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>
36 #include <ardour/lv2_plugin.h>
40 #include <ardour/vst_plugin.h>
43 #ifdef HAVE_AUDIOUNITS
44 #include <ardour/audio_unit.h>
47 #include <ardour/audioengine.h>
48 #include <ardour/session.h>
49 #include <ardour/types.h>
54 using namespace ARDOUR;
57 const string PluginInsert::port_automation_node_name = "PortAutomation";
59 PluginInsert::PluginInsert (Session& s, boost::shared_ptr<Plugin> plug, Placement placement)
60 : Processor (s, plug->name(), placement),
61 _signal_analysis_collected_nframes(0),
62 _signal_analysis_collect_nframes_max(0)
64 /* the first is the master */
66 _plugins.push_back (plug);
71 Glib::Mutex::Lock em (_session.engine().process_lock());
72 IO::PortCountChanged (max(input_streams(), output_streams()));
75 ProcessorCreated (this); /* EMIT SIGNAL */
78 PluginInsert::PluginInsert (Session& s, const XMLNode& node)
79 : Processor (s, "unnamed plugin insert", PreFader),
80 _signal_analysis_collected_nframes(0),
81 _signal_analysis_collect_nframes_max(0)
83 if (set_state (node)) {
84 throw failed_constructor();
87 // XXX: This would dump all automation, which has already been loaded by
88 // Processor. But this could also have been related to the Parameter change..
89 // will look into this later.
93 Glib::Mutex::Lock em (_session.engine().process_lock());
94 IO::PortCountChanged (max(input_streams(), output_streams()));
98 PluginInsert::PluginInsert (const PluginInsert& other)
99 : Processor (other._session, other._name, other.placement()),
100 _signal_analysis_collected_nframes(0),
101 _signal_analysis_collect_nframes_max(0)
103 uint32_t count = other._plugins.size();
105 /* make as many copies as requested */
106 for (uint32_t n = 0; n < count; ++n) {
107 _plugins.push_back (plugin_factory (other.plugin (n)));
112 ProcessorCreated (this); /* EMIT SIGNAL */
116 PluginInsert::set_count (uint32_t num)
118 bool require_state = !_plugins.empty();
120 /* this is a bad idea.... we shouldn't do this while active.
121 only a route holding their redirect_lock should be calling this
126 } else if (num > _plugins.size()) {
127 uint32_t diff = num - _plugins.size();
129 for (uint32_t n = 0; n < diff; ++n) {
130 _plugins.push_back (plugin_factory (_plugins[0]));
133 /* XXX do something */
137 } else if (num < _plugins.size()) {
138 uint32_t diff = _plugins.size() - num;
139 for (uint32_t n= 0; n < diff; ++n) {
148 PluginInsert::init ()
153 PluginInsert::~PluginInsert ()
155 GoingAway (); /* EMIT SIGNAL */
159 PluginInsert::auto_state_changed (Evoral::Parameter which)
161 if (which.type() != PluginAutomation)
164 boost::shared_ptr<AutomationControl> c
165 = boost::dynamic_pointer_cast<AutomationControl>(data().control (which));
167 if (c && ((AutomationList*)c->list().get())->automation_state() != Off) {
168 _plugins[0]->set_parameter (which.id(), c->list()->eval (_session.transport_frame()));
173 PluginInsert::output_streams() const
175 ChanCount out = _plugins.front()->get_info()->n_outputs;
177 if (out == ChanCount::INFINITE) {
179 return _plugins.front()->output_streams ();
183 out.set_audio (out.n_audio() * _plugins.size());
184 out.set_midi (out.n_midi() * _plugins.size());
191 PluginInsert::input_streams() const
193 ChanCount in = _plugins[0]->get_info()->n_inputs;
195 if (in == ChanCount::INFINITE) {
196 return _plugins[0]->input_streams ();
198 in.set_audio (in.n_audio() * _plugins.size());
199 in.set_midi (in.n_midi() * _plugins.size());
206 PluginInsert::natural_output_streams() const
208 return _plugins[0]->get_info()->n_outputs;
212 PluginInsert::natural_input_streams() const
214 return _plugins[0]->get_info()->n_inputs;
218 PluginInsert::is_generator() const
220 /* XXX more finesse is possible here. VST plugins have a
221 a specific "instrument" flag, for example.
224 return _plugins[0]->get_info()->n_inputs.n_audio() == 0;
228 PluginInsert::set_automatable ()
230 set<Evoral::Parameter> a = _plugins.front()->automatable ();
232 Plugin::ParameterDescriptor desc;
234 for (set<Evoral::Parameter>::iterator i = a.begin(); i != a.end(); ++i) {
235 if (i->type() == PluginAutomation) {
237 _plugins.front()->get_parameter_descriptor(i->id(), desc);
238 Evoral::Parameter param(*i);
239 param.set_range(desc.lower, desc.upper, _plugins.front()->default_value(i->id()));
240 boost::shared_ptr<AutomationList> list(new AutomationList(param));
241 add_control(boost::shared_ptr<AutomationControl>(new PluginControl(this, *i, list)));
247 PluginInsert::parameter_changed (Evoral::Parameter which, float val)
249 if (which.type() != PluginAutomation)
252 vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin();
254 /* don't set the first plugin, just all the slaves */
256 if (i != _plugins.end()) {
258 for (; i != _plugins.end(); ++i) {
259 (*i)->set_parameter (which, val);
265 PluginInsert::set_block_size (nframes_t nframes)
267 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
268 (*i)->set_block_size (nframes);
273 PluginInsert::activate ()
275 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
281 PluginInsert::deactivate ()
283 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
289 PluginInsert::connect_and_run (BufferSet& bufs, nframes_t nframes, nframes_t offset, bool with_auto, nframes_t now)
291 // Calculate if, and how many frames we need to collect for analysis
292 nframes_t collect_signal_nframes = (_signal_analysis_collect_nframes_max -
293 _signal_analysis_collected_nframes);
294 if (nframes < collect_signal_nframes) { // we might not get all frames now
295 collect_signal_nframes = nframes;
298 uint32_t in_index = 0;
299 uint32_t out_index = 0;
301 /* Note that we've already required that plugins
302 be able to handle in-place processing.
309 for (Controls::iterator li = data().controls().begin(); li != data().controls().end(); ++li, ++n) {
311 boost::shared_ptr<AutomationControl> c
312 = boost::dynamic_pointer_cast<AutomationControl>(li->second);
314 if (c->parameter().type() == PluginAutomation && c->automation_playback()) {
317 const float val = c->list()->rt_safe_eval (now, valid);
327 if (collect_signal_nframes > 0) {
329 //std::cerr << "collect input, bufs " << bufs.count().n_audio() << " count, " << bufs.available().n_audio() << " available" << std::endl;
330 //std::cerr << " streams " << input_streams().n_audio() << std::endl;
331 //std::cerr << "filling buffer with " << collect_signal_nframes << " frames at " << _signal_analysis_collected_nframes << std::endl;
332 for (uint32_t i = 0; i < input_streams().n_audio(); ++i) {
333 _signal_analysis_input_bufferset.get_audio(i).read_from(
335 collect_signal_nframes,
336 _signal_analysis_collected_nframes); // offset is for target buffer
340 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
341 (*i)->connect_and_run (bufs, in_index, out_index, nframes, offset);
344 if (collect_signal_nframes > 0) {
346 //std::cerr << " output, bufs " << bufs.count().n_audio() << " count, " << bufs.available().n_audio() << " available" << std::endl;
347 //std::cerr << " streams " << output_streams().n_audio() << std::endl;
348 for (uint32_t i = 0; i < output_streams().n_audio(); ++i) {
349 _signal_analysis_output_bufferset.get_audio(i).read_from(
351 collect_signal_nframes,
352 _signal_analysis_collected_nframes); // offset is for target buffer
355 _signal_analysis_collected_nframes += collect_signal_nframes;
356 assert(_signal_analysis_collected_nframes <= _signal_analysis_collect_nframes_max);
358 if (_signal_analysis_collected_nframes == _signal_analysis_collect_nframes_max) {
359 _signal_analysis_collect_nframes_max = 0;
360 _signal_analysis_collected_nframes = 0;
362 AnalysisDataGathered(&_signal_analysis_input_bufferset,
363 &_signal_analysis_output_bufferset);
366 /* leave remaining channel buffers alone */
370 PluginInsert::silence (nframes_t nframes, nframes_t offset)
372 uint32_t in_index = 0;
373 uint32_t out_index = 0;
376 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
377 (*i)->connect_and_run (_session.get_silent_buffers ((*i)->get_info()->n_inputs), in_index, out_index, nframes, offset);
383 PluginInsert::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset)
387 if (_session.transport_rolling()) {
388 automation_run (bufs, nframes, offset);
390 connect_and_run (bufs, nframes, offset, false);
394 /* FIXME: type, audio only */
396 uint32_t in = _plugins[0]->get_info()->n_inputs.n_audio();
397 uint32_t out = _plugins[0]->get_info()->n_outputs.n_audio();
401 /* not active, but something has make up for any channel count increase */
403 for (uint32_t n = out - in; n < out; ++n) {
404 memcpy (bufs.get_audio(n).data(nframes, offset), bufs.get_audio(in - 1).data(nframes, offset), sizeof (Sample) * nframes);
408 bufs.count().set_audio(out);
413 PluginInsert::set_parameter (Evoral::Parameter param, float val)
415 if (param.type() != PluginAutomation)
418 /* the others will be set from the event triggered by this */
420 _plugins[0]->set_parameter (param.id(), val);
422 boost::shared_ptr<AutomationControl> ac
423 = boost::dynamic_pointer_cast<AutomationControl>(data().control(param));
428 warning << "set_parameter called for nonexistant parameter "
429 << EventTypeMap::instance().to_symbol(param) << endmsg;
432 _session.set_dirty();
436 PluginInsert::get_parameter (Evoral::Parameter param)
438 if (param.type() != PluginAutomation)
442 _plugins[0]->get_parameter (param.id());
446 PluginInsert::automation_run (BufferSet& bufs, nframes_t nframes, nframes_t offset)
448 Evoral::ControlEvent next_event (0, 0.0f);
449 nframes_t now = _session.transport_frame ();
450 nframes_t end = now + nframes;
452 Glib::Mutex::Lock lm (data().control_lock(), Glib::TRY_LOCK);
455 connect_and_run (bufs, nframes, offset, false);
459 if (!data().find_next_event (now, end, next_event)) {
461 /* no events have a time within the relevant range */
463 connect_and_run (bufs, nframes, offset, true, now);
469 nframes_t cnt = min (((nframes_t) ceil (next_event.when) - now), nframes);
471 connect_and_run (bufs, cnt, offset, true, now);
477 if (!data().find_next_event (now, end, next_event)) {
482 /* cleanup anything that is left to do */
485 connect_and_run (bufs, nframes, offset, true, now);
490 PluginInsert::default_parameter_value (const Evoral::Parameter& param)
492 if (param.type() != PluginAutomation)
495 if (_plugins.empty()) {
496 fatal << _("programming error: ") << X_("PluginInsert::default_parameter_value() called with no plugin")
501 return _plugins[0]->default_value (param.id());
504 boost::shared_ptr<Plugin>
505 PluginInsert::plugin_factory (boost::shared_ptr<Plugin> other)
507 boost::shared_ptr<LadspaPlugin> lp;
509 boost::shared_ptr<LV2Plugin> lv2p;
512 boost::shared_ptr<VSTPlugin> vp;
514 #ifdef HAVE_AUDIOUNITS
515 boost::shared_ptr<AUPlugin> ap;
518 if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
519 return boost::shared_ptr<Plugin> (new LadspaPlugin (*lp));
521 } else if ((lv2p = boost::dynamic_pointer_cast<LV2Plugin> (other)) != 0) {
522 return boost::shared_ptr<Plugin> (new LV2Plugin (*lv2p));
525 } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) {
526 return boost::shared_ptr<Plugin> (new VSTPlugin (*vp));
528 #ifdef HAVE_AUDIOUNITS
529 } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
530 return boost::shared_ptr<Plugin> (new AUPlugin (*ap));
534 fatal << string_compose (_("programming error: %1"),
535 X_("unknown plugin type in PluginInsert::plugin_factory"))
538 return boost::shared_ptr<Plugin> ((Plugin*) 0);
542 PluginInsert::configure_io (ChanCount in, ChanCount out)
544 if (set_count (count_for_configuration (in, out)) < 0) {
548 /* if we're running replicated plugins, each plugin has
549 the same i/o configuration and we may need to announce how many
550 output streams there are.
552 if we running a single plugin, we need to configure it.
555 if (_plugins.front()->configure_io (in, out) < 0) {
559 // we don't know the analysis window size, so we must work with the
560 // current buffer size here. each request for data fills in these
561 // buffers and the analyser makes sure it gets enough data for the
563 _signal_analysis_input_bufferset.ensure_buffers (in, session().engine().frames_per_cycle());
564 _signal_analysis_input_bufferset.set_count(in);
566 _signal_analysis_output_bufferset.ensure_buffers(out, session().engine().frames_per_cycle());
567 _signal_analysis_output_bufferset.set_count(out);
570 return Processor::configure_io (in, out);
574 PluginInsert::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
576 if (_plugins.front()->reconfigurable_io()) {
577 /* plugin has flexible I/O, so delegate to it */
578 return _plugins.front()->can_support_io_configuration (in, out);
581 ChanCount outputs = _plugins[0]->get_info()->n_outputs;
582 ChanCount inputs = _plugins[0]->get_info()->n_inputs;
584 if ((inputs.n_total() == 0)
585 || (inputs.n_total() == 1 && outputs == inputs)
586 || (inputs.n_total() == 1 && outputs == inputs
587 && ((inputs.n_audio() == 0 && in.n_audio() == 0)
588 || (inputs.n_midi() == 0 && in.n_midi() == 0)))
594 bool can_replicate = true;
596 /* if number of inputs is a factor of the requested input
597 configuration for every type, we can replicate.
599 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
600 if (inputs.get(*t) >= in.get(*t) || (inputs.get(*t) % in.get(*t) != 0)) {
601 can_replicate = false;
606 if (!can_replicate || (in.n_total() % inputs.n_total() != 0)) {
610 if (inputs.n_total() == 0) {
611 /* instrument plugin, always legal, but throws away any existing streams */
613 } else if (inputs.n_total() == 1 && outputs == inputs
614 && ((inputs.n_audio() == 0 && in.n_audio() == 0)
615 || (inputs.n_midi() == 0 && in.n_midi() == 0))) {
616 /* mono, single-typed plugin, replicate as needed to match in */
618 } else if (inputs == in) {
622 /* replicate - note that we've already verified that
623 the replication count is constant across all data types.
625 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
626 out.set (*t, outputs.get(*t) * (in.get(*t) / inputs.get(*t)));
633 /* Number of plugin instances required to support a given channel configuration.
637 PluginInsert::count_for_configuration (ChanCount in, ChanCount out) const
639 if (_plugins.front()->reconfigurable_io()) {
640 /* plugin has flexible I/O, so the answer is always 1 */
641 /* this could change if we ever decide to replicate AU's */
645 // FIXME: take 'out' into consideration
647 ChanCount outputs = _plugins[0]->get_info()->n_outputs;
648 ChanCount inputs = _plugins[0]->get_info()->n_inputs;
650 if (inputs.n_total() == 0) {
651 /* instrument plugin, always legal, but throws away any existing streams */
655 if (inputs.n_total() == 1 && outputs == inputs
656 && ((inputs.n_audio() == 0 && in.n_audio() == 0)
657 || (inputs.n_midi() == 0 && in.n_midi() == 0))) {
658 /* mono plugin, replicate as needed to match in */
667 // assumes in is valid, so we must be replicating
668 if (inputs.n_total() < in.n_total()
669 && (in.n_total() % inputs.n_total() == 0)) {
671 return in.n_total() / inputs.n_total();
679 PluginInsert::get_state(void)
685 PluginInsert::state (bool full)
687 XMLNode& node = Processor::state (full);
689 node.add_property ("type", _plugins[0]->state_node_name());
690 node.add_property("unique-id", _plugins[0]->unique_id());
691 node.add_property("count", string_compose("%1", _plugins.size()));
692 node.add_child_nocopy (_plugins[0]->get_state());
694 /* add port automation state */
695 //XMLNode *autonode = new XMLNode(port_automation_node_name);
696 set<Evoral::Parameter> automatable = _plugins[0]->automatable();
698 for (set<Evoral::Parameter>::iterator x = automatable.begin(); x != automatable.end(); ++x) {
700 /*XMLNode* child = new XMLNode("port");
701 snprintf(buf, sizeof(buf), "%" PRIu32, *x);
702 child->add_property("number", string(buf));
704 child->add_child_nocopy (automation_list (*x).state (full));
705 autonode->add_child_nocopy (*child);
707 //autonode->add_child_nocopy (((AutomationList*)data().control(*x)->list().get())->state (full));
710 //node.add_child_nocopy (*autonode);
716 PluginInsert::set_state(const XMLNode& node)
718 XMLNodeList nlist = node.children();
719 XMLNodeIterator niter;
720 XMLPropertyList plist;
721 const XMLProperty *prop;
722 ARDOUR::PluginType type;
724 if ((prop = node.property ("type")) == 0) {
725 error << _("XML node describing insert is missing the `type' field") << endmsg;
729 if (prop->value() == X_("ladspa") || prop->value() == X_("Ladspa")) { /* handle old school sessions */
730 type = ARDOUR::LADSPA;
731 } else if (prop->value() == X_("lv2")) {
733 } else if (prop->value() == X_("vst")) {
736 error << string_compose (_("unknown plugin type %1 in plugin insert state"),
742 prop = node.property ("unique-id");
744 error << _("Plugin has no unique ID field") << endmsg;
748 boost::shared_ptr<Plugin> plugin;
750 plugin = find_plugin (_session, prop->value(), type);
753 error << string_compose(_("Found a reference to a plugin (\"%1\") that is unknown.\n"
754 "Perhaps it was removed or moved since it was last used."), prop->value())
761 if ((prop = node.property ("count")) != 0) {
762 sscanf (prop->value().c_str(), "%u", &count);
765 if (_plugins.size() != count) {
767 _plugins.push_back (plugin);
769 for (uint32_t n=1; n < count; ++n) {
770 _plugins.push_back (plugin_factory (plugin));
774 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
775 if ((*niter)->name() == plugin->state_node_name()) {
776 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
777 (*i)->set_state (**niter);
783 const XMLNode* insert_node = &node;
785 // legacy sessions: search for child IOProcessor node
786 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
787 if ((*niter)->name() == "IOProcessor") {
788 insert_node = *niter;
793 Processor::set_state (*insert_node);
795 /* look for port automation node */
797 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
799 if ((*niter)->name() != port_automation_node_name) {
805 XMLNodeConstIterator iter;
810 cnodes = (*niter)->children ("port");
812 for(iter = cnodes.begin(); iter != cnodes.end(); ++iter){
816 if ((cprop = child->property("number")) != 0) {
817 port = cprop->value().c_str();
819 warning << _("PluginInsert: Auto: no plugin port number") << endmsg;
823 sscanf (port, "%" PRIu32, &port_id);
825 if (port_id >= _plugins[0]->parameter_count()) {
826 warning << _("PluginInsert: Auto: port id out of range") << endmsg;
830 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(
831 data().control(Evoral::Parameter(PluginAutomation, 0, port_id), true));
833 if (!child->children().empty()) {
834 c->alist()->set_state (*child->children().front());
836 if ((cprop = child->property("auto")) != 0) {
841 sscanf (cprop->value().c_str(), "0x%x", &x);
842 c->alist()->set_automation_state (AutoState (x));
848 c->alist()->set_automation_state (Off);
859 if (niter == nlist.end()) {
860 warning << string_compose(_("XML node describing a port automation is missing the `%1' information"), port_automation_node_name) << endmsg;
863 // The name of the PluginInsert comes from the plugin, nothing else
864 _name = plugin->get_info()->name;
870 PluginInsert::describe_parameter (Evoral::Parameter param)
872 if (param.type() != PluginAutomation)
873 return Automatable::describe_parameter(param);
875 return _plugins[0]->describe_parameter (param);
879 PluginInsert::signal_latency() const
882 return _user_latency;
885 return _plugins[0]->signal_latency ();
889 PluginInsert::type ()
891 boost::shared_ptr<LadspaPlugin> lp;
893 boost::shared_ptr<VSTPlugin> vp;
895 #ifdef HAVE_AUDIOUNITS
896 boost::shared_ptr<AUPlugin> ap;
899 PluginPtr other = plugin ();
901 if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
902 return ARDOUR::LADSPA;
904 } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) {
907 #ifdef HAVE_AUDIOUNITS
908 } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
909 return ARDOUR::AudioUnit;
913 return (ARDOUR::PluginType) 0;
917 PluginInsert::PluginControl::PluginControl (PluginInsert* p, const Evoral::Parameter ¶m, boost::shared_ptr<AutomationList> list)
918 : AutomationControl (p->session(), param, list, p->describe_parameter(param))
921 Plugin::ParameterDescriptor desc;
922 p->plugin(0)->get_parameter_descriptor (param.id(), desc);
923 _logarithmic = desc.logarithmic;
924 _toggled = desc.toggled;
928 PluginInsert::PluginControl::set_value (float val)
930 /* FIXME: probably should be taking out some lock here.. */
940 /*const float range = _list->get_max_y() - _list->get_min_y();
941 const float lower = _list->get_min_y();
944 val = lower + (range * val);
946 float log_lower = 0.0f;
948 log_lower = log(lower);
951 val = exp(log_lower + log(range) * val);
956 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugin->_plugins.begin();
957 i != _plugin->_plugins.end(); ++i) {
958 (*i)->set_parameter (_list->parameter().id(), val);
961 boost::shared_ptr<Plugin> iasp = _plugin->_impulseAnalysisPlugin.lock();
963 iasp->set_parameter (_list->parameter().id(), val);
966 AutomationControl::set_value(val);
970 PluginInsert::PluginControl::get_value (void) const
972 /* FIXME: probably should be taking out some lock here.. */
974 float val = _plugin->get_parameter (_list->parameter());
988 return ((val - lower) / range);
992 boost::shared_ptr<Plugin>
993 PluginInsert::get_impulse_analysis_plugin()
995 boost::shared_ptr<Plugin> ret;
996 if (_impulseAnalysisPlugin.expired()) {
997 ret = plugin_factory(_plugins[0]);
998 _impulseAnalysisPlugin = ret;
1000 ret = _impulseAnalysisPlugin.lock();