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 ? plug->name() : string ("toBeRenamed")))
66 , _signal_analysis_collected_nframes(0)
67 , _signal_analysis_collect_nframes_max(0)
69 /* the first is the master */
72 _plugins.push_back (plug);
75 Glib::Mutex::Lock em (_session.engine().process_lock());
76 IO::PortCountChanged (max(input_streams(), output_streams()));
81 PluginInsert::set_count (uint32_t num)
83 bool require_state = !_plugins.empty();
85 /* this is a bad idea.... we shouldn't do this while active.
86 only a route holding their redirect_lock should be calling this
91 } else if (num > _plugins.size()) {
92 uint32_t diff = num - _plugins.size();
94 for (uint32_t n = 0; n < diff; ++n) {
95 _plugins.push_back (plugin_factory (_plugins[0]));
98 /* XXX do something */
102 } else if (num < _plugins.size()) {
103 uint32_t diff = _plugins.size() - num;
104 for (uint32_t n= 0; n < diff; ++n) {
112 PluginInsert::~PluginInsert ()
117 PluginInsert::auto_state_changed (Evoral::Parameter which)
119 if (which.type() != PluginAutomation)
122 boost::shared_ptr<AutomationControl> c
123 = boost::dynamic_pointer_cast<AutomationControl>(control (which));
125 if (c && ((AutomationList*)c->list().get())->automation_state() != Off) {
126 _plugins[0]->set_parameter (which.id(), c->list()->eval (_session.transport_frame()));
131 PluginInsert::output_streams() const
133 ChanCount out = _plugins.front()->get_info()->n_outputs;
135 if (out == ChanCount::INFINITE) {
136 return _plugins.front()->output_streams ();
138 out.set_audio (out.n_audio() * _plugins.size());
139 out.set_midi (out.n_midi() * _plugins.size());
145 PluginInsert::input_streams() const
147 ChanCount in = _plugins[0]->get_info()->n_inputs;
149 if (in == ChanCount::INFINITE) {
150 return _plugins[0]->input_streams ();
152 in.set_audio (in.n_audio() * _plugins.size());
153 in.set_midi (in.n_midi() * _plugins.size());
159 PluginInsert::natural_output_streams() const
161 return _plugins[0]->get_info()->n_outputs;
165 PluginInsert::natural_input_streams() const
167 return _plugins[0]->get_info()->n_inputs;
171 PluginInsert::is_generator() const
173 /* XXX more finesse is possible here. VST plugins have a
174 a specific "instrument" flag, for example.
177 return _plugins[0]->get_info()->n_inputs.n_audio() == 0;
181 PluginInsert::set_automatable ()
183 set<Evoral::Parameter> a = _plugins.front()->automatable ();
185 Plugin::ParameterDescriptor desc;
187 for (set<Evoral::Parameter>::iterator i = a.begin(); i != a.end(); ++i) {
188 if (i->type() == PluginAutomation) {
190 Evoral::Parameter param(*i);
192 _plugins.front()->get_parameter_descriptor(i->id(), desc);
194 /* the Parameter belonging to the actual plugin doesn't have its range set
195 but we want the Controllable related to this Parameter to have those limits.
198 param.set_range (desc.lower, desc.upper, _plugins.front()->default_value(i->id()));
199 can_automate (param);
200 boost::shared_ptr<AutomationList> list(new AutomationList(param));
201 add_control (boost::shared_ptr<AutomationControl>(new PluginControl(this, param, list)));
207 PluginInsert::parameter_changed (Evoral::Parameter which, float val)
209 if (which.type() != PluginAutomation)
212 Plugins::iterator i = _plugins.begin();
214 /* don't set the first plugin, just all the slaves */
216 if (i != _plugins.end()) {
218 for (; i != _plugins.end(); ++i) {
219 (*i)->set_parameter (which, val);
225 PluginInsert::set_block_size (nframes_t nframes)
227 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
228 (*i)->set_block_size (nframes);
233 PluginInsert::activate ()
235 Processor::activate ();
237 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
243 PluginInsert::deactivate ()
245 Processor::deactivate ();
247 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
253 PluginInsert::connect_and_run (BufferSet& bufs, nframes_t nframes, nframes_t offset, bool with_auto, nframes_t now)
255 // Calculate if, and how many frames we need to collect for analysis
256 nframes_t collect_signal_nframes = (_signal_analysis_collect_nframes_max -
257 _signal_analysis_collected_nframes);
258 if (nframes < collect_signal_nframes) { // we might not get all frames now
259 collect_signal_nframes = nframes;
262 ChanMapping in_map(input_streams());
263 ChanMapping out_map(output_streams());
265 /* Note that we've already required that plugins
266 be able to handle in-place processing.
273 for (Controls::iterator li = controls().begin(); li != controls().end(); ++li, ++n) {
275 boost::shared_ptr<AutomationControl> c
276 = boost::dynamic_pointer_cast<AutomationControl>(li->second);
278 if (c->parameter().type() == PluginAutomation && c->automation_playback()) {
281 const float val = c->list()->rt_safe_eval (now, valid);
291 if (collect_signal_nframes > 0) {
293 //std::cerr << "collect input, bufs " << bufs.count().n_audio() << " count, " << bufs.available().n_audio() << " available" << std::endl;
294 //std::cerr << " streams " << input_streams().n_audio() << std::endl;
295 //std::cerr << "filling buffer with " << collect_signal_nframes << " frames at " << _signal_analysis_collected_nframes << std::endl;
297 _signal_analysis_inputs.set_count(input_streams());
299 for (uint32_t i = 0; i < input_streams().n_audio(); ++i) {
300 _signal_analysis_inputs.get_audio(i).read_from(
302 collect_signal_nframes,
303 _signal_analysis_collected_nframes); // offset is for target buffer
308 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
309 (*i)->connect_and_run(bufs, in_map, out_map, nframes, offset);
310 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
311 in_map.offset_to(*t, natural_input_streams().get(*t));
312 out_map.offset_to(*t, natural_output_streams().get(*t));
316 if (collect_signal_nframes > 0) {
318 //std::cerr << " output, bufs " << bufs.count().n_audio() << " count, " << bufs.available().n_audio() << " available" << std::endl;
319 //std::cerr << " streams " << output_streams().n_audio() << std::endl;
321 _signal_analysis_outputs.set_count(output_streams());
323 for (uint32_t i = 0; i < output_streams().n_audio(); ++i) {
324 _signal_analysis_outputs.get_audio(i).read_from(
326 collect_signal_nframes,
327 _signal_analysis_collected_nframes); // offset is for target buffer
330 _signal_analysis_collected_nframes += collect_signal_nframes;
331 assert(_signal_analysis_collected_nframes <= _signal_analysis_collect_nframes_max);
333 if (_signal_analysis_collected_nframes == _signal_analysis_collect_nframes_max) {
334 _signal_analysis_collect_nframes_max = 0;
335 _signal_analysis_collected_nframes = 0;
337 AnalysisDataGathered(&_signal_analysis_inputs,
338 &_signal_analysis_outputs);
341 /* leave remaining channel buffers alone */
345 PluginInsert::silence (nframes_t nframes)
347 ChanMapping in_map(input_streams());
348 ChanMapping out_map(output_streams());
351 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
352 (*i)->connect_and_run (_session.get_silent_buffers ((*i)->get_info()->n_inputs), in_map, out_map, nframes, 0);
358 PluginInsert::run (BufferSet& bufs, sframes_t /*start_frame*/, sframes_t /*end_frame*/, nframes_t nframes, bool)
360 if (_active || _pending_active) {
362 if (_session.transport_rolling()) {
363 automation_run (bufs, nframes);
365 connect_and_run (bufs, nframes, 0, false);
370 /* FIXME: type, audio only */
372 uint32_t in = _plugins[0]->get_info()->n_inputs.n_audio();
373 uint32_t out = _plugins[0]->get_info()->n_outputs.n_audio();
377 /* not active, but something has make up for any channel count increase */
379 for (uint32_t n = out - in; n < out; ++n) {
380 memcpy (bufs.get_audio(n).data(), bufs.get_audio(in - 1).data(), sizeof (Sample) * nframes);
384 bufs.count().set_audio(out);
387 _active = _pending_active;
391 PluginInsert::set_parameter (Evoral::Parameter param, float val)
393 if (param.type() != PluginAutomation)
396 /* the others will be set from the event triggered by this */
398 _plugins[0]->set_parameter (param.id(), val);
400 boost::shared_ptr<AutomationControl> ac
401 = boost::dynamic_pointer_cast<AutomationControl>(control(param));
406 warning << "set_parameter called for nonexistant parameter "
407 << EventTypeMap::instance().to_symbol(param) << endmsg;
410 _session.set_dirty();
414 PluginInsert::get_parameter (Evoral::Parameter param)
416 if (param.type() != PluginAutomation) {
419 assert (!_plugins.empty ());
420 return _plugins[0]->get_parameter (param.id());
425 PluginInsert::automation_run (BufferSet& bufs, nframes_t nframes)
427 Evoral::ControlEvent next_event (0, 0.0f);
428 nframes_t now = _session.transport_frame ();
429 nframes_t end = now + nframes;
430 nframes_t offset = 0;
432 Glib::Mutex::Lock lm (control_lock(), Glib::TRY_LOCK);
435 connect_and_run (bufs, nframes, offset, false);
439 if (!find_next_event (now, end, next_event)) {
441 /* no events have a time within the relevant range */
443 connect_and_run (bufs, nframes, offset, true, now);
449 nframes_t cnt = min (((nframes_t) ceil (next_event.when) - now), nframes);
451 connect_and_run (bufs, cnt, offset, true, now);
457 if (!find_next_event (now, end, next_event)) {
462 /* cleanup anything that is left to do */
465 connect_and_run (bufs, nframes, offset, true, now);
470 PluginInsert::default_parameter_value (const Evoral::Parameter& param)
472 if (param.type() != PluginAutomation)
475 if (_plugins.empty()) {
476 fatal << _("programming error: ") << X_("PluginInsert::default_parameter_value() called with no plugin")
481 return _plugins[0]->default_value (param.id());
484 boost::shared_ptr<Plugin>
485 PluginInsert::plugin_factory (boost::shared_ptr<Plugin> other)
487 boost::shared_ptr<LadspaPlugin> lp;
489 boost::shared_ptr<LV2Plugin> lv2p;
492 boost::shared_ptr<VSTPlugin> vp;
494 #ifdef HAVE_AUDIOUNITS
495 boost::shared_ptr<AUPlugin> ap;
498 if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
499 return boost::shared_ptr<Plugin> (new LadspaPlugin (*lp));
501 } else if ((lv2p = boost::dynamic_pointer_cast<LV2Plugin> (other)) != 0) {
502 return boost::shared_ptr<Plugin> (new LV2Plugin (*lv2p));
505 } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) {
506 return boost::shared_ptr<Plugin> (new VSTPlugin (*vp));
508 #ifdef HAVE_AUDIOUNITS
509 } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
510 return boost::shared_ptr<Plugin> (new AUPlugin (*ap));
514 fatal << string_compose (_("programming error: %1"),
515 X_("unknown plugin type in PluginInsert::plugin_factory"))
518 return boost::shared_ptr<Plugin> ((Plugin*) 0);
522 PluginInsert::configure_io (ChanCount in, ChanCount out)
524 if (set_count (count_for_configuration (in, out)) < 0) {
528 /* if we're running replicated plugins, each plugin has
529 the same i/o configuration and we may need to announce how many
530 output streams there are.
532 if we running a single plugin, we need to configure it.
535 if (_plugins.front()->configure_io (in, out) < 0) {
539 // we don't know the analysis window size, so we must work with the
540 // current buffer size here. each request for data fills in these
541 // buffers and the analyser makes sure it gets enough data for the
543 session().ensure_buffer_set (_signal_analysis_inputs, in);
544 //_signal_analysis_inputs.set_count (in);
546 session().ensure_buffer_set (_signal_analysis_outputs, out);
547 //_signal_analysis_outputs.set_count (out);
549 // std::cerr << "set counts to i" << in.n_audio() << "/o" << out.n_audio() << std::endl;
551 return Processor::configure_io (in, out);
555 PluginInsert::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
557 // Plugin has flexible I/O, so delegate to it
558 if (_plugins.front()->reconfigurable_io()) {
559 return _plugins.front()->can_support_io_configuration (in, out);
562 ChanCount inputs = _plugins[0]->get_info()->n_inputs;
563 ChanCount outputs = _plugins[0]->get_info()->n_outputs;
565 // Plugin inputs match requested inputs exactly
571 // See if replication is possible
572 // We can replicate if there exists a single factor f such that, for every type,
573 // the number of plugin inputs * f = the requested number of inputs
575 bool can_replicate = true;
576 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
577 // No inputs of this type
578 if (inputs.get(*t) == 0 && in.get(*t) == 0) {
581 // Plugin has more inputs than requested, can not replicate
582 } else if (inputs.get(*t) >= in.get(*t)) {
583 can_replicate = false;
586 // Plugin inputs is not a factor of requested inputs, can not replicate
587 } else if (inputs.get(*t) == 0 || in.get(*t) % inputs.get(*t) != 0) {
588 can_replicate = false;
591 // Potential factor not set yet
593 f = in.get(*t) / inputs.get(*t);;
596 // Factor for this type does not match another type, can not replicate
597 if (f != (in.get(*t) / inputs.get(*t))) {
598 can_replicate = false;
604 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
605 out.set (*t, outputs.get(*t) * f);
613 /* Number of plugin instances required to support a given channel configuration.
617 PluginInsert::count_for_configuration (ChanCount in, ChanCount /*out*/) const
619 if (_plugins.front()->reconfigurable_io()) {
620 /* plugin has flexible I/O, so the answer is always 1 */
621 /* this could change if we ever decide to replicate AU's */
625 // FIXME: take 'out' into consideration
627 ChanCount outputs = _plugins[0]->get_info()->n_outputs;
628 ChanCount inputs = _plugins[0]->get_info()->n_inputs;
630 if (inputs.n_total() == 0) {
631 /* instrument plugin, always legal, but throws away any existing streams */
635 if (inputs.n_total() == 1 && outputs == inputs
636 && ((inputs.n_audio() == 0 && in.n_audio() == 0)
637 || (inputs.n_midi() == 0 && in.n_midi() == 0))) {
638 /* mono plugin, replicate as needed to match in */
647 // assumes in is valid, so we must be replicating
648 if (inputs.n_total() < in.n_total()
649 && (in.n_total() % inputs.n_total() == 0)) {
651 return in.n_total() / inputs.n_total();
659 PluginInsert::get_state(void)
665 PluginInsert::state (bool full)
667 XMLNode& node = Processor::state (full);
669 node.add_property("type", _plugins[0]->state_node_name());
670 node.add_property("unique-id", _plugins[0]->unique_id());
671 node.add_property("count", string_compose("%1", _plugins.size()));
672 node.add_child_nocopy (_plugins[0]->get_state());
674 /* add port automation state */
675 XMLNode *autonode = new XMLNode(port_automation_node_name);
676 set<Evoral::Parameter> automatable = _plugins[0]->automatable();
678 for (set<Evoral::Parameter>::iterator x = automatable.begin(); x != automatable.end(); ++x) {
680 /*XMLNode* child = new XMLNode("port");
681 snprintf(buf, sizeof(buf), "%" PRIu32, *x);
682 child->add_property("number", string(buf));
684 child->add_child_nocopy (automation_list (*x).state (full));
685 autonode->add_child_nocopy (*child);
687 AutomationList* list = dynamic_cast<AutomationList*>(control(*x)->list().get());
688 autonode->add_child_nocopy (list->state (full));
691 node.add_child_nocopy (*autonode);
697 PluginInsert::set_state(const XMLNode& node, int version)
699 XMLNodeList nlist = node.children();
700 XMLNodeIterator niter;
701 XMLPropertyList plist;
702 const XMLProperty *prop;
703 ARDOUR::PluginType type;
705 if ((prop = node.property ("type")) == 0) {
706 error << _("XML node describing plugin is missing the `type' field") << endmsg;
710 if (prop->value() == X_("ladspa") || prop->value() == X_("Ladspa")) { /* handle old school sessions */
711 type = ARDOUR::LADSPA;
712 } else if (prop->value() == X_("lv2")) {
714 } else if (prop->value() == X_("vst")) {
716 } else if (prop->value() == X_("audiounit")) {
717 type = ARDOUR::AudioUnit;
719 error << string_compose (_("unknown plugin type %1 in plugin insert state"),
725 prop = node.property ("unique-id");
729 /* older sessions contain VST plugins with only an "id" field.
732 if (type == ARDOUR::VST) {
733 prop = node.property ("id");
739 error << _("Plugin has no unique ID field") << endmsg;
744 boost::shared_ptr<Plugin> plugin;
746 plugin = find_plugin (_session, prop->value(), type);
749 error << string_compose(_("Found a reference to a plugin (\"%1\") that is unknown.\n"
750 "Perhaps it was removed or moved since it was last used."), prop->value())
756 bool need_automatables = true;
758 if (_plugins.empty()) {
759 /* if we are adding the first plugin, we will need to set
760 up automatable controls.
762 need_automatables = true;
765 if ((prop = node.property ("count")) != 0) {
766 sscanf (prop->value().c_str(), "%u", &count);
769 if (_plugins.size() != count) {
771 _plugins.push_back (plugin);
773 for (uint32_t n = 1; n < count; ++n) {
774 _plugins.push_back (plugin_factory (plugin));
778 if (need_automatables) {
782 /* Handle the node list for this Processor (or Insert if an A2 session) */
783 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
785 if ((*niter)->name() == plugin->state_node_name()) {
787 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
788 (*i)->set_state (**niter, version);
794 Processor::set_state (node, version);
796 if (version < 3000) {
798 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
799 if ((*niter)->name() == "Redirect") {
800 /* XXX do we need to tackle placement? i think not (pd; oct 16 2009) */
801 Processor::set_state (**niter, version);
806 set_parameter_state_2X (node, version);
810 set_parameter_state (node, version);
813 // The name of the PluginInsert comes from the plugin, nothing else
814 _name = plugin->get_info()->name;
816 /* catch up on I/O */
819 Glib::Mutex::Lock em (_session.engine().process_lock());
820 IO::PortCountChanged (max(input_streams(), output_streams()));
827 PluginInsert::set_parameter_state (const XMLNode& node, int version)
829 XMLNodeList nlist = node.children();
830 XMLNodeIterator niter;
832 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
834 if ((*niter)->name() != port_automation_node_name) {
840 XMLNodeConstIterator iter;
845 cnodes = (*niter)->children ("AutomationList");
847 for (iter = cnodes.begin(); iter != cnodes.end(); ++iter) {
851 /* XXX this code knows way too much about the internal details of an AutomationList state node */
853 if ((cprop = child->property("automation-id")) != 0) {
854 port = cprop->value().c_str();
856 warning << _("PluginInsert: Auto: no plugin parameter number seen") << endmsg;
860 if (sscanf (port, "parameter-%" PRIu32, &port_id) != 1) {
861 warning << _("PluginInsert: Auto: no parameter number found") << endmsg;
865 if (port_id >= _plugins[0]->parameter_count()) {
866 warning << _("PluginInsert: Auto: plugin parameter out of range") << endmsg;
870 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(
871 control(Evoral::Parameter(PluginAutomation, 0, port_id), true));
874 c->alist()->set_state (*child, version);
876 error << string_compose (_("PluginInsert: automatable control %1 not found - ignored"), port_id) << endmsg;
887 PluginInsert::set_parameter_state_2X (const XMLNode& node, int version)
889 XMLNodeList nlist = node.children();
890 XMLNodeIterator niter;
892 /* look for port automation node */
894 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
896 if ((*niter)->name() != port_automation_node_name) {
902 XMLNodeConstIterator iter;
907 cnodes = (*niter)->children ("port");
909 for (iter = cnodes.begin(); iter != cnodes.end(); ++iter){
913 if ((cprop = child->property("number")) != 0) {
914 port = cprop->value().c_str();
916 warning << _("PluginInsert: Auto: no ladspa port number") << endmsg;
920 sscanf (port, "%" PRIu32, &port_id);
922 if (port_id >= _plugins[0]->parameter_count()) {
923 warning << _("PluginInsert: Auto: port id out of range") << endmsg;
927 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(
928 control(Evoral::Parameter(PluginAutomation, 0, port_id), true));
931 if (!child->children().empty()) {
932 c->alist()->set_state (*child->children().front(), version);
935 error << string_compose (_("PluginInsert: automatable control %1 not found - ignored"), port_id) << endmsg;
947 PluginInsert::describe_parameter (Evoral::Parameter param)
949 if (param.type() != PluginAutomation)
950 return Automatable::describe_parameter(param);
952 return _plugins[0]->describe_parameter (param);
956 PluginInsert::signal_latency() const
959 return _user_latency;
962 return _plugins[0]->signal_latency ();
966 PluginInsert::type ()
968 boost::shared_ptr<LadspaPlugin> lp;
970 boost::shared_ptr<VSTPlugin> vp;
972 #ifdef HAVE_AUDIOUNITS
973 boost::shared_ptr<AUPlugin> ap;
976 PluginPtr other = plugin ();
978 if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
979 return ARDOUR::LADSPA;
981 } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) {
984 #ifdef HAVE_AUDIOUNITS
985 } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
986 return ARDOUR::AudioUnit;
990 return (ARDOUR::PluginType) 0;
994 PluginInsert::PluginControl::PluginControl (PluginInsert* p, const Evoral::Parameter ¶m, boost::shared_ptr<AutomationList> list)
995 : AutomationControl (p->session(), param, list, p->describe_parameter(param))
998 Plugin::ParameterDescriptor desc;
999 p->plugin(0)->get_parameter_descriptor (param.id(), desc);
1000 _logarithmic = desc.logarithmic;
1001 _toggled = desc.toggled;
1005 PluginInsert::PluginControl::set_value (float val)
1007 /* FIXME: probably should be taking out some lock here.. */
1017 /*const float range = _list->get_max_y() - _list->get_min_y();
1018 const float lower = _list->get_min_y();
1020 if (!_logarithmic) {
1021 val = lower + (range * val);
1023 float log_lower = 0.0f;
1025 log_lower = log(lower);
1028 val = exp(log_lower + log(range) * val);
1033 for (Plugins::iterator i = _plugin->_plugins.begin();
1034 i != _plugin->_plugins.end(); ++i) {
1035 (*i)->set_parameter (_list->parameter().id(), val);
1038 boost::shared_ptr<Plugin> iasp = _plugin->_impulseAnalysisPlugin.lock();
1040 iasp->set_parameter (_list->parameter().id(), val);
1043 AutomationControl::set_value(val);
1047 PluginInsert::PluginControl::get_value (void) const
1049 /* FIXME: probably should be taking out some lock here.. */
1051 float val = _plugin->get_parameter (_list->parameter());
1065 return ((val - lower) / range);
1069 boost::shared_ptr<Plugin>
1070 PluginInsert::get_impulse_analysis_plugin()
1072 boost::shared_ptr<Plugin> ret;
1073 if (_impulseAnalysisPlugin.expired()) {
1074 ret = plugin_factory(_plugins[0]);
1075 _impulseAnalysisPlugin = ret;
1077 ret = _impulseAnalysisPlugin.lock();
1084 PluginInsert::collect_signal_for_analysis(nframes_t nframes)
1086 // called from outside the audio thread, so this should be safe
1087 // only do audio as analysis is (currently) only for audio plugins
1088 _signal_analysis_inputs.ensure_buffers( DataType::AUDIO, input_streams().n_audio(), nframes);
1089 _signal_analysis_outputs.ensure_buffers( DataType::AUDIO, output_streams().n_audio(), nframes);
1091 _signal_analysis_collected_nframes = 0;
1092 _signal_analysis_collect_nframes_max = nframes;