Result
LV2Module::instantiate (double samplerate)
{
freeInstance();
currentSampleRate = samplerate;
features.clearQuick();
world.getFeatures (features);
// check for a worker interface
LilvNodes* nodes = lilv_plugin_get_extension_data (plugin);
LILV_FOREACH (nodes, iter, nodes)
{
const LilvNode* node = lilv_nodes_get (nodes, iter);
if (lilv_node_equals (node, world.work_interface))
{
worker = new LV2Worker (world.getWorkThread(), 1);
features.add (worker->getFeature());
}
}
lilv_nodes_free (nodes); nodes = nullptr;
features.add (nullptr);
instance = lilv_plugin_instantiate (plugin, samplerate,
features.getRawDataPointer());
if (instance == nullptr) {
features.clearQuick();
worker = nullptr;
return Result::fail ("Could not instantiate plugin.");
}
if (const void* data = getExtensionData (LV2_WORKER__interface))
{
assert (worker != nullptr);
worker->setSize (2048);
worker->setInterface (lilv_instance_get_handle (instance),
(LV2_Worker_Interface*) data);
}
else if (worker)
{
features.removeFirstMatchingValue (worker->getFeature());
worker = nullptr;
}
return Result::ok();
}
void
LV2Module::setSampleRate (double newSampleRate)
{
if (newSampleRate == currentSampleRate)
return;
if (instance != nullptr)
{
const bool wasActive = isActive();
deactivate();
freeInstance();
instantiate (newSampleRate);
jassert (currentSampleRate == newSampleRate);
if (wasActive)
activate();
}
}
void fmiFreeModelInstance(fmiComponent c) {
freeInstance("fmiFreeModelInstance", c);
}
void fmiFreeSlaveInstance(fmiComponent c) {
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiFreeSlaveInstance", modelTerminated))
return;
freeInstance("fmiFreeSlaveInstance", c);
}
LV2Module::~LV2Module()
{
freeInstance();
worker = nullptr;
}
