void
print_port(const LilvPlugin* p,
uint32_t index,
float* mins,
float* maxes,
float* defaults)
{
const LilvPort* port = lilv_plugin_get_port_by_index(p, index);
printf("\n\tPort %d:\n", index);
if (!port) {
printf("\t\tERROR: Illegal/nonexistent port\n");
return;
}
bool first = true;
const LilvNodes* classes = lilv_port_get_classes(p, port);
printf("\t\tType: ");
LILV_FOREACH(nodes, i, classes) {
const LilvNode* value = lilv_nodes_get(classes, i);
if (!first) {
printf("\n\t\t ");
}
printf("%s", lilv_node_as_uri(value));
first = false;
}
if (lilv_port_is_a(p, port, event_class)) {
LilvNodes* supported = lilv_port_get_value(
p, port, supports_event_pred);
if (lilv_nodes_size(supported) > 0) {
printf("\n\t\tSupported events:\n");
LILV_FOREACH(nodes, i, supported) {
const LilvNode* value = lilv_nodes_get(supported, i);
printf("\t\t\t%s\n", lilv_node_as_uri(value));
}
}
lilv_nodes_free(supported);
}
LV2Effect::LV2Effect(const LilvPlugin *data,
const std::set<wxString> & categories)
: mValid(true),
mCategories(categories),
mMidiInput(0),
mLatencyPortIndex(-1)
{
// We don't support any features at all, so if the plugin requires
// any we skip it.
LilvNodes *req = lilv_plugin_get_required_features(data);
size_t nFeatures = lilv_nodes_size(req);
lilv_nodes_free(req);
if (nFeatures > 0)
{
mValid = false;
return;
}
mData = data;
pluginName = GetString(lilv_plugin_get_name(mData), true);
fInBuffer = NULL;
fOutBuffer = NULL;
mLength = 0;
// Allocate buffers for the port indices and the default control values
int numPorts = lilv_plugin_get_num_ports(mData);
float *minimumValues = new float [numPorts];
float *maximumValues = new float [numPorts];
float *defaultValues = new float [numPorts];
// Retrieve the port ranges for all ports (some values may be NaN)
lilv_plugin_get_port_ranges_float(mData, minimumValues,
maximumValues, defaultValues);
// Get info about all ports
for (int i = 0; i < numPorts; i++)
{
const LilvPort *port = lilv_plugin_get_port_by_index(mData, i);
LV2Port internalPort;
internalPort.mIndex = lilv_port_get_index(mData, port);
// Get the port name
LilvNode *tmpName = lilv_port_get_name(mData, port);
internalPort.mName = GetString(tmpName);
lilv_node_free(tmpName);
// Get the scale points
LilvScalePoints* points = lilv_port_get_scale_points(mData, port);
LILV_FOREACH(scale_points, j, points)
{
const LilvScalePoint *point = lilv_scale_points_get(points, j);
internalPort.mScaleValues.Add(lilv_node_as_float(lilv_scale_point_get_value(point)));
internalPort.mScaleLabels.Add(GetString(lilv_scale_point_get_label(point)));
}
lilv_scale_points_free(points);
// Get the groups
LilvNodes *groups = lilv_port_get_value(mData, port, gPortGroup);
if (groups)
{
LilvNode *group = lilv_nodes_get_first(groups);
wxString uri = GetString(group);
wxString label;
const LilvNode *name = lilv_world_get(gWorld, group, gName, NULL);
if (name)
{
label = GetString(name);
}
else
{
// Shouldn't happen, but provide something
label = uri;
}
lilv_nodes_free(groups);
// Check for new group
if (mPortGroups.find(uri) == mPortGroups.end())
{
mPortGroups[uri] = LV2PortGroup(label);
}
#if 0
// Get subgroup
//
// LLL: This isn't right...must find or construct a plugin with
// subgroups.
LilvNodes *subgroup = lilv_node_get_value(mData, port, gSubGroupOf);
if (subgroups)
{
LilvNode *subgroup = lilv_nodes_get_first(subgroups);
wxString uri = GetString(subgroup);
const LilvNode *subgroup = lilv_world_get(gWorld, group, gSubGroupOf, NULL);
wxString label = GetString(name);
lilv_nodes_free(subgroup);
}
else
#endif
{
mRootGroup.AddSubGroup(mPortGroups[uri]);
}
mPortGroups[uri].AddParameter(i);
}
else
{
mRootGroup.AddParameter(i);
}
// Get the port type
if (lilv_port_is_a(mData, port, gAudioPortClass))
{
if (lilv_port_is_a(mData, port, gInputPortClass))
{
mAudioInputs.Add(internalPort);
}
else if (lilv_port_is_a(mData, port, gOutputPortClass))
{
mAudioOutputs.Add(internalPort);
}
}
else if (lilv_port_is_a(mData, port, gControlPortClass) &&
lilv_port_is_a(mData, port, gInputPortClass))
{
internalPort.mControlBuffer = float(1.0);
internalPort.mMin = minimumValues[i];
internalPort.mMax = maximumValues[i];
internalPort.mDefault = defaultValues[i];
if (isfinite(defaultValues[i]))
{
internalPort.mControlBuffer = defaultValues[i];
}
else if (isfinite(minimumValues[i]))
{
internalPort.mControlBuffer = minimumValues[i];
}
else if (isfinite(maximumValues[i]))
{
internalPort.mControlBuffer = maximumValues[i];
}
if (lilv_port_has_property(mData, port, gPortToggled))
{
internalPort.mToggle = true;
}
else if (lilv_port_has_property(mData, port, gPortIsInteger))
{
internalPort.mInteger = true;
}
else if (lilv_port_has_property(mData, port, gPortIsSampleRate))
{
internalPort.mSampleRate = true;
}
else if (lilv_port_has_property(mData, port, gPortIsEnumeration))
{
internalPort.mEnumeration = true;
}
mControlInputs.Add(internalPort);
}
else if (lilv_port_is_a(mData, port, gControlPortClass) &&
lilv_port_is_a(mData, port, gOutputPortClass))
{
// If there is more than one latency port, the plugin is invalid
if (lilv_port_has_property(mData, port, gPortIsLatency))
{
if (mLatencyPortIndex >= 0)
{
mValid = false;
continue;
}
mLatencyPortIndex = i;
}
else if (!lilv_port_has_property(mData, port, gPortIsOptional))
{
mControlOutputs.Add(internalPort);
}
}
else if (lilv_port_is_a(mData, port, gMidiPortClass) &&
lilv_port_is_a(mData, port, gInputPortClass))
{
// If there is more than one MIDI input port, the plugin is invalid
if (mMidiInput)
{
mValid = false;
continue;
}
mMidiInput = new LV2Port(internalPort);
}
else
{
// Unknown port type, we set the invalid flag
// mValid = false;
}
}
delete [] minimumValues;
delete [] maximumValues;
delete [] defaultValues;
// MIDI synths may not have any audio inputs.
if (mMidiInput && mAudioInputs.GetCount() > 0)
{
mValid = false;
}
// Determine whether the plugin is a generator, effect or analyser
// depending on the number of ports of each type (not completely accurate,
// but works most of the time)
int flags = PLUGIN_EFFECT;
if (mAudioInputs.GetCount() == 0)
{
flags |= INSERT_EFFECT;
}
else if (mAudioOutputs.GetCount() == 0)
{
flags |= ANALYZE_EFFECT;
}
else
{
flags |= PROCESS_EFFECT;
}
SetEffectFlags(flags);
}
Lv2Plugin::Lv2Plugin(const LilvPlugin *plugin, LilvInstance *instance,
const Lv2Constants &uris, Lv2Worker *worker) :
plugin(plugin), instance(instance), midiOutputCount(0),
controlConnections(4), newControlMappingsQueue(16), worker(worker)
{
// audio inputs
audioInputCount = lilv_plugin_get_num_ports_of_class(plugin, uris.lv2AudioPort, uris.lv2InputPort, 0);
audioInputIndex = new uint32_t[audioInputCount];
audioInput = new AudioConnector[audioInputCount];
// audio outputs
audioOutputCount = lilv_plugin_get_num_ports_of_class(plugin, uris.lv2AudioPort, uris.lv2OutputPort, 0);
audioOutputIndex = new uint32_t[audioOutputCount];
audioOutput = new AudioConnection*[audioOutputCount];
for(uint32_t i = 0; i < audioOutputCount; i++) {
audioOutput[i] = new AudioConnection(this);
audioOutput[i]->clear();
}
// initialize port structures
uint32_t numPorts = lilv_plugin_get_num_ports(plugin);
uint32_t audioInputCounter = 0;
uint32_t audioOutputCounter = 0;
for(uint32_t i = 0; i < numPorts; i++) {
const LilvPort *port = lilv_plugin_get_port_by_index(plugin, i);
if(lilv_port_is_a(plugin, port, uris.lv2AudioPort)) {
if(lilv_port_is_a(plugin, port, uris.lv2InputPort)) {
audioInputIndex[audioInputCounter++] = i;
}
else if(lilv_port_is_a(plugin, port, uris.lv2OutputPort)) {
audioOutputIndex[audioOutputCounter++] = i;
}
} else if(lilv_port_is_a(plugin, port, uris.lv2ControlPort)
&& lilv_port_is_a(plugin, port, uris.lv2InputPort)) {
// get control name
const LilvNode* symbol = lilv_port_get_symbol(plugin, port);
std::string portName(lilv_node_as_string(symbol));
// create, connect and hash new control port object
Lv2ControlPort *newPort = new Lv2ControlPort();
LilvNode *dfault, *minimum, *maximum;
lilv_port_get_range(plugin, port, &dfault, &minimum, &maximum);
newPort->dfault = dfault ? lilv_node_as_float(dfault) : 0;
newPort->minimum = lilv_node_as_float(minimum);
newPort->maximum = lilv_node_as_float(maximum);
lilv_instance_connect_port(instance, i, &(newPort->value));
controlMap[portName] = newPort;
} else if(lilv_port_is_a(plugin, port, uris.lv2AtomPort)) {
// is it a MIDI/atom input?
LilvNodes *atomBufferType = lilv_port_get_value(plugin, port, uris.lv2AtomBufferType);
LilvNodes* atomSupports = lilv_port_get_value(plugin, port, uris.lv2AtomSupports);
if (lilv_port_is_a(plugin, port, uris.lv2InputPort) &&
lilv_nodes_contains(atomBufferType, uris.lv2AtomSequence)
&& lilv_nodes_contains(atomSupports, uris.lv2MidiEvent)) {
// create new inputs and connect to atom sequence location
Lv2MidiInput *newAtomPort = new Lv2MidiInput();
lilv_instance_connect_port(instance, i, newAtomPort->getAtomSequence());
midiInputList.add(newAtomPort);
}
else if (lilv_port_is_a(plugin, port, uris.lv2OutputPort)) {
//atomSequence->atom.type = Lv2PluginFactory::instance()->uridMapper.uriToId(LV2_ATOM__Sequence);
Lv2MidiOutput *midiOutput = new Lv2MidiOutput(this);
lilv_instance_connect_port(instance, i, midiOutput->getAtomSequence());
midiOutputList.add(midiOutput);
midiOutputCount++;
}
else {
// warn
std::cout << "!!! unknown atom port at index " << i << ": " << lilv_node_as_string(lilv_port_get_name(plugin, port)) << std::endl;
}
lilv_nodes_free(atomSupports);
lilv_nodes_free(atomBufferType);
} else {
lilv_instance_connect_port(instance, i, NULL);
std::cout << "!!! unknown port at index " << i << ": " << lilv_node_as_string(lilv_port_get_name(plugin, port)) << std::endl;
}
}
}
