Chris@49: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@0:     A waveform viewer and audio annotation editor.
Chris@2:     Chris Cannam, Queen Mary University of London, 2005-2006
Chris@0:     
Chris@0:     This is experimental software.  Not for distribution.
Chris@0: */
Chris@0: 
Chris@0: #include "FeatureExtractionPluginFactory.h"
Chris@0: #include "PluginIdentifier.h"
Chris@0: 
Chris@0: #include "plugins/BeatDetect.h" //!!!
Chris@19: #include "plugins/ChromagramPlugin.h" //!!!
Chris@0: #include "plugins/ZeroCrossing.h" //!!!
Chris@47: #include "plugins/SpectralCentroid.h" //!!!
Martin@37: #include "plugins/TonalChangeDetect.h" //!!!
Chris@0: 
Chris@0: #include <iostream>
Chris@0: 
Chris@0: static FeatureExtractionPluginFactory *_nativeInstance = 0;
Chris@0: 
Chris@0: FeatureExtractionPluginFactory *
Chris@0: FeatureExtractionPluginFactory::instance(QString pluginType)
Chris@0: {
Chris@0:     if (pluginType == "sv") {
Chris@0: 	if (!_nativeInstance) {
Chris@0: 	    std::cerr << "FeatureExtractionPluginFactory::instance(" << pluginType.toStdString()
Chris@0: 		      << "): creating new FeatureExtractionPluginFactory" << std::endl;
Chris@0: 	    _nativeInstance = new FeatureExtractionPluginFactory();
Chris@0: 	}
Chris@0: 	return _nativeInstance;
Chris@0:     }
Chris@0: 
Chris@0:     else return 0;
Chris@0: }
Chris@0: 
Chris@0: FeatureExtractionPluginFactory *
Chris@0: FeatureExtractionPluginFactory::instanceFor(QString identifier)
Chris@0: {
Chris@0:     QString type, soName, label;
Chris@0:     PluginIdentifier::parseIdentifier(identifier, type, soName, label);
Chris@0:     return instance(type);
Chris@0: }
Chris@0: 
Chris@0: std::vector<QString>
Chris@0: FeatureExtractionPluginFactory::getAllPluginIdentifiers()
Chris@0: {
Chris@0:     FeatureExtractionPluginFactory *factory;
Chris@0:     std::vector<QString> rv;
Chris@0:     
Chris@0:     factory = instance("sv");
Chris@0:     if (factory) {
Chris@0: 	std::vector<QString> tmp = factory->getPluginIdentifiers();
Chris@0: 	for (size_t i = 0; i < tmp.size(); ++i) {
Chris@0: 	    rv.push_back(tmp[i]);
Chris@0: 	}
Chris@0:     }
Chris@0: 
Chris@0:     // Plugins can change the locale, revert it to default.
Chris@0:     setlocale(LC_ALL, "C");
Chris@0:     return rv;
Chris@0: }
Chris@0: 
Chris@0: std::vector<QString>
Chris@0: FeatureExtractionPluginFactory::getPluginIdentifiers()
Chris@0: {
Chris@0:     std::vector<QString> rv;
Chris@0:     rv.push_back("sv:_builtin:beats"); //!!!
Chris@19:     rv.push_back("sv:_builtin:chromagram"); //!!!
Chris@0:     rv.push_back("sv:_builtin:zerocrossing"); //!!!
Chris@47:     rv.push_back("sv:_builtin:spectralcentroid"); //!!!
Chris@47:     rv.push_back("sv:_builtin:tonalchange"); //!!!
Chris@0:     return rv;
Chris@0: }
Chris@0: 
Chris@0: FeatureExtractionPlugin *
Chris@0: FeatureExtractionPluginFactory::instantiatePlugin(QString identifier,
Chris@0: 						  float inputSampleRate)
Chris@0: {
Chris@0:     QString type, soName, label;
Chris@0:     PluginIdentifier::parseIdentifier(identifier, type, soName, label);
Chris@0:     if (type != "sv") {
Chris@0: 	std::cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Wrong factory for plugin type " << type.toStdString() << std::endl;
Chris@0: 	return 0;
Chris@0:     }
Chris@0: 
Chris@0:     //!!!
Chris@0:     if (soName != PluginIdentifier::BUILTIN_PLUGIN_SONAME) {
Chris@0: 	std::cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Non-built-in plugins not yet supported (paradoxically enough)" << std::endl;
Chris@0: 	return 0;
Chris@0:     }
Chris@0: 
Chris@0:     if (label == "beats") {
Chris@0: 	return new BeatDetector(inputSampleRate); //!!!
Chris@0:     }
Chris@0: 
Chris@19:     if (label == "chromagram") {
Chris@19: 	return new ChromagramPlugin(inputSampleRate); //!!!
Chris@19:     }
Chris@19: 
Chris@0:     if (label == "zerocrossing") {
Chris@0: 	return new ZeroCrossing(inputSampleRate); //!!!
Chris@0:     }
Chris@0: 
Chris@47:     if (label == "spectralcentroid") {
Chris@47: 	return new SpectralCentroid(inputSampleRate); //!!!
Chris@47:     }
Chris@47: 
Martin@37:     if (label == "tonalchange") {
Martin@37: 	return new TonalChangeDetect(inputSampleRate); //!!!
Martin@37:     }
Martin@37: 
Chris@0:     std::cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Unknown plugin \"" << identifier.toStdString() << "\"" << std::endl;
Chris@0:     
Chris@0:     return 0;
Chris@0: }
Chris@0: