Mercurial > hg > svcore
view plugin/FeatureExtractionPluginFactory.cpp @ 19:a7ed14263fe4
* Add Chromagram plugin, and make a number of fixes to the dense 3d model
and colour 3d plot class to accommodate it
* Add pitch-conversion methods in base/Pitch
* Commit previously overlooked Command.cpp
author | Chris Cannam |
---|---|
date | Wed, 01 Feb 2006 14:49:49 +0000 |
parents | d86891498eef |
children | 838652cc31e6 |
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/* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */ /* A waveform viewer and audio annotation editor. Chris Cannam, Queen Mary University of London, 2005-2006 This is experimental software. Not for distribution. */ #include "FeatureExtractionPluginFactory.h" #include "PluginIdentifier.h" #include "plugins/BeatDetect.h" //!!! #include "plugins/ChromagramPlugin.h" //!!! #include "plugins/ZeroCrossing.h" //!!! #include <iostream> static FeatureExtractionPluginFactory *_nativeInstance = 0; FeatureExtractionPluginFactory * FeatureExtractionPluginFactory::instance(QString pluginType) { if (pluginType == "sv") { if (!_nativeInstance) { std::cerr << "FeatureExtractionPluginFactory::instance(" << pluginType.toStdString() << "): creating new FeatureExtractionPluginFactory" << std::endl; _nativeInstance = new FeatureExtractionPluginFactory(); } return _nativeInstance; } else return 0; } FeatureExtractionPluginFactory * FeatureExtractionPluginFactory::instanceFor(QString identifier) { QString type, soName, label; PluginIdentifier::parseIdentifier(identifier, type, soName, label); return instance(type); } std::vector<QString> FeatureExtractionPluginFactory::getAllPluginIdentifiers() { FeatureExtractionPluginFactory *factory; std::vector<QString> rv; factory = instance("sv"); if (factory) { std::vector<QString> tmp = factory->getPluginIdentifiers(); for (size_t i = 0; i < tmp.size(); ++i) { rv.push_back(tmp[i]); } } // Plugins can change the locale, revert it to default. setlocale(LC_ALL, "C"); return rv; } std::vector<QString> FeatureExtractionPluginFactory::getPluginIdentifiers() { std::vector<QString> rv; rv.push_back("sv:_builtin:beats"); //!!! rv.push_back("sv:_builtin:chromagram"); //!!! rv.push_back("sv:_builtin:zerocrossing"); //!!! return rv; } FeatureExtractionPlugin * FeatureExtractionPluginFactory::instantiatePlugin(QString identifier, float inputSampleRate) { QString type, soName, label; PluginIdentifier::parseIdentifier(identifier, type, soName, label); if (type != "sv") { std::cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Wrong factory for plugin type " << type.toStdString() << std::endl; return 0; } //!!! if (soName != PluginIdentifier::BUILTIN_PLUGIN_SONAME) { std::cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Non-built-in plugins not yet supported (paradoxically enough)" << std::endl; return 0; } if (label == "beats") { return new BeatDetector(inputSampleRate); //!!! } if (label == "chromagram") { return new ChromagramPlugin(inputSampleRate); //!!! } if (label == "zerocrossing") { return new ZeroCrossing(inputSampleRate); //!!! } std::cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Unknown plugin \"" << identifier.toStdString() << "\"" << std::endl; return 0; }