svcore  1.9
FeatureExtractionPluginFactory.h
Go to the documentation of this file.
00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
00002 
00003 /*
00004     Sonic Visualiser
00005     An audio file viewer and annotation editor.
00006     Centre for Digital Music, Queen Mary, University of London.
00007     This file copyright 2006 Chris Cannam.
00008     
00009     This program is free software; you can redistribute it and/or
00010     modify it under the terms of the GNU General Public License as
00011     published by the Free Software Foundation; either version 2 of the
00012     License, or (at your option) any later version.  See the file
00013     COPYING included with this distribution for more information.
00014 */
00015 
00016 #ifndef _FEATURE_EXTRACTION_PLUGIN_FACTORY_H_
00017 #define _FEATURE_EXTRACTION_PLUGIN_FACTORY_H_
00018 
00019 #include <QString>
00020 #include <vector>
00021 #include <map>
00022 
00023 #include <vamp-hostsdk/Plugin.h>
00024 
00025 #include "base/Debug.h"
00026 
00027 class FeatureExtractionPluginFactory
00028 {
00029 public:
00030     virtual ~FeatureExtractionPluginFactory() { }
00031 
00032     static FeatureExtractionPluginFactory *instance(QString pluginType);
00033     static FeatureExtractionPluginFactory *instanceFor(QString identifier);
00034     static std::vector<QString> getAllPluginIdentifiers();
00035 
00036     virtual std::vector<QString> getPluginPath();
00037 
00038     virtual std::vector<QString> getPluginIdentifiers();
00039 
00040     virtual QString findPluginFile(QString soname, QString inDir = "");
00041 
00042     // We don't set blockSize or channels on this -- they're
00043     // negotiated and handled via initialize() on the plugin
00044     virtual Vamp::Plugin *instantiatePlugin(QString identifier,
00045                                             float inputSampleRate);
00046 
00050     virtual QString getPluginCategory(QString identifier);
00051 
00052 protected:
00053     std::vector<QString> m_pluginPath;
00054     std::map<QString, QString> m_taxonomy;
00055 
00056     friend class PluginDeletionNotifyAdapter;
00057     void pluginDeleted(Vamp::Plugin *);
00058     std::map<Vamp::Plugin *, void *> m_handleMap;
00059 
00060     void generateTaxonomy();
00061 };
00062 
00063 #endif