Mercurial > hg > svcore
view plugin/FeatureExtractionPluginFactory.h @ 1149:afed8be79032 3.0-integration
Show warning to the user when plugin population has problems
author | Chris Cannam |
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date | Tue, 19 Jan 2016 12:32:30 +0000 |
parents | 9cdb4206aceb |
children | 6b1af0f05f06 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef _FEATURE_EXTRACTION_PLUGIN_FACTORY_H_ #define _FEATURE_EXTRACTION_PLUGIN_FACTORY_H_ #include <QString> #include <vector> #include <map> #include <vamp-hostsdk/Plugin.h> #include "base/Debug.h" #include "base/BaseTypes.h" class FeatureExtractionPluginFactory { public: virtual ~FeatureExtractionPluginFactory() { } static FeatureExtractionPluginFactory *instance(QString pluginType); static FeatureExtractionPluginFactory *instanceFor(QString identifier); static std::vector<QString> getAllPluginIdentifiers(); virtual std::vector<QString> getPluginPath(); virtual std::vector<QString> getPluginIdentifiers(); /** * Return any error message arising from the initial plugin * scan. The return value will either be an empty string (nothing * to report) or an HTML string suitable for dropping into a * dialog and showing the user. */ virtual QString getPluginPopulationWarning() { return m_pluginScanError; } virtual QString findPluginFile(QString soname, QString inDir = ""); // We don't set blockSize or channels on this -- they're // negotiated and handled via initialize() on the plugin virtual Vamp::Plugin *instantiatePlugin(QString identifier, sv_samplerate_t inputSampleRate); /** * Get category metadata about a plugin (without instantiating it). */ virtual QString getPluginCategory(QString identifier); protected: std::vector<QString> m_pluginPath; std::map<QString, QString> m_taxonomy; friend class PluginDeletionNotifyAdapter; void pluginDeleted(Vamp::Plugin *); std::map<Vamp::Plugin *, void *> m_handleMap; std::vector<QString> getPluginCandidateFiles(); std::vector<QString> winnowPluginCandidates(std::vector<QString> candidates, QString &warningMessage); void generateTaxonomy(); QString m_pluginScanError; }; #endif