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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 2006-2016 Chris Cannam and QMUL.
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 SV_FEATURE_EXTRACTION_PLUGIN_FACTORY_H
#define SV_FEATURE_EXTRACTION_PLUGIN_FACTORY_H
#include <vamp-hostsdk/Plugin.h>
#include "vamp-support/PluginStaticData.h"
#include "base/BaseTypes.h"
#include <QString>
#include <memory>
namespace sv {
class FeatureExtractionPluginFactory
{
public:
static FeatureExtractionPluginFactory *instance();
virtual ~FeatureExtractionPluginFactory() { }
/**
* Return all installed plugin identifiers.
*/
virtual std::vector<QString> getPluginIdentifiers(QString &errorMsg) = 0;
/**
* Return static data for the given plugin.
*/
virtual piper_vamp::PluginStaticData getPluginStaticData(QString ident) = 0;
/**
* Instantiate (load) and return pointer to the plugin with the
* given identifier, at the given sample rate. We don't set
* blockSize or channels on this -- they're negotiated and handled
* via initialize() on the plugin itself after loading.
*/
virtual std::shared_ptr<Vamp::Plugin> instantiatePlugin(QString identifier,
sv_samplerate_t inputSampleRate) = 0;
/**
* Get category metadata about a plugin (without instantiating it).
*/
virtual QString getPluginCategory(QString identifier) = 0;
/**
* Get the full file path (including both directory and filename)
* of the library file that provides a given plugin
* identifier. Note getPluginIdentifiers() must have been called
* before this has access to the necessary information.
*/
virtual QString getPluginLibraryPath(QString identifier) = 0;
};
} // end namespace sv
#endif
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