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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 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.
*/
/*
This is a modified version of a source file from the
Rosegarden MIDI and audio sequencer and notation editor.
This file copyright 2000-2006 Chris Cannam and Richard Bown.
*/
#ifndef SV_LADSPA_PLUGIN_FACTORY_H
#define SV_LADSPA_PLUGIN_FACTORY_H
#include "RealTimePluginFactory.h"
#include "api/ladspa.h"
#include "PluginScan.h"
#include <vector>
#include <map>
#include <set>
#include <QString>
namespace sv {
class LADSPAPluginInstance;
class LADSPAPluginFactory : public RealTimePluginFactory
{
public:
virtual ~LADSPAPluginFactory();
void discoverPlugins() override;
const std::vector<QString> &getPluginIdentifiers() const override;
void enumeratePlugins(std::vector<QString> &list) override;
RealTimePluginDescriptor getPluginDescriptor(QString identifier)
const override;
std::shared_ptr<RealTimePluginInstance>
instantiatePlugin(QString identifier,
int clientId,
int position,
sv_samplerate_t sampleRate,
int blockSize,
int channels) override;
QString getPluginCategory(QString identifier) override;
QString getPluginLibraryPath(QString identifier) override;
float getPortMinimum(const LADSPA_Descriptor *, int port);
float getPortMaximum(const LADSPA_Descriptor *, int port);
float getPortDefault(const LADSPA_Descriptor *, int port);
float getPortQuantization(const LADSPA_Descriptor *, int port);
int getPortDisplayHint(const LADSPA_Descriptor *, int port);
static std::vector<QString> getPluginPath();
protected:
LADSPAPluginFactory();
friend class RealTimePluginFactory;
virtual PluginScan::PluginType getPluginType() const {
return PluginScan::LADSPAPlugin;
}
virtual std::vector<QString> getLRDFPath(QString &baseUri);
virtual void discoverPluginsFrom(QString soName);
virtual void generateTaxonomy(QString uri, QString base);
virtual void generateFallbackCategories();
virtual const LADSPA_Descriptor *getLADSPADescriptor(QString identifier);
void loadLibrary(QString soName);
void unloadLibrary(QString soName);
void unloadUnusedLibraries();
std::vector<QString> m_identifiers;
std::map<QString, QString> m_libraries; // identifier -> full file path
std::map<QString, RealTimePluginDescriptor> m_rtDescriptors;
std::map<QString, QString> m_taxonomy;
std::map<unsigned long, QString> m_lrdfTaxonomy;
std::map<unsigned long, std::map<int, float> > m_portDefaults;
std::set<std::weak_ptr<RealTimePluginInstance>,
std::owner_less<std::weak_ptr<RealTimePluginInstance>>> m_instances;
typedef std::map<QString, void *> LibraryHandleMap;
LibraryHandleMap m_libraryHandles;
};
} // end namespace sv
#endif
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