Chris@49: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@52:     Sonic Visualiser
Chris@52:     An audio file viewer and annotation editor.
Chris@52:     Centre for Digital Music, Queen Mary, University of London.
Chris@0:     
Chris@52:     This program is free software; you can redistribute it and/or
Chris@52:     modify it under the terms of the GNU General Public License as
Chris@52:     published by the Free Software Foundation; either version 2 of the
Chris@52:     License, or (at your option) any later version.  See the file
Chris@52:     COPYING included with this distribution for more information.
Chris@0: */
Chris@0: 
Chris@0: /*
Chris@0:    This is a modified version of a source file from the 
Chris@0:    Rosegarden MIDI and audio sequencer and notation editor.
Chris@17:    This file copyright 2000-2006 Chris Cannam and Richard Bown.
Chris@0: */
Chris@0: 
Chris@1581: #ifndef SV_LADSPA_PLUGIN_FACTORY_H
Chris@1581: #define SV_LADSPA_PLUGIN_FACTORY_H
Chris@0: 
Chris@0: #include "RealTimePluginFactory.h"
Chris@0: #include "api/ladspa.h"
Chris@0: 
Chris@1179: #include "PluginScan.h"
Chris@1179: 
Chris@0: #include <vector>
Chris@0: #include <map>
Chris@0: #include <set>
Chris@0: #include <QString>
Chris@0: 
Chris@0: class LADSPAPluginInstance;
Chris@0: 
Chris@0: class LADSPAPluginFactory : public RealTimePluginFactory
Chris@0: {
Chris@0: public:
Chris@0:     virtual ~LADSPAPluginFactory();
Chris@0: 
Chris@1580:     void discoverPlugins() override;
Chris@0: 
Chris@1580:     const std::vector<QString> &getPluginIdentifiers() const override;
Chris@0: 
Chris@1580:     void enumeratePlugins(std::vector<QString> &list) override;
Chris@0: 
Chris@1830:     RealTimePluginDescriptor getPluginDescriptor(QString identifier)
Chris@1830:         const override;
Chris@60: 
Chris@1830:     std::shared_ptr<RealTimePluginInstance>
Chris@1830:     instantiatePlugin(QString identifier,
Chris@1830:                       int clientId,
Chris@1830:                       int position,
Chris@1830:                       sv_samplerate_t sampleRate,
Chris@1830:                       int blockSize,
Chris@1830:                       int channels) override;
Chris@0: 
Chris@1580:     QString getPluginCategory(QString identifier) override;
Chris@165: 
Chris@1580:     QString getPluginLibraryPath(QString identifier) override;
Chris@1464:     
Chris@0:     float getPortMinimum(const LADSPA_Descriptor *, int port);
Chris@0:     float getPortMaximum(const LADSPA_Descriptor *, int port);
Chris@0:     float getPortDefault(const LADSPA_Descriptor *, int port);
Chris@57:     float getPortQuantization(const LADSPA_Descriptor *, int port);
Chris@0:     int getPortDisplayHint(const LADSPA_Descriptor *, int port);
Chris@0: 
Chris@1472:     static std::vector<QString> getPluginPath();
Chris@1472: 
Chris@0: protected:
Chris@0:     LADSPAPluginFactory();
Chris@0:     friend class RealTimePluginFactory;
Chris@0: 
Chris@1180:     virtual PluginScan::PluginType getPluginType() const {
Chris@1180:         return PluginScan::LADSPAPlugin;
Chris@1179:     }
Chris@1179: 
Chris@0:     virtual std::vector<QString> getLRDFPath(QString &baseUri);
Chris@0: 
Chris@929:     virtual void discoverPluginsFrom(QString soName);
Chris@0:     virtual void generateTaxonomy(QString uri, QString base);
Chris@0:     virtual void generateFallbackCategories();
Chris@0: 
Chris@0:     virtual const LADSPA_Descriptor *getLADSPADescriptor(QString identifier);
Chris@0: 
Chris@0:     void loadLibrary(QString soName);
Chris@0:     void unloadLibrary(QString soName);
Chris@0:     void unloadUnusedLibraries();
Chris@0: 
Chris@0:     std::vector<QString> m_identifiers;
Chris@1464:     std::map<QString, QString> m_libraries; // identifier -> full file path
Chris@1830:     std::map<QString, RealTimePluginDescriptor> m_rtDescriptors;
Chris@0: 
Chris@165:     std::map<QString, QString> m_taxonomy;
Chris@165:     std::map<unsigned long, QString> m_lrdfTaxonomy;
Chris@0:     std::map<unsigned long, std::map<int, float> > m_portDefaults;
Chris@0: 
Chris@1830:     std::set<std::weak_ptr<RealTimePluginInstance>,
Chris@1830:              std::owner_less<std::weak_ptr<RealTimePluginInstance>>> m_instances;
Chris@0: 
Chris@0:     typedef std::map<QString, void *> LibraryHandleMap;
Chris@0:     LibraryHandleMap m_libraryHandles;
Chris@0: };
Chris@0: 
Chris@0: #endif
Chris@0: