Mercurial > hg > svcore
view plugin/LADSPAPluginFactory.h @ 15:47500c27ac26
* Add getXForFrame / getFrameForX in preference to using the zoom level everywhere
author | Chris Cannam |
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date | Mon, 30 Jan 2006 13:19:42 +0000 |
parents | d86891498eef |
children | 2fb933f88604 |
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/* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */ /* A waveform viewer and audio annotation editor. Chris Cannam, Queen Mary University of London, 2005-2006 This is experimental software. Not for distribution. */ /* This is a modified version of a source file from the Rosegarden MIDI and audio sequencer and notation editor. This file copyright 2000-2005 Chris Cannam and Richard Bown. */ #ifndef _LADSPA_PLUGIN_FACTORY_H_ #define _LADSPA_PLUGIN_FACTORY_H_ #include "RealTimePluginFactory.h" #include "api/ladspa.h" #include <vector> #include <map> #include <set> #include <QString> class LADSPAPluginInstance; class LADSPAPluginFactory : public RealTimePluginFactory { public: virtual ~LADSPAPluginFactory(); virtual void discoverPlugins(); virtual const std::vector<QString> &getPluginIdentifiers() const; virtual void enumeratePlugins(std::vector<QString> &list); virtual RealTimePluginInstance *instantiatePlugin(QString identifier, int clientId, int position, unsigned int sampleRate, unsigned int blockSize, unsigned int channels); float getPortMinimum(const LADSPA_Descriptor *, int port); float getPortMaximum(const LADSPA_Descriptor *, int port); float getPortDefault(const LADSPA_Descriptor *, int port); int getPortDisplayHint(const LADSPA_Descriptor *, int port); protected: LADSPAPluginFactory(); friend class RealTimePluginFactory; virtual std::vector<QString> getPluginPath(); #ifdef HAVE_LIBLRDF virtual std::vector<QString> getLRDFPath(QString &baseUri); #endif virtual void discoverPlugins(QString soName); virtual void generateTaxonomy(QString uri, QString base); virtual void generateFallbackCategories(); virtual void releasePlugin(RealTimePluginInstance *, QString); virtual const LADSPA_Descriptor *getLADSPADescriptor(QString identifier); void loadLibrary(QString soName); void unloadLibrary(QString soName); void unloadUnusedLibraries(); std::vector<QString> m_identifiers; std::map<unsigned long, QString> m_taxonomy; std::map<QString, QString> m_fallbackCategories; std::map<unsigned long, std::map<int, float> > m_portDefaults; std::set<RealTimePluginInstance *> m_instances; typedef std::map<QString, void *> LibraryHandleMap; LibraryHandleMap m_libraryHandles; }; #endif