Mercurial > hg > svcore
view plugin/LADSPAPluginFactory.h @ 335:02d2ad95ea52 spectrogram-cache-rejig
* Get storage advice for each cache in an FFT data server. Allows us to be
more confident about the actual memory situation and cut over from memory
to disc part way through an FFT calculation if necessary. StorageAdviser
is now a bit too optimistic though (it's too keen to allocate large numbers
of small blocks in memory).
author | Chris Cannam |
---|---|
date | Tue, 13 Nov 2007 13:54:10 +0000 |
parents | 5ae5885d6ce3 |
children | 59e7fe1b1003 |
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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 _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 const RealTimePluginDescriptor *getPluginDescriptor(QString identifier) const; virtual RealTimePluginInstance *instantiatePlugin(QString identifier, int clientId, int position, unsigned int sampleRate, unsigned int blockSize, unsigned int channels); virtual QString getPluginCategory(QString identifier); 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); protected: LADSPAPluginFactory(); friend class RealTimePluginFactory; virtual std::vector<QString> getPluginPath(); virtual std::vector<QString> getLRDFPath(QString &baseUri); 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<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<RealTimePluginInstance *> m_instances; typedef std::map<QString, void *> LibraryHandleMap; LibraryHandleMap m_libraryHandles; }; #endif