Mercurial > hg > svcore
view plugin/FeatureExtractionPluginAdapter.h @ 61:749b5521e082
* adjust for latency if the plugin reports it
author | Chris Cannam |
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date | Mon, 27 Mar 2006 16:15:19 +0000 |
parents | 3086ff194ea0 |
children |
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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 Chris Cannam. 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 _FEATURE_EXTRACTION_PLUGIN_ADAPTER_H_ #define _FEATURE_EXTRACTION_PLUGIN_ADAPTER_H_ #include "api/svp.h" #include "FeatureExtractionPlugin.h" #include <map> class FeatureExtractionPluginAdapterBase { public: virtual ~FeatureExtractionPluginAdapterBase(); const SVPPluginDescriptor *getDescriptor(); protected: FeatureExtractionPluginAdapterBase(); virtual FeatureExtractionPlugin *createPlugin(float inputSampleRate) = 0; static SVPPluginHandle svpInstantiate(const SVPPluginDescriptor *desc, float inputSampleRate); static void svpCleanup(SVPPluginHandle handle); static int svpInitialise(SVPPluginHandle handle, unsigned int channels, unsigned int stepSize, unsigned int blockSize); static void svpReset(SVPPluginHandle handle); static float svpGetParameter(SVPPluginHandle handle, int param); static void svpSetParameter(SVPPluginHandle handle, int param, float value); static unsigned int svpGetCurrentProgram(SVPPluginHandle handle); static void svpSelectProgram(SVPPluginHandle handle, unsigned int program); static unsigned int svpGetPreferredStepSize(SVPPluginHandle handle); static unsigned int svpGetPreferredBlockSize(SVPPluginHandle handle); static unsigned int svpGetMinChannelCount(SVPPluginHandle handle); static unsigned int svpGetMaxChannelCount(SVPPluginHandle handle); static unsigned int svpGetOutputCount(SVPPluginHandle handle); static SVPOutputDescriptor *svpGetOutputDescriptor(SVPPluginHandle handle, unsigned int i); static void svpReleaseOutputDescriptor(SVPOutputDescriptor *desc); static SVPFeatureList **svpProcess(SVPPluginHandle handle, float **inputBuffers, int sec, int nsec); static SVPFeatureList **svpGetRemainingFeatures(SVPPluginHandle handle); static void svpReleaseFeatureSet(SVPFeatureList **fs); void cleanup(FeatureExtractionPlugin *plugin); void checkOutputMap(FeatureExtractionPlugin *plugin); unsigned int getOutputCount(FeatureExtractionPlugin *plugin); SVPOutputDescriptor *getOutputDescriptor(FeatureExtractionPlugin *plugin, unsigned int i); SVPFeatureList **process(FeatureExtractionPlugin *plugin, float **inputBuffers, int sec, int nsec); SVPFeatureList **getRemainingFeatures(FeatureExtractionPlugin *plugin); SVPFeatureList **convertFeatures(const FeatureExtractionPlugin::FeatureSet &features); typedef std::map<const void *, FeatureExtractionPluginAdapterBase *> AdapterMap; static AdapterMap m_adapterMap; static FeatureExtractionPluginAdapterBase *lookupAdapter(SVPPluginHandle); bool m_populated; SVPPluginDescriptor m_descriptor; FeatureExtractionPlugin::ParameterList m_parameters; FeatureExtractionPlugin::ProgramList m_programs; typedef std::map<FeatureExtractionPlugin *, FeatureExtractionPlugin::OutputList *> OutputMap; OutputMap m_pluginOutputs; typedef std::map<FeatureExtractionPlugin *, SVPFeature ***> FeatureBufferMap; FeatureBufferMap m_pluginFeatures; }; template <typename Plugin> class FeatureExtractionPluginAdapter : public FeatureExtractionPluginAdapterBase { public: FeatureExtractionPluginAdapter() : FeatureExtractionPluginAdapterBase() { } ~FeatureExtractionPluginAdapter() { } protected: FeatureExtractionPlugin *createPlugin(float inputSampleRate) { Plugin *plugin = new Plugin(inputSampleRate); FeatureExtractionPlugin *fep = dynamic_cast<FeatureExtractionPlugin *>(plugin); if (!fep) { std::cerr << "ERROR: FeatureExtractionPlugin::createPlugin: " << "Plugin is not a feature extraction plugin" << std::endl; delete plugin; return 0; } return fep; } }; #endif