comparison plugin/FeatureExtractionPluginHostAdapter.h @ 59:9705a1978ecc

* Sketch for host side of the plugin C++ <-> C bridge.  This will be simpler
  than the plugin side.

+/* -*- 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_HOST_ADAPTER_H_
+#define _FEATURE_EXTRACTION_PLUGIN_HOST_ADAPTER_H_
+
+#include "api/svp.h"
+
+#include "FeatureExtractionPlugin.h"
+
+class FeatureExtractionPluginHostAdapter : public FeatureExtractionPlugin
+{
+public:
+    FeatureExtractionPluginHostAdapter(const SVPPluginDescriptor *descriptor,
+                                       float inputSampleRate);
+    virtual ~FeatureExtractionPluginHostAdapter();
+
+    bool initialise(size_t channels, size_t stepSize, size_t blockSize);
+    void reset();
+
+    std::string getName() const;
+    std::string getDescription() const;
+    std::string getMaker() const;
+    int getPluginVersion() const;
+    std::string getCopyright() const;
+
+    ParameterList getParameterDescriptors() const;
+    float getParameter(std::string) const;
+    void setParameter(std::string, float);
+
+    ProgramList getPrograms() const;
+    std::string getCurrentProgram() const;
+    void selectProgram(std::string);
+
+    size_t getPreferredStepSize() const;
+    size_t getPreferredBlockSize() const;
+
+    OutputList getOutputDescriptors() const;
+
+    FeatureSet process(float **inputBuffers, RealTime timestamp);
+
+    FeatureSet getRemainingFeatures();
+
+protected:
+    const SVPPluginDescriptor *m_descriptor;
+    SVPPluginHandle m_handle;
+};
+
+#endif
+
+