PluginSummarisingAdapter.h

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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
 
/*
    Vamp
 
    An API for audio analysis and feature extraction plugins.
 
    Centre for Digital Music, Queen Mary, University of London.
    Copyright 2006-2009 Chris Cannam and QMUL.
  
    Permission is hereby granted, free of charge, to any person
    obtaining a copy of this software and associated documentation
    files (the "Software"), to deal in the Software without
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    of the Software, and to permit persons to whom the Software is
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    The above copyright notice and this permission notice shall be
    included in all copies or substantial portions of the Software.
 
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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*/
 
#ifndef _VAMP_PLUGIN_SUMMARISING_ADAPTER_H_
#define _VAMP_PLUGIN_SUMMARISING_ADAPTER_H_
 
#include "hostguard.h"
#include "PluginWrapper.h"
 
#include <set>
 
_VAMP_SDK_HOSTSPACE_BEGIN(PluginSummarisingAdapter.h)
 
namespace Vamp {
 
namespace HostExt {
 
class PluginSummarisingAdapter : public PluginWrapper
{
public:
    PluginSummarisingAdapter(Plugin *plugin); 
    virtual ~PluginSummarisingAdapter();
 
    bool initialise(size_t channels, size_t stepSize, size_t blockSize);
 
    void reset();
 
    FeatureSet process(const float *const *inputBuffers, RealTime timestamp);
    FeatureSet getRemainingFeatures();
 
    typedef std::set<RealTime> SegmentBoundaries;
 
    void setSummarySegmentBoundaries(const SegmentBoundaries &);
 
    enum SummaryType {
        Minimum            = 0,
        Maximum            = 1,
        Mean               = 2,
        Median             = 3,
        Mode               = 4,
        Sum                = 5,
        Variance           = 6,
        StandardDeviation  = 7,
        Count              = 8,
 
        UnknownSummaryType = 999
    };
 
    enum AveragingMethod {
        SampleAverage         = 0,
        ContinuousTimeAverage = 1
    };
 
    FeatureList getSummaryForOutput(int output,
                                    SummaryType type,
                                    AveragingMethod method = SampleAverage);
 
    FeatureSet getSummaryForAllOutputs(SummaryType type,
                                       AveragingMethod method = SampleAverage);
 
protected:
    class Impl;
    Impl *m_impl;
};
 
}
 
}
 
_VAMP_SDK_HOSTSPACE_END(PluginSummarisingAdapter.h)
 
#endif