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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 * SegmenterPlugin.h
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5 *
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6 * Created by Mark Levy on 24/03/2006.
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7 * Copyright 2006 Centre for Digital Music, Queen Mary, University of London.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #ifndef _SEGMENTER_PLUGIN_H_
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17 #define _SEGMENTER_PLUGIN_H_
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18
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19 #include <vamp-sdk/Plugin.h>
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20 #include <vamp-sdk/RealTime.h>
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21 #include "dsp/segmentation/Segmenter.h"
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22 #include "dsp/segmentation/segment.h"
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23
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24 class Decimator;
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25
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26 class SegmenterPlugin : public Vamp::Plugin
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27 {
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28 public:
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29 SegmenterPlugin(float inputSampleRate);
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30 virtual ~SegmenterPlugin();
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31
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32 bool initialise(size_t channels, size_t stepSize, size_t blockSize);
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33 void reset();
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34
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35 std::string getIdentifier() const;
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36 std::string getName() const;
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37 std::string getDescription() const;
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38 std::string getMaker() const;
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39 int getPluginVersion() const;
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40 std::string getCopyright() const;
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41
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42 size_t getPreferredStepSize() const;
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43 size_t getPreferredBlockSize() const;
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44 InputDomain getInputDomain() const { return TimeDomain; }
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45
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46 SegmenterPlugin::ParameterList getParameterDescriptors() const;
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47 float getParameter(std::string param) const;
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48 void setParameter(std::string param, float value);
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49
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50 OutputList getOutputDescriptors() const;
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51
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52 FeatureSet process(const float *const *inputBuffers, Vamp::RealTime timestamp);
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53
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54 FeatureSet getRemainingFeatures();
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55
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56 protected:
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57 mutable Segmenter* segmenter;
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58 mutable int hopsize;
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59 mutable int windowsize;
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60 mutable float neighbourhoodLimit; // in sec
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61 int nSegmentTypes;
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62 feature_types featureType; // 1 = constant-Q, 2 = chroma
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63 Vamp::RealTime m_endTime;
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64
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65 void makeSegmenter() const;
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66 };
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67
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68 #endif
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69
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