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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 QM Vamp Plugin Set
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5
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6 Centre for Digital Music, Queen Mary, University of London.
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7
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8 This program is free software; you can redistribute it and/or
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9 modify it under the terms of the GNU General Public License as
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10 published by the Free Software Foundation; either version 2 of the
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11 License, or (at your option) any later version. See the file
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12 COPYING included with this distribution for more information.
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13 */
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14
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15 #ifndef _TONALCHANGEDETECT_
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16 #define _TONALCHANGEDETECT_
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17
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18 #include <vamp-sdk/Plugin.h>
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19
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20 #include <dsp/chromagram/Chromagram.h>
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21 #include <dsp/tonal/TonalEstimator.h>
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22 #include <dsp/tonal/TCSgram.h>
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23
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24 #include <queue>
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25 #include <vector>
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26 #include <valarray>
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27
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28 class TonalChangeDetect : public Vamp::Plugin
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29 {
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30 public:
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31 TonalChangeDetect(float fInputSampleRate);
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32 virtual ~TonalChangeDetect();
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33
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34 bool initialise(size_t channels, size_t stepSize, size_t blockSize);
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35 void reset();
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36
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37 InputDomain getInputDomain() const { return TimeDomain; }
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38
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39 std::string getIdentifier() const;
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40 std::string getName() const;
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41 std::string getDescription() const;
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42 std::string getMaker() const;
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43 int getPluginVersion() const;
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44 std::string getCopyright() const;
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45
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46 ParameterList getParameterDescriptors() const;
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47 float getParameter(std::string) const;
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48 void setParameter(std::string, float);
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49
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50
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51 size_t getPreferredStepSize() const;
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52 size_t getPreferredBlockSize() const;
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53
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54 OutputList getOutputDescriptors() const;
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55
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56 FeatureSet process(const float *const *inputBuffers,
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57 Vamp::RealTime timestamp);
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58
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59 FeatureSet getRemainingFeatures();
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60
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61 private:
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62 void setupConfig();
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63
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64 ChromaConfig m_config;
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65 Chromagram *m_chromagram;
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66 TonalEstimator m_TonalEstimator;
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67 mutable size_t m_step;
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68 mutable size_t m_block;
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69 size_t m_stepDelay;
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70 std::queue<ChromaVector> m_pending;
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71 ChromaVector m_vaCurrentVector;
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72 TCSGram m_TCSGram;
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73
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74 int m_iSmoothingWidth; // smoothing window size
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75 int m_minMIDIPitch; // chromagram parameters
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76 int m_maxMIDIPitch;
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77 float m_tuningFrequency;
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78
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79 Vamp::RealTime m_origin;
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80 bool m_haveOrigin;
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81 };
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82
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83
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84 #endif // _TONALCHANGEDETECT_
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