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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 All rights reserved.
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8 */
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9
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10 #ifndef _TONALCHANGEDETECT_
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11 #define _TONALCHANGEDETECT_
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12
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13 #include <vamp-sdk/Plugin.h>
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14
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15 #include <dsp/chromagram/Chromagram.h>
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16 #include <dsp/tonal/TonalEstimator.h>
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17 #include <dsp/tonal/TCSgram.h>
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18
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19 #include <queue>
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20 #include <vector>
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21 #include <valarray>
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22
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23 class TonalChangeDetect : public Vamp::Plugin
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24 {
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25 public:
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26 TonalChangeDetect(float fInputSampleRate);
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27 virtual ~TonalChangeDetect();
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28
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29 bool initialise(size_t channels, size_t stepSize, size_t blockSize);
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30 void reset();
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31
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32 InputDomain getInputDomain() const { return TimeDomain; }
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33
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34 std::string getName() const;
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35 std::string getDescription() const;
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36 std::string getMaker() const;
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37 int getPluginVersion() const;
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38 std::string getCopyright() const;
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39
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40 ParameterList getParameterDescriptors() const;
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41 float getParameter(std::string) const;
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42 void setParameter(std::string, float);
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43
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44
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45 size_t getPreferredStepSize() const;
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46 size_t getPreferredBlockSize() const;
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47
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48 OutputList getOutputDescriptors() const;
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49
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50 FeatureSet process(const float *const *inputBuffers,
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51 Vamp::RealTime timestamp);
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52
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53 FeatureSet getRemainingFeatures();
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54
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55 private:
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56 void setupConfig();
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57
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58 ChromaConfig m_config;
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59 Chromagram *m_chromagram;
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60 TonalEstimator m_TonalEstimator;
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61 mutable size_t m_step;
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62 mutable size_t m_block;
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63 size_t m_stepDelay;
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64 std::queue<ChromaVector> m_pending;
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65 ChromaVector m_vaCurrentVector;
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66 TCSGram m_TCSGram;
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67
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68 private:
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69 int m_iSmoothingWidth; // smoothing window size
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70
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71 int m_minMIDIPitch; // chromagram parameters
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72 int m_maxMIDIPitch;
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73 float m_tuningFrequency;
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74
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75 };
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76
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77
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78 #endif // _TONALCHANGEDETECT_
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