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1
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2 // This is a skeleton file for use in creating your own plugin
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3 // libraries. Replace MyPlugin and myPlugin throughout with the name
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4 // of your first plugin class, and fill in the gaps as appropriate.
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5
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6
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7 // Remember to use a different guard symbol in each header!
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8 #ifndef _TEMPOGRAM_H_
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9 #define _TEMPOGRAM_H_
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10
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11 #include <vamp-sdk/Plugin.h>
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12
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13 using std::string;
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14 using std::vector;
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15
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16 class Tempogram : public Vamp::Plugin
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17 {
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18 public:
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19 Tempogram(float inputSampleRate);
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20 virtual ~Tempogram();
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21
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22 string getIdentifier() const;
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23 string getName() const;
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24 string getDescription() const;
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25 string getMaker() const;
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26 int getPluginVersion() const;
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27 string getCopyright() const;
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28
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29 InputDomain getInputDomain() const;
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30 size_t getPreferredBlockSize() const;
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31 size_t getPreferredStepSize() const;
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32 size_t getMinChannelCount() const;
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33 size_t getMaxChannelCount() const;
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34
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35 ParameterList getParameterDescriptors() const;
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36 float getParameter(string identifier) const;
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37 void setParameter(string identifier, float value);
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38
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39 ProgramList getPrograms() const;
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40 string getCurrentProgram() const;
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41 void selectProgram(string name);
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42
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43 OutputList getOutputDescriptors() const;
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44
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45 bool initialise(size_t channels, size_t stepSize, size_t blockSize);
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46 void initialiseForGRF();
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47 void cleanupForGRF();
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48 vector<float> spectrogramToNoveltyCurve(vector<float> spectrogramData, int numberOfBlocks, int blockSize, float samplingFrequency, FeatureSet * featureSet = NULL);
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49 void reset();
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50
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51 FeatureSet process(const float *const *inputBuffers,
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52 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 // plugin-specific data and methods go here
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58 size_t m_blockSize;
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59 size_t m_stepSize;
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60 float compressionConstant;
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61 float specMax;
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62 float *previousY;
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63 float *currentY;
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64 vector<float> specData;
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65 vector<float> noveltyCurve;
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66 float minDB;
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67
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68 unsigned int tN;
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69 unsigned int thopSize;
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70 double * fftInput;
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71 double * fftOutputReal;
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72 double * fftOutputImag;
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73
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74 int numberOfBlocks;
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75 int hannN;
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76 float *hannWindow;
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77 float *hannWindowtN;
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78
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79 vector<Vamp::RealTime> ncTimestamps;
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80 };
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81
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82
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83 #endif
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