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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 Vamp feature extraction plugins using Paul Brossier's Aubio library.
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5
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006 Chris Cannam.
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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
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17 #ifndef _TEMPO_PLUGIN_H_
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18 #define _TEMPO_PLUGIN_H_
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19
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20 #include <vamp-sdk/Plugin.h>
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21 #include <aubio/aubio.h>
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22
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23 class Tempo : public Vamp::Plugin
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24 {
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25 public:
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26 Tempo(float inputSampleRate);
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27 virtual ~Tempo();
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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 getIdentifier() const;
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35 std::string getName() const;
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36 std::string getDescription() const;
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37 std::string getMaker() const;
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38 int getPluginVersion() const;
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39 std::string getCopyright() const;
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40
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41 ParameterList getParameterDescriptors() const;
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42 float getParameter(std::string) const;
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43 void setParameter(std::string, float);
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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, Vamp::RealTime timestamp);
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51
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52 FeatureSet getRemainingFeatures();
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53
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54 protected:
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55 fvec_t *m_ibuf;
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56 cvec_t *m_fftgrain;
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57 fvec_t *m_onset;
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58 aubio_pvoc_t *m_pv;
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59 aubio_pickpeak_t *m_peakpick;
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60 aubio_onsetdetection_t *m_onsetdet;
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61 aubio_onsetdetection_type m_onsettype;
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62 aubio_beattracking_t *m_beattracking;
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63 fvec_t *m_dfframe;
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64 fvec_t *m_btout;
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65 uint_t m_winlen;
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66 sint_t m_btstep;
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67 sint_t m_btcounter;
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68 float m_threshold;
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69 float m_silence;
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70 size_t m_stepSize;
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71 size_t m_blockSize;
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72 size_t m_channelCount;
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73 Vamp::RealTime m_delay;
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74 Vamp::RealTime m_lastBeat;
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75 };
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76
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77
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78 #endif
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