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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 _BEAT_TRACK_PLUGIN_H_
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16 #define _BEAT_TRACK_PLUGIN_H_
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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 class BeatTrackerData;
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21
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22 class BeatTracker : public Vamp::Plugin
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23 {
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24 public:
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25 BeatTracker(float inputSampleRate);
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26 virtual ~BeatTracker();
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27
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28 bool initialise(size_t channels, size_t stepSize, size_t blockSize);
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29 void reset();
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30
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31 InputDomain getInputDomain() const { return FrequencyDomain; }
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32
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33 std::string getIdentifier() const;
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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 size_t getPreferredStepSize() const;
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45 size_t getPreferredBlockSize() const;
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46
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47 OutputList getOutputDescriptors() const;
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48
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49 FeatureSet process(const float *const *inputBuffers,
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50 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 BeatTrackerData *m_d;
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56 int m_method;
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57 int m_dfType;
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58
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59 // MEPD new protected parameters to allow the user to control these advanced parameters of the beat tracker
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60 double m_alpha;
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61 double m_tightness;
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62 double m_inputtempo;
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63 bool m_constraintempo;
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64
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65 bool m_whiten;
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66 static float m_stepSecs;
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67 FeatureSet beatTrackOld();
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68 FeatureSet beatTrackNew();
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69 };
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70
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71
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72 #endif
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