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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 //!!! This guard inadequate, must be unique to plugin if plugin is to
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11 //be compilable in with app as well as being, well, a plugin
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12 #ifndef _CHROMAGRAM_PLUGIN_H_
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13 #define _CHROMAGRAM_PLUGIN_H_
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14
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15 #include "vamp-sdk/Plugin.h"
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16 #include "dsp/chromagram/Chromagram.h"
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17
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18 #include <queue>
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19
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20 class ChromagramPlugin : public Vamp::Plugin
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21 {
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22 public:
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23 ChromagramPlugin(float inputSampleRate);
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24 virtual ~ChromagramPlugin();
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25
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26 bool initialise(size_t channels, size_t stepSize, size_t blockSize);
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27 void reset();
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28
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29 InputDomain getInputDomain() const { return TimeDomain; }
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30
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31 std::string getName() const;
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32 std::string getDescription() const;
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33 std::string getMaker() const;
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34 int getPluginVersion() const;
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35 std::string getCopyright() const;
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36
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37 ParameterList getParameterDescriptors() const;
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38 float getParameter(std::string) const;
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39 void setParameter(std::string, float);
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40
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41 size_t getPreferredStepSize() const;
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42 size_t getPreferredBlockSize() const;
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43
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44 OutputList getOutputDescriptors() const;
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45
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46 FeatureSet process(float **inputBuffers, Vamp::RealTime timestamp);
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47
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48 FeatureSet getRemainingFeatures();
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49
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50 protected:
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51 int m_minMIDIPitch;
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52 int m_maxMIDIPitch;
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53 float m_tuningFrequency;
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54 bool m_normalized;
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55 int m_bpo;
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56
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57 void setupConfig();
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58
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59 ChromaConfig m_config;
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60 Chromagram *m_chromagram;
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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<Feature> m_pending;
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65
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66 Feature normalize(const Feature &);
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67 };
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68
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69
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70 #endif
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