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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
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5
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6 An API for audio analysis and feature extraction plugins.
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7
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8 Centre for Digital Music, Queen Mary, University of London.
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9 Copyright 2006-2007 QMUL.
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10
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11 Permission is hereby granted, free of charge, to any person
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12 obtaining a copy of this software and associated documentation
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13 files (the "Software"), to deal in the Software without
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14 restriction, including without limitation the rights to use, copy,
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15 modify, merge, publish, distribute, sublicense, and/or sell copies
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16 of the Software, and to permit persons to whom the Software is
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17 furnished to do so, subject to the following conditions:
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18
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19 The above copyright notice and this permission notice shall be
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20 included in all copies or substantial portions of the Software.
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21
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22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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23 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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24 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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25 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
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26 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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27 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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28 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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29
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30 Except as contained in this notice, the names of the Centre for
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31 Digital Music; Queen Mary, University of London; and Chris Cannam
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32 shall not be used in advertising or otherwise to promote the sale,
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33 use or other dealings in this Software without prior written
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34 authorization.
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35 */
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36
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37 #ifndef _GETMODE_PLUGIN_H_
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38 #define _GETMODE_PLUGIN_H_
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39
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40 #include <vamp-sdk/Plugin.h>
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41
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42 #include <dsp/keydetection/GetKeyMode.h>
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43
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44 class KeyDetector : public Vamp::Plugin
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45 {
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46 public:
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47 KeyDetector(float inputSampleRate);
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48 virtual ~KeyDetector();
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49
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50 bool initialise(size_t channels, size_t stepSize, size_t blockSize);
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51 void reset();
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52
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53 InputDomain getInputDomain() const { return TimeDomain; }
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54
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55 std::string getIdentifier() const;
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56 std::string getName() const;
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57 std::string getDescription() const;
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58 std::string getMaker() const;
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59 int getPluginVersion() const;
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60 std::string getCopyright() const;
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61
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62 ParameterList getParameterDescriptors() const;
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63 float getParameter(std::string) const;
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64 void setParameter(std::string, float);
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65
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66 OutputList getOutputDescriptors() const;
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67
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68 FeatureSet process(const float *const *inputBuffers,
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69 Vamp::RealTime timestamp);
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70
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71 FeatureSet getRemainingFeatures();
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72
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73 size_t getPreferredStepSize() const;
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74 size_t getPreferredBlockSize() const;
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75
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76 protected:
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77 mutable size_t m_stepSize;
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78 mutable size_t m_blockSize;
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79 float m_tuningFrequency;
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80 int m_length;
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81
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82 std::string getKeyName(int index, bool minor, bool includeMajMin) const;
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83
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84 GetKeyMode* m_getKeyMode;
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85 double* m_inputFrame;
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86 int m_prevKey;
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87 };
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88
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89
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90 #endif
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