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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 Copyright (C) 2006-2015 Paul Brossier <piem@aubio.org>
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7
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8 This file is part of vamp-aubio-plugins.
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9
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10 vamp-aubio is free software: you can redistribute it and/or modify
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11 it under the terms of the GNU General Public License as published by
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12 the Free Software Foundation, either version 3 of the License, or
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13 (at your option) any later version.
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14
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15 vamp-aubio is distributed in the hope that it will be useful,
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16 but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 GNU General Public License for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with aubio. If not, see <http://www.gnu.org/licenses/>.
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22
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23 */
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24
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25 #ifndef _MFCC_PLUGIN_H_
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26 #define _MFCC_PLUGIN_H_
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27
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28 #include <vamp-sdk/Plugin.h>
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29 #include <aubio/aubio.h>
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30
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31 #include "Types.h"
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32
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33 class Mfcc : public Vamp::Plugin
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34 {
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35 public:
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36 Mfcc(float inputSampleRate);
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37 virtual ~Mfcc();
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38
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39 bool initialise(size_t channels, size_t stepSize, size_t blockSize);
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40 void reset();
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41
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42 InputDomain getInputDomain() const { return TimeDomain; }
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43
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44 std::string getIdentifier() const;
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45 std::string getName() const;
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46 std::string getDescription() const;
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47 std::string getMaker() const;
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48 int getPluginVersion() const;
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49 std::string getCopyright() const;
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50
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51 ParameterList getParameterDescriptors() const;
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52 float getParameter(std::string) const;
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53 void setParameter(std::string, float);
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54
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55 size_t getPreferredStepSize() const;
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56 size_t getPreferredBlockSize() const;
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57
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58 OutputList getOutputDescriptors() const;
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59
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60 FeatureSet process(const float *const *inputBuffers,
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61 Vamp::RealTime timestamp);
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62
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63 FeatureSet getRemainingFeatures();
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64
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65 protected:
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66 fvec_t *m_ibuf;
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67 aubio_pvoc_t *m_pvoc;
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68 cvec_t *m_ispec;
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69 aubio_mfcc_t *m_mfcc;
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70 fvec_t *m_ovec;
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71
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72 size_t m_nfilters;
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73 size_t m_ncoeffs;
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74
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75 size_t m_stepSize;
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76 size_t m_blockSize;
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77 };
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78
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79
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80 #endif
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