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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 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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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 #ifndef MOCK_WAVE_MODEL_H
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17 #define MOCK_WAVE_MODEL_H
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18
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19 #include "../DenseTimeValueModel.h"
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20
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21 #include <vector>
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22
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23 enum Sort {
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24 DC,
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25 Sine,
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26 Cosine,
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27 Nyquist,
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28 Dirac
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29 };
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30
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31 class MockWaveModel : public DenseTimeValueModel
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32 {
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33 Q_OBJECT
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34
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35 public:
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36 /** One Sort per channel! Length is in samples, and is in addition
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37 * to "pad" number of zero samples at the start and end */
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38 MockWaveModel(std::vector<Sort> sorts, int length, int pad);
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39
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40 virtual float getValueMinimum() const { return -1.f; }
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41 virtual float getValueMaximum() const { return 1.f; }
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42 virtual int getChannelCount() const { return int(m_data.size()); }
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43
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44 virtual floatvec_t getData(int channel, sv_frame_t start, sv_frame_t count) const;
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45 virtual std::vector<floatvec_t> getMultiChannelData(int fromchannel, int tochannel, sv_frame_t start, sv_frame_t count) const;
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46
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47 virtual bool canPlay() const { return true; }
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48 virtual QString getDefaultPlayClipId() const { return ""; }
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49
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50 virtual sv_frame_t getStartFrame() const { return 0; }
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51 virtual sv_frame_t getEndFrame() const { return m_data[0].size(); }
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52 virtual sv_samplerate_t getSampleRate() const { return 44100; }
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53 virtual bool isOK() const { return true; }
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54
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55 QString getTypeName() const { return tr("Mock Wave"); }
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56
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57 private:
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58 std::vector<std::vector<float> > m_data;
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59 std::vector<float> generate(Sort sort, int length, int pad) const;
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60 };
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61
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62 #endif
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