view data/model/test/MockWaveModel.h @ 1520:954d0cf29ca7 import-audio-data

Switch the normalisation option in WritableWaveFileModel from normalising on read to normalising on write, so that the saved file is already normalised and therefore can be read again without having to remember to normalise it

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 Chris Cannam.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef MOCK_WAVE_MODEL_H
#define MOCK_WAVE_MODEL_H

#include "../DenseTimeValueModel.h"

#include <vector>

enum Sort {
    DC,
    Sine,
    Cosine,
    Nyquist,
    Dirac
};

class MockWaveModel : public DenseTimeValueModel
{
    Q_OBJECT

public:
    /** One Sort per channel! Length is in samples, and is in addition
     * to "pad" number of zero samples at the start and end */
    MockWaveModel(std::vector<Sort> sorts, int length, int pad);

    virtual float getValueMinimum() const { return -1.f; }
    virtual float getValueMaximum() const { return  1.f; }
    virtual int getChannelCount() const { return int(m_data.size()); }
    
    virtual floatvec_t getData(int channel, sv_frame_t start, sv_frame_t count) const;
    virtual std::vector<floatvec_t> getMultiChannelData(int fromchannel, int tochannel, sv_frame_t start, sv_frame_t count) const;

    virtual bool canPlay() const { return true; }
    virtual QString getDefaultPlayClipId() const { return ""; }

    virtual sv_frame_t getStartFrame() const { return 0; }
    virtual sv_frame_t getEndFrame() const { return m_data[0].size(); }
    virtual sv_samplerate_t getSampleRate() const { return 44100; }
    virtual bool isOK() const { return true; }
    
    QString getTypeName() const { return tr("Mock Wave"); }

private:
    std::vector<std::vector<float> > m_data;
    std::vector<float> generate(Sort sort, int length, int pad) const;
};

#endif