WaveformOversampler.h

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/* -*- 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 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 SV_WAVEFORM_OVERSAMPLER_H
#define SV_WAVEFORM_OVERSAMPLER_H

#include "base/BaseTypes.h"

class DenseTimeValueModel;

class WaveformOversampler
{
public:
    static floatvec_t getOversampledData(const DenseTimeValueModel &source,
                                         int channel,
                                         sv_frame_t sourceStartFrame,
                                         sv_frame_t sourceFrameCount,
                                         int oversampleBy);

private:
    static floatvec_t getFixedRatioData(const DenseTimeValueModel &source,
                                        int channel,
                                        sv_frame_t sourceStartFrame,
                                        sv_frame_t sourceFrameCount);
    
    static int m_filterRatio;
    static floatvec_t m_filter;
};

#endif