SincResampler.h
/*
* This file is part of libsidplayfp, a SID player engine.
*
* Copyright 2011-2013 Leandro Nini <drfiemost@users.sourceforge.net>
* Copyright 2007-2010 Antti Lankila
* Copyright 2004 Dag Lem <resid@nimrod.no>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef SINCRESAMPLER_H
#define SINCRESAMPLER_H
#include "Resampler.h"
#include <string>
#include <map>
#include "../array.h"
namespace reSIDfp
{
class SincResampler : public Resampler
{
private:
static const int RINGSIZE = 2048;
private:
matrix_t* firTable;
int sampleIndex;
int firRES;
int firN;
const int cyclesPerSample;
int sampleOffset;
int outputValue;
short sample[RINGSIZE * 2];
private:
int fir(int subcycle);
public:
SincResampler(double clockFrequency, double samplingFrequency, double highestAccurateFrequency);
bool input(int input);
int output() const { return outputValue; }
void reset();
};
} // namespace reSIDfp
#endif
reSIDfp::Resampler
Definition: Resampler.h:32
reSIDfp::SincResampler::input
bool input(int input)
Definition: SincResampler.cpp:240
reSIDfp::SincResampler
Definition: SincResampler.h:51
reSIDfp::SincResampler::SincResampler
SincResampler(double clockFrequency, double samplingFrequency, double highestAccurateFrequency)
Definition: SincResampler.cpp:145
array
Definition: array.h:41