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livetrax/libs/rubberband/src/Resampler.h

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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Rubber Band
An audio time-stretching and pitch-shifting library.
Copyright 2007-2008 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 _RUBBERBAND_RESAMPLER_H_
#define _RUBBERBAND_RESAMPLER_H_
#include <sys/types.h>
#include "sysutils.h"
namespace RubberBand {
class ResamplerImpl;
class Resampler
{
public:
enum Quality { Best, FastestTolerable, Fastest };
enum Exception { ImplementationError };
/**
* Construct a resampler with the given quality level and channel
* count. maxBufferSize gives a bound on the maximum incount size
* that may be passed to the resample function before the
* resampler needs to reallocate its internal buffers.
*/
Resampler(Quality quality, int channels, int maxBufferSize = 0,
int debugLevel = 0);
~Resampler();
int resample(const float *const R__ *const R__ in,
float *const R__ *const R__ out,
int incount,
float ratio,
bool final = false);
void reset();
protected:
ResamplerImpl *d;
int m_method;
};
}
#endif