52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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Rubber Band
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An audio time-stretching and pitch-shifting library.
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Copyright 2007 Chris Cannam.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#ifndef _RUBBERBAND_TIMESTRETCHER_H_
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#define _RUBBERBAND_TIMESTRETCHER_H_
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#include <sys/types.h>
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namespace RubberBand
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{
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class TimeStretcher
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{
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public:
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TimeStretcher(size_t sampleRate, size_t channels) :
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m_sampleRate(sampleRate),
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m_channels(channels)
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{ }
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virtual ~TimeStretcher()
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{ }
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virtual void reset() = 0;
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virtual void setTimeRatio(double ratio) = 0;
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virtual size_t getLatency() const = 0;
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virtual void study(const float *const *input, size_t samples, bool final) = 0;
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virtual size_t getSamplesRequired() const = 0; // to cause processing to happen
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virtual void process(const float *const *input, size_t samples, bool final) = 0;
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virtual int available() const = 0;
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virtual size_t retrieve(float *const *output, size_t samples) const = 0;
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protected:
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size_t m_sampleRate;
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size_t m_channels;
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};
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}
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#endif
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