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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.
*/
#include "SilentAudioCurve.h"
#include <cmath>
namespace RubberBand
{
SilentAudioCurve::SilentAudioCurve(size_t sampleRate, size_t windowSize) :
AudioCurve(sampleRate, windowSize)
{
}
SilentAudioCurve::~SilentAudioCurve()
{
}
void
SilentAudioCurve::reset()
{
}
void
SilentAudioCurve::setWindowSize(size_t newSize)
{
m_windowSize = newSize;
}
float
SilentAudioCurve::process(const float *R__ mag, size_t)
{
const int hs = m_windowSize / 2;
static float threshold = powf(10.f, -6);
for (int i = 0; i <= hs; ++i) {
if (mag[i] > threshold) return 0.f;
}
return 1.f;
}
float
SilentAudioCurve::processDouble(const double *R__ mag, size_t)
{
const int hs = m_windowSize / 2;
static double threshold = pow(10.0, -6);
for (int i = 0; i <= hs; ++i) {
if (mag[i] > threshold) return 0.f;
}
return 1.f;
}
}
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