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34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
/*
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* Copyright (C) 2016, Mike Walters <mike@flomp.net>
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*
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* This file is part of inspectrum.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "threshold.h"
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Threshold::Threshold(SampleSource<float> *src) : SampleBuffer(src)
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{
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}
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void Threshold::work(void *input, void *output, int count, off_t sampleid)
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{
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auto in = static_cast<float*>(input);
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auto out = static_cast<float*>(output);
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std::transform(in, in + count, out,
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[](float s) { return (s > 0) ? 1.0f : 0.0f; });
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}
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