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41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/*
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* Copyright (C) 2015, 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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#pragma once
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#include "fft.h"
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#include <fftw3.h>
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#include <memory>
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class InputSource
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{
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private:
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FILE *m_file;
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off_t m_file_size;
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off_t sampleCount;
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fftwf_complex *m_data;
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public:
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InputSource(const char *filename);
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~InputSource();
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bool getSamples(fftwf_complex *dest, off_t start, int length);
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off_t getSampleCount() { return sampleCount; };
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};
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