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https://github.com/miek/inspectrum.git
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43 lines
1.2 KiB
C++
43 lines
1.2 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 <complex>
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#include "samplesource.h"
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class InputSource : public SampleSource<std::complex<float>>
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{
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private:
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FILE *inputFile = nullptr;
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off_t fileSize = 0;
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off_t sampleCount = 0;
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std::complex<float> *mmapData = nullptr;
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public:
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InputSource();
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~InputSource();
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void cleanup();
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void openFile(const char *filename);
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std::unique_ptr<std::complex<float>[]> getSamples(off_t start, off_t length);
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off_t count() {
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return sampleCount;
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};
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};
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