mirror of
https://github.com/JvanKatwijk/dabradio
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65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
#
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/*
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* Copyright (C) 2013 .. 2017
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* Jan van Katwijk (J.vanKatwijk@gmail.com)
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* Lazy Chair Programming
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*
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* This file is part of the Qt-DAB program
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* Qt-DAB 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 2 of the License, or
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* (at your option) any later version.
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*
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* Qt-DAB 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 Qt-DAB; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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//
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// For the different formats for input, we have
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// different readers, with one "mother" reader.
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// Note that the cardreader is quite different here
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#ifndef __VIRTUAL_READER__
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#define __VIRTUAL_READER__
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#include <stdint.h>
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#include <stdio.h>
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#include "ringbuffer.h"
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#include "dab-constants.h"
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//
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// The virtualReader is the mother of the readers.
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// The cardReader is slighty different, however
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// made fitting the framework
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class virtualReader {
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protected:
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RingBuffer<std::complex<float>> *theBuffer;
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int32_t blockSize;
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public:
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virtualReader (RingBuffer<std::complex<float>> *p,
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int32_t rate);
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virtual ~virtualReader (void);
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virtual void restartReader (int32_t s);
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virtual void stopReader (void);
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virtual void processData (float IQoffs, void *data, int cnt);
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virtual int16_t bitDepth (void);
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protected:
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int32_t base;
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void convertandStore (std::complex<float> *, int32_t);
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private:
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void setMapper (int32_t, int32_t);
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float *mapTable;
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int16_t conv;
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int16_t inSize;
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int16_t outSize;
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std::complex<float> *inTable;
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std::complex<float> *outTable;
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};
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#endif
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