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95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/*****************************************************************************
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* steim2.h
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*
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* Steim2 encoder
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*
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* (c) 2000 Andres Heinloo, GFZ Potsdam
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any later
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* version. For more information, see http://www.gnu.org/
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*
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* ================
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* Change log
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* ===============
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*
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* 01.01.2013 Adapted code to CAPS client library requirements (gempa GmbH)
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*****************************************************************************/
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#ifndef CAPS_MSEED_STEIM2_H
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#define CAPS_MSEED_STEIM2_H
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#include "encoder.h"
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#include "mseed.h"
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namespace Gempa {
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namespace CAPS {
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//*****************************************************************************
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// Steim2Frame
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//*****************************************************************************
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struct Steim2Frame {
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u_int32_t nibbleWord;
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u_int32_t sampleWord[15];
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};
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//*****************************************************************************
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// Steim2Encoder
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//*****************************************************************************
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template<typename T>
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class Steim2Encoder : public Encoder {
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public:
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Steim2Encoder(MSEEDFormat *format, int freqn, int freqd)
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: Encoder(freqn, freqd), _format(format), _frameCount(0)
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, _bp(0), _fp(0), _spw(4), _lastSample(0), _nibbleWord(0) {
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}
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virtual ~Steim2Encoder();
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virtual void flush();
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virtual void push(void *value);
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virtual int type() const { return DE_STEIM2; }
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private:
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void updateSpw(int bp);
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void store(int32_t value);
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void initPacket();
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void updatePacket();
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void finishPacket();
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MSEEDEncoderPacket<Steim2Frame> getPacket() {
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return _format->getPacket<Steim2Frame>(_clk.getTime(_bp),
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_clk.correction(), _timingQuality);
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}
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void queuePacket(MSEEDEncoderPacket<Steim2Frame> &pckt);
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int numberOfFrames(const MSEEDEncoderPacket<Steim2Frame> &packet) const {
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return (packet.datalen >> 6);
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}
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private:
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MSEEDFormat *_format;
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int _frameCount;
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int _bp;
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int _fp;
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int32_t _last_s;
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int _spw;
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int32_t _lastSample;
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int32_t _buf[8];
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u_int32_t _nibbleWord;
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MSEEDEncoderPacket<Steim2Frame> _currentPacket;
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};
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}
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}
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#include "steim2.ipp"
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#endif // __STEIM2_H__
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