RDATSlopeDecoder.h

//
// Copyright 2018, Jeremy Cooper
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
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#ifndef RDAT_SLOPE_DECODER_H
#define RDAT_SLOPE_DECODER_H

#include "SampleWindow.h"
#include "DifferentialClockDetector.h"
#include "SymbolDecoder.h"

class RDATSlopeDecoder {
public:
  RDATSlopeDecoder(float sampleRate);
  ~RDATSlopeDecoder();

  void SetSymbolDecoder(SymbolDecoder *);
  void Reset();
  void Process(float *samples, size_t count);
  void Stop();

protected:
#if 1
  size_t mSampleNumber;
#endif

  const size_t mkSamplesPerSymbol;

  DifferentialClockDetector mClockDetector;

  SampleWindow mSymbolWindow;

  const size_t mTrackDuration;
  size_t mTrackSampleCount;
  bool mTrackInProgress;

  const float mAlpha;
  float mOverallSignalLevel;

  SymbolDecoder *mDecoder;
};

#endif