TwoBitCorrection.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2002 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// dspsr/Kernel/Classes/dsp/TwoBitCorrection.h
 
#ifndef __TwoBitCorrection_h
#define __TwoBitCorrection_h
 
#include "dsp/ExcisionUnpacker.h"
#include "dsp/TwoBitFour.h"
 
#include "environ.h"
#include <vector>
 
namespace dsp {
 
  class TwoBitTable;
 
 
  class TwoBitCorrection: public ExcisionUnpacker
  {
 
  public:
 
    TwoBitCorrection (const char* name = "TwoBitCorrection");
 
    virtual ~TwoBitCorrection ();
 
    class Config;
    
    void set_dynamic_output_level_setting (bool flag = true);
 
    virtual double get_optimal_variance ();
 
    void set_threshold (float threshold);
 
    float get_threshold () const { return ja98.get_threshold(); }
 
    void set_table (TwoBitTable* table);
 
    const TwoBitTable* get_table () const;
 
    static TwoBitCorrection* create (const BitSeries& input,
                                     unsigned ndat_per_weight = 0,
                                     float cutoff_rms = 3.0);
 
  protected:
 
    bool dynamic_output_level_setting;
 
    void build ();
 
    virtual unsigned get_ndig_per_byte () const;
 
    virtual void dig_unpack (const unsigned char* input_data, 
                             float* output_data,
                             uint64_t ndat,
                             unsigned long* hist,
                             unsigned* weights = 0,
                             unsigned nweights = 0);
 
    Reference::To<TwoBitTable> table;
 
    virtual TwoBitLookup* get_unpacker () { return &unpacker; }
 
    TwoBitFour unpacker;
 
  };
  
}
 
#endif