PScrunch.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
#ifndef __baseband_dsp_PScrunch_h
#define __baseband_dsp_PScrunch_h
 
#include "dsp/Transformation.h"
#include "dsp/TimeSeries.h"
 
#include <vector>
 
namespace dsp
{
  class PScrunch : public Transformation<TimeSeries,TimeSeries>
  {
 
  public:
 
    PScrunch ();
 
    void set_output_state(Signal::State state);
 
    void prepare();
 
    void prepare_output();
 
    void transformation ();
 
    class Engine;
 
    void set_engine (Engine*);
 
  protected:
 
    Reference::To<Engine> engine;
 
  private:
 
    unsigned output_npol;
 
    Signal::State state;
 
  };
 
  class PScrunch::Engine : public OwnStream
  {
  public:
 
    virtual void setup () = 0;
 
    virtual void fpt_pscrunch (const dsp::TimeSeries * in,
                               dsp::TimeSeries * out) = 0;
 
    virtual void tfp_pscrunch (const dsp::TimeSeries* in,
                               dsp::TimeSeries* out) = 0;
 
   };
 
}
 
#endif