cb.h,v

EC的语音编解码

head	1.3;
access;
symbols;
locks; strict;
comment	@ * @;


1.3
date	96.12.05.16.56.38;	author ganapath;	state Exp;
branches;
next	1.2;

1.2
date	96.12.04.22.59.19;	author ganapath;	state Exp;
branches;
next	1.1;

1.1
date	96.11.05.12.18.40;	author picone;	state Exp;
branches;
next	;


desc
@initial version.
@


1.3
log
@removed stdio.h from include files.
@
text
@// file: cb.h
//
// this file defines a circular buffer class
//

// make sure definitions are only made once
//
#ifndef __CB
#define __CB

class Circular_buffer {

  //---------------------------------------------------------------------------
  //
  // protected data
  //
  //---------------------------------------------------------------------------
protected:

  // data information
  //
  int idx_d;
  int size_d;
  float *buf_d;

  //---------------------------------------------------------------------------
  //
  // public methods
  //
  //---------------------------------------------------------------------------
public:

  // constructors/destructors
  //
  Circular_buffer();
  ~Circular_buffer();

  // allocation
  //
  void allocate_cc(int num_elements);

  // indexing methods
  //
  int add_cc(float new_value);

  // overloaded operators
  //
  float operator() (int index);

  operator float() {return (float)buf_d[idx_d];}

  float& operator= (float value) {
    add_cc(value);
    return buf_d[idx_d];
  }

  //---------------------------------------------------------------------------
  //
  // private methods
  //
  //---------------------------------------------------------------------------
private:

  // none
};

//
// end of include file
#endif
@


1.2
log
@ included stdio.h
@
text
@a5 4
// system include files
//
#include <stdio.h>

@


1.1
log
@Initial revision
@
text
@d6 4
@