poly.h

1、简介 此代码是IS0 13818-5 MPEG2系统层协议分析代码

/* Copyright (C) 1995, Tektronix Inc. All Rights Reserved.
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*/

/* Poly classes */
#ifndef poly_h
#define poly_h

typedef unsigned long CRC32;

class Poly
{
public:
  Poly ();
  void push_bit (char);
  int poly_cmp (char*);
  void print_bits ();
  unsigned char shift_reg[32];
private:
  CRC32	crc;
};

/*
 DOCUMENTATION

 Poly is used by InputPorts and OutputPorts for computing CRCs.  The
 32 bit polynomial specified in 13818-1 is "hardwired" into the code.
*/

#endif