www.pudn.com > shine.zip > huffman.h

//    Shine is an MP3 encoder 
//    Copyright (C) 1999-2000  Gabriel Bouvigne 
// 
//    This library is free software; you can redistribute it and/or 
//    modify it under the terms of the GNU Library General Public 
//    License as published by the Free Software Foundation; either 
//    version 2 of the License, or (at your option) any later version. 
// 
//    This library is distributed in the hope that it will be useful, 
//    but WITHOUT ANY WARRANTY; without even the implied warranty of 
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
//    Library General Public License for more details. 
 
 
#include "bitstream.h" 
 
#define HUFFBITS unsigned long int 
#define HTN	34 
#define MXOFF	250 
  
struct huffcodetab { 
  unsigned int xlen; 	/*max. x-index+			      	*/  
  unsigned int ylen;	/*max. y-index+				*/ 
  unsigned int linbits; /*number of linbits			*/ 
  unsigned int linmax;	/*max number to be stored in linbits	*/ 
  HUFFBITS *table;	/*pointer to array[xlen][ylen]		*/ 
  unsigned char *hlen;	/*pointer to array[xlen][ylen]		*/ 
}; 
 
extern struct huffcodetab ht[HTN];/* global memory block		*/ 
				/* array of all huffcodtable headers	*/ 
				/* 0..31 Huffman code table 0..31	*/ 
				/* 32,33 count1-tables			*/