/* huffman.h	Adapted from the ISO MPEG Audio Subgroup Software Simulation   Group's public c source for its MPEG audio decoder. Miscellaneous   changes by Jeff Tsay (ctsay@pasteur.eecs.berkeley.edu).   Last modified : 04/19/97 *//**********************************************************************Copyright (c) 1991 MPEG/audio software simulation group, All Rights Reservedhuffman.h**********************************************************************//********************************************************************** * MPEG/audio coding/decoding software, work in progress              * *   NOT for public distribution until verified and approved by the   * *   MPEG/audio committee.  For further information, please contact   * *   Davis Pan, 508-493-2241, e-mail: pan@3d.enet.dec.com             * *                                                                    * * VERSION 4.1                                                        * *   changes made since last update:                                  * *   date   programmers                comment                        * *  27.2.92 F.O.Witte (ITT Intermetall)				                   * *  8/24/93 M. Iwadare          Changed for 1 pass decoding.          * *  7/14/94 J. Koller		useless 'typedef' before huffcodetab  		 * *				removed				      											 * *********************************************************************/#ifndef HUFFMAN_H#define HUFFMAN_H#include "all.h"#include "bit_res.h"#define HUFFBITS uint32#define HTN	34#define MXOFF	250struct huffcodetab {  char tablename[3];			/* string, containing table_description   */  uint32 xlen; 				/* max. x-index+			      	         */  uint32 ylen;	            /* max. y-index+				               */  uint32 linbits; 			/* number of linbits			               */  uint32 linmax;				/* max number to be stored in linbits	   */  int32 ref;					/* a positive value indicates a reference */  HUFFBITS *table;			/* pointer to array[xlen][ylen]		      */  unsigned char *hlen;		/* pointer to array[xlen][ylen]		      */  unsigned char(*val)[2];	/* decoder tree				               */  uint32 treelen;				/* length of decoder tree		            */};extern struct huffcodetab ht[HTN];int32 huffman_decoder(struct huffcodetab *h, int32 *x, int32 *y, int32 *v,                      int32 *w, Bit_Reserve *br);#endif