pezw_functions.hpp

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/****************************************************************************/
/*   MPEG4 Visual Texture Coding (VTC) Mode Software                        */
/*                                                                          */
/*   This software was jointly developed by the following participants:     */
/*                                                                          */
/*   Single-quant,  multi-quant and flow control                            */
/*   are provided by  Sarnoff Corporation                                   */
/*     Iraj Sodagar   ([e-mail])                                    */
/*     Hung-Ju Lee    ([e-mail])                                   */
/*     Paul Hatrack   ([e-mail])                                 */
/*     Shipeng Li     ([e-mail])                                 */
/*     Bing-Bing Chai ([e-mail])                                   */
/*     B.S. Srinivas  ([e-mail])                               */
/*                                                                          */
/*   Bi-level is provided by Texas Instruments                              */
/*     Jie Liang      ([e-mail])                                        */
/*                                                                          */
/*   Shape Coding is provided by  OKI Electric Industry Co., Ltd.           */
/*     Zhixiong Wu    ([e-mail])                                 */
/*     Yoshihiro Ueda ([e-mail])                               */
/*     Toshifumi Kanamaru ([e-mail])                        */
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/*   OKI, Sharp, Sarnoff, TI and Microsoft contributed to bitstream         */
/*   exchange and bug fixing.                                               */
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/* In the course of development of the MPEG-4 standard, this software       */
/* module is an implementation of a part of one or more MPEG-4 tools as     */
/* specified by the MPEG-4 standard.                                        */
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/* conformance to the MPEG-4 standard.                                      */
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/* Copyright 1995, 1996, 1997, 1998 ISO/IEC                                 */
/****************************************************************************/

/****************************************************************************/
/*     Texas Instruments Predictive Embedded Zerotree (PEZW) Image Codec    */
/*	   Developed by Jie Liang ([e-mail])                                */
/*													                        */ 
/*     Copyright 1996, 1997, 1998 Texas Instruments	      		            */
/****************************************************************************/

/****************************************************************************
   File name:         PEZW_functions.h
   Author:            Jie Liang  ([e-mail])
   Functions:         functions prototypes for PEZW module.
   Revisions:         v1.0 (10/04/98)
*****************************************************************************/

#ifndef PEZW_FUNCTIONS
#define PEZW_FUNCTIONS
#include <PEZW_mpeg4.hpp>
#include <wvtPEZW.hpp>

/* from wvtpezw_tree_decode.c */
void PEZW_tree_decode (int band,WINT *wvt_tree,int *snr_weight);
void PEZW_decode_block (WINT **coeffsBlk, Int width, Int height);

/* from wvtpezw_tree_init_decode.c */
void PEZW_decode_init (Int levels, Int Imgwidth, Int Imgheight);
void PEZW_decode_done ();
void setbuffer_PEZW_decode ();
void reset_PEZW_decode ();

/* from wvtpezw_tree_encode.c */
void PEZW_encode_block (WINT **coeffsBlk,int width, int height);
void PEZW_tree_encode (int band,WINT *wvt_tree);

/* from wvtpezw_tree_init_encode.c */
void PEZW_encode_init (Int levels, Int Imgwidth, Int Imgheight);
void PEZW_encode_done ();
void setbuffer_PEZW_encode ();
void reset_PEZW_encode ();

#endif