states.hpp

jpeg and mpeg 编解码技术源代码

/* $Id: states.hpp,v 1.3 2001/04/30 20:45:30 dmackie Exp $ */

/****************************************************************************/
/*   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])                        */
/*                                                                          */
/*   OKI, Sharp, Sarnoff, TI and Microsoft contributed to bitstream         */
/*   exchange and bug fixing.                                               */
/*                                                                          */
/*                                                                          */
/* 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.                                        */
/*                                                                          */
/* The copyright of this software belongs to ISO/IEC. ISO/IEC gives use     */
/* of the MPEG-4 standard free license to use this  software module or      */
/* modifications thereof for hardware or software products claiming         */
/* conformance to the MPEG-4 standard.                                      */
/*                                                                          */
/* Those intending to use this software module in hardware or software      */
/* products are advised that use may infringe existing  patents. The        */
/* original developers of this software module and their companies, the     */
/* subsequent editors and their companies, and ISO/IEC have no liability    */
/* and ISO/IEC have no liability for use of this software module or         */
/* modification thereof in an implementation.                               */
/*                                                                          */
/* Permission is granted to MPEG members to use, copy, modify,              */
/* and distribute the software modules ( or portions thereof )              */
/* for standardization activity within ISO/IEC JTC1/SC29/WG11.              */
/*                                                                          */
/* Copyright 1995, 1996, 1997, 1998 ISO/IEC                                 */
/****************************************************************************/

/************************************************************/
/*     Sarnoff Very Low Bit Rate Still Image Coder          */
/*     Copyright 1995, 1996, 1997, 1998 Sarnoff Corporation */
/************************************************************/


#ifndef STATES_H


/* DC */
#define S_DC          0 /* DC coefficient.                 */

/* AC Non-Leaf Code Types */
#define S_INIT        1 /* First pass                      */
#define S_ZTR         2 /* Last pass was !Sig & !DSig      */
#define S_ZTR_D       3 /* Last pass was descendent of ZTR */
#define S_IZ          4 /* Last pass was !Sig &  DSig      */

/* AC Non-Leaf Don't Code Types (implied) */
#define S_VZTR        6 /* Last pass was  Sig & !DSig      */
#define S_VAL         7 /* Last pass was  Sig &  DSig      */

/* AC Leaf Code Types */
#define S_LINIT       8 /* First pass                      */
#define S_LZTR        9 /* Last pass was !Sig              */
#define S_LZTR_D     10 /* Last pass was descendent of ZTR */

/* AC Leaf Don't Code Types (implied) */
#define S_LVZTR      11 /* Last pass was  Sig              */


#endif /* STATES_H */