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Interframe EZBC/EZBC0a/inc/context_status_consts.h

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+/* ========================================================================= */
+/* Description: definition and configuration of EZBC                         */
+/* Notes: modified from ebcot_constants.h                                    */
+/* Author: Shih-Ta Hsiang                                                    */
+/* Version: v0.a                                                             */
+/* Last Revised: Aug. 15, 2000                                               */
+/* ========================================================================= */
+
+/* ========================================================================= */
+/*****************************************************************************/
+/* Copyright 1998, Hewlett-Packard Company                                   */
+/* All rights reserved                                                       */
+/* File: "ebcot_constants.h"                                                 */
+/* Description: Constants which configure the EBCOT encoder and decoder      */
+/* Author: David Taubman                                                     */
+/* Affiliation: Hewlett-Packard and                                          */
+/*              The University of New South Wales, Australia                 */
+/* Version: V3.1A                                                            */
+/* Last Revised: 14 January, 1999                                            */
+/*****************************************************************************/
+#ifndef _CONTEXT_CONSTANTS_H
+#define _CONTEXTCONSTANTS_H
+#include <ifc.h>
+
+/* ========================================================================= */
+/* ---------------------------- Context Assignment ------------------------- */
+/* ========================================================================= */
+
+#define TL_POS    0             /* Bit-pos for significance of top-left neighbour        */
+#define TC_POS    1             /* Bit-pos for significance of top-centre neighbour      */
+
+#define TC2_POS   2             /*2nd Bit_pos for significance of top-centre neighbour   */
+
+#define TR_POS    3             /* Bit-pos for significance of top-right neighbour       */
+#define CL_POS    4             /* Bit-pos for significance of centre-left neighbour     */
+#define CL2_POS   5             /*2nd Bit-pos for significance of centre-left neighbour  */
+#define CR_POS    6             /* Bit-pos for significance of centre-right neighbour    */
+#define CR2_POS   7             /*2nd Bit-pos for significance of centre-right neighbour */
+#define BL_POS    8             /* Bit-pos for significance of bottom-left neighbour     */
+#define BC_POS    9             /* Bit-pos for significance of bottom-centre neighbour   */
+#define BC2_POS  10             /*2nd Bit-pos for significance of bottom-centre neighbour */
+#define BR_POS   11             /* Bit-pos for significance of bottom-right neighbour    */
+
+#define OUT_OF_BOUNDS_POS 15    /* May be used to identify context words which
+                                   lie beyond the boundaries of the code block */
+
+#define TL_SIG        ((std_short)(1<<TL_POS))
+#define TC_SIG        ((std_short)(1<<TC_POS))
+#define TR_SIG        ((std_short)(1<<TR_POS))
+#define CL_SIG        ((std_short)(1<<CL_POS))
+#define CR_SIG        ((std_short)(1<<CR_POS))
+#define BL_SIG        ((std_short)(1<<BL_POS))
+#define BC_SIG        ((std_short)(1<<BC_POS))
+#define BR_SIG        ((std_short)(1<<BR_POS))
+
+#define OUT_OF_BOUNDS ((std_short)(1<<OUT_OF_BOUNDS_POS))
+
+/* ========================================================================= */
+//-----------------------------------------------------------------------------
+
+// Choose operation modes
+
+//-----------------------------------------------------------------------------
+
+//#define DEBUG
+
+#define TEST_CODING_RATE        //test if target rate reached in subplane pass
+
+#define INTERBANDS  // INTERBANDS
+
+#define GET_PARENT_MODELS // INTERBANDS
+
+
+#define INITIALIZE_JSIG_MODELS_FROM_PAR // INTERBANDS
+
+#define INITIALIZE_LIP_MODELS_FROM_PAR // INTERBANDS
+#define INITIALIZE_NODE_MODELS_FROM_PAR // INTERBANDS
+
+
+//sign
+
+#define SCALE_SIGN_MODELS_AT_LEVEL_ENDS
+#define UPDATE_SIGN_DIAG_CXT
+//#define MID_SIGN_LUTS
+
+//LSP
+#define INITIALIZE_LSP_MODELS_FROM_PAR // INTERBANDS
+#define MERGE_ALL_LSP_PLANES
+#define TWO_SIGNIF_BITS
+
+
+
+#ifdef MERGE_ALL_LSP_PLANES
+
+#define LSP_LUT
+#define LSP_BIT_IDX
+#define SCALE_AT_LSP_BREAK_PTS
+#define MERGE_HIGH_IDX_SETS_OF_TOP_LSP_PLANE
+#define MERGE_SETS_OF_TOP_LSP_PLANE
+#define MERGE_SETS_0_1_OF_TOP_PLANE
+#define SEPARATE_SETS_OF_PLANE_1
+#define MERGE_LOWER_LSP_PLANE
+#define MERGE_LSP_PLANE_1
+
+#endif
+
+
+#ifdef NOT_INITIALIZE_FROM_PAR
+
+#undef INITIALIZE_JSIG_MODELS_FROM_PAR
+#undef INITIALIZE_LIP_MODELS_FROM_PAR
+#undef INITIALIZE_NODE_MODELS_FROM_PAR
+#undef INITIALIZE_LSP_MODELS_FROM_PAR
+//#undef INITIALIZE_SIGN_MODELS_FROM_PAR
+
+#endif
+
+/* ========================================================================= */
+
+#define WIDTH_OF_CXT_BDY 2
+#define WIDTH_OF_CXT_BDY_X_2 (WIDTH_OF_CXT_BDY << 1)
+
+
+#define V_PVE_BIT_POS 0
+#define V_NVE_BIT_POS 1
+#define H_PVE_BIT_POS 2
+#define H_NVE_BIT_POS 3
+
+#define NW_PVE_BIT_POS 4
+#define NW_NVE_BIT_POS 5
+#define NE_PVE_BIT_POS 6
+#define NE_NVE_BIT_POS 7
+
+#define V_PVE_MASK ((std_byte)(1 << V_PVE_BIT_POS))
+#define V_NVE_MASK ((std_byte)(1 << V_NVE_BIT_POS))
+#define H_PVE_MASK ((std_byte)(1 << H_PVE_BIT_POS))
+#define H_NVE_MASK ((std_byte)(1 << H_NVE_BIT_POS))
+
+#define NW_PVE_MASK ((std_byte)(1 << NW_PVE_BIT_POS))
+#define NW_NVE_MASK ((std_byte)(1 << NW_NVE_BIT_POS))
+#define NE_PVE_MASK ((std_byte)(1 << NE_PVE_BIT_POS))
+#define NE_NVE_MASK ((std_byte)(1 << NE_NVE_BIT_POS))
+
+#define SIGN_BIT_POS V_PVE_BIT_POS
+
+#define SC_MASK_EBCOT ((std_byte)(~((-1) << 4)))        /*Sign-coding LUT index mask. */
+
+#define PA_POS 12               //Bit-pos for significance of parent pel
+
+
+#define PA_SIG ((std_short)(1<<PA_POS))
+
+#define TC2_SIG ((std_short)(1<<TC2_POS))
+#define CL2_SIG ((std_short)(1<<CL2_POS))
+#define CR2_SIG ((std_short)(1<< CR2_POS))
+#define BC2_SIG ((std_short)(1<< BC2_POS))
+
+#define ZC_CXT_BITS 12
+
+
+/* Zero-coding LUT index mask. */
+#define ZC_MASK ((std_short)(~((-1) << (ZC_CXT_BITS+1))))
+
+#define SIGN_CXT_BITS 8
+#define SIGN_CXT_MASK ((std_byte)(~((-1) << SIGN_CXT_BITS)))
+
+#define DIGITS_11 ((std_short)0x3)
+
+#endif /* EBCOT_CONSTANTS_H */