jpc_mqcod.c (8596B)
1 /* 2 * Copyright (c) 1999-2000 Image Power, Inc. and the University of 3 * British Columbia. 4 * Copyright (c) 2001-2002 Michael David Adams. 5 * All rights reserved. 6 */ 7 8 /* __START_OF_JASPER_LICENSE__ 9 * 10 * JasPer License Version 2.0 11 * 12 * Copyright (c) 1999-2000 Image Power, Inc. 13 * Copyright (c) 1999-2000 The University of British Columbia 14 * Copyright (c) 2001-2003 Michael David Adams 15 * 16 * All rights reserved. 17 * 18 * Permission is hereby granted, free of charge, to any person (the 19 * "User") obtaining a copy of this software and associated documentation 20 * files (the "Software"), to deal in the Software without restriction, 21 * including without limitation the rights to use, copy, modify, merge, 22 * publish, distribute, and/or sell copies of the Software, and to permit 23 * persons to whom the Software is furnished to do so, subject to the 24 * following conditions: 25 * 26 * 1. The above copyright notices and this permission notice (which 27 * includes the disclaimer below) shall be included in all copies or 28 * substantial portions of the Software. 29 * 30 * 2. The name of a copyright holder shall not be used to endorse or 31 * promote products derived from the Software without specific prior 32 * written permission. 33 * 34 * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS 35 * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER 36 * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 37 * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 38 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 39 * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO 40 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL 41 * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING 42 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 43 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 44 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE 45 * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE 46 * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. 47 * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS 48 * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL 49 * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS 50 * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE 51 * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE 52 * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL 53 * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, 54 * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL 55 * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH 56 * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, 57 * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH 58 * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY 59 * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. 60 * 61 * __END_OF_JASPER_LICENSE__ 62 */ 63 64 /* 65 * MQ Arithmetic Coder 66 * 67 * $Id: jpc_mqcod.c 1918 2005-07-24 14:12:08Z baford $ 68 */ 69 70 /******************************************************************************\ 71 * Includes. 72 \******************************************************************************/ 73 74 #include "jasper/jas_malloc.h" 75 76 #include "jpc_mqcod.h" 77 78 /******************************************************************************\ 79 * Data. 80 \******************************************************************************/ 81 82 /* MQ coder per-state information. */ 83 84 jpc_mqstate_t jpc_mqstates[47 * 2] = { 85 {0x5601, 0, &jpc_mqstates[ 2], &jpc_mqstates[ 3]}, 86 {0x5601, 1, &jpc_mqstates[ 3], &jpc_mqstates[ 2]}, 87 {0x3401, 0, &jpc_mqstates[ 4], &jpc_mqstates[12]}, 88 {0x3401, 1, &jpc_mqstates[ 5], &jpc_mqstates[13]}, 89 {0x1801, 0, &jpc_mqstates[ 6], &jpc_mqstates[18]}, 90 {0x1801, 1, &jpc_mqstates[ 7], &jpc_mqstates[19]}, 91 {0x0ac1, 0, &jpc_mqstates[ 8], &jpc_mqstates[24]}, 92 {0x0ac1, 1, &jpc_mqstates[ 9], &jpc_mqstates[25]}, 93 {0x0521, 0, &jpc_mqstates[10], &jpc_mqstates[58]}, 94 {0x0521, 1, &jpc_mqstates[11], &jpc_mqstates[59]}, 95 {0x0221, 0, &jpc_mqstates[76], &jpc_mqstates[66]}, 96 {0x0221, 1, &jpc_mqstates[77], &jpc_mqstates[67]}, 97 {0x5601, 0, &jpc_mqstates[14], &jpc_mqstates[13]}, 98 {0x5601, 1, &jpc_mqstates[15], &jpc_mqstates[12]}, 99 {0x5401, 0, &jpc_mqstates[16], &jpc_mqstates[28]}, 100 {0x5401, 1, &jpc_mqstates[17], &jpc_mqstates[29]}, 101 {0x4801, 0, &jpc_mqstates[18], &jpc_mqstates[28]}, 102 {0x4801, 1, &jpc_mqstates[19], &jpc_mqstates[29]}, 103 {0x3801, 0, &jpc_mqstates[20], &jpc_mqstates[28]}, 104 {0x3801, 1, &jpc_mqstates[21], &jpc_mqstates[29]}, 105 {0x3001, 0, &jpc_mqstates[22], &jpc_mqstates[34]}, 106 {0x3001, 1, &jpc_mqstates[23], &jpc_mqstates[35]}, 107 {0x2401, 0, &jpc_mqstates[24], &jpc_mqstates[36]}, 108 {0x2401, 1, &jpc_mqstates[25], &jpc_mqstates[37]}, 109 {0x1c01, 0, &jpc_mqstates[26], &jpc_mqstates[40]}, 110 {0x1c01, 1, &jpc_mqstates[27], &jpc_mqstates[41]}, 111 {0x1601, 0, &jpc_mqstates[58], &jpc_mqstates[42]}, 112 {0x1601, 1, &jpc_mqstates[59], &jpc_mqstates[43]}, 113 {0x5601, 0, &jpc_mqstates[30], &jpc_mqstates[29]}, 114 {0x5601, 1, &jpc_mqstates[31], &jpc_mqstates[28]}, 115 {0x5401, 0, &jpc_mqstates[32], &jpc_mqstates[28]}, 116 {0x5401, 1, &jpc_mqstates[33], &jpc_mqstates[29]}, 117 {0x5101, 0, &jpc_mqstates[34], &jpc_mqstates[30]}, 118 {0x5101, 1, &jpc_mqstates[35], &jpc_mqstates[31]}, 119 {0x4801, 0, &jpc_mqstates[36], &jpc_mqstates[32]}, 120 {0x4801, 1, &jpc_mqstates[37], &jpc_mqstates[33]}, 121 {0x3801, 0, &jpc_mqstates[38], &jpc_mqstates[34]}, 122 {0x3801, 1, &jpc_mqstates[39], &jpc_mqstates[35]}, 123 {0x3401, 0, &jpc_mqstates[40], &jpc_mqstates[36]}, 124 {0x3401, 1, &jpc_mqstates[41], &jpc_mqstates[37]}, 125 {0x3001, 0, &jpc_mqstates[42], &jpc_mqstates[38]}, 126 {0x3001, 1, &jpc_mqstates[43], &jpc_mqstates[39]}, 127 {0x2801, 0, &jpc_mqstates[44], &jpc_mqstates[38]}, 128 {0x2801, 1, &jpc_mqstates[45], &jpc_mqstates[39]}, 129 {0x2401, 0, &jpc_mqstates[46], &jpc_mqstates[40]}, 130 {0x2401, 1, &jpc_mqstates[47], &jpc_mqstates[41]}, 131 {0x2201, 0, &jpc_mqstates[48], &jpc_mqstates[42]}, 132 {0x2201, 1, &jpc_mqstates[49], &jpc_mqstates[43]}, 133 {0x1c01, 0, &jpc_mqstates[50], &jpc_mqstates[44]}, 134 {0x1c01, 1, &jpc_mqstates[51], &jpc_mqstates[45]}, 135 {0x1801, 0, &jpc_mqstates[52], &jpc_mqstates[46]}, 136 {0x1801, 1, &jpc_mqstates[53], &jpc_mqstates[47]}, 137 {0x1601, 0, &jpc_mqstates[54], &jpc_mqstates[48]}, 138 {0x1601, 1, &jpc_mqstates[55], &jpc_mqstates[49]}, 139 {0x1401, 0, &jpc_mqstates[56], &jpc_mqstates[50]}, 140 {0x1401, 1, &jpc_mqstates[57], &jpc_mqstates[51]}, 141 {0x1201, 0, &jpc_mqstates[58], &jpc_mqstates[52]}, 142 {0x1201, 1, &jpc_mqstates[59], &jpc_mqstates[53]}, 143 {0x1101, 0, &jpc_mqstates[60], &jpc_mqstates[54]}, 144 {0x1101, 1, &jpc_mqstates[61], &jpc_mqstates[55]}, 145 {0x0ac1, 0, &jpc_mqstates[62], &jpc_mqstates[56]}, 146 {0x0ac1, 1, &jpc_mqstates[63], &jpc_mqstates[57]}, 147 {0x09c1, 0, &jpc_mqstates[64], &jpc_mqstates[58]}, 148 {0x09c1, 1, &jpc_mqstates[65], &jpc_mqstates[59]}, 149 {0x08a1, 0, &jpc_mqstates[66], &jpc_mqstates[60]}, 150 {0x08a1, 1, &jpc_mqstates[67], &jpc_mqstates[61]}, 151 {0x0521, 0, &jpc_mqstates[68], &jpc_mqstates[62]}, 152 {0x0521, 1, &jpc_mqstates[69], &jpc_mqstates[63]}, 153 {0x0441, 0, &jpc_mqstates[70], &jpc_mqstates[64]}, 154 {0x0441, 1, &jpc_mqstates[71], &jpc_mqstates[65]}, 155 {0x02a1, 0, &jpc_mqstates[72], &jpc_mqstates[66]}, 156 {0x02a1, 1, &jpc_mqstates[73], &jpc_mqstates[67]}, 157 {0x0221, 0, &jpc_mqstates[74], &jpc_mqstates[68]}, 158 {0x0221, 1, &jpc_mqstates[75], &jpc_mqstates[69]}, 159 {0x0141, 0, &jpc_mqstates[76], &jpc_mqstates[70]}, 160 {0x0141, 1, &jpc_mqstates[77], &jpc_mqstates[71]}, 161 {0x0111, 0, &jpc_mqstates[78], &jpc_mqstates[72]}, 162 {0x0111, 1, &jpc_mqstates[79], &jpc_mqstates[73]}, 163 {0x0085, 0, &jpc_mqstates[80], &jpc_mqstates[74]}, 164 {0x0085, 1, &jpc_mqstates[81], &jpc_mqstates[75]}, 165 {0x0049, 0, &jpc_mqstates[82], &jpc_mqstates[76]}, 166 {0x0049, 1, &jpc_mqstates[83], &jpc_mqstates[77]}, 167 {0x0025, 0, &jpc_mqstates[84], &jpc_mqstates[78]}, 168 {0x0025, 1, &jpc_mqstates[85], &jpc_mqstates[79]}, 169 {0x0015, 0, &jpc_mqstates[86], &jpc_mqstates[80]}, 170 {0x0015, 1, &jpc_mqstates[87], &jpc_mqstates[81]}, 171 {0x0009, 0, &jpc_mqstates[88], &jpc_mqstates[82]}, 172 {0x0009, 1, &jpc_mqstates[89], &jpc_mqstates[83]}, 173 {0x0005, 0, &jpc_mqstates[90], &jpc_mqstates[84]}, 174 {0x0005, 1, &jpc_mqstates[91], &jpc_mqstates[85]}, 175 {0x0001, 0, &jpc_mqstates[90], &jpc_mqstates[86]}, 176 {0x0001, 1, &jpc_mqstates[91], &jpc_mqstates[87]}, 177 {0x5601, 0, &jpc_mqstates[92], &jpc_mqstates[92]}, 178 {0x5601, 1, &jpc_mqstates[93], &jpc_mqstates[93]}, 179 };