jpc_mqcod.c - vx32 - Local 9vx git repository for patches.
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       ---
       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 };