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) 2001-2006 Michael David Adams
13  * Copyright (c) 1999-2000 Image Power, Inc.
14  * Copyright (c) 1999-2000 The University of British Columbia
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,v 1.2 2008-05-26 09:40:52 vp153 Exp $
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 };
180