/src/jasper/src/libjasper/jpc/jpc_cod.c
Line | Count | Source |
1 | | /* |
2 | | * Copyright (c) 1999-2000 Image Power, Inc. and the University of |
3 | | * British Columbia. |
4 | | * Copyright (c) 2001-2003 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 | | * Includes. |
66 | | \******************************************************************************/ |
67 | | |
68 | | #define JAS_FOR_INTERNAL_USE_ONLY |
69 | | |
70 | | #include <jasper/jas_config.h> |
71 | | #include "jasper/jas_thread.h" |
72 | | #include "jasper/jas_debug.h" |
73 | | |
74 | | #include "jpc_cod.h" |
75 | | |
76 | | /******************************************************************************\ |
77 | | * |
78 | | \******************************************************************************/ |
79 | | |
80 | | static void jpc_init_helper(void); |
81 | | |
82 | | #if defined(JAS_THREADS) |
83 | | jas_once_flag_t jpc_init_once = JAS_ONCE_FLAG_INIT; |
84 | | #else |
85 | | int jpc_init_once = 0; |
86 | | #endif |
87 | | |
88 | | /******************************************************************************\ |
89 | | * |
90 | | \******************************************************************************/ |
91 | | |
92 | | void jpc_init(void) |
93 | 20.0k | { |
94 | 20.0k | #if defined(JAS_THREADS) |
95 | 20.0k | jas_call_once(&jpc_init_once, jpc_init_helper); |
96 | | #else |
97 | | if (!jpc_init_once) { |
98 | | jpc_init_helper(); |
99 | | jpc_init_once = 1; |
100 | | } |
101 | | #endif |
102 | 20.0k | } |
103 | | |
104 | | static void jpc_init_helper(void) |
105 | 8 | { |
106 | 8 | JAS_LOGDEBUGF(10, "jpc_init_helper called\n"); |
107 | 8 | jpc_initmqctxs(); |
108 | 8 | jpc_initluts(); |
109 | 8 | } |