My Project 2.0.16 |

jp2_cod.h
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 * JP2 Library
66 *
67 * $Id$
68 */
69
70 #ifndef JP2_COD_H
71 #define JP2_COD_H
72
73 /******************************************************************************\
74 * Includes.
75 \******************************************************************************/
76
77 #include "jasper/jas_types.h"
78
79 /******************************************************************************\
80 * Macros.
81 \******************************************************************************/
82
83 #define JP2_SPTOBPC(s, p) \
84 ((((p) - 1) & 0x7f) | (((s) & 1) << 7))
85
86 /******************************************************************************\
87 * Box class.
88 \******************************************************************************/
89
90 #define JP2_BOX_HDRLEN(ext) ((ext) ? 16 : 8)
91
92 /* Box types. */
93 #define JP2_BOX_JP 0x6a502020 /* Signature */
94 #define JP2_BOX_FTYP 0x66747970 /* File Type */
95 #define JP2_BOX_JP2H 0x6a703268 /* JP2 Header */
96 #define JP2_BOX_IHDR 0x69686472 /* Image Header */
97 #define JP2_BOX_BPCC 0x62706363 /* Bits Per Component */
98 #define JP2_BOX_COLR 0x636f6c72 /* Color Specification */
99 #define JP2_BOX_PCLR 0x70636c72 /* Palette */
100 #define JP2_BOX_CMAP 0x636d6170 /* Component Mapping */
101 #define JP2_BOX_CDEF 0x63646566 /* Channel Definition */
102 #define JP2_BOX_RES 0x72657320 /* Resolution */
103 #define JP2_BOX_RESC 0x72657363 /* Capture Resolution */
104 #define JP2_BOX_RESD 0x72657364 /* Default Display Resolution */
105 #define JP2_BOX_JP2C 0x6a703263 /* Contiguous Code Stream */
106 #define JP2_BOX_JP2I 0x6a703269 /* Intellectual Property */
107 #define JP2_BOX_XML 0x786d6c20 /* XML */
108 #define JP2_BOX_UUID 0x75756964 /* UUID */
109 #define JP2_BOX_UINF 0x75696e66 /* UUID Info */
110 #define JP2_BOX_ULST 0x75637374 /* UUID List */
111 #define JP2_BOX_URL 0x75726c20 /* URL */
112
113 #define JP2_BOX_SUPER 0x01
114 #define JP2_BOX_NODATA 0x02
115
116 /* JP box data. */
117
118 #define JP2_JP_MAGIC 0x0d0a870a
119 #define JP2_JP_LEN 12
120
121 typedef struct {
122 uint_fast32_t magic;
123 } jp2_jp_t;
124
125 /* FTYP box data. */
126
127 #define JP2_FTYP_MAXCOMPATCODES 32
128 #define JP2_FTYP_MAJVER 0x6a703220
129 #define JP2_FTYP_MINVER 0
130 #define JP2_FTYP_COMPATCODE JP2_FTYP_MAJVER
131
132 typedef struct {
133 uint_fast32_t majver;
134 uint_fast32_t minver;
135 uint_fast32_t numcompatcodes;
136 uint_fast32_t compatcodes[JP2_FTYP_MAXCOMPATCODES];
137 } jp2_ftyp_t;
138
139 /* IHDR box data. */
140
141 #define JP2_IHDR_COMPTYPE 7
142 #define JP2_IHDR_BPCNULL 255
143
144 typedef struct {
145 uint_fast32_t width;
146 uint_fast32_t height;
147 uint_fast16_t numcmpts;
148 uint_fast8_t bpc;
149 uint_fast8_t comptype;
150 uint_fast8_t csunk;
151 uint_fast8_t ipr;
152 } jp2_ihdr_t;
153
154 /* BPCC box data. */
155
156 typedef struct {
157 uint_fast16_t numcmpts;
158 uint_fast8_t *bpcs;
159 } jp2_bpcc_t;
160
161 /* COLR box data. */
162
163 #define JP2_COLR_ENUM 1
164 #define JP2_COLR_ICC 2
165 #define JP2_COLR_PRI 0
166
167 #define JP2_COLR_SRGB 16
168 #define JP2_COLR_SGRAY 17
169 #define JP2_COLR_SYCC 18
170
171 typedef struct {
172 uint_fast8_t method;
173 uint_fast8_t pri;
174 uint_fast8_t approx;
175 uint_fast32_t csid;
176 uint_fast8_t *iccp;
177 int iccplen;
178 /* XXX - Someday we ought to add ICC profile data here. */
179 } jp2_colr_t;
180
181 /* PCLR box data. */
182
183 typedef struct {
184 uint_fast16_t numlutents;
185 uint_fast8_t numchans;
186 int_fast32_t *lutdata;
187 uint_fast8_t *bpc;
188 } jp2_pclr_t;
189
190 /* CDEF box per-channel data. */
191
192 #define JP2_CDEF_RGB_R 1
193 #define JP2_CDEF_RGB_G 2
194 #define JP2_CDEF_RGB_B 3
195
196 #define JP2_CDEF_YCBCR_Y 1
197 #define JP2_CDEF_YCBCR_CB 2
198 #define JP2_CDEF_YCBCR_CR 3
199
200 #define JP2_CDEF_GRAY_Y 1
201
202 #define JP2_CDEF_TYPE_COLOR 0
203 #define JP2_CDEF_TYPE_OPACITY 1
204 #define JP2_CDEF_TYPE_UNSPEC 65535
205 #define JP2_CDEF_ASOC_ALL 0
206 #define JP2_CDEF_ASOC_NONE 65535
207
208 typedef struct {
209 uint_fast16_t channo;
210 uint_fast16_t type;
211 uint_fast16_t assoc;
212 } jp2_cdefchan_t;
213
214 /* CDEF box data. */
215
216 typedef struct {
217 uint_fast16_t numchans;
218 jp2_cdefchan_t *ents;
219 } jp2_cdef_t;
220
221 typedef struct {
222 uint_fast16_t cmptno;
223 uint_fast8_t map;
224 uint_fast8_t pcol;
225 } jp2_cmapent_t;
226
227 typedef struct {
228 uint_fast16_t numchans;
229 jp2_cmapent_t *ents;
230 } jp2_cmap_t;
231
232 #define JP2_CMAP_DIRECT 0
233 #define JP2_CMAP_PALETTE 1
234
235 /* Generic box. */
236
237 struct jp2_boxops_s;
238 typedef struct {
239
240 struct jp2_boxops_s *ops;
241 struct jp2_boxinfo_s *info;
242
243 uint_fast32_t type;
244
245 /* The length of the box including the (variable-length) header. */
246 uint_fast32_t len;
247
248 /* The length of the box data. */
249 uint_fast32_t datalen;
250
251 union {
252 jp2_jp_t jp;
253 jp2_ftyp_t ftyp;
254 jp2_ihdr_t ihdr;
255 jp2_bpcc_t bpcc;
256 jp2_colr_t colr;
257 jp2_pclr_t pclr;
258 jp2_cdef_t cdef;
259 jp2_cmap_t cmap;
260 } data;
261
262 } jp2_box_t;
263
264 typedef struct jp2_boxops_s {
265 void (*init)(jp2_box_t *box);
266 void (*destroy)(jp2_box_t *box);
267 int (*getdata)(jp2_box_t *box, jas_stream_t *in);
268 int (*putdata)(jp2_box_t *box, jas_stream_t *out);
269 void (*dumpdata)(jp2_box_t *box, FILE *out);
270 } jp2_boxops_t;
271
272 /******************************************************************************\
273 *
274 \******************************************************************************/
275
276 typedef struct jp2_boxinfo_s {
277 int type;
278 char *name;
279 int flags;
280 jp2_boxops_t ops;
281 } jp2_boxinfo_t;
282
283 /******************************************************************************\
284 * Box class.
285 \******************************************************************************/
286
287 jp2_box_t *jp2_box_create(int type);
288 void jp2_box_destroy(jp2_box_t *box);
289 jp2_box_t *jp2_box_get(jas_stream_t *in);
290 int jp2_box_put(jp2_box_t *box, jas_stream_t *out);
291
292 #define JP2_DTYPETOBPC(dtype) \
293 ((JAS_IMAGE_CDT_GETSGND(dtype) << 7) | (JAS_IMAGE_CDT_GETPREC(dtype) - 1))
294 #define JP2_BPCTODTYPE(bpc) \
295 (JAS_IMAGE_CDT_SETSGND(bpc >> 7) | JAS_IMAGE_CDT_SETPREC((bpc & 0x7f) + 1))
296
297 #define ICC_CS_RGB 0x52474220
298 #define ICC_CS_YCBCR 0x59436272
299 #define ICC_CS_GRAY 0x47524159
300
301 jp2_cdefchan_t *jp2_cdef_lookup(jp2_cdef_t *cdef, int channo);
302
303
304 #endif