JasPer 4.2.9 |

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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#include "jasper/jas_stream.h"
79#include "jasper/jas_image.h"
80
81#include <stdio.h>
82
83/******************************************************************************\
84* Macros.
85\******************************************************************************/
86
87#define JP2_SPTOBPC(s, p) \
88 ((((p) - 1) & 0x7f) | (((s) & 1) << 7))
89
90/******************************************************************************\
91* Box class.
92\******************************************************************************/
93
94#define JP2_BOX_HDRLEN(ext) ((ext) ? 16 : 8)
95
96/* Box types. */
97#define JP2_BOX_JP 0x6a502020 /* Signature */
98#define JP2_BOX_FTYP 0x66747970 /* File Type */
99#define JP2_BOX_JP2H 0x6a703268 /* JP2 Header */
100#define JP2_BOX_IHDR 0x69686472 /* Image Header */
101#define JP2_BOX_BPCC 0x62706363 /* Bits Per Component */
102#define JP2_BOX_COLR 0x636f6c72 /* Color Specification */
103#define JP2_BOX_PCLR 0x70636c72 /* Palette */
104#define JP2_BOX_CMAP 0x636d6170 /* Component Mapping */
105#define JP2_BOX_CDEF 0x63646566 /* Channel Definition */
106#define JP2_BOX_RES 0x72657320 /* Resolution */
107#define JP2_BOX_RESC 0x72657363 /* Capture Resolution */
108#define JP2_BOX_RESD 0x72657364 /* Default Display Resolution */
109#define JP2_BOX_JP2C 0x6a703263 /* Contiguous Code Stream */
110#define JP2_BOX_JP2I 0x6a703269 /* Intellectual Property */
111#define JP2_BOX_XML 0x786d6c20 /* XML */
112#define JP2_BOX_UUID 0x75756964 /* UUID */
113#define JP2_BOX_UINF 0x75696e66 /* UUID Info */
114#define JP2_BOX_ULST 0x75637374 /* UUID List */
115#define JP2_BOX_URL 0x75726c20 /* URL */
116
117#define JP2_BOX_SUPER 0x01
118#define JP2_BOX_NODATA 0x02
119
120/* JP box data. */
121
122#define JP2_JP_MAGIC 0x0d0a870a
123#define JP2_JP_LEN 12
124
125 typedef struct {
126 uint_fast32_t magic;
127} jp2_jp_t;
128
129/* FTYP box data. */
130
131#define JP2_FTYP_MAXCOMPATCODES 32
132#define JP2_FTYP_MAJVER 0x6a703220
133#define JP2_FTYP_MINVER 0
134#define JP2_FTYP_COMPATCODE JP2_FTYP_MAJVER
135
136 typedef struct {
137 uint_fast32_t majver;
138 uint_fast32_t minver;
139 uint_fast32_t numcompatcodes;
140 uint_fast32_t compatcodes[JP2_FTYP_MAXCOMPATCODES];
141} jp2_ftyp_t;
142
143/* IHDR box data. */
144
145#define JP2_IHDR_COMPTYPE 7
146#define JP2_IHDR_BPCNULL 255
147
148 typedef struct {
149 uint_fast32_t width;
150 uint_fast32_t height;
151 uint_fast16_t numcmpts;
152 uint_fast8_t bpc;
153 uint_fast8_t comptype;
154 uint_fast8_t csunk;
155 uint_fast8_t ipr;
156} jp2_ihdr_t;
157
158/* BPCC box data. */
159
160 typedef struct {
161 uint_fast16_t numcmpts;
162 uint_fast8_t *bpcs;
163} jp2_bpcc_t;
164
165/* COLR box data. */
166
167#define JP2_COLR_ENUM 1
168#define JP2_COLR_ICC 2
169#define JP2_COLR_PRI 0
170
171#define JP2_COLR_SRGB 16
172#define JP2_COLR_SGRAY 17
173#define JP2_COLR_SYCC 18
174
175 typedef struct {
176 uint_fast8_t method;
177 uint_fast8_t pri;
178 uint_fast8_t approx;
179 uint_fast32_t csid;
180 jas_uchar *iccp;
181 size_t iccplen;
182 /* XXX - Someday we ought to add ICC profile data here. */
183} jp2_colr_t;
184
185/* PCLR box data. */
186
187 typedef struct {
188 uint_fast16_t numlutents;
189 uint_fast8_t numchans;
190 int_fast32_t *lutdata;
191 uint_fast8_t *bpc;
192} jp2_pclr_t;
193
194/* CDEF box per-channel data. */
195
196#define JP2_CDEF_RGB_R 1
197#define JP2_CDEF_RGB_G 2
198#define JP2_CDEF_RGB_B 3
199
200#define JP2_CDEF_YCBCR_Y 1
201#define JP2_CDEF_YCBCR_CB 2
202#define JP2_CDEF_YCBCR_CR 3
203
204#define JP2_CDEF_GRAY_Y 1
205
206#define JP2_CDEF_TYPE_COLOR 0
207#define JP2_CDEF_TYPE_OPACITY 1
208#define JP2_CDEF_TYPE_UNSPEC 65535
209#define JP2_CDEF_ASOC_ALL 0
210#define JP2_CDEF_ASOC_NONE 65535
211
212 typedef struct {
213 uint_fast16_t channo;
214 uint_fast16_t type;
215 uint_fast16_t assoc;
216} jp2_cdefchan_t;
217
218/* CDEF box data. */
219
220 typedef struct {
221 uint_fast16_t numchans;
222 jp2_cdefchan_t *ents;
223} jp2_cdef_t;
224
225 typedef struct {
226 uint_fast16_t cmptno;
227 uint_fast8_t map;
228 uint_fast8_t pcol;
229} jp2_cmapent_t;
230
231 typedef struct {
232 uint_fast16_t numchans;
233 jp2_cmapent_t *ents;
234} jp2_cmap_t;
235
236#define JP2_CMAP_DIRECT 0
237#define JP2_CMAP_PALETTE 1
238
239/* Generic box. */
240
241 struct jp2_boxops_s;
242 typedef struct {
243
244 const struct jp2_boxops_s *ops;
245 const struct jp2_boxinfo_s *info;
246
247 uint_fast32_t type;
248
249 /* The length of the box including the (variable-length) header. */
250 uint_fast32_t len;
251
252 /* The length of the box data. */
253 uint_fast32_t datalen;
254
255 union {
256 jp2_jp_t jp;
257 jp2_ftyp_t ftyp;
258 jp2_ihdr_t ihdr;
259 jp2_bpcc_t bpcc;
260 jp2_colr_t colr;
261 jp2_pclr_t pclr;
262 jp2_cdef_t cdef;
263 jp2_cmap_t cmap;
264 } data;
265
266} jp2_box_t;
267
268 typedef struct jp2_boxops_s {
269 void (*init)(jp2_box_t *box);
270 void (*destroy)(jp2_box_t *box);
271 int (*getdata)(jp2_box_t *box, jas_stream_t *in);
272 int (*putdata)(const jp2_box_t *box, jas_stream_t *out);
273 void (*dumpdata)(const jp2_box_t *box);
274} jp2_boxops_t;
275
276/******************************************************************************\
277*
278\******************************************************************************/
279
280 typedef struct jp2_boxinfo_s {
281 int type;
282 int flags;
283 const char *name;
284 jp2_boxops_t ops;
285} jp2_boxinfo_t;
286
287/******************************************************************************\
288* Box class.
289\******************************************************************************/
290
291jp2_box_t *jp2_box_create(int type);
292 void jp2_box_destroy(jp2_box_t *box);
293jp2_box_t *jp2_box_get(jas_stream_t *in);
294 int jp2_box_put(jp2_box_t *box, jas_stream_t *out);
295
296JAS_ATTRIBUTE_CONST
297 static inline uint_least8_t JP2_DTYPETOBPC(uint_least8_t dtype)
298{
299 return (JAS_IMAGE_CDT_GETSGND(dtype) << 7) | (JAS_IMAGE_CDT_GETPREC(dtype) - 1);
300}
301
302JAS_ATTRIBUTE_CONST
303 static inline uint_least8_t JP2_BPCTODTYPE(uint_least8_t bpc)
304{
305 return JAS_IMAGE_CDT_SETSGND(bpc >> 7) | JAS_IMAGE_CDT_SETPREC((bpc & 0x7f) + 1);
306}
307
308#define ICC_CS_RGB 0x52474220
309#define ICC_CS_YCBCR 0x59436272
310#define ICC_CS_GRAY 0x47524159
311
312 const jp2_cdefchan_t *jp2_cdef_lookup(jp2_cdef_t *cdef, int channo);
313
314#endif
jas_image.h
JasPer Image Class.
jas_stream.h
I/O Stream Class.
jas_types.h
Primitive Types.
jas_stream_t
I/O stream object.
Definition jas_stream.h:206