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jp2_cod.h (8726B)


      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  * JP2 Library
     66  *
     67  * $Id: jp2_cod.h 1918 2005-07-24 14:12:08Z baford $
     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	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 	uint_fast32_t len;
    245 
    246 	union {
    247 		jp2_jp_t jp;
    248 		jp2_ftyp_t ftyp;
    249 		jp2_ihdr_t ihdr;
    250 		jp2_bpcc_t bpcc;
    251 		jp2_colr_t colr;
    252 		jp2_pclr_t pclr;
    253 		jp2_cdef_t cdef;
    254 		jp2_cmap_t cmap;
    255 	} data;
    256 
    257 } jp2_box_t;
    258 
    259 typedef struct jp2_boxops_s {
    260 	void (*init)(jp2_box_t *box);
    261 	void (*destroy)(jp2_box_t *box);
    262 	int (*getdata)(jp2_box_t *box, jas_stream_t *in);
    263 	int (*putdata)(jp2_box_t *box, jas_stream_t *out);
    264 	void (*dumpdata)(jp2_box_t *box, FILE *out);
    265 } jp2_boxops_t;
    266 
    267 /******************************************************************************\
    268 *
    269 \******************************************************************************/
    270 
    271 typedef struct jp2_boxinfo_s {
    272 	int type;
    273 	char *name;
    274 	int flags;
    275 	jp2_boxops_t ops;
    276 } jp2_boxinfo_t;
    277 
    278 /******************************************************************************\
    279 * Box class.
    280 \******************************************************************************/
    281 
    282 jp2_box_t *jp2_box_create(int type);
    283 void jp2_box_destroy(jp2_box_t *box);
    284 jp2_box_t *jp2_box_get(jas_stream_t *in);
    285 int jp2_box_put(jp2_box_t *box, jas_stream_t *out);
    286 
    287 #define JP2_DTYPETOBPC(dtype) \
    288   ((JAS_IMAGE_CDT_GETSGND(dtype) << 7) | (JAS_IMAGE_CDT_GETPREC(dtype) - 1))
    289 #define	JP2_BPCTODTYPE(bpc) \
    290   (JAS_IMAGE_CDT_SETSGND(bpc >> 7) | JAS_IMAGE_CDT_SETPREC((bpc & 0x7f) + 1))
    291 
    292 #define ICC_CS_RGB	0x52474220
    293 #define ICC_CS_YCBCR	0x59436272
    294 #define ICC_CS_GRAY	0x47524159
    295 
    296 jp2_cdefchan_t *jp2_cdef_lookup(jp2_cdef_t *cdef, int channo);
    297 
    298 
    299 #endif