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305 lines
8.7 KiB
C
305 lines
8.7 KiB
C
/*
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* Copyright (c) 1999-2000 Image Power, Inc. and the University of
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* British Columbia.
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* Copyright (c) 2001-2002 Michael David Adams.
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* All rights reserved.
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*/
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/* __START_OF_JASPER_LICENSE__
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*
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* JasPer License Version 2.0
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*
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* Copyright (c) 2001-2006 Michael David Adams
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* Copyright (c) 1999-2000 Image Power, Inc.
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* Copyright (c) 1999-2000 The University of British Columbia
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*
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person (the
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* "User") obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, and/or sell copies of the Software, and to permit
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* persons to whom the Software is furnished to do so, subject to the
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* following conditions:
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*
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* 1. The above copyright notices and this permission notice (which
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* includes the disclaimer below) shall be included in all copies or
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* substantial portions of the Software.
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*
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* 2. The name of a copyright holder shall not be used to endorse or
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* promote products derived from the Software without specific prior
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* written permission.
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*
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* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
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* LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
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* THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
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* "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
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* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
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* PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
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* THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
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* EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
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* BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
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* PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
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* GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
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* ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
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* IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
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* SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
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* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
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* SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
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* THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
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* PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
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* RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
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* EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
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*
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* __END_OF_JASPER_LICENSE__
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*/
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/*
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* JP2 Library
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*
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* $Id: jp2_cod.h,v 1.2 2008-05-26 09:40:52 vp153 Exp $
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*/
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#ifndef JP2_COD_H
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#define JP2_COD_H
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/******************************************************************************\
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* Includes.
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\******************************************************************************/
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#include "jasper/jas_types.h"
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/******************************************************************************\
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* Macros.
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\******************************************************************************/
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#define JP2_SPTOBPC(s, p) \
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((((p) - 1) & 0x7f) | (((s) & 1) << 7))
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/******************************************************************************\
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* Box class.
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\******************************************************************************/
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#define JP2_BOX_HDRLEN(ext) ((ext) ? 16 : 8)
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/* Box types. */
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#define JP2_BOX_JP 0x6a502020 /* Signature */
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#define JP2_BOX_FTYP 0x66747970 /* File Type */
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#define JP2_BOX_JP2H 0x6a703268 /* JP2 Header */
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#define JP2_BOX_IHDR 0x69686472 /* Image Header */
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#define JP2_BOX_BPCC 0x62706363 /* Bits Per Component */
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#define JP2_BOX_COLR 0x636f6c72 /* Color Specification */
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#define JP2_BOX_PCLR 0x70636c72 /* Palette */
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#define JP2_BOX_CMAP 0x636d6170 /* Component Mapping */
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#define JP2_BOX_CDEF 0x63646566 /* Channel Definition */
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#define JP2_BOX_RES 0x72657320 /* Resolution */
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#define JP2_BOX_RESC 0x72657363 /* Capture Resolution */
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#define JP2_BOX_RESD 0x72657364 /* Default Display Resolution */
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#define JP2_BOX_JP2C 0x6a703263 /* Contiguous Code Stream */
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#define JP2_BOX_JP2I 0x6a703269 /* Intellectual Property */
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#define JP2_BOX_XML 0x786d6c20 /* XML */
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#define JP2_BOX_UUID 0x75756964 /* UUID */
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#define JP2_BOX_UINF 0x75696e66 /* UUID Info */
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#define JP2_BOX_ULST 0x75637374 /* UUID List */
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#define JP2_BOX_URL 0x75726c20 /* URL */
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#define JP2_BOX_SUPER 0x01
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#define JP2_BOX_NODATA 0x02
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/* JP box data. */
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#define JP2_JP_MAGIC 0x0d0a870a
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#define JP2_JP_LEN 12
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typedef struct {
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uint_fast32_t magic;
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} jp2_jp_t;
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/* FTYP box data. */
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#define JP2_FTYP_MAXCOMPATCODES 32
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#define JP2_FTYP_MAJVER 0x6a703220
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#define JP2_FTYP_MINVER 0
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#define JP2_FTYP_COMPATCODE JP2_FTYP_MAJVER
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typedef struct {
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uint_fast32_t majver;
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uint_fast32_t minver;
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uint_fast32_t numcompatcodes;
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uint_fast32_t compatcodes[JP2_FTYP_MAXCOMPATCODES];
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} jp2_ftyp_t;
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/* IHDR box data. */
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#define JP2_IHDR_COMPTYPE 7
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#define JP2_IHDR_BPCNULL 255
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typedef struct {
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uint_fast32_t width;
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uint_fast32_t height;
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uint_fast16_t numcmpts;
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uint_fast8_t bpc;
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uint_fast8_t comptype;
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uint_fast8_t csunk;
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uint_fast8_t ipr;
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} jp2_ihdr_t;
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/* BPCC box data. */
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typedef struct {
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uint_fast16_t numcmpts;
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uint_fast8_t *bpcs;
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} jp2_bpcc_t;
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/* COLR box data. */
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#define JP2_COLR_ENUM 1
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#define JP2_COLR_ICC 2
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#define JP2_COLR_PRI 0
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#define JP2_COLR_SRGB 16
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#define JP2_COLR_SGRAY 17
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#define JP2_COLR_SYCC 18
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typedef struct {
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uint_fast8_t method;
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uint_fast8_t pri;
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uint_fast8_t approx;
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uint_fast32_t csid;
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uint_fast8_t *iccp;
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int iccplen;
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/* XXX - Someday we ought to add ICC profile data here. */
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} jp2_colr_t;
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/* PCLR box data. */
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typedef struct {
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uint_fast16_t numlutents;
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uint_fast8_t numchans;
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int_fast32_t *lutdata;
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uint_fast8_t *bpc;
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} jp2_pclr_t;
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/* CDEF box per-channel data. */
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#define JP2_CDEF_RGB_R 1
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#define JP2_CDEF_RGB_G 2
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#define JP2_CDEF_RGB_B 3
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#define JP2_CDEF_YCBCR_Y 1
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#define JP2_CDEF_YCBCR_CB 2
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#define JP2_CDEF_YCBCR_CR 3
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#define JP2_CDEF_GRAY_Y 1
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#define JP2_CDEF_TYPE_COLOR 0
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#define JP2_CDEF_TYPE_OPACITY 1
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#define JP2_CDEF_TYPE_UNSPEC 65535
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#define JP2_CDEF_ASOC_ALL 0
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#define JP2_CDEF_ASOC_NONE 65535
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typedef struct {
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uint_fast16_t channo;
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uint_fast16_t type;
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uint_fast16_t assoc;
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} jp2_cdefchan_t;
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/* CDEF box data. */
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typedef struct {
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uint_fast16_t numchans;
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jp2_cdefchan_t *ents;
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} jp2_cdef_t;
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typedef struct {
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uint_fast16_t cmptno;
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uint_fast8_t map;
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uint_fast8_t pcol;
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} jp2_cmapent_t;
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typedef struct {
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uint_fast16_t numchans;
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jp2_cmapent_t *ents;
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} jp2_cmap_t;
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#define JP2_CMAP_DIRECT 0
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#define JP2_CMAP_PALETTE 1
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/* Generic box. */
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struct jp2_boxops_s;
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typedef struct {
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struct jp2_boxops_s *ops;
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struct jp2_boxinfo_s *info;
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uint_fast32_t type;
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/* The length of the box including the (variable-length) header. */
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uint_fast32_t len;
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/* The length of the box data. */
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uint_fast32_t datalen;
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union {
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jp2_jp_t jp;
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jp2_ftyp_t ftyp;
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jp2_ihdr_t ihdr;
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jp2_bpcc_t bpcc;
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jp2_colr_t colr;
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jp2_pclr_t pclr;
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jp2_cdef_t cdef;
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jp2_cmap_t cmap;
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} data;
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} jp2_box_t;
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typedef struct jp2_boxops_s {
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void (*init)(jp2_box_t *box);
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void (*destroy)(jp2_box_t *box);
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int (*getdata)(jp2_box_t *box, jas_stream_t *in);
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int (*putdata)(jp2_box_t *box, jas_stream_t *out);
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void (*dumpdata)(jp2_box_t *box, FILE *out);
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} jp2_boxops_t;
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/******************************************************************************\
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*
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\******************************************************************************/
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typedef struct jp2_boxinfo_s {
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int type;
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char *name;
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int flags;
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jp2_boxops_t ops;
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} jp2_boxinfo_t;
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/******************************************************************************\
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* Box class.
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\******************************************************************************/
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jp2_box_t *jp2_box_create(int type);
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void jp2_box_destroy(jp2_box_t *box);
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jp2_box_t *jp2_box_get(jas_stream_t *in);
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int jp2_box_put(jp2_box_t *box, jas_stream_t *out);
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#define JP2_DTYPETOBPC(dtype) \
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((JAS_IMAGE_CDT_GETSGND(dtype) << 7) | (JAS_IMAGE_CDT_GETPREC(dtype) - 1))
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#define JP2_BPCTODTYPE(bpc) \
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(JAS_IMAGE_CDT_SETSGND(bpc >> 7) | JAS_IMAGE_CDT_SETPREC((bpc & 0x7f) + 1))
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#define ICC_CS_RGB 0x52474220
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#define ICC_CS_YCBCR 0x59436272
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#define ICC_CS_GRAY 0x47524159
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jp2_cdefchan_t *jp2_cdef_lookup(jp2_cdef_t *cdef, int channo);
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#endif
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