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498 lines
16 KiB
498 lines
16 KiB
/* |
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* The copyright in this software is being made available under the 2-clauses |
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* BSD License, included below. This software may be subject to other third |
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* party and contributor rights, including patent rights, and no such rights |
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* are granted under this license. |
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* |
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* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium |
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* Copyright (c) 2002-2014, Professor Benoit Macq |
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* Copyright (c) 2002-2003, Yannick Verschueren |
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* Copyright (c) 2005, Herve Drolon, FreeImage Team |
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* Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR |
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* Copyright (c) 2012, CS Systemes d'Information, France |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef OPJ_JP2_H |
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#define OPJ_JP2_H |
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/** |
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@file jp2.h |
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@brief The JPEG-2000 file format Reader/Writer (JP2) |
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*/ |
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/** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */ |
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/*@{*/ |
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/*#define JPIP_JPIP 0x6a706970*/ |
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#define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */ |
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#define JP2_FTYP 0x66747970 /**< File type box */ |
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#define JP2_JP2H 0x6a703268 /**< JP2 header box (super-box) */ |
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#define JP2_IHDR 0x69686472 /**< Image header box */ |
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#define JP2_COLR 0x636f6c72 /**< Colour specification box */ |
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#define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */ |
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#define JP2_URL 0x75726c20 /**< Data entry URL box */ |
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#define JP2_PCLR 0x70636c72 /**< Palette box */ |
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#define JP2_CMAP 0x636d6170 /**< Component Mapping box */ |
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#define JP2_CDEF 0x63646566 /**< Channel Definition box */ |
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#define JP2_DTBL 0x6474626c /**< Data Reference box */ |
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#define JP2_BPCC 0x62706363 /**< Bits per component box */ |
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#define JP2_JP2 0x6a703220 /**< File type fields */ |
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/* For the future */ |
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/* #define JP2_RES 0x72657320 */ /**< Resolution box (super-box) */ |
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/* #define JP2_JP2I 0x6a703269 */ /**< Intellectual property box */ |
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/* #define JP2_XML 0x786d6c20 */ /**< XML box */ |
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/* #define JP2_UUID 0x75756994 */ /**< UUID box */ |
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/* #define JP2_UINF 0x75696e66 */ /**< UUID info box (super-box) */ |
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/* #define JP2_ULST 0x756c7374 */ /**< UUID list box */ |
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/* ----------------------------------------------------------------------- */ |
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typedef enum { |
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JP2_STATE_NONE = 0x0, |
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JP2_STATE_SIGNATURE = 0x1, |
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JP2_STATE_FILE_TYPE = 0x2, |
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JP2_STATE_HEADER = 0x4, |
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JP2_STATE_CODESTREAM = 0x8, |
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JP2_STATE_END_CODESTREAM = 0x10, |
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JP2_STATE_UNKNOWN = 0x7fffffff /* ISO C restricts enumerator values to range of 'int' */ |
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} |
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JP2_STATE; |
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typedef enum { |
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JP2_IMG_STATE_NONE = 0x0, |
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JP2_IMG_STATE_UNKNOWN = 0x7fffffff |
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} |
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JP2_IMG_STATE; |
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/** |
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Channel description: channel index, type, association |
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*/ |
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typedef struct opj_jp2_cdef_info { |
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OPJ_UINT16 cn, typ, asoc; |
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} opj_jp2_cdef_info_t; |
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/** |
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Channel descriptions and number of descriptions |
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*/ |
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typedef struct opj_jp2_cdef { |
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opj_jp2_cdef_info_t *info; |
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OPJ_UINT16 n; |
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} opj_jp2_cdef_t; |
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/** |
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Component mappings: channel index, mapping type, palette index |
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*/ |
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typedef struct opj_jp2_cmap_comp { |
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OPJ_UINT16 cmp; |
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OPJ_BYTE mtyp, pcol; |
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} opj_jp2_cmap_comp_t; |
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/** |
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Palette data: table entries, palette columns |
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*/ |
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typedef struct opj_jp2_pclr { |
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OPJ_UINT32 *entries; |
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OPJ_BYTE *channel_sign; |
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OPJ_BYTE *channel_size; |
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opj_jp2_cmap_comp_t *cmap; |
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OPJ_UINT16 nr_entries; |
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OPJ_BYTE nr_channels; |
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} opj_jp2_pclr_t; |
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/** |
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Collector for ICC profile, palette, component mapping, channel description |
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*/ |
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typedef struct opj_jp2_color { |
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OPJ_BYTE *icc_profile_buf; |
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OPJ_UINT32 icc_profile_len; |
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opj_jp2_cdef_t *jp2_cdef; |
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opj_jp2_pclr_t *jp2_pclr; |
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OPJ_BYTE jp2_has_colr; |
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} opj_jp2_color_t; |
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/** |
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JP2 component |
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*/ |
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typedef struct opj_jp2_comps { |
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OPJ_UINT32 depth; |
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OPJ_UINT32 sgnd; |
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OPJ_UINT32 bpcc; |
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} opj_jp2_comps_t; |
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/** |
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JPEG-2000 file format reader/writer |
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*/ |
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typedef struct opj_jp2 { |
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/** handle to the J2K codec */ |
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opj_j2k_t *j2k; |
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/** list of validation procedures */ |
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struct opj_procedure_list * m_validation_list; |
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/** list of execution procedures */ |
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struct opj_procedure_list * m_procedure_list; |
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/* width of image */ |
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OPJ_UINT32 w; |
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/* height of image */ |
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OPJ_UINT32 h; |
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/* number of components in the image */ |
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OPJ_UINT32 numcomps; |
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OPJ_UINT32 bpc; |
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OPJ_UINT32 C; |
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OPJ_UINT32 UnkC; |
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OPJ_UINT32 IPR; |
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OPJ_UINT32 meth; |
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OPJ_UINT32 approx; |
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OPJ_UINT32 enumcs; |
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OPJ_UINT32 precedence; |
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OPJ_UINT32 brand; |
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OPJ_UINT32 minversion; |
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OPJ_UINT32 numcl; |
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OPJ_UINT32 *cl; |
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opj_jp2_comps_t *comps; |
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/* FIXME: The following two variables are used to save offset |
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as we write out a JP2 file to disk. This mechanism is not flexible |
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as codec writers will need to extand those fields as new part |
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of the standard are implemented. |
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*/ |
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OPJ_OFF_T j2k_codestream_offset; |
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OPJ_OFF_T jpip_iptr_offset; |
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OPJ_BOOL jpip_on; |
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OPJ_UINT32 jp2_state; |
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OPJ_UINT32 jp2_img_state; |
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opj_jp2_color_t color; |
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OPJ_BOOL ignore_pclr_cmap_cdef; |
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OPJ_BYTE has_jp2h; |
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OPJ_BYTE has_ihdr; |
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} |
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opj_jp2_t; |
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/** |
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JP2 Box |
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*/ |
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typedef struct opj_jp2_box { |
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OPJ_UINT32 length; |
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OPJ_UINT32 type; |
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OPJ_INT32 init_pos; |
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} opj_jp2_box_t; |
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typedef struct opj_jp2_header_handler { |
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/* marker value */ |
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OPJ_UINT32 id; |
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/* action linked to the marker */ |
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OPJ_BOOL(*handler)(opj_jp2_t *jp2, |
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OPJ_BYTE *p_header_data, |
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OPJ_UINT32 p_header_size, |
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opj_event_mgr_t * p_manager); |
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} |
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opj_jp2_header_handler_t; |
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typedef struct opj_jp2_img_header_writer_handler { |
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/* action to perform */ |
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OPJ_BYTE* (*handler)(opj_jp2_t *jp2, OPJ_UINT32 * p_data_size); |
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/* result of the action : data */ |
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OPJ_BYTE* m_data; |
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/* size of data */ |
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OPJ_UINT32 m_size; |
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} |
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opj_jp2_img_header_writer_handler_t; |
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/** @name Exported functions */ |
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/*@{*/ |
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/* ----------------------------------------------------------------------- */ |
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/** |
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Setup the decoder decoding parameters using user parameters. |
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Decoding parameters are returned in jp2->j2k->cp. |
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@param jp2 JP2 decompressor handle |
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@param parameters decompression parameters |
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*/ |
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void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters); |
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/** Allocates worker threads for the compressor/decompressor. |
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* |
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* @param jp2 JP2 decompressor handle |
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* @param num_threads Number of threads. |
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* @return OPJ_TRUE in case of success. |
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*/ |
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OPJ_BOOL opj_jp2_set_threads(opj_jp2_t *jp2, OPJ_UINT32 num_threads); |
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/** |
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* Decode an image from a JPEG-2000 file stream |
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* @param jp2 JP2 decompressor handle |
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* @param p_stream FIXME DOC |
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* @param p_image FIXME DOC |
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* @param p_manager FIXME DOC |
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* |
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* @return Returns a decoded image if successful, returns NULL otherwise |
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*/ |
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OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2, |
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opj_stream_private_t *p_stream, |
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opj_image_t* p_image, |
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opj_event_mgr_t * p_manager); |
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/** |
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* Setup the encoder parameters using the current image and using user parameters. |
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* Coding parameters are returned in jp2->j2k->cp. |
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* |
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* @param jp2 JP2 compressor handle |
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* @param parameters compression parameters |
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* @param image input filled image |
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* @param p_manager FIXME DOC |
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* @return OPJ_TRUE if successful, OPJ_FALSE otherwise |
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*/ |
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OPJ_BOOL opj_jp2_setup_encoder(opj_jp2_t *jp2, |
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opj_cparameters_t *parameters, |
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opj_image_t *image, |
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opj_event_mgr_t * p_manager); |
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/** |
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Encode an image into a JPEG-2000 file stream |
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@param jp2 JP2 compressor handle |
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@param stream Output buffer stream |
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@param p_manager event manager |
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@return Returns true if successful, returns false otherwise |
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*/ |
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OPJ_BOOL opj_jp2_encode(opj_jp2_t *jp2, |
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opj_stream_private_t *stream, |
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opj_event_mgr_t * p_manager); |
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/** |
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* Starts a compression scheme, i.e. validates the codec parameters, writes the header. |
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* |
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* @param jp2 the jpeg2000 file codec. |
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* @param stream the stream object. |
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* @param p_image FIXME DOC |
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* @param p_manager FIXME DOC |
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* |
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* @return true if the codec is valid. |
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*/ |
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OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2, |
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opj_stream_private_t *stream, |
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opj_image_t * p_image, |
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opj_event_mgr_t * p_manager); |
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/** |
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* Ends the compression procedures and possibiliy add data to be read after the |
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* codestream. |
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*/ |
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OPJ_BOOL opj_jp2_end_compress(opj_jp2_t *jp2, |
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opj_stream_private_t *cio, |
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opj_event_mgr_t * p_manager); |
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/* ----------------------------------------------------------------------- */ |
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/** |
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* Ends the decompression procedures and possibiliy add data to be read after the |
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* codestream. |
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*/ |
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OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2, |
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opj_stream_private_t *cio, |
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opj_event_mgr_t * p_manager); |
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/** |
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* Reads a jpeg2000 file header structure. |
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* |
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* @param p_stream the stream to read data from. |
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* @param jp2 the jpeg2000 file header structure. |
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* @param p_image FIXME DOC |
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* @param p_manager the user event manager. |
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* |
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* @return true if the box is valid. |
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*/ |
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OPJ_BOOL opj_jp2_read_header(opj_stream_private_t *p_stream, |
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opj_jp2_t *jp2, |
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opj_image_t ** p_image, |
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opj_event_mgr_t * p_manager); |
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/** Sets the indices of the components to decode. |
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* |
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* @param jp2 JP2 decompressor handle |
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* @param numcomps Number of components to decode. |
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* @param comps_indices Array of num_compts indices (numbering starting at 0) |
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* corresponding to the components to decode. |
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* @param p_manager Event manager; |
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* |
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* @return OPJ_TRUE in case of success. |
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*/ |
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OPJ_BOOL opj_jp2_set_decoded_components(opj_jp2_t *jp2, |
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OPJ_UINT32 numcomps, |
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const OPJ_UINT32* comps_indices, |
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opj_event_mgr_t * p_manager); |
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/** |
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* Reads a tile header. |
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* @param p_jp2 the jpeg2000 codec. |
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* @param p_tile_index FIXME DOC |
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* @param p_data_size FIXME DOC |
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* @param p_tile_x0 FIXME DOC |
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* @param p_tile_y0 FIXME DOC |
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* @param p_tile_x1 FIXME DOC |
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* @param p_tile_y1 FIXME DOC |
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* @param p_nb_comps FIXME DOC |
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* @param p_go_on FIXME DOC |
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* @param p_stream the stream to write data to. |
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* @param p_manager the user event manager. |
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*/ |
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OPJ_BOOL opj_jp2_read_tile_header(opj_jp2_t * p_jp2, |
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OPJ_UINT32 * p_tile_index, |
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OPJ_UINT32 * p_data_size, |
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OPJ_INT32 * p_tile_x0, |
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OPJ_INT32 * p_tile_y0, |
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OPJ_INT32 * p_tile_x1, |
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OPJ_INT32 * p_tile_y1, |
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OPJ_UINT32 * p_nb_comps, |
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OPJ_BOOL * p_go_on, |
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opj_stream_private_t *p_stream, |
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opj_event_mgr_t * p_manager); |
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/** |
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* Writes a tile. |
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* |
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* @param p_jp2 the jpeg2000 codec. |
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* @param p_tile_index FIXME DOC |
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* @param p_data FIXME DOC |
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* @param p_data_size FIXME DOC |
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* @param p_stream the stream to write data to. |
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* @param p_manager the user event manager. |
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*/ |
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OPJ_BOOL opj_jp2_write_tile(opj_jp2_t *p_jp2, |
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OPJ_UINT32 p_tile_index, |
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OPJ_BYTE * p_data, |
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OPJ_UINT32 p_data_size, |
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opj_stream_private_t *p_stream, |
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opj_event_mgr_t * p_manager); |
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/** |
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* Decode tile data. |
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* @param p_jp2 the jpeg2000 codec. |
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* @param p_tile_index FIXME DOC |
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* @param p_data FIXME DOC |
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* @param p_data_size FIXME DOC |
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* @param p_stream the stream to write data to. |
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* @param p_manager the user event manager. |
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* |
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* @return FIXME DOC |
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*/ |
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OPJ_BOOL opj_jp2_decode_tile(opj_jp2_t * p_jp2, |
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OPJ_UINT32 p_tile_index, |
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OPJ_BYTE * p_data, |
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OPJ_UINT32 p_data_size, |
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opj_stream_private_t *p_stream, |
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opj_event_mgr_t * p_manager); |
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/** |
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* Creates a jpeg2000 file decompressor. |
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* |
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* @return an empty jpeg2000 file codec. |
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*/ |
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opj_jp2_t* opj_jp2_create(OPJ_BOOL p_is_decoder); |
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/** |
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Destroy a JP2 decompressor handle |
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@param jp2 JP2 decompressor handle to destroy |
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*/ |
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void opj_jp2_destroy(opj_jp2_t *jp2); |
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/** |
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* Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading. |
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* |
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* @param p_jp2 the jpeg2000 codec. |
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* @param p_image FIXME DOC |
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* @param p_start_x the left position of the rectangle to decode (in image coordinates). |
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* @param p_start_y the up position of the rectangle to decode (in image coordinates). |
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* @param p_end_x the right position of the rectangle to decode (in image coordinates). |
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* @param p_end_y the bottom position of the rectangle to decode (in image coordinates). |
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* @param p_manager the user event manager |
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* |
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* @return true if the area could be set. |
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*/ |
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OPJ_BOOL opj_jp2_set_decode_area(opj_jp2_t *p_jp2, |
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opj_image_t* p_image, |
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OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, |
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OPJ_INT32 p_end_x, OPJ_INT32 p_end_y, |
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opj_event_mgr_t * p_manager); |
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/** |
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* |
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*/ |
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OPJ_BOOL opj_jp2_get_tile(opj_jp2_t *p_jp2, |
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opj_stream_private_t *p_stream, |
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opj_image_t* p_image, |
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opj_event_mgr_t * p_manager, |
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OPJ_UINT32 tile_index); |
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/** |
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* |
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*/ |
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OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2, |
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OPJ_UINT32 res_factor, |
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opj_event_mgr_t * p_manager); |
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/* TODO MSD: clean these 3 functions */ |
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/** |
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* Dump some elements from the JP2 decompression structure . |
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* |
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*@param p_jp2 the jp2 codec. |
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*@param flag flag to describe what elements are dump. |
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*@param out_stream output stream where dump the elements. |
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* |
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*/ |
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void jp2_dump(opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream); |
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/** |
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* Get the codestream info from a JPEG2000 codec. |
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* |
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*@param p_jp2 jp2 codec. |
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* |
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*@return the codestream information extract from the jpg2000 codec |
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*/ |
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opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2); |
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/** |
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* Get the codestream index from a JPEG2000 codec. |
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* |
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*@param p_jp2 jp2 codec. |
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* |
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*@return the codestream index extract from the jpg2000 codec |
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*/ |
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opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2); |
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/*@}*/ |
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/*@}*/ |
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#endif /* OPJ_JP2_H */ |
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