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Diffstat (limited to 'openjpeg/src/lib/openjp2/openjpeg.h')
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diff --git a/openjpeg/src/lib/openjp2/openjpeg.h b/openjpeg/src/lib/openjp2/openjpeg.h new file mode 100644 index 000000000..988db7200 --- /dev/null +++ b/openjpeg/src/lib/openjp2/openjpeg.h @@ -0,0 +1,1559 @@ + /* + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third + * party and contributor rights, including patent rights, and no such rights + * are granted under this license. + * + * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2014, Professor Benoit Macq + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2007, Francois-Olivier Devaux + * Copyright (c) 2003-2014, Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2006-2007, Parvatha Elangovan + * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr> + * Copyright (c) 2010-2011, Kaori Hagihara + * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France + * Copyright (c) 2012, CS Systemes d'Information, France + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef OPENJPEG_H +#define OPENJPEG_H + + +/* +========================================================== + Compiler directives +========================================================== +*/ + +/* +The inline keyword is supported by C99 but not by C90. +Most compilers implement their own version of this keyword ... +*/ +#ifndef INLINE + #if defined(_MSC_VER) + #define INLINE __forceinline + #elif defined(__GNUC__) + #define INLINE __inline__ + #elif defined(__MWERKS__) + #define INLINE inline + #else + /* add other compilers here ... */ + #define INLINE + #endif /* defined(<Compiler>) */ +#endif /* INLINE */ + +/* deprecated attribute */ +#ifdef __GNUC__ + #define OPJ_DEPRECATED(func) func __attribute__ ((deprecated)) +#elif defined(_MSC_VER) + #define OPJ_DEPRECATED(func) __declspec(deprecated) func +#else + #pragma message("WARNING: You need to implement DEPRECATED for this compiler") + #define OPJ_DEPRECATED(func) func +#endif + +#if defined(OPJ_STATIC) || !defined(_WIN32) +/* http://gcc.gnu.org/wiki/Visibility */ +#if __GNUC__ >= 4 +#define OPJ_API __attribute__ ((visibility ("default"))) +#define OPJ_LOCAL __attribute__ ((visibility ("hidden"))) +#else +#define OPJ_API +#define OPJ_LOCAL +#endif +#define OPJ_CALLCONV +#else +#define OPJ_CALLCONV __stdcall +/* +The following ifdef block is the standard way of creating macros which make exporting +from a DLL simpler. All files within this DLL are compiled with the OPJ_EXPORTS +symbol defined on the command line. this symbol should not be defined on any project +that uses this DLL. This way any other project whose source files include this file see +OPJ_API functions as being imported from a DLL, wheras this DLL sees symbols +defined with this macro as being exported. +*/ +#if defined(OPJ_EXPORTS) || defined(DLL_EXPORT) +#define OPJ_API __declspec(dllexport) +#else +#define OPJ_API __declspec(dllimport) +#endif /* OPJ_EXPORTS */ +#endif /* !OPJ_STATIC || !_WIN32 */ + +typedef int OPJ_BOOL; +#define OPJ_TRUE 1 +#define OPJ_FALSE 0 + +typedef char OPJ_CHAR; +typedef float OPJ_FLOAT32; +typedef double OPJ_FLOAT64; +typedef unsigned char OPJ_BYTE; + +#include "opj_stdint.h" + +typedef int8_t OPJ_INT8; +typedef uint8_t OPJ_UINT8; +typedef int16_t OPJ_INT16; +typedef uint16_t OPJ_UINT16; +typedef int32_t OPJ_INT32; +typedef uint32_t OPJ_UINT32; +typedef int64_t OPJ_INT64; +typedef uint64_t OPJ_UINT64; + +typedef int64_t OPJ_OFF_T; /* 64-bit file offset type */ + +#include <stdio.h> +typedef size_t OPJ_SIZE_T; + +/* Avoid compile-time warning because parameter is not used */ +#define OPJ_ARG_NOT_USED(x) (void)(x) + +/* +========================================================== + Useful constant definitions +========================================================== +*/ + +#define OPJ_PATH_LEN 4096 /**< Maximum allowed size for filenames */ + +#define OPJ_J2K_MAXRLVLS 33 /**< Number of maximum resolution level authorized */ +#define OPJ_J2K_MAXBANDS (3*OPJ_J2K_MAXRLVLS-2) /**< Number of maximum sub-band linked to number of resolution level */ + +#define OPJ_J2K_DEFAULT_NB_SEGS 10 +#define OPJ_J2K_STREAM_CHUNK_SIZE 0x100000 /** 1 mega by default */ +#define OPJ_J2K_DEFAULT_HEADER_SIZE 1000 +#define OPJ_J2K_MCC_DEFAULT_NB_RECORDS 10 +#define OPJ_J2K_MCT_DEFAULT_NB_RECORDS 10 + +/* UniPG>> */ /* NOT YET USED IN THE V2 VERSION OF OPENJPEG */ +#define JPWL_MAX_NO_TILESPECS 16 /**< Maximum number of tile parts expected by JPWL: increase at your will */ +#define JPWL_MAX_NO_PACKSPECS 16 /**< Maximum number of packet parts expected by JPWL: increase at your will */ +#define JPWL_MAX_NO_MARKERS 512 /**< Maximum number of JPWL markers: increase at your will */ +#define JPWL_PRIVATEINDEX_NAME "jpwl_index_privatefilename" /**< index file name used when JPWL is on */ +#define JPWL_EXPECTED_COMPONENTS 3 /**< Expect this number of components, so you'll find better the first EPB */ +#define JPWL_MAXIMUM_TILES 8192 /**< Expect this maximum number of tiles, to avoid some crashes */ +#define JPWL_MAXIMUM_HAMMING 2 /**< Expect this maximum number of bit errors in marker id's */ +#define JPWL_MAXIMUM_EPB_ROOM 65450 /**< Expect this maximum number of bytes for composition of EPBs */ +/* <<UniPG */ + +/** + * EXPERIMENTAL FOR THE MOMENT + * Supported options about file information used only in j2k_dump +*/ +#define OPJ_IMG_INFO 1 /**< Basic image information provided to the user */ +#define OPJ_J2K_MH_INFO 2 /**< Codestream information based only on the main header */ +#define OPJ_J2K_TH_INFO 4 /**< Tile information based on the current tile header */ +#define OPJ_J2K_TCH_INFO 8 /**< Tile/Component information of all tiles */ +#define OPJ_J2K_MH_IND 16 /**< Codestream index based only on the main header */ +#define OPJ_J2K_TH_IND 32 /**< Tile index based on the current tile */ +/*FIXME #define OPJ_J2K_CSTR_IND 48*/ /**< */ +#define OPJ_JP2_INFO 128 /**< JP2 file information */ +#define OPJ_JP2_IND 256 /**< JP2 file index */ + +/** + * JPEG 2000 Profiles, see Table A.10 from 15444-1 (updated in various AMD) + * These values help chosing the RSIZ value for the J2K codestream. + * The RSIZ value triggers various encoding options, as detailed in Table A.10. + * If OPJ_PROFILE_PART2 is chosen, it has to be combined with one or more extensions + * described hereunder. + * Example: rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT; + * For broadcast profiles, the OPJ_PROFILE value has to be combined with the targeted + * mainlevel (3-0 LSB, value between 0 and 11): + * Example: rsiz = OPJ_PROFILE_BC_MULTI | 0x0005; (here mainlevel 5) + * For IMF profiles, the OPJ_PROFILE value has to be combined with the targeted mainlevel + * (3-0 LSB, value between 0 and 11) and sublevel (7-4 LSB, value between 0 and 9): + * Example: rsiz = OPJ_PROFILE_IMF_2K | 0x0040 | 0x0005; (here main 5 and sublevel 4) + * */ +#define OPJ_PROFILE_NONE 0x0000 /** no profile, conform to 15444-1 */ +#define OPJ_PROFILE_0 0x0001 /** Profile 0 as described in 15444-1,Table A.45 */ +#define OPJ_PROFILE_1 0x0002 /** Profile 1 as described in 15444-1,Table A.45 */ +#define OPJ_PROFILE_PART2 0x8000 /** At least 1 extension defined in 15444-2 (Part-2) */ +#define OPJ_PROFILE_CINEMA_2K 0x0003 /** 2K cinema profile defined in 15444-1 AMD1 */ +#define OPJ_PROFILE_CINEMA_4K 0x0004 /** 4K cinema profile defined in 15444-1 AMD1 */ +#define OPJ_PROFILE_CINEMA_S2K 0x0005 /** Scalable 2K cinema profile defined in 15444-1 AMD2 */ +#define OPJ_PROFILE_CINEMA_S4K 0x0006 /** Scalable 4K cinema profile defined in 15444-1 AMD2 */ +#define OPJ_PROFILE_CINEMA_LTS 0x0007 /** Long term storage cinema profile defined in 15444-1 AMD2 */ +#define OPJ_PROFILE_BC_SINGLE 0x0100 /** Single Tile Broadcast profile defined in 15444-1 AMD3 */ +#define OPJ_PROFILE_BC_MULTI 0x0200 /** Multi Tile Broadcast profile defined in 15444-1 AMD3 */ +#define OPJ_PROFILE_BC_MULTI_R 0x0300 /** Multi Tile Reversible Broadcast profile defined in 15444-1 AMD3 */ +#define OPJ_PROFILE_IMF_2K 0x0400 /** 2K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */ +#define OPJ_PROFILE_IMF_4K 0x0401 /** 4K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */ +#define OPJ_PROFILE_IMF_8K 0x0402 /** 8K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */ +#define OPJ_PROFILE_IMF_2K_R 0x0403 /** 2K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */ +#define OPJ_PROFILE_IMF_4K_R 0x0800 /** 4K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */ +#define OPJ_PROFILE_IMF_8K_R 0x0801 /** 8K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */ + +/** + * JPEG 2000 Part-2 extensions + * */ +#define OPJ_EXTENSION_NONE 0x0000 /** No Part-2 extension */ +#define OPJ_EXTENSION_MCT 0x0100 /** Custom MCT support */ + +/** + * JPEG 2000 profile macros + * */ +#define OPJ_IS_CINEMA(v) (((v) >= OPJ_PROFILE_CINEMA_2K)&&((v) <= OPJ_PROFILE_CINEMA_S4K)) +#define OPJ_IS_STORAGE(v) ((v) == OPJ_PROFILE_CINEMA_LTS) +#define OPJ_IS_BROADCAST(v) (((v) >= OPJ_PROFILE_BC_SINGLE)&&((v) <= ((OPJ_PROFILE_BC_MULTI_R) | (0x000b)))) +#define OPJ_IS_IMF(v) (((v) >= OPJ_PROFILE_IMF_2K)&&((v) <= ((OPJ_PROFILE_IMF_8K_R) | (0x009b)))) +#define OPJ_IS_PART2(v) ((v) & OPJ_PROFILE_PART2) + +/** + * JPEG 2000 codestream and component size limits in cinema profiles + * */ +#define OPJ_CINEMA_24_CS 1302083 /** Maximum codestream length for 24fps */ +#define OPJ_CINEMA_48_CS 651041 /** Maximum codestream length for 48fps */ +#define OPJ_CINEMA_24_COMP 1041666 /** Maximum size per color component for 2K & 4K @ 24fps */ +#define OPJ_CINEMA_48_COMP 520833 /** Maximum size per color component for 2K @ 48fps */ + +/* +========================================================== + enum definitions +========================================================== +*/ + +/** + * DEPRECATED: use RSIZ, OPJ_PROFILE_* and OPJ_EXTENSION_* instead + * Rsiz Capabilities + * */ +typedef enum RSIZ_CAPABILITIES { + OPJ_STD_RSIZ = 0, /** Standard JPEG2000 profile*/ + OPJ_CINEMA2K = 3, /** Profile name for a 2K image*/ + OPJ_CINEMA4K = 4, /** Profile name for a 4K image*/ + OPJ_MCT = 0x8100 +} OPJ_RSIZ_CAPABILITIES; + +/** + * DEPRECATED: use RSIZ, OPJ_PROFILE_* and OPJ_EXTENSION_* instead + * Digital cinema operation mode + * */ +typedef enum CINEMA_MODE { + OPJ_OFF = 0, /** Not Digital Cinema*/ + OPJ_CINEMA2K_24 = 1, /** 2K Digital Cinema at 24 fps*/ + OPJ_CINEMA2K_48 = 2, /** 2K Digital Cinema at 48 fps*/ + OPJ_CINEMA4K_24 = 3 /** 4K Digital Cinema at 24 fps*/ +}OPJ_CINEMA_MODE; + +/** + * Progression order + * */ +typedef enum PROG_ORDER { + OPJ_PROG_UNKNOWN = -1, /**< place-holder */ + OPJ_LRCP = 0, /**< layer-resolution-component-precinct order */ + OPJ_RLCP = 1, /**< resolution-layer-component-precinct order */ + OPJ_RPCL = 2, /**< resolution-precinct-component-layer order */ + OPJ_PCRL = 3, /**< precinct-component-resolution-layer order */ + OPJ_CPRL = 4 /**< component-precinct-resolution-layer order */ +} OPJ_PROG_ORDER; + +/** + * Supported image color spaces +*/ +typedef enum COLOR_SPACE { + OPJ_CLRSPC_UNKNOWN = -1, /**< not supported by the library */ + OPJ_CLRSPC_UNSPECIFIED = 0, /**< not specified in the codestream */ + OPJ_CLRSPC_SRGB = 1, /**< sRGB */ + OPJ_CLRSPC_GRAY = 2, /**< grayscale */ + OPJ_CLRSPC_SYCC = 3, /**< YUV */ + OPJ_CLRSPC_EYCC = 4, /**< e-YCC */ + OPJ_CLRSPC_CMYK = 5 /**< CMYK */ +} OPJ_COLOR_SPACE; + +/** + * Supported codec +*/ +typedef enum CODEC_FORMAT { + OPJ_CODEC_UNKNOWN = -1, /**< place-holder */ + OPJ_CODEC_J2K = 0, /**< JPEG-2000 codestream : read/write */ + OPJ_CODEC_JPT = 1, /**< JPT-stream (JPEG 2000, JPIP) : read only */ + OPJ_CODEC_JP2 = 2, /**< JP2 file format : read/write */ + OPJ_CODEC_JPP = 3, /**< JPP-stream (JPEG 2000, JPIP) : to be coded */ + OPJ_CODEC_JPX = 4 /**< JPX file format (JPEG 2000 Part-2) : to be coded */ +} OPJ_CODEC_FORMAT; + + +/* +========================================================== + event manager typedef definitions +========================================================== +*/ + +/** + * Callback function prototype for events + * @param msg Event message + * @param client_data Client object where will be return the event message + * */ +typedef void (*opj_msg_callback) (const char *msg, void *client_data); + +/* +========================================================== + codec typedef definitions +========================================================== +*/ + +/** + * Progression order changes + * + */ +typedef struct opj_poc { + /** Resolution num start, Component num start, given by POC */ + OPJ_UINT32 resno0, compno0; + /** Layer num end,Resolution num end, Component num end, given by POC */ + OPJ_UINT32 layno1, resno1, compno1; + /** Layer num start,Precinct num start, Precinct num end */ + OPJ_UINT32 layno0, precno0, precno1; + /** Progression order enum*/ + OPJ_PROG_ORDER prg1,prg; + /** Progression order string*/ + OPJ_CHAR progorder[5]; + /** Tile number */ + OPJ_UINT32 tile; + /** Start and end values for Tile width and height*/ + OPJ_INT32 tx0,tx1,ty0,ty1; + /** Start value, initialised in pi_initialise_encode*/ + OPJ_UINT32 layS, resS, compS, prcS; + /** End value, initialised in pi_initialise_encode */ + OPJ_UINT32 layE, resE, compE, prcE; + /** Start and end values of Tile width and height, initialised in pi_initialise_encode*/ + OPJ_UINT32 txS,txE,tyS,tyE,dx,dy; + /** Temporary values for Tile parts, initialised in pi_create_encode */ + OPJ_UINT32 lay_t, res_t, comp_t, prc_t,tx0_t,ty0_t; +} opj_poc_t; + +/** + * Compression parameters + * */ +typedef struct opj_cparameters { + /** size of tile: tile_size_on = false (not in argument) or = true (in argument) */ + OPJ_BOOL tile_size_on; + /** XTOsiz */ + int cp_tx0; + /** YTOsiz */ + int cp_ty0; + /** XTsiz */ + int cp_tdx; + /** YTsiz */ + int cp_tdy; + /** allocation by rate/distortion */ + int cp_disto_alloc; + /** allocation by fixed layer */ + int cp_fixed_alloc; + /** add fixed_quality */ + int cp_fixed_quality; + /** fixed layer */ + int *cp_matrice; + /** comment for coding */ + char *cp_comment; + /** csty : coding style */ + int csty; + /** progression order (default OPJ_LRCP) */ + OPJ_PROG_ORDER prog_order; + /** progression order changes */ + opj_poc_t POC[32]; + /** number of progression order changes (POC), default to 0 */ + OPJ_UINT32 numpocs; + /** number of layers */ + int tcp_numlayers; + /** rates of layers - might be subsequently limited by the max_cs_size field */ + float tcp_rates[100]; + /** different psnr for successive layers */ + float tcp_distoratio[100]; + /** number of resolutions */ + int numresolution; + /** initial code block width, default to 64 */ + int cblockw_init; + /** initial code block height, default to 64 */ + int cblockh_init; + /** mode switch (cblk_style) */ + int mode; + /** 1 : use the irreversible DWT 9-7, 0 : use lossless compression (default) */ + int irreversible; + /** region of interest: affected component in [0..3], -1 means no ROI */ + int roi_compno; + /** region of interest: upshift value */ + int roi_shift; + /* number of precinct size specifications */ + int res_spec; + /** initial precinct width */ + int prcw_init[OPJ_J2K_MAXRLVLS]; + /** initial precinct height */ + int prch_init[OPJ_J2K_MAXRLVLS]; + + /**@name command line encoder parameters (not used inside the library) */ + /*@{*/ + /** input file name */ + char infile[OPJ_PATH_LEN]; + /** output file name */ + char outfile[OPJ_PATH_LEN]; + /** DEPRECATED. Index generation is now handeld with the opj_encode_with_info() function. Set to NULL */ + int index_on; + /** DEPRECATED. Index generation is now handeld with the opj_encode_with_info() function. Set to NULL */ + char index[OPJ_PATH_LEN]; + /** subimage encoding: origin image offset in x direction */ + int image_offset_x0; + /** subimage encoding: origin image offset in y direction */ + int image_offset_y0; + /** subsampling value for dx */ + int subsampling_dx; + /** subsampling value for dy */ + int subsampling_dy; + /** input file format 0: PGX, 1: PxM, 2: BMP 3:TIF*/ + int decod_format; + /** output file format 0: J2K, 1: JP2, 2: JPT */ + int cod_format; + /*@}*/ + +/* UniPG>> */ /* NOT YET USED IN THE V2 VERSION OF OPENJPEG */ + /**@name JPWL encoding parameters */ + /*@{*/ + /** enables writing of EPC in MH, thus activating JPWL */ + OPJ_BOOL jpwl_epc_on; + /** error protection method for MH (0,1,16,32,37-128) */ + int jpwl_hprot_MH; + /** tile number of header protection specification (>=0) */ + int jpwl_hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS]; + /** error protection methods for TPHs (0,1,16,32,37-128) */ + int jpwl_hprot_TPH[JPWL_MAX_NO_TILESPECS]; + /** tile number of packet protection specification (>=0) */ + int jpwl_pprot_tileno[JPWL_MAX_NO_PACKSPECS]; + /** packet number of packet protection specification (>=0) */ + int jpwl_pprot_packno[JPWL_MAX_NO_PACKSPECS]; + /** error protection methods for packets (0,1,16,32,37-128) */ + int jpwl_pprot[JPWL_MAX_NO_PACKSPECS]; + /** enables writing of ESD, (0=no/1/2 bytes) */ + int jpwl_sens_size; + /** sensitivity addressing size (0=auto/2/4 bytes) */ + int jpwl_sens_addr; + /** sensitivity range (0-3) */ + int jpwl_sens_range; + /** sensitivity method for MH (-1=no,0-7) */ + int jpwl_sens_MH; + /** tile number of sensitivity specification (>=0) */ + int jpwl_sens_TPH_tileno[JPWL_MAX_NO_TILESPECS]; + /** sensitivity methods for TPHs (-1=no,0-7) */ + int jpwl_sens_TPH[JPWL_MAX_NO_TILESPECS]; + /*@}*/ +/* <<UniPG */ + + /** + * DEPRECATED: use RSIZ, OPJ_PROFILE_* and MAX_COMP_SIZE instead + * Digital Cinema compliance 0-not compliant, 1-compliant + * */ + OPJ_CINEMA_MODE cp_cinema; + /** + * Maximum size (in bytes) for each component. + * If == 0, component size limitation is not considered + * */ + int max_comp_size; + /** + * DEPRECATED: use RSIZ, OPJ_PROFILE_* and OPJ_EXTENSION_* instead + * Profile name + * */ + OPJ_RSIZ_CAPABILITIES cp_rsiz; + /** Tile part generation*/ + char tp_on; + /** Flag for Tile part generation*/ + char tp_flag; + /** MCT (multiple component transform) */ + char tcp_mct; + /** Enable JPIP indexing*/ + OPJ_BOOL jpip_on; + /** Naive implementation of MCT restricted to a single reversible array based + encoding without offset concerning all the components. */ + void * mct_data; + /** + * Maximum size (in bytes) for the whole codestream. + * If == 0, codestream size limitation is not considered + * If it does not comply with tcp_rates, max_cs_size prevails + * and a warning is issued. + * */ + int max_cs_size; + /** RSIZ value + To be used to combine OPJ_PROFILE_*, OPJ_EXTENSION_* and (sub)levels values. */ + OPJ_UINT16 rsiz; +} opj_cparameters_t; + +#define OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG 0x0001 + +/** + * Decompression parameters + * */ +typedef struct opj_dparameters { + /** + Set the number of highest resolution levels to be discarded. + The image resolution is effectively divided by 2 to the power of the number of discarded levels. + The reduce factor is limited by the smallest total number of decomposition levels among tiles. + if != 0, then original dimension divided by 2^(reduce); + if == 0 or not used, image is decoded to the full resolution + */ + OPJ_UINT32 cp_reduce; + /** + Set the maximum number of quality layers to decode. + If there are less quality layers than the specified number, all the quality layers are decoded. + if != 0, then only the first "layer" layers are decoded; + if == 0 or not used, all the quality layers are decoded + */ + OPJ_UINT32 cp_layer; + + /**@name command line decoder parameters (not used inside the library) */ + /*@{*/ + /** input file name */ + char infile[OPJ_PATH_LEN]; + /** output file name */ + char outfile[OPJ_PATH_LEN]; + /** input file format 0: J2K, 1: JP2, 2: JPT */ + int decod_format; + /** output file format 0: PGX, 1: PxM, 2: BMP */ + int cod_format; + + /** Decoding area left boundary */ + OPJ_UINT32 DA_x0; + /** Decoding area right boundary */ + OPJ_UINT32 DA_x1; + /** Decoding area up boundary */ + OPJ_UINT32 DA_y0; + /** Decoding area bottom boundary */ + OPJ_UINT32 DA_y1; + /** Verbose mode */ + OPJ_BOOL m_verbose; + + /** tile number ot the decoded tile*/ + OPJ_UINT32 tile_index; + /** Nb of tile to decode */ + OPJ_UINT32 nb_tile_to_decode; + + /*@}*/ + +/* UniPG>> */ /* NOT YET USED IN THE V2 VERSION OF OPENJPEG */ + /**@name JPWL decoding parameters */ + /*@{*/ + /** activates the JPWL correction capabilities */ + OPJ_BOOL jpwl_correct; + /** expected number of components */ + int jpwl_exp_comps; + /** maximum number of tiles */ + int jpwl_max_tiles; + /*@}*/ +/* <<UniPG */ + + unsigned int flags; + +} opj_dparameters_t; + + +/** + * JPEG2000 codec V2. + * */ +typedef void * opj_codec_t; + +/* +========================================================== + I/O stream typedef definitions +========================================================== +*/ + +/** + * Stream open flags. + * */ +/** The stream was opened for reading. */ +#define OPJ_STREAM_READ OPJ_TRUE +/** The stream was opened for writing. */ +#define OPJ_STREAM_WRITE OPJ_FALSE + +/* + * Callback function prototype for read function + */ +typedef OPJ_SIZE_T (* opj_stream_read_fn) (void * p_buffer, OPJ_SIZE_T p_nb_bytes, void * p_user_data) ; + +/* + * Callback function prototype for write function + */ +typedef OPJ_SIZE_T (* opj_stream_write_fn) (void * p_buffer, OPJ_SIZE_T p_nb_bytes, void * p_user_data) ; + +/* + * Callback function prototype for skip function + */ +typedef OPJ_OFF_T (* opj_stream_skip_fn) (OPJ_OFF_T p_nb_bytes, void * p_user_data) ; + +/* + * Callback function prototype for seek function + */ +typedef OPJ_BOOL (* opj_stream_seek_fn) (OPJ_OFF_T p_nb_bytes, void * p_user_data) ; + +/* + * Callback function prototype for free user data function + */ +typedef void (* opj_stream_free_user_data_fn) (void * p_user_data) ; + +/* + * JPEG2000 Stream. + */ +typedef void * opj_stream_t; + +/* +========================================================== + image typedef definitions +========================================================== +*/ + +/** + * Defines a single image component + * */ +typedef struct opj_image_comp { + /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */ + OPJ_UINT32 dx; + /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */ + OPJ_UINT32 dy; + /** data width */ + OPJ_UINT32 w; + /** data height */ + OPJ_UINT32 h; + /** x component offset compared to the whole image */ + OPJ_UINT32 x0; + /** y component offset compared to the whole image */ + OPJ_UINT32 y0; + /** precision */ + OPJ_UINT32 prec; + /** image depth in bits */ + OPJ_UINT32 bpp; + /** signed (1) / unsigned (0) */ + OPJ_UINT32 sgnd; + /** number of decoded resolution */ + OPJ_UINT32 resno_decoded; + /** number of division by 2 of the out image compared to the original size of image */ + OPJ_UINT32 factor; + /** image component data */ + OPJ_INT32 *data; + /** alpha channel */ + OPJ_UINT16 alpha; +} opj_image_comp_t; + +/** + * Defines image data and characteristics + * */ +typedef struct opj_image { + /** XOsiz: horizontal offset from the origin of the reference grid to the left side of the image area */ + OPJ_UINT32 x0; + /** YOsiz: vertical offset from the origin of the reference grid to the top side of the image area */ + OPJ_UINT32 y0; + /** Xsiz: width of the reference grid */ + OPJ_UINT32 x1; + /** Ysiz: height of the reference grid */ + OPJ_UINT32 y1; + /** number of components in the image */ + OPJ_UINT32 numcomps; + /** color space: sRGB, Greyscale or YUV */ + OPJ_COLOR_SPACE color_space; + /** image components */ + opj_image_comp_t *comps; + /** 'restricted' ICC profile */ + OPJ_BYTE *icc_profile_buf; + /** size of ICC profile */ + OPJ_UINT32 icc_profile_len; +} opj_image_t; + + +/** + * Component parameters structure used by the opj_image_create function + * */ +typedef struct opj_image_comptparm { + /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */ + OPJ_UINT32 dx; + /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */ + OPJ_UINT32 dy; + /** data width */ + OPJ_UINT32 w; + /** data height */ + OPJ_UINT32 h; + /** x component offset compared to the whole image */ + OPJ_UINT32 x0; + /** y component offset compared to the whole image */ + OPJ_UINT32 y0; + /** precision */ + OPJ_UINT32 prec; + /** image depth in bits */ + OPJ_UINT32 bpp; + /** signed (1) / unsigned (0) */ + OPJ_UINT32 sgnd; +} opj_image_cmptparm_t; + + +/* +========================================================== + Information on the JPEG 2000 codestream +========================================================== +*/ +/* QUITE EXPERIMENTAL FOR THE MOMENT */ + +/** + * Index structure : Information concerning a packet inside tile + * */ +typedef struct opj_packet_info { + /** packet start position (including SOP marker if it exists) */ + OPJ_OFF_T start_pos; + /** end of packet header position (including EPH marker if it exists)*/ + OPJ_OFF_T end_ph_pos; + /** packet end position */ + OPJ_OFF_T end_pos; + /** packet distorsion */ + double disto; +} opj_packet_info_t; + + +/* UniPG>> */ +/** + * Marker structure + * */ +typedef struct opj_marker_info { + /** marker type */ + unsigned short int type; + /** position in codestream */ + OPJ_OFF_T pos; + /** length, marker val included */ + int len; +} opj_marker_info_t; +/* <<UniPG */ + +/** + * Index structure : Information concerning tile-parts +*/ +typedef struct opj_tp_info { + /** start position of tile part */ + int tp_start_pos; + /** end position of tile part header */ + int tp_end_header; + /** end position of tile part */ + int tp_end_pos; + /** start packet of tile part */ + int tp_start_pack; + /** number of packets of tile part */ + int tp_numpacks; +} opj_tp_info_t; + +/** + * Index structure : information regarding tiles +*/ +typedef struct opj_tile_info { + /** value of thresh for each layer by tile cfr. Marcela */ + double *thresh; + /** number of tile */ + int tileno; + /** start position */ + int start_pos; + /** end position of the header */ + int end_header; + /** end position */ + int end_pos; + /** precinct number for each resolution level (width) */ + int pw[33]; + /** precinct number for each resolution level (height) */ + int ph[33]; + /** precinct size (in power of 2), in X for each resolution level */ + int pdx[33]; + /** precinct size (in power of 2), in Y for each resolution level */ + int pdy[33]; + /** information concerning packets inside tile */ + opj_packet_info_t *packet; + /** add fixed_quality */ + int numpix; + /** add fixed_quality */ + double distotile; + /** number of markers */ + int marknum; + /** list of markers */ + opj_marker_info_t *marker; + /** actual size of markers array */ + int maxmarknum; + /** number of tile parts */ + int num_tps; + /** information concerning tile parts */ + opj_tp_info_t *tp; +} opj_tile_info_t; + +/** + * Index structure of the codestream +*/ +typedef struct opj_codestream_info { + /** maximum distortion reduction on the whole image (add for Marcela) */ + double D_max; + /** packet number */ + int packno; + /** writing the packet in the index with t2_encode_packets */ + int index_write; + /** image width */ + int image_w; + /** image height */ + int image_h; + /** progression order */ + OPJ_PROG_ORDER prog; + /** tile size in x */ + int tile_x; + /** tile size in y */ + int tile_y; + /** */ + int tile_Ox; + /** */ + int tile_Oy; + /** number of tiles in X */ + int tw; + /** number of tiles in Y */ + int th; + /** component numbers */ + int numcomps; + /** number of layer */ + int numlayers; + /** number of decomposition for each component */ + int *numdecompos; +/* UniPG>> */ + /** number of markers */ + int marknum; + /** list of markers */ + opj_marker_info_t *marker; + /** actual size of markers array */ + int maxmarknum; +/* <<UniPG */ + /** main header position */ + int main_head_start; + /** main header position */ + int main_head_end; + /** codestream's size */ + int codestream_size; + /** information regarding tiles inside image */ + opj_tile_info_t *tile; +} opj_codestream_info_t; + +/* <----------------------------------------------------------- */ +/* new output managment of the codestream information and index */ + +/** + * Tile-component coding parameters information + */ +typedef struct opj_tccp_info +{ + /** component index */ + OPJ_UINT32 compno; + /** coding style */ + OPJ_UINT32 csty; + /** number of resolutions */ + OPJ_UINT32 numresolutions; + /** code-blocks width */ + OPJ_UINT32 cblkw; + /** code-blocks height */ + OPJ_UINT32 cblkh; + /** code-block coding style */ + OPJ_UINT32 cblksty; + /** discrete wavelet transform identifier */ + OPJ_UINT32 qmfbid; + /** quantisation style */ + OPJ_UINT32 qntsty; + /** stepsizes used for quantization */ + OPJ_UINT32 stepsizes_mant[OPJ_J2K_MAXBANDS]; + /** stepsizes used for quantization */ + OPJ_UINT32 stepsizes_expn[OPJ_J2K_MAXBANDS]; + /** number of guard bits */ + OPJ_UINT32 numgbits; + /** Region Of Interest shift */ + OPJ_INT32 roishift; + /** precinct width */ + OPJ_UINT32 prcw[OPJ_J2K_MAXRLVLS]; + /** precinct height */ + OPJ_UINT32 prch[OPJ_J2K_MAXRLVLS]; +} +opj_tccp_info_t; + +/** + * Tile coding parameters information + */ +typedef struct opj_tile_v2_info { + + /** number (index) of tile */ + int tileno; + /** coding style */ + OPJ_UINT32 csty; + /** progression order */ + OPJ_PROG_ORDER prg; + /** number of layers */ + OPJ_UINT32 numlayers; + /** multi-component transform identifier */ + OPJ_UINT32 mct; + + /** information concerning tile component parameters*/ + opj_tccp_info_t *tccp_info; + +} opj_tile_info_v2_t; + +/** + * Information structure about the codestream (FIXME should be expand and enhance) + */ +typedef struct opj_codestream_info_v2 { + /* Tile info */ + /** tile origin in x = XTOsiz */ + OPJ_UINT32 tx0; + /** tile origin in y = YTOsiz */ + OPJ_UINT32 ty0; + /** tile size in x = XTsiz */ + OPJ_UINT32 tdx; + /** tile size in y = YTsiz */ + OPJ_UINT32 tdy; + /** number of tiles in X */ + OPJ_UINT32 tw; + /** number of tiles in Y */ + OPJ_UINT32 th; + + /** number of components*/ + OPJ_UINT32 nbcomps; + + /** Default information regarding tiles inside image */ + opj_tile_info_v2_t m_default_tile_info; + + /** information regarding tiles inside image */ + opj_tile_info_v2_t *tile_info; /* FIXME not used for the moment */ + +} opj_codestream_info_v2_t; + + +/** + * Index structure about a tile part + */ +typedef struct opj_tp_index { + /** start position */ + OPJ_OFF_T start_pos; + /** end position of the header */ + OPJ_OFF_T end_header; + /** end position */ + OPJ_OFF_T end_pos; + +} opj_tp_index_t; + +/** + * Index structure about a tile + */ +typedef struct opj_tile_index { + /** tile index */ + OPJ_UINT32 tileno; + + /** number of tile parts */ + OPJ_UINT32 nb_tps; + /** current nb of tile part (allocated)*/ + OPJ_UINT32 current_nb_tps; + /** current tile-part index */ + OPJ_UINT32 current_tpsno; + /** information concerning tile parts */ + opj_tp_index_t *tp_index; + + /* UniPG>> */ /* NOT USED FOR THE MOMENT IN THE V2 VERSION */ + /** number of markers */ + OPJ_UINT32 marknum; + /** list of markers */ + opj_marker_info_t *marker; + /** actual size of markers array */ + OPJ_UINT32 maxmarknum; + /* <<UniPG */ + + /** packet number */ + OPJ_UINT32 nb_packet; + /** information concerning packets inside tile */ + opj_packet_info_t *packet_index; + +} opj_tile_index_t; + +/** + * Index structure of the codestream (FIXME should be expand and enhance) + */ +typedef struct opj_codestream_index { + /** main header start position (SOC position) */ + OPJ_OFF_T main_head_start; + /** main header end position (first SOT position) */ + OPJ_OFF_T main_head_end; + + /** codestream's size */ + OPJ_UINT64 codestream_size; + +/* UniPG>> */ /* NOT USED FOR THE MOMENT IN THE V2 VERSION */ + /** number of markers */ + OPJ_UINT32 marknum; + /** list of markers */ + opj_marker_info_t *marker; + /** actual size of markers array */ + OPJ_UINT32 maxmarknum; +/* <<UniPG */ + + /** */ + OPJ_UINT32 nb_of_tiles; + /** */ + opj_tile_index_t *tile_index; /* FIXME not used for the moment */ + +}opj_codestream_index_t; +/* -----------------------------------------------------------> */ + +/* +========================================================== + Metadata from the JP2file +========================================================== +*/ + +/** + * Info structure of the JP2 file + * EXPERIMENTAL FOR THE MOMENT + */ +typedef struct opj_jp2_metadata { + /** */ + OPJ_INT32 not_used; + +} opj_jp2_metadata_t; + +/** + * Index structure of the JP2 file + * EXPERIMENTAL FOR THE MOMENT + */ +typedef struct opj_jp2_index { + /** */ + OPJ_INT32 not_used; + +} opj_jp2_index_t; + + +#ifdef __cplusplus +extern "C" { +#endif + + +/* +========================================================== + openjpeg version +========================================================== +*/ + +/* Get the version of the openjpeg library*/ +OPJ_API const char * OPJ_CALLCONV opj_version(void); + +/* +========================================================== + image functions definitions +========================================================== +*/ + +/** + * Create an image + * + * @param numcmpts number of components + * @param cmptparms components parameters + * @param clrspc image color space + * @return returns a new image structure if successful, returns NULL otherwise + * */ +OPJ_API opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc); + +/** + * Deallocate any resources associated with an image + * + * @param image image to be destroyed + */ +OPJ_API void OPJ_CALLCONV opj_image_destroy(opj_image_t *image); + +/** + * Creates an image without allocating memory for the image (used in the new version of the library). + * + * @param numcmpts the number of components + * @param cmptparms the components parameters + * @param clrspc the image color space + * + * @return a new image structure if successful, NULL otherwise. +*/ +OPJ_API opj_image_t* OPJ_CALLCONV opj_image_tile_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc); + +/* +========================================================== + stream functions definitions +========================================================== +*/ + +/** + * Creates an abstract stream. This function does nothing except allocating memory and initializing the abstract stream. + * + * @param p_is_input if set to true then the stream will be an input stream, an output stream else. + * + * @return a stream object. +*/ +OPJ_API opj_stream_t* OPJ_CALLCONV opj_stream_default_create(OPJ_BOOL p_is_input); + +/** + * Creates an abstract stream. This function does nothing except allocating memory and initializing the abstract stream. + * + * @param p_buffer_size FIXME DOC + * @param p_is_input if set to true then the stream will be an input stream, an output stream else. + * + * @return a stream object. +*/ +OPJ_API opj_stream_t* OPJ_CALLCONV opj_stream_create(OPJ_SIZE_T p_buffer_size, OPJ_BOOL p_is_input); + +/** + * Destroys a stream created by opj_create_stream. This function does NOT close the abstract stream. If needed the user must + * close its own implementation of the stream. + * + * @param p_stream the stream to destroy. + */ +OPJ_API void OPJ_CALLCONV opj_stream_destroy(opj_stream_t* p_stream); + +/** + * Sets the given function to be used as a read function. + * @param p_stream the stream to modify + * @param p_function the function to use a read function. +*/ +OPJ_API void OPJ_CALLCONV opj_stream_set_read_function(opj_stream_t* p_stream, opj_stream_read_fn p_function); + +/** + * Sets the given function to be used as a write function. + * @param p_stream the stream to modify + * @param p_function the function to use a write function. +*/ +OPJ_API void OPJ_CALLCONV opj_stream_set_write_function(opj_stream_t* p_stream, opj_stream_write_fn p_function); + +/** + * Sets the given function to be used as a skip function. + * @param p_stream the stream to modify + * @param p_function the function to use a skip function. +*/ +OPJ_API void OPJ_CALLCONV opj_stream_set_skip_function(opj_stream_t* p_stream, opj_stream_skip_fn p_function); + +/** + * Sets the given function to be used as a seek function, the stream is then seekable. + * @param p_stream the stream to modify + * @param p_function the function to use a skip function. +*/ +OPJ_API void OPJ_CALLCONV opj_stream_set_seek_function(opj_stream_t* p_stream, opj_stream_seek_fn p_function); + +/** + * Sets the given data to be used as a user data for the stream. + * @param p_stream the stream to modify + * @param p_data the data to set. + * @param p_function the function to free p_data when opj_stream_destroy() is called. +*/ +OPJ_API void OPJ_CALLCONV opj_stream_set_user_data (opj_stream_t* p_stream, void * p_data, opj_stream_free_user_data_fn p_function); + +/** + * Sets the length of the user data for the stream. + * + * @param p_stream the stream to modify + * @param data_length length of the user_data. +*/ +OPJ_API void OPJ_CALLCONV opj_stream_set_user_data_length(opj_stream_t* p_stream, OPJ_UINT64 data_length); + +/** + * Create a stream from a file identified with its filename with default parameters (helper function) + * @param fname the filename of the file to stream + * @param p_is_read_stream whether the stream is a read stream (true) or not (false) +*/ +OPJ_API opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (const char *fname, OPJ_BOOL p_is_read_stream); + +/** Create a stream from a file identified with its filename with a specific buffer size + * @param fname the filename of the file to stream + * @param p_buffer_size size of the chunk used to stream + * @param p_is_read_stream whether the stream is a read stream (true) or not (false) +*/ +OPJ_API opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (const char *fname, + OPJ_SIZE_T p_buffer_size, + OPJ_BOOL p_is_read_stream); + +/* +========================================================== + event manager functions definitions +========================================================== +*/ +/** + * Set the info handler use by openjpeg. + * @param p_codec the codec previously initialise + * @param p_callback the callback function which will be used + * @param p_user_data client object where will be returned the message +*/ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_set_info_handler(opj_codec_t * p_codec, + opj_msg_callback p_callback, + void * p_user_data); +/** + * Set the warning handler use by openjpeg. + * @param p_codec the codec previously initialise + * @param p_callback the callback function which will be used + * @param p_user_data client object where will be returned the message +*/ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_set_warning_handler(opj_codec_t * p_codec, + opj_msg_callback p_callback, + void * p_user_data); +/** + * Set the error handler use by openjpeg. + * @param p_codec the codec previously initialise + * @param p_callback the callback function which will be used + * @param p_user_data client object where will be returned the message +*/ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_set_error_handler(opj_codec_t * p_codec, + opj_msg_callback p_callback, + void * p_user_data); + +/* +========================================================== + codec functions definitions +========================================================== +*/ + +/** + * Creates a J2K/JP2 decompression structure + * @param format Decoder to select + * + * @return Returns a handle to a decompressor if successful, returns NULL otherwise + * */ +OPJ_API opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format); + +/** + * Destroy a decompressor handle + * + * @param p_codec decompressor handle to destroy + */ +OPJ_API void OPJ_CALLCONV opj_destroy_codec(opj_codec_t * p_codec); + +/** + * Read after the codestream if necessary + * @param p_codec the JPEG2000 codec to read. + * @param p_stream the JPEG2000 stream. + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_end_decompress ( opj_codec_t *p_codec, + opj_stream_t *p_stream); + + +/** + * Set decoding parameters to default values + * @param parameters Decompression parameters + */ +OPJ_API void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters); + +/** + * Setup the decoder with decompression parameters provided by the user and with the message handler + * provided by the user. + * + * @param p_codec decompressor handler + * @param parameters decompression parameters + * + * @return true if the decoder is correctly set + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec, + opj_dparameters_t *parameters ); + +/** + * Decodes an image header. + * + * @param p_stream the jpeg2000 stream. + * @param p_codec the jpeg2000 codec to read. + * @param p_image the image structure initialized with the characteristics of encoded image. + * + * @return true if the main header of the codestream and the JP2 header is correctly read. + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_read_header ( opj_stream_t *p_stream, + opj_codec_t *p_codec, + opj_image_t **p_image); + +/** + * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading. + * + * @param p_codec the jpeg2000 codec. + * @param p_image the decoded image previously setted by opj_read_header + * @param p_start_x the left position of the rectangle to decode (in image coordinates). + * @param p_end_x the right position of the rectangle to decode (in image coordinates). + * @param p_start_y the up position of the rectangle to decode (in image coordinates). + * @param p_end_y the bottom position of the rectangle to decode (in image coordinates). + * + * @return true if the area could be set. + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_set_decode_area( opj_codec_t *p_codec, + opj_image_t* p_image, + OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, + OPJ_INT32 p_end_x, OPJ_INT32 p_end_y ); + +/** + * Decode an image from a JPEG-2000 codestream + * + * @param p_decompressor decompressor handle + * @param p_stream Input buffer stream + * @param p_image the decoded image + * @return true if success, otherwise false + * */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_decode( opj_codec_t *p_decompressor, + opj_stream_t *p_stream, + opj_image_t *p_image); + +/** + * Get the decoded tile from the codec + * + * @param p_codec the jpeg2000 codec. + * @param p_stream input streamm + * @param p_image output image + * @param tile_index index of the tile which will be decode + * + * @return true if success, otherwise false + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_get_decoded_tile( opj_codec_t *p_codec, + opj_stream_t *p_stream, + opj_image_t *p_image, + OPJ_UINT32 tile_index); + +/** + * Set the resolution factor of the decoded image + * @param p_codec the jpeg2000 codec. + * @param res_factor resolution factor to set + * + * @return true if success, otherwise false + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec, OPJ_UINT32 res_factor); + +/** + * Writes a tile with the given data. + * + * @param p_codec the jpeg2000 codec. + * @param p_tile_index the index of the tile to write. At the moment, the tiles must be written from 0 to n-1 in sequence. + * @param p_data pointer to the data to write. Data is arranged in sequence, data_comp0, then data_comp1, then ... NO INTERLEAVING should be set. + * @param p_data_size this value os used to make sure the data being written is correct. The size must be equal to the sum for each component of + * tile_width * tile_height * component_size. component_size can be 1,2 or 4 bytes, depending on the precision of the given component. + * @param p_stream the stream to write data to. + * + * @return true if the data could be written. + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_write_tile ( opj_codec_t *p_codec, + OPJ_UINT32 p_tile_index, + OPJ_BYTE * p_data, + OPJ_UINT32 p_data_size, + opj_stream_t *p_stream ); + +/** + * Reads a tile header. This function is compulsory and allows one to know the size of the tile thta will be decoded. + * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile. + * + * @param p_codec the jpeg2000 codec. + * @param p_tile_index pointer to a value that will hold the index of the tile being decoded, in case of success. + * @param p_data_size pointer to a value that will hold the maximum size of the decoded data, in case of success. In case + * of truncated codestreams, the actual number of bytes decoded may be lower. The computation of the size is the same + * as depicted in opj_write_tile. + * @param p_tile_x0 pointer to a value that will hold the x0 pos of the tile (in the image). + * @param p_tile_y0 pointer to a value that will hold the y0 pos of the tile (in the image). + * @param p_tile_x1 pointer to a value that will hold the x1 pos of the tile (in the image). + * @param p_tile_y1 pointer to a value that will hold the y1 pos of the tile (in the image). + * @param p_nb_comps pointer to a value that will hold the number of components in the tile. + * @param p_should_go_on pointer to a boolean that will hold the fact that the decoding should go on. In case the + * codestream is over at the time of the call, the value will be set to false. The user should then stop + * the decoding. + * @param p_stream the stream to decode. + * @return true if the tile header could be decoded. In case the decoding should end, the returned value is still true. + * returning false may be the result of a shortage of memory or an internal error. + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_read_tile_header( opj_codec_t *p_codec, + opj_stream_t * p_stream, + OPJ_UINT32 * p_tile_index, + OPJ_UINT32 * p_data_size, + OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0, + OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1, + OPJ_UINT32 * p_nb_comps, + OPJ_BOOL * p_should_go_on ); + +/** + * Reads a tile data. This function is compulsory and allows one to decode tile data. opj_read_tile_header should be called before. + * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile. + * + * @param p_codec the jpeg2000 codec. + * @param p_tile_index the index of the tile being decoded, this should be the value set by opj_read_tile_header. + * @param p_data pointer to a memory block that will hold the decoded data. + * @param p_data_size size of p_data. p_data_size should be bigger or equal to the value set by opj_read_tile_header. + * @param p_stream the stream to decode. + * + * @return true if the data could be decoded. + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_decode_tile_data( opj_codec_t *p_codec, + OPJ_UINT32 p_tile_index, + OPJ_BYTE * p_data, + OPJ_UINT32 p_data_size, + opj_stream_t *p_stream ); + +/* COMPRESSION FUNCTIONS*/ + +/** + * Creates a J2K/JP2 compression structure + * @param format Coder to select + * @return Returns a handle to a compressor if successful, returns NULL otherwise + */ +OPJ_API opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format); + +/** +Set encoding parameters to default values, that means : +<ul> +<li>Lossless +<li>1 tile +<li>Size of precinct : 2^15 x 2^15 (means 1 precinct) +<li>Size of code-block : 64 x 64 +<li>Number of resolutions: 6 +<li>No SOP marker in the codestream +<li>No EPH marker in the codestream +<li>No sub-sampling in x or y direction +<li>No mode switch activated +<li>Progression order: LRCP +<li>No index file +<li>No ROI upshifted +<li>No offset of the origin of the image +<li>No offset of the origin of the tiles +<li>Reversible DWT 5-3 +</ul> +@param parameters Compression parameters +*/ +OPJ_API void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters); + +/** + * Setup the encoder parameters using the current image and using user parameters. + * @param p_codec Compressor handle + * @param parameters Compression parameters + * @param image Input filled image + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec, + opj_cparameters_t *parameters, + opj_image_t *image); + +/** + * Start to compress the current image. + * @param p_codec Compressor handle + * @param image Input filled image + * @param p_stream Input stgream + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_start_compress ( opj_codec_t *p_codec, + opj_image_t * p_image, + opj_stream_t *p_stream); + +/** + * End to compress the current image. + * @param p_codec Compressor handle + * @param p_stream Input stgream + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec, + opj_stream_t *p_stream); + +/** + * Encode an image into a JPEG-2000 codestream + * @param p_codec compressor handle + * @param p_stream Output buffer stream + * + * @return Returns true if successful, returns false otherwise + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_encode(opj_codec_t *p_codec, + opj_stream_t *p_stream); +/* +========================================================== + codec output functions definitions +========================================================== +*/ +/* EXPERIMENTAL FUNCTIONS FOR NOW, USED ONLY IN J2K_DUMP*/ + +/** +Destroy Codestream information after compression or decompression +@param cstr_info Codestream information structure +*/ +OPJ_API void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_v2_t **cstr_info); + + +/** + * Dump the codec information into the output stream + * + * @param p_codec the jpeg2000 codec. + * @param info_flag type of information dump. + * @param output_stream output stream where dump the informations get from the codec. + * + */ +OPJ_API void OPJ_CALLCONV opj_dump_codec( opj_codec_t *p_codec, + OPJ_INT32 info_flag, + FILE* output_stream); + +/** + * Get the codestream information from the codec + * + * @param p_codec the jpeg2000 codec. + * + * @return a pointer to a codestream information structure. + * + */ +OPJ_API opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec); + +/** + * Get the codestream index from the codec + * + * @param p_codec the jpeg2000 codec. + * + * @return a pointer to a codestream index structure. + * + */ +OPJ_API opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec); + +OPJ_API void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index); + + +/** + * Get the JP2 file information from the codec FIXME + * + * @param p_codec the jpeg2000 codec. + * + * @return a pointer to a JP2 metadata structure. + * + */ +OPJ_API opj_jp2_metadata_t* OPJ_CALLCONV opj_get_jp2_metadata(opj_codec_t *p_codec); + +/** + * Get the JP2 file index from the codec FIXME + * + * @param p_codec the jpeg2000 codec. + * + * @return a pointer to a JP2 index structure. + * + */ +OPJ_API opj_jp2_index_t* OPJ_CALLCONV opj_get_jp2_index(opj_codec_t *p_codec); + + +/* +========================================================== + MCT functions +========================================================== +*/ + +/** + * Sets the MCT matrix to use. + * + * @param parameters the parameters to change. + * @param pEncodingMatrix the encoding matrix. + * @param p_dc_shift the dc shift coefficients to use. + * @param pNbComp the number of components of the image. + * + * @return true if the parameters could be set. + */ +OPJ_API OPJ_BOOL OPJ_CALLCONV opj_set_MCT( opj_cparameters_t *parameters, + OPJ_FLOAT32 * pEncodingMatrix, + OPJ_INT32 * p_dc_shift, + OPJ_UINT32 pNbComp); + + + +#ifdef __cplusplus +} +#endif + +#endif /* OPENJPEG_H */ |