| /* |
| * 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(__GNUC__) && __GNUC__ >= 6 |
| #define OPJ_DEPRECATED_STRUCT_MEMBER(memb, msg) __attribute__ ((deprecated(msg))) memb |
| #else |
| #define OPJ_DEPRECATED_STRUCT_MEMBER(memb, msg) memb |
| #endif |
| |
| #if defined(OPJ_STATIC) || !defined(_WIN32) |
| /* http://gcc.gnu.org/wiki/Visibility */ |
| # if !defined(_WIN32) && __GNUC__ >= 4 |
| # if defined(OPJ_STATIC) /* static library uses "hidden" */ |
| # define OPJ_API __attribute__ ((visibility ("hidden"))) |
| # else |
| # define OPJ_API __attribute__ ((visibility ("default"))) |
| # endif |
| # 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, whereas 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 <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; |
| |
| #include "opj_config.h" |
| |
| /* 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 choosing 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 0x0500 /** 4K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */ |
| #define OPJ_PROFILE_IMF_8K 0x0600 /** 8K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */ |
| #define OPJ_PROFILE_IMF_2K_R 0x0700 /** 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 0x0900 /** 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) |
| |
| #define OPJ_GET_IMF_PROFILE(v) ((v) & 0xff00) /** Extract IMF profile without mainlevel/sublevel */ |
| #define OPJ_GET_IMF_MAINLEVEL(v) ((v) & 0xf) /** Extract IMF main level */ |
| #define OPJ_GET_IMF_SUBLEVEL(v) (((v) >> 4) & 0xf) /** Extract IMF sub level */ |
| |
| #define OPJ_IMF_MAINLEVEL_MAX 11 /** Maximum main level */ |
| |
| /** Max. Components Sampling Rate (MSamples/sec) per IMF main level */ |
| #define OPJ_IMF_MAINLEVEL_1_MSAMPLESEC 65 /** MSamples/sec for IMF main level 1 */ |
| #define OPJ_IMF_MAINLEVEL_2_MSAMPLESEC 130 /** MSamples/sec for IMF main level 2 */ |
| #define OPJ_IMF_MAINLEVEL_3_MSAMPLESEC 195 /** MSamples/sec for IMF main level 3 */ |
| #define OPJ_IMF_MAINLEVEL_4_MSAMPLESEC 260 /** MSamples/sec for IMF main level 4 */ |
| #define OPJ_IMF_MAINLEVEL_5_MSAMPLESEC 520 /** MSamples/sec for IMF main level 5 */ |
| #define OPJ_IMF_MAINLEVEL_6_MSAMPLESEC 1200 /** MSamples/sec for IMF main level 6 */ |
| #define OPJ_IMF_MAINLEVEL_7_MSAMPLESEC 2400 /** MSamples/sec for IMF main level 7 */ |
| #define OPJ_IMF_MAINLEVEL_8_MSAMPLESEC 4800 /** MSamples/sec for IMF main level 8 */ |
| #define OPJ_IMF_MAINLEVEL_9_MSAMPLESEC 9600 /** MSamples/sec for IMF main level 9 */ |
| #define OPJ_IMF_MAINLEVEL_10_MSAMPLESEC 19200 /** MSamples/sec for IMF main level 10 */ |
| #define OPJ_IMF_MAINLEVEL_11_MSAMPLESEC 38400 /** MSamples/sec for IMF main level 11 */ |
| |
| /** Max. compressed Bit Rate (Mbits/s) per IMF sub level */ |
| #define OPJ_IMF_SUBLEVEL_1_MBITSSEC 200 /** Mbits/s for IMF sub level 1 */ |
| #define OPJ_IMF_SUBLEVEL_2_MBITSSEC 400 /** Mbits/s for IMF sub level 2 */ |
| #define OPJ_IMF_SUBLEVEL_3_MBITSSEC 800 /** Mbits/s for IMF sub level 3 */ |
| #define OPJ_IMF_SUBLEVEL_4_MBITSSEC 1600 /** Mbits/s for IMF sub level 4 */ |
| #define OPJ_IMF_SUBLEVEL_5_MBITSSEC 3200 /** Mbits/s for IMF sub level 5 */ |
| #define OPJ_IMF_SUBLEVEL_6_MBITSSEC 6400 /** Mbits/s for IMF sub level 6 */ |
| #define OPJ_IMF_SUBLEVEL_7_MBITSSEC 12800 /** Mbits/s for IMF sub level 7 */ |
| #define OPJ_IMF_SUBLEVEL_8_MBITSSEC 25600 /** Mbits/s for IMF sub level 8 */ |
| #define OPJ_IMF_SUBLEVEL_9_MBITSSEC 51200 /** Mbits/s for IMF sub level 9 */ |
| |
| /** |
| * 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 |
| ========================================================== |
| */ |
| |
| #ifndef OPJ_UINT32_SEMANTICALLY_BUT_INT32 |
| #define OPJ_UINT32_SEMANTICALLY_BUT_INT32 OPJ_INT32 |
| #endif |
| |
| /** |
| * 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 (starting at 1) */ |
| OPJ_UINT32 tile; |
| /** Start and end values for Tile width and height*/ |
| OPJ_UINT32_SEMANTICALLY_BUT_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; |
| /** allocation by fixed quality (PSNR) */ |
| 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. |
| * Should be decreasing. 1 can be |
| * used as last value to indicate the last layer is lossless. */ |
| float tcp_rates[100]; |
| /** different psnr for successive layers. Should be increasing. 0 can be |
| * used as last value to indicate the last layer is lossless. */ |
| 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 handled with the opj_encode_with_info() function. Set to NULL */ |
| int index_on; |
| /** DEPRECATED. Index generation is now handled 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 |
| #define OPJ_DPARAMETERS_DUMP_FLAG 0x0002 |
| |
| /** |
| * 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 of 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: number of bits per component per pixel */ |
| OPJ_UINT32 prec; |
| /** obsolete: use prec instead */ |
| OPJ_DEPRECATED_STRUCT_MEMBER(OPJ_UINT32 bpp, "Use prec instead"); |
| /** 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: number of bits per component per pixel */ |
| OPJ_UINT32 prec; |
| /** obsolete: use prec instead */ |
| OPJ_DEPRECATED_STRUCT_MEMBER(OPJ_UINT32 bpp, "Use prec instead"); |
| /** 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; |
| /** number of pixels of the tile */ |
| int numpix; |
| /** distortion of the tile */ |
| 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 management 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; |
| /** log2 of code-blocks width */ |
| OPJ_UINT32 cblkw; |
| /** log2 of code-blocks height */ |
| OPJ_UINT32 cblkh; |
| /** code-block coding style */ |
| OPJ_UINT32 cblksty; |
| /** discrete wavelet transform identifier: 0 = 9-7 irreversible, 1 = 5-3 reversible */ |
| 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); |
| |
| /** |
| * Allocator for opj_image_t->comps[].data |
| * To be paired with opj_image_data_free. |
| * |
| * @param size number of bytes to allocate |
| * |
| * @return a new pointer if successful, NULL otherwise. |
| * @since 2.2.0 |
| */ |
| OPJ_API void* OPJ_CALLCONV opj_image_data_alloc(OPJ_SIZE_T size); |
| |
| /** |
| * Destructor for opj_image_t->comps[].data |
| * To be paired with opj_image_data_alloc. |
| * |
| * @param ptr Pointer to free |
| * |
| * @since 2.2.0 |
| */ |
| OPJ_API void OPJ_CALLCONV opj_image_data_free(void* ptr); |
| |
| /* |
| ========================================================== |
| 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, |
| * using SEEK_SET behavior. |
| * @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); |
| |
| /** |
| * Set strict decoding parameter for this decoder. If strict decoding is enabled, partial bit |
| * streams will fail to decode. If strict decoding is disabled, the decoder will decode partial |
| * bitstreams as much as possible without erroring |
| * |
| * @param p_codec decompressor handler |
| * @param strict OPJ_TRUE to enable strict decoding, OPJ_FALSE to disable |
| * |
| * @return true if the decoder is correctly set |
| */ |
| |
| OPJ_API OPJ_BOOL OPJ_CALLCONV opj_decoder_set_strict_mode(opj_codec_t *p_codec, |
| OPJ_BOOL strict); |
| |
| /** |
| * Allocates worker threads for the compressor/decompressor. |
| * |
| * By default, only the main thread is used. If this function is not used, |
| * but the OPJ_NUM_THREADS environment variable is set, its value will be |
| * used to initialize the number of threads. The value can be either an integer |
| * number, or "ALL_CPUS". If OPJ_NUM_THREADS is set and this function is called, |
| * this function will override the behaviour of the environment variable. |
| * |
| * This function must be called after opj_setup_decoder() and |
| * before opj_read_header() for the decoding side, or after opj_setup_encoder() |
| * and before opj_start_compress() for the encoding side. |
| * |
| * @param p_codec decompressor or compressor handler |
| * @param num_threads number of threads. |
| * |
| * @return OPJ_TRUE if the function is successful. |
| */ |
| OPJ_API OPJ_BOOL OPJ_CALLCONV opj_codec_set_threads(opj_codec_t *p_codec, |
| int num_threads); |
| |
| /** |
| * 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); |
| |
| |
| /** Restrict the number of components to decode. |
| * |
| * This function should be called after opj_read_header(). |
| * |
| * This function enables to restrict the set of decoded components to the |
| * specified indices. |
| * Note that the current implementation (apply_color_transforms == OPJ_FALSE) |
| * is such that neither the multi-component transform at codestream level, |
| * nor JP2 channel transformations will be applied. |
| * Consequently the indices are relative to the codestream. |
| * |
| * Note: opj_decode_tile_data() should not be used together with opj_set_decoded_components(). |
| * |
| * @param p_codec the jpeg2000 codec to read. |
| * @param numcomps Size of the comps_indices array. |
| * @param comps_indices Array of numcomps values representing the indices |
| * of the components to decode (relative to the |
| * codestream, starting at 0) |
| * @param apply_color_transforms Whether multi-component transform at codestream level |
| * or JP2 channel transformations should be applied. |
| * Currently this parameter should be set to OPJ_FALSE. |
| * Setting it to OPJ_TRUE will result in an error. |
| * |
| * @return OPJ_TRUE in case of success. |
| */ |
| OPJ_API OPJ_BOOL OPJ_CALLCONV opj_set_decoded_components(opj_codec_t *p_codec, |
| OPJ_UINT32 numcomps, |
| const OPJ_UINT32* comps_indices, |
| OPJ_BOOL apply_color_transforms); |
| |
| /** |
| * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading. |
| * |
| * The coordinates passed to this function should be expressed in the reference grid, |
| * that is to say at the highest resolution level, even if requesting the image at lower |
| * resolution levels. |
| * |
| * Generally opj_set_decode_area() should be followed by opj_decode(), and the |
| * codec cannot be re-used. |
| * In the particular case of an image made of a single tile, several sequences of |
| * calls to opoj_set_decode_area() and opj_decode() are allowed, and will bring |
| * performance improvements when reading an image by chunks. |
| * |
| * @param p_codec the jpeg2000 codec. |
| * @param p_image the decoded image previously set 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 stream |
| * @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 that 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. |
| * |
| * Note: opj_decode_tile_data() should not be used together with opj_set_decoded_components(). |
| * |
| * @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); |
| |
| |
| /** |
| * Specify extra options for the encoder. |
| * |
| * This may be called after opj_setup_encoder() and before opj_start_compress() |
| * |
| * This is the way to add new options in a fully ABI compatible way, without |
| * extending the opj_cparameters_t structure. |
| * |
| * Currently supported options are: |
| * <ul> |
| * <li>PLT=YES/NO. Defaults to NO. If set to YES, PLT marker segments, |
| * indicating the length of each packet in the tile-part header, will be |
| * written. Since 2.4.0</li> |
| * <li>TLM=YES/NO. Defaults to NO (except for Cinema and IMF profiles). |
| * If set to YES, TLM marker segments, indicating the length of each |
| * tile-part part will be written. Since 2.4.0</li> |
| * <li>GUARD_BITS=value. Number of guard bits in [0,7] range. Default value is 2. |
| * 1 may be used sometimes (like in SMPTE DCP Bv2.1 Application Profile for 2K images). |
| * Since 2.5.0</li> |
| * </ul> |
| * |
| * @param p_codec Compressor handle |
| * @param p_options Compression options. This should be a NULL terminated |
| * array of strings. Each string is of the form KEY=VALUE. |
| * |
| * @return OPJ_TRUE in case of success. |
| * @since 2.4.0 |
| */ |
| OPJ_API OPJ_BOOL OPJ_CALLCONV opj_encoder_set_extra_options( |
| opj_codec_t *p_codec, |
| const char* const* p_options); |
| |
| /** |
| * Start to compress the current image. |
| * @param p_codec Compressor handle |
| * @param p_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 information gotten 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); |
| |
| /* |
| ========================================================== |
| Thread functions |
| ========================================================== |
| */ |
| |
| /** Returns if the library is built with thread support. |
| * OPJ_TRUE if mutex, condition, thread, thread pool are available. |
| */ |
| OPJ_API OPJ_BOOL OPJ_CALLCONV opj_has_thread_support(void); |
| |
| /** Return the number of virtual CPUs */ |
| OPJ_API int OPJ_CALLCONV opj_get_num_cpus(void); |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* OPENJPEG_H */ |