1081 lines
36 KiB
C
1081 lines
36 KiB
C
/*
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* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2007, Professor Benoit Macq
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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2006-2007, Parvatha Elangovan
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* Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef OPENJPEG_H
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#define OPENJPEG_H
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#if defined(OPJ_STATIC) || (!defined(WIN32) && !defined(__MINGW32__)) || defined(__WIN32__)
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#define OPJ_API
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#define OPJ_CALLCONV
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#else
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#define OPJ_CALLCONV __stdcall
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#ifdef OPJ_EXPORTS
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#define OPJ_API __declspec(dllexport)
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#else
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#define OPJ_API __declspec(dllimport)
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#endif /* OPJ_EXPORTS */
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#endif /* !OPJ_STATIC || !WIN32 */
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#ifndef __cplusplus
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#if defined(HAVE_STDBOOL_H)
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#include <stdbool.h>
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#else
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#if !defined(bool)
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#define bool int
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#endif
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#if !defined(true)
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#define true 1
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#endif
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#if !defined(false)
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#define false 0
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#endif
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#endif
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#endif /* __cplusplus */
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typedef unsigned int OPJ_UINT32;
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typedef int OPJ_INT32;
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typedef unsigned short OPJ_UINT16;
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typedef short OPJ_INT16;
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typedef char OPJ_CHAR;
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typedef unsigned char OPJ_BYTE;
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typedef unsigned int OPJ_SIZE_T;
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typedef double OPJ_FLOAT64;
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typedef float OPJ_FLOAT32;
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#if defined(_MSC_VER) || defined(__BORLANDC__)
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typedef __int64 OPJ_INT64;
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#else
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typedef long long OPJ_INT64;
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#endif
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#define OPENJPEG_VERSION "1.2.0"
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/*
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==========================================================
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Compiler directives
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==========================================================
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*/
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#include <stdio.h>
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/*
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==========================================================
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Useful constant definitions
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==========================================================
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*/
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#define OPJ_PATH_LEN 4096 /**< Maximum allowed size for filenames */
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#define J2K_MAXRLVLS 33 /**< Number of maximum resolution level authorized */
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#define J2K_MAXBANDS (3*J2K_MAXRLVLS-2) /**< Number of maximum sub-band linked to number of resolution level */
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#define J2K_DEFAULT_NB_SEGS 10
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#define J2K_STREAM_CHUNK_SIZE 0x100000 /** 1 mega by default */
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#define J2K_DEFAULT_HEADER_SIZE 1000
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#define J2K_MCC_DEFAULT_NB_RECORDS 10
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#define J2K_MCT_DEFAULT_NB_RECORDS 10
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/* UniPG>> */
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#define JPWL_MAX_NO_TILESPECS 16 /**< Maximum number of tile parts expected by JPWL: increase at your will */
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#define JPWL_MAX_NO_PACKSPECS 16 /**< Maximum number of packet parts expected by JPWL: increase at your will */
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#define JPWL_MAX_NO_MARKERS 512 /**< Maximum number of JPWL markers: increase at your will */
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#define JPWL_PRIVATEINDEX_NAME "jpwl_index_privatefilename" /**< index file name used when JPWL is on */
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#define JPWL_EXPECTED_COMPONENTS 3 /**< Expect this number of components, so you'll find better the first EPB */
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#define JPWL_MAXIMUM_TILES 8192 /**< Expect this maximum number of tiles, to avoid some crashes */
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#define JPWL_MAXIMUM_HAMMING 2 /**< Expect this maximum number of bit errors in marker id's */
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#define JPWL_MAXIMUM_EPB_ROOM 65450 /**< Expect this maximum number of bytes for composition of EPBs */
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/* <<UniPG */
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/*
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==========================================================
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enum definitions
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==========================================================
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*/
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/**
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Rsiz Capabilities
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*/
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typedef enum RSIZ_CAPABILITIES {
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STD_RSIZ = 0, /** Standard JPEG2000 profile*/
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CINEMA2K = 3, /** Profile name for a 2K image*/
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CINEMA4K = 4, /** Profile name for a 4K image*/
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MCT = 0x8100
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} OPJ_RSIZ_CAPABILITIES;
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/**
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Digital cinema operation mode
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*/
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typedef enum CINEMA_MODE {
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OFF = 0, /** Not Digital Cinema*/
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CINEMA2K_24 = 1, /** 2K Digital Cinema at 24 fps*/
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CINEMA2K_48 = 2, /** 2K Digital Cinema at 48 fps*/
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CINEMA4K_24 = 3 /** 4K Digital Cinema at 24 fps*/
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}OPJ_CINEMA_MODE;
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/**
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Progression order
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*/
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typedef enum PROG_ORDER {
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PROG_UNKNOWN = -1, /**< place-holder */
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LRCP = 0, /**< layer-resolution-component-precinct order */
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RLCP = 1, /**< resolution-layer-component-precinct order */
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RPCL = 2, /**< resolution-precinct-component-layer order */
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PCRL = 3, /**< precinct-component-resolution-layer order */
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CPRL = 4 /**< component-precinct-resolution-layer order */
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} OPJ_PROG_ORDER;
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/**
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Supported image color spaces
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*/
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typedef enum COLOR_SPACE {
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CLRSPC_UNKNOWN = -1, /**< not supported by the library */
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CLRSPC_UNSPECIFIED = 0, /**< not specified in the codestream */
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CLRSPC_SRGB = 1, /**< sRGB */
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CLRSPC_GRAY = 2, /**< grayscale */
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CLRSPC_SYCC = 3 /**< YUV */
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} OPJ_COLOR_SPACE;
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/**
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Supported codec
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*/
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typedef enum CODEC_FORMAT {
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CODEC_UNKNOWN = -1, /**< place-holder */
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CODEC_J2K = 0, /**< JPEG-2000 codestream : read/write */
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CODEC_JPT = 1, /**< JPT-stream (JPEG 2000, JPIP) : read only */
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CODEC_JP2 = 2 /**< JPEG-2000 file format : read/write */
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} OPJ_CODEC_FORMAT;
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/*
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==========================================================
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event manager typedef definitions
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==========================================================
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*/
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/**
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Callback function prototype for events
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@param msg Event message
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@param client_data
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*/
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typedef void (*opj_msg_callback) (const OPJ_CHAR *msg, void *client_data);
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/*
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==========================================================
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codec typedef definitions
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==========================================================
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*/
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/**
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Progression order changes
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*/
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typedef struct opj_poc
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{
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/** Resolution num start, Component num start, given by POC */
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OPJ_UINT32 resno0, compno0;
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/** Layer num end,Resolution num end, Component num end, given by POC */
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OPJ_UINT32 layno1, resno1, compno1;
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/** Layer num start,Precinct num start, Precinct num end */
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OPJ_UINT32 layno0, precno0, precno1;
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/** Progression order enum*/
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OPJ_PROG_ORDER prg1,prg;
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/** Progression order string*/
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OPJ_CHAR progorder[5];
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/** Tile number */
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OPJ_UINT32 tile;
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/** Start and end values for Tile width and height*/
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OPJ_INT32 tx0,tx1,ty0,ty1;
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/** Start value, initialised in pi_initialise_encode*/
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OPJ_UINT32 layS, resS, compS, prcS;
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/** End value, initialised in pi_initialise_encode */
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OPJ_UINT32 layE, resE, compE, prcE;
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/** Start and end values of Tile width and height, initialised in pi_initialise_encode*/
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OPJ_UINT32 txS,txE,tyS,tyE,dx,dy;
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/** Temporary values for Tile parts, initialised in pi_create_encode */
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OPJ_UINT32 lay_t, res_t, comp_t, prc_t,tx0_t,ty0_t;
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} opj_poc_t;
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/**
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Compression parameters
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*/
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typedef struct opj_cparameters {
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/** size of tile: tile_size_on = false (not in argument) or = true (in argument) */
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bool tile_size_on;
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/** XTOsiz */
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int cp_tx0;
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/** YTOsiz */
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int cp_ty0;
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/** XTsiz */
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int cp_tdx;
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/** YTsiz */
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int cp_tdy;
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/** allocation by rate/distortion */
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int cp_disto_alloc;
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/** allocation by fixed layer */
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int cp_fixed_alloc;
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/** add fixed_quality */
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int cp_fixed_quality;
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/** fixed layer */
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int *cp_matrice;
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/** comment for coding */
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char *cp_comment;
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/** csty : coding style */
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int csty;
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/** progression order (default LRCP) */
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OPJ_PROG_ORDER prog_order;
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/** progression order changes */
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opj_poc_t POC[32];
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/** number of progression order changes (POC), default to 0 */
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int numpocs;
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/** number of layers */
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int tcp_numlayers;
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/** rates of layers */
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float tcp_rates[100];
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/** different psnr for successive layers */
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float tcp_distoratio[100];
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/** number of resolutions */
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int numresolution;
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/** initial code block width, default to 64 */
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int cblockw_init;
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/** initial code block height, default to 64 */
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int cblockh_init;
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/** mode switch (cblk_style) */
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int mode;
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/** 1 : use the irreversible DWT 9-7, 0 : use lossless compression (default) */
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int irreversible;
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/** region of interest: affected component in [0..3], -1 means no ROI */
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int roi_compno;
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/** region of interest: upshift value */
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int roi_shift;
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/* number of precinct size specifications */
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int res_spec;
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/** initial precinct width */
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int prcw_init[J2K_MAXRLVLS];
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/** initial precinct height */
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int prch_init[J2K_MAXRLVLS];
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/**@name command line encoder parameters (not used inside the library) */
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/*@{*/
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/** input file name */
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char infile[OPJ_PATH_LEN];
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/** output file name */
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char outfile[OPJ_PATH_LEN];
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/** DEPRECATED. Index generation is now handeld with the opj_encode_with_info() function. Set to NULL */
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int index_on;
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/** DEPRECATED. Index generation is now handeld with the opj_encode_with_info() function. Set to NULL */
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char index[OPJ_PATH_LEN];
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/** subimage encoding: origin image offset in x direction */
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int image_offset_x0;
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/** subimage encoding: origin image offset in y direction */
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int image_offset_y0;
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/** subsampling value for dx */
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int subsampling_dx;
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/** subsampling value for dy */
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int subsampling_dy;
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/** input file format 0: PGX, 1: PxM, 2: BMP 3:TIF*/
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int decod_format;
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/** output file format 0: J2K, 1: JP2, 2: JPT */
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int cod_format;
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/*@}*/
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/* UniPG>> */
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/**@name JPWL encoding parameters */
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/*@{*/
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/** enables writing of EPC in MH, thus activating JPWL */
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bool jpwl_epc_on;
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/** error protection method for MH (0,1,16,32,37-128) */
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int jpwl_hprot_MH;
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/** tile number of header protection specification (>=0) */
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int jpwl_hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS];
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/** error protection methods for TPHs (0,1,16,32,37-128) */
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int jpwl_hprot_TPH[JPWL_MAX_NO_TILESPECS];
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/** tile number of packet protection specification (>=0) */
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int jpwl_pprot_tileno[JPWL_MAX_NO_PACKSPECS];
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/** packet number of packet protection specification (>=0) */
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int jpwl_pprot_packno[JPWL_MAX_NO_PACKSPECS];
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/** error protection methods for packets (0,1,16,32,37-128) */
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int jpwl_pprot[JPWL_MAX_NO_PACKSPECS];
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/** enables writing of ESD, (0=no/1/2 bytes) */
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int jpwl_sens_size;
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/** sensitivity addressing size (0=auto/2/4 bytes) */
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int jpwl_sens_addr;
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/** sensitivity range (0-3) */
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int jpwl_sens_range;
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/** sensitivity method for MH (-1=no,0-7) */
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int jpwl_sens_MH;
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/** tile number of sensitivity specification (>=0) */
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int jpwl_sens_TPH_tileno[JPWL_MAX_NO_TILESPECS];
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/** sensitivity methods for TPHs (-1=no,0-7) */
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int jpwl_sens_TPH[JPWL_MAX_NO_TILESPECS];
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/*@}*/
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/* <<UniPG */
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/** Digital Cinema compliance 0-not compliant, 1-compliant*/
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OPJ_CINEMA_MODE cp_cinema;
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/** Maximum rate for each component. If == 0, component size limitation is not considered */
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int max_comp_size;
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/** Profile name*/
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OPJ_RSIZ_CAPABILITIES cp_rsiz;
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/** Tile part generation*/
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char tp_on;
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/** Flag for Tile part generation*/
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char tp_flag;
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/** MCT (multiple component transform) */
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char tcp_mct;
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/** Naive implementation of MCT restricted to a single reversible array based encoding without offset concerning all the components. */
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void * mct_data;
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} opj_cparameters_t;
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/**
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Decompression parameters
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*/
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typedef struct opj_dparameters {
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/**
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Set the number of highest resolution levels to be discarded.
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The image resolution is effectively divided by 2 to the power of the number of discarded levels.
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The reduce factor is limited by the smallest total number of decomposition levels among tiles.
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if != 0, then original dimension divided by 2^(reduce);
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if == 0 or not used, image is decoded to the full resolution
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*/
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int cp_reduce;
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/**
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Set the maximum number of quality layers to decode.
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If there are less quality layers than the specified number, all the quality layers are decoded.
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if != 0, then only the first "layer" layers are decoded;
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if == 0 or not used, all the quality layers are decoded
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*/
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int cp_layer;
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/**
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* Restrictive decoding parameters.
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*/
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OPJ_INT32 m_decode_start_x;
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OPJ_INT32 m_decode_start_y ;
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OPJ_INT32 m_decode_end_x ;
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OPJ_INT32 m_decode_end_y ;
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/**@name command line encoder parameters (not used inside the library) */
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/*@{*/
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/** input file name */
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char infile[OPJ_PATH_LEN];
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/** output file name */
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char outfile[OPJ_PATH_LEN];
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/** input file format 0: J2K, 1: JP2, 2: JPT */
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int decod_format;
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/** output file format 0: PGX, 1: PxM, 2: BMP */
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int cod_format;
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/*@}*/
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/* UniPG>> */
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/**@name JPWL decoding parameters */
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/*@{*/
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/** activates the JPWL correction capabilities */
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bool jpwl_correct;
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/** expected number of components */
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int jpwl_exp_comps;
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/** maximum number of tiles */
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int jpwl_max_tiles;
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/** use restrictive decoding ? */
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OPJ_UINT32 m_use_restrict_decode : 1;
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/*@}*/
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/* <<UniPG */
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} opj_dparameters_t;
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/**
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* J2k codec.
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*/
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typedef void * opj_codec_t;
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/*
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==========================================================
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I/O stream typedef definitions
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==========================================================
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*/
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/*
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* Stream open flags.
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*/
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/** The stream was opened for reading. */
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#define OPJ_STREAM_READ 0x0001
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/** The stream was opened for writing. */
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#define OPJ_STREAM_WRITE 0x0002
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typedef OPJ_UINT32 (* opj_stream_read_fn) (void * p_buffer, OPJ_UINT32 p_nb_bytes, void * p_user_data) ;
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typedef OPJ_UINT32 (* opj_stream_write_fn) (void * p_buffer, OPJ_UINT32 p_nb_bytes, void * p_user_data) ;
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typedef OPJ_SIZE_T (* opj_stream_skip_fn) (OPJ_SIZE_T p_nb_bytes, void * p_user_data) ;
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typedef bool (* opj_stream_seek_fn) (OPJ_SIZE_T p_nb_bytes, void * p_user_data) ;
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typedef void * opj_stream_t;
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/*
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==========================================================
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image typedef definitions
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==========================================================
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*/
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/**
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Defines a single image component
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*/
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typedef struct opj_image_comp {
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/** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
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OPJ_UINT32 dx;
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/** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
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OPJ_UINT32 dy;
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/** data width */
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OPJ_UINT32 w;
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/** data height */
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OPJ_UINT32 h;
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/** x component offset compared to the whole image */
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OPJ_INT32 x0;
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/** y component offset compared to the whole image */
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OPJ_INT32 y0;
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/** precision */
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OPJ_UINT32 prec;
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/** number of decoded resolution */
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OPJ_UINT32 resno_decoded;
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/** number of division by 2 of the out image compared to the original size of image */
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OPJ_UINT32 factor;
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/** image component data */
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int *data;
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/** signed (1) / unsigned (0) */
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OPJ_UINT32 sgnd : 1;
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} opj_image_comp_t;
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/**
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Defines image data and characteristics
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*/
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typedef struct opj_image
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{
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/** XOsiz: horizontal offset from the origin of the reference grid to the left side of the image area */
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OPJ_INT32 x0;
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/** YOsiz: vertical offset from the origin of the reference grid to the top side of the image area */
|
|
OPJ_INT32 y0;
|
|
/** Xsiz: width of the reference grid */
|
|
OPJ_INT32 x1;
|
|
/** Ysiz: height of the reference grid */
|
|
OPJ_INT32 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;
|
|
} 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 */
|
|
unsigned int dx;
|
|
/** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
|
|
unsigned int dy;
|
|
/** data width */
|
|
unsigned int w;
|
|
/** data height */
|
|
unsigned int h;
|
|
/** x component offset compared to the whole image */
|
|
int x0;
|
|
/** y component offset compared to the whole image */
|
|
int y0;
|
|
/** precision */
|
|
int prec;
|
|
/** image depth in bits */
|
|
int bpp;
|
|
/** signed (1) / unsigned (0) */
|
|
int sgnd;
|
|
} opj_image_cmptparm_t;
|
|
|
|
/*
|
|
==========================================================
|
|
Information on the JPEG 2000 codestream
|
|
==========================================================
|
|
*/
|
|
|
|
/**
|
|
Index structure : Information concerning a packet inside tile
|
|
*/
|
|
typedef struct opj_packet_info {
|
|
/** packet start position (including SOP marker if it exists) */
|
|
int start_pos;
|
|
/** end of packet header position (including EPH marker if it exists)*/
|
|
int end_ph_pos;
|
|
/** packet end position */
|
|
int end_pos;
|
|
/** packet distorsion */
|
|
double disto;
|
|
} opj_packet_info_t;
|
|
|
|
/**
|
|
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 tile parts */
|
|
int num_tps;
|
|
/** information concerning tile parts */
|
|
opj_tp_info_t *tp;
|
|
} opj_tile_info_t;
|
|
|
|
/* UniPG>> */
|
|
/**
|
|
Marker structure
|
|
*/
|
|
typedef struct opj_marker_info_t {
|
|
/** marker type */
|
|
unsigned short int type;
|
|
/** position in codestream */
|
|
int pos;
|
|
/** length, marker val included */
|
|
int len;
|
|
} opj_marker_info_t;
|
|
/* <<UniPG */
|
|
|
|
/**
|
|
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;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
/*
|
|
==========================================================
|
|
openjpeg version
|
|
==========================================================
|
|
*/
|
|
|
|
OPJ_API const OPJ_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);
|
|
|
|
/**
|
|
* Creates an image without allocating memory for the image (used in the new version of the library).
|
|
*
|
|
* @param p_num_cmpts the number of components
|
|
* @param p_cmpt_parms the components parameters
|
|
* @param p_clr_spc 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);
|
|
|
|
/**
|
|
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);
|
|
|
|
/*
|
|
==========================================================
|
|
stream functions definitions
|
|
==========================================================
|
|
*/
|
|
|
|
/**
|
|
* Creates an abstract stream. This function does nothing except allocating memory and initializing the abstract stream.
|
|
*
|
|
* @param l_is_reader 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(bool p_is_input);
|
|
OPJ_API opj_stream_t* OPJ_CALLCONV opj_stream_create(OPJ_UINT32 p_size,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.
|
|
*/
|
|
OPJ_API void OPJ_CALLCONV opj_stream_set_user_data (opj_stream_t* p_stream, void * p_data);
|
|
|
|
/**
|
|
* Helper function.
|
|
* Sets the stream to be a file stream. The FILE must have been open previously.
|
|
* @param p_stream the stream to modify
|
|
* @param p_file handler to an already open file.
|
|
*/
|
|
OPJ_API opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (FILE * p_file,bool p_is_read_stream);
|
|
OPJ_API opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (FILE * p_file,OPJ_UINT32 p_buffer_size, bool p_is_read_stream);
|
|
|
|
|
|
|
|
/*
|
|
==========================================================
|
|
event manager functions definitions
|
|
==========================================================
|
|
*/
|
|
OPJ_API bool OPJ_CALLCONV opj_set_info_handler(opj_codec_t * p_codec, opj_msg_callback p_callback,void * p_user_data);
|
|
OPJ_API bool OPJ_CALLCONV opj_set_warning_handler(opj_codec_t * p_codec, opj_msg_callback p_callback,void * p_user_data);
|
|
OPJ_API 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/JPT/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);
|
|
|
|
/**
|
|
Set decoding parameters to default values
|
|
@param parameters Decompression parameters
|
|
*/
|
|
OPJ_API void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters);
|
|
|
|
#ifdef USE_OPJ_DEPRECATED
|
|
#ifdef _MSC_VER
|
|
#pragma message ( "warning, opj_setup_decoder is deprecated")
|
|
#else
|
|
#warning "warning, opj_setup_decoder is deprecated"
|
|
#endif
|
|
/**
|
|
Setup the decoder decoding parameters using user parameters.
|
|
Decoding parameters are returned in j2k->cp.
|
|
@param dinfo decompressor handle
|
|
@param parameters decompression parameters
|
|
*/
|
|
OPJ_API bool OPJ_CALLCONV opj_setup_decoder(opj_codec_t *dinfo, opj_dparameters_t *parameters);
|
|
#endif
|
|
|
|
/**
|
|
Decode an image from a JPEG-2000 codestream
|
|
@param dinfo decompressor handle
|
|
@param cio Input buffer stream
|
|
@return Returns a decoded image if successful, returns NULL otherwise
|
|
*/
|
|
OPJ_API opj_image_t* OPJ_CALLCONV opj_decode(opj_codec_t *p_decompressor, opj_stream_t * cio);
|
|
|
|
/**
|
|
* Writes a tile with the given data.
|
|
*
|
|
* @param p_compressor 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 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 bool OPJ_CALLCONV opj_read_tile_header(
|
|
opj_codec_t *p_codec,
|
|
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,
|
|
bool * p_should_go_on,
|
|
opj_stream_t * p_stream);
|
|
|
|
|
|
/**
|
|
* 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 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
|
|
);
|
|
|
|
/**
|
|
* 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_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 bool OPJ_CALLCONV opj_set_decode_area(
|
|
opj_codec_t *p_codec,
|
|
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 and extract the codestream information
|
|
@param dinfo decompressor handle
|
|
@param cio Input buffer stream
|
|
@param cstr_info Codestream information structure if needed afterwards, NULL otherwise
|
|
@return Returns a decoded image if successful, returns NULL otherwise
|
|
*/
|
|
//OPJ_API opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_stream_t cio, opj_codestream_info_t *cstr_info);
|
|
/**
|
|
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);
|
|
|
|
/**
|
|
Destroy a decompressor handle
|
|
@param dinfo decompressor handle to destroy
|
|
*/
|
|
OPJ_API void OPJ_CALLCONV opj_destroy_codec(opj_codec_t * p_codec);
|
|
|
|
/**
|
|
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);
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/**
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* Sets the MCT matrix to use.
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*
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* @param parameters the parameters to change.
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* @param pEncodingMatrix the encoding matrix.
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* @param p_dc_shift the dc shift coefficients to use.
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* @param pNbComp the number of components of the image.
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*
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* @return true if the parameters could be set.
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*/
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OPJ_API bool OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,OPJ_FLOAT32 * pEncodingMatrix,OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp);
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/**
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* Restricts the decoding to the given image area.
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*
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* @param parameters the parameters to update.
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* @param p_start_x the starting x position of the area to decode.
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* @param p_start_y the starting y position of the area to decode.
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* @param p_end_x the x end position of the area to decode.
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* @param p_end_x the y end position of the area to decode.
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*/
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OPJ_API bool OPJ_CALLCONV opj_restrict_decoding (opj_dparameters_t *parameters,OPJ_INT32 p_start_x,OPJ_INT32 p_start_y,OPJ_INT32 p_end_x,OPJ_INT32 p_end_y);
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#ifdef USE_OPJ_DEPRECATED
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#ifdef _MSC_VER
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#pragma message ("warning, opj_setup_encoder is deprecated")
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#else
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#warning "warning, opj_setup_encoder is deprecated"
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#endif
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/**
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|
Setup the encoder parameters using the current image and using user parameters.
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@param cinfo Compressor handle
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@param parameters Compression parameters
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@param image Input filled image
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*/
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OPJ_API bool OPJ_CALLCONV opj_setup_encoder(opj_codec_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image);
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#endif
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/**
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|
* Decodes an image header.
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*
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* @param p_codec codec to use to decode the image.
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* @param p_image pointer to a previously created image.
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* @param p_tile_x0 pointer to a value that will hold the reference point x0 of the tiling grid.
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* @param p_tile_y0 pointer to a value that will hold the reference point y0 of the tiling grid.
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* @param p_tile_width pointer to a value that will hold the size in x of a tile in the grid.
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* @param p_tile_height pointer to a value that will hold the size in y of a tile in the grid.
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* @param p_nb_tiles_x pointer to a value that will hold the number of tiles in the x direction.
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|
* @param p_nb_tiles_y pointer to a value that will hold the number of tiles in the y direction.
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|
*/
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|
OPJ_API bool OPJ_CALLCONV opj_read_header (
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|
opj_codec_t *p_codec,
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|
opj_image_t ** p_image,
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|
OPJ_INT32 * p_tile_x0,
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|
OPJ_INT32 * p_tile_y0,
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|
OPJ_UINT32 * p_tile_width,
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|
OPJ_UINT32 * p_tile_height,
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|
OPJ_UINT32 * p_nb_tiles_x,
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|
OPJ_UINT32 * p_nb_tiles_y,
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|
opj_stream_t *p_cio);
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|
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|
OPJ_API bool OPJ_CALLCONV opj_end_decompress (opj_codec_t *p_codec,opj_stream_t *p_cio);
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|
/**
|
|
Encode an image into a JPEG-2000 codestream
|
|
@param cinfo compressor handle
|
|
@param cio Output buffer stream
|
|
@param image Image to encode
|
|
@param index Depreacted -> Set to NULL. To extract index, used opj_encode_wci()
|
|
@return Returns true if successful, returns false otherwise
|
|
*/
|
|
OPJ_API bool OPJ_CALLCONV opj_encode(opj_codec_t *cinfo, opj_stream_t * cio);
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|
|
|
OPJ_API bool OPJ_CALLCONV opj_start_compress (opj_codec_t *p_codec,opj_image_t * p_image,opj_stream_t *p_cio);
|
|
|
|
OPJ_API bool OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec,opj_stream_t *p_cio);
|
|
/**
|
|
Encode an image into a JPEG-2000 codestream and extract the codestream information
|
|
@param cinfo compressor handle
|
|
@param cio Output buffer stream
|
|
@param image Image to encode
|
|
@param cstr_info Codestream information structure if needed afterwards, NULL otherwise
|
|
@return Returns true if successful, returns false otherwise
|
|
*/
|
|
//OPJ_API bool OPJ_CALLCONV opj_encode_with_info(opj_cinfo_t *cinfo, opj_stream_t cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
|
|
/**
|
|
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_t *cstr_info);
|
|
|
|
//==============================================================================
|
|
//==============================================================================
|
|
/** profiling part */
|
|
#ifdef _PROFILE
|
|
void _ProfInit(void);
|
|
void _ProfPrint(void);
|
|
#define PROFINIT() _ProfInit();
|
|
#define PROFSAVE(file) _ProfSave(file);
|
|
#define PROFPRINT() _ProfPrint();
|
|
#else
|
|
#define PROFINIT()
|
|
#define PROFSAVE(file)
|
|
#define PROFPRINT()
|
|
#endif // !_PROFILE
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* OPENJPEG_H */
|
|
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|
|