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901 lines
30 KiB
C
901 lines
30 KiB
C
/*
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* The copyright in this software is being made available under the 2-clauses
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* BSD License, included below. This software may be subject to other third
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* party and contributor rights, including patent rights, and no such rights
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* are granted under this license.
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*
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* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2014, Professor Benoit Macq
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* Copyright (c) 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
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* Copyright (c) 2003-2014, 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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* Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
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* Copyright (c) 2012, CS Systemes d'Information, France
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef OPJ_J2K_H
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#define OPJ_J2K_H
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/**
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@file j2k.h
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@brief The JPEG-2000 Codestream Reader/Writer (J2K)
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The functions in J2K.C have for goal to read/write the several parts of the codestream: markers and data.
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*/
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/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
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/*@{*/
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#define J2K_CP_CSTY_PRT 0x01
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#define J2K_CP_CSTY_SOP 0x02
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#define J2K_CP_CSTY_EPH 0x04
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#define J2K_CCP_CSTY_PRT 0x01
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#define J2K_CCP_CBLKSTY_LAZY 0x01 /**< Selective arithmetic coding bypass */
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#define J2K_CCP_CBLKSTY_RESET 0x02 /**< Reset context probabilities on coding pass boundaries */
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#define J2K_CCP_CBLKSTY_TERMALL 0x04 /**< Termination on each coding pass */
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#define J2K_CCP_CBLKSTY_VSC 0x08 /**< Vertically stripe causal context */
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#define J2K_CCP_CBLKSTY_PTERM 0x10 /**< Predictable termination */
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#define J2K_CCP_CBLKSTY_SEGSYM 0x20 /**< Segmentation symbols are used */
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#define J2K_CCP_QNTSTY_NOQNT 0
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#define J2K_CCP_QNTSTY_SIQNT 1
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#define J2K_CCP_QNTSTY_SEQNT 2
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/* ----------------------------------------------------------------------- */
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#define J2K_MS_SOC 0xff4f /**< SOC marker value */
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#define J2K_MS_SOT 0xff90 /**< SOT marker value */
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#define J2K_MS_SOD 0xff93 /**< SOD marker value */
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#define J2K_MS_EOC 0xffd9 /**< EOC marker value */
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#define J2K_MS_SIZ 0xff51 /**< SIZ marker value */
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#define J2K_MS_COD 0xff52 /**< COD marker value */
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#define J2K_MS_COC 0xff53 /**< COC marker value */
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#define J2K_MS_RGN 0xff5e /**< RGN marker value */
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#define J2K_MS_QCD 0xff5c /**< QCD marker value */
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#define J2K_MS_QCC 0xff5d /**< QCC marker value */
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#define J2K_MS_POC 0xff5f /**< POC marker value */
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#define J2K_MS_TLM 0xff55 /**< TLM marker value */
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#define J2K_MS_PLM 0xff57 /**< PLM marker value */
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#define J2K_MS_PLT 0xff58 /**< PLT marker value */
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#define J2K_MS_PPM 0xff60 /**< PPM marker value */
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#define J2K_MS_PPT 0xff61 /**< PPT marker value */
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#define J2K_MS_SOP 0xff91 /**< SOP marker value */
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#define J2K_MS_EPH 0xff92 /**< EPH marker value */
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#define J2K_MS_CRG 0xff63 /**< CRG marker value */
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#define J2K_MS_COM 0xff64 /**< COM marker value */
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#define J2K_MS_CBD 0xff78 /**< CBD marker value */
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#define J2K_MS_MCC 0xff75 /**< MCC marker value */
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#define J2K_MS_MCT 0xff74 /**< MCT marker value */
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#define J2K_MS_MCO 0xff77 /**< MCO marker value */
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#define J2K_MS_UNK 0 /**< UNKNOWN marker value */
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/* UniPG>> */
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#ifdef USE_JPWL
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#define J2K_MS_EPC 0xff68 /**< EPC marker value (Part 11: JPEG 2000 for Wireless) */
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#define J2K_MS_EPB 0xff66 /**< EPB marker value (Part 11: JPEG 2000 for Wireless) */
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#define J2K_MS_ESD 0xff67 /**< ESD marker value (Part 11: JPEG 2000 for Wireless) */
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#define J2K_MS_RED 0xff69 /**< RED marker value (Part 11: JPEG 2000 for Wireless) */
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#endif /* USE_JPWL */
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#ifdef USE_JPSEC
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#define J2K_MS_SEC 0xff65 /**< SEC marker value (Part 8: Secure JPEG 2000) */
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#define J2K_MS_INSEC 0xff94 /**< INSEC marker value (Part 8: Secure JPEG 2000) */
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#endif /* USE_JPSEC */
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/* <<UniPG */
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#define J2K_MAX_POCS 32 /**< Maximum number of POCs */
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/* ----------------------------------------------------------------------- */
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/**
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* Values that specify the status of the decoding process when decoding the main header.
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* These values may be combined with a | operator.
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* */
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typedef enum J2K_STATUS {
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J2K_STATE_NONE = 0x0000, /**< a SOC marker is expected */
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J2K_STATE_MHSOC = 0x0001, /**< a SOC marker is expected */
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J2K_STATE_MHSIZ = 0x0002, /**< a SIZ marker is expected */
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J2K_STATE_MH = 0x0004, /**< the decoding process is in the main header */
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J2K_STATE_TPHSOT = 0x0008, /**< the decoding process is in a tile part header and expects a SOT marker */
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J2K_STATE_TPH = 0x0010, /**< the decoding process is in a tile part header */
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J2K_STATE_MT = 0x0020, /**< the EOC marker has just been read */
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J2K_STATE_NEOC = 0x0040, /**< the decoding process must not expect a EOC marker because the codestream is truncated */
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J2K_STATE_DATA = 0x0080, /**< a tile header has been successfully read and codestream is expected */
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J2K_STATE_EOC = 0x0100, /**< the decoding process has encountered the EOC marker */
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J2K_STATE_ERR = 0x8000 /**< the decoding process has encountered an error (FIXME warning V1 = 0x0080)*/
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} J2K_STATUS;
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/**
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* Type of elements storing in the MCT data
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*/
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typedef enum MCT_ELEMENT_TYPE {
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MCT_TYPE_INT16 = 0, /** MCT data is stored as signed shorts*/
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MCT_TYPE_INT32 = 1, /** MCT data is stored as signed integers*/
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MCT_TYPE_FLOAT = 2, /** MCT data is stored as floats*/
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MCT_TYPE_DOUBLE = 3 /** MCT data is stored as doubles*/
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} J2K_MCT_ELEMENT_TYPE;
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/**
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* Type of MCT array
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*/
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typedef enum MCT_ARRAY_TYPE {
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MCT_TYPE_DEPENDENCY = 0,
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MCT_TYPE_DECORRELATION = 1,
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MCT_TYPE_OFFSET = 2
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} J2K_MCT_ARRAY_TYPE;
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/* ----------------------------------------------------------------------- */
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/**
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T2 encoding mode
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*/
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typedef enum T2_MODE {
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THRESH_CALC = 0, /** Function called in Rate allocation process*/
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FINAL_PASS = 1 /** Function called in Tier 2 process*/
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} J2K_T2_MODE;
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/**
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* Quantization stepsize
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*/
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typedef struct opj_stepsize {
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/** exponent */
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OPJ_INT32 expn;
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/** mantissa */
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OPJ_INT32 mant;
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} opj_stepsize_t;
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/**
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Tile-component coding parameters
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*/
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typedef struct opj_tccp {
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/** coding style */
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OPJ_UINT32 csty;
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/** number of resolutions */
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OPJ_UINT32 numresolutions;
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/** code-blocks width */
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OPJ_UINT32 cblkw;
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/** code-blocks height */
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OPJ_UINT32 cblkh;
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/** code-block coding style */
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OPJ_UINT32 cblksty;
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/** discrete wavelet transform identifier */
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OPJ_UINT32 qmfbid;
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/** quantisation style */
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OPJ_UINT32 qntsty;
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/** stepsizes used for quantization */
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opj_stepsize_t stepsizes[OPJ_J2K_MAXBANDS];
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/** number of guard bits */
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OPJ_UINT32 numgbits;
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/** Region Of Interest shift */
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OPJ_INT32 roishift;
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/** precinct width */
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OPJ_UINT32 prcw[OPJ_J2K_MAXRLVLS];
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/** precinct height */
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OPJ_UINT32 prch[OPJ_J2K_MAXRLVLS];
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/** the dc_level_shift **/
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OPJ_INT32 m_dc_level_shift;
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}
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opj_tccp_t;
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/**
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* FIXME DOC
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*/
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typedef struct opj_mct_data {
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J2K_MCT_ELEMENT_TYPE m_element_type;
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J2K_MCT_ARRAY_TYPE m_array_type;
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OPJ_UINT32 m_index;
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OPJ_BYTE * m_data;
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OPJ_UINT32 m_data_size;
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}
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opj_mct_data_t;
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/**
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* FIXME DOC
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*/
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typedef struct opj_simple_mcc_decorrelation_data {
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OPJ_UINT32 m_index;
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OPJ_UINT32 m_nb_comps;
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opj_mct_data_t * m_decorrelation_array;
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opj_mct_data_t * m_offset_array;
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OPJ_BITFIELD m_is_irreversible : 1;
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}
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opj_simple_mcc_decorrelation_data_t;
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typedef struct opj_ppx_struct {
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OPJ_BYTE* m_data; /* m_data == NULL => Zppx not read yet */
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OPJ_UINT32 m_data_size;
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} opj_ppx;
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/**
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Tile coding parameters :
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this structure is used to store coding/decoding parameters common to all
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tiles (information like COD, COC in main header)
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*/
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typedef struct opj_tcp {
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/** coding style */
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OPJ_UINT32 csty;
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/** progression order */
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OPJ_PROG_ORDER prg;
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/** number of layers */
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OPJ_UINT32 numlayers;
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OPJ_UINT32 num_layers_to_decode;
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/** multi-component transform identifier */
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OPJ_UINT32 mct;
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/** rates of layers */
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OPJ_FLOAT32 rates[100];
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/** number of progression order changes */
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OPJ_UINT32 numpocs;
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/** progression order changes */
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opj_poc_t pocs[J2K_MAX_POCS];
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/** number of ppt markers (reserved size) */
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OPJ_UINT32 ppt_markers_count;
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/** ppt markers data (table indexed by Zppt) */
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opj_ppx* ppt_markers;
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/** packet header store there for future use in t2_decode_packet */
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OPJ_BYTE *ppt_data;
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/** used to keep a track of the allocated memory */
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OPJ_BYTE *ppt_buffer;
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/** Number of bytes stored inside ppt_data*/
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OPJ_UINT32 ppt_data_size;
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/** size of ppt_data*/
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OPJ_UINT32 ppt_len;
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/** add fixed_quality */
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OPJ_FLOAT32 distoratio[100];
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/** tile-component coding parameters */
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opj_tccp_t *tccps;
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/** current tile part number or -1 if first time into this tile */
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OPJ_INT32 m_current_tile_part_number;
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/** number of tile parts for the tile. */
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OPJ_UINT32 m_nb_tile_parts;
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/** data for the tile */
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OPJ_BYTE * m_data;
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/** size of data */
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OPJ_UINT32 m_data_size;
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/** encoding norms */
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OPJ_FLOAT64 * mct_norms;
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/** the mct decoding matrix */
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OPJ_FLOAT32 * m_mct_decoding_matrix;
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/** the mct coding matrix */
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OPJ_FLOAT32 * m_mct_coding_matrix;
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/** mct records */
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opj_mct_data_t * m_mct_records;
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/** the number of mct records. */
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OPJ_UINT32 m_nb_mct_records;
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/** the max number of mct records. */
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OPJ_UINT32 m_nb_max_mct_records;
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/** mcc records */
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opj_simple_mcc_decorrelation_data_t * m_mcc_records;
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/** the number of mct records. */
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OPJ_UINT32 m_nb_mcc_records;
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/** the max number of mct records. */
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OPJ_UINT32 m_nb_max_mcc_records;
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/***** FLAGS *******/
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/** If cod == 1 --> there was a COD marker for the present tile */
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OPJ_BITFIELD cod : 1;
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/** If ppt == 1 --> there was a PPT marker for the present tile */
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OPJ_BITFIELD ppt : 1;
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/** indicates if a POC marker has been used O:NO, 1:YES */
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OPJ_BITFIELD POC : 1;
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} opj_tcp_t;
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typedef struct opj_encoding_param {
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/** Maximum rate for each component. If == 0, component size limitation is not considered */
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OPJ_UINT32 m_max_comp_size;
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/** Position of tile part flag in progression order*/
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OPJ_INT32 m_tp_pos;
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/** fixed layer */
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OPJ_INT32 *m_matrice;
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/** Flag determining tile part generation*/
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OPJ_BYTE m_tp_flag;
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/** allocation by rate/distortion */
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OPJ_BITFIELD m_disto_alloc : 1;
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/** allocation by fixed layer */
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OPJ_BITFIELD m_fixed_alloc : 1;
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/** add fixed_quality */
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OPJ_BITFIELD m_fixed_quality : 1;
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/** Enabling Tile part generation*/
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OPJ_BITFIELD m_tp_on : 1;
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}
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opj_encoding_param_t;
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typedef struct opj_decoding_param {
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/** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the full resolution */
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OPJ_UINT32 m_reduce;
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/** if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */
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OPJ_UINT32 m_layer;
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}
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opj_decoding_param_t;
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/**
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* Coding parameters
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*/
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typedef struct opj_cp {
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/** Size of the image in bits*/
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/*int img_size;*/
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/** Rsiz*/
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OPJ_UINT16 rsiz;
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/** XTOsiz */
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OPJ_UINT32 tx0; /* MSD see norm */
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/** YTOsiz */
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OPJ_UINT32 ty0; /* MSD see norm */
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/** XTsiz */
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OPJ_UINT32 tdx;
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/** YTsiz */
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OPJ_UINT32 tdy;
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/** comment */
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OPJ_CHAR *comment;
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/** number of tiles in width */
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OPJ_UINT32 tw;
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/** number of tiles in height */
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OPJ_UINT32 th;
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/** number of ppm markers (reserved size) */
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OPJ_UINT32 ppm_markers_count;
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/** ppm markers data (table indexed by Zppm) */
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opj_ppx* ppm_markers;
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/** packet header store there for future use in t2_decode_packet */
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OPJ_BYTE *ppm_data;
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/** size of the ppm_data*/
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OPJ_UINT32 ppm_len;
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/** size of the ppm_data*/
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OPJ_UINT32 ppm_data_read;
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OPJ_BYTE *ppm_data_current;
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/** packet header storage original buffer */
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OPJ_BYTE *ppm_buffer;
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/** pointer remaining on the first byte of the first header if ppm is used */
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OPJ_BYTE *ppm_data_first;
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/** Number of bytes actually stored inside the ppm_data */
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OPJ_UINT32 ppm_data_size;
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/** use in case of multiple marker PPM (number of info already store) */
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OPJ_INT32 ppm_store;
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/** use in case of multiple marker PPM (case on non-finished previous info) */
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OPJ_INT32 ppm_previous;
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/** tile coding parameters */
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opj_tcp_t *tcps;
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union {
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opj_decoding_param_t m_dec;
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opj_encoding_param_t m_enc;
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}
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m_specific_param;
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/* UniPG>> */
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#ifdef USE_JPWL
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/** enables writing of EPC in MH, thus activating JPWL */
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OPJ_BOOL epc_on;
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/** enables writing of EPB, in case of activated JPWL */
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OPJ_BOOL epb_on;
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/** enables writing of ESD, in case of activated JPWL */
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OPJ_BOOL esd_on;
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/** enables writing of informative techniques of ESD, in case of activated JPWL */
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OPJ_BOOL info_on;
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/** enables writing of RED, in case of activated JPWL */
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OPJ_BOOL red_on;
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/** error protection method for MH (0,1,16,32,37-128) */
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int hprot_MH;
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/** tile number of header protection specification (>=0) */
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int 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 hprot_TPH[JPWL_MAX_NO_TILESPECS];
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/** tile number of packet protection specification (>=0) */
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int pprot_tileno[JPWL_MAX_NO_PACKSPECS];
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/** packet number of packet protection specification (>=0) */
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int 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 pprot[JPWL_MAX_NO_PACKSPECS];
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/** enables writing of ESD, (0/2/4 bytes) */
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int sens_size;
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/** sensitivity addressing size (0=auto/2/4 bytes) */
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int sens_addr;
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/** sensitivity range (0-3) */
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int sens_range;
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/** sensitivity method for MH (-1,0-7) */
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int sens_MH;
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/** tile number of sensitivity specification (>=0) */
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int sens_TPH_tileno[JPWL_MAX_NO_TILESPECS];
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/** sensitivity methods for TPHs (-1,0-7) */
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int sens_TPH[JPWL_MAX_NO_TILESPECS];
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/** enables JPWL correction at the decoder */
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OPJ_BOOL correct;
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/** expected number of components at the decoder */
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int exp_comps;
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/** maximum number of tiles at the decoder */
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OPJ_UINT32 max_tiles;
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#endif /* USE_JPWL */
|
|
|
|
/******** FLAGS *********/
|
|
/** if ppm == 1 --> there was a PPM marker*/
|
|
OPJ_BITFIELD ppm : 1;
|
|
/** tells if the parameter is a coding or decoding one */
|
|
OPJ_BITFIELD m_is_decoder : 1;
|
|
/** whether different bit depth or sign per component is allowed. Decoder only for ow */
|
|
OPJ_BITFIELD allow_different_bit_depth_sign : 1;
|
|
/* <<UniPG */
|
|
} opj_cp_t;
|
|
|
|
|
|
typedef struct opj_j2k_dec {
|
|
/** locate in which part of the codestream the decoder is (main header, tile header, end) */
|
|
OPJ_UINT32 m_state;
|
|
/**
|
|
* store decoding parameters common to all tiles (information like COD, COC in main header)
|
|
*/
|
|
opj_tcp_t *m_default_tcp;
|
|
OPJ_BYTE *m_header_data;
|
|
OPJ_UINT32 m_header_data_size;
|
|
/** to tell the tile part length */
|
|
OPJ_UINT32 m_sot_length;
|
|
/** Only tiles index in the correct range will be decoded.*/
|
|
OPJ_UINT32 m_start_tile_x;
|
|
OPJ_UINT32 m_start_tile_y;
|
|
OPJ_UINT32 m_end_tile_x;
|
|
OPJ_UINT32 m_end_tile_y;
|
|
|
|
/** Index of the tile to decode (used in get_tile) */
|
|
OPJ_INT32 m_tile_ind_to_dec;
|
|
/** Position of the last SOT marker read */
|
|
OPJ_OFF_T m_last_sot_read_pos;
|
|
|
|
/**
|
|
* Indicate that the current tile-part is assume as the last tile part of the codestream.
|
|
* It is useful in the case of PSot is equal to zero. The sot length will be compute in the
|
|
* SOD reader function. FIXME NOT USED for the moment
|
|
*/
|
|
OPJ_BOOL m_last_tile_part;
|
|
|
|
OPJ_UINT32 m_numcomps_to_decode;
|
|
OPJ_UINT32 *m_comps_indices_to_decode;
|
|
|
|
/** to tell that a tile can be decoded. */
|
|
OPJ_BITFIELD m_can_decode : 1;
|
|
OPJ_BITFIELD m_discard_tiles : 1;
|
|
OPJ_BITFIELD m_skip_data : 1;
|
|
/** TNsot correction : see issue 254 **/
|
|
OPJ_BITFIELD m_nb_tile_parts_correction_checked : 1;
|
|
OPJ_BITFIELD m_nb_tile_parts_correction : 1;
|
|
|
|
} opj_j2k_dec_t;
|
|
|
|
typedef struct opj_j2k_enc {
|
|
/** Tile part number, regardless of poc, for each new poc, tp is reset to 1*/
|
|
OPJ_UINT32 m_current_poc_tile_part_number; /* tp_num */
|
|
|
|
/** Tile part number currently coding, taking into account POC. m_current_tile_part_number holds the total number of tile parts while encoding the last tile part.*/
|
|
OPJ_UINT32 m_current_tile_part_number; /*cur_tp_num */
|
|
|
|
/**
|
|
locate the start position of the TLM marker
|
|
after encoding the tilepart, a jump (in j2k_write_sod) is done to the TLM marker to store the value of its length.
|
|
*/
|
|
OPJ_OFF_T m_tlm_start;
|
|
/**
|
|
* Stores the sizes of the tlm.
|
|
*/
|
|
OPJ_BYTE * m_tlm_sot_offsets_buffer;
|
|
/**
|
|
* The current offset of the tlm buffer.
|
|
*/
|
|
OPJ_BYTE * m_tlm_sot_offsets_current;
|
|
|
|
/** Total num of tile parts in whole image = num tiles* num tileparts in each tile*/
|
|
/** used in TLMmarker*/
|
|
OPJ_UINT32 m_total_tile_parts; /* totnum_tp */
|
|
|
|
/* encoded data for a tile */
|
|
OPJ_BYTE * m_encoded_tile_data;
|
|
|
|
/* size of the encoded_data */
|
|
OPJ_UINT32 m_encoded_tile_size;
|
|
|
|
/* encoded data for a tile */
|
|
OPJ_BYTE * m_header_tile_data;
|
|
|
|
/* size of the encoded_data */
|
|
|
|
OPJ_UINT32 m_header_tile_data_size;
|
|
|
|
/* whether to generate PLT markers */
|
|
OPJ_BOOL m_PLT;
|
|
|
|
/* reserved bytes in m_encoded_tile_size for PLT markers */
|
|
OPJ_UINT32 m_reserved_bytes_for_PLT;
|
|
|
|
} opj_j2k_enc_t;
|
|
|
|
|
|
|
|
struct opj_tcd;
|
|
/**
|
|
JPEG-2000 codestream reader/writer
|
|
*/
|
|
typedef struct opj_j2k {
|
|
/* J2K codestream is decoded*/
|
|
OPJ_BOOL m_is_decoder;
|
|
|
|
/* FIXME DOC*/
|
|
union {
|
|
opj_j2k_dec_t m_decoder;
|
|
opj_j2k_enc_t m_encoder;
|
|
}
|
|
m_specific_param;
|
|
|
|
/** pointer to the internal/private encoded / decoded image */
|
|
opj_image_t* m_private_image;
|
|
|
|
/* pointer to the output image (decoded)*/
|
|
opj_image_t* m_output_image;
|
|
|
|
/** Coding parameters */
|
|
opj_cp_t m_cp;
|
|
|
|
/** the list of procedures to exec **/
|
|
opj_procedure_list_t * m_procedure_list;
|
|
|
|
/** the list of validation procedures to follow to make sure the code is valid **/
|
|
opj_procedure_list_t * m_validation_list;
|
|
|
|
/** helper used to write the index file */
|
|
opj_codestream_index_t *cstr_index;
|
|
|
|
/** number of the tile currently concern by coding/decoding */
|
|
OPJ_UINT32 m_current_tile_number;
|
|
|
|
/** the current tile coder/decoder **/
|
|
struct opj_tcd * m_tcd;
|
|
|
|
/** Thread pool */
|
|
opj_thread_pool_t* m_tp;
|
|
|
|
/** Image width coming from JP2 IHDR box. 0 from a pure codestream */
|
|
OPJ_UINT32 ihdr_w;
|
|
|
|
/** Image height coming from JP2 IHDR box. 0 from a pure codestream */
|
|
OPJ_UINT32 ihdr_h;
|
|
|
|
/** Set to 1 by the decoder initialization if OPJ_DPARAMETERS_DUMP_FLAG is set */
|
|
unsigned int dump_state;
|
|
}
|
|
opj_j2k_t;
|
|
|
|
|
|
|
|
|
|
/** @name Exported functions */
|
|
/*@{*/
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
/**
|
|
Setup the decoder decoding parameters using user parameters.
|
|
Decoding parameters are returned in j2k->cp.
|
|
@param j2k J2K decompressor handle
|
|
@param parameters decompression parameters
|
|
*/
|
|
void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters);
|
|
|
|
OPJ_BOOL opj_j2k_set_threads(opj_j2k_t *j2k, OPJ_UINT32 num_threads);
|
|
|
|
/**
|
|
* Creates a J2K compression structure
|
|
*
|
|
* @return Returns a handle to a J2K compressor if successful, returns NULL otherwise
|
|
*/
|
|
opj_j2k_t* opj_j2k_create_compress(void);
|
|
|
|
|
|
OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
|
|
opj_cparameters_t *parameters,
|
|
opj_image_t *image,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
/**
|
|
Converts an enum type progression order to string type
|
|
*/
|
|
const char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order);
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/*@}*/
|
|
|
|
/*@}*/
|
|
|
|
/**
|
|
* Ends the decompression procedures and possibiliy add data to be read after the
|
|
* codestream.
|
|
*/
|
|
OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *j2k,
|
|
opj_stream_private_t *p_stream,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
/**
|
|
* Reads a jpeg2000 codestream header structure.
|
|
*
|
|
* @param p_stream the stream to read data from.
|
|
* @param p_j2k the jpeg2000 codec.
|
|
* @param p_image FIXME DOC
|
|
* @param p_manager the user event manager.
|
|
*
|
|
* @return true if the box is valid.
|
|
*/
|
|
OPJ_BOOL opj_j2k_read_header(opj_stream_private_t *p_stream,
|
|
opj_j2k_t* p_j2k,
|
|
opj_image_t** p_image,
|
|
opj_event_mgr_t* p_manager);
|
|
|
|
|
|
/**
|
|
* Destroys a jpeg2000 codec.
|
|
*
|
|
* @param p_j2k the jpeg20000 structure to destroy.
|
|
*/
|
|
void opj_j2k_destroy(opj_j2k_t *p_j2k);
|
|
|
|
/**
|
|
* Destroys a codestream index structure.
|
|
*
|
|
* @param p_cstr_ind the codestream index parameter to destroy.
|
|
*/
|
|
void j2k_destroy_cstr_index(opj_codestream_index_t *p_cstr_ind);
|
|
|
|
/**
|
|
* Decode tile data.
|
|
* @param p_j2k the jpeg2000 codec.
|
|
* @param p_tile_index
|
|
* @param p_data FIXME DOC
|
|
* @param p_data_size FIXME DOC
|
|
* @param p_stream the stream to write data to.
|
|
* @param p_manager the user event manager.
|
|
*/
|
|
OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k,
|
|
OPJ_UINT32 p_tile_index,
|
|
OPJ_BYTE * p_data,
|
|
OPJ_UINT32 p_data_size,
|
|
opj_stream_private_t *p_stream,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
/**
|
|
* Reads a tile header.
|
|
* @param p_j2k the jpeg2000 codec.
|
|
* @param p_tile_index FIXME DOC
|
|
* @param p_data_size FIXME DOC
|
|
* @param p_tile_x0 FIXME DOC
|
|
* @param p_tile_y0 FIXME DOC
|
|
* @param p_tile_x1 FIXME DOC
|
|
* @param p_tile_y1 FIXME DOC
|
|
* @param p_nb_comps FIXME DOC
|
|
* @param p_go_on FIXME DOC
|
|
* @param p_stream the stream to write data to.
|
|
* @param p_manager the user event manager.
|
|
*/
|
|
OPJ_BOOL opj_j2k_read_tile_header(opj_j2k_t * p_j2k,
|
|
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_go_on,
|
|
opj_stream_private_t *p_stream,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
|
|
/** Sets the indices of the components to decode.
|
|
*
|
|
* @param p_j2k the jpeg2000 codec.
|
|
* @param numcomps Number of components to decode.
|
|
* @param comps_indices Array of num_compts indices (numbering starting at 0)
|
|
* corresponding to the components to decode.
|
|
* @param p_manager Event manager
|
|
*
|
|
* @return OPJ_TRUE in case of success.
|
|
*/
|
|
OPJ_BOOL opj_j2k_set_decoded_components(opj_j2k_t *p_j2k,
|
|
OPJ_UINT32 numcomps,
|
|
const OPJ_UINT32* comps_indices,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
/**
|
|
* 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_j2k the jpeg2000 codec.
|
|
* @param p_image FIXME DOC
|
|
* @param p_start_x the left 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_x the right position of the rectangle to decode (in image coordinates).
|
|
* @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
|
|
* @param p_manager the user event manager
|
|
*
|
|
* @return true if the area could be set.
|
|
*/
|
|
OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
|
|
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,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
/**
|
|
* Creates a J2K decompression structure.
|
|
*
|
|
* @return a handle to a J2K decompressor if successful, NULL otherwise.
|
|
*/
|
|
opj_j2k_t* opj_j2k_create_decompress(void);
|
|
|
|
|
|
/**
|
|
* Dump some elements from the J2K decompression structure .
|
|
*
|
|
*@param p_j2k the jpeg2000 codec.
|
|
*@param flag flag to describe what elements are dump.
|
|
*@param out_stream output stream where dump the elements.
|
|
*
|
|
*/
|
|
void j2k_dump(opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream);
|
|
|
|
|
|
|
|
/**
|
|
* Dump an image header structure.
|
|
*
|
|
*@param image the image header to dump.
|
|
*@param dev_dump_flag flag to describe if we are in the case of this function is use outside j2k_dump function
|
|
*@param out_stream output stream where dump the elements.
|
|
*/
|
|
void j2k_dump_image_header(opj_image_t* image, OPJ_BOOL dev_dump_flag,
|
|
FILE* out_stream);
|
|
|
|
/**
|
|
* Dump a component image header structure.
|
|
*
|
|
*@param comp the component image header to dump.
|
|
*@param dev_dump_flag flag to describe if we are in the case of this function is use outside j2k_dump function
|
|
*@param out_stream output stream where dump the elements.
|
|
*/
|
|
void j2k_dump_image_comp_header(opj_image_comp_t* comp, OPJ_BOOL dev_dump_flag,
|
|
FILE* out_stream);
|
|
|
|
/**
|
|
* Get the codestream info from a JPEG2000 codec.
|
|
*
|
|
*@param p_j2k the component image header to dump.
|
|
*
|
|
*@return the codestream information extract from the jpg2000 codec
|
|
*/
|
|
opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k);
|
|
|
|
/**
|
|
* Get the codestream index from a JPEG2000 codec.
|
|
*
|
|
*@param p_j2k the component image header to dump.
|
|
*
|
|
*@return the codestream index extract from the jpg2000 codec
|
|
*/
|
|
opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k);
|
|
|
|
/**
|
|
* Decode an image from a JPEG-2000 codestream
|
|
* @param j2k J2K decompressor handle
|
|
* @param p_stream FIXME DOC
|
|
* @param p_image FIXME DOC
|
|
* @param p_manager FIXME DOC
|
|
* @return FIXME DOC
|
|
*/
|
|
OPJ_BOOL opj_j2k_decode(opj_j2k_t *j2k,
|
|
opj_stream_private_t *p_stream,
|
|
opj_image_t *p_image,
|
|
opj_event_mgr_t *p_manager);
|
|
|
|
|
|
OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
|
|
opj_stream_private_t *p_stream,
|
|
opj_image_t* p_image,
|
|
opj_event_mgr_t * p_manager,
|
|
OPJ_UINT32 tile_index);
|
|
|
|
OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k,
|
|
OPJ_UINT32 res_factor,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
/**
|
|
* Specify extra options for the encoder.
|
|
*
|
|
* @param p_j2k the jpeg2000 codec.
|
|
* @param p_options options
|
|
* @param p_manager the user event manager
|
|
*
|
|
* @see opj_encoder_set_extra_options() for more details.
|
|
*/
|
|
OPJ_BOOL opj_j2k_encoder_set_extra_options(
|
|
opj_j2k_t *p_j2k,
|
|
const char* const* p_options,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
/**
|
|
* Writes a tile.
|
|
* @param p_j2k the jpeg2000 codec.
|
|
* @param p_tile_index FIXME DOC
|
|
* @param p_data FIXME DOC
|
|
* @param p_data_size FIXME DOC
|
|
* @param p_stream the stream to write data to.
|
|
* @param p_manager the user event manager.
|
|
*/
|
|
OPJ_BOOL opj_j2k_write_tile(opj_j2k_t * p_j2k,
|
|
OPJ_UINT32 p_tile_index,
|
|
OPJ_BYTE * p_data,
|
|
OPJ_UINT32 p_data_size,
|
|
opj_stream_private_t *p_stream,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
/**
|
|
* Encodes an image into a JPEG-2000 codestream
|
|
*/
|
|
OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
|
|
opj_stream_private_t *cio,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
/**
|
|
* Starts a compression scheme, i.e. validates the codec parameters, writes the header.
|
|
*
|
|
* @param p_j2k the jpeg2000 codec.
|
|
* @param p_stream the stream object.
|
|
* @param p_image FIXME DOC
|
|
* @param p_manager the user event manager.
|
|
*
|
|
* @return true if the codec is valid.
|
|
*/
|
|
OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k,
|
|
opj_stream_private_t *p_stream,
|
|
opj_image_t * p_image,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
/**
|
|
* Ends the compression procedures and possibiliy add data to be read after the
|
|
* codestream.
|
|
*/
|
|
OPJ_BOOL opj_j2k_end_compress(opj_j2k_t *p_j2k,
|
|
opj_stream_private_t *cio,
|
|
opj_event_mgr_t * p_manager);
|
|
|
|
OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image);
|
|
|
|
|
|
#endif /* OPJ_J2K_H */
|