519 lines
18 KiB
C
Executable File
519 lines
18 KiB
C
Executable File
/*
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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) 2003-2005, Francois Devaux and Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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* Copyright (c) 2006, Mónica Díez García, Image Processing Laboratory, University of Valladolid, Spain
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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 __J3D_H
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#define __J3D_H
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/**
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@file j3d.h
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@brief The JPEG-2000 Codestream Reader/Writer (J3D)
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The functions in J3D.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 J3D J3D - JPEG-2000 codestream reader/writer */
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/*@{*/
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#define J3D_CP_CSTY_PRT 0x01
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#define J3D_CP_CSTY_SOP 0x02
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#define J3D_CP_CSTY_EPH 0x04
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#define J3D_CCP_CSTY_PRT 0x01
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/** Table A-8 */
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#define J3D_CCP_CBLKSTY_LAZY 0x01 /* Selective arithmetic coding bypass */
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#define J3D_CCP_CBLKSTY_RESET 0x02 /* Reset context probabilities on coding pass boundaries */
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#define J3D_CCP_CBLKSTY_TERMALL 0x04 /* Termination on each coding pass */
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#define J3D_CCP_CBLKSTY_VSC 0x08 /* Vertically causal context, add also hook for switching off and on 3D context models */
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#define J3D_CCP_CBLKSTY_PTERM 0x10 /* Predictable termination */
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#define J3D_CCP_CBLKSTY_SEGSYM 0x20 /* Segmentation symbols are used */
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#define J3D_CCP_CBLKSTY_3DCTXT 0x40 /* 3D context models (3D-EBCOT) vs 2D context models */
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#define J3D_CCP_QNTSTY_NOQNT 0 /* Quantization style : no quantization */
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#define J3D_CCP_QNTSTY_SIQNT 1 /* Quantization style : scalar derived (values signalled only in LLL subband) */
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#define J3D_CCP_QNTSTY_SEQNT 2 /* Quantization style : scalar expounded (values signalled for each subband) */
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/* ----------------------------------------------------------------------- */
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#define J3D_MS_SOC 0xff4f /**< SOC marker value */
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#define J3D_MS_SOT 0xff90 /**< SOT marker value */
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#define J3D_MS_SOD 0xff93 /**< SOD marker value */
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#define J3D_MS_EOC 0xffd9 /**< EOC marker value */
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#define J3D_MS_CAP 0xff50 /**< CAP marker value */
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#define J3D_MS_SIZ 0xff51 /**< SIZ marker value */
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#define J3D_MS_ZSI 0xff54 /**< ZSI marker value */
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#define J3D_MS_COD 0xff52 /**< COD marker value */
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#define J3D_MS_COC 0xff53 /**< COC marker value */
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#define J3D_MS_RGN 0xff5e /**< RGN marker value */
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#define J3D_MS_QCD 0xff5c /**< QCD marker value */
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#define J3D_MS_QCC 0xff5d /**< QCC marker value */
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#define J3D_MS_POC 0xff5f /**< POC marker value */
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#define J3D_MS_TLM 0xff55 /**< TLM marker value */
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#define J3D_MS_PLM 0xff57 /**< PLM marker value */
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#define J3D_MS_PLT 0xff58 /**< PLT marker value */
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#define J3D_MS_PPM 0xff60 /**< PPM marker value */
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#define J3D_MS_PPT 0xff61 /**< PPT marker value */
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#define J3D_MS_SOP 0xff91 /**< SOP marker value */
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#define J3D_MS_EPH 0xff92 /**< EPH marker value */
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#define J3D_MS_CRG 0xff63 /**< CRG marker value */
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#define J3D_MS_COM 0xff64 /**< COM marker value */
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//15444-2
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#define J3D_MS_DCO 0xff70 /**< DCO marker value */
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#define J3D_MS_VMS 0xff71 /**< VMS marker value */
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#define J3D_MS_DFS 0xff72 /**< DFS marker value */
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#define J3D_MS_ADS 0xff73 /**< ADS marker value */
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#define J3D_MS_ATK 0xff79 /**< ATK marker value */
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#define J3D_MS_CBD 0xff78 /**< CBD marker value */
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#define J3D_MS_MCT 0xff74 /**< MCT marker value */
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#define J3D_MS_MCC 0xff75 /**< MCC marker value */
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#define J3D_MS_MCO 0xff77 /**< MCO marker value */
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#define J3D_MS_NLT 0xff76 /**< NLT marker value */
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#define J3D_MS_QPD 0xff5a /**< QPD marker value */
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#define J3D_MS_QPC 0xff5b /**< QPC marker value */
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/* ----------------------------------------------------------------------- */
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/* Capability RSIZ parameter, extended */
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#define J3D_RSIZ_BASIC 0x0000
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#define J3D_RSIZ_DCO 0x8001 /* Required */
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#define J3D_RSIZ_VSQNT 0x8002
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#define J3D_RSIZ_TCQNT 0x8004
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#define J3D_RSIZ_VMASK 0x8008
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#define J3D_RSIZ_SSOVL 0x8010
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#define J3D_RSIZ_ADECS 0x8020
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#define J3D_RSIZ_ATK 0x8040 /*Required*/
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#define J3D_RSIZ_SSYMK 0x8080
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#define J3D_RSIZ_MCT 0x8100 /*Not compatible with DCO*/
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#define J3D_RSIZ_NLT 0x8200 /*Required*/
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#define J3D_RSIZ_ASHAP 0x8400
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#define J3D_RSIZ_PRQNT 0x8800
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#define J3D_CAP_10 0x00400000
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/* Arbitrary transformation kernel, 15444-2 */
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#define J3D_ATK_IRR 0
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#define J3D_ATK_REV 1
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#define J3D_ATK_ARB 0
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#define J3D_ATK_WS 1
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#define J3D_ATK_CON 0
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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 J3D_STATUS {
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/**< a SOC marker is expected */
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J3D_STATE_MHSOC = 0x0001,
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/**< a SIZ marker is expected */
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J3D_STATE_MHSIZ = 0x0002,
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/**< the decoding process is in the main header */
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J3D_STATE_MH = 0x0004,
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/**< the decoding process is in a tile part header and expects a SOT marker */
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J3D_STATE_TPHSOT = 0x0008,
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/**< the decoding process is in a tile part header */
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J3D_STATE_TPH = 0x0010,
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/**< the EOC marker has just been read */
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J3D_STATE_MT = 0x0020,
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/**< the decoding process must not expect a EOC marker because the codestream is truncated */
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J3D_STATE_NEOC = 0x0040
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} J3D_STATUS;
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/**
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Arbitrary transformation kernel
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*/
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typedef struct opj_atk {
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/** index of wavelet kernel */
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int index;
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/** Numerical type of scaling factor and lifting step parameters */
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int coeff_typ;
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/** Wavelet filter category */
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int filt_cat;
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/** Wavelet transformation type (REV/IRR) */
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int wt_typ;
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/** Initial odd/even subsequence */
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int minit;
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/** Boundary extension method (constant CON / whole-sample symmetric WS) */
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int exten;
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/** Scaling factor. Only for wt_typ=IRR */
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double Katk;
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/** Number of lifting steps */
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int Natk;
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/** Offset for lifting step s. Only for filt_cat=ARB */
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int Oatk[256];
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/** Base 2 scaling exponent for lifting step s. Only for wt_typ=REV */
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int Eatk[256];
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/** Additive residue for lifting step s. Only for wt_typ=REV */
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int Batk[256];
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/** Number of lifting coefficients signaled for lifting step s */
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int LCatk[256];
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/** Lifting coefficient k for lifting step s */
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double Aatk[256][256];
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} opj_atk_t;
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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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int expn;
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/** mantissa */
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int 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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int csty;
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/** number of resolutions of x, y and z-axis */
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int numresolution[3];
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/** code-blocks width height & depth*/
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int cblk[3];
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/** code-block coding style */
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int cblksty;
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/** 0: no ATK (only 9-7 or 5-3) 1: ATK defined WT*/
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int atk_wt[3];
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/** Arbitrary transformation kernel (15444-2)*/
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opj_atk_t *atk;
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/** DWT identifier for x, y and z-axis (0:WT9-7 1:WT5-3 >1:WT-atk->index) */
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int dwtid[3];
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/** reversible/irreversible wavelet transfomation (0:irrev 1:reversible)*/
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int reversible;
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/** quantisation style */
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int qntsty;
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/** stepsizes used for quantization */
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opj_stepsize_t stepsizes[J3D_MAXBANDS];
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/** number of guard bits. Table A28 de 15444-1*/
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int numgbits;
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/** Region Of Interest shift */
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int roishift;
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/** precinct width heigth & depth*/
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int prctsiz[3][J3D_MAXRLVLS];
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} opj_tccp_t;
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/**
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Tile coding parameters : coding/decoding parameters common to all tiles
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(information like COD, COC in main header)
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*/
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typedef struct opj_tcp {
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/** 1 : first part-tile of a tile */
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int first;
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/** coding style */
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int 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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int numlayers;
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/** multi-component transform identifier */
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int mct;
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/** rates of layers */
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float rates[100];
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/** number of progression order changes */
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int numpocs;
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/** indicates if a POC marker has been used O:NO, 1:YES */
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int POC;
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/** progression order changes */
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opj_poc_t pocs[J3D_MAXRLVLS - 1];
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/** add fixed_quality */
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float distoratio[100];
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/** tile-component coding parameters */
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opj_tccp_t *tccps;
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/** packet header store there for futur use in t2_decode_packet */
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unsigned char *ppt_data;
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/** pointer remaining on the first byte of the first header if ppt is used */
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unsigned char *ppt_data_first;
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/** If ppt == 1 --> there was a PPT marker for the present tile */
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int ppt;
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/** used in case of multiple marker PPT (number of info already stored) */
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int ppt_store;
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int ppt_len;
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} opj_tcp_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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/** transform format 0: 2DWT, 1: 2D1P, 2: 3DWT, 3: 3RLS */
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OPJ_TRANSFORM transform_format;
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/** entropy coding format 0: 2EB, 1: 3EB, 2: 2GR, 3: 3GR, 4: GRI*/
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OPJ_ENTROPY_CODING encoding_format;
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/** allocation by rate/distortion */
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int disto_alloc;
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/** allocation by fixed layer */
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int fixed_alloc;
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/** add fixed_quality */
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int fixed_quality;
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/** Rsiz: capabilities */
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int rsiz;
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/** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, volume is decoded to the full resolution */
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int reduce[3];
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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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int layer;
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/** 0 = no index || 1 = index */
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int index_on;
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/** Big-Endian/Little-endian order */
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int bigendian;
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/** XTOsiz */
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int tx0;
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/** YTOsiz */
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int ty0;
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/** ZTOsiz */
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int tz0;
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/** XTsiz */
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int tdx;
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/** YTsiz */
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int tdy;
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/** ZTsiz */
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int tdz;
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/** comment for coding */
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char *comment;
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/** number of tiles in width, heigth and depth */
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int tw;
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int th;
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int tl;
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/** ID number of the tiles present in the codestream */
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int *tileno;
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/** size of the vector tileno */
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int tileno_size;
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/** tile coding parameters */
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opj_tcp_t *tcps;
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/** fixed layer */
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int *matrice;
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/** packet header store there for futur use in t2_decode_packet */
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unsigned char *ppm_data;
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/** pointer remaining on the first byte of the first header if ppm is used */
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unsigned char *ppm_data_first;
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/** if ppm == 1 --> there was a PPM marker for the present tile */
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int ppm;
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/** use in case of multiple marker PPM (number of info already store) */
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int ppm_store;
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/** use in case of multiple marker PPM (case on non-finished previous info) */
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int ppm_previous;
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int ppm_len;
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} opj_cp_t;
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/**
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Information concerning a packet inside tile
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*/
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typedef struct opj_packet_info {
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/** start position */
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int start_pos;
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/** end position */
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int end_pos;
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/** distorsion introduced */
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double disto;
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} opj_packet_info_t;
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/**
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Index structure : information regarding tiles inside volume
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*/
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typedef struct opj_tile_info {
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/** value of thresh for each layer by tile cfr. Marcela */
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double *thresh;
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/** number of tile */
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int num_tile;
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/** start position */
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int start_pos;
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/** end position of the header */
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int end_header;
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/** end position */
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int end_pos;
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/** precinct number for each resolution level (width, heigth and depth) */
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int prctno[3][J3D_MAXRLVLS];
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/** precinct size (in power of 2), in X for each resolution level */
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int prctsiz[3][J3D_MAXRLVLS];
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/** information concerning packets inside tile */
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opj_packet_info_t *packet;
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/** add fixed_quality */
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int nbpix;
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/** add fixed_quality */
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double distotile;
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} opj_tile_info_t;
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/**
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Index structure
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*/
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typedef struct opj_volume_info {
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/** transform format 0: 2DWT, 1: 2D1P, 2: 3DWT, 3: 3RLS */
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OPJ_TRANSFORM transform_format;
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/** output file format 0: 2EB, 1: 3EB, 2: 2GR, 3: 3GR, 4: GRI*/
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OPJ_ENTROPY_CODING encoding_format; /** 0 = no index || 1 = index */
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int index_on;
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/** 0 = wt 9-7 || 1 = wt 5-3 || >=2 wt atk defined */
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int dwtid[3];
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/** maximum distortion reduction on the whole volume (add for Marcela) */
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double D_max;
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/** packet number */
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int num;
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/** writing the packet in the index with t2_encode_packets */
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int index_write;
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/** volume width, height and depth */
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int volume_w;
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int volume_h;
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int volume_l;
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/** progression order */
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OPJ_PROG_ORDER prog;
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/** tile size in x, y and z */
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int tile_x;
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int tile_y;
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int tile_z;
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/** tile origin in x, y and z */
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int tile_Ox;
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int tile_Oy;
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int tile_Oz;
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/** number of tiles in X, Y and Z */
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int tw;
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int th;
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int tl;
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/** component numbers */
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int comp;
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/** number of layer */
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int layer;
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/** number of decomposition in X, Y and Z*/
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int decomposition[3];
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/** DC offset (15444-2) */
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int dcoffset;
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/** main header position */
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int main_head_end;
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/** codestream's size */
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int codestream_size;
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/** information regarding tiles inside volume */
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opj_tile_info_t *tile;
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} opj_volume_info_t;
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/**
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JPEG-2000 codestream reader/writer
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*/
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typedef struct opj_j3d {
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/** codec context */
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opj_common_ptr cinfo;
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/** locate in which part of the codestream the decoder is (main header, tile header, end) */
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int state;
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/** number of the tile curently concern by coding/decoding */
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int curtileno;
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/** locate the position of the end of the tile in the codestream, used to detect a truncated codestream (in j3d_read_sod) */
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unsigned char *eot;
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/** locate the start position of the SOT marker of the current coded tile: */
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int sot_start;
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/* after encoding the tile, a jump (in j3d_write_sod) is done to the SOT marker to store the value of its length. */
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int sod_start;
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/** as the J3D-file is written in several parts during encoding, it enables to make the right correction in position return by cio_tell */
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int pos_correction;
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/** array used to store the data of each tile */
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unsigned char **tile_data;
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/** array used to store the length of each tile */
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int *tile_len;
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/** decompression only : store decoding parameters common to all tiles */
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opj_tcp_t *default_tcp;
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/** pointer to the encoded / decoded volume */
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opj_volume_t *volume;
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/** pointer to the coding parameters */
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opj_cp_t *cp;
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/** helper used to write the index file */
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opj_volume_info_t *volume_info;
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/** pointer to the byte i/o stream */
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opj_cio_t *cio;
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} opj_j3d_t;
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/** @name Funciones generales */
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/*@{*/
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/* ----------------------------------------------------------------------- */
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/**
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Creates a J3D decompression structure
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@param cinfo Codec context info
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@return Returns a handle to a J3D decompressor if successful, returns NULL otherwise
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*/
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opj_j3d_t* j3d_create_decompress(opj_common_ptr cinfo);
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/**
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Destroy a J3D decompressor handle
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@param j3d J3D decompressor handle to destroy
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*/
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void j3d_destroy_decompress(opj_j3d_t *j3d);
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/**
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Setup the decoder decoding parameters using user parameters.
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Decoding parameters are returned in j3d->cp.
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@param j3d J3D decompressor handle
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@param parameters decompression parameters
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*/
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void j3d_setup_decoder(opj_j3d_t *j3d, opj_dparameters_t *parameters);
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/**
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Decode an volume from a JPEG-2000 codestream
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@param j3d J3D decompressor handle
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@param cio Input buffer stream
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@return Returns a decoded volume if successful, returns NULL otherwise
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*/
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opj_volume_t* j3d_decode(opj_j3d_t *j3d, opj_cio_t *cio);
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/**
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Decode an volume form a JPT-stream (JPEG 2000, JPIP)
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@param j3d J3D decompressor handle
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@param cio Input buffer stream
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@return Returns a decoded volume if successful, returns NULL otherwise
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*/
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opj_volume_t* j3d_decode_jpt_stream(opj_j3d_t *j3d, opj_cio_t *cio);
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/**
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Creates a J3D compression structure
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@param cinfo Codec context info
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@return Returns a handle to a J3D compressor if successful, returns NULL otherwise
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*/
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opj_j3d_t* j3d_create_compress(opj_common_ptr cinfo);
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/**
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Destroy a J3D compressor handle
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@param j3d J3D compressor handle to destroy
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*/
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void j3d_destroy_compress(opj_j3d_t *j3d);
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/**
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Setup the encoder parameters using the current volume and using user parameters.
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Coding parameters are returned in j3d->cp.
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@param j3d J3D compressor handle
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@param parameters compression parameters
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@param volume input filled volume
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*/
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void j3d_setup_encoder(opj_j3d_t *j3d, opj_cparameters_t *parameters, opj_volume_t *volume);
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/**
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Encode an volume into a JPEG-2000 codestream
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@param j3d J3D compressor handle
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@param cio Output buffer stream
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@param volume Volume to encode
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@param index Name of the index file if required, NULL otherwise
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@return Returns true if successful, returns false otherwise
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*/
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bool j3d_encode(opj_j3d_t *j3d, opj_cio_t *cio, opj_volume_t *volume, char *index);
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/* ----------------------------------------------------------------------- */
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/*@}*/
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/*@}*/
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#endif /* __J3D_H */
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