289 lines
13 KiB
C
289 lines
13 KiB
C
/*
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* Copyright (c) 2001-2002, David Janssens
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* Copyright (c) 2003-2004, Yannick Verschueren
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* Copyright (c) 2003-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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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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#define VERSION "0.0.8"
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#ifdef _WIN32
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#ifdef LIBJ2K_EXPORTS
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#define LIBJ2K_API __declspec(dllexport)
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#else
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#define LIBJ2K_API __declspec(dllimport)
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#endif
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#else
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#define LIBJ2K_API
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#endif
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#ifndef __J2K_H
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#define __J2K_H
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#define J2K_MAXRLVLS 33
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#define J2K_MAXBANDS (3*J2K_MAXRLVLS+1)
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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
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#define J2K_CCP_CBLKSTY_RESET 0x02
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#define J2K_CCP_CBLKSTY_TERMALL 0x04
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#define J2K_CCP_CBLKSTY_VSC 0x08
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#define J2K_CCP_CBLKSTY_PTERM 0x10
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#define J2K_CCP_CBLKSTY_SEGSYM 0x20
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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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typedef struct
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{
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int dx, dy; /* XRsiz, YRsiz */
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int prec; /* precision */
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int bpp; /* deapth of image in bits */
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int sgnd; /* signed */
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int *data; /* image-component data */
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} j2k_comp_t;
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typedef struct {
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int version;
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int x0, y0; /* XOsiz, YOsiz */
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int x1, y1; /* Xsiz, Ysiz */
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int numcomps; /* number of components */
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int index_on; /* 0 = no index || 1 = index */
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j2k_comp_t *comps; /* image-components */
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} j2k_image_t;
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typedef struct {
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int expn; /* exponent */
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int mant; /* mantissa */
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} j2k_stepsize_t;
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typedef struct {
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int csty; /* coding style */
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int numresolutions; /* number of resolutions */
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int cblkw; /* width of code-blocks */
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int cblkh; /* height of code-blocks */
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int cblksty; /* code-block coding style */
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int qmfbid; /* discrete wavelet transform identifier */
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int qntsty; /* quantisation style */
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j2k_stepsize_t stepsizes[J2K_MAXBANDS]; /* stepsizes used for quantisation */
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int numgbits; /* number of guard bits */
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int roishift; /* Region of Interest shift */
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int prcw[J2K_MAXRLVLS]; /* Precinct width */
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int prch[J2K_MAXRLVLS]; /* Precinct height */
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} j2k_tccp_t;
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typedef struct {
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int resno0, compno0;
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int layno1, resno1, compno1;
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int prg;
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int tile;
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char progorder[4];
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} j2k_poc_t;
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typedef struct {
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int csty; /* coding style */
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int prg; /* progression order */
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int numlayers; /* number of layers */
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int mct; /* multi-component transform identifier */
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int rates[100]; /* rates of layers */
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int numpocs; /* number of progression order changes */
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int POC; /* Precise if a POC marker has been used O:NO, 1:YES */
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j2k_poc_t pocs[32]; /* progression order changes */
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unsigned char *ppt_data; /* packet header store there for futur use in t2_decode_packet */
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int ppt; /* If ppt == 1 --> there was a PPT marker for the present tile */
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int ppt_store; /* Use in case of multiple marker PPT (number of info already store) */
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j2k_tccp_t *tccps; /* tile-component coding parameters */
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} j2k_tcp_t;
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typedef struct {
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int tx0, ty0; /* XTOsiz, YTOsiz */
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int tdx, tdy; /* XTsiz, YTsiz */
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int tw, th;
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unsigned char *ppm_data; /* packet header store there for futur use in t2_decode_packet */
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int ppm; /* If ppm == 1 --> there was a PPM marker for the present tile */
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int ppm_store; /* Use in case of multiple marker PPM (number of info already store) */
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int ppm_previous; /* Use in case of multiple marker PPM (case on non-finished previous info) */
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j2k_tcp_t *tcps; /* tile coding parameters */
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} j2k_cp_t;
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/* Packet information : Layer level */
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typedef struct {
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int len; /* Length of the body of the packet */
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int len_header; /* Length of the header of the packet */
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int offset; /* Offset of the body of the packet */
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int offset_header; /* Offset of the header of the packet */
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} info_layer_t;
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/* Access to packet information : precinct level */
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typedef struct {
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info_layer_t *layer;
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} info_prec_t;
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/* Access to packet information : resolution level */
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typedef struct {
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info_prec_t *prec;
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} info_reso_t;
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/* Access to packet information : component level */
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typedef struct {
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info_reso_t *reso;
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} info_compo_t;
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/* Information about the marker */
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typedef struct {
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int type; /* type of marker [SIZ, QCD, POC, PPM, CRG, COD] appearing only once */
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int start_pos; /* Start position of the marker */
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int len; /* Length of the marker */
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} info_marker_t;
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/* Multiple marker in tile header */
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typedef struct{
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info_marker_t *COC; /* COC markers */
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int num_COC; /* Number of COC marker */
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int CzCOC; /* Current size of the vector COC */
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info_marker_t *RGN; /* RGN markers */
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int num_RGN; /* Number of RGN marker */
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int CzRGN; /* Current size of the vector RGN */
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info_marker_t *QCC; /* QCC markers */
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int num_QCC; /* Number of QCC marker */
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int CzQCC; /* Current size of the vector QCC */
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info_marker_t *PLT; /* PLT markers */
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int num_PLT; /* Number of PLT marker */
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int CzPLT; /* Current size of the vector PLT */
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info_marker_t *PPT; /* PPT markers */
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int num_PPT; /* Number of PPT marker */
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int CzPPT; /* Current size of the vector PPT */
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info_marker_t *COM; /* COM markers */
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int num_COM; /* Number of COM marker */
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int CzCOM; /* Current size of the vector COC */
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} info_marker_mul_tile_t;
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/* Information about each tile_part for a particulary tile */
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typedef struct{
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int start_pos; /* Start position of the tile_part */
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int length; /* Length of the tile_part header + body */
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int length_header; /* Length of the header */
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int end_pos; /* End position of the tile part */
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int end_header; /* End position of the tile part header */
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int num_reso_AUX; /* Number of resolution level completed */
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} info_tile_part_t;
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/* Information about each tile */
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typedef struct {
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int num_tile; /* Number of Tile */
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int pw, ph; /* number of precinct by tile */
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int num_packet; /* number of packet in the tile */
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info_compo_t *compo; /* component [packet] */
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info_marker_t *marker; /* information concerning markers inside image [only one apparition] */
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info_marker_mul_tile_t marker_mul; /* information concerning markers inside image [multiple apparition] */
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int num_marker; /* number of marker */
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int numparts; /* number of tile_part for this tile */
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info_tile_part_t *tile_parts; /* Information about each tile_part */
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int Cztile_parts; /* Current size of the tile_parts vector */
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} info_tile_t; /* index struct */
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/* Multiple marker in main header */
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typedef struct{
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info_marker_t *COC; /* COC markers */
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int num_COC; /* Number of COC marker */
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int CzCOC; /* Current size of the vector COC */
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info_marker_t *RGN; /* RGN markers */
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int num_RGN; /* Number of RGN marker */
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int CzRGN; /* Current size of the vector RGN */
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info_marker_t *QCC; /* QCC markers */
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int num_QCC; /* Number of QCC marker */
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int CzQCC; /* Current size of the vector QCC */
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info_marker_t *TLM; /* TLM markers */
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int num_TLM; /* Number of TLM marker */
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int CzTLM; /* Current size of the vector TLM */
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info_marker_t *PLM; /* PLM markers */
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int num_PLM; /* Number of PLM marker */
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int CzPLM; /* Current size of the vector PLM */
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info_marker_t *PPM; /* PPM markers */
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int num_PPM; /* Number of PPM marker */
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int CzPPM; /* Current size of the vector PPM */
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info_marker_t *COM; /* COM markers */
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int num_COM; /* Number of COM marker */
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int CzCOM; /* Current size of the vector COM */
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} info_marker_mul_t; /* index struct */
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/* Information about image */
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typedef struct {
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int Im_w, Im_h; /* Image width and Height */
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int Tile_x, Tile_y; /* Number of Tile in X and Y */
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int tw, th;
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int pw, ph; /* nombre precinct in X and Y */
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int pdx, pdy; /* size of precinct in X and Y */
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int Prog; /* progression order */
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int Comp; /* Component numbers */
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int Layer; /* number of layer */
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int Decomposition; /* number of decomposition */
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int Main_head_end; /* Main header position */
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int codestream_size; /* codestream's size */
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info_marker_t *marker; /* information concerning markers inside image [only one apparition] */
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info_marker_mul_t marker_mul; /* information concerning markers inside image [multiple apparition] */
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int num_marker; /* number of marker */
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int num_packet_max; /* Maximum number of packet */
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int num_max_tile_parts; /* Maximum number of tile-part */
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info_tile_t *tile; /* information concerning tiles inside image */
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} info_image_t; /* index struct */
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#endif
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