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openjpeg/libopenjpeg/j2k.h

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/*
* Copyright (c) 2001-2002, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2002-2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#define VERSION "0.0.8"
#ifdef DAVID_WIN32
#ifdef LIBJ2K_EXPORTS
#define LIBJ2K_API __declspec(dllexport)
#else
#define LIBJ2K_API __declspec(dllimport)
#endif
#else
#define LIBJ2K_API
#endif
#ifndef __J2K_H
#define __J2K_H
#define J2K_MAXRLVLS 33 /* Number of maximum resolution level authorized */
#define J2K_MAXBANDS (3*J2K_MAXRLVLS+1) /* Number of maximum sub-band linked to number of resolution level */
#define J2K_CP_CSTY_PRT 0x01
#define J2K_CP_CSTY_SOP 0x02
#define J2K_CP_CSTY_EPH 0x04
#define J2K_CCP_CSTY_PRT 0x01
#define J2K_CCP_CBLKSTY_LAZY 0x01
#define J2K_CCP_CBLKSTY_RESET 0x02
#define J2K_CCP_CBLKSTY_TERMALL 0x04
#define J2K_CCP_CBLKSTY_VSC 0x08
#define J2K_CCP_CBLKSTY_PTERM 0x10
#define J2K_CCP_CBLKSTY_SEGSYM 0x20
#define J2K_CCP_QNTSTY_NOQNT 0
#define J2K_CCP_QNTSTY_SIQNT 1
#define J2K_CCP_QNTSTY_SEQNT 2
typedef struct {
int reduce_on; /* option reduce is used if reduce = 1 */
int reduce_value; /* if option reduce is used -> original dimension divided by 2^value */
} j2k_option_t;
typedef struct {
int dx, dy; /* XRsiz, YRsiz */
int w, h; /* width and height of data */
int x0, y0; /* offset of the component compare to the whole image */
int prec; /* precision */
int bpp; /* deapth of image in bits */
int sgnd; /* signed */
int resno_decoded; /* number of decoded resolution */
int factor; /* number of division by 2 of the out image compare to the original size of image */
int *data; /* image-component data */
} j2k_comp_t;
typedef struct {
int x0, y0; /* XOsiz, YOsiz */
int x1, y1; /* Xsiz, Ysiz */
int numcomps; /* number of components */
int index_on; /* 0 = no index || 1 = index */
j2k_comp_t *comps; /* image-components */
} j2k_image_t;
typedef struct {
int expn; /* exponent */
int mant; /* mantissa */
} j2k_stepsize_t;
typedef struct {
int csty; /* coding style */
int numresolutions; /* number of resolutions */
int cblkw; /* width of code-blocks */
int cblkh; /* height of code-blocks */
int cblksty; /* code-block coding style */
int qmfbid; /* discrete wavelet transform identifier */
int qntsty; /* quantisation style */
j2k_stepsize_t stepsizes[J2K_MAXBANDS]; /* stepsizes used for quantisation */
int numgbits; /* number of guard bits */
int roishift; /* Region Of Interest shift */
int prcw[J2K_MAXRLVLS]; /* Precinct width */
int prch[J2K_MAXRLVLS]; /* Precinct height */
} j2k_tccp_t;
typedef struct {
int resno0, compno0;
int layno1, resno1, compno1;
int prg;
int tile;
char progorder[4];
} j2k_poc_t;
typedef struct {
int first; /* 1 : first part-tile of a tile */
int csty; /* coding style */
int prg; /* progression order */
int numlayers; /* number of layers */
int mct; /* multi-component transform identifier */
int rates[100]; /* rates of layers */
int numpocs; /* number of progression order changes */
int POC; /* Precise if a POC marker has been used O:NO, 1:YES */
j2k_poc_t pocs[32]; /* progression order changes */
unsigned char *ppt_data; /* packet header store there for futur use in t2_decode_packet */
int ppt; /* If ppt == 1 --> there was a PPT marker for the present tile */
int ppt_store; /* Use in case of multiple marker PPT (number of info already store) */
j2k_tccp_t *tccps; /* tile-component coding parameters */
} j2k_tcp_t;
typedef struct {
int image_type; /* 0: PNM, PGM, PPM 1: PGX */
int disto_alloc; /* Allocation by rate/distortion */
int fixed_alloc; /* Allocation by fixed layer */
int reduce_on; /* option reduce is used if reduce = 1 */
int reduce_value; /* if option reduce is used -> original dimension divided by 2^value */
int tx0, ty0; /* XTOsiz, YTOsiz */
int tdx, tdy; /* XTsiz, YTsiz */
char *comment; /* comment for coding */
int tw, th; /* number of tiles in width and heigth */
int *tileno; /* ID number of the tiles present in the codestream */
int tileno_size; /* size of the vector tileno */
unsigned char *ppm_data; /* packet header store there for futur use in t2_decode_packet */
int ppm; /* If ppm == 1 --> there was a PPM marker for the present tile */
int ppm_store; /* Use in case of multiple marker PPM (number of info already store) */
int ppm_previous; /* Use in case of multiple marker PPM (case on non-finished previous info) */
j2k_tcp_t *tcps; /* tile coding parameters */
int *matrice; /* Fixed layer */
} j2k_cp_t;
typedef struct {
int start_pos, end_pos; /* start and end position */
double disto; /* ADD for Marcela */
} info_packet; /* Index struct */
typedef struct {
double *thresh; /* value of thresh for each layer by tile cfr. Marcela */
int num_tile; /* Number of Tile */
int start_pos; /* Start position */
int end_header; /* End position of the header */
int end_pos; /* End position */
int pw, ph; /* number of precinct by tile */
info_packet *packet; /* information concerning packets inside tile */
} info_tile; /* index struct */
typedef struct {
int index_on;
double D_max; /* ADD for Marcela */
int num; /* numero of packet */
int index_write; /* writing the packet inthe index with t2_encode_packets */
int Im_w, Im_h; /* Image width and Height */
int Prog; /* progression order */
int Tile_x, Tile_y; /* Number of Tile in X and Y */
int tw, th;
int Comp; /* Component numbers */
int Layer; /* number of layer */
int Decomposition; /* number of decomposition */
int pw, ph; /* nombre precinct in X and Y */
int pdx, pdy; /* size of precinct in X and Y */
int Main_head_end; /* Main header position */
int codestream_size; /* codestream's size */
info_tile *tile; /* information concerning tiles inside image */
} info_image; /* index struct */
/*
* Encode an image into a JPEG-2000 codestream
* i: image to encode
* cp: coding parameters
* dest: destination buffer
* len: length of destination buffer
* index : index file name
*/
LIBJ2K_API int j2k_encode(j2k_image_t * i, j2k_cp_t * cp, char *outfile,
int len, char *index);
/* LIBJ2K_API int j2k_encode(j2k_image_t *i, j2k_cp_t *cp,unsigned char *dest, int len); */
/*
* Decode an image from a JPEG-2000 codestream
* src: source buffer
* len: length of source buffer
* i: decode image
* cp: coding parameters that were used to encode the image
*/
LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t ** img,
j2k_cp_t ** cp, j2k_option_t option);
/*
* Decode an image form a JPT-stream (JPEG 2000, JPIP)
* src: source buffer
* len: length of source buffer
* i: decode image
* cp: coding parameters that were used to encode the image
*
*/
int j2k_decode_jpt_stream(unsigned char *src, int len, j2k_image_t ** img,
j2k_cp_t ** cp);
#endif
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