/* * 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 */ int color_space; /* sRGB, Greyscale or YUV */ 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) */ float distoratio[100]; /* add fixed_quality */ j2k_tccp_t *tccps; /* tile-component coding parameters */ } j2k_tcp_t; typedef struct { int JPEG2000_format; /* 0: J2K 1:JP2 */ int intermed_file; /* 1: Store each encoded tile one by one in the output file (for mega-Images)*/ int image_type; /* 0: PNM, PGM, PPM 1: PGX */ int disto_alloc; /* Allocation by rate/distortion */ int fixed_alloc; /* Allocation by fixed layer */ int fixed_quality; /* add fixed_quality */ 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[33], ph[33]; /* precinct number for each resolution level */ int pdx[33], pdy[33]; /* precinct size (in power of 2), in X and Y for each resolution level */ info_packet *packet; /* information concerning packets inside tile */ int nbpix; /* add fixed_quality */ double distotile; /* add fixed_quality */ } 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; /* Tile size in x and y */ int tw, th; /* Number of Tile in X and Y */ int Comp; /* Component numbers */ int Layer; /* number of layer */ int Decomposition; /* number of decomposition */ 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 * output: destination buffer or name of the output file when cp->intermed_file==1 * len: length of destination buffer * index : index file name */ LIBJ2K_API int j2k_encode(j2k_image_t * i, j2k_cp_t * cp, char *output, 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