2 * Copyright (c) 2001-2002, David Janssens
3 * Copyright (c) 2002-2003, Yannick Verschueren
4 * Copyright (c) 2002-2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
29 #define VERSION "0.0.8"
33 #define LIBJ2K_API __declspec(dllexport)
35 #define LIBJ2K_API __declspec(dllimport)
44 #define J2K_MAXRLVLS 33 /* Number of maximum resolution level authorized */
45 #define J2K_MAXBANDS (3*J2K_MAXRLVLS+1) /* Number of maximum sub-band linked to number of resolution level */
47 #define J2K_CP_CSTY_PRT 0x01
48 #define J2K_CP_CSTY_SOP 0x02
49 #define J2K_CP_CSTY_EPH 0x04
50 #define J2K_CCP_CSTY_PRT 0x01
51 #define J2K_CCP_CBLKSTY_LAZY 0x01
52 #define J2K_CCP_CBLKSTY_RESET 0x02
53 #define J2K_CCP_CBLKSTY_TERMALL 0x04
54 #define J2K_CCP_CBLKSTY_VSC 0x08
55 #define J2K_CCP_CBLKSTY_PTERM 0x10
56 #define J2K_CCP_CBLKSTY_SEGSYM 0x20
57 #define J2K_CCP_QNTSTY_NOQNT 0
58 #define J2K_CCP_QNTSTY_SIQNT 1
59 #define J2K_CCP_QNTSTY_SEQNT 2
62 int dx, dy; /* XRsiz, YRsiz */
63 int prec; /* precision */
64 int bpp; /* deapth of image in bits */
65 int sgnd; /* signed */
66 int *data; /* image-component data */
70 int x0, y0; /* XOsiz, YOsiz */
71 int x1, y1; /* Xsiz, Ysiz */
72 int numcomps; /* number of components */
73 int index_on; /* 0 = no index || 1 = index */
74 j2k_comp_t *comps; /* image-components */
78 int expn; /* exponent */
79 int mant; /* mantissa */
83 int csty; /* coding style */
84 int numresolutions; /* number of resolutions */
85 int cblkw; /* width of code-blocks */
86 int cblkh; /* height of code-blocks */
87 int cblksty; /* code-block coding style */
88 int qmfbid; /* discrete wavelet transform identifier */
89 int qntsty; /* quantisation style */
90 j2k_stepsize_t stepsizes[J2K_MAXBANDS]; /* stepsizes used for quantisation */
91 int numgbits; /* number of guard bits */
92 int roishift; /* Region Of Interest shift */
93 int prcw[J2K_MAXRLVLS]; /* Precinct width */
94 int prch[J2K_MAXRLVLS]; /* Precinct height */
99 int layno1, resno1, compno1;
106 int first; /* 1 : first part-tile of a tile */
107 int csty; /* coding style */
108 int prg; /* progression order */
109 int numlayers; /* number of layers */
110 int mct; /* multi-component transform identifier */
111 int rates[100]; /* rates of layers */
112 int numpocs; /* number of progression order changes */
113 int POC; /* Precise if a POC marker has been used O:NO, 1:YES */
114 j2k_poc_t pocs[32]; /* progression order changes */
115 unsigned char *ppt_data; /* packet header store there for futur use in t2_decode_packet */
116 int ppt; /* If ppt == 1 --> there was a PPT marker for the present tile */
117 int ppt_store; /* Use in case of multiple marker PPT (number of info already store) */
118 j2k_tccp_t *tccps; /* tile-component coding parameters */
122 int image_type; /* 0: PNM, PGM, PPM 1: PGX */
123 int disto_alloc; /* Allocation by rate/distortion */
124 int fixed_alloc; /* Allocation by fixed layer */
125 int tx0, ty0; /* XTOsiz, YTOsiz */
126 int tdx, tdy; /* XTsiz, YTsiz */
127 char *comment; /* comment for coding */
129 unsigned char *ppm_data; /* packet header store there for futur use in t2_decode_packet */
130 int ppm; /* If ppm == 1 --> there was a PPM marker for the present tile */
131 int ppm_store; /* Use in case of multiple marker PPM (number of info already store) */
132 int ppm_previous; /* Use in case of multiple marker PPM (case on non-finished previous info) */
133 j2k_tcp_t *tcps; /* tile coding parameters */
134 int *matrice; /* Fixed layer */
138 int start_pos, end_pos; /* start and end position */
139 double disto; /* ADD for Marcela */
140 } info_packet; /* Index struct */
143 double *thresh; /* value of thresh for each layer by tile cfr. Marcela */
144 int num_tile; /* Number of Tile */
145 int start_pos; /* Start position */
146 int end_header; /* End position of the header */
147 int end_pos; /* End position */
148 int pw, ph; /* number of precinct by tile */
149 info_packet *packet; /* information concerning packets inside tile */
150 } info_tile; /* index struct */
154 double D_max; /* ADD for Marcela */
155 int num; /* numero of packet */
156 int index_write; /* writing the packet inthe index with t2_encode_packets */
157 int Im_w, Im_h; /* Image width and Height */
158 int Prog; /* progression order */
159 int Tile_x, Tile_y; /* Number of Tile in X and Y */
161 int Comp; /* Component numbers */
162 int Layer; /* number of layer */
163 int Decomposition; /* number of decomposition */
164 int pw, ph; /* nombre precinct in X and Y */
165 int pdx, pdy; /* size of precinct in X and Y */
166 int Main_head_end; /* Main header position */
167 int codestream_size; /* codestream's size */
168 info_tile *tile; /* information concerning tiles inside image */
169 } info_image; /* index struct */
172 * Encode an image into a JPEG-2000 codestream
174 * cp: coding parameters
175 * dest: destination buffer
176 * len: length of destination buffer
177 * index : index file name
179 LIBJ2K_API int j2k_encode(j2k_image_t * i, j2k_cp_t * cp, char *outfile, int len, char *index);
181 /* LIBJ2K_API int j2k_encode(j2k_image_t *i, j2k_cp_t *cp,unsigned char *dest, int len); */
183 * Decode an image from a JPEG-2000 codestream
185 * len: length of source buffer
187 * cp: coding parameters that were used to encode the image
189 LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t ** img, j2k_cp_t ** cp);
193 * Decode an image form a JPT-stream (JPEG 2000, JPIP)
195 * len: length of source buffer
197 * cp: coding parameters that were used to encode the image
200 int j2k_decode_jpt_stream(unsigned char *src, int len, j2k_image_t ** img, j2k_cp_t ** cp);