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 "0.0.9"
31 #if defined(_WIN32) && defined (OPENJPEGDLL)
32 #ifdef gdcmopenjpeg_EXPORTS /*LIBJ2K_EXPORTS*/
33 #define LIBJ2K_API __declspec(dllexport)
35 #define LIBJ2K_API __declspec(dllimport)
39 #define LIBJ2K_API extern
49 #define J2K_MAXRLVLS 33 /* Number of maximum resolution level authorized */
50 #define J2K_MAXBANDS (3*J2K_MAXRLVLS-2) /* Number of maximum sub-band linked to number of resolution level */
60 #define J2K_CP_CSTY_PRT 0x01
61 #define J2K_CP_CSTY_SOP 0x02
62 #define J2K_CP_CSTY_EPH 0x04
63 #define J2K_CCP_CSTY_PRT 0x01
64 #define J2K_CCP_CBLKSTY_LAZY 0x01
65 #define J2K_CCP_CBLKSTY_RESET 0x02
66 #define J2K_CCP_CBLKSTY_TERMALL 0x04
67 #define J2K_CCP_CBLKSTY_VSC 0x08
68 #define J2K_CCP_CBLKSTY_PTERM 0x10
69 #define J2K_CCP_CBLKSTY_SEGSYM 0x20
70 #define J2K_CCP_QNTSTY_NOQNT 0
71 #define J2K_CCP_QNTSTY_SIQNT 1
72 #define J2K_CCP_QNTSTY_SEQNT 2
75 int dx, dy; /* XRsiz, YRsiz */
76 int w, h; /* width and height of data */
77 int x0, y0; /* offset of the component compare to the whole image */
78 int prec; /* precision */
79 int bpp; /* deapth of image in bits */
80 int sgnd; /* signed */
81 int resno_decoded; /* number of decoded resolution */
82 int factor; /* number of division by 2 of the out image compare to the original size of image */
83 int *data; /* image-component data */
87 int x0, y0; /* XOsiz, YOsiz */
88 int x1, y1; /* Xsiz, Ysiz */
89 int numcomps; /* number of components */
90 int color_space; /* sRGB, Greyscale or YUV */
91 j2k_comp_t *comps; /* image-components */
95 int expn; /* exponent */
96 int mant; /* mantissa */
100 int csty; /* coding style */
101 int numresolutions; /* number of resolutions */
102 int cblkw; /* width of code-blocks */
103 int cblkh; /* height of code-blocks */
104 int cblksty; /* code-block coding style */
105 int qmfbid; /* discrete wavelet transform identifier */
106 int qntsty; /* quantisation style */
107 j2k_stepsize_t stepsizes[J2K_MAXBANDS]; /* stepsizes used for quantization */
108 int numgbits; /* number of guard bits */
109 int roishift; /* Region Of Interest shift */
110 int prcw[J2K_MAXRLVLS]; /* Precinct width */
111 int prch[J2K_MAXRLVLS]; /* Precinct height */
116 int layno1, resno1, compno1;
123 int first; /* 1 : first part-tile of a tile */
124 int csty; /* coding style */
125 int prg; /* progression order */
126 int numlayers; /* number of layers */
127 int mct; /* multi-component transform identifier */
128 int rates[100]; /* rates of layers */
129 int numpocs; /* number of progression order changes */
130 int POC; /* Precise if a POC marker has been used O:NO, 1:YES */
131 j2k_poc_t pocs[32]; /* progression order changes */
132 unsigned char *ppt_data; /* packet header store there for futur use in t2_decode_packet */
133 unsigned char *ppt_data_first; /* pointer remaining on the first byte of the first header if ppt is used */
134 int ppt; /* If ppt == 1 --> there was a PPT marker for the present tile */
135 int ppt_store; /* Use in case of multiple marker PPT (number of info already store) */
136 int ppt_len; /* ppmbug1 */
137 float distoratio[100]; /* add fixed_quality */
138 j2k_tccp_t *tccps; /* tile-component coding parameters */
142 int intermed_file; /* 1: Store each encoded tile one by one in the output file (for mega-Images)*/
143 int decod_format; /* 0: PGX, 1: PxM, 2: BMP */
144 int cod_format; /* 0: J2K, 1: JP2, 2: JPT */
145 int disto_alloc; /* Allocation by rate/distortion */
146 int fixed_alloc; /* Allocation by fixed layer */
147 int fixed_quality; /* add fixed_quality */
148 int reduce; /* if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the full resolution */
149 int layer; /* if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */
150 int index_on; /* 0 = no index || 1 = index */
151 int tx0, ty0; /* XTOsiz, YTOsiz */
152 int tdx, tdy; /* XTsiz, YTsiz */
153 char *comment; /* comment for coding */
154 int tw, th; /* number of tiles in width and heigth */
155 int *tileno; /* ID number of the tiles present in the codestream */
156 int tileno_size; /* size of the vector tileno */
157 unsigned char *ppm_data; /* packet header store there for futur use in t2_decode_packet */
158 unsigned char *ppm_data_first; /* pointer remaining on the first byte of the first header if ppm is used */
159 int ppm; /* If ppm == 1 --> there was a PPM marker for the present tile */
160 int ppm_store; /* Use in case of multiple marker PPM (number of info already store) */
161 int ppm_previous; /* Use in case of multiple marker PPM (case on non-finished previous info) */
162 int ppm_len; /* ppmbug1 */
163 j2k_tcp_t *tcps; /* tile coding parameters */
164 int *matrice; /* Fixed layer */
168 int start_pos, end_pos; /* start and end position */
169 double disto; /* ADD for Marcela */
170 } info_packet; /* Index struct */
173 double *thresh; /* value of thresh for each layer by tile cfr. Marcela */
174 int num_tile; /* Number of Tile */
175 int start_pos; /* Start position */
176 int end_header; /* End position of the header */
177 int end_pos; /* End position */
178 int pw[33], ph[33]; /* precinct number for each resolution level */
180 int pdx[33], pdy[33]; /* precinct size (in power of 2), in X and Y for each resolution level */
181 info_packet *packet; /* information concerning packets inside tile */
182 int nbpix; /* add fixed_quality */
183 double distotile; /* add fixed_quality */
184 } info_tile; /* index struct */
188 double D_max; /* ADD for Marcela */
189 int num; /* numero of packet */
190 int index_write; /* writing the packet inthe index with t2_encode_packets */
191 int Im_w, Im_h; /* Image width and Height */
192 int Prog; /* progression order */
193 int Tile_x, Tile_y; /* Tile size in x and y */
194 int Tile_Ox, Tile_Oy;
195 int tw, th; /* Number of Tile in X and Y */
196 int Comp; /* Component numbers */
197 int Layer; /* number of layer */
198 int Decomposition; /* number of decomposition */
199 int Main_head_end; /* Main header position */
200 int codestream_size; /* codestream's size */
201 info_tile *tile; /* information concerning tiles inside image */
202 } info_image; /* index struct */
205 * Encode an image into a JPEG-2000 codestream
207 * cp: coding parameters
208 * output: destination buffer or name of the output file when cp->intermed_file==1
209 * len: length of destination buffer
210 * index : index file name
212 LIBJ2K_API int j2k_encode(j2k_image_t * i, j2k_cp_t * cp, char *output,
213 int len, char *index);
215 /* LIBJ2K_API int j2k_encode(j2k_image_t *i, j2k_cp_t *cp,unsigned char *dest, int len); */
217 * Decode an image from a JPEG-2000 codestream
219 * len: length of source buffer
221 * cp: coding parameters that were used to encode the image
224 LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t * img,
229 * Decode an image form a JPT-stream (JPEG 2000, JPIP)
231 * len: length of source buffer
233 * cp: coding parameters that were used to encode the image
236 int j2k_decode_jpt_stream(unsigned char *src, int len, j2k_image_t * img,
239 LIBJ2K_API void j2k_dec_release();/*antonin*/