1 /* 2 * The copyright in this software is being made available under the 2-clauses 3 * BSD License, included below. This software may be subject to other third 4 * party and contributor rights, including patent rights, and no such rights 5 * are granted under this license. 6 * 7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium 8 * Copyright (c) 2002-2014, Professor Benoit Macq 9 * Copyright (c) 2002-2003, Yannick Verschueren 10 * Copyright (c) 2005, Herve Drolon, FreeImage Team 11 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR 12 * Copyright (c) 2012, CS Systemes d'Information, France 13 * All rights reserved. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 #ifndef __JP2_H 37 #define __JP2_H 38 /** 39 @file jp2.h 40 @brief The JPEG-2000 file format Reader/Writer (JP2) 41 42 */ 43 44 /** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */ 45 /*@{*/ 46 47 /*#define JPIP_JPIP 0x6a706970*/ 48 49 #define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */ 50 #define JP2_FTYP 0x66747970 /**< File type box */ 51 #define JP2_JP2H 0x6a703268 /**< JP2 header box (super-box) */ 52 #define JP2_IHDR 0x69686472 /**< Image header box */ 53 #define JP2_COLR 0x636f6c72 /**< Colour specification box */ 54 #define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */ 55 #define JP2_URL 0x75726c20 /**< Data entry URL box */ 56 #define JP2_PCLR 0x70636c72 /**< Palette box */ 57 #define JP2_CMAP 0x636d6170 /**< Component Mapping box */ 58 #define JP2_CDEF 0x63646566 /**< Channel Definition box */ 59 #define JP2_DTBL 0x6474626c /**< Data Reference box */ 60 #define JP2_BPCC 0x62706363 /**< Bits per component box */ 61 #define JP2_JP2 0x6a703220 /**< File type fields */ 62 63 /* For the future */ 64 /* #define JP2_RES 0x72657320 */ /**< Resolution box (super-box) */ 65 /* #define JP2_JP2I 0x6a703269 */ /**< Intellectual property box */ 66 /* #define JP2_XML 0x786d6c20 */ /**< XML box */ 67 /* #define JP2_UUID 0x75756994 */ /**< UUID box */ 68 /* #define JP2_UINF 0x75696e66 */ /**< UUID info box (super-box) */ 69 /* #define JP2_ULST 0x756c7374 */ /**< UUID list box */ 70 71 /* ----------------------------------------------------------------------- */ 72 73 typedef enum 74 { 75 JP2_STATE_NONE = 0x0, 76 JP2_STATE_SIGNATURE = 0x1, 77 JP2_STATE_FILE_TYPE = 0x2, 78 JP2_STATE_HEADER = 0x4, 79 JP2_STATE_CODESTREAM = 0x8, 80 JP2_STATE_END_CODESTREAM = 0x10, 81 JP2_STATE_UNKNOWN = 0x7fffffff /* ISO C restricts enumerator values to range of 'int' */ 82 } 83 JP2_STATE; 84 85 typedef enum 86 { 87 JP2_IMG_STATE_NONE = 0x0, 88 JP2_IMG_STATE_UNKNOWN = 0x7fffffff 89 } 90 JP2_IMG_STATE; 91 92 /** 93 Channel description: channel index, type, association 94 */ 95 typedef struct opj_jp2_cdef_info 96 { 97 OPJ_UINT16 cn, typ, asoc; 98 } opj_jp2_cdef_info_t; 99 100 /** 101 Channel descriptions and number of descriptions 102 */ 103 typedef struct opj_jp2_cdef 104 { 105 opj_jp2_cdef_info_t *info; 106 OPJ_UINT16 n; 107 } opj_jp2_cdef_t; 108 109 /** 110 Component mappings: channel index, mapping type, palette index 111 */ 112 typedef struct opj_jp2_cmap_comp 113 { 114 OPJ_UINT16 cmp; 115 OPJ_BYTE mtyp, pcol; 116 } opj_jp2_cmap_comp_t; 117 118 /** 119 Palette data: table entries, palette columns 120 */ 121 typedef struct opj_jp2_pclr 122 { 123 OPJ_UINT32 *entries; 124 OPJ_BYTE *channel_sign; 125 OPJ_BYTE *channel_size; 126 opj_jp2_cmap_comp_t *cmap; 127 OPJ_UINT16 nr_entries; 128 OPJ_BYTE nr_channels; 129 } opj_jp2_pclr_t; 130 131 /** 132 Collector for ICC profile, palette, component mapping, channel description 133 */ 134 typedef struct opj_jp2_color 135 { 136 OPJ_BYTE *icc_profile_buf; 137 OPJ_UINT32 icc_profile_len; 138 139 opj_jp2_cdef_t *jp2_cdef; 140 opj_jp2_pclr_t *jp2_pclr; 141 OPJ_BYTE jp2_has_colr; 142 } opj_jp2_color_t; 143 144 /** 145 JP2 component 146 */ 147 typedef struct opj_jp2_comps { 148 OPJ_UINT32 depth; 149 OPJ_UINT32 sgnd; 150 OPJ_UINT32 bpcc; 151 } opj_jp2_comps_t; 152 153 /** 154 JPEG-2000 file format reader/writer 155 */ 156 typedef struct opj_jp2 157 { 158 /** handle to the J2K codec */ 159 opj_j2k_t *j2k; 160 /** list of validation procedures */ 161 struct opj_procedure_list * m_validation_list; 162 /** list of execution procedures */ 163 struct opj_procedure_list * m_procedure_list; 164 165 /* width of image */ 166 OPJ_UINT32 w; 167 /* height of image */ 168 OPJ_UINT32 h; 169 /* number of components in the image */ 170 OPJ_UINT32 numcomps; 171 OPJ_UINT32 bpc; 172 OPJ_UINT32 C; 173 OPJ_UINT32 UnkC; 174 OPJ_UINT32 IPR; 175 OPJ_UINT32 meth; 176 OPJ_UINT32 approx; 177 OPJ_UINT32 enumcs; 178 OPJ_UINT32 precedence; 179 OPJ_UINT32 brand; 180 OPJ_UINT32 minversion; 181 OPJ_UINT32 numcl; 182 OPJ_UINT32 *cl; 183 opj_jp2_comps_t *comps; 184 /* FIXME: The following two variables are used to save offset 185 as we write out a JP2 file to disk. This mecanism is not flexible 186 as codec writers will need to extand those fields as new part 187 of the standard are implemented. 188 */ 189 OPJ_OFF_T j2k_codestream_offset; 190 OPJ_OFF_T jpip_iptr_offset; 191 OPJ_BOOL jpip_on; 192 OPJ_UINT32 jp2_state; 193 OPJ_UINT32 jp2_img_state; 194 195 opj_jp2_color_t color; 196 197 OPJ_BOOL ignore_pclr_cmap_cdef; 198 } 199 opj_jp2_t; 200 201 /** 202 JP2 Box 203 */ 204 typedef struct opj_jp2_box { 205 OPJ_UINT32 length; 206 OPJ_UINT32 type; 207 OPJ_INT32 init_pos; 208 } opj_jp2_box_t; 209 210 typedef struct opj_jp2_header_handler 211 { 212 /* marker value */ 213 OPJ_UINT32 id; 214 /* action linked to the marker */ 215 OPJ_BOOL (*handler) ( opj_jp2_t *jp2, 216 OPJ_BYTE *p_header_data, 217 OPJ_UINT32 p_header_size, 218 opj_event_mgr_t * p_manager); 219 } 220 opj_jp2_header_handler_t; 221 222 223 typedef struct opj_jp2_img_header_writer_handler 224 { 225 /* action to perform */ 226 OPJ_BYTE* (*handler) (opj_jp2_t *jp2, OPJ_UINT32 * p_data_size); 227 /* result of the action : data */ 228 OPJ_BYTE* m_data; 229 /* size of data */ 230 OPJ_UINT32 m_size; 231 } 232 opj_jp2_img_header_writer_handler_t; 233 234 /** @name Exported functions */ 235 /*@{*/ 236 /* ----------------------------------------------------------------------- */ 237 238 /** 239 Setup the decoder decoding parameters using user parameters. 240 Decoding parameters are returned in jp2->j2k->cp. 241 @param jp2 JP2 decompressor handle 242 @param parameters decompression parameters 243 */ 244 void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters); 245 246 /** 247 * Decode an image from a JPEG-2000 file stream 248 * @param jp2 JP2 decompressor handle 249 * @param p_stream FIXME DOC 250 * @param p_image FIXME DOC 251 * @param p_manager FIXME DOC 252 * 253 * @return Returns a decoded image if successful, returns NULL otherwise 254 */ 255 OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2, 256 opj_stream_private_t *p_stream, 257 opj_image_t* p_image, 258 opj_event_mgr_t * p_manager); 259 260 /** 261 * Setup the encoder parameters using the current image and using user parameters. 262 * Coding parameters are returned in jp2->j2k->cp. 263 * 264 * @param jp2 JP2 compressor handle 265 * @param parameters compression parameters 266 * @param image input filled image 267 * @param p_manager FIXME DOC 268 * @return OPJ_TRUE if successful, OPJ_FALSE otherwise 269 */ 270 OPJ_BOOL opj_jp2_setup_encoder( opj_jp2_t *jp2, 271 opj_cparameters_t *parameters, 272 opj_image_t *image, 273 opj_event_mgr_t * p_manager); 274 275 /** 276 Encode an image into a JPEG-2000 file stream 277 @param jp2 JP2 compressor handle 278 @param stream Output buffer stream 279 @param p_manager event manager 280 @return Returns true if successful, returns false otherwise 281 */ 282 OPJ_BOOL opj_jp2_encode( opj_jp2_t *jp2, 283 opj_stream_private_t *stream, 284 opj_event_mgr_t * p_manager); 285 286 287 /** 288 * Starts a compression scheme, i.e. validates the codec parameters, writes the header. 289 * 290 * @param jp2 the jpeg2000 file codec. 291 * @param stream the stream object. 292 * @param p_image FIXME DOC 293 * @param p_manager FIXME DOC 294 * 295 * @return true if the codec is valid. 296 */ 297 OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2, 298 opj_stream_private_t *stream, 299 opj_image_t * p_image, 300 opj_event_mgr_t * p_manager); 301 302 303 /** 304 * Ends the compression procedures and possibiliy add data to be read after the 305 * codestream. 306 */ 307 OPJ_BOOL opj_jp2_end_compress( opj_jp2_t *jp2, 308 opj_stream_private_t *cio, 309 opj_event_mgr_t * p_manager); 310 311 /* ----------------------------------------------------------------------- */ 312 313 /** 314 * Ends the decompression procedures and possibiliy add data to be read after the 315 * codestream. 316 */ 317 OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2, 318 opj_stream_private_t *cio, 319 opj_event_mgr_t * p_manager); 320 321 /** 322 * Reads a jpeg2000 file header structure. 323 * 324 * @param p_stream the stream to read data from. 325 * @param jp2 the jpeg2000 file header structure. 326 * @param p_image FIXME DOC 327 * @param p_manager the user event manager. 328 * 329 * @return true if the box is valid. 330 */ 331 OPJ_BOOL opj_jp2_read_header( opj_stream_private_t *p_stream, 332 opj_jp2_t *jp2, 333 opj_image_t ** p_image, 334 opj_event_mgr_t * p_manager ); 335 336 /** 337 * Reads a tile header. 338 * @param p_jp2 the jpeg2000 codec. 339 * @param p_tile_index FIXME DOC 340 * @param p_data_size FIXME DOC 341 * @param p_tile_x0 FIXME DOC 342 * @param p_tile_y0 FIXME DOC 343 * @param p_tile_x1 FIXME DOC 344 * @param p_tile_y1 FIXME DOC 345 * @param p_nb_comps FIXME DOC 346 * @param p_go_on FIXME DOC 347 * @param p_stream the stream to write data to. 348 * @param p_manager the user event manager. 349 */ 350 OPJ_BOOL opj_jp2_read_tile_header ( opj_jp2_t * p_jp2, 351 OPJ_UINT32 * p_tile_index, 352 OPJ_UINT32 * p_data_size, 353 OPJ_INT32 * p_tile_x0, 354 OPJ_INT32 * p_tile_y0, 355 OPJ_INT32 * p_tile_x1, 356 OPJ_INT32 * p_tile_y1, 357 OPJ_UINT32 * p_nb_comps, 358 OPJ_BOOL * p_go_on, 359 opj_stream_private_t *p_stream, 360 opj_event_mgr_t * p_manager ); 361 362 /** 363 * Writes a tile. 364 * 365 * @param p_jp2 the jpeg2000 codec. 366 * @param p_tile_index FIXME DOC 367 * @param p_data FIXME DOC 368 * @param p_data_size FIXME DOC 369 * @param p_stream the stream to write data to. 370 * @param p_manager the user event manager. 371 */ 372 OPJ_BOOL opj_jp2_write_tile ( opj_jp2_t *p_jp2, 373 OPJ_UINT32 p_tile_index, 374 OPJ_BYTE * p_data, 375 OPJ_UINT32 p_data_size, 376 opj_stream_private_t *p_stream, 377 opj_event_mgr_t * p_manager ); 378 379 /** 380 * Decode tile data. 381 * @param p_jp2 the jpeg2000 codec. 382 * @param p_tile_index FIXME DOC 383 * @param p_data FIXME DOC 384 * @param p_data_size FIXME DOC 385 * @param p_stream the stream to write data to. 386 * @param p_manager the user event manager. 387 * 388 * @return FIXME DOC 389 */ 390 OPJ_BOOL opj_jp2_decode_tile ( opj_jp2_t * p_jp2, 391 OPJ_UINT32 p_tile_index, 392 OPJ_BYTE * p_data, 393 OPJ_UINT32 p_data_size, 394 opj_stream_private_t *p_stream, 395 opj_event_mgr_t * p_manager ); 396 397 /** 398 * Creates a jpeg2000 file decompressor. 399 * 400 * @return an empty jpeg2000 file codec. 401 */ 402 opj_jp2_t* opj_jp2_create (OPJ_BOOL p_is_decoder); 403 404 /** 405 Destroy a JP2 decompressor handle 406 @param jp2 JP2 decompressor handle to destroy 407 */ 408 void opj_jp2_destroy(opj_jp2_t *jp2); 409 410 411 /** 412 * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading. 413 * 414 * @param p_jp2 the jpeg2000 codec. 415 * @param p_image FIXME DOC 416 * @param p_start_x the left position of the rectangle to decode (in image coordinates). 417 * @param p_start_y the up position of the rectangle to decode (in image coordinates). 418 * @param p_end_x the right position of the rectangle to decode (in image coordinates). 419 * @param p_end_y the bottom position of the rectangle to decode (in image coordinates). 420 * @param p_manager the user event manager 421 * 422 * @return true if the area could be set. 423 */ 424 OPJ_BOOL opj_jp2_set_decode_area( opj_jp2_t *p_jp2, 425 opj_image_t* p_image, 426 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, 427 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y, 428 opj_event_mgr_t * p_manager ); 429 430 /** 431 * 432 */ 433 OPJ_BOOL opj_jp2_get_tile( opj_jp2_t *p_jp2, 434 opj_stream_private_t *p_stream, 435 opj_image_t* p_image, 436 opj_event_mgr_t * p_manager, 437 OPJ_UINT32 tile_index ); 438 439 440 /** 441 * 442 */ 443 OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2, 444 OPJ_UINT32 res_factor, 445 opj_event_mgr_t * p_manager); 446 447 448 /* TODO MSD: clean these 3 functions */ 449 /** 450 * Dump some elements from the JP2 decompression structure . 451 * 452 *@param p_jp2 the jp2 codec. 453 *@param flag flag to describe what elments are dump. 454 *@param out_stream output stream where dump the elements. 455 * 456 */ 457 void jp2_dump (opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream); 458 459 /** 460 * Get the codestream info from a JPEG2000 codec. 461 * 462 *@param p_jp2 jp2 codec. 463 * 464 *@return the codestream information extract from the jpg2000 codec 465 */ 466 opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2); 467 468 /** 469 * Get the codestream index from a JPEG2000 codec. 470 * 471 *@param p_jp2 jp2 codec. 472 * 473 *@return the codestream index extract from the jpg2000 codec 474 */ 475 opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2); 476 477 478 /*@}*/ 479 480 /*@}*/ 481 482 #endif /* __JP2_H */ 483 484