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) 2001-2003, David Janssens 10 * Copyright (c) 2002-2003, Yannick Verschueren 11 * Copyright (c) 2003-2007, Francois-Olivier Devaux 12 * Copyright (c) 2003-2014, Antonin Descampe 13 * Copyright (c) 2005, Herve Drolon, FreeImage Team 14 * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes (at) c-s.fr> 15 * Copyright (c) 2006-2007, Parvatha Elangovan 16 * Copyright (c) 2010-2011, Kaori Hagihara 17 * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France 18 * Copyright (c) 2012, CS Systemes d'Information, France 19 * All rights reserved. 20 * 21 * Redistribution and use in source and binary forms, with or without 22 * modification, are permitted provided that the following conditions 23 * are met: 24 * 1. Redistributions of source code must retain the above copyright 25 * notice, this list of conditions and the following disclaimer. 26 * 2. Redistributions in binary form must reproduce the above copyright 27 * notice, this list of conditions and the following disclaimer in the 28 * documentation and/or other materials provided with the distribution. 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' 31 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 33 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 34 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 35 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 36 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 37 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 38 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 39 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 40 * POSSIBILITY OF SUCH DAMAGE. 41 */ 42 43 #include "opj_includes.h" 44 45 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */ 46 /*@{*/ 47 48 /** @name Local static functions */ 49 /*@{*/ 50 51 /** 52 * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures. 53 */ 54 static void opj_j2k_setup_header_reading (opj_j2k_t *p_j2k); 55 56 /** 57 * The read header procedure. 58 */ 59 static OPJ_BOOL opj_j2k_read_header_procedure( opj_j2k_t *p_j2k, 60 opj_stream_private_t *p_stream, 61 opj_event_mgr_t * p_manager); 62 63 /** 64 * The default encoding validation procedure without any extension. 65 * 66 * @param p_j2k the jpeg2000 codec to validate. 67 * @param p_stream the input stream to validate. 68 * @param p_manager the user event manager. 69 * 70 * @return true if the parameters are correct. 71 */ 72 static OPJ_BOOL opj_j2k_encoding_validation ( opj_j2k_t * p_j2k, 73 opj_stream_private_t *p_stream, 74 opj_event_mgr_t * p_manager ); 75 76 /** 77 * The default decoding validation procedure without any extension. 78 * 79 * @param p_j2k the jpeg2000 codec to validate. 80 * @param p_stream the input stream to validate. 81 * @param p_manager the user event manager. 82 * 83 * @return true if the parameters are correct. 84 */ 85 static OPJ_BOOL opj_j2k_decoding_validation ( opj_j2k_t * p_j2k, 86 opj_stream_private_t *p_stream, 87 opj_event_mgr_t * p_manager ); 88 89 /** 90 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters 91 * are valid. Developpers wanting to extend the library can add their own validation procedures. 92 */ 93 static void opj_j2k_setup_encoding_validation (opj_j2k_t *p_j2k); 94 95 /** 96 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters 97 * are valid. Developpers wanting to extend the library can add their own validation procedures. 98 */ 99 static void opj_j2k_setup_decoding_validation (opj_j2k_t *p_j2k); 100 101 /** 102 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters 103 * are valid. Developpers wanting to extend the library can add their own validation procedures. 104 */ 105 static void opj_j2k_setup_end_compress (opj_j2k_t *p_j2k); 106 107 /** 108 * The mct encoding validation procedure. 109 * 110 * @param p_j2k the jpeg2000 codec to validate. 111 * @param p_stream the input stream to validate. 112 * @param p_manager the user event manager. 113 * 114 * @return true if the parameters are correct. 115 */ 116 static OPJ_BOOL opj_j2k_mct_validation (opj_j2k_t * p_j2k, 117 opj_stream_private_t *p_stream, 118 opj_event_mgr_t * p_manager ); 119 120 /** 121 * Builds the tcd decoder to use to decode tile. 122 */ 123 static OPJ_BOOL opj_j2k_build_decoder ( opj_j2k_t * p_j2k, 124 opj_stream_private_t *p_stream, 125 opj_event_mgr_t * p_manager ); 126 /** 127 * Builds the tcd encoder to use to encode tile. 128 */ 129 static OPJ_BOOL opj_j2k_build_encoder ( opj_j2k_t * p_j2k, 130 opj_stream_private_t *p_stream, 131 opj_event_mgr_t * p_manager ); 132 133 /** 134 * Creates a tile-coder decoder. 135 * 136 * @param p_stream the stream to write data to. 137 * @param p_j2k J2K codec. 138 * @param p_manager the user event manager. 139 */ 140 static OPJ_BOOL opj_j2k_create_tcd( opj_j2k_t *p_j2k, 141 opj_stream_private_t *p_stream, 142 opj_event_mgr_t * p_manager ); 143 144 /** 145 * Excutes the given procedures on the given codec. 146 * 147 * @param p_procedure_list the list of procedures to execute 148 * @param p_j2k the jpeg2000 codec to execute the procedures on. 149 * @param p_stream the stream to execute the procedures on. 150 * @param p_manager the user manager. 151 * 152 * @return true if all the procedures were successfully executed. 153 */ 154 static OPJ_BOOL opj_j2k_exec ( opj_j2k_t * p_j2k, 155 opj_procedure_list_t * p_procedure_list, 156 opj_stream_private_t *p_stream, 157 opj_event_mgr_t * p_manager); 158 159 /** 160 * Updates the rates of the tcp. 161 * 162 * @param p_stream the stream to write data to. 163 * @param p_j2k J2K codec. 164 * @param p_manager the user event manager. 165 */ 166 static OPJ_BOOL opj_j2k_update_rates( opj_j2k_t *p_j2k, 167 opj_stream_private_t *p_stream, 168 opj_event_mgr_t * p_manager ); 169 170 /** 171 * Copies the decoding tile parameters onto all the tile parameters. 172 * Creates also the tile decoder. 173 */ 174 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd ( opj_j2k_t * p_j2k, 175 opj_stream_private_t *p_stream, 176 opj_event_mgr_t * p_manager ); 177 178 /** 179 * Destroys the memory associated with the decoding of headers. 180 */ 181 static OPJ_BOOL opj_j2k_destroy_header_memory ( opj_j2k_t * p_j2k, 182 opj_stream_private_t *p_stream, 183 opj_event_mgr_t * p_manager ); 184 185 /** 186 * Reads the lookup table containing all the marker, status and action, and returns the handler associated 187 * with the marker value. 188 * @param p_id Marker value to look up 189 * 190 * @return the handler associated with the id. 191 */ 192 static const struct opj_dec_memory_marker_handler * opj_j2k_get_marker_handler (OPJ_UINT32 p_id); 193 194 /** 195 * Destroys a tile coding parameter structure. 196 * 197 * @param p_tcp the tile coding parameter to destroy. 198 */ 199 static void opj_j2k_tcp_destroy (opj_tcp_t *p_tcp); 200 201 /** 202 * Destroys the data inside a tile coding parameter structure. 203 * 204 * @param p_tcp the tile coding parameter which contain data to destroy. 205 */ 206 static void opj_j2k_tcp_data_destroy (opj_tcp_t *p_tcp); 207 208 /** 209 * Destroys a coding parameter structure. 210 * 211 * @param p_cp the coding parameter to destroy. 212 */ 213 static void opj_j2k_cp_destroy (opj_cp_t *p_cp); 214 215 /** 216 * Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile. 217 * 218 * @param p_j2k J2K codec. 219 * @param p_tile_no FIXME DOC 220 * @param p_comp_no the component number to output. 221 * @param p_data FIXME DOC 222 * @param p_header_size FIXME DOC 223 * @param p_manager the user event manager. 224 * 225 * @return FIXME DOC 226 */ 227 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc( opj_j2k_t *p_j2k, 228 OPJ_UINT32 p_tile_no, 229 OPJ_UINT32 p_comp_no, 230 OPJ_BYTE * p_data, 231 OPJ_UINT32 * p_header_size, 232 opj_event_mgr_t * p_manager ); 233 234 /** 235 * Gets the size taken by writing a SPCod or SPCoc for the given tile and component. 236 * 237 * @param p_j2k the J2K codec. 238 * @param p_tile_no the tile index. 239 * @param p_comp_no the component being outputted. 240 * 241 * @return the number of bytes taken by the SPCod element. 242 */ 243 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size (opj_j2k_t *p_j2k, 244 OPJ_UINT32 p_tile_no, 245 OPJ_UINT32 p_comp_no ); 246 247 /** 248 * Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile. 249 * @param p_j2k the jpeg2000 codec. 250 * @param compno FIXME DOC 251 * @param p_header_data the data contained in the COM box. 252 * @param p_header_size the size of the data contained in the COM marker. 253 * @param p_manager the user event manager. 254 */ 255 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc( opj_j2k_t *p_j2k, 256 OPJ_UINT32 compno, 257 OPJ_BYTE * p_header_data, 258 OPJ_UINT32 * p_header_size, 259 opj_event_mgr_t * p_manager ); 260 261 /** 262 * Gets the size taken by writing SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC. 263 * 264 * @param p_tile_no the tile index. 265 * @param p_comp_no the component being outputted. 266 * @param p_j2k the J2K codec. 267 * 268 * @return the number of bytes taken by the SPCod element. 269 */ 270 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size ( opj_j2k_t *p_j2k, 271 OPJ_UINT32 p_tile_no, 272 OPJ_UINT32 p_comp_no ); 273 274 /** 275 * Writes a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC. 276 * 277 * @param p_tile_no the tile to output. 278 * @param p_comp_no the component number to output. 279 * @param p_data the data buffer. 280 * @param p_header_size pointer to the size of the data buffer, it is changed by the function. 281 * @param p_j2k J2K codec. 282 * @param p_manager the user event manager. 283 * 284 */ 285 static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k, 286 OPJ_UINT32 p_tile_no, 287 OPJ_UINT32 p_comp_no, 288 OPJ_BYTE * p_data, 289 OPJ_UINT32 * p_header_size, 290 opj_event_mgr_t * p_manager); 291 292 /** 293 * Updates the Tile Length Marker. 294 */ 295 static void opj_j2k_update_tlm ( opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size); 296 297 /** 298 * Reads a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC. 299 * 300 * @param p_j2k J2K codec. 301 * @param compno the component number to output. 302 * @param p_header_data the data buffer. 303 * @param p_header_size pointer to the size of the data buffer, it is changed by the function. 304 * @param p_manager the user event manager. 305 * 306 */ 307 static OPJ_BOOL opj_j2k_read_SQcd_SQcc( opj_j2k_t *p_j2k, 308 OPJ_UINT32 compno, 309 OPJ_BYTE * p_header_data, 310 OPJ_UINT32 * p_header_size, 311 opj_event_mgr_t * p_manager ); 312 313 /** 314 * Copies the tile component parameters of all the component from the first tile component. 315 * 316 * @param p_j2k the J2k codec. 317 */ 318 static void opj_j2k_copy_tile_component_parameters( opj_j2k_t *p_j2k ); 319 320 /** 321 * Copies the tile quantization parameters of all the component from the first tile component. 322 * 323 * @param p_j2k the J2k codec. 324 */ 325 static void opj_j2k_copy_tile_quantization_parameters( opj_j2k_t *p_j2k ); 326 327 /** 328 * Reads the tiles. 329 */ 330 static OPJ_BOOL opj_j2k_decode_tiles ( opj_j2k_t *p_j2k, 331 opj_stream_private_t *p_stream, 332 opj_event_mgr_t * p_manager); 333 334 static OPJ_BOOL opj_j2k_pre_write_tile ( opj_j2k_t * p_j2k, 335 OPJ_UINT32 p_tile_index, 336 opj_stream_private_t *p_stream, 337 opj_event_mgr_t * p_manager ); 338 339 static OPJ_BOOL opj_j2k_update_image_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data, opj_image_t* p_output_image); 340 341 static void opj_get_tile_dimensions(opj_image_t * l_image, 342 opj_tcd_tilecomp_t * l_tilec, 343 opj_image_comp_t * l_img_comp, 344 OPJ_UINT32* l_size_comp, 345 OPJ_UINT32* l_width, 346 OPJ_UINT32* l_height, 347 OPJ_UINT32* l_offset_x, 348 OPJ_UINT32* l_offset_y, 349 OPJ_UINT32* l_image_width, 350 OPJ_UINT32* l_stride, 351 OPJ_UINT32* l_tile_offset); 352 353 static void opj_j2k_get_tile_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data); 354 355 static OPJ_BOOL opj_j2k_post_write_tile (opj_j2k_t * p_j2k, 356 opj_stream_private_t *p_stream, 357 opj_event_mgr_t * p_manager ); 358 359 /** 360 * Sets up the procedures to do on writing header. 361 * Developers wanting to extend the library can add their own writing procedures. 362 */ 363 static void opj_j2k_setup_header_writing (opj_j2k_t *p_j2k); 364 365 static OPJ_BOOL opj_j2k_write_first_tile_part( opj_j2k_t *p_j2k, 366 OPJ_BYTE * p_data, 367 OPJ_UINT32 * p_data_written, 368 OPJ_UINT32 p_total_data_size, 369 opj_stream_private_t *p_stream, 370 struct opj_event_mgr * p_manager ); 371 372 static OPJ_BOOL opj_j2k_write_all_tile_parts( opj_j2k_t *p_j2k, 373 OPJ_BYTE * p_data, 374 OPJ_UINT32 * p_data_written, 375 OPJ_UINT32 p_total_data_size, 376 opj_stream_private_t *p_stream, 377 struct opj_event_mgr * p_manager ); 378 379 /** 380 * Gets the offset of the header. 381 * 382 * @param p_stream the stream to write data to. 383 * @param p_j2k J2K codec. 384 * @param p_manager the user event manager. 385 */ 386 static OPJ_BOOL opj_j2k_get_end_header( opj_j2k_t *p_j2k, 387 opj_stream_private_t *p_stream, 388 opj_event_mgr_t * p_manager ); 389 390 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k); 391 392 /* 393 * ----------------------------------------------------------------------- 394 * ----------------------------------------------------------------------- 395 * ----------------------------------------------------------------------- 396 */ 397 398 /** 399 * Writes the SOC marker (Start Of Codestream) 400 * 401 * @param p_stream the stream to write data to. 402 * @param p_j2k J2K codec. 403 * @param p_manager the user event manager. 404 */ 405 static OPJ_BOOL opj_j2k_write_soc( opj_j2k_t *p_j2k, 406 opj_stream_private_t *p_stream, 407 opj_event_mgr_t * p_manager ); 408 409 /** 410 * Reads a SOC marker (Start of Codestream) 411 * @param p_j2k the jpeg2000 file codec. 412 * @param p_stream XXX needs data 413 * @param p_manager the user event manager. 414 */ 415 static OPJ_BOOL opj_j2k_read_soc( opj_j2k_t *p_j2k, 416 opj_stream_private_t *p_stream, 417 opj_event_mgr_t * p_manager ); 418 419 /** 420 * Writes the SIZ marker (image and tile size) 421 * 422 * @param p_j2k J2K codec. 423 * @param p_stream the stream to write data to. 424 * @param p_manager the user event manager. 425 */ 426 static OPJ_BOOL opj_j2k_write_siz( opj_j2k_t *p_j2k, 427 opj_stream_private_t *p_stream, 428 opj_event_mgr_t * p_manager ); 429 430 /** 431 * Reads a SIZ marker (image and tile size) 432 * @param p_j2k the jpeg2000 file codec. 433 * @param p_header_data the data contained in the SIZ box. 434 * @param p_header_size the size of the data contained in the SIZ marker. 435 * @param p_manager the user event manager. 436 */ 437 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k, 438 OPJ_BYTE * p_header_data, 439 OPJ_UINT32 p_header_size, 440 opj_event_mgr_t * p_manager); 441 442 /** 443 * Writes the COM marker (comment) 444 * 445 * @param p_stream the stream to write data to. 446 * @param p_j2k J2K codec. 447 * @param p_manager the user event manager. 448 */ 449 static OPJ_BOOL opj_j2k_write_com( opj_j2k_t *p_j2k, 450 opj_stream_private_t *p_stream, 451 opj_event_mgr_t * p_manager ); 452 453 /** 454 * Reads a COM marker (comments) 455 * @param p_j2k the jpeg2000 file codec. 456 * @param p_header_data the data contained in the COM box. 457 * @param p_header_size the size of the data contained in the COM marker. 458 * @param p_manager the user event manager. 459 */ 460 static OPJ_BOOL opj_j2k_read_com ( opj_j2k_t *p_j2k, 461 OPJ_BYTE * p_header_data, 462 OPJ_UINT32 p_header_size, 463 opj_event_mgr_t * p_manager ); 464 /** 465 * Writes the COD marker (Coding style default) 466 * 467 * @param p_stream the stream to write data to. 468 * @param p_j2k J2K codec. 469 * @param p_manager the user event manager. 470 */ 471 static OPJ_BOOL opj_j2k_write_cod( opj_j2k_t *p_j2k, 472 opj_stream_private_t *p_stream, 473 opj_event_mgr_t * p_manager ); 474 475 /** 476 * Reads a COD marker (Coding Styke defaults) 477 * @param p_header_data the data contained in the COD box. 478 * @param p_j2k the jpeg2000 codec. 479 * @param p_header_size the size of the data contained in the COD marker. 480 * @param p_manager the user event manager. 481 */ 482 static OPJ_BOOL opj_j2k_read_cod ( opj_j2k_t *p_j2k, 483 OPJ_BYTE * p_header_data, 484 OPJ_UINT32 p_header_size, 485 opj_event_mgr_t * p_manager); 486 487 #if 0 488 /** 489 * Writes the COC marker (Coding style component) 490 * 491 * @param p_j2k J2K codec. 492 * @param p_comp_no the index of the component to output. 493 * @param p_stream the stream to write data to. 494 * @param p_manager the user event manager. 495 */ 496 static OPJ_BOOL opj_j2k_write_coc( opj_j2k_t *p_j2k, 497 OPJ_UINT32 p_comp_no, 498 opj_stream_private_t *p_stream, 499 opj_event_mgr_t * p_manager ); 500 #endif 501 502 #if 0 503 /** 504 * Writes the COC marker (Coding style component) 505 * 506 * @param p_j2k J2K codec. 507 * @param p_comp_no the index of the component to output. 508 * @param p_data FIXME DOC 509 * @param p_data_written FIXME DOC 510 * @param p_manager the user event manager. 511 */ 512 static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k, 513 OPJ_UINT32 p_comp_no, 514 OPJ_BYTE * p_data, 515 OPJ_UINT32 * p_data_written, 516 opj_event_mgr_t * p_manager ); 517 #endif 518 519 /** 520 * Gets the maximum size taken by a coc. 521 * 522 * @param p_j2k the jpeg2000 codec to use. 523 */ 524 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k); 525 526 /** 527 * Reads a COC marker (Coding Style Component) 528 * @param p_header_data the data contained in the COC box. 529 * @param p_j2k the jpeg2000 codec. 530 * @param p_header_size the size of the data contained in the COC marker. 531 * @param p_manager the user event manager. 532 */ 533 static OPJ_BOOL opj_j2k_read_coc ( opj_j2k_t *p_j2k, 534 OPJ_BYTE * p_header_data, 535 OPJ_UINT32 p_header_size, 536 opj_event_mgr_t * p_manager ); 537 538 /** 539 * Writes the QCD marker (quantization default) 540 * 541 * @param p_j2k J2K codec. 542 * @param p_stream the stream to write data to. 543 * @param p_manager the user event manager. 544 */ 545 static OPJ_BOOL opj_j2k_write_qcd( opj_j2k_t *p_j2k, 546 opj_stream_private_t *p_stream, 547 opj_event_mgr_t * p_manager ); 548 549 /** 550 * Reads a QCD marker (Quantization defaults) 551 * @param p_header_data the data contained in the QCD box. 552 * @param p_j2k the jpeg2000 codec. 553 * @param p_header_size the size of the data contained in the QCD marker. 554 * @param p_manager the user event manager. 555 */ 556 static OPJ_BOOL opj_j2k_read_qcd ( opj_j2k_t *p_j2k, 557 OPJ_BYTE * p_header_data, 558 OPJ_UINT32 p_header_size, 559 opj_event_mgr_t * p_manager ); 560 #if 0 561 /** 562 * Writes the QCC marker (quantization component) 563 * 564 * @param p_comp_no the index of the component to output. 565 * @param p_stream the stream to write data to. 566 * @param p_j2k J2K codec. 567 * @param p_manager the user event manager. 568 */ 569 static OPJ_BOOL opj_j2k_write_qcc( opj_j2k_t *p_j2k, 570 OPJ_UINT32 p_comp_no, 571 opj_stream_private_t *p_stream, 572 opj_event_mgr_t * p_manager ); 573 #endif 574 575 #if 0 576 /** 577 * Writes the QCC marker (quantization component) 578 * 579 * @param p_j2k J2K codec. 580 * @param p_comp_no the index of the component to output. 581 * @param p_data FIXME DOC 582 * @param p_data_written the stream to write data to. 583 * @param p_manager the user event manager. 584 */ 585 static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k, 586 OPJ_UINT32 p_comp_no, 587 OPJ_BYTE * p_data, 588 OPJ_UINT32 * p_data_written, 589 opj_event_mgr_t * p_manager ); 590 #endif 591 592 /** 593 * Gets the maximum size taken by a qcc. 594 */ 595 static OPJ_UINT32 opj_j2k_get_max_qcc_size (opj_j2k_t *p_j2k); 596 597 /** 598 * Reads a QCC marker (Quantization component) 599 * @param p_header_data the data contained in the QCC box. 600 * @param p_j2k the jpeg2000 codec. 601 * @param p_header_size the size of the data contained in the QCC marker. 602 * @param p_manager the user event manager. 603 */ 604 static OPJ_BOOL opj_j2k_read_qcc( opj_j2k_t *p_j2k, 605 OPJ_BYTE * p_header_data, 606 OPJ_UINT32 p_header_size, 607 opj_event_mgr_t * p_manager); 608 /** 609 * Writes the POC marker (Progression Order Change) 610 * 611 * @param p_stream the stream to write data to. 612 * @param p_j2k J2K codec. 613 * @param p_manager the user event manager. 614 */ 615 static OPJ_BOOL opj_j2k_write_poc( opj_j2k_t *p_j2k, 616 opj_stream_private_t *p_stream, 617 opj_event_mgr_t * p_manager ); 618 /** 619 * Writes the POC marker (Progression Order Change) 620 * 621 * @param p_j2k J2K codec. 622 * @param p_data FIXME DOC 623 * @param p_data_written the stream to write data to. 624 * @param p_manager the user event manager. 625 */ 626 static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k, 627 OPJ_BYTE * p_data, 628 OPJ_UINT32 * p_data_written, 629 opj_event_mgr_t * p_manager ); 630 /** 631 * Gets the maximum size taken by the writing of a POC. 632 */ 633 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k); 634 635 /** 636 * Reads a POC marker (Progression Order Change) 637 * 638 * @param p_header_data the data contained in the POC box. 639 * @param p_j2k the jpeg2000 codec. 640 * @param p_header_size the size of the data contained in the POC marker. 641 * @param p_manager the user event manager. 642 */ 643 static OPJ_BOOL opj_j2k_read_poc ( opj_j2k_t *p_j2k, 644 OPJ_BYTE * p_header_data, 645 OPJ_UINT32 p_header_size, 646 opj_event_mgr_t * p_manager ); 647 648 /** 649 * Gets the maximum size taken by the toc headers of all the tile parts of any given tile. 650 */ 651 static OPJ_UINT32 opj_j2k_get_max_toc_size (opj_j2k_t *p_j2k); 652 653 /** 654 * Gets the maximum size taken by the headers of the SOT. 655 * 656 * @param p_j2k the jpeg2000 codec to use. 657 */ 658 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k); 659 660 /** 661 * Reads a CRG marker (Component registration) 662 * 663 * @param p_header_data the data contained in the TLM box. 664 * @param p_j2k the jpeg2000 codec. 665 * @param p_header_size the size of the data contained in the TLM marker. 666 * @param p_manager the user event manager. 667 */ 668 static OPJ_BOOL opj_j2k_read_crg ( opj_j2k_t *p_j2k, 669 OPJ_BYTE * p_header_data, 670 OPJ_UINT32 p_header_size, 671 opj_event_mgr_t * p_manager ); 672 /** 673 * Reads a TLM marker (Tile Length Marker) 674 * 675 * @param p_header_data the data contained in the TLM box. 676 * @param p_j2k the jpeg2000 codec. 677 * @param p_header_size the size of the data contained in the TLM marker. 678 * @param p_manager the user event manager. 679 */ 680 static OPJ_BOOL opj_j2k_read_tlm ( opj_j2k_t *p_j2k, 681 OPJ_BYTE * p_header_data, 682 OPJ_UINT32 p_header_size, 683 opj_event_mgr_t * p_manager); 684 685 /** 686 * Writes the updated tlm. 687 * 688 * @param p_stream the stream to write data to. 689 * @param p_j2k J2K codec. 690 * @param p_manager the user event manager. 691 */ 692 static OPJ_BOOL opj_j2k_write_updated_tlm( opj_j2k_t *p_j2k, 693 opj_stream_private_t *p_stream, 694 opj_event_mgr_t * p_manager ); 695 696 /** 697 * Reads a PLM marker (Packet length, main header marker) 698 * 699 * @param p_header_data the data contained in the TLM box. 700 * @param p_j2k the jpeg2000 codec. 701 * @param p_header_size the size of the data contained in the TLM marker. 702 * @param p_manager the user event manager. 703 */ 704 static OPJ_BOOL opj_j2k_read_plm ( opj_j2k_t *p_j2k, 705 OPJ_BYTE * p_header_data, 706 OPJ_UINT32 p_header_size, 707 opj_event_mgr_t * p_manager); 708 /** 709 * Reads a PLT marker (Packet length, tile-part header) 710 * 711 * @param p_header_data the data contained in the PLT box. 712 * @param p_j2k the jpeg2000 codec. 713 * @param p_header_size the size of the data contained in the PLT marker. 714 * @param p_manager the user event manager. 715 */ 716 static OPJ_BOOL opj_j2k_read_plt ( opj_j2k_t *p_j2k, 717 OPJ_BYTE * p_header_data, 718 OPJ_UINT32 p_header_size, 719 opj_event_mgr_t * p_manager ); 720 721 #if 0 722 /** 723 * Reads a PPM marker (Packed packet headers, main header) 724 * 725 * @param p_header_data the data contained in the POC box. 726 * @param p_j2k the jpeg2000 codec. 727 * @param p_header_size the size of the data contained in the POC marker. 728 * @param p_manager the user event manager. 729 */ 730 static OPJ_BOOL j2k_read_ppm_v2 ( 731 opj_j2k_t *p_j2k, 732 OPJ_BYTE * p_header_data, 733 OPJ_UINT32 p_header_size, 734 struct opj_event_mgr * p_manager 735 ); 736 #endif 737 738 static OPJ_BOOL j2k_read_ppm_v3 ( 739 opj_j2k_t *p_j2k, 740 OPJ_BYTE * p_header_data, 741 OPJ_UINT32 p_header_size, 742 opj_event_mgr_t * p_manager ); 743 744 /** 745 * Reads a PPT marker (Packed packet headers, tile-part header) 746 * 747 * @param p_header_data the data contained in the PPT box. 748 * @param p_j2k the jpeg2000 codec. 749 * @param p_header_size the size of the data contained in the PPT marker. 750 * @param p_manager the user event manager. 751 */ 752 static OPJ_BOOL opj_j2k_read_ppt ( opj_j2k_t *p_j2k, 753 OPJ_BYTE * p_header_data, 754 OPJ_UINT32 p_header_size, 755 opj_event_mgr_t * p_manager ); 756 /** 757 * Writes the TLM marker (Tile Length Marker) 758 * 759 * @param p_stream the stream to write data to. 760 * @param p_j2k J2K codec. 761 * @param p_manager the user event manager. 762 */ 763 static OPJ_BOOL opj_j2k_write_tlm( opj_j2k_t *p_j2k, 764 opj_stream_private_t *p_stream, 765 opj_event_mgr_t * p_manager ); 766 767 /** 768 * Writes the SOT marker (Start of tile-part) 769 * 770 * @param p_j2k J2K codec. 771 * @param p_data FIXME DOC 772 * @param p_data_written FIXME DOC 773 * @param p_stream the stream to write data to. 774 * @param p_manager the user event manager. 775 */ 776 static OPJ_BOOL opj_j2k_write_sot( opj_j2k_t *p_j2k, 777 OPJ_BYTE * p_data, 778 OPJ_UINT32 * p_data_written, 779 const opj_stream_private_t *p_stream, 780 opj_event_mgr_t * p_manager ); 781 782 /** 783 * Reads a PPT marker (Packed packet headers, tile-part header) 784 * 785 * @param p_header_data the data contained in the PPT box. 786 * @param p_j2k the jpeg2000 codec. 787 * @param p_header_size the size of the data contained in the PPT marker. 788 * @param p_manager the user event manager. 789 */ 790 static OPJ_BOOL opj_j2k_read_sot ( opj_j2k_t *p_j2k, 791 OPJ_BYTE * p_header_data, 792 OPJ_UINT32 p_header_size, 793 opj_event_mgr_t * p_manager ); 794 /** 795 * Writes the SOD marker (Start of data) 796 * 797 * @param p_j2k J2K codec. 798 * @param p_tile_coder FIXME DOC 799 * @param p_data FIXME DOC 800 * @param p_data_written FIXME DOC 801 * @param p_total_data_size FIXME DOC 802 * @param p_stream the stream to write data to. 803 * @param p_manager the user event manager. 804 */ 805 static OPJ_BOOL opj_j2k_write_sod( opj_j2k_t *p_j2k, 806 opj_tcd_t * p_tile_coder, 807 OPJ_BYTE * p_data, 808 OPJ_UINT32 * p_data_written, 809 OPJ_UINT32 p_total_data_size, 810 const opj_stream_private_t *p_stream, 811 opj_event_mgr_t * p_manager ); 812 813 /** 814 * Reads a SOD marker (Start Of Data) 815 * 816 * @param p_j2k the jpeg2000 codec. 817 * @param p_stream FIXME DOC 818 * @param p_manager the user event manager. 819 */ 820 static OPJ_BOOL opj_j2k_read_sod( opj_j2k_t *p_j2k, 821 opj_stream_private_t *p_stream, 822 opj_event_mgr_t * p_manager ); 823 824 void opj_j2k_update_tlm (opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size ) 825 { 826 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,p_j2k->m_current_tile_number,1); /* PSOT */ 827 ++p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current; 828 829 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,p_tile_part_size,4); /* PSOT */ 830 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4; 831 } 832 833 /** 834 * Writes the RGN marker (Region Of Interest) 835 * 836 * @param p_tile_no the tile to output 837 * @param p_comp_no the component to output 838 * @param nb_comps the number of components 839 * @param p_stream the stream to write data to. 840 * @param p_j2k J2K codec. 841 * @param p_manager the user event manager. 842 */ 843 static OPJ_BOOL opj_j2k_write_rgn( opj_j2k_t *p_j2k, 844 OPJ_UINT32 p_tile_no, 845 OPJ_UINT32 p_comp_no, 846 OPJ_UINT32 nb_comps, 847 opj_stream_private_t *p_stream, 848 opj_event_mgr_t * p_manager ); 849 850 /** 851 * Reads a RGN marker (Region Of Interest) 852 * 853 * @param p_header_data the data contained in the POC box. 854 * @param p_j2k the jpeg2000 codec. 855 * @param p_header_size the size of the data contained in the POC marker. 856 * @param p_manager the user event manager. 857 */ 858 static OPJ_BOOL opj_j2k_read_rgn (opj_j2k_t *p_j2k, 859 OPJ_BYTE * p_header_data, 860 OPJ_UINT32 p_header_size, 861 opj_event_mgr_t * p_manager ); 862 863 /** 864 * Writes the EOC marker (End of Codestream) 865 * 866 * @param p_stream the stream to write data to. 867 * @param p_j2k J2K codec. 868 * @param p_manager the user event manager. 869 */ 870 static OPJ_BOOL opj_j2k_write_eoc( opj_j2k_t *p_j2k, 871 opj_stream_private_t *p_stream, 872 opj_event_mgr_t * p_manager ); 873 874 #if 0 875 /** 876 * Reads a EOC marker (End Of Codestream) 877 * 878 * @param p_j2k the jpeg2000 codec. 879 * @param p_stream FIXME DOC 880 * @param p_manager the user event manager. 881 */ 882 static OPJ_BOOL opj_j2k_read_eoc ( opj_j2k_t *p_j2k, 883 opj_stream_private_t *p_stream, 884 opj_event_mgr_t * p_manager ); 885 #endif 886 887 /** 888 * Writes the CBD-MCT-MCC-MCO markers (Multi components transform) 889 * 890 * @param p_stream the stream to write data to. 891 * @param p_j2k J2K codec. 892 * @param p_manager the user event manager. 893 */ 894 static OPJ_BOOL opj_j2k_write_mct_data_group( opj_j2k_t *p_j2k, 895 opj_stream_private_t *p_stream, 896 opj_event_mgr_t * p_manager ); 897 898 /** 899 * Inits the Info 900 * 901 * @param p_stream the stream to write data to. 902 * @param p_j2k J2K codec. 903 * @param p_manager the user event manager. 904 */ 905 static OPJ_BOOL opj_j2k_init_info( opj_j2k_t *p_j2k, 906 opj_stream_private_t *p_stream, 907 opj_event_mgr_t * p_manager ); 908 909 /** 910 Add main header marker information 911 @param cstr_index Codestream information structure 912 @param type marker type 913 @param pos byte offset of marker segment 914 @param len length of marker segment 915 */ 916 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) ; 917 /** 918 Add tile header marker information 919 @param tileno tile index number 920 @param cstr_index Codestream information structure 921 @param type marker type 922 @param pos byte offset of marker segment 923 @param len length of marker segment 924 */ 925 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno, opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len); 926 927 /** 928 * Reads an unknown marker 929 * 930 * @param p_j2k the jpeg2000 codec. 931 * @param p_stream the stream object to read from. 932 * @param output_marker FIXME DOC 933 * @param p_manager the user event manager. 934 * 935 * @return true if the marker could be deduced. 936 */ 937 static OPJ_BOOL opj_j2k_read_unk( opj_j2k_t *p_j2k, 938 opj_stream_private_t *p_stream, 939 OPJ_UINT32 *output_marker, 940 opj_event_mgr_t * p_manager ); 941 942 /** 943 * Writes the MCT marker (Multiple Component Transform) 944 * 945 * @param p_j2k J2K codec. 946 * @param p_mct_record FIXME DOC 947 * @param p_stream the stream to write data to. 948 * @param p_manager the user event manager. 949 */ 950 static OPJ_BOOL opj_j2k_write_mct_record( opj_j2k_t *p_j2k, 951 opj_mct_data_t * p_mct_record, 952 opj_stream_private_t *p_stream, 953 opj_event_mgr_t * p_manager ); 954 955 /** 956 * Reads a MCT marker (Multiple Component Transform) 957 * 958 * @param p_header_data the data contained in the MCT box. 959 * @param p_j2k the jpeg2000 codec. 960 * @param p_header_size the size of the data contained in the MCT marker. 961 * @param p_manager the user event manager. 962 */ 963 static OPJ_BOOL opj_j2k_read_mct ( opj_j2k_t *p_j2k, 964 OPJ_BYTE * p_header_data, 965 OPJ_UINT32 p_header_size, 966 opj_event_mgr_t * p_manager ); 967 968 /** 969 * Writes the MCC marker (Multiple Component Collection) 970 * 971 * @param p_j2k J2K codec. 972 * @param p_mcc_record FIXME DOC 973 * @param p_stream the stream to write data to. 974 * @param p_manager the user event manager. 975 */ 976 static OPJ_BOOL opj_j2k_write_mcc_record( opj_j2k_t *p_j2k, 977 opj_simple_mcc_decorrelation_data_t * p_mcc_record, 978 opj_stream_private_t *p_stream, 979 opj_event_mgr_t * p_manager ); 980 981 /** 982 * Reads a MCC marker (Multiple Component Collection) 983 * 984 * @param p_header_data the data contained in the MCC box. 985 * @param p_j2k the jpeg2000 codec. 986 * @param p_header_size the size of the data contained in the MCC marker. 987 * @param p_manager the user event manager. 988 */ 989 static OPJ_BOOL opj_j2k_read_mcc ( opj_j2k_t *p_j2k, 990 OPJ_BYTE * p_header_data, 991 OPJ_UINT32 p_header_size, 992 opj_event_mgr_t * p_manager ); 993 994 /** 995 * Writes the MCO marker (Multiple component transformation ordering) 996 * 997 * @param p_stream the stream to write data to. 998 * @param p_j2k J2K codec. 999 * @param p_manager the user event manager. 1000 */ 1001 static OPJ_BOOL opj_j2k_write_mco( opj_j2k_t *p_j2k, 1002 opj_stream_private_t *p_stream, 1003 opj_event_mgr_t * p_manager ); 1004 1005 /** 1006 * Reads a MCO marker (Multiple Component Transform Ordering) 1007 * 1008 * @param p_header_data the data contained in the MCO box. 1009 * @param p_j2k the jpeg2000 codec. 1010 * @param p_header_size the size of the data contained in the MCO marker. 1011 * @param p_manager the user event manager. 1012 */ 1013 static OPJ_BOOL opj_j2k_read_mco ( opj_j2k_t *p_j2k, 1014 OPJ_BYTE * p_header_data, 1015 OPJ_UINT32 p_header_size, 1016 opj_event_mgr_t * p_manager ); 1017 1018 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image, OPJ_UINT32 p_index); 1019 1020 static void opj_j2k_read_int16_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1021 static void opj_j2k_read_int32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1022 static void opj_j2k_read_float32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1023 static void opj_j2k_read_float64_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1024 1025 static void opj_j2k_read_int16_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1026 static void opj_j2k_read_int32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1027 static void opj_j2k_read_float32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1028 static void opj_j2k_read_float64_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1029 1030 static void opj_j2k_write_float_to_int16 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1031 static void opj_j2k_write_float_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1032 static void opj_j2k_write_float_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1033 static void opj_j2k_write_float_to_float64 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1034 1035 /** 1036 * Ends the encoding, i.e. frees memory. 1037 * 1038 * @param p_stream the stream to write data to. 1039 * @param p_j2k J2K codec. 1040 * @param p_manager the user event manager. 1041 */ 1042 static OPJ_BOOL opj_j2k_end_encoding( opj_j2k_t *p_j2k, 1043 opj_stream_private_t *p_stream, 1044 opj_event_mgr_t * p_manager ); 1045 1046 /** 1047 * Writes the CBD marker (Component bit depth definition) 1048 * 1049 * @param p_stream the stream to write data to. 1050 * @param p_j2k J2K codec. 1051 * @param p_manager the user event manager. 1052 */ 1053 static OPJ_BOOL opj_j2k_write_cbd( opj_j2k_t *p_j2k, 1054 opj_stream_private_t *p_stream, 1055 opj_event_mgr_t * p_manager ); 1056 1057 /** 1058 * Reads a CBD marker (Component bit depth definition) 1059 * @param p_header_data the data contained in the CBD box. 1060 * @param p_j2k the jpeg2000 codec. 1061 * @param p_header_size the size of the data contained in the CBD marker. 1062 * @param p_manager the user event manager. 1063 */ 1064 static OPJ_BOOL opj_j2k_read_cbd ( opj_j2k_t *p_j2k, 1065 OPJ_BYTE * p_header_data, 1066 OPJ_UINT32 p_header_size, 1067 opj_event_mgr_t * p_manager); 1068 1069 #if 0 1070 /** 1071 * Writes COC marker for each component. 1072 * 1073 * @param p_stream the stream to write data to. 1074 * @param p_j2k J2K codec. 1075 * @param p_manager the user event manager. 1076 */ 1077 static OPJ_BOOL opj_j2k_write_all_coc( opj_j2k_t *p_j2k, 1078 opj_stream_private_t *p_stream, 1079 opj_event_mgr_t * p_manager ); 1080 #endif 1081 1082 #if 0 1083 /** 1084 * Writes QCC marker for each component. 1085 * 1086 * @param p_stream the stream to write data to. 1087 * @param p_j2k J2K codec. 1088 * @param p_manager the user event manager. 1089 */ 1090 static OPJ_BOOL opj_j2k_write_all_qcc( opj_j2k_t *p_j2k, 1091 opj_stream_private_t *p_stream, 1092 opj_event_mgr_t * p_manager ); 1093 #endif 1094 1095 /** 1096 * Writes regions of interests. 1097 * 1098 * @param p_stream the stream to write data to. 1099 * @param p_j2k J2K codec. 1100 * @param p_manager the user event manager. 1101 */ 1102 static OPJ_BOOL opj_j2k_write_regions( opj_j2k_t *p_j2k, 1103 opj_stream_private_t *p_stream, 1104 opj_event_mgr_t * p_manager ); 1105 1106 /** 1107 * Writes EPC ???? 1108 * 1109 * @param p_stream the stream to write data to. 1110 * @param p_j2k J2K codec. 1111 * @param p_manager the user event manager. 1112 */ 1113 static OPJ_BOOL opj_j2k_write_epc( opj_j2k_t *p_j2k, 1114 opj_stream_private_t *p_stream, 1115 opj_event_mgr_t * p_manager ); 1116 1117 /** 1118 * Checks the progression order changes values. Tells of the poc given as input are valid. 1119 * A nice message is outputted at errors. 1120 * 1121 * @param p_pocs the progression order changes. 1122 * @param p_nb_pocs the number of progression order changes. 1123 * @param p_nb_resolutions the number of resolutions. 1124 * @param numcomps the number of components 1125 * @param numlayers the number of layers. 1126 * @param p_manager the user event manager. 1127 * 1128 * @return true if the pocs are valid. 1129 */ 1130 static OPJ_BOOL opj_j2k_check_poc_val( const opj_poc_t *p_pocs, 1131 OPJ_UINT32 p_nb_pocs, 1132 OPJ_UINT32 p_nb_resolutions, 1133 OPJ_UINT32 numcomps, 1134 OPJ_UINT32 numlayers, 1135 opj_event_mgr_t * p_manager); 1136 1137 /** 1138 * Gets the number of tile parts used for the given change of progression (if any) and the given tile. 1139 * 1140 * @param cp the coding parameters. 1141 * @param pino the offset of the given poc (i.e. its position in the coding parameter). 1142 * @param tileno the given tile. 1143 * 1144 * @return the number of tile parts. 1145 */ 1146 static OPJ_UINT32 opj_j2k_get_num_tp( opj_cp_t *cp, OPJ_UINT32 pino, OPJ_UINT32 tileno); 1147 1148 /** 1149 * Calculates the total number of tile parts needed by the encoder to 1150 * encode such an image. If not enough memory is available, then the function return false. 1151 * 1152 * @param p_nb_tiles pointer that will hold the number of tile parts. 1153 * @param cp the coding parameters for the image. 1154 * @param image the image to encode. 1155 * @param p_j2k the p_j2k encoder. 1156 * @param p_manager the user event manager. 1157 * 1158 * @return true if the function was successful, false else. 1159 */ 1160 static OPJ_BOOL opj_j2k_calculate_tp( opj_j2k_t *p_j2k, 1161 opj_cp_t *cp, 1162 OPJ_UINT32 * p_nb_tiles, 1163 opj_image_t *image, 1164 opj_event_mgr_t * p_manager); 1165 1166 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream); 1167 1168 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream); 1169 1170 static opj_codestream_index_t* opj_j2k_create_cstr_index(void); 1171 1172 static OPJ_FLOAT32 opj_j2k_get_tp_stride (opj_tcp_t * p_tcp); 1173 1174 static OPJ_FLOAT32 opj_j2k_get_default_stride (opj_tcp_t * p_tcp); 1175 1176 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres); 1177 1178 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters, opj_image_t *image, opj_event_mgr_t *p_manager); 1179 1180 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz, opj_event_mgr_t *p_manager); 1181 1182 /*@}*/ 1183 1184 /*@}*/ 1185 1186 /* ----------------------------------------------------------------------- */ 1187 typedef struct j2k_prog_order{ 1188 OPJ_PROG_ORDER enum_prog; 1189 char str_prog[5]; 1190 }j2k_prog_order_t; 1191 1192 j2k_prog_order_t j2k_prog_order_list[] = { 1193 {OPJ_CPRL, "CPRL"}, 1194 {OPJ_LRCP, "LRCP"}, 1195 {OPJ_PCRL, "PCRL"}, 1196 {OPJ_RLCP, "RLCP"}, 1197 {OPJ_RPCL, "RPCL"}, 1198 {(OPJ_PROG_ORDER)-1, ""} 1199 }; 1200 1201 /** 1202 * FIXME DOC 1203 */ 1204 static const OPJ_UINT32 MCT_ELEMENT_SIZE [] = 1205 { 1206 2, 1207 4, 1208 4, 1209 8 1210 }; 1211 1212 typedef void (* opj_j2k_mct_function) (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); 1213 1214 const opj_j2k_mct_function j2k_mct_read_functions_to_float [] = 1215 { 1216 opj_j2k_read_int16_to_float, 1217 opj_j2k_read_int32_to_float, 1218 opj_j2k_read_float32_to_float, 1219 opj_j2k_read_float64_to_float 1220 }; 1221 1222 const opj_j2k_mct_function j2k_mct_read_functions_to_int32 [] = 1223 { 1224 opj_j2k_read_int16_to_int32, 1225 opj_j2k_read_int32_to_int32, 1226 opj_j2k_read_float32_to_int32, 1227 opj_j2k_read_float64_to_int32 1228 }; 1229 1230 const opj_j2k_mct_function j2k_mct_write_functions_from_float [] = 1231 { 1232 opj_j2k_write_float_to_int16, 1233 opj_j2k_write_float_to_int32, 1234 opj_j2k_write_float_to_float, 1235 opj_j2k_write_float_to_float64 1236 }; 1237 1238 typedef struct opj_dec_memory_marker_handler 1239 { 1240 /** marker value */ 1241 OPJ_UINT32 id; 1242 /** value of the state when the marker can appear */ 1243 OPJ_UINT32 states; 1244 /** action linked to the marker */ 1245 OPJ_BOOL (*handler) ( opj_j2k_t *p_j2k, 1246 OPJ_BYTE * p_header_data, 1247 OPJ_UINT32 p_header_size, 1248 opj_event_mgr_t * p_manager ); 1249 } 1250 opj_dec_memory_marker_handler_t; 1251 1252 const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] = 1253 { 1254 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, opj_j2k_read_sot}, 1255 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_cod}, 1256 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_coc}, 1257 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_rgn}, 1258 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcd}, 1259 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcc}, 1260 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_poc}, 1261 {J2K_MS_SIZ, J2K_STATE_MHSIZ, opj_j2k_read_siz}, 1262 {J2K_MS_TLM, J2K_STATE_MH, opj_j2k_read_tlm}, 1263 {J2K_MS_PLM, J2K_STATE_MH, opj_j2k_read_plm}, 1264 {J2K_MS_PLT, J2K_STATE_TPH, opj_j2k_read_plt}, 1265 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm_v3}, 1266 {J2K_MS_PPT, J2K_STATE_TPH, opj_j2k_read_ppt}, 1267 {J2K_MS_SOP, 0, 0}, 1268 {J2K_MS_CRG, J2K_STATE_MH, opj_j2k_read_crg}, 1269 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_com}, 1270 {J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mct}, 1271 {J2K_MS_CBD, J2K_STATE_MH , opj_j2k_read_cbd}, 1272 {J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mcc}, 1273 {J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mco}, 1274 #ifdef USE_JPWL 1275 #ifdef TODO_MS /* remove these functions which are not commpatible with the v2 API */ 1276 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc}, 1277 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb}, 1278 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd}, 1279 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red}, 1280 #endif 1281 #endif /* USE_JPWL */ 1282 #ifdef USE_JPSEC 1283 {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec}, 1284 {J2K_MS_INSEC, 0, j2k_read_insec} 1285 #endif /* USE_JPSEC */ 1286 {J2K_MS_UNK, J2K_STATE_MH | J2K_STATE_TPH, 0}/*opj_j2k_read_unk is directly used*/ 1287 }; 1288 1289 void opj_j2k_read_int16_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1290 { 1291 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data; 1292 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data; 1293 OPJ_UINT32 i; 1294 OPJ_UINT32 l_temp; 1295 1296 for (i=0;i<p_nb_elem;++i) { 1297 opj_read_bytes(l_src_data,&l_temp,2); 1298 1299 l_src_data+=sizeof(OPJ_INT16); 1300 1301 *(l_dest_data++) = (OPJ_FLOAT32) l_temp; 1302 } 1303 } 1304 1305 void opj_j2k_read_int32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1306 { 1307 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data; 1308 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data; 1309 OPJ_UINT32 i; 1310 OPJ_UINT32 l_temp; 1311 1312 for (i=0;i<p_nb_elem;++i) { 1313 opj_read_bytes(l_src_data,&l_temp,4); 1314 1315 l_src_data+=sizeof(OPJ_INT32); 1316 1317 *(l_dest_data++) = (OPJ_FLOAT32) l_temp; 1318 } 1319 } 1320 1321 void opj_j2k_read_float32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1322 { 1323 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data; 1324 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data; 1325 OPJ_UINT32 i; 1326 OPJ_FLOAT32 l_temp; 1327 1328 for (i=0;i<p_nb_elem;++i) { 1329 opj_read_float(l_src_data,&l_temp); 1330 1331 l_src_data+=sizeof(OPJ_FLOAT32); 1332 1333 *(l_dest_data++) = l_temp; 1334 } 1335 } 1336 1337 void opj_j2k_read_float64_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1338 { 1339 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data; 1340 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data; 1341 OPJ_UINT32 i; 1342 OPJ_FLOAT64 l_temp; 1343 1344 for (i=0;i<p_nb_elem;++i) { 1345 opj_read_double(l_src_data,&l_temp); 1346 1347 l_src_data+=sizeof(OPJ_FLOAT64); 1348 1349 *(l_dest_data++) = (OPJ_FLOAT32) l_temp; 1350 } 1351 } 1352 1353 void opj_j2k_read_int16_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1354 { 1355 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data; 1356 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data; 1357 OPJ_UINT32 i; 1358 OPJ_UINT32 l_temp; 1359 1360 for (i=0;i<p_nb_elem;++i) { 1361 opj_read_bytes(l_src_data,&l_temp,2); 1362 1363 l_src_data+=sizeof(OPJ_INT16); 1364 1365 *(l_dest_data++) = (OPJ_INT32) l_temp; 1366 } 1367 } 1368 1369 void opj_j2k_read_int32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1370 { 1371 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data; 1372 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data; 1373 OPJ_UINT32 i; 1374 OPJ_UINT32 l_temp; 1375 1376 for (i=0;i<p_nb_elem;++i) { 1377 opj_read_bytes(l_src_data,&l_temp,4); 1378 1379 l_src_data+=sizeof(OPJ_INT32); 1380 1381 *(l_dest_data++) = (OPJ_INT32) l_temp; 1382 } 1383 } 1384 1385 void opj_j2k_read_float32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1386 { 1387 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data; 1388 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data; 1389 OPJ_UINT32 i; 1390 OPJ_FLOAT32 l_temp; 1391 1392 for (i=0;i<p_nb_elem;++i) { 1393 opj_read_float(l_src_data,&l_temp); 1394 1395 l_src_data+=sizeof(OPJ_FLOAT32); 1396 1397 *(l_dest_data++) = (OPJ_INT32) l_temp; 1398 } 1399 } 1400 1401 void opj_j2k_read_float64_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1402 { 1403 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data; 1404 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data; 1405 OPJ_UINT32 i; 1406 OPJ_FLOAT64 l_temp; 1407 1408 for (i=0;i<p_nb_elem;++i) { 1409 opj_read_double(l_src_data,&l_temp); 1410 1411 l_src_data+=sizeof(OPJ_FLOAT64); 1412 1413 *(l_dest_data++) = (OPJ_INT32) l_temp; 1414 } 1415 } 1416 1417 void opj_j2k_write_float_to_int16 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1418 { 1419 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data; 1420 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data; 1421 OPJ_UINT32 i; 1422 OPJ_UINT32 l_temp; 1423 1424 for (i=0;i<p_nb_elem;++i) { 1425 l_temp = (OPJ_UINT32) *(l_src_data++); 1426 1427 opj_write_bytes(l_dest_data,l_temp,sizeof(OPJ_INT16)); 1428 1429 l_dest_data+=sizeof(OPJ_INT16); 1430 } 1431 } 1432 1433 void opj_j2k_write_float_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1434 { 1435 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data; 1436 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data; 1437 OPJ_UINT32 i; 1438 OPJ_UINT32 l_temp; 1439 1440 for (i=0;i<p_nb_elem;++i) { 1441 l_temp = (OPJ_UINT32) *(l_src_data++); 1442 1443 opj_write_bytes(l_dest_data,l_temp,sizeof(OPJ_INT32)); 1444 1445 l_dest_data+=sizeof(OPJ_INT32); 1446 } 1447 } 1448 1449 void opj_j2k_write_float_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1450 { 1451 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data; 1452 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data; 1453 OPJ_UINT32 i; 1454 OPJ_FLOAT32 l_temp; 1455 1456 for (i=0;i<p_nb_elem;++i) { 1457 l_temp = (OPJ_FLOAT32) *(l_src_data++); 1458 1459 opj_write_float(l_dest_data,l_temp); 1460 1461 l_dest_data+=sizeof(OPJ_FLOAT32); 1462 } 1463 } 1464 1465 void opj_j2k_write_float_to_float64 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem) 1466 { 1467 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data; 1468 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data; 1469 OPJ_UINT32 i; 1470 OPJ_FLOAT64 l_temp; 1471 1472 for (i=0;i<p_nb_elem;++i) { 1473 l_temp = (OPJ_FLOAT64) *(l_src_data++); 1474 1475 opj_write_double(l_dest_data,l_temp); 1476 1477 l_dest_data+=sizeof(OPJ_FLOAT64); 1478 } 1479 } 1480 1481 char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){ 1482 j2k_prog_order_t *po; 1483 for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){ 1484 if(po->enum_prog == prg_order){ 1485 return po->str_prog; 1486 } 1487 } 1488 return po->str_prog; 1489 } 1490 1491 OPJ_BOOL opj_j2k_check_poc_val( const opj_poc_t *p_pocs, 1492 OPJ_UINT32 p_nb_pocs, 1493 OPJ_UINT32 p_nb_resolutions, 1494 OPJ_UINT32 p_num_comps, 1495 OPJ_UINT32 p_num_layers, 1496 opj_event_mgr_t * p_manager) 1497 { 1498 OPJ_UINT32* packet_array; 1499 OPJ_UINT32 index , resno, compno, layno; 1500 OPJ_UINT32 i; 1501 OPJ_UINT32 step_c = 1; 1502 OPJ_UINT32 step_r = p_num_comps * step_c; 1503 OPJ_UINT32 step_l = p_nb_resolutions * step_r; 1504 OPJ_BOOL loss = OPJ_FALSE; 1505 OPJ_UINT32 layno0 = 0; 1506 1507 packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers, sizeof(OPJ_UINT32)); 1508 if (packet_array == 00) { 1509 opj_event_msg(p_manager , EVT_ERROR, "Not enough memory for checking the poc values.\n"); 1510 return OPJ_FALSE; 1511 } 1512 1513 if (p_nb_pocs == 0) { 1514 opj_free(packet_array); 1515 return OPJ_TRUE; 1516 } 1517 1518 index = step_r * p_pocs->resno0; 1519 /* take each resolution for each poc */ 1520 for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) 1521 { 1522 OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c; 1523 1524 /* take each comp of each resolution for each poc */ 1525 for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) { 1526 OPJ_UINT32 comp_index = res_index + layno0 * step_l; 1527 1528 /* and finally take each layer of each res of ... */ 1529 for (layno = layno0; layno < p_pocs->layno1 ; ++layno) { 1530 /*index = step_r * resno + step_c * compno + step_l * layno;*/ 1531 packet_array[comp_index] = 1; 1532 comp_index += step_l; 1533 } 1534 1535 res_index += step_c; 1536 } 1537 1538 index += step_r; 1539 } 1540 ++p_pocs; 1541 1542 /* iterate through all the pocs */ 1543 for (i = 1; i < p_nb_pocs ; ++i) { 1544 OPJ_UINT32 l_last_layno1 = (p_pocs-1)->layno1 ; 1545 1546 layno0 = (p_pocs->layno1 > l_last_layno1)? l_last_layno1 : 0; 1547 index = step_r * p_pocs->resno0; 1548 1549 /* take each resolution for each poc */ 1550 for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) { 1551 OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c; 1552 1553 /* take each comp of each resolution for each poc */ 1554 for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) { 1555 OPJ_UINT32 comp_index = res_index + layno0 * step_l; 1556 1557 /* and finally take each layer of each res of ... */ 1558 for (layno = layno0; layno < p_pocs->layno1 ; ++layno) { 1559 /*index = step_r * resno + step_c * compno + step_l * layno;*/ 1560 packet_array[comp_index] = 1; 1561 comp_index += step_l; 1562 } 1563 1564 res_index += step_c; 1565 } 1566 1567 index += step_r; 1568 } 1569 1570 ++p_pocs; 1571 } 1572 1573 index = 0; 1574 for (layno = 0; layno < p_num_layers ; ++layno) { 1575 for (resno = 0; resno < p_nb_resolutions; ++resno) { 1576 for (compno = 0; compno < p_num_comps; ++compno) { 1577 loss |= (packet_array[index]!=1); 1578 /*index = step_r * resno + step_c * compno + step_l * layno;*/ 1579 index += step_c; 1580 } 1581 } 1582 } 1583 1584 if (loss) { 1585 opj_event_msg(p_manager , EVT_ERROR, "Missing packets possible loss of data\n"); 1586 } 1587 1588 opj_free(packet_array); 1589 1590 return !loss; 1591 } 1592 1593 /* ----------------------------------------------------------------------- */ 1594 1595 OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino, OPJ_UINT32 tileno) 1596 { 1597 const OPJ_CHAR *prog = 00; 1598 OPJ_INT32 i; 1599 OPJ_UINT32 tpnum = 1; 1600 opj_tcp_t *tcp = 00; 1601 opj_poc_t * l_current_poc = 00; 1602 1603 /* preconditions */ 1604 assert(tileno < (cp->tw * cp->th)); 1605 assert(pino < (cp->tcps[tileno].numpocs + 1)); 1606 1607 /* get the given tile coding parameter */ 1608 tcp = &cp->tcps[tileno]; 1609 assert(tcp != 00); 1610 1611 l_current_poc = &(tcp->pocs[pino]); 1612 assert(l_current_poc != 0); 1613 1614 /* get the progression order as a character string */ 1615 prog = opj_j2k_convert_progression_order(tcp->prg); 1616 assert(strlen(prog) > 0); 1617 1618 if (cp->m_specific_param.m_enc.m_tp_on == 1) { 1619 for (i=0;i<4;++i) { 1620 switch (prog[i]) 1621 { 1622 /* component wise */ 1623 case 'C': 1624 tpnum *= l_current_poc->compE; 1625 break; 1626 /* resolution wise */ 1627 case 'R': 1628 tpnum *= l_current_poc->resE; 1629 break; 1630 /* precinct wise */ 1631 case 'P': 1632 tpnum *= l_current_poc->prcE; 1633 break; 1634 /* layer wise */ 1635 case 'L': 1636 tpnum *= l_current_poc->layE; 1637 break; 1638 } 1639 /* whould we split here ? */ 1640 if ( cp->m_specific_param.m_enc.m_tp_flag == prog[i] ) { 1641 cp->m_specific_param.m_enc.m_tp_pos=i; 1642 break; 1643 } 1644 } 1645 } 1646 else { 1647 tpnum=1; 1648 } 1649 1650 return tpnum; 1651 } 1652 1653 OPJ_BOOL opj_j2k_calculate_tp( opj_j2k_t *p_j2k, 1654 opj_cp_t *cp, 1655 OPJ_UINT32 * p_nb_tiles, 1656 opj_image_t *image, 1657 opj_event_mgr_t * p_manager 1658 ) 1659 { 1660 OPJ_UINT32 pino,tileno; 1661 OPJ_UINT32 l_nb_tiles; 1662 opj_tcp_t *tcp; 1663 1664 /* preconditions */ 1665 assert(p_nb_tiles != 00); 1666 assert(cp != 00); 1667 assert(image != 00); 1668 assert(p_j2k != 00); 1669 assert(p_manager != 00); 1670 1671 l_nb_tiles = cp->tw * cp->th; 1672 * p_nb_tiles = 0; 1673 tcp = cp->tcps; 1674 1675 /* INDEX >> */ 1676 /* TODO mergeV2: check this part which use cstr_info */ 1677 /*if (p_j2k->cstr_info) { 1678 opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile; 1679 1680 for (tileno = 0; tileno < l_nb_tiles; ++tileno) { 1681 OPJ_UINT32 cur_totnum_tp = 0; 1682 1683 opj_pi_update_encoding_parameters(image,cp,tileno); 1684 1685 for (pino = 0; pino <= tcp->numpocs; ++pino) 1686 { 1687 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno); 1688 1689 *p_nb_tiles = *p_nb_tiles + tp_num; 1690 1691 cur_totnum_tp += tp_num; 1692 } 1693 1694 tcp->m_nb_tile_parts = cur_totnum_tp; 1695 1696 l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t)); 1697 if (l_info_tile_ptr->tp == 00) { 1698 return OPJ_FALSE; 1699 } 1700 1701 memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t)); 1702 1703 l_info_tile_ptr->num_tps = cur_totnum_tp; 1704 1705 ++l_info_tile_ptr; 1706 ++tcp; 1707 } 1708 } 1709 else */{ 1710 for (tileno = 0; tileno < l_nb_tiles; ++tileno) { 1711 OPJ_UINT32 cur_totnum_tp = 0; 1712 1713 opj_pi_update_encoding_parameters(image,cp,tileno); 1714 1715 for (pino = 0; pino <= tcp->numpocs; ++pino) { 1716 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno); 1717 1718 *p_nb_tiles = *p_nb_tiles + tp_num; 1719 1720 cur_totnum_tp += tp_num; 1721 } 1722 tcp->m_nb_tile_parts = cur_totnum_tp; 1723 1724 ++tcp; 1725 } 1726 } 1727 1728 return OPJ_TRUE; 1729 } 1730 1731 OPJ_BOOL opj_j2k_write_soc( opj_j2k_t *p_j2k, 1732 opj_stream_private_t *p_stream, 1733 opj_event_mgr_t * p_manager ) 1734 { 1735 /* 2 bytes will be written */ 1736 OPJ_BYTE * l_start_stream = 00; 1737 1738 /* preconditions */ 1739 assert(p_stream != 00); 1740 assert(p_j2k != 00); 1741 assert(p_manager != 00); 1742 1743 l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 1744 1745 /* write SOC identifier */ 1746 opj_write_bytes(l_start_stream,J2K_MS_SOC,2); 1747 1748 if (opj_stream_write_data(p_stream,l_start_stream,2,p_manager) != 2) { 1749 return OPJ_FALSE; 1750 } 1751 1752 /* UniPG>> */ 1753 #ifdef USE_JPWL 1754 /* update markers struct */ 1755 /* 1756 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2); 1757 */ 1758 assert( 0 && "TODO" ); 1759 #endif /* USE_JPWL */ 1760 /* <<UniPG */ 1761 1762 return OPJ_TRUE; 1763 } 1764 1765 /** 1766 * Reads a SOC marker (Start of Codestream) 1767 * @param p_j2k the jpeg2000 file codec. 1768 * @param p_stream FIXME DOC 1769 * @param p_manager the user event manager. 1770 */ 1771 static OPJ_BOOL opj_j2k_read_soc( opj_j2k_t *p_j2k, 1772 opj_stream_private_t *p_stream, 1773 opj_event_mgr_t * p_manager 1774 ) 1775 { 1776 OPJ_BYTE l_data [2]; 1777 OPJ_UINT32 l_marker; 1778 1779 /* preconditions */ 1780 assert(p_j2k != 00); 1781 assert(p_manager != 00); 1782 assert(p_stream != 00); 1783 1784 if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) { 1785 return OPJ_FALSE; 1786 } 1787 1788 opj_read_bytes(l_data,&l_marker,2); 1789 if (l_marker != J2K_MS_SOC) { 1790 return OPJ_FALSE; 1791 } 1792 1793 /* Next marker should be a SIZ marker in the main header */ 1794 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSIZ; 1795 1796 /* FIXME move it in a index structure included in p_j2k*/ 1797 p_j2k->cstr_index->main_head_start = opj_stream_tell(p_stream) - 2; 1798 1799 opj_event_msg(p_manager, EVT_INFO, "Start to read j2k main header (%d).\n", p_j2k->cstr_index->main_head_start); 1800 1801 /* Add the marker to the codestream index*/ 1802 if (OPJ_FALSE == opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_SOC, p_j2k->cstr_index->main_head_start, 2)) { 1803 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); 1804 return OPJ_FALSE; 1805 } 1806 return OPJ_TRUE; 1807 } 1808 1809 OPJ_BOOL opj_j2k_write_siz( opj_j2k_t *p_j2k, 1810 opj_stream_private_t *p_stream, 1811 opj_event_mgr_t * p_manager ) 1812 { 1813 OPJ_UINT32 i; 1814 OPJ_UINT32 l_size_len; 1815 OPJ_BYTE * l_current_ptr; 1816 opj_image_t * l_image = 00; 1817 opj_cp_t *cp = 00; 1818 opj_image_comp_t * l_img_comp = 00; 1819 1820 /* preconditions */ 1821 assert(p_stream != 00); 1822 assert(p_j2k != 00); 1823 assert(p_manager != 00); 1824 1825 l_image = p_j2k->m_private_image; 1826 cp = &(p_j2k->m_cp); 1827 l_size_len = 40 + 3 * l_image->numcomps; 1828 l_img_comp = l_image->comps; 1829 1830 if (l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 1831 1832 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len); 1833 if (! new_header_tile_data) { 1834 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 1835 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 1836 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 1837 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory for the SIZ marker\n"); 1838 return OPJ_FALSE; 1839 } 1840 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 1841 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len; 1842 } 1843 1844 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 1845 1846 /* write SOC identifier */ 1847 opj_write_bytes(l_current_ptr,J2K_MS_SIZ,2); /* SIZ */ 1848 l_current_ptr+=2; 1849 1850 opj_write_bytes(l_current_ptr,l_size_len-2,2); /* L_SIZ */ 1851 l_current_ptr+=2; 1852 1853 opj_write_bytes(l_current_ptr, cp->rsiz, 2); /* Rsiz (capabilities) */ 1854 l_current_ptr+=2; 1855 1856 opj_write_bytes(l_current_ptr, l_image->x1, 4); /* Xsiz */ 1857 l_current_ptr+=4; 1858 1859 opj_write_bytes(l_current_ptr, l_image->y1, 4); /* Ysiz */ 1860 l_current_ptr+=4; 1861 1862 opj_write_bytes(l_current_ptr, l_image->x0, 4); /* X0siz */ 1863 l_current_ptr+=4; 1864 1865 opj_write_bytes(l_current_ptr, l_image->y0, 4); /* Y0siz */ 1866 l_current_ptr+=4; 1867 1868 opj_write_bytes(l_current_ptr, cp->tdx, 4); /* XTsiz */ 1869 l_current_ptr+=4; 1870 1871 opj_write_bytes(l_current_ptr, cp->tdy, 4); /* YTsiz */ 1872 l_current_ptr+=4; 1873 1874 opj_write_bytes(l_current_ptr, cp->tx0, 4); /* XT0siz */ 1875 l_current_ptr+=4; 1876 1877 opj_write_bytes(l_current_ptr, cp->ty0, 4); /* YT0siz */ 1878 l_current_ptr+=4; 1879 1880 opj_write_bytes(l_current_ptr, l_image->numcomps, 2); /* Csiz */ 1881 l_current_ptr+=2; 1882 1883 for (i = 0; i < l_image->numcomps; ++i) { 1884 /* TODO here with MCT ? */ 1885 opj_write_bytes(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7), 1); /* Ssiz_i */ 1886 ++l_current_ptr; 1887 1888 opj_write_bytes(l_current_ptr, l_img_comp->dx, 1); /* XRsiz_i */ 1889 ++l_current_ptr; 1890 1891 opj_write_bytes(l_current_ptr, l_img_comp->dy, 1); /* YRsiz_i */ 1892 ++l_current_ptr; 1893 1894 ++l_img_comp; 1895 } 1896 1897 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_size_len,p_manager) != l_size_len) { 1898 return OPJ_FALSE; 1899 } 1900 1901 return OPJ_TRUE; 1902 } 1903 1904 /** 1905 * Reads a SIZ marker (image and tile size) 1906 * @param p_j2k the jpeg2000 file codec. 1907 * @param p_header_data the data contained in the SIZ box. 1908 * @param p_header_size the size of the data contained in the SIZ marker. 1909 * @param p_manager the user event manager. 1910 */ 1911 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k, 1912 OPJ_BYTE * p_header_data, 1913 OPJ_UINT32 p_header_size, 1914 opj_event_mgr_t * p_manager 1915 ) 1916 { 1917 OPJ_UINT32 i; 1918 OPJ_UINT32 l_nb_comp; 1919 OPJ_UINT32 l_nb_comp_remain; 1920 OPJ_UINT32 l_remaining_size; 1921 OPJ_UINT32 l_nb_tiles; 1922 OPJ_UINT32 l_tmp, l_tx1, l_ty1; 1923 opj_image_t *l_image = 00; 1924 opj_cp_t *l_cp = 00; 1925 opj_image_comp_t * l_img_comp = 00; 1926 opj_tcp_t * l_current_tile_param = 00; 1927 1928 /* preconditions */ 1929 assert(p_j2k != 00); 1930 assert(p_manager != 00); 1931 assert(p_header_data != 00); 1932 1933 l_image = p_j2k->m_private_image; 1934 l_cp = &(p_j2k->m_cp); 1935 1936 /* minimum size == 39 - 3 (= minimum component parameter) */ 1937 if (p_header_size < 36) { 1938 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n"); 1939 return OPJ_FALSE; 1940 } 1941 1942 l_remaining_size = p_header_size - 36; 1943 l_nb_comp = l_remaining_size / 3; 1944 l_nb_comp_remain = l_remaining_size % 3; 1945 if (l_nb_comp_remain != 0){ 1946 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n"); 1947 return OPJ_FALSE; 1948 } 1949 1950 opj_read_bytes(p_header_data,&l_tmp ,2); /* Rsiz (capabilities) */ 1951 p_header_data+=2; 1952 l_cp->rsiz = (OPJ_UINT16) l_tmp; 1953 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x1, 4); /* Xsiz */ 1954 p_header_data+=4; 1955 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y1, 4); /* Ysiz */ 1956 p_header_data+=4; 1957 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x0, 4); /* X0siz */ 1958 p_header_data+=4; 1959 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y0, 4); /* Y0siz */ 1960 p_header_data+=4; 1961 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdx, 4); /* XTsiz */ 1962 p_header_data+=4; 1963 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdy, 4); /* YTsiz */ 1964 p_header_data+=4; 1965 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tx0, 4); /* XT0siz */ 1966 p_header_data+=4; 1967 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->ty0, 4); /* YT0siz */ 1968 p_header_data+=4; 1969 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_tmp, 2); /* Csiz */ 1970 p_header_data+=2; 1971 if (l_tmp < 16385) 1972 l_image->numcomps = (OPJ_UINT16) l_tmp; 1973 else { 1974 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: number of component is illegal -> %d\n", l_tmp); 1975 return OPJ_FALSE; 1976 } 1977 1978 if (l_image->numcomps != l_nb_comp) { 1979 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: number of component is not compatible with the remaining number of parameters ( %d vs %d)\n", l_image->numcomps, l_nb_comp); 1980 return OPJ_FALSE; 1981 } 1982 1983 /* testcase 4035.pdf.SIGSEGV.d8b.3375 */ 1984 /* testcase issue427-null-image-size.jp2 */ 1985 if ((l_image->x0 >= l_image->x1) || (l_image->y0 >= l_image->y1)) { 1986 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: negative or zero image size (%d x %d)\n", l_image->x1 - l_image->x0, l_image->y1 - l_image->y0); 1987 return OPJ_FALSE; 1988 } 1989 /* testcase 2539.pdf.SIGFPE.706.1712 (also 3622.pdf.SIGFPE.706.2916 and 4008.pdf.SIGFPE.706.3345 and maybe more) */ 1990 if (!(l_cp->tdx * l_cp->tdy)) { 1991 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: invalid tile size (tdx: %d, tdy: %d)\n", l_cp->tdx, l_cp->tdy); 1992 return OPJ_FALSE; 1993 } 1994 1995 /* testcase 1610.pdf.SIGSEGV.59c.681 */ 1996 if (((OPJ_UINT64)l_image->x1) * ((OPJ_UINT64)l_image->y1) != (l_image->x1 * l_image->y1)) { 1997 opj_event_msg(p_manager, EVT_ERROR, "Prevent buffer overflow (x1: %d, y1: %d)\n", l_image->x1, l_image->y1); 1998 return OPJ_FALSE; 1999 } 2000 2001 /* testcase issue427-illegal-tile-offset.jp2 */ 2002 l_tx1 = l_cp->tx0 + l_cp->tdx; 2003 if (l_tx1 < l_cp->tx0) { /* manage overflow */ 2004 l_tx1 = 0xFFFFFFFFU; 2005 } 2006 l_ty1 = l_cp->ty0 + l_cp->tdy; 2007 if (l_ty1 < l_cp->ty0) { /* manage overflow */ 2008 l_ty1 = 0xFFFFFFFFU; 2009 } 2010 if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) || (l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0) ) { 2011 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: illegal tile offset\n"); 2012 return OPJ_FALSE; 2013 } 2014 2015 #ifdef USE_JPWL 2016 if (l_cp->correct) { 2017 /* if JPWL is on, we check whether TX errors have damaged 2018 too much the SIZ parameters */ 2019 if (!(l_image->x1 * l_image->y1)) { 2020 opj_event_msg(p_manager, EVT_ERROR, 2021 "JPWL: bad image size (%d x %d)\n", 2022 l_image->x1, l_image->y1); 2023 if (!JPWL_ASSUME || JPWL_ASSUME) { 2024 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); 2025 return OPJ_FALSE; 2026 } 2027 } 2028 2029 /* FIXME check previously in the function so why keep this piece of code ? Need by the norm ? 2030 if (l_image->numcomps != ((len - 38) / 3)) { 2031 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, 2032 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n", 2033 l_image->numcomps, ((len - 38) / 3)); 2034 if (!JPWL_ASSUME) { 2035 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); 2036 return OPJ_FALSE; 2037 } 2038 */ /* we try to correct */ 2039 /* opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"); 2040 if (l_image->numcomps < ((len - 38) / 3)) { 2041 len = 38 + 3 * l_image->numcomps; 2042 opj_event_msg(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n", 2043 len); 2044 } else { 2045 l_image->numcomps = ((len - 38) / 3); 2046 opj_event_msg(p_manager, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n", 2047 l_image->numcomps); 2048 } 2049 } 2050 */ 2051 2052 /* update components number in the jpwl_exp_comps filed */ 2053 l_cp->exp_comps = l_image->numcomps; 2054 } 2055 #endif /* USE_JPWL */ 2056 2057 /* Allocate the resulting image components */ 2058 l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps, sizeof(opj_image_comp_t)); 2059 if (l_image->comps == 00){ 2060 l_image->numcomps = 0; 2061 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); 2062 return OPJ_FALSE; 2063 } 2064 2065 l_img_comp = l_image->comps; 2066 2067 /* Read the component information */ 2068 for (i = 0; i < l_image->numcomps; ++i){ 2069 OPJ_UINT32 tmp; 2070 opj_read_bytes(p_header_data,&tmp,1); /* Ssiz_i */ 2071 ++p_header_data; 2072 l_img_comp->prec = (tmp & 0x7f) + 1; 2073 l_img_comp->sgnd = tmp >> 7; 2074 opj_read_bytes(p_header_data,&tmp,1); /* XRsiz_i */ 2075 ++p_header_data; 2076 l_img_comp->dx = (OPJ_UINT32)tmp; /* should be between 1 and 255 */ 2077 opj_read_bytes(p_header_data,&tmp,1); /* YRsiz_i */ 2078 ++p_header_data; 2079 l_img_comp->dy = (OPJ_UINT32)tmp; /* should be between 1 and 255 */ 2080 if( l_img_comp->dx < 1 || l_img_comp->dx > 255 || 2081 l_img_comp->dy < 1 || l_img_comp->dy > 255 ) { 2082 opj_event_msg(p_manager, EVT_ERROR, 2083 "Invalid values for comp = %d : dx=%u dy=%u\n (should be between 1 and 255 according the JPEG2000 norm)", 2084 i, l_img_comp->dx, l_img_comp->dy); 2085 return OPJ_FALSE; 2086 } 2087 2088 #ifdef USE_JPWL 2089 if (l_cp->correct) { 2090 /* if JPWL is on, we check whether TX errors have damaged 2091 too much the SIZ parameters, again */ 2092 if (!(l_image->comps[i].dx * l_image->comps[i].dy)) { 2093 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, 2094 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n", 2095 i, i, l_image->comps[i].dx, l_image->comps[i].dy); 2096 if (!JPWL_ASSUME) { 2097 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); 2098 return OPJ_FALSE; 2099 } 2100 /* we try to correct */ 2101 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"); 2102 if (!l_image->comps[i].dx) { 2103 l_image->comps[i].dx = 1; 2104 opj_event_msg(p_manager, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n", 2105 i, l_image->comps[i].dx); 2106 } 2107 if (!l_image->comps[i].dy) { 2108 l_image->comps[i].dy = 1; 2109 opj_event_msg(p_manager, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n", 2110 i, l_image->comps[i].dy); 2111 } 2112 } 2113 } 2114 #endif /* USE_JPWL */ 2115 l_img_comp->resno_decoded = 0; /* number of resolution decoded */ 2116 l_img_comp->factor = l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */ 2117 ++l_img_comp; 2118 } 2119 2120 /* Compute the number of tiles */ 2121 l_cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->x1 - l_cp->tx0), (OPJ_INT32)l_cp->tdx); 2122 l_cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->y1 - l_cp->ty0), (OPJ_INT32)l_cp->tdy); 2123 2124 /* Check that the number of tiles is valid */ 2125 if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) { 2126 opj_event_msg( p_manager, EVT_ERROR, 2127 "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n", 2128 l_cp->tw, l_cp->th); 2129 return OPJ_FALSE; 2130 } 2131 l_nb_tiles = l_cp->tw * l_cp->th; 2132 2133 /* Define the tiles which will be decoded */ 2134 if (p_j2k->m_specific_param.m_decoder.m_discard_tiles) { 2135 p_j2k->m_specific_param.m_decoder.m_start_tile_x = (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx; 2136 p_j2k->m_specific_param.m_decoder.m_start_tile_y = (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy; 2137 p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0), (OPJ_INT32)l_cp->tdx); 2138 p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0), (OPJ_INT32)l_cp->tdy); 2139 } 2140 else { 2141 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0; 2142 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0; 2143 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw; 2144 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th; 2145 } 2146 2147 #ifdef USE_JPWL 2148 if (l_cp->correct) { 2149 /* if JPWL is on, we check whether TX errors have damaged 2150 too much the SIZ parameters */ 2151 if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) || (l_cp->th > l_cp->max_tiles)) { 2152 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, 2153 "JPWL: bad number of tiles (%d x %d)\n", 2154 l_cp->tw, l_cp->th); 2155 if (!JPWL_ASSUME) { 2156 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); 2157 return OPJ_FALSE; 2158 } 2159 /* we try to correct */ 2160 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"); 2161 if (l_cp->tw < 1) { 2162 l_cp->tw= 1; 2163 opj_event_msg(p_manager, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n", 2164 l_cp->tw); 2165 } 2166 if (l_cp->tw > l_cp->max_tiles) { 2167 l_cp->tw= 1; 2168 opj_event_msg(p_manager, EVT_WARNING, "- too large x, increase expectance of %d\n" 2169 "- setting %d tiles in x => HYPOTHESIS!!!\n", 2170 l_cp->max_tiles, l_cp->tw); 2171 } 2172 if (l_cp->th < 1) { 2173 l_cp->th= 1; 2174 opj_event_msg(p_manager, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n", 2175 l_cp->th); 2176 } 2177 if (l_cp->th > l_cp->max_tiles) { 2178 l_cp->th= 1; 2179 opj_event_msg(p_manager, EVT_WARNING, "- too large y, increase expectance of %d to continue\n", 2180 "- setting %d tiles in y => HYPOTHESIS!!!\n", 2181 l_cp->max_tiles, l_cp->th); 2182 } 2183 } 2184 } 2185 #endif /* USE_JPWL */ 2186 2187 /* memory allocations */ 2188 l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t)); 2189 if (l_cp->tcps == 00) { 2190 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); 2191 return OPJ_FALSE; 2192 } 2193 2194 #ifdef USE_JPWL 2195 if (l_cp->correct) { 2196 if (!l_cp->tcps) { 2197 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, 2198 "JPWL: could not alloc tcps field of cp\n"); 2199 if (!JPWL_ASSUME || JPWL_ASSUME) { 2200 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); 2201 return OPJ_FALSE; 2202 } 2203 } 2204 } 2205 #endif /* USE_JPWL */ 2206 2207 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps = 2208 (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t)); 2209 if(p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) { 2210 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); 2211 return OPJ_FALSE; 2212 } 2213 2214 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records = 2215 (opj_mct_data_t*)opj_calloc(OPJ_J2K_MCT_DEFAULT_NB_RECORDS ,sizeof(opj_mct_data_t)); 2216 2217 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) { 2218 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); 2219 return OPJ_FALSE; 2220 } 2221 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records = OPJ_J2K_MCT_DEFAULT_NB_RECORDS; 2222 2223 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records = 2224 (opj_simple_mcc_decorrelation_data_t*) 2225 opj_calloc(OPJ_J2K_MCC_DEFAULT_NB_RECORDS, sizeof(opj_simple_mcc_decorrelation_data_t)); 2226 2227 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) { 2228 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); 2229 return OPJ_FALSE; 2230 } 2231 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records = OPJ_J2K_MCC_DEFAULT_NB_RECORDS; 2232 2233 /* set up default dc level shift */ 2234 for (i=0;i<l_image->numcomps;++i) { 2235 if (! l_image->comps[i].sgnd) { 2236 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1 << (l_image->comps[i].prec - 1); 2237 } 2238 } 2239 2240 l_current_tile_param = l_cp->tcps; 2241 for (i = 0; i < l_nb_tiles; ++i) { 2242 l_current_tile_param->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t)); 2243 if (l_current_tile_param->tccps == 00) { 2244 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); 2245 return OPJ_FALSE; 2246 } 2247 2248 ++l_current_tile_param; 2249 } 2250 2251 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH; /* FIXME J2K_DEC_STATE_MH; */ 2252 opj_image_comp_header_update(l_image,l_cp); 2253 2254 return OPJ_TRUE; 2255 } 2256 2257 OPJ_BOOL opj_j2k_write_com( opj_j2k_t *p_j2k, 2258 opj_stream_private_t *p_stream, 2259 opj_event_mgr_t * p_manager 2260 ) 2261 { 2262 OPJ_UINT32 l_comment_size; 2263 OPJ_UINT32 l_total_com_size; 2264 const OPJ_CHAR *l_comment; 2265 OPJ_BYTE * l_current_ptr = 00; 2266 2267 /* preconditions */ 2268 assert(p_j2k != 00); 2269 assert(p_stream != 00); 2270 assert(p_manager != 00); 2271 2272 l_comment = p_j2k->m_cp.comment; 2273 l_comment_size = (OPJ_UINT32)strlen(l_comment); 2274 l_total_com_size = l_comment_size + 6; 2275 2276 if (l_total_com_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 2277 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size); 2278 if (! new_header_tile_data) { 2279 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 2280 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 2281 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 2282 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write the COM marker\n"); 2283 return OPJ_FALSE; 2284 } 2285 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 2286 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size; 2287 } 2288 2289 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 2290 2291 opj_write_bytes(l_current_ptr,J2K_MS_COM , 2); /* COM */ 2292 l_current_ptr+=2; 2293 2294 opj_write_bytes(l_current_ptr,l_total_com_size - 2 , 2); /* L_COM */ 2295 l_current_ptr+=2; 2296 2297 opj_write_bytes(l_current_ptr,1 , 2); /* General use (IS 8859-15:1999 (Latin) values) */ 2298 l_current_ptr+=2; 2299 2300 memcpy( l_current_ptr,l_comment,l_comment_size); 2301 2302 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_total_com_size,p_manager) != l_total_com_size) { 2303 return OPJ_FALSE; 2304 } 2305 2306 return OPJ_TRUE; 2307 } 2308 2309 /** 2310 * Reads a COM marker (comments) 2311 * @param p_j2k the jpeg2000 file codec. 2312 * @param p_header_data the data contained in the COM box. 2313 * @param p_header_size the size of the data contained in the COM marker. 2314 * @param p_manager the user event manager. 2315 */ 2316 static OPJ_BOOL opj_j2k_read_com ( opj_j2k_t *p_j2k, 2317 OPJ_BYTE * p_header_data, 2318 OPJ_UINT32 p_header_size, 2319 opj_event_mgr_t * p_manager 2320 ) 2321 { 2322 /* preconditions */ 2323 assert(p_j2k != 00); 2324 assert(p_manager != 00); 2325 assert(p_header_data != 00); 2326 (void)p_header_size; 2327 2328 return OPJ_TRUE; 2329 } 2330 2331 OPJ_BOOL opj_j2k_write_cod( opj_j2k_t *p_j2k, 2332 opj_stream_private_t *p_stream, 2333 opj_event_mgr_t * p_manager ) 2334 { 2335 opj_cp_t *l_cp = 00; 2336 opj_tcp_t *l_tcp = 00; 2337 OPJ_UINT32 l_code_size,l_remaining_size; 2338 OPJ_BYTE * l_current_data = 00; 2339 2340 /* preconditions */ 2341 assert(p_j2k != 00); 2342 assert(p_manager != 00); 2343 assert(p_stream != 00); 2344 2345 l_cp = &(p_j2k->m_cp); 2346 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number]; 2347 l_code_size = 9 + opj_j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,0); 2348 l_remaining_size = l_code_size; 2349 2350 if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 2351 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size); 2352 if (! new_header_tile_data) { 2353 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 2354 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 2355 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 2356 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COD marker\n"); 2357 return OPJ_FALSE; 2358 } 2359 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 2360 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size; 2361 } 2362 2363 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 2364 2365 opj_write_bytes(l_current_data,J2K_MS_COD,2); /* COD */ 2366 l_current_data += 2; 2367 2368 opj_write_bytes(l_current_data,l_code_size-2,2); /* L_COD */ 2369 l_current_data += 2; 2370 2371 opj_write_bytes(l_current_data,l_tcp->csty,1); /* Scod */ 2372 ++l_current_data; 2373 2374 opj_write_bytes(l_current_data,l_tcp->prg,1); /* SGcod (A) */ 2375 ++l_current_data; 2376 2377 opj_write_bytes(l_current_data,l_tcp->numlayers,2); /* SGcod (B) */ 2378 l_current_data+=2; 2379 2380 opj_write_bytes(l_current_data,l_tcp->mct,1); /* SGcod (C) */ 2381 ++l_current_data; 2382 2383 l_remaining_size -= 9; 2384 2385 if (! opj_j2k_write_SPCod_SPCoc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager)) { 2386 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n"); 2387 return OPJ_FALSE; 2388 } 2389 2390 if (l_remaining_size != 0) { 2391 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n"); 2392 return OPJ_FALSE; 2393 } 2394 2395 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_code_size,p_manager) != l_code_size) { 2396 return OPJ_FALSE; 2397 } 2398 2399 return OPJ_TRUE; 2400 } 2401 2402 /** 2403 * Reads a COD marker (Coding Styke defaults) 2404 * @param p_header_data the data contained in the COD box. 2405 * @param p_j2k the jpeg2000 codec. 2406 * @param p_header_size the size of the data contained in the COD marker. 2407 * @param p_manager the user event manager. 2408 */ 2409 static OPJ_BOOL opj_j2k_read_cod ( opj_j2k_t *p_j2k, 2410 OPJ_BYTE * p_header_data, 2411 OPJ_UINT32 p_header_size, 2412 opj_event_mgr_t * p_manager 2413 ) 2414 { 2415 /* loop */ 2416 OPJ_UINT32 i; 2417 OPJ_UINT32 l_tmp; 2418 opj_cp_t *l_cp = 00; 2419 opj_tcp_t *l_tcp = 00; 2420 opj_image_t *l_image = 00; 2421 2422 /* preconditions */ 2423 assert(p_header_data != 00); 2424 assert(p_j2k != 00); 2425 assert(p_manager != 00); 2426 2427 l_image = p_j2k->m_private_image; 2428 l_cp = &(p_j2k->m_cp); 2429 2430 /* If we are in the first tile-part header of the current tile */ 2431 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? 2432 &l_cp->tcps[p_j2k->m_current_tile_number] : 2433 p_j2k->m_specific_param.m_decoder.m_default_tcp; 2434 2435 /* Only one COD per tile */ 2436 if (l_tcp->cod) { 2437 opj_event_msg(p_manager, EVT_ERROR, "COD marker already read. No more than one COD marker per tile.\n"); 2438 return OPJ_FALSE; 2439 } 2440 l_tcp->cod = 1; 2441 2442 /* Make sure room is sufficient */ 2443 if (p_header_size < 5) { 2444 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n"); 2445 return OPJ_FALSE; 2446 } 2447 2448 opj_read_bytes(p_header_data,&l_tcp->csty,1); /* Scod */ 2449 ++p_header_data; 2450 /* Make sure we know how to decode this */ 2451 if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP | J2K_CP_CSTY_EPH)) != 0U) { 2452 opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n"); 2453 return OPJ_FALSE; 2454 } 2455 opj_read_bytes(p_header_data,&l_tmp,1); /* SGcod (A) */ 2456 ++p_header_data; 2457 l_tcp->prg = (OPJ_PROG_ORDER) l_tmp; 2458 /* Make sure progression order is valid */ 2459 if (l_tcp->prg > OPJ_CPRL ) { 2460 opj_event_msg(p_manager, EVT_ERROR, "Unknown progression order in COD marker\n"); 2461 l_tcp->prg = OPJ_PROG_UNKNOWN; 2462 } 2463 opj_read_bytes(p_header_data,&l_tcp->numlayers,2); /* SGcod (B) */ 2464 p_header_data+=2; 2465 2466 if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) { 2467 opj_event_msg(p_manager, EVT_ERROR, "Invalid number of layers in COD marker : %d not in range [1-65535]\n", l_tcp->numlayers); 2468 return OPJ_FALSE; 2469 } 2470 2471 /* If user didn't set a number layer to decode take the max specify in the codestream. */ 2472 if (l_cp->m_specific_param.m_dec.m_layer) { 2473 l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer; 2474 } 2475 else { 2476 l_tcp->num_layers_to_decode = l_tcp->numlayers; 2477 } 2478 2479 opj_read_bytes(p_header_data,&l_tcp->mct,1); /* SGcod (C) */ 2480 ++p_header_data; 2481 2482 p_header_size -= 5; 2483 for (i = 0; i < l_image->numcomps; ++i) { 2484 l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT; 2485 } 2486 2487 if (! opj_j2k_read_SPCod_SPCoc(p_j2k,0,p_header_data,&p_header_size,p_manager)) { 2488 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n"); 2489 return OPJ_FALSE; 2490 } 2491 2492 if (p_header_size != 0) { 2493 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n"); 2494 return OPJ_FALSE; 2495 } 2496 2497 /* Apply the coding style to other components of the current tile or the m_default_tcp*/ 2498 opj_j2k_copy_tile_component_parameters(p_j2k); 2499 2500 /* Index */ 2501 #ifdef WIP_REMOVE_MSD 2502 if (p_j2k->cstr_info) { 2503 /*opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;*/ 2504 p_j2k->cstr_info->prog = l_tcp->prg; 2505 p_j2k->cstr_info->numlayers = l_tcp->numlayers; 2506 p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(l_image->numcomps * sizeof(OPJ_UINT32)); 2507 for (i = 0; i < l_image->numcomps; ++i) { 2508 p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1; 2509 } 2510 } 2511 #endif 2512 2513 return OPJ_TRUE; 2514 } 2515 2516 #if 0 2517 OPJ_BOOL opj_j2k_write_coc( opj_j2k_t *p_j2k, 2518 OPJ_UINT32 p_comp_no, 2519 opj_stream_private_t *p_stream, 2520 opj_event_mgr_t * p_manager ) 2521 { 2522 OPJ_UINT32 l_coc_size,l_remaining_size; 2523 OPJ_UINT32 l_comp_room; 2524 2525 /* preconditions */ 2526 assert(p_j2k != 00); 2527 assert(p_manager != 00); 2528 assert(p_stream != 00); 2529 2530 l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2; 2531 2532 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no); 2533 2534 if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 2535 OPJ_BYTE *new_header_tile_data; 2536 /*p_j2k->m_specific_param.m_encoder.m_header_tile_data 2537 = (OPJ_BYTE*)opj_realloc( 2538 p_j2k->m_specific_param.m_encoder.m_header_tile_data, 2539 l_coc_size);*/ 2540 2541 new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size); 2542 if (! new_header_tile_data) { 2543 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 2544 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 2545 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 2546 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COC marker\n"); 2547 return OPJ_FALSE; 2548 } 2549 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 2550 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size; 2551 } 2552 2553 opj_j2k_write_coc_in_memory(p_j2k,p_comp_no,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_remaining_size,p_manager); 2554 2555 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_coc_size,p_manager) != l_coc_size) { 2556 return OPJ_FALSE; 2557 } 2558 2559 return OPJ_TRUE; 2560 } 2561 #endif 2562 2563 #if 0 2564 void opj_j2k_write_coc_in_memory( opj_j2k_t *p_j2k, 2565 OPJ_UINT32 p_comp_no, 2566 OPJ_BYTE * p_data, 2567 OPJ_UINT32 * p_data_written, 2568 opj_event_mgr_t * p_manager 2569 ) 2570 { 2571 opj_cp_t *l_cp = 00; 2572 opj_tcp_t *l_tcp = 00; 2573 OPJ_UINT32 l_coc_size,l_remaining_size; 2574 OPJ_BYTE * l_current_data = 00; 2575 opj_image_t *l_image = 00; 2576 OPJ_UINT32 l_comp_room; 2577 2578 /* preconditions */ 2579 assert(p_j2k != 00); 2580 assert(p_manager != 00); 2581 2582 l_cp = &(p_j2k->m_cp); 2583 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number]; 2584 l_image = p_j2k->m_private_image; 2585 l_comp_room = (l_image->numcomps <= 256) ? 1 : 2; 2586 2587 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no); 2588 l_remaining_size = l_coc_size; 2589 2590 l_current_data = p_data; 2591 2592 opj_write_bytes(l_current_data,J2K_MS_COC,2); /* COC */ 2593 l_current_data += 2; 2594 2595 opj_write_bytes(l_current_data,l_coc_size-2,2); /* L_COC */ 2596 l_current_data += 2; 2597 2598 opj_write_bytes(l_current_data,p_comp_no, l_comp_room); /* Ccoc */ 2599 l_current_data+=l_comp_room; 2600 2601 opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty, 1); /* Scoc */ 2602 ++l_current_data; 2603 2604 l_remaining_size -= (5 + l_comp_room); 2605 opj_j2k_write_SPCod_SPCoc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager); 2606 * p_data_written = l_coc_size; 2607 } 2608 #endif 2609 2610 OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k) 2611 { 2612 OPJ_UINT32 i,j; 2613 OPJ_UINT32 l_nb_comp; 2614 OPJ_UINT32 l_nb_tiles; 2615 OPJ_UINT32 l_max = 0; 2616 2617 /* preconditions */ 2618 2619 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ; 2620 l_nb_comp = p_j2k->m_private_image->numcomps; 2621 2622 for (i=0;i<l_nb_tiles;++i) { 2623 for (j=0;j<l_nb_comp;++j) { 2624 l_max = opj_uint_max(l_max,opj_j2k_get_SPCod_SPCoc_size(p_j2k,i,j)); 2625 } 2626 } 2627 2628 return 6 + l_max; 2629 } 2630 2631 /** 2632 * Reads a COC marker (Coding Style Component) 2633 * @param p_header_data the data contained in the COC box. 2634 * @param p_j2k the jpeg2000 codec. 2635 * @param p_header_size the size of the data contained in the COC marker. 2636 * @param p_manager the user event manager. 2637 */ 2638 static OPJ_BOOL opj_j2k_read_coc ( opj_j2k_t *p_j2k, 2639 OPJ_BYTE * p_header_data, 2640 OPJ_UINT32 p_header_size, 2641 opj_event_mgr_t * p_manager 2642 ) 2643 { 2644 opj_cp_t *l_cp = NULL; 2645 opj_tcp_t *l_tcp = NULL; 2646 opj_image_t *l_image = NULL; 2647 OPJ_UINT32 l_comp_room; 2648 OPJ_UINT32 l_comp_no; 2649 2650 /* preconditions */ 2651 assert(p_header_data != 00); 2652 assert(p_j2k != 00); 2653 assert(p_manager != 00); 2654 2655 l_cp = &(p_j2k->m_cp); 2656 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ) ? /*FIXME J2K_DEC_STATE_TPH*/ 2657 &l_cp->tcps[p_j2k->m_current_tile_number] : 2658 p_j2k->m_specific_param.m_decoder.m_default_tcp; 2659 l_image = p_j2k->m_private_image; 2660 2661 l_comp_room = l_image->numcomps <= 256 ? 1 : 2; 2662 2663 /* make sure room is sufficient*/ 2664 if (p_header_size < l_comp_room + 1) { 2665 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n"); 2666 return OPJ_FALSE; 2667 } 2668 p_header_size -= l_comp_room + 1; 2669 2670 opj_read_bytes(p_header_data,&l_comp_no,l_comp_room); /* Ccoc */ 2671 p_header_data += l_comp_room; 2672 if (l_comp_no >= l_image->numcomps) { 2673 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker (bad number of components)\n"); 2674 return OPJ_FALSE; 2675 } 2676 2677 opj_read_bytes(p_header_data,&l_tcp->tccps[l_comp_no].csty,1); /* Scoc */ 2678 ++p_header_data ; 2679 2680 if (! opj_j2k_read_SPCod_SPCoc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager)) { 2681 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n"); 2682 return OPJ_FALSE; 2683 } 2684 2685 if (p_header_size != 0) { 2686 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n"); 2687 return OPJ_FALSE; 2688 } 2689 return OPJ_TRUE; 2690 } 2691 2692 OPJ_BOOL opj_j2k_write_qcd( opj_j2k_t *p_j2k, 2693 opj_stream_private_t *p_stream, 2694 opj_event_mgr_t * p_manager 2695 ) 2696 { 2697 OPJ_UINT32 l_qcd_size,l_remaining_size; 2698 OPJ_BYTE * l_current_data = 00; 2699 2700 /* preconditions */ 2701 assert(p_j2k != 00); 2702 assert(p_manager != 00); 2703 assert(p_stream != 00); 2704 2705 l_qcd_size = 4 + opj_j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,0); 2706 l_remaining_size = l_qcd_size; 2707 2708 if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 2709 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size); 2710 if (! new_header_tile_data) { 2711 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 2712 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 2713 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 2714 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCD marker\n"); 2715 return OPJ_FALSE; 2716 } 2717 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 2718 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size; 2719 } 2720 2721 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 2722 2723 opj_write_bytes(l_current_data,J2K_MS_QCD,2); /* QCD */ 2724 l_current_data += 2; 2725 2726 opj_write_bytes(l_current_data,l_qcd_size-2,2); /* L_QCD */ 2727 l_current_data += 2; 2728 2729 l_remaining_size -= 4; 2730 2731 if (! opj_j2k_write_SQcd_SQcc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager)) { 2732 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n"); 2733 return OPJ_FALSE; 2734 } 2735 2736 if (l_remaining_size != 0) { 2737 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n"); 2738 return OPJ_FALSE; 2739 } 2740 2741 if (opj_stream_write_data(p_stream, p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_qcd_size,p_manager) != l_qcd_size) { 2742 return OPJ_FALSE; 2743 } 2744 2745 return OPJ_TRUE; 2746 } 2747 2748 /** 2749 * Reads a QCD marker (Quantization defaults) 2750 * @param p_header_data the data contained in the QCD box. 2751 * @param p_j2k the jpeg2000 codec. 2752 * @param p_header_size the size of the data contained in the QCD marker. 2753 * @param p_manager the user event manager. 2754 */ 2755 static OPJ_BOOL opj_j2k_read_qcd ( opj_j2k_t *p_j2k, 2756 OPJ_BYTE * p_header_data, 2757 OPJ_UINT32 p_header_size, 2758 opj_event_mgr_t * p_manager 2759 ) 2760 { 2761 /* preconditions */ 2762 assert(p_header_data != 00); 2763 assert(p_j2k != 00); 2764 assert(p_manager != 00); 2765 2766 if (! opj_j2k_read_SQcd_SQcc(p_j2k,0,p_header_data,&p_header_size,p_manager)) { 2767 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n"); 2768 return OPJ_FALSE; 2769 } 2770 2771 if (p_header_size != 0) { 2772 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n"); 2773 return OPJ_FALSE; 2774 } 2775 2776 /* Apply the quantization parameters to other components of the current tile or the m_default_tcp */ 2777 opj_j2k_copy_tile_quantization_parameters(p_j2k); 2778 2779 return OPJ_TRUE; 2780 } 2781 2782 #if 0 2783 OPJ_BOOL opj_j2k_write_qcc( opj_j2k_t *p_j2k, 2784 OPJ_UINT32 p_comp_no, 2785 opj_stream_private_t *p_stream, 2786 opj_event_mgr_t * p_manager 2787 ) 2788 { 2789 OPJ_UINT32 l_qcc_size,l_remaining_size; 2790 2791 /* preconditions */ 2792 assert(p_j2k != 00); 2793 assert(p_manager != 00); 2794 assert(p_stream != 00); 2795 2796 l_qcc_size = 5 + opj_j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no); 2797 l_qcc_size += p_j2k->m_private_image->numcomps <= 256 ? 0:1; 2798 l_remaining_size = l_qcc_size; 2799 2800 if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 2801 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size); 2802 if (! new_header_tile_data) { 2803 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 2804 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 2805 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 2806 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCC marker\n"); 2807 return OPJ_FALSE; 2808 } 2809 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 2810 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size; 2811 } 2812 2813 opj_j2k_write_qcc_in_memory(p_j2k,p_comp_no,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_remaining_size,p_manager); 2814 2815 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_qcc_size,p_manager) != l_qcc_size) { 2816 return OPJ_FALSE; 2817 } 2818 2819 return OPJ_TRUE; 2820 } 2821 #endif 2822 2823 #if 0 2824 void opj_j2k_write_qcc_in_memory( opj_j2k_t *p_j2k, 2825 OPJ_UINT32 p_comp_no, 2826 OPJ_BYTE * p_data, 2827 OPJ_UINT32 * p_data_written, 2828 opj_event_mgr_t * p_manager 2829 ) 2830 { 2831 OPJ_UINT32 l_qcc_size,l_remaining_size; 2832 OPJ_BYTE * l_current_data = 00; 2833 2834 /* preconditions */ 2835 assert(p_j2k != 00); 2836 assert(p_manager != 00); 2837 2838 l_qcc_size = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no); 2839 l_remaining_size = l_qcc_size; 2840 2841 l_current_data = p_data; 2842 2843 opj_write_bytes(l_current_data,J2K_MS_QCC,2); /* QCC */ 2844 l_current_data += 2; 2845 2846 if (p_j2k->m_private_image->numcomps <= 256) { 2847 --l_qcc_size; 2848 2849 opj_write_bytes(l_current_data,l_qcc_size-2,2); /* L_QCC */ 2850 l_current_data += 2; 2851 2852 opj_write_bytes(l_current_data, p_comp_no, 1); /* Cqcc */ 2853 ++l_current_data; 2854 2855 /* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */ 2856 l_remaining_size -= 6; 2857 } 2858 else { 2859 opj_write_bytes(l_current_data,l_qcc_size-2,2); /* L_QCC */ 2860 l_current_data += 2; 2861 2862 opj_write_bytes(l_current_data, p_comp_no, 2); /* Cqcc */ 2863 l_current_data+=2; 2864 2865 l_remaining_size -= 6; 2866 } 2867 2868 opj_j2k_write_SQcd_SQcc(p_j2k,p_j2k->m_current_tile_number,p_comp_no,l_current_data,&l_remaining_size,p_manager); 2869 2870 *p_data_written = l_qcc_size; 2871 } 2872 #endif 2873 2874 OPJ_UINT32 opj_j2k_get_max_qcc_size (opj_j2k_t *p_j2k) 2875 { 2876 return opj_j2k_get_max_coc_size(p_j2k); 2877 } 2878 2879 /** 2880 * Reads a QCC marker (Quantization component) 2881 * @param p_header_data the data contained in the QCC box. 2882 * @param p_j2k the jpeg2000 codec. 2883 * @param p_header_size the size of the data contained in the QCC marker. 2884 * @param p_manager the user event manager. 2885 */ 2886 static OPJ_BOOL opj_j2k_read_qcc( opj_j2k_t *p_j2k, 2887 OPJ_BYTE * p_header_data, 2888 OPJ_UINT32 p_header_size, 2889 opj_event_mgr_t * p_manager 2890 ) 2891 { 2892 OPJ_UINT32 l_num_comp,l_comp_no; 2893 2894 /* preconditions */ 2895 assert(p_header_data != 00); 2896 assert(p_j2k != 00); 2897 assert(p_manager != 00); 2898 2899 l_num_comp = p_j2k->m_private_image->numcomps; 2900 2901 if (l_num_comp <= 256) { 2902 if (p_header_size < 1) { 2903 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n"); 2904 return OPJ_FALSE; 2905 } 2906 opj_read_bytes(p_header_data,&l_comp_no,1); 2907 ++p_header_data; 2908 --p_header_size; 2909 } 2910 else { 2911 if (p_header_size < 2) { 2912 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n"); 2913 return OPJ_FALSE; 2914 } 2915 opj_read_bytes(p_header_data,&l_comp_no,2); 2916 p_header_data+=2; 2917 p_header_size-=2; 2918 } 2919 2920 #ifdef USE_JPWL 2921 if (p_j2k->m_cp.correct) { 2922 2923 static OPJ_UINT32 backup_compno = 0; 2924 2925 /* compno is negative or larger than the number of components!!! */ 2926 if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) { 2927 opj_event_msg(p_manager, EVT_ERROR, 2928 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n", 2929 l_comp_no, l_num_comp); 2930 if (!JPWL_ASSUME) { 2931 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); 2932 return OPJ_FALSE; 2933 } 2934 /* we try to correct */ 2935 l_comp_no = backup_compno % l_num_comp; 2936 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n" 2937 "- setting component number to %d\n", 2938 l_comp_no); 2939 } 2940 2941 /* keep your private count of tiles */ 2942 backup_compno++; 2943 }; 2944 #endif /* USE_JPWL */ 2945 2946 if (l_comp_no >= p_j2k->m_private_image->numcomps) { 2947 opj_event_msg(p_manager, EVT_ERROR, 2948 "Invalid component number: %d, regarding the number of components %d\n", 2949 l_comp_no, p_j2k->m_private_image->numcomps); 2950 return OPJ_FALSE; 2951 } 2952 2953 if (! opj_j2k_read_SQcd_SQcc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager)) { 2954 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n"); 2955 return OPJ_FALSE; 2956 } 2957 2958 if (p_header_size != 0) { 2959 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n"); 2960 return OPJ_FALSE; 2961 } 2962 2963 return OPJ_TRUE; 2964 } 2965 2966 OPJ_BOOL opj_j2k_write_poc( opj_j2k_t *p_j2k, 2967 opj_stream_private_t *p_stream, 2968 opj_event_mgr_t * p_manager 2969 ) 2970 { 2971 OPJ_UINT32 l_nb_comp; 2972 OPJ_UINT32 l_nb_poc; 2973 OPJ_UINT32 l_poc_size; 2974 OPJ_UINT32 l_written_size = 0; 2975 opj_tcp_t *l_tcp = 00; 2976 OPJ_UINT32 l_poc_room; 2977 2978 /* preconditions */ 2979 assert(p_j2k != 00); 2980 assert(p_manager != 00); 2981 assert(p_stream != 00); 2982 2983 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]; 2984 l_nb_comp = p_j2k->m_private_image->numcomps; 2985 l_nb_poc = 1 + l_tcp->numpocs; 2986 2987 if (l_nb_comp <= 256) { 2988 l_poc_room = 1; 2989 } 2990 else { 2991 l_poc_room = 2; 2992 } 2993 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc; 2994 2995 if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 2996 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size); 2997 if (! new_header_tile_data) { 2998 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 2999 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 3000 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 3001 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write POC marker\n"); 3002 return OPJ_FALSE; 3003 } 3004 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 3005 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size; 3006 } 3007 3008 opj_j2k_write_poc_in_memory(p_j2k,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_written_size,p_manager); 3009 3010 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_poc_size,p_manager) != l_poc_size) { 3011 return OPJ_FALSE; 3012 } 3013 3014 return OPJ_TRUE; 3015 } 3016 3017 void opj_j2k_write_poc_in_memory( opj_j2k_t *p_j2k, 3018 OPJ_BYTE * p_data, 3019 OPJ_UINT32 * p_data_written, 3020 opj_event_mgr_t * p_manager 3021 ) 3022 { 3023 OPJ_UINT32 i; 3024 OPJ_BYTE * l_current_data = 00; 3025 OPJ_UINT32 l_nb_comp; 3026 OPJ_UINT32 l_nb_poc; 3027 OPJ_UINT32 l_poc_size; 3028 opj_image_t *l_image = 00; 3029 opj_tcp_t *l_tcp = 00; 3030 opj_tccp_t *l_tccp = 00; 3031 opj_poc_t *l_current_poc = 00; 3032 OPJ_UINT32 l_poc_room; 3033 3034 /* preconditions */ 3035 assert(p_j2k != 00); 3036 assert(p_manager != 00); 3037 3038 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]; 3039 l_tccp = &l_tcp->tccps[0]; 3040 l_image = p_j2k->m_private_image; 3041 l_nb_comp = l_image->numcomps; 3042 l_nb_poc = 1 + l_tcp->numpocs; 3043 3044 if (l_nb_comp <= 256) { 3045 l_poc_room = 1; 3046 } 3047 else { 3048 l_poc_room = 2; 3049 } 3050 3051 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc; 3052 3053 l_current_data = p_data; 3054 3055 opj_write_bytes(l_current_data,J2K_MS_POC,2); /* POC */ 3056 l_current_data += 2; 3057 3058 opj_write_bytes(l_current_data,l_poc_size-2,2); /* Lpoc */ 3059 l_current_data += 2; 3060 3061 l_current_poc = l_tcp->pocs; 3062 for (i = 0; i < l_nb_poc; ++i) { 3063 opj_write_bytes(l_current_data,l_current_poc->resno0,1); /* RSpoc_i */ 3064 ++l_current_data; 3065 3066 opj_write_bytes(l_current_data,l_current_poc->compno0,l_poc_room); /* CSpoc_i */ 3067 l_current_data+=l_poc_room; 3068 3069 opj_write_bytes(l_current_data,l_current_poc->layno1,2); /* LYEpoc_i */ 3070 l_current_data+=2; 3071 3072 opj_write_bytes(l_current_data,l_current_poc->resno1,1); /* REpoc_i */ 3073 ++l_current_data; 3074 3075 opj_write_bytes(l_current_data,l_current_poc->compno1,l_poc_room); /* CEpoc_i */ 3076 l_current_data+=l_poc_room; 3077 3078 opj_write_bytes(l_current_data,l_current_poc->prg,1); /* Ppoc_i */ 3079 ++l_current_data; 3080 3081 /* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/ 3082 l_current_poc->layno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)l_current_poc->layno1, (OPJ_INT32)l_tcp->numlayers); 3083 l_current_poc->resno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)l_current_poc->resno1, (OPJ_INT32)l_tccp->numresolutions); 3084 l_current_poc->compno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)l_current_poc->compno1, (OPJ_INT32)l_nb_comp); 3085 3086 ++l_current_poc; 3087 } 3088 3089 *p_data_written = l_poc_size; 3090 } 3091 3092 OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k) 3093 { 3094 opj_tcp_t * l_tcp = 00; 3095 OPJ_UINT32 l_nb_tiles = 0; 3096 OPJ_UINT32 l_max_poc = 0; 3097 OPJ_UINT32 i; 3098 3099 l_tcp = p_j2k->m_cp.tcps; 3100 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw; 3101 3102 for (i=0;i<l_nb_tiles;++i) { 3103 l_max_poc = opj_uint_max(l_max_poc,l_tcp->numpocs); 3104 ++l_tcp; 3105 } 3106 3107 ++l_max_poc; 3108 3109 return 4 + 9 * l_max_poc; 3110 } 3111 3112 OPJ_UINT32 opj_j2k_get_max_toc_size (opj_j2k_t *p_j2k) 3113 { 3114 OPJ_UINT32 i; 3115 OPJ_UINT32 l_nb_tiles; 3116 OPJ_UINT32 l_max = 0; 3117 opj_tcp_t * l_tcp = 00; 3118 3119 l_tcp = p_j2k->m_cp.tcps; 3120 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ; 3121 3122 for (i=0;i<l_nb_tiles;++i) { 3123 l_max = opj_uint_max(l_max,l_tcp->m_nb_tile_parts); 3124 3125 ++l_tcp; 3126 } 3127 3128 return 12 * l_max; 3129 } 3130 3131 OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k) 3132 { 3133 OPJ_UINT32 l_nb_bytes = 0; 3134 OPJ_UINT32 l_nb_comps; 3135 OPJ_UINT32 l_coc_bytes,l_qcc_bytes; 3136 3137 l_nb_comps = p_j2k->m_private_image->numcomps - 1; 3138 l_nb_bytes += opj_j2k_get_max_toc_size(p_j2k); 3139 3140 if (!(OPJ_IS_CINEMA(p_j2k->m_cp.rsiz))) { 3141 l_coc_bytes = opj_j2k_get_max_coc_size(p_j2k); 3142 l_nb_bytes += l_nb_comps * l_coc_bytes; 3143 3144 l_qcc_bytes = opj_j2k_get_max_qcc_size(p_j2k); 3145 l_nb_bytes += l_nb_comps * l_qcc_bytes; 3146 } 3147 3148 l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k); 3149 3150 /*** DEVELOPER CORNER, Add room for your headers ***/ 3151 3152 return l_nb_bytes; 3153 } 3154 3155 /** 3156 * Reads a POC marker (Progression Order Change) 3157 * 3158 * @param p_header_data the data contained in the POC box. 3159 * @param p_j2k the jpeg2000 codec. 3160 * @param p_header_size the size of the data contained in the POC marker. 3161 * @param p_manager the user event manager. 3162 */ 3163 static OPJ_BOOL opj_j2k_read_poc ( opj_j2k_t *p_j2k, 3164 OPJ_BYTE * p_header_data, 3165 OPJ_UINT32 p_header_size, 3166 opj_event_mgr_t * p_manager 3167 ) 3168 { 3169 OPJ_UINT32 i, l_nb_comp, l_tmp; 3170 opj_image_t * l_image = 00; 3171 OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining; 3172 OPJ_UINT32 l_chunk_size, l_comp_room; 3173 3174 opj_cp_t *l_cp = 00; 3175 opj_tcp_t *l_tcp = 00; 3176 opj_poc_t *l_current_poc = 00; 3177 3178 /* preconditions */ 3179 assert(p_header_data != 00); 3180 assert(p_j2k != 00); 3181 assert(p_manager != 00); 3182 3183 l_image = p_j2k->m_private_image; 3184 l_nb_comp = l_image->numcomps; 3185 if (l_nb_comp <= 256) { 3186 l_comp_room = 1; 3187 } 3188 else { 3189 l_comp_room = 2; 3190 } 3191 l_chunk_size = 5 + 2 * l_comp_room; 3192 l_current_poc_nb = p_header_size / l_chunk_size; 3193 l_current_poc_remaining = p_header_size % l_chunk_size; 3194 3195 if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) { 3196 opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n"); 3197 return OPJ_FALSE; 3198 } 3199 3200 l_cp = &(p_j2k->m_cp); 3201 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? 3202 &l_cp->tcps[p_j2k->m_current_tile_number] : 3203 p_j2k->m_specific_param.m_decoder.m_default_tcp; 3204 l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0; 3205 l_current_poc_nb += l_old_poc_nb; 3206 3207 if(l_current_poc_nb >= 32) 3208 { 3209 opj_event_msg(p_manager, EVT_ERROR, "Too many POCs %d\n", l_current_poc_nb); 3210 return OPJ_FALSE; 3211 } 3212 assert(l_current_poc_nb < 32); 3213 3214 /* now poc is in use.*/ 3215 l_tcp->POC = 1; 3216 3217 l_current_poc = &l_tcp->pocs[l_old_poc_nb]; 3218 for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) { 3219 opj_read_bytes(p_header_data,&(l_current_poc->resno0),1); /* RSpoc_i */ 3220 ++p_header_data; 3221 opj_read_bytes(p_header_data,&(l_current_poc->compno0),l_comp_room); /* CSpoc_i */ 3222 p_header_data+=l_comp_room; 3223 opj_read_bytes(p_header_data,&(l_current_poc->layno1),2); /* LYEpoc_i */ 3224 /* make sure layer end is in acceptable bounds */ 3225 l_current_poc->layno1 = opj_uint_min(l_current_poc->layno1, l_tcp->numlayers); 3226 p_header_data+=2; 3227 opj_read_bytes(p_header_data,&(l_current_poc->resno1),1); /* REpoc_i */ 3228 ++p_header_data; 3229 opj_read_bytes(p_header_data,&(l_current_poc->compno1),l_comp_room); /* CEpoc_i */ 3230 p_header_data+=l_comp_room; 3231 opj_read_bytes(p_header_data,&l_tmp,1); /* Ppoc_i */ 3232 ++p_header_data; 3233 l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp; 3234 /* make sure comp is in acceptable bounds */ 3235 l_current_poc->compno1 = opj_uint_min(l_current_poc->compno1, l_nb_comp); 3236 ++l_current_poc; 3237 } 3238 3239 l_tcp->numpocs = l_current_poc_nb - 1; 3240 return OPJ_TRUE; 3241 } 3242 3243 /** 3244 * Reads a CRG marker (Component registration) 3245 * 3246 * @param p_header_data the data contained in the TLM box. 3247 * @param p_j2k the jpeg2000 codec. 3248 * @param p_header_size the size of the data contained in the TLM marker. 3249 * @param p_manager the user event manager. 3250 */ 3251 static OPJ_BOOL opj_j2k_read_crg ( opj_j2k_t *p_j2k, 3252 OPJ_BYTE * p_header_data, 3253 OPJ_UINT32 p_header_size, 3254 opj_event_mgr_t * p_manager 3255 ) 3256 { 3257 OPJ_UINT32 l_nb_comp; 3258 /* preconditions */ 3259 assert(p_header_data != 00); 3260 assert(p_j2k != 00); 3261 assert(p_manager != 00); 3262 3263 l_nb_comp = p_j2k->m_private_image->numcomps; 3264 3265 if (p_header_size != l_nb_comp *4) { 3266 opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n"); 3267 return OPJ_FALSE; 3268 } 3269 /* Do not care of this at the moment since only local variables are set here */ 3270 /* 3271 for 3272 (i = 0; i < l_nb_comp; ++i) 3273 { 3274 opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i 3275 p_header_data+=2; 3276 opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i 3277 p_header_data+=2; 3278 } 3279 */ 3280 return OPJ_TRUE; 3281 } 3282 3283 /** 3284 * Reads a TLM marker (Tile Length Marker) 3285 * 3286 * @param p_header_data the data contained in the TLM box. 3287 * @param p_j2k the jpeg2000 codec. 3288 * @param p_header_size the size of the data contained in the TLM marker. 3289 * @param p_manager the user event manager. 3290 */ 3291 static OPJ_BOOL opj_j2k_read_tlm ( opj_j2k_t *p_j2k, 3292 OPJ_BYTE * p_header_data, 3293 OPJ_UINT32 p_header_size, 3294 opj_event_mgr_t * p_manager 3295 ) 3296 { 3297 OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp_remaining, l_quotient, l_Ptlm_size; 3298 /* preconditions */ 3299 assert(p_header_data != 00); 3300 assert(p_j2k != 00); 3301 assert(p_manager != 00); 3302 3303 if (p_header_size < 2) { 3304 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n"); 3305 return OPJ_FALSE; 3306 } 3307 p_header_size -= 2; 3308 3309 opj_read_bytes(p_header_data,&l_Ztlm,1); /* Ztlm */ 3310 ++p_header_data; 3311 opj_read_bytes(p_header_data,&l_Stlm,1); /* Stlm */ 3312 ++p_header_data; 3313 3314 l_ST = ((l_Stlm >> 4) & 0x3); 3315 l_SP = (l_Stlm >> 6) & 0x1; 3316 3317 l_Ptlm_size = (l_SP + 1) * 2; 3318 l_quotient = l_Ptlm_size + l_ST; 3319 3320 l_tot_num_tp_remaining = p_header_size % l_quotient; 3321 3322 if (l_tot_num_tp_remaining != 0) { 3323 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n"); 3324 return OPJ_FALSE; 3325 } 3326 /* FIXME Do not care of this at the moment since only local variables are set here */ 3327 /* 3328 for 3329 (i = 0; i < l_tot_num_tp; ++i) 3330 { 3331 opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST); // Ttlm_i 3332 p_header_data += l_ST; 3333 opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size); // Ptlm_i 3334 p_header_data += l_Ptlm_size; 3335 }*/ 3336 return OPJ_TRUE; 3337 } 3338 3339 /** 3340 * Reads a PLM marker (Packet length, main header marker) 3341 * 3342 * @param p_header_data the data contained in the TLM box. 3343 * @param p_j2k the jpeg2000 codec. 3344 * @param p_header_size the size of the data contained in the TLM marker. 3345 * @param p_manager the user event manager. 3346 */ 3347 static OPJ_BOOL opj_j2k_read_plm ( opj_j2k_t *p_j2k, 3348 OPJ_BYTE * p_header_data, 3349 OPJ_UINT32 p_header_size, 3350 opj_event_mgr_t * p_manager 3351 ) 3352 { 3353 /* preconditions */ 3354 assert(p_header_data != 00); 3355 assert(p_j2k != 00); 3356 assert(p_manager != 00); 3357 3358 if (p_header_size < 1) { 3359 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n"); 3360 return OPJ_FALSE; 3361 } 3362 /* Do not care of this at the moment since only local variables are set here */ 3363 /* 3364 opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm 3365 ++p_header_data; 3366 --p_header_size; 3367 3368 while 3369 (p_header_size > 0) 3370 { 3371 opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm 3372 ++p_header_data; 3373 p_header_size -= (1+l_Nplm); 3374 if 3375 (p_header_size < 0) 3376 { 3377 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n"); 3378 return false; 3379 } 3380 for 3381 (i = 0; i < l_Nplm; ++i) 3382 { 3383 opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij 3384 ++p_header_data; 3385 // take only the last seven bytes 3386 l_packet_len |= (l_tmp & 0x7f); 3387 if 3388 (l_tmp & 0x80) 3389 { 3390 l_packet_len <<= 7; 3391 } 3392 else 3393 { 3394 // store packet length and proceed to next packet 3395 l_packet_len = 0; 3396 } 3397 } 3398 if 3399 (l_packet_len != 0) 3400 { 3401 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n"); 3402 return false; 3403 } 3404 } 3405 */ 3406 return OPJ_TRUE; 3407 } 3408 3409 /** 3410 * Reads a PLT marker (Packet length, tile-part header) 3411 * 3412 * @param p_header_data the data contained in the PLT box. 3413 * @param p_j2k the jpeg2000 codec. 3414 * @param p_header_size the size of the data contained in the PLT marker. 3415 * @param p_manager the user event manager. 3416 */ 3417 static OPJ_BOOL opj_j2k_read_plt ( opj_j2k_t *p_j2k, 3418 OPJ_BYTE * p_header_data, 3419 OPJ_UINT32 p_header_size, 3420 opj_event_mgr_t * p_manager 3421 ) 3422 { 3423 OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i; 3424 3425 /* preconditions */ 3426 assert(p_header_data != 00); 3427 assert(p_j2k != 00); 3428 assert(p_manager != 00); 3429 3430 if (p_header_size < 1) { 3431 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n"); 3432 return OPJ_FALSE; 3433 } 3434 3435 opj_read_bytes(p_header_data,&l_Zplt,1); /* Zplt */ 3436 ++p_header_data; 3437 --p_header_size; 3438 3439 for (i = 0; i < p_header_size; ++i) { 3440 opj_read_bytes(p_header_data,&l_tmp,1); /* Iplt_ij */ 3441 ++p_header_data; 3442 /* take only the last seven bytes */ 3443 l_packet_len |= (l_tmp & 0x7f); 3444 if (l_tmp & 0x80) { 3445 l_packet_len <<= 7; 3446 } 3447 else { 3448 /* store packet length and proceed to next packet */ 3449 l_packet_len = 0; 3450 } 3451 } 3452 3453 if (l_packet_len != 0) { 3454 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n"); 3455 return OPJ_FALSE; 3456 } 3457 3458 return OPJ_TRUE; 3459 } 3460 3461 #if 0 3462 OPJ_BOOL j2k_read_ppm_v2 ( 3463 opj_j2k_t *p_j2k, 3464 OPJ_BYTE * p_header_data, 3465 OPJ_UINT32 p_header_size, 3466 struct opj_event_mgr * p_manager 3467 ) 3468 { 3469 3470 opj_cp_t *l_cp = 00; 3471 OPJ_UINT32 l_remaining_data, l_Z_ppm, l_N_ppm; 3472 3473 /* preconditions */ 3474 assert(p_header_data != 00); 3475 assert(p_j2k != 00); 3476 assert(p_manager != 00); 3477 3478 if (p_header_size < 1) { 3479 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n"); 3480 return OPJ_FALSE; 3481 } 3482 3483 l_cp = &(p_j2k->m_cp); 3484 l_cp->ppm = 1; 3485 3486 opj_read_bytes(p_header_data,&l_Z_ppm,1); /* Z_ppm */ 3487 ++p_header_data; 3488 --p_header_size; 3489 3490 /* First PPM marker */ 3491 if (l_Z_ppm == 0) { 3492 if (p_header_size < 4) { 3493 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n"); 3494 return OPJ_FALSE; 3495 } 3496 3497 opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */ 3498 p_header_data+=4; 3499 p_header_size-=4; 3500 3501 /* First PPM marker: Initialization */ 3502 l_cp->ppm_len = l_N_ppm; 3503 l_cp->ppm_data_size = 0; 3504 3505 l_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_cp->ppm_len); 3506 if (l_cp->ppm_buffer == 00) { 3507 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n"); 3508 return OPJ_FALSE; 3509 } 3510 memset(l_cp->ppm_buffer,0,l_cp->ppm_len); 3511 3512 l_cp->ppm_data = l_cp->ppm_buffer; 3513 } 3514 3515 while (1) { 3516 if (l_cp->ppm_data_size == l_cp->ppm_len) { 3517 if (p_header_size >= 4) { 3518 /* read a N_ppm */ 3519 opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */ 3520 p_header_data+=4; 3521 p_header_size-=4; 3522 l_cp->ppm_len += l_N_ppm ; 3523 3524 OPJ_BYTE *new_ppm_buffer = (OPJ_BYTE *) opj_realloc(l_cp->ppm_buffer, l_cp->ppm_len); 3525 if (! new_ppm_buffer) { 3526 opj_free(l_cp->ppm_buffer); 3527 l_cp->ppm_buffer = NULL; 3528 l_cp->ppm_len = 0; 3529 l_cp->ppm_data = NULL; 3530 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n"); 3531 return OPJ_FALSE; 3532 } 3533 l_cp->ppm_buffer = new_ppm_buffer; 3534 memset(l_cp->ppm_buffer+l_cp->ppm_data_size,0,l_N_ppm); 3535 l_cp->ppm_data = l_cp->ppm_buffer; 3536 } 3537 else { 3538 return OPJ_FALSE; 3539 } 3540 } 3541 3542 l_remaining_data = l_cp->ppm_len - l_cp->ppm_data_size; 3543 3544 if (l_remaining_data <= p_header_size) { 3545 /* we must store less information than available in the packet */ 3546 memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , l_remaining_data); 3547 l_cp->ppm_data_size = l_cp->ppm_len; 3548 p_header_size -= l_remaining_data; 3549 p_header_data += l_remaining_data; 3550 } 3551 else { 3552 memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , p_header_size); 3553 l_cp->ppm_data_size += p_header_size; 3554 p_header_data += p_header_size; 3555 p_header_size = 0; 3556 break; 3557 } 3558 } 3559 3560 return OPJ_TRUE; 3561 } 3562 #endif 3563 3564 OPJ_BOOL j2k_read_ppm_v3 ( 3565 opj_j2k_t *p_j2k, 3566 OPJ_BYTE * p_header_data, 3567 OPJ_UINT32 p_header_size, 3568 struct opj_event_mgr * p_manager 3569 ) 3570 { 3571 opj_cp_t *l_cp = 00; 3572 OPJ_UINT32 l_remaining_data, l_Z_ppm, l_N_ppm; 3573 3574 /* preconditions */ 3575 assert(p_header_data != 00); 3576 assert(p_j2k != 00); 3577 assert(p_manager != 00); 3578 3579 /* Minimum size of PPM marker is equal to the size of Zppm element */ 3580 if (p_header_size < 1) { 3581 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n"); 3582 return OPJ_FALSE; 3583 } 3584 3585 l_cp = &(p_j2k->m_cp); 3586 l_cp->ppm = 1; 3587 3588 opj_read_bytes(p_header_data,&l_Z_ppm,1); /* Z_ppm */ 3589 ++p_header_data; 3590 --p_header_size; 3591 3592 /* First PPM marker */ 3593 if (l_Z_ppm == 0) { 3594 if (l_cp->ppm_data != NULL) { 3595 opj_event_msg(p_manager, EVT_ERROR, "Zppm O already processed. Found twice.\n"); 3596 opj_free(l_cp->ppm_data); 3597 l_cp->ppm_data = NULL; 3598 l_cp->ppm_buffer = NULL; 3599 l_cp->ppm = 0; /* do not use PPM */ 3600 return OPJ_FALSE; 3601 } 3602 /* We need now at least the Nppm^0 element */ 3603 if (p_header_size < 4) { 3604 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n"); 3605 return OPJ_FALSE; 3606 } 3607 3608 opj_read_bytes(p_header_data,&l_N_ppm,4); /* First N_ppm */ 3609 p_header_data+=4; 3610 p_header_size-=4; 3611 3612 /* sanity check: how much bytes is left for Ippm */ 3613 if( p_header_size < l_N_ppm ) 3614 { 3615 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes (%u) to hold Ippm series (%u), Index (%d)\n", p_header_size, l_N_ppm, l_Z_ppm ); 3616 opj_free(l_cp->ppm_data); 3617 l_cp->ppm_data = NULL; 3618 l_cp->ppm_buffer = NULL; 3619 l_cp->ppm = 0; /* do not use PPM */ 3620 return OPJ_FALSE; 3621 } 3622 3623 /* First PPM marker: Initialization */ 3624 l_cp->ppm_len = l_N_ppm; 3625 l_cp->ppm_data_read = 0; 3626 3627 l_cp->ppm_data = (OPJ_BYTE *) opj_calloc(1,l_cp->ppm_len); 3628 l_cp->ppm_buffer = l_cp->ppm_data; 3629 if (l_cp->ppm_data == 00) { 3630 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read ppm marker\n"); 3631 return OPJ_FALSE; 3632 } 3633 3634 l_cp->ppm_data_current = l_cp->ppm_data; 3635 3636 /*l_cp->ppm_data = l_cp->ppm_buffer;*/ 3637 } 3638 else { 3639 if (p_header_size < 4) { 3640 opj_event_msg(p_manager, EVT_WARNING, "Empty PPM marker\n"); 3641 return OPJ_TRUE; 3642 } 3643 else { 3644 /* Uncompleted Ippm series in the previous PPM marker?*/ 3645 if (l_cp->ppm_data_read < l_cp->ppm_len) { 3646 /* Get the place where add the remaining Ippm series*/ 3647 l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_data_read]); 3648 l_N_ppm = l_cp->ppm_len - l_cp->ppm_data_read; 3649 } 3650 else { 3651 OPJ_BYTE *new_ppm_data; 3652 opj_read_bytes(p_header_data,&l_N_ppm,4); /* First N_ppm */ 3653 p_header_data+=4; 3654 p_header_size-=4; 3655 3656 /* sanity check: how much bytes is left for Ippm */ 3657 if( p_header_size < l_N_ppm ) 3658 { 3659 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes (%u) to hold Ippm series (%u), Index (%d)\n", p_header_size, l_N_ppm, l_Z_ppm ); 3660 opj_free(l_cp->ppm_data); 3661 l_cp->ppm_data = NULL; 3662 l_cp->ppm_buffer = NULL; 3663 l_cp->ppm = 0; /* do not use PPM */ 3664 return OPJ_FALSE; 3665 } 3666 /* Increase the size of ppm_data to add the new Ippm series*/ 3667 assert(l_cp->ppm_data == l_cp->ppm_buffer && "We need ppm_data and ppm_buffer to be the same when reallocating"); 3668 new_ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm); 3669 if (! new_ppm_data) { 3670 opj_free(l_cp->ppm_data); 3671 l_cp->ppm_data = NULL; 3672 l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */ 3673 l_cp->ppm_len = 0; 3674 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to increase the size of ppm_data to add the new Ippm series\n"); 3675 return OPJ_FALSE; 3676 } 3677 l_cp->ppm_data = new_ppm_data; 3678 l_cp->ppm_buffer = l_cp->ppm_data; 3679 3680 /* Keep the position of the place where concatenate the new series*/ 3681 l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]); 3682 l_cp->ppm_len += l_N_ppm; 3683 } 3684 } 3685 } 3686 3687 l_remaining_data = p_header_size; 3688 3689 while (l_remaining_data >= l_N_ppm) { 3690 /* read a complete Ippm series*/ 3691 memcpy(l_cp->ppm_data_current, p_header_data, l_N_ppm); 3692 p_header_size -= l_N_ppm; 3693 p_header_data += l_N_ppm; 3694 3695 l_cp->ppm_data_read += l_N_ppm; /* Increase the number of data read*/ 3696 3697 if (p_header_size) 3698 { 3699 if (p_header_size < 4) { 3700 opj_free(l_cp->ppm_data); 3701 l_cp->ppm_data = NULL; 3702 l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */ 3703 l_cp->ppm_len = 0; 3704 l_cp->ppm = 0; 3705 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n"); 3706 return OPJ_FALSE; 3707 } 3708 opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm^i */ 3709 p_header_data+=4; 3710 p_header_size-=4; 3711 } 3712 else { 3713 l_remaining_data = p_header_size; 3714 break; 3715 } 3716 3717 l_remaining_data = p_header_size; 3718 3719 /* Next Ippm series is a complete series ?*/ 3720 if (l_remaining_data >= l_N_ppm) { 3721 OPJ_BYTE *new_ppm_data; 3722 /* Increase the size of ppm_data to add the new Ippm series*/ 3723 assert(l_cp->ppm_data == l_cp->ppm_buffer && "We need ppm_data and ppm_buffer to be the same when reallocating"); 3724 /* Overflow check */ 3725 if ((l_cp->ppm_len + l_N_ppm) < l_N_ppm) { 3726 opj_free(l_cp->ppm_data); 3727 l_cp->ppm_data = NULL; 3728 l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */ 3729 l_cp->ppm_len = 0; 3730 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to increase the size of ppm_data to add the new (complete) Ippm series\n"); 3731 return OPJ_FALSE; 3732 } 3733 new_ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm); 3734 if (! new_ppm_data) { 3735 opj_free(l_cp->ppm_data); 3736 l_cp->ppm_data = NULL; 3737 l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */ 3738 l_cp->ppm_len = 0; 3739 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to increase the size of ppm_data to add the new (complete) Ippm series\n"); 3740 return OPJ_FALSE; 3741 } 3742 l_cp->ppm_data = new_ppm_data; 3743 l_cp->ppm_buffer = l_cp->ppm_data; 3744 3745 /* Keep the position of the place where concatenate the new series */ 3746 l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]); 3747 l_cp->ppm_len += l_N_ppm; 3748 } 3749 3750 } 3751 3752 /* Need to read an incomplete Ippm series*/ 3753 if (l_remaining_data) { 3754 OPJ_BYTE *new_ppm_data; 3755 assert(l_cp->ppm_data == l_cp->ppm_buffer && "We need ppm_data and ppm_buffer to be the same when reallocating"); 3756 3757 /* Overflow check */ 3758 if ((l_cp->ppm_len + l_N_ppm) < l_N_ppm) { 3759 opj_free(l_cp->ppm_data); 3760 l_cp->ppm_data = NULL; 3761 l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */ 3762 l_cp->ppm_len = 0; 3763 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to increase the size of ppm_data to add the new (complete) Ippm series\n"); 3764 return OPJ_FALSE; 3765 } 3766 new_ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm); 3767 if (! new_ppm_data) { 3768 opj_free(l_cp->ppm_data); 3769 l_cp->ppm_data = NULL; 3770 l_cp->ppm_buffer = NULL; /* TODO: no need for a new local variable: ppm_buffer and ppm_data are enough */ 3771 l_cp->ppm_len = 0; 3772 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to increase the size of ppm_data to add the new (incomplete) Ippm series\n"); 3773 return OPJ_FALSE; 3774 } 3775 l_cp->ppm_data = new_ppm_data; 3776 l_cp->ppm_buffer = l_cp->ppm_data; 3777 3778 /* Keep the position of the place where concatenate the new series*/ 3779 l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]); 3780 l_cp->ppm_len += l_N_ppm; 3781 3782 /* Read incomplete Ippm series*/ 3783 memcpy(l_cp->ppm_data_current, p_header_data, l_remaining_data); 3784 p_header_size -= l_remaining_data; 3785 p_header_data += l_remaining_data; 3786 3787 l_cp->ppm_data_read += l_remaining_data; /* Increase the number of data read*/ 3788 } 3789 3790 #ifdef CLEAN_MSD 3791 3792 if (l_cp->ppm_data_size == l_cp->ppm_len) { 3793 if (p_header_size >= 4) { 3794 /* read a N_ppm*/ 3795 opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */ 3796 p_header_data+=4; 3797 p_header_size-=4; 3798 l_cp->ppm_len += l_N_ppm ; 3799 3800 OPJ_BYTE *new_ppm_buffer = (OPJ_BYTE *) opj_realloc(l_cp->ppm_buffer, l_cp->ppm_len); 3801 if (! new_ppm_buffer) { 3802 opj_free(l_cp->ppm_buffer); 3803 l_cp->ppm_buffer = NULL; 3804 l_cp->ppm_len = 0; 3805 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read ppm marker\n"); 3806 return OPJ_FALSE; 3807 } 3808 l_cp->ppm_buffer = new_ppm_buffer; 3809 memset(l_cp->ppm_buffer+l_cp->ppm_data_size,0,l_N_ppm); 3810 3811 l_cp->ppm_data = l_cp->ppm_buffer; 3812 } 3813 else { 3814 return OPJ_FALSE; 3815 } 3816 } 3817 3818 l_remaining_data = l_cp->ppm_len - l_cp->ppm_data_size; 3819 3820 if (l_remaining_data <= p_header_size) { 3821 /* we must store less information than available in the packet */ 3822 memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , l_remaining_data); 3823 l_cp->ppm_data_size = l_cp->ppm_len; 3824 p_header_size -= l_remaining_data; 3825 p_header_data += l_remaining_data; 3826 } 3827 else { 3828 memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , p_header_size); 3829 l_cp->ppm_data_size += p_header_size; 3830 p_header_data += p_header_size; 3831 p_header_size = 0; 3832 break; 3833 } 3834 } 3835 #endif 3836 return OPJ_TRUE; 3837 } 3838 3839 /** 3840 * Reads a PPT marker (Packed packet headers, tile-part header) 3841 * 3842 * @param p_header_data the data contained in the PPT box. 3843 * @param p_j2k the jpeg2000 codec. 3844 * @param p_header_size the size of the data contained in the PPT marker. 3845 * @param p_manager the user event manager. 3846 */ 3847 static OPJ_BOOL opj_j2k_read_ppt ( opj_j2k_t *p_j2k, 3848 OPJ_BYTE * p_header_data, 3849 OPJ_UINT32 p_header_size, 3850 opj_event_mgr_t * p_manager 3851 ) 3852 { 3853 opj_cp_t *l_cp = 00; 3854 opj_tcp_t *l_tcp = 00; 3855 OPJ_UINT32 l_Z_ppt; 3856 3857 /* preconditions */ 3858 assert(p_header_data != 00); 3859 assert(p_j2k != 00); 3860 assert(p_manager != 00); 3861 3862 /* We need to have the Z_ppt element at minimum */ 3863 if (p_header_size < 1) { 3864 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n"); 3865 return OPJ_FALSE; 3866 } 3867 3868 l_cp = &(p_j2k->m_cp); 3869 if (l_cp->ppm){ 3870 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n"); 3871 return OPJ_FALSE; 3872 } 3873 3874 l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]); 3875 l_tcp->ppt = 1; 3876 3877 opj_read_bytes(p_header_data,&l_Z_ppt,1); /* Z_ppt */ 3878 ++p_header_data; 3879 --p_header_size; 3880 3881 /* Allocate buffer to read the packet header */ 3882 if (l_Z_ppt == 0) { 3883 /* First PPT marker */ 3884 l_tcp->ppt_data_size = 0; 3885 l_tcp->ppt_len = p_header_size; 3886 3887 opj_free(l_tcp->ppt_buffer); 3888 l_tcp->ppt_buffer = (OPJ_BYTE *) opj_calloc(l_tcp->ppt_len, sizeof(OPJ_BYTE) ); 3889 if (l_tcp->ppt_buffer == 00) { 3890 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n"); 3891 return OPJ_FALSE; 3892 } 3893 l_tcp->ppt_data = l_tcp->ppt_buffer; 3894 3895 /* memset(l_tcp->ppt_buffer,0,l_tcp->ppt_len); */ 3896 } 3897 else { 3898 OPJ_BYTE *new_ppt_buffer; 3899 l_tcp->ppt_len += p_header_size; 3900 3901 new_ppt_buffer = (OPJ_BYTE *) opj_realloc(l_tcp->ppt_buffer, l_tcp->ppt_len); 3902 if (! new_ppt_buffer) { 3903 opj_free(l_tcp->ppt_buffer); 3904 l_tcp->ppt_buffer = NULL; 3905 l_tcp->ppt_len = 0; 3906 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n"); 3907 return OPJ_FALSE; 3908 } 3909 l_tcp->ppt_buffer = new_ppt_buffer; 3910 l_tcp->ppt_data = l_tcp->ppt_buffer; 3911 3912 memset(l_tcp->ppt_buffer+l_tcp->ppt_data_size,0,p_header_size); 3913 } 3914 3915 /* Read packet header from buffer */ 3916 memcpy(l_tcp->ppt_buffer+l_tcp->ppt_data_size,p_header_data,p_header_size); 3917 3918 l_tcp->ppt_data_size += p_header_size; 3919 3920 return OPJ_TRUE; 3921 } 3922 3923 OPJ_BOOL opj_j2k_write_tlm( opj_j2k_t *p_j2k, 3924 opj_stream_private_t *p_stream, 3925 opj_event_mgr_t * p_manager 3926 ) 3927 { 3928 OPJ_BYTE * l_current_data = 00; 3929 OPJ_UINT32 l_tlm_size; 3930 3931 /* preconditions */ 3932 assert(p_j2k != 00); 3933 assert(p_manager != 00); 3934 assert(p_stream != 00); 3935 3936 l_tlm_size = 6 + (5*p_j2k->m_specific_param.m_encoder.m_total_tile_parts); 3937 3938 if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 3939 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size); 3940 if (! new_header_tile_data) { 3941 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 3942 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 3943 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 3944 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write TLM marker\n"); 3945 return OPJ_FALSE; 3946 } 3947 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 3948 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size; 3949 } 3950 3951 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 3952 3953 /* change the way data is written to avoid seeking if possible */ 3954 /* TODO */ 3955 p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream); 3956 3957 opj_write_bytes(l_current_data,J2K_MS_TLM,2); /* TLM */ 3958 l_current_data += 2; 3959 3960 opj_write_bytes(l_current_data,l_tlm_size-2,2); /* Lpoc */ 3961 l_current_data += 2; 3962 3963 opj_write_bytes(l_current_data,0,1); /* Ztlm=0*/ 3964 ++l_current_data; 3965 3966 opj_write_bytes(l_current_data,0x50,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */ 3967 ++l_current_data; 3968 3969 /* do nothing on the 5 * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */ 3970 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_tlm_size,p_manager) != l_tlm_size) { 3971 return OPJ_FALSE; 3972 } 3973 3974 return OPJ_TRUE; 3975 } 3976 3977 OPJ_BOOL opj_j2k_write_sot( opj_j2k_t *p_j2k, 3978 OPJ_BYTE * p_data, 3979 OPJ_UINT32 * p_data_written, 3980 const opj_stream_private_t *p_stream, 3981 opj_event_mgr_t * p_manager 3982 ) 3983 { 3984 /* preconditions */ 3985 assert(p_j2k != 00); 3986 assert(p_manager != 00); 3987 assert(p_stream != 00); 3988 3989 opj_write_bytes(p_data,J2K_MS_SOT,2); /* SOT */ 3990 p_data += 2; 3991 3992 opj_write_bytes(p_data,10,2); /* Lsot */ 3993 p_data += 2; 3994 3995 opj_write_bytes(p_data, p_j2k->m_current_tile_number,2); /* Isot */ 3996 p_data += 2; 3997 3998 /* Psot */ 3999 p_data += 4; 4000 4001 opj_write_bytes(p_data, p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,1); /* TPsot */ 4002 ++p_data; 4003 4004 opj_write_bytes(p_data, p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,1); /* TNsot */ 4005 ++p_data; 4006 4007 /* UniPG>> */ 4008 #ifdef USE_JPWL 4009 /* update markers struct */ 4010 /* 4011 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2); 4012 */ 4013 assert( 0 && "TODO" ); 4014 #endif /* USE_JPWL */ 4015 4016 * p_data_written = 12; 4017 4018 return OPJ_TRUE; 4019 } 4020 4021 OPJ_BOOL opj_j2k_read_sot ( opj_j2k_t *p_j2k, 4022 OPJ_BYTE * p_header_data, 4023 OPJ_UINT32 p_header_size, 4024 opj_event_mgr_t * p_manager ) 4025 { 4026 opj_cp_t *l_cp = 00; 4027 opj_tcp_t *l_tcp = 00; 4028 OPJ_UINT32 l_tot_len, l_num_parts = 0; 4029 OPJ_UINT32 l_current_part; 4030 OPJ_UINT32 l_tile_x,l_tile_y; 4031 4032 /* preconditions */ 4033 assert(p_header_data != 00); 4034 assert(p_j2k != 00); 4035 assert(p_manager != 00); 4036 4037 /* Size of this marker is fixed = 12 (we have already read marker and its size)*/ 4038 if (p_header_size != 8) { 4039 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n"); 4040 return OPJ_FALSE; 4041 } 4042 4043 l_cp = &(p_j2k->m_cp); 4044 opj_read_bytes(p_header_data,&(p_j2k->m_current_tile_number),2); /* Isot */ 4045 p_header_data+=2; 4046 4047 /* testcase 2.pdf.SIGFPE.706.1112 */ 4048 if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) { 4049 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile number %d\n", p_j2k->m_current_tile_number); 4050 return OPJ_FALSE; 4051 } 4052 4053 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number]; 4054 l_tile_x = p_j2k->m_current_tile_number % l_cp->tw; 4055 l_tile_y = p_j2k->m_current_tile_number / l_cp->tw; 4056 4057 #ifdef USE_JPWL 4058 if (l_cp->correct) { 4059 4060 OPJ_UINT32 tileno = p_j2k->m_current_tile_number; 4061 static OPJ_UINT32 backup_tileno = 0; 4062 4063 /* tileno is negative or larger than the number of tiles!!! */ 4064 if (tileno > (l_cp->tw * l_cp->th)) { 4065 opj_event_msg(p_manager, EVT_ERROR, 4066 "JPWL: bad tile number (%d out of a maximum of %d)\n", 4067 tileno, (l_cp->tw * l_cp->th)); 4068 if (!JPWL_ASSUME) { 4069 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); 4070 return OPJ_FALSE; 4071 } 4072 /* we try to correct */ 4073 tileno = backup_tileno; 4074 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n" 4075 "- setting tile number to %d\n", 4076 tileno); 4077 } 4078 4079 /* keep your private count of tiles */ 4080 backup_tileno++; 4081 }; 4082 #endif /* USE_JPWL */ 4083 4084 /* look for the tile in the list of already processed tile (in parts). */ 4085 /* Optimization possible here with a more complex data structure and with the removing of tiles */ 4086 /* since the time taken by this function can only grow at the time */ 4087 4088 opj_read_bytes(p_header_data,&l_tot_len,4); /* Psot */ 4089 p_header_data+=4; 4090 4091 /* PSot should be equal to zero or >=14 or <= 2^32-1 */ 4092 if ((l_tot_len !=0 ) && (l_tot_len < 14) ) 4093 { 4094 if (l_tot_len == 12 ) /* MSD: Special case for the PHR data which are read by kakadu*/ 4095 { 4096 opj_event_msg(p_manager, EVT_WARNING, "Empty SOT marker detected: Psot=%d.\n", l_tot_len); 4097 } 4098 else 4099 { 4100 opj_event_msg(p_manager, EVT_ERROR, "Psot value is not correct regards to the JPEG2000 norm: %d.\n", l_tot_len); 4101 return OPJ_FALSE; 4102 } 4103 } 4104 4105 #ifdef USE_JPWL 4106 if (l_cp->correct) { 4107 4108 /* totlen is negative or larger than the bytes left!!! */ 4109 if (/*(l_tot_len < 0) ||*/ (l_tot_len > p_header_size ) ) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */ 4110 opj_event_msg(p_manager, EVT_ERROR, 4111 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n", 4112 l_tot_len, p_header_size ); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */ 4113 if (!JPWL_ASSUME) { 4114 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); 4115 return OPJ_FALSE; 4116 } 4117 /* we try to correct */ 4118 l_tot_len = 0; 4119 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n" 4120 "- setting Psot to %d => assuming it is the last tile\n", 4121 l_tot_len); 4122 } 4123 }; 4124 #endif /* USE_JPWL */ 4125 4126 /* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/ 4127 if (!l_tot_len) { 4128 opj_event_msg(p_manager, EVT_INFO, "Psot value of the current tile-part is equal to zero, " 4129 "we assuming it is the last tile-part of the codestream.\n"); 4130 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1; 4131 } 4132 4133 opj_read_bytes(p_header_data,&l_current_part ,1); /* TPsot */ 4134 ++p_header_data; 4135 4136 opj_read_bytes(p_header_data,&l_num_parts ,1); /* TNsot */ 4137 ++p_header_data; 4138 4139 if (l_num_parts != 0) { /* Number of tile-part header is provided by this tile-part header */ 4140 /* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of 4141 * tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */ 4142 if (l_tcp->m_nb_tile_parts) { 4143 if (l_current_part >= l_tcp->m_nb_tile_parts){ 4144 opj_event_msg(p_manager, EVT_ERROR, "In SOT marker, TPSot (%d) is not valid regards to the current " 4145 "number of tile-part (%d), giving up\n", l_current_part, l_tcp->m_nb_tile_parts ); 4146 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1; 4147 return OPJ_FALSE; 4148 } 4149 } 4150 if( l_current_part >= l_num_parts ) { 4151 /* testcase 451.pdf.SIGSEGV.ce9.3723 */ 4152 opj_event_msg(p_manager, EVT_ERROR, "In SOT marker, TPSot (%d) is not valid regards to the current " 4153 "number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts ); 4154 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1; 4155 return OPJ_FALSE; 4156 } 4157 l_tcp->m_nb_tile_parts = l_num_parts; 4158 } 4159 4160 /* If know the number of tile part header we will check if we didn't read the last*/ 4161 if (l_tcp->m_nb_tile_parts) { 4162 if (l_tcp->m_nb_tile_parts == (l_current_part+1)) { 4163 p_j2k->m_specific_param.m_decoder.m_can_decode = 1; /* Process the last tile-part header*/ 4164 } 4165 } 4166 4167 if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part){ 4168 /* Keep the size of data to skip after this marker */ 4169 p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len - 12; /* SOT_marker_size = 12 */ 4170 } 4171 else { 4172 /* FIXME: need to be computed from the number of bytes remaining in the codestream */ 4173 p_j2k->m_specific_param.m_decoder.m_sot_length = 0; 4174 } 4175 4176 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH; 4177 4178 /* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/ 4179 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) { 4180 p_j2k->m_specific_param.m_decoder.m_skip_data = 4181 (l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x) 4182 || (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x) 4183 || (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y) 4184 || (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y); 4185 } 4186 else { 4187 assert( p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0 ); 4188 p_j2k->m_specific_param.m_decoder.m_skip_data = 4189 (p_j2k->m_current_tile_number != (OPJ_UINT32)p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec); 4190 } 4191 4192 /* Index */ 4193 if (p_j2k->cstr_index) 4194 { 4195 assert(p_j2k->cstr_index->tile_index != 00); 4196 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number; 4197 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno = l_current_part; 4198 4199 if (l_num_parts != 0){ 4200 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps = l_num_parts; 4201 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = l_num_parts; 4202 4203 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) { 4204 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = 4205 (opj_tp_index_t*)opj_calloc(l_num_parts, sizeof(opj_tp_index_t)); 4206 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) { 4207 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read SOT marker. Tile index allocation failed\n"); 4208 return OPJ_FALSE; 4209 } 4210 } 4211 else { 4212 opj_tp_index_t *new_tp_index = (opj_tp_index_t *) opj_realloc( 4213 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index, l_num_parts* sizeof(opj_tp_index_t)); 4214 if (! new_tp_index) { 4215 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index); 4216 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL; 4217 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read SOT marker. Tile index allocation failed\n"); 4218 return OPJ_FALSE; 4219 } 4220 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = new_tp_index; 4221 } 4222 } 4223 else{ 4224 /*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ { 4225 4226 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) { 4227 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10; 4228 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = 4229 (opj_tp_index_t*)opj_calloc( p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps, 4230 sizeof(opj_tp_index_t)); 4231 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) { 4232 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0; 4233 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read SOT marker. Tile index allocation failed\n"); 4234 return OPJ_FALSE; 4235 } 4236 } 4237 4238 if ( l_current_part >= p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps ){ 4239 opj_tp_index_t *new_tp_index; 4240 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = l_current_part + 1; 4241 new_tp_index = (opj_tp_index_t *) opj_realloc( 4242 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index, 4243 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps * sizeof(opj_tp_index_t)); 4244 if (! new_tp_index) { 4245 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index); 4246 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL; 4247 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0; 4248 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read SOT marker. Tile index allocation failed\n"); 4249 return OPJ_FALSE; 4250 } 4251 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = new_tp_index; 4252 } 4253 } 4254 4255 } 4256 4257 } 4258 4259 /* FIXME move this onto a separate method to call before reading any SOT, remove part about main_end header, use a index struct inside p_j2k */ 4260 /* if (p_j2k->cstr_info) { 4261 if (l_tcp->first) { 4262 if (tileno == 0) { 4263 p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13; 4264 } 4265 4266 p_j2k->cstr_info->tile[tileno].tileno = tileno; 4267 p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12; 4268 p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1; 4269 p_j2k->cstr_info->tile[tileno].num_tps = numparts; 4270 4271 if (numparts) { 4272 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t)); 4273 } 4274 else { 4275 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10) 4276 } 4277 } 4278 else { 4279 p_j2k->cstr_info->tile[tileno].end_pos += totlen; 4280 } 4281 4282 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12; 4283 p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos = 4284 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1; 4285 }*/ 4286 return OPJ_TRUE; 4287 } 4288 4289 OPJ_BOOL opj_j2k_write_sod( opj_j2k_t *p_j2k, 4290 opj_tcd_t * p_tile_coder, 4291 OPJ_BYTE * p_data, 4292 OPJ_UINT32 * p_data_written, 4293 OPJ_UINT32 p_total_data_size, 4294 const opj_stream_private_t *p_stream, 4295 opj_event_mgr_t * p_manager 4296 ) 4297 { 4298 opj_codestream_info_t *l_cstr_info = 00; 4299 OPJ_UINT32 l_remaining_data; 4300 4301 /* preconditions */ 4302 assert(p_j2k != 00); 4303 assert(p_manager != 00); 4304 assert(p_stream != 00); 4305 4306 opj_write_bytes(p_data,J2K_MS_SOD,2); /* SOD */ 4307 p_data += 2; 4308 4309 /* make room for the EOF marker */ 4310 l_remaining_data = p_total_data_size - 4; 4311 4312 /* update tile coder */ 4313 p_tile_coder->tp_num = p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ; 4314 p_tile_coder->cur_tp_num = p_j2k->m_specific_param.m_encoder.m_current_tile_part_number; 4315 4316 /* INDEX >> */ 4317 /* TODO mergeV2: check this part which use cstr_info */ 4318 /*l_cstr_info = p_j2k->cstr_info; 4319 if (l_cstr_info) { 4320 if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) { 4321 //TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1; 4322 l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number; 4323 } 4324 else {*/ 4325 /* 4326 TODO 4327 if 4328 (cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream)) 4329 { 4330 cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream); 4331 }*/ 4332 /*}*/ 4333 /* UniPG>> */ 4334 #ifdef USE_JPWL 4335 /* update markers struct */ 4336 /*OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2); 4337 */ 4338 assert( 0 && "TODO" ); 4339 #endif /* USE_JPWL */ 4340 /* <<UniPG */ 4341 /*}*/ 4342 /* << INDEX */ 4343 4344 if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) { 4345 p_tile_coder->tcd_image->tiles->packno = 0; 4346 if (l_cstr_info) { 4347 l_cstr_info->packno = 0; 4348 } 4349 } 4350 4351 *p_data_written = 0; 4352 4353 if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number, p_data, p_data_written, l_remaining_data , l_cstr_info)) { 4354 opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n"); 4355 return OPJ_FALSE; 4356 } 4357 4358 *p_data_written += 2; 4359 4360 return OPJ_TRUE; 4361 } 4362 4363 OPJ_BOOL opj_j2k_read_sod (opj_j2k_t *p_j2k, 4364 opj_stream_private_t *p_stream, 4365 opj_event_mgr_t * p_manager 4366 ) 4367 { 4368 OPJ_SIZE_T l_current_read_size; 4369 opj_codestream_index_t * l_cstr_index = 00; 4370 OPJ_BYTE ** l_current_data = 00; 4371 opj_tcp_t * l_tcp = 00; 4372 OPJ_UINT32 * l_tile_len = 00; 4373 OPJ_BOOL l_sot_length_pb_detected = OPJ_FALSE; 4374 4375 /* preconditions */ 4376 assert(p_j2k != 00); 4377 assert(p_manager != 00); 4378 assert(p_stream != 00); 4379 4380 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]); 4381 4382 if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) { 4383 /* opj_stream_get_number_byte_left returns OPJ_OFF_T 4384 // but we are in the last tile part, 4385 // so its result will fit on OPJ_UINT32 unless we find 4386 // a file with a single tile part of more than 4 GB...*/ 4387 p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(opj_stream_get_number_byte_left(p_stream) - 2); 4388 } 4389 else { 4390 /* Check to avoid pass the limit of OPJ_UINT32 */ 4391 if (p_j2k->m_specific_param.m_decoder.m_sot_length >= 2 ) 4392 p_j2k->m_specific_param.m_decoder.m_sot_length -= 2; 4393 else { 4394 /* MSD: case commented to support empty SOT marker (PHR data) */ 4395 } 4396 } 4397 4398 l_current_data = &(l_tcp->m_data); 4399 l_tile_len = &l_tcp->m_data_size; 4400 4401 /* Patch to support new PHR data */ 4402 if (p_j2k->m_specific_param.m_decoder.m_sot_length) { 4403 /* If we are here, we'll try to read the data after allocation */ 4404 /* Check enough bytes left in stream before allocation */ 4405 if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length > opj_stream_get_number_byte_left(p_stream)) { 4406 opj_event_msg(p_manager, EVT_ERROR, "Tile part length size inconsistent with stream length\n"); 4407 return OPJ_FALSE; 4408 } 4409 if (! *l_current_data) { 4410 /* LH: oddly enough, in this path, l_tile_len!=0. 4411 * TODO: If this was consistant, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...). 4412 */ 4413 *l_current_data = (OPJ_BYTE*) opj_malloc(p_j2k->m_specific_param.m_decoder.m_sot_length); 4414 } 4415 else { 4416 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data, *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length); 4417 if (! l_new_current_data) { 4418 opj_free(*l_current_data); 4419 /*nothing more is done as l_current_data will be set to null, and just 4420 afterward we enter in the error path 4421 and the actual tile_len is updated (committed) at the end of the 4422 function. */ 4423 } 4424 *l_current_data = l_new_current_data; 4425 } 4426 4427 if (*l_current_data == 00) { 4428 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile\n"); 4429 return OPJ_FALSE; 4430 } 4431 } 4432 else { 4433 l_sot_length_pb_detected = OPJ_TRUE; 4434 } 4435 4436 /* Index */ 4437 l_cstr_index = p_j2k->cstr_index; 4438 if (l_cstr_index) { 4439 OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2; 4440 4441 OPJ_UINT32 l_current_tile_part = l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno; 4442 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header = 4443 l_current_pos; 4444 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos = 4445 l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2; 4446 4447 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number, 4448 l_cstr_index, 4449 J2K_MS_SOD, 4450 l_current_pos, 4451 p_j2k->m_specific_param.m_decoder.m_sot_length + 2)) { 4452 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); 4453 return OPJ_FALSE; 4454 } 4455 4456 /*l_cstr_index->packno = 0;*/ 4457 } 4458 4459 /* Patch to support new PHR data */ 4460 if (!l_sot_length_pb_detected) { 4461 l_current_read_size = opj_stream_read_data( 4462 p_stream, 4463 *l_current_data + *l_tile_len, 4464 p_j2k->m_specific_param.m_decoder.m_sot_length, 4465 p_manager); 4466 } 4467 else 4468 { 4469 l_current_read_size = 0; 4470 } 4471 4472 if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) { 4473 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC; 4474 } 4475 else { 4476 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT; 4477 } 4478 4479 *l_tile_len += (OPJ_UINT32)l_current_read_size; 4480 4481 return OPJ_TRUE; 4482 } 4483 4484 OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k, 4485 OPJ_UINT32 p_tile_no, 4486 OPJ_UINT32 p_comp_no, 4487 OPJ_UINT32 nb_comps, 4488 opj_stream_private_t *p_stream, 4489 opj_event_mgr_t * p_manager 4490 ) 4491 { 4492 OPJ_BYTE * l_current_data = 00; 4493 OPJ_UINT32 l_rgn_size; 4494 opj_cp_t *l_cp = 00; 4495 opj_tcp_t *l_tcp = 00; 4496 opj_tccp_t *l_tccp = 00; 4497 OPJ_UINT32 l_comp_room; 4498 4499 /* preconditions */ 4500 assert(p_j2k != 00); 4501 assert(p_manager != 00); 4502 assert(p_stream != 00); 4503 4504 l_cp = &(p_j2k->m_cp); 4505 l_tcp = &l_cp->tcps[p_tile_no]; 4506 l_tccp = &l_tcp->tccps[p_comp_no]; 4507 4508 if (nb_comps <= 256) { 4509 l_comp_room = 1; 4510 } 4511 else { 4512 l_comp_room = 2; 4513 } 4514 4515 l_rgn_size = 6 + l_comp_room; 4516 4517 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 4518 4519 opj_write_bytes(l_current_data,J2K_MS_RGN,2); /* RGN */ 4520 l_current_data += 2; 4521 4522 opj_write_bytes(l_current_data,l_rgn_size-2,2); /* Lrgn */ 4523 l_current_data += 2; 4524 4525 opj_write_bytes(l_current_data,p_comp_no,l_comp_room); /* Crgn */ 4526 l_current_data+=l_comp_room; 4527 4528 opj_write_bytes(l_current_data, 0,1); /* Srgn */ 4529 ++l_current_data; 4530 4531 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tccp->roishift,1); /* SPrgn */ 4532 ++l_current_data; 4533 4534 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_rgn_size,p_manager) != l_rgn_size) { 4535 return OPJ_FALSE; 4536 } 4537 4538 return OPJ_TRUE; 4539 } 4540 4541 OPJ_BOOL opj_j2k_write_eoc( opj_j2k_t *p_j2k, 4542 opj_stream_private_t *p_stream, 4543 opj_event_mgr_t * p_manager 4544 ) 4545 { 4546 /* preconditions */ 4547 assert(p_j2k != 00); 4548 assert(p_manager != 00); 4549 assert(p_stream != 00); 4550 4551 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,J2K_MS_EOC,2); /* EOC */ 4552 4553 /* UniPG>> */ 4554 #ifdef USE_JPWL 4555 /* update markers struct */ 4556 /* 4557 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2); 4558 */ 4559 #endif /* USE_JPWL */ 4560 4561 if ( opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,2,p_manager) != 2) { 4562 return OPJ_FALSE; 4563 } 4564 4565 if ( ! opj_stream_flush(p_stream,p_manager) ) { 4566 return OPJ_FALSE; 4567 } 4568 4569 return OPJ_TRUE; 4570 } 4571 4572 /** 4573 * Reads a RGN marker (Region Of Interest) 4574 * 4575 * @param p_header_data the data contained in the POC box. 4576 * @param p_j2k the jpeg2000 codec. 4577 * @param p_header_size the size of the data contained in the POC marker. 4578 * @param p_manager the user event manager. 4579 */ 4580 static OPJ_BOOL opj_j2k_read_rgn (opj_j2k_t *p_j2k, 4581 OPJ_BYTE * p_header_data, 4582 OPJ_UINT32 p_header_size, 4583 opj_event_mgr_t * p_manager 4584 ) 4585 { 4586 OPJ_UINT32 l_nb_comp; 4587 opj_image_t * l_image = 00; 4588 4589 opj_cp_t *l_cp = 00; 4590 opj_tcp_t *l_tcp = 00; 4591 OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty; 4592 4593 /* preconditions*/ 4594 assert(p_header_data != 00); 4595 assert(p_j2k != 00); 4596 assert(p_manager != 00); 4597 4598 l_image = p_j2k->m_private_image; 4599 l_nb_comp = l_image->numcomps; 4600 4601 if (l_nb_comp <= 256) { 4602 l_comp_room = 1; } 4603 else { 4604 l_comp_room = 2; } 4605 4606 if (p_header_size != 2 + l_comp_room) { 4607 opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n"); 4608 return OPJ_FALSE; 4609 } 4610 4611 l_cp = &(p_j2k->m_cp); 4612 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? 4613 &l_cp->tcps[p_j2k->m_current_tile_number] : 4614 p_j2k->m_specific_param.m_decoder.m_default_tcp; 4615 4616 opj_read_bytes(p_header_data,&l_comp_no,l_comp_room); /* Crgn */ 4617 p_header_data+=l_comp_room; 4618 opj_read_bytes(p_header_data,&l_roi_sty,1); /* Srgn */ 4619 ++p_header_data; 4620 4621 #ifdef USE_JPWL 4622 if (l_cp->correct) { 4623 /* totlen is negative or larger than the bytes left!!! */ 4624 if (l_comp_room >= l_nb_comp) { 4625 opj_event_msg(p_manager, EVT_ERROR, 4626 "JPWL: bad component number in RGN (%d when there are only %d)\n", 4627 l_comp_room, l_nb_comp); 4628 if (!JPWL_ASSUME || JPWL_ASSUME) { 4629 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); 4630 return OPJ_FALSE; 4631 } 4632 } 4633 }; 4634 #endif /* USE_JPWL */ 4635 4636 /* testcase 3635.pdf.asan.77.2930 */ 4637 if (l_comp_no >= l_nb_comp) { 4638 opj_event_msg(p_manager, EVT_ERROR, 4639 "bad component number in RGN (%d when there are only %d)\n", 4640 l_comp_no, l_nb_comp); 4641 return OPJ_FALSE; 4642 } 4643 4644 opj_read_bytes(p_header_data,(OPJ_UINT32 *) (&(l_tcp->tccps[l_comp_no].roishift)),1); /* SPrgn */ 4645 ++p_header_data; 4646 4647 return OPJ_TRUE; 4648 4649 } 4650 4651 OPJ_FLOAT32 opj_j2k_get_tp_stride (opj_tcp_t * p_tcp) 4652 { 4653 return (OPJ_FLOAT32) ((p_tcp->m_nb_tile_parts - 1) * 14); 4654 } 4655 4656 OPJ_FLOAT32 opj_j2k_get_default_stride (opj_tcp_t * p_tcp) 4657 { 4658 (void)p_tcp; 4659 return 0; 4660 } 4661 4662 OPJ_BOOL opj_j2k_update_rates( opj_j2k_t *p_j2k, 4663 opj_stream_private_t *p_stream, 4664 opj_event_mgr_t * p_manager ) 4665 { 4666 opj_cp_t * l_cp = 00; 4667 opj_image_t * l_image = 00; 4668 opj_tcp_t * l_tcp = 00; 4669 opj_image_comp_t * l_img_comp = 00; 4670 4671 OPJ_UINT32 i,j,k; 4672 OPJ_INT32 l_x0,l_y0,l_x1,l_y1; 4673 OPJ_FLOAT32 * l_rates = 0; 4674 OPJ_FLOAT32 l_sot_remove; 4675 OPJ_UINT32 l_bits_empty, l_size_pixel; 4676 OPJ_UINT32 l_tile_size = 0; 4677 OPJ_UINT32 l_last_res; 4678 OPJ_FLOAT32 (* l_tp_stride_func)(opj_tcp_t *) = 00; 4679 4680 /* preconditions */ 4681 assert(p_j2k != 00); 4682 assert(p_manager != 00); 4683 assert(p_stream != 00); 4684 4685 l_cp = &(p_j2k->m_cp); 4686 l_image = p_j2k->m_private_image; 4687 l_tcp = l_cp->tcps; 4688 4689 l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy; 4690 l_size_pixel = l_image->numcomps * l_image->comps->prec; 4691 l_sot_remove = (OPJ_FLOAT32) opj_stream_tell(p_stream) / (OPJ_FLOAT32)(l_cp->th * l_cp->tw); 4692 4693 if (l_cp->m_specific_param.m_enc.m_tp_on) { 4694 l_tp_stride_func = opj_j2k_get_tp_stride; 4695 } 4696 else { 4697 l_tp_stride_func = opj_j2k_get_default_stride; 4698 } 4699 4700 for (i=0;i<l_cp->th;++i) { 4701 for (j=0;j<l_cp->tw;++j) { 4702 OPJ_FLOAT32 l_offset = (OPJ_FLOAT32)(*l_tp_stride_func)(l_tcp) / (OPJ_FLOAT32)l_tcp->numlayers; 4703 4704 /* 4 borders of the tile rescale on the image if necessary */ 4705 l_x0 = opj_int_max((OPJ_INT32)(l_cp->tx0 + j * l_cp->tdx), (OPJ_INT32)l_image->x0); 4706 l_y0 = opj_int_max((OPJ_INT32)(l_cp->ty0 + i * l_cp->tdy), (OPJ_INT32)l_image->y0); 4707 l_x1 = opj_int_min((OPJ_INT32)(l_cp->tx0 + (j + 1) * l_cp->tdx), (OPJ_INT32)l_image->x1); 4708 l_y1 = opj_int_min((OPJ_INT32)(l_cp->ty0 + (i + 1) * l_cp->tdy), (OPJ_INT32)l_image->y1); 4709 4710 l_rates = l_tcp->rates; 4711 4712 /* Modification of the RATE >> */ 4713 if (*l_rates) { 4714 *l_rates = (( (OPJ_FLOAT32) (l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) * (OPJ_UINT32)(l_y1 - l_y0))) 4715 / 4716 ((*l_rates) * (OPJ_FLOAT32)l_bits_empty) 4717 ) 4718 - 4719 l_offset; 4720 } 4721 4722 ++l_rates; 4723 4724 for (k = 1; k < l_tcp->numlayers; ++k) { 4725 if (*l_rates) { 4726 *l_rates = (( (OPJ_FLOAT32) (l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) * (OPJ_UINT32)(l_y1 - l_y0))) 4727 / 4728 ((*l_rates) * (OPJ_FLOAT32)l_bits_empty) 4729 ) 4730 - 4731 l_offset; 4732 } 4733 4734 ++l_rates; 4735 } 4736 4737 ++l_tcp; 4738 4739 } 4740 } 4741 4742 l_tcp = l_cp->tcps; 4743 4744 for (i=0;i<l_cp->th;++i) { 4745 for (j=0;j<l_cp->tw;++j) { 4746 l_rates = l_tcp->rates; 4747 4748 if (*l_rates) { 4749 *l_rates -= l_sot_remove; 4750 4751 if (*l_rates < 30) { 4752 *l_rates = 30; 4753 } 4754 } 4755 4756 ++l_rates; 4757 4758 l_last_res = l_tcp->numlayers - 1; 4759 4760 for (k = 1; k < l_last_res; ++k) { 4761 4762 if (*l_rates) { 4763 *l_rates -= l_sot_remove; 4764 4765 if (*l_rates < *(l_rates - 1) + 10) { 4766 *l_rates = (*(l_rates - 1)) + 20; 4767 } 4768 } 4769 4770 ++l_rates; 4771 } 4772 4773 if (*l_rates) { 4774 *l_rates -= (l_sot_remove + 2.f); 4775 4776 if (*l_rates < *(l_rates - 1) + 10) { 4777 *l_rates = (*(l_rates - 1)) + 20; 4778 } 4779 } 4780 4781 ++l_tcp; 4782 } 4783 } 4784 4785 l_img_comp = l_image->comps; 4786 l_tile_size = 0; 4787 4788 for (i=0;i<l_image->numcomps;++i) { 4789 l_tile_size += ( opj_uint_ceildiv(l_cp->tdx,l_img_comp->dx) 4790 * 4791 opj_uint_ceildiv(l_cp->tdy,l_img_comp->dy) 4792 * 4793 l_img_comp->prec 4794 ); 4795 4796 ++l_img_comp; 4797 } 4798 4799 l_tile_size = (OPJ_UINT32) (l_tile_size * 0.1625); /* 1.3/8 = 0.1625 */ 4800 4801 l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k); 4802 4803 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = l_tile_size; 4804 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 4805 (OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size); 4806 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) { 4807 return OPJ_FALSE; 4808 } 4809 4810 if (OPJ_IS_CINEMA(l_cp->rsiz)) { 4811 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 4812 (OPJ_BYTE *) opj_malloc(5*p_j2k->m_specific_param.m_encoder.m_total_tile_parts); 4813 if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) { 4814 return OPJ_FALSE; 4815 } 4816 4817 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 4818 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer; 4819 } 4820 4821 return OPJ_TRUE; 4822 } 4823 4824 #if 0 4825 OPJ_BOOL opj_j2k_read_eoc ( opj_j2k_t *p_j2k, 4826 opj_stream_private_t *p_stream, 4827 opj_event_mgr_t * p_manager ) 4828 { 4829 OPJ_UINT32 i; 4830 opj_tcd_t * l_tcd = 00; 4831 OPJ_UINT32 l_nb_tiles; 4832 opj_tcp_t * l_tcp = 00; 4833 OPJ_BOOL l_success; 4834 4835 /* preconditions */ 4836 assert(p_j2k != 00); 4837 assert(p_manager != 00); 4838 assert(p_stream != 00); 4839 4840 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw; 4841 l_tcp = p_j2k->m_cp.tcps; 4842 4843 l_tcd = opj_tcd_create(OPJ_TRUE); 4844 if (l_tcd == 00) { 4845 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n"); 4846 return OPJ_FALSE; 4847 } 4848 4849 for (i = 0; i < l_nb_tiles; ++i) { 4850 if (l_tcp->m_data) { 4851 if (! opj_tcd_init_decode_tile(l_tcd, i)) { 4852 opj_tcd_destroy(l_tcd); 4853 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n"); 4854 return OPJ_FALSE; 4855 } 4856 4857 l_success = opj_tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i, p_j2k->cstr_index); 4858 /* cleanup */ 4859 4860 if (! l_success) { 4861 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR; 4862 break; 4863 } 4864 } 4865 4866 opj_j2k_tcp_destroy(l_tcp); 4867 ++l_tcp; 4868 } 4869 4870 opj_tcd_destroy(l_tcd); 4871 return OPJ_TRUE; 4872 } 4873 #endif 4874 4875 OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k, 4876 struct opj_stream_private *p_stream, 4877 struct opj_event_mgr * p_manager ) 4878 { 4879 /* preconditions */ 4880 assert(p_j2k != 00); 4881 assert(p_manager != 00); 4882 assert(p_stream != 00); 4883 4884 p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream); 4885 4886 return OPJ_TRUE; 4887 } 4888 4889 OPJ_BOOL opj_j2k_write_mct_data_group( opj_j2k_t *p_j2k, 4890 struct opj_stream_private *p_stream, 4891 struct opj_event_mgr * p_manager ) 4892 { 4893 OPJ_UINT32 i; 4894 opj_simple_mcc_decorrelation_data_t * l_mcc_record; 4895 opj_mct_data_t * l_mct_record; 4896 opj_tcp_t * l_tcp; 4897 4898 /* preconditions */ 4899 assert(p_j2k != 00); 4900 assert(p_stream != 00); 4901 assert(p_manager != 00); 4902 4903 if (! opj_j2k_write_cbd(p_j2k,p_stream,p_manager)) { 4904 return OPJ_FALSE; 4905 } 4906 4907 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]); 4908 l_mct_record = l_tcp->m_mct_records; 4909 4910 for (i=0;i<l_tcp->m_nb_mct_records;++i) { 4911 4912 if (! opj_j2k_write_mct_record(p_j2k,l_mct_record,p_stream,p_manager)) { 4913 return OPJ_FALSE; 4914 } 4915 4916 ++l_mct_record; 4917 } 4918 4919 l_mcc_record = l_tcp->m_mcc_records; 4920 4921 for (i=0;i<l_tcp->m_nb_mcc_records;++i) { 4922 4923 if (! opj_j2k_write_mcc_record(p_j2k,l_mcc_record,p_stream,p_manager)) { 4924 return OPJ_FALSE; 4925 } 4926 4927 ++l_mcc_record; 4928 } 4929 4930 if (! opj_j2k_write_mco(p_j2k,p_stream,p_manager)) { 4931 return OPJ_FALSE; 4932 } 4933 4934 return OPJ_TRUE; 4935 } 4936 4937 #if 0 4938 OPJ_BOOL opj_j2k_write_all_coc(opj_j2k_t *p_j2k, 4939 struct opj_stream_private *p_stream, 4940 struct opj_event_mgr * p_manager ) 4941 { 4942 OPJ_UINT32 compno; 4943 4944 /* preconditions */ 4945 assert(p_j2k != 00); 4946 assert(p_manager != 00); 4947 assert(p_stream != 00); 4948 4949 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) 4950 { 4951 if (! opj_j2k_write_coc(p_j2k,compno,p_stream, p_manager)) { 4952 return OPJ_FALSE; 4953 } 4954 } 4955 4956 return OPJ_TRUE; 4957 } 4958 #endif 4959 4960 #if 0 4961 OPJ_BOOL opj_j2k_write_all_qcc(opj_j2k_t *p_j2k, 4962 struct opj_stream_private *p_stream, 4963 struct opj_event_mgr * p_manager ) 4964 { 4965 OPJ_UINT32 compno; 4966 4967 /* preconditions */ 4968 assert(p_j2k != 00); 4969 assert(p_manager != 00); 4970 assert(p_stream != 00); 4971 4972 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) 4973 { 4974 if (! opj_j2k_write_qcc(p_j2k,compno,p_stream, p_manager)) { 4975 return OPJ_FALSE; 4976 } 4977 } 4978 4979 return OPJ_TRUE; 4980 } 4981 #endif 4982 4983 4984 OPJ_BOOL opj_j2k_write_regions( opj_j2k_t *p_j2k, 4985 struct opj_stream_private *p_stream, 4986 struct opj_event_mgr * p_manager ) 4987 { 4988 OPJ_UINT32 compno; 4989 const opj_tccp_t *l_tccp = 00; 4990 4991 /* preconditions */ 4992 assert(p_j2k != 00); 4993 assert(p_manager != 00); 4994 assert(p_stream != 00); 4995 4996 l_tccp = p_j2k->m_cp.tcps->tccps; 4997 4998 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) { 4999 if (l_tccp->roishift) { 5000 5001 if (! opj_j2k_write_rgn(p_j2k,0,compno,p_j2k->m_private_image->numcomps,p_stream,p_manager)) { 5002 return OPJ_FALSE; 5003 } 5004 } 5005 5006 ++l_tccp; 5007 } 5008 5009 return OPJ_TRUE; 5010 } 5011 5012 OPJ_BOOL opj_j2k_write_epc( opj_j2k_t *p_j2k, 5013 struct opj_stream_private *p_stream, 5014 struct opj_event_mgr * p_manager ) 5015 { 5016 opj_codestream_index_t * l_cstr_index = 00; 5017 5018 /* preconditions */ 5019 assert(p_j2k != 00); 5020 assert(p_manager != 00); 5021 assert(p_stream != 00); 5022 5023 l_cstr_index = p_j2k->cstr_index; 5024 if (l_cstr_index) { 5025 l_cstr_index->codestream_size = (OPJ_UINT64)opj_stream_tell(p_stream); 5026 /* UniPG>> */ 5027 /* The following adjustment is done to adjust the codestream size */ 5028 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */ 5029 /* the first bunch of bytes is not in the codestream */ 5030 l_cstr_index->codestream_size -= (OPJ_UINT64)l_cstr_index->main_head_start; 5031 /* <<UniPG */ 5032 } 5033 5034 #ifdef USE_JPWL 5035 /* preparation of JPWL marker segments */ 5036 #if 0 5037 if(cp->epc_on) { 5038 5039 /* encode according to JPWL */ 5040 jpwl_encode(p_j2k, p_stream, image); 5041 5042 } 5043 #endif 5044 assert( 0 && "TODO" ); 5045 #endif /* USE_JPWL */ 5046 5047 return OPJ_TRUE; 5048 } 5049 5050 OPJ_BOOL opj_j2k_read_unk ( opj_j2k_t *p_j2k, 5051 opj_stream_private_t *p_stream, 5052 OPJ_UINT32 *output_marker, 5053 opj_event_mgr_t * p_manager 5054 ) 5055 { 5056 OPJ_UINT32 l_unknown_marker; 5057 const opj_dec_memory_marker_handler_t * l_marker_handler; 5058 OPJ_UINT32 l_size_unk = 2; 5059 5060 /* preconditions*/ 5061 assert(p_j2k != 00); 5062 assert(p_manager != 00); 5063 assert(p_stream != 00); 5064 5065 opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n"); 5066 5067 while(1) { 5068 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/ 5069 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { 5070 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 5071 return OPJ_FALSE; 5072 } 5073 5074 /* read 2 bytes as the new marker ID*/ 5075 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_unknown_marker,2); 5076 5077 if (!(l_unknown_marker < 0xff00)) { 5078 5079 /* Get the marker handler from the marker ID*/ 5080 l_marker_handler = opj_j2k_get_marker_handler(l_unknown_marker); 5081 5082 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) { 5083 opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n"); 5084 return OPJ_FALSE; 5085 } 5086 else { 5087 if (l_marker_handler->id != J2K_MS_UNK) { 5088 /* Add the marker to the codestream index*/ 5089 if (l_marker_handler->id != J2K_MS_SOT) 5090 { 5091 OPJ_BOOL res = opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_UNK, 5092 (OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk, 5093 l_size_unk); 5094 if (res == OPJ_FALSE) { 5095 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); 5096 return OPJ_FALSE; 5097 } 5098 } 5099 break; /* next marker is known and well located */ 5100 } 5101 else 5102 l_size_unk += 2; 5103 } 5104 } 5105 } 5106 5107 *output_marker = l_marker_handler->id ; 5108 5109 return OPJ_TRUE; 5110 } 5111 5112 OPJ_BOOL opj_j2k_write_mct_record( opj_j2k_t *p_j2k, 5113 opj_mct_data_t * p_mct_record, 5114 struct opj_stream_private *p_stream, 5115 struct opj_event_mgr * p_manager ) 5116 { 5117 OPJ_UINT32 l_mct_size; 5118 OPJ_BYTE * l_current_data = 00; 5119 OPJ_UINT32 l_tmp; 5120 5121 /* preconditions */ 5122 assert(p_j2k != 00); 5123 assert(p_manager != 00); 5124 assert(p_stream != 00); 5125 5126 l_mct_size = 10 + p_mct_record->m_data_size; 5127 5128 if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 5129 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size); 5130 if (! new_header_tile_data) { 5131 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 5132 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 5133 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 5134 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCT marker\n"); 5135 return OPJ_FALSE; 5136 } 5137 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 5138 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size; 5139 } 5140 5141 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 5142 5143 opj_write_bytes(l_current_data,J2K_MS_MCT,2); /* MCT */ 5144 l_current_data += 2; 5145 5146 opj_write_bytes(l_current_data,l_mct_size-2,2); /* Lmct */ 5147 l_current_data += 2; 5148 5149 opj_write_bytes(l_current_data,0,2); /* Zmct */ 5150 l_current_data += 2; 5151 5152 /* only one marker atm */ 5153 l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) | (p_mct_record->m_element_type << 10); 5154 5155 opj_write_bytes(l_current_data,l_tmp,2); 5156 l_current_data += 2; 5157 5158 opj_write_bytes(l_current_data,0,2); /* Ymct */ 5159 l_current_data+=2; 5160 5161 memcpy(l_current_data,p_mct_record->m_data,p_mct_record->m_data_size); 5162 5163 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mct_size,p_manager) != l_mct_size) { 5164 return OPJ_FALSE; 5165 } 5166 5167 return OPJ_TRUE; 5168 } 5169 5170 /** 5171 * Reads a MCT marker (Multiple Component Transform) 5172 * 5173 * @param p_header_data the data contained in the MCT box. 5174 * @param p_j2k the jpeg2000 codec. 5175 * @param p_header_size the size of the data contained in the MCT marker. 5176 * @param p_manager the user event manager. 5177 */ 5178 static OPJ_BOOL opj_j2k_read_mct ( opj_j2k_t *p_j2k, 5179 OPJ_BYTE * p_header_data, 5180 OPJ_UINT32 p_header_size, 5181 opj_event_mgr_t * p_manager 5182 ) 5183 { 5184 OPJ_UINT32 i; 5185 opj_tcp_t *l_tcp = 00; 5186 OPJ_UINT32 l_tmp; 5187 OPJ_UINT32 l_indix; 5188 opj_mct_data_t * l_mct_data; 5189 5190 /* preconditions */ 5191 assert(p_header_data != 00); 5192 assert(p_j2k != 00); 5193 5194 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ? 5195 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] : 5196 p_j2k->m_specific_param.m_decoder.m_default_tcp; 5197 5198 if (p_header_size < 2) { 5199 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n"); 5200 return OPJ_FALSE; 5201 } 5202 5203 /* first marker */ 5204 opj_read_bytes(p_header_data,&l_tmp,2); /* Zmct */ 5205 p_header_data += 2; 5206 if (l_tmp != 0) { 5207 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge mct data within multiple MCT records\n"); 5208 return OPJ_TRUE; 5209 } 5210 5211 if(p_header_size <= 6) { 5212 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n"); 5213 return OPJ_FALSE; 5214 } 5215 5216 /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/ 5217 opj_read_bytes(p_header_data,&l_tmp,2); /* Imct */ 5218 p_header_data += 2; 5219 5220 l_indix = l_tmp & 0xff; 5221 l_mct_data = l_tcp->m_mct_records; 5222 5223 for (i=0;i<l_tcp->m_nb_mct_records;++i) { 5224 if (l_mct_data->m_index == l_indix) { 5225 break; 5226 } 5227 ++l_mct_data; 5228 } 5229 5230 /* NOT FOUND */ 5231 if (i == l_tcp->m_nb_mct_records) { 5232 if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) { 5233 opj_mct_data_t *new_mct_records; 5234 l_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS; 5235 5236 new_mct_records = (opj_mct_data_t *) opj_realloc(l_tcp->m_mct_records, l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t)); 5237 if (! new_mct_records) { 5238 opj_free(l_tcp->m_mct_records); 5239 l_tcp->m_mct_records = NULL; 5240 l_tcp->m_nb_max_mct_records = 0; 5241 l_tcp->m_nb_mct_records = 0; 5242 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCT marker\n"); 5243 return OPJ_FALSE; 5244 } 5245 l_tcp->m_mct_records = new_mct_records; 5246 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records; 5247 memset(l_mct_data ,0,(l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t)); 5248 } 5249 5250 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records; 5251 ++l_tcp->m_nb_mct_records; 5252 } 5253 5254 if (l_mct_data->m_data) { 5255 opj_free(l_mct_data->m_data); 5256 l_mct_data->m_data = 00; 5257 } 5258 5259 l_mct_data->m_index = l_indix; 5260 l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3); 5261 l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3); 5262 5263 opj_read_bytes(p_header_data,&l_tmp,2); /* Ymct */ 5264 p_header_data+=2; 5265 if (l_tmp != 0) { 5266 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple MCT markers\n"); 5267 return OPJ_TRUE; 5268 } 5269 5270 p_header_size -= 6; 5271 5272 l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size); 5273 if (! l_mct_data->m_data) { 5274 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n"); 5275 return OPJ_FALSE; 5276 } 5277 memcpy(l_mct_data->m_data,p_header_data,p_header_size); 5278 5279 l_mct_data->m_data_size = p_header_size; 5280 5281 return OPJ_TRUE; 5282 } 5283 5284 OPJ_BOOL opj_j2k_write_mcc_record( opj_j2k_t *p_j2k, 5285 struct opj_simple_mcc_decorrelation_data * p_mcc_record, 5286 struct opj_stream_private *p_stream, 5287 struct opj_event_mgr * p_manager ) 5288 { 5289 OPJ_UINT32 i; 5290 OPJ_UINT32 l_mcc_size; 5291 OPJ_BYTE * l_current_data = 00; 5292 OPJ_UINT32 l_nb_bytes_for_comp; 5293 OPJ_UINT32 l_mask; 5294 OPJ_UINT32 l_tmcc; 5295 5296 /* preconditions */ 5297 assert(p_j2k != 00); 5298 assert(p_manager != 00); 5299 assert(p_stream != 00); 5300 5301 if (p_mcc_record->m_nb_comps > 255 ) { 5302 l_nb_bytes_for_comp = 2; 5303 l_mask = 0x8000; 5304 } 5305 else { 5306 l_nb_bytes_for_comp = 1; 5307 l_mask = 0; 5308 } 5309 5310 l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19; 5311 if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) 5312 { 5313 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size); 5314 if (! new_header_tile_data) { 5315 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 5316 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 5317 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 5318 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCC marker\n"); 5319 return OPJ_FALSE; 5320 } 5321 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 5322 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size; 5323 } 5324 5325 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 5326 5327 opj_write_bytes(l_current_data,J2K_MS_MCC,2); /* MCC */ 5328 l_current_data += 2; 5329 5330 opj_write_bytes(l_current_data,l_mcc_size-2,2); /* Lmcc */ 5331 l_current_data += 2; 5332 5333 /* first marker */ 5334 opj_write_bytes(l_current_data,0,2); /* Zmcc */ 5335 l_current_data += 2; 5336 5337 opj_write_bytes(l_current_data,p_mcc_record->m_index,1); /* Imcc -> no need for other values, take the first */ 5338 ++l_current_data; 5339 5340 /* only one marker atm */ 5341 opj_write_bytes(l_current_data,0,2); /* Ymcc */ 5342 l_current_data+=2; 5343 5344 opj_write_bytes(l_current_data,1,2); /* Qmcc -> number of collections -> 1 */ 5345 l_current_data+=2; 5346 5347 opj_write_bytes(l_current_data,0x1,1); /* Xmcci type of component transformation -> array based decorrelation */ 5348 ++l_current_data; 5349 5350 opj_write_bytes(l_current_data,p_mcc_record->m_nb_comps | l_mask,2); /* Nmcci number of input components involved and size for each component offset = 8 bits */ 5351 l_current_data+=2; 5352 5353 for (i=0;i<p_mcc_record->m_nb_comps;++i) { 5354 opj_write_bytes(l_current_data,i,l_nb_bytes_for_comp); /* Cmccij Component offset*/ 5355 l_current_data+=l_nb_bytes_for_comp; 5356 } 5357 5358 opj_write_bytes(l_current_data,p_mcc_record->m_nb_comps|l_mask,2); /* Mmcci number of output components involved and size for each component offset = 8 bits */ 5359 l_current_data+=2; 5360 5361 for (i=0;i<p_mcc_record->m_nb_comps;++i) 5362 { 5363 opj_write_bytes(l_current_data,i,l_nb_bytes_for_comp); /* Wmccij Component offset*/ 5364 l_current_data+=l_nb_bytes_for_comp; 5365 } 5366 5367 l_tmcc = ((!p_mcc_record->m_is_irreversible)&1)<<16; 5368 5369 if (p_mcc_record->m_decorrelation_array) { 5370 l_tmcc |= p_mcc_record->m_decorrelation_array->m_index; 5371 } 5372 5373 if (p_mcc_record->m_offset_array) { 5374 l_tmcc |= ((p_mcc_record->m_offset_array->m_index)<<8); 5375 } 5376 5377 opj_write_bytes(l_current_data,l_tmcc,3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */ 5378 l_current_data+=3; 5379 5380 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mcc_size,p_manager) != l_mcc_size) { 5381 return OPJ_FALSE; 5382 } 5383 5384 return OPJ_TRUE; 5385 } 5386 5387 OPJ_BOOL opj_j2k_read_mcc ( opj_j2k_t *p_j2k, 5388 OPJ_BYTE * p_header_data, 5389 OPJ_UINT32 p_header_size, 5390 opj_event_mgr_t * p_manager ) 5391 { 5392 OPJ_UINT32 i,j; 5393 OPJ_UINT32 l_tmp; 5394 OPJ_UINT32 l_indix; 5395 opj_tcp_t * l_tcp; 5396 opj_simple_mcc_decorrelation_data_t * l_mcc_record; 5397 opj_mct_data_t * l_mct_data; 5398 OPJ_UINT32 l_nb_collections; 5399 OPJ_UINT32 l_nb_comps; 5400 OPJ_UINT32 l_nb_bytes_by_comp; 5401 5402 /* preconditions */ 5403 assert(p_header_data != 00); 5404 assert(p_j2k != 00); 5405 assert(p_manager != 00); 5406 5407 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ? 5408 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] : 5409 p_j2k->m_specific_param.m_decoder.m_default_tcp; 5410 5411 if (p_header_size < 2) { 5412 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); 5413 return OPJ_FALSE; 5414 } 5415 5416 /* first marker */ 5417 opj_read_bytes(p_header_data,&l_tmp,2); /* Zmcc */ 5418 p_header_data += 2; 5419 if (l_tmp != 0) { 5420 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n"); 5421 return OPJ_TRUE; 5422 } 5423 5424 if (p_header_size < 7) { 5425 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); 5426 return OPJ_FALSE; 5427 } 5428 5429 opj_read_bytes(p_header_data,&l_indix,1); /* Imcc -> no need for other values, take the first */ 5430 ++p_header_data; 5431 5432 l_mcc_record = l_tcp->m_mcc_records; 5433 5434 for(i=0;i<l_tcp->m_nb_mcc_records;++i) { 5435 if (l_mcc_record->m_index == l_indix) { 5436 break; 5437 } 5438 ++l_mcc_record; 5439 } 5440 5441 /** NOT FOUND */ 5442 if (i == l_tcp->m_nb_mcc_records) { 5443 if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) { 5444 opj_simple_mcc_decorrelation_data_t *new_mcc_records; 5445 l_tcp->m_nb_max_mcc_records += OPJ_J2K_MCC_DEFAULT_NB_RECORDS; 5446 5447 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc( 5448 l_tcp->m_mcc_records, l_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t)); 5449 if (! new_mcc_records) { 5450 opj_free(l_tcp->m_mcc_records); 5451 l_tcp->m_mcc_records = NULL; 5452 l_tcp->m_nb_max_mcc_records = 0; 5453 l_tcp->m_nb_mcc_records = 0; 5454 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCC marker\n"); 5455 return OPJ_FALSE; 5456 } 5457 l_tcp->m_mcc_records = new_mcc_records; 5458 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records; 5459 memset(l_mcc_record,0,(l_tcp->m_nb_max_mcc_records-l_tcp->m_nb_mcc_records) * sizeof(opj_simple_mcc_decorrelation_data_t)); 5460 } 5461 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records; 5462 } 5463 l_mcc_record->m_index = l_indix; 5464 5465 /* only one marker atm */ 5466 opj_read_bytes(p_header_data,&l_tmp,2); /* Ymcc */ 5467 p_header_data+=2; 5468 if (l_tmp != 0) { 5469 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n"); 5470 return OPJ_TRUE; 5471 } 5472 5473 opj_read_bytes(p_header_data,&l_nb_collections,2); /* Qmcc -> number of collections -> 1 */ 5474 p_header_data+=2; 5475 5476 if (l_nb_collections > 1) { 5477 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple collections\n"); 5478 return OPJ_TRUE; 5479 } 5480 5481 p_header_size -= 7; 5482 5483 for (i=0;i<l_nb_collections;++i) { 5484 if (p_header_size < 3) { 5485 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); 5486 return OPJ_FALSE; 5487 } 5488 5489 opj_read_bytes(p_header_data,&l_tmp,1); /* Xmcci type of component transformation -> array based decorrelation */ 5490 ++p_header_data; 5491 5492 if (l_tmp != 1) { 5493 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections other than array decorrelation\n"); 5494 return OPJ_TRUE; 5495 } 5496 5497 opj_read_bytes(p_header_data,&l_nb_comps,2); 5498 5499 p_header_data+=2; 5500 p_header_size-=3; 5501 5502 l_nb_bytes_by_comp = 1 + (l_nb_comps>>15); 5503 l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff; 5504 5505 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) { 5506 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); 5507 return OPJ_FALSE; 5508 } 5509 5510 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2); 5511 5512 for (j=0;j<l_mcc_record->m_nb_comps;++j) { 5513 opj_read_bytes(p_header_data,&l_tmp,l_nb_bytes_by_comp); /* Cmccij Component offset*/ 5514 p_header_data+=l_nb_bytes_by_comp; 5515 5516 if (l_tmp != j) { 5517 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections with indix shuffle\n"); 5518 return OPJ_TRUE; 5519 } 5520 } 5521 5522 opj_read_bytes(p_header_data,&l_nb_comps,2); 5523 p_header_data+=2; 5524 5525 l_nb_bytes_by_comp = 1 + (l_nb_comps>>15); 5526 l_nb_comps &= 0x7fff; 5527 5528 if (l_nb_comps != l_mcc_record->m_nb_comps) { 5529 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections without same number of indixes\n"); 5530 return OPJ_TRUE; 5531 } 5532 5533 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) { 5534 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); 5535 return OPJ_FALSE; 5536 } 5537 5538 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3); 5539 5540 for (j=0;j<l_mcc_record->m_nb_comps;++j) { 5541 opj_read_bytes(p_header_data,&l_tmp,l_nb_bytes_by_comp); /* Wmccij Component offset*/ 5542 p_header_data+=l_nb_bytes_by_comp; 5543 5544 if (l_tmp != j) { 5545 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections with indix shuffle\n"); 5546 return OPJ_TRUE; 5547 } 5548 } 5549 5550 opj_read_bytes(p_header_data,&l_tmp,3); /* Wmccij Component offset*/ 5551 p_header_data += 3; 5552 5553 l_mcc_record->m_is_irreversible = ! ((l_tmp>>16) & 1); 5554 l_mcc_record->m_decorrelation_array = 00; 5555 l_mcc_record->m_offset_array = 00; 5556 5557 l_indix = l_tmp & 0xff; 5558 if (l_indix != 0) { 5559 l_mct_data = l_tcp->m_mct_records; 5560 for (j=0;j<l_tcp->m_nb_mct_records;++j) { 5561 if (l_mct_data->m_index == l_indix) { 5562 l_mcc_record->m_decorrelation_array = l_mct_data; 5563 break; 5564 } 5565 ++l_mct_data; 5566 } 5567 5568 if (l_mcc_record->m_decorrelation_array == 00) { 5569 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); 5570 return OPJ_FALSE; 5571 } 5572 } 5573 5574 l_indix = (l_tmp >> 8) & 0xff; 5575 if (l_indix != 0) { 5576 l_mct_data = l_tcp->m_mct_records; 5577 for (j=0;j<l_tcp->m_nb_mct_records;++j) { 5578 if (l_mct_data->m_index == l_indix) { 5579 l_mcc_record->m_offset_array = l_mct_data; 5580 break; 5581 } 5582 ++l_mct_data; 5583 } 5584 5585 if (l_mcc_record->m_offset_array == 00) { 5586 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); 5587 return OPJ_FALSE; 5588 } 5589 } 5590 } 5591 5592 if (p_header_size != 0) { 5593 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); 5594 return OPJ_FALSE; 5595 } 5596 5597 ++l_tcp->m_nb_mcc_records; 5598 5599 return OPJ_TRUE; 5600 } 5601 5602 OPJ_BOOL opj_j2k_write_mco( opj_j2k_t *p_j2k, 5603 struct opj_stream_private *p_stream, 5604 struct opj_event_mgr * p_manager 5605 ) 5606 { 5607 OPJ_BYTE * l_current_data = 00; 5608 OPJ_UINT32 l_mco_size; 5609 opj_tcp_t * l_tcp = 00; 5610 opj_simple_mcc_decorrelation_data_t * l_mcc_record; 5611 OPJ_UINT32 i; 5612 5613 /* preconditions */ 5614 assert(p_j2k != 00); 5615 assert(p_manager != 00); 5616 assert(p_stream != 00); 5617 5618 l_tcp =&(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]); 5619 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 5620 5621 l_mco_size = 5 + l_tcp->m_nb_mcc_records; 5622 if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 5623 5624 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size); 5625 if (! new_header_tile_data) { 5626 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 5627 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 5628 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 5629 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCO marker\n"); 5630 return OPJ_FALSE; 5631 } 5632 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 5633 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size; 5634 } 5635 5636 opj_write_bytes(l_current_data,J2K_MS_MCO,2); /* MCO */ 5637 l_current_data += 2; 5638 5639 opj_write_bytes(l_current_data,l_mco_size-2,2); /* Lmco */ 5640 l_current_data += 2; 5641 5642 opj_write_bytes(l_current_data,l_tcp->m_nb_mcc_records,1); /* Nmco : only one tranform stage*/ 5643 ++l_current_data; 5644 5645 l_mcc_record = l_tcp->m_mcc_records; 5646 for (i=0;i<l_tcp->m_nb_mcc_records;++i) { 5647 opj_write_bytes(l_current_data,l_mcc_record->m_index,1);/* Imco -> use the mcc indicated by 1*/ 5648 ++l_current_data; 5649 5650 ++l_mcc_record; 5651 } 5652 5653 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mco_size,p_manager) != l_mco_size) { 5654 return OPJ_FALSE; 5655 } 5656 5657 return OPJ_TRUE; 5658 } 5659 5660 /** 5661 * Reads a MCO marker (Multiple Component Transform Ordering) 5662 * 5663 * @param p_header_data the data contained in the MCO box. 5664 * @param p_j2k the jpeg2000 codec. 5665 * @param p_header_size the size of the data contained in the MCO marker. 5666 * @param p_manager the user event manager. 5667 */ 5668 static OPJ_BOOL opj_j2k_read_mco ( opj_j2k_t *p_j2k, 5669 OPJ_BYTE * p_header_data, 5670 OPJ_UINT32 p_header_size, 5671 opj_event_mgr_t * p_manager 5672 ) 5673 { 5674 OPJ_UINT32 l_tmp, i; 5675 OPJ_UINT32 l_nb_stages; 5676 opj_tcp_t * l_tcp; 5677 opj_tccp_t * l_tccp; 5678 opj_image_t * l_image; 5679 5680 /* preconditions */ 5681 assert(p_header_data != 00); 5682 assert(p_j2k != 00); 5683 assert(p_manager != 00); 5684 5685 l_image = p_j2k->m_private_image; 5686 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ? 5687 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] : 5688 p_j2k->m_specific_param.m_decoder.m_default_tcp; 5689 5690 if (p_header_size < 1) { 5691 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n"); 5692 return OPJ_FALSE; 5693 } 5694 5695 opj_read_bytes(p_header_data,&l_nb_stages,1); /* Nmco : only one tranform stage*/ 5696 ++p_header_data; 5697 5698 if (l_nb_stages > 1) { 5699 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple transformation stages.\n"); 5700 return OPJ_TRUE; 5701 } 5702 5703 if (p_header_size != l_nb_stages + 1) { 5704 opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n"); 5705 return OPJ_FALSE; 5706 } 5707 5708 l_tccp = l_tcp->tccps; 5709 5710 for (i=0;i<l_image->numcomps;++i) { 5711 l_tccp->m_dc_level_shift = 0; 5712 ++l_tccp; 5713 } 5714 5715 if (l_tcp->m_mct_decoding_matrix) { 5716 opj_free(l_tcp->m_mct_decoding_matrix); 5717 l_tcp->m_mct_decoding_matrix = 00; 5718 } 5719 5720 for (i=0;i<l_nb_stages;++i) { 5721 opj_read_bytes(p_header_data,&l_tmp,1); 5722 ++p_header_data; 5723 5724 if (! opj_j2k_add_mct(l_tcp,p_j2k->m_private_image,l_tmp)) { 5725 return OPJ_FALSE; 5726 } 5727 } 5728 5729 return OPJ_TRUE; 5730 } 5731 5732 OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image, OPJ_UINT32 p_index) 5733 { 5734 OPJ_UINT32 i; 5735 opj_simple_mcc_decorrelation_data_t * l_mcc_record; 5736 opj_mct_data_t * l_deco_array, * l_offset_array; 5737 OPJ_UINT32 l_data_size,l_mct_size, l_offset_size; 5738 OPJ_UINT32 l_nb_elem; 5739 OPJ_UINT32 * l_offset_data, * l_current_offset_data; 5740 opj_tccp_t * l_tccp; 5741 5742 /* preconditions */ 5743 assert(p_tcp != 00); 5744 5745 l_mcc_record = p_tcp->m_mcc_records; 5746 5747 for (i=0;i<p_tcp->m_nb_mcc_records;++i) { 5748 if (l_mcc_record->m_index == p_index) { 5749 break; 5750 } 5751 } 5752 5753 if (i==p_tcp->m_nb_mcc_records) { 5754 /** element discarded **/ 5755 return OPJ_TRUE; 5756 } 5757 5758 if (l_mcc_record->m_nb_comps != p_image->numcomps) { 5759 /** do not support number of comps != image */ 5760 return OPJ_TRUE; 5761 } 5762 5763 l_deco_array = l_mcc_record->m_decorrelation_array; 5764 5765 if (l_deco_array) { 5766 l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps * p_image->numcomps; 5767 if (l_deco_array->m_data_size != l_data_size) { 5768 return OPJ_FALSE; 5769 } 5770 5771 l_nb_elem = p_image->numcomps * p_image->numcomps; 5772 l_mct_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_FLOAT32); 5773 p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size); 5774 5775 if (! p_tcp->m_mct_decoding_matrix ) { 5776 return OPJ_FALSE; 5777 } 5778 5779 j2k_mct_read_functions_to_float[l_deco_array->m_element_type](l_deco_array->m_data,p_tcp->m_mct_decoding_matrix,l_nb_elem); 5780 } 5781 5782 l_offset_array = l_mcc_record->m_offset_array; 5783 5784 if (l_offset_array) { 5785 l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] * p_image->numcomps; 5786 if (l_offset_array->m_data_size != l_data_size) { 5787 return OPJ_FALSE; 5788 } 5789 5790 l_nb_elem = p_image->numcomps; 5791 l_offset_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_UINT32); 5792 l_offset_data = (OPJ_UINT32*)opj_malloc(l_offset_size); 5793 5794 if (! l_offset_data ) { 5795 return OPJ_FALSE; 5796 } 5797 5798 j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](l_offset_array->m_data,l_offset_data,l_nb_elem); 5799 5800 l_tccp = p_tcp->tccps; 5801 l_current_offset_data = l_offset_data; 5802 5803 for (i=0;i<p_image->numcomps;++i) { 5804 l_tccp->m_dc_level_shift = (OPJ_INT32)*(l_current_offset_data++); 5805 ++l_tccp; 5806 } 5807 5808 opj_free(l_offset_data); 5809 } 5810 5811 return OPJ_TRUE; 5812 } 5813 5814 OPJ_BOOL opj_j2k_write_cbd( opj_j2k_t *p_j2k, 5815 struct opj_stream_private *p_stream, 5816 struct opj_event_mgr * p_manager ) 5817 { 5818 OPJ_UINT32 i; 5819 OPJ_UINT32 l_cbd_size; 5820 OPJ_BYTE * l_current_data = 00; 5821 opj_image_t *l_image = 00; 5822 opj_image_comp_t * l_comp = 00; 5823 5824 /* preconditions */ 5825 assert(p_j2k != 00); 5826 assert(p_manager != 00); 5827 assert(p_stream != 00); 5828 5829 l_image = p_j2k->m_private_image; 5830 l_cbd_size = 6 + p_j2k->m_private_image->numcomps; 5831 5832 if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 5833 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size); 5834 if (! new_header_tile_data) { 5835 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 5836 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL; 5837 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 5838 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write CBD marker\n"); 5839 return OPJ_FALSE; 5840 } 5841 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data; 5842 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size; 5843 } 5844 5845 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data; 5846 5847 opj_write_bytes(l_current_data,J2K_MS_CBD,2); /* CBD */ 5848 l_current_data += 2; 5849 5850 opj_write_bytes(l_current_data,l_cbd_size-2,2); /* L_CBD */ 5851 l_current_data += 2; 5852 5853 opj_write_bytes(l_current_data,l_image->numcomps, 2); /* Ncbd */ 5854 l_current_data+=2; 5855 5856 l_comp = l_image->comps; 5857 5858 for (i=0;i<l_image->numcomps;++i) { 5859 opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1), 1); /* Component bit depth */ 5860 ++l_current_data; 5861 5862 ++l_comp; 5863 } 5864 5865 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_cbd_size,p_manager) != l_cbd_size) { 5866 return OPJ_FALSE; 5867 } 5868 5869 return OPJ_TRUE; 5870 } 5871 5872 /** 5873 * Reads a CBD marker (Component bit depth definition) 5874 * @param p_header_data the data contained in the CBD box. 5875 * @param p_j2k the jpeg2000 codec. 5876 * @param p_header_size the size of the data contained in the CBD marker. 5877 * @param p_manager the user event manager. 5878 */ 5879 static OPJ_BOOL opj_j2k_read_cbd ( opj_j2k_t *p_j2k, 5880 OPJ_BYTE * p_header_data, 5881 OPJ_UINT32 p_header_size, 5882 opj_event_mgr_t * p_manager 5883 ) 5884 { 5885 OPJ_UINT32 l_nb_comp,l_num_comp; 5886 OPJ_UINT32 l_comp_def; 5887 OPJ_UINT32 i; 5888 opj_image_comp_t * l_comp = 00; 5889 5890 /* preconditions */ 5891 assert(p_header_data != 00); 5892 assert(p_j2k != 00); 5893 assert(p_manager != 00); 5894 5895 l_num_comp = p_j2k->m_private_image->numcomps; 5896 5897 if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) { 5898 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n"); 5899 return OPJ_FALSE; 5900 } 5901 5902 opj_read_bytes(p_header_data,&l_nb_comp,2); /* Ncbd */ 5903 p_header_data+=2; 5904 5905 if (l_nb_comp != l_num_comp) { 5906 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n"); 5907 return OPJ_FALSE; 5908 } 5909 5910 l_comp = p_j2k->m_private_image->comps; 5911 for (i=0;i<l_num_comp;++i) { 5912 opj_read_bytes(p_header_data,&l_comp_def,1); /* Component bit depth */ 5913 ++p_header_data; 5914 l_comp->sgnd = (l_comp_def>>7) & 1; 5915 l_comp->prec = (l_comp_def&0x7f) + 1; 5916 ++l_comp; 5917 } 5918 5919 return OPJ_TRUE; 5920 } 5921 5922 /* ----------------------------------------------------------------------- */ 5923 /* J2K / JPT decoder interface */ 5924 /* ----------------------------------------------------------------------- */ 5925 5926 void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) 5927 { 5928 if(j2k && parameters) { 5929 j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer; 5930 j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce; 5931 5932 #ifdef USE_JPWL 5933 j2k->m_cp.correct = parameters->jpwl_correct; 5934 j2k->m_cp.exp_comps = parameters->jpwl_exp_comps; 5935 j2k->m_cp.max_tiles = parameters->jpwl_max_tiles; 5936 #endif /* USE_JPWL */ 5937 } 5938 } 5939 5940 /* ----------------------------------------------------------------------- */ 5941 /* J2K encoder interface */ 5942 /* ----------------------------------------------------------------------- */ 5943 5944 opj_j2k_t* opj_j2k_create_compress(void) 5945 { 5946 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1,sizeof(opj_j2k_t)); 5947 if (!l_j2k) { 5948 return NULL; 5949 } 5950 5951 5952 l_j2k->m_is_decoder = 0; 5953 l_j2k->m_cp.m_is_decoder = 0; 5954 5955 l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(OPJ_J2K_DEFAULT_HEADER_SIZE); 5956 if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) { 5957 opj_j2k_destroy(l_j2k); 5958 return NULL; 5959 } 5960 5961 l_j2k->m_specific_param.m_encoder.m_header_tile_data_size = OPJ_J2K_DEFAULT_HEADER_SIZE; 5962 5963 /* validation list creation*/ 5964 l_j2k->m_validation_list = opj_procedure_list_create(); 5965 if (! l_j2k->m_validation_list) { 5966 opj_j2k_destroy(l_j2k); 5967 return NULL; 5968 } 5969 5970 /* execution list creation*/ 5971 l_j2k->m_procedure_list = opj_procedure_list_create(); 5972 if (! l_j2k->m_procedure_list) { 5973 opj_j2k_destroy(l_j2k); 5974 return NULL; 5975 } 5976 5977 return l_j2k; 5978 } 5979 5980 int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres){ 5981 POC[0].tile = 1; 5982 POC[0].resno0 = 0; 5983 POC[0].compno0 = 0; 5984 POC[0].layno1 = 1; 5985 POC[0].resno1 = (OPJ_UINT32)(numres-1); 5986 POC[0].compno1 = 3; 5987 POC[0].prg1 = OPJ_CPRL; 5988 POC[1].tile = 1; 5989 POC[1].resno0 = (OPJ_UINT32)(numres-1); 5990 POC[1].compno0 = 0; 5991 POC[1].layno1 = 1; 5992 POC[1].resno1 = (OPJ_UINT32)numres; 5993 POC[1].compno1 = 3; 5994 POC[1].prg1 = OPJ_CPRL; 5995 return 2; 5996 } 5997 5998 void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters, opj_image_t *image, opj_event_mgr_t *p_manager) 5999 { 6000 /* Configure cinema parameters */ 6001 int i; 6002 6003 /* No tiling */ 6004 parameters->tile_size_on = OPJ_FALSE; 6005 parameters->cp_tdx=1; 6006 parameters->cp_tdy=1; 6007 6008 /* One tile part for each component */ 6009 parameters->tp_flag = 'C'; 6010 parameters->tp_on = 1; 6011 6012 /* Tile and Image shall be at (0,0) */ 6013 parameters->cp_tx0 = 0; 6014 parameters->cp_ty0 = 0; 6015 parameters->image_offset_x0 = 0; 6016 parameters->image_offset_y0 = 0; 6017 6018 /* Codeblock size= 32*32 */ 6019 parameters->cblockw_init = 32; 6020 parameters->cblockh_init = 32; 6021 6022 /* Codeblock style: no mode switch enabled */ 6023 parameters->mode = 0; 6024 6025 /* No ROI */ 6026 parameters->roi_compno = -1; 6027 6028 /* No subsampling */ 6029 parameters->subsampling_dx = 1; 6030 parameters->subsampling_dy = 1; 6031 6032 /* 9-7 transform */ 6033 parameters->irreversible = 1; 6034 6035 /* Number of layers */ 6036 if (parameters->tcp_numlayers > 1){ 6037 opj_event_msg(p_manager, EVT_WARNING, 6038 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n" 6039 "1 single quality layer" 6040 "-> Number of layers forced to 1 (rather than %d)\n" 6041 "-> Rate of the last layer (%3.1f) will be used", 6042 parameters->tcp_numlayers, parameters->tcp_rates[parameters->tcp_numlayers-1]); 6043 parameters->tcp_rates[0] = parameters->tcp_rates[parameters->tcp_numlayers-1]; 6044 parameters->tcp_numlayers = 1; 6045 } 6046 6047 /* Resolution levels */ 6048 switch (parameters->rsiz){ 6049 case OPJ_PROFILE_CINEMA_2K: 6050 if(parameters->numresolution > 6){ 6051 opj_event_msg(p_manager, EVT_WARNING, 6052 "JPEG 2000 Profile-3 (2k dc profile) requires:\n" 6053 "Number of decomposition levels <= 5\n" 6054 "-> Number of decomposition levels forced to 5 (rather than %d)\n", 6055 parameters->numresolution+1); 6056 parameters->numresolution = 6; 6057 } 6058 break; 6059 case OPJ_PROFILE_CINEMA_4K: 6060 if(parameters->numresolution < 2){ 6061 opj_event_msg(p_manager, EVT_WARNING, 6062 "JPEG 2000 Profile-4 (4k dc profile) requires:\n" 6063 "Number of decomposition levels >= 1 && <= 6\n" 6064 "-> Number of decomposition levels forced to 1 (rather than %d)\n", 6065 parameters->numresolution+1); 6066 parameters->numresolution = 1; 6067 }else if(parameters->numresolution > 7){ 6068 opj_event_msg(p_manager, EVT_WARNING, 6069 "JPEG 2000 Profile-4 (4k dc profile) requires:\n" 6070 "Number of decomposition levels >= 1 && <= 6\n" 6071 "-> Number of decomposition levels forced to 6 (rather than %d)\n", 6072 parameters->numresolution+1); 6073 parameters->numresolution = 7; 6074 } 6075 break; 6076 default : 6077 break; 6078 } 6079 6080 /* Precincts */ 6081 parameters->csty |= 0x01; 6082 parameters->res_spec = parameters->numresolution-1; 6083 for (i = 0; i<parameters->res_spec; i++) { 6084 parameters->prcw_init[i] = 256; 6085 parameters->prch_init[i] = 256; 6086 } 6087 6088 /* The progression order shall be CPRL */ 6089 parameters->prog_order = OPJ_CPRL; 6090 6091 /* Progression order changes for 4K, disallowed for 2K */ 6092 if (parameters->rsiz == OPJ_PROFILE_CINEMA_4K) { 6093 parameters->numpocs = (OPJ_UINT32)opj_j2k_initialise_4K_poc(parameters->POC,parameters->numresolution); 6094 } else { 6095 parameters->numpocs = 0; 6096 } 6097 6098 /* Limited bit-rate */ 6099 parameters->cp_disto_alloc = 1; 6100 if (parameters->max_cs_size <= 0) { 6101 /* No rate has been introduced, 24 fps is assumed */ 6102 parameters->max_cs_size = OPJ_CINEMA_24_CS; 6103 opj_event_msg(p_manager, EVT_WARNING, 6104 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n" 6105 "Maximum 1302083 compressed bytes @ 24fps\n" 6106 "As no rate has been given, this limit will be used.\n"); 6107 } else if (parameters->max_cs_size > OPJ_CINEMA_24_CS) { 6108 opj_event_msg(p_manager, EVT_WARNING, 6109 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n" 6110 "Maximum 1302083 compressed bytes @ 24fps\n" 6111 "-> Specified rate exceeds this limit. Rate will be forced to 1302083 bytes.\n"); 6112 parameters->max_cs_size = OPJ_CINEMA_24_CS; 6113 } 6114 6115 if (parameters->max_comp_size <= 0) { 6116 /* No rate has been introduced, 24 fps is assumed */ 6117 parameters->max_comp_size = OPJ_CINEMA_24_COMP; 6118 opj_event_msg(p_manager, EVT_WARNING, 6119 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n" 6120 "Maximum 1041666 compressed bytes @ 24fps\n" 6121 "As no rate has been given, this limit will be used.\n"); 6122 } else if (parameters->max_comp_size > OPJ_CINEMA_24_COMP) { 6123 opj_event_msg(p_manager, EVT_WARNING, 6124 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n" 6125 "Maximum 1041666 compressed bytes @ 24fps\n" 6126 "-> Specified rate exceeds this limit. Rate will be forced to 1041666 bytes.\n"); 6127 parameters->max_comp_size = OPJ_CINEMA_24_COMP; 6128 } 6129 6130 parameters->tcp_rates[0] = (OPJ_FLOAT32) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)/ 6131 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx * image->comps[0].dy); 6132 6133 } 6134 6135 OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz, opj_event_mgr_t *p_manager) 6136 { 6137 OPJ_UINT32 i; 6138 6139 /* Number of components */ 6140 if (image->numcomps != 3){ 6141 opj_event_msg(p_manager, EVT_WARNING, 6142 "JPEG 2000 Profile-3 (2k dc profile) requires:\n" 6143 "3 components" 6144 "-> Number of components of input image (%d) is not compliant\n" 6145 "-> Non-profile-3 codestream will be generated\n", 6146 image->numcomps); 6147 return OPJ_FALSE; 6148 } 6149 6150 /* Bitdepth */ 6151 for (i = 0; i < image->numcomps; i++) { 6152 if ((image->comps[i].bpp != 12) | (image->comps[i].sgnd)){ 6153 char signed_str[] = "signed"; 6154 char unsigned_str[] = "unsigned"; 6155 char *tmp_str = image->comps[i].sgnd?signed_str:unsigned_str; 6156 opj_event_msg(p_manager, EVT_WARNING, 6157 "JPEG 2000 Profile-3 (2k dc profile) requires:\n" 6158 "Precision of each component shall be 12 bits unsigned" 6159 "-> At least component %d of input image (%d bits, %s) is not compliant\n" 6160 "-> Non-profile-3 codestream will be generated\n", 6161 i,image->comps[i].bpp, tmp_str); 6162 return OPJ_FALSE; 6163 } 6164 } 6165 6166 /* Image size */ 6167 switch (rsiz){ 6168 case OPJ_PROFILE_CINEMA_2K: 6169 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1080))){ 6170 opj_event_msg(p_manager, EVT_WARNING, 6171 "JPEG 2000 Profile-3 (2k dc profile) requires:\n" 6172 "width <= 2048 and height <= 1080\n" 6173 "-> Input image size %d x %d is not compliant\n" 6174 "-> Non-profile-3 codestream will be generated\n", 6175 image->comps[0].w,image->comps[0].h); 6176 return OPJ_FALSE; 6177 } 6178 break; 6179 case OPJ_PROFILE_CINEMA_4K: 6180 if (((image->comps[0].w > 4096) | (image->comps[0].h > 2160))){ 6181 opj_event_msg(p_manager, EVT_WARNING, 6182 "JPEG 2000 Profile-4 (4k dc profile) requires:\n" 6183 "width <= 4096 and height <= 2160\n" 6184 "-> Image size %d x %d is not compliant\n" 6185 "-> Non-profile-4 codestream will be generated\n", 6186 image->comps[0].w,image->comps[0].h); 6187 return OPJ_FALSE; 6188 } 6189 break; 6190 default : 6191 break; 6192 } 6193 6194 return OPJ_TRUE; 6195 } 6196 6197 OPJ_BOOL opj_j2k_setup_encoder( opj_j2k_t *p_j2k, 6198 opj_cparameters_t *parameters, 6199 opj_image_t *image, 6200 opj_event_mgr_t * p_manager) 6201 { 6202 OPJ_UINT32 i, j, tileno, numpocs_tile; 6203 opj_cp_t *cp = 00; 6204 6205 if(!p_j2k || !parameters || ! image) { 6206 return OPJ_FALSE; 6207 } 6208 6209 if ((parameters->numresolution <= 0) || (parameters->numresolution > OPJ_J2K_MAXRLVLS)) { 6210 opj_event_msg(p_manager, EVT_ERROR, "Invalid number of resolutions : %d not in range [1,%d]\n", parameters->numresolution, OPJ_J2K_MAXRLVLS); 6211 return OPJ_FALSE; 6212 } 6213 6214 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */ 6215 cp = &(p_j2k->m_cp); 6216 6217 /* set default values for cp */ 6218 cp->tw = 1; 6219 cp->th = 1; 6220 6221 /* FIXME ADE: to be removed once deprecated cp_cinema and cp_rsiz have been removed */ 6222 if (parameters->rsiz == OPJ_PROFILE_NONE) { /* consider deprecated fields only if RSIZ has not been set */ 6223 OPJ_BOOL deprecated_used = OPJ_FALSE; 6224 switch (parameters->cp_cinema){ 6225 case OPJ_CINEMA2K_24: 6226 parameters->rsiz = OPJ_PROFILE_CINEMA_2K; 6227 parameters->max_cs_size = OPJ_CINEMA_24_CS; 6228 parameters->max_comp_size = OPJ_CINEMA_24_COMP; 6229 deprecated_used = OPJ_TRUE; 6230 break; 6231 case OPJ_CINEMA2K_48: 6232 parameters->rsiz = OPJ_PROFILE_CINEMA_2K; 6233 parameters->max_cs_size = OPJ_CINEMA_48_CS; 6234 parameters->max_comp_size = OPJ_CINEMA_48_COMP; 6235 deprecated_used = OPJ_TRUE; 6236 break; 6237 case OPJ_CINEMA4K_24: 6238 parameters->rsiz = OPJ_PROFILE_CINEMA_4K; 6239 parameters->max_cs_size = OPJ_CINEMA_24_CS; 6240 parameters->max_comp_size = OPJ_CINEMA_24_COMP; 6241 deprecated_used = OPJ_TRUE; 6242 break; 6243 case OPJ_OFF: 6244 default: 6245 break; 6246 } 6247 switch (parameters->cp_rsiz){ 6248 case OPJ_CINEMA2K: 6249 parameters->rsiz = OPJ_PROFILE_CINEMA_2K; 6250 deprecated_used = OPJ_TRUE; 6251 break; 6252 case OPJ_CINEMA4K: 6253 parameters->rsiz = OPJ_PROFILE_CINEMA_4K; 6254 deprecated_used = OPJ_TRUE; 6255 break; 6256 case OPJ_MCT: 6257 parameters->rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT; 6258 deprecated_used = OPJ_TRUE; 6259 case OPJ_STD_RSIZ: 6260 default: 6261 break; 6262 } 6263 if (deprecated_used) { 6264 opj_event_msg(p_manager, EVT_WARNING, 6265 "Deprecated fields cp_cinema or cp_rsiz are used\n" 6266 "Please consider using only the rsiz field\n" 6267 "See openjpeg.h documentation for more details\n"); 6268 } 6269 } 6270 6271 /* see if max_codestream_size does limit input rate */ 6272 if (parameters->max_cs_size <= 0) { 6273 if (parameters->tcp_rates[parameters->tcp_numlayers-1] > 0) { 6274 OPJ_FLOAT32 temp_size; 6275 temp_size =(OPJ_FLOAT32)(image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)/ 6276 (parameters->tcp_rates[parameters->tcp_numlayers-1] * 8 * (OPJ_FLOAT32)image->comps[0].dx * (OPJ_FLOAT32)image->comps[0].dy); 6277 parameters->max_cs_size = (int) floor(temp_size); 6278 } else { 6279 parameters->max_cs_size = 0; 6280 } 6281 } else { 6282 OPJ_FLOAT32 temp_rate; 6283 OPJ_BOOL cap = OPJ_FALSE; 6284 temp_rate = (OPJ_FLOAT32) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)/ 6285 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx * image->comps[0].dy); 6286 for (i = 0; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) { 6287 if (parameters->tcp_rates[i] < temp_rate) { 6288 parameters->tcp_rates[i] = temp_rate; 6289 cap = OPJ_TRUE; 6290 } 6291 } 6292 if (cap) { 6293 opj_event_msg(p_manager, EVT_WARNING, 6294 "The desired maximum codestream size has limited\n" 6295 "at least one of the desired quality layers\n"); 6296 } 6297 } 6298 6299 /* Manage profiles and applications and set RSIZ */ 6300 /* set cinema parameters if required */ 6301 if (OPJ_IS_CINEMA(parameters->rsiz)){ 6302 if ((parameters->rsiz == OPJ_PROFILE_CINEMA_S2K) 6303 || (parameters->rsiz == OPJ_PROFILE_CINEMA_S4K)){ 6304 opj_event_msg(p_manager, EVT_WARNING, 6305 "JPEG 2000 Scalable Digital Cinema profiles not yet supported\n"); 6306 parameters->rsiz = OPJ_PROFILE_NONE; 6307 } else { 6308 opj_j2k_set_cinema_parameters(parameters,image,p_manager); 6309 if (!opj_j2k_is_cinema_compliant(image,parameters->rsiz,p_manager)) { 6310 parameters->rsiz = OPJ_PROFILE_NONE; 6311 } 6312 } 6313 } else if (OPJ_IS_STORAGE(parameters->rsiz)) { 6314 opj_event_msg(p_manager, EVT_WARNING, 6315 "JPEG 2000 Long Term Storage profile not yet supported\n"); 6316 parameters->rsiz = OPJ_PROFILE_NONE; 6317 } else if (OPJ_IS_BROADCAST(parameters->rsiz)) { 6318 opj_event_msg(p_manager, EVT_WARNING, 6319 "JPEG 2000 Broadcast profiles not yet supported\n"); 6320 parameters->rsiz = OPJ_PROFILE_NONE; 6321 } else if (OPJ_IS_IMF(parameters->rsiz)) { 6322 opj_event_msg(p_manager, EVT_WARNING, 6323 "JPEG 2000 IMF profiles not yet supported\n"); 6324 parameters->rsiz = OPJ_PROFILE_NONE; 6325 } else if (OPJ_IS_PART2(parameters->rsiz)) { 6326 if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) { 6327 opj_event_msg(p_manager, EVT_WARNING, 6328 "JPEG 2000 Part-2 profile defined\n" 6329 "but no Part-2 extension enabled.\n" 6330 "Profile set to NONE.\n"); 6331 parameters->rsiz = OPJ_PROFILE_NONE; 6332 } else if (parameters->rsiz != ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT))) { 6333 opj_event_msg(p_manager, EVT_WARNING, 6334 "Unsupported Part-2 extension enabled\n" 6335 "Profile set to NONE.\n"); 6336 parameters->rsiz = OPJ_PROFILE_NONE; 6337 } 6338 } 6339 6340 /* 6341 copy user encoding parameters 6342 */ 6343 cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)parameters->max_comp_size; 6344 cp->rsiz = parameters->rsiz; 6345 cp->m_specific_param.m_enc.m_disto_alloc = (OPJ_UINT32)parameters->cp_disto_alloc & 1u; 6346 cp->m_specific_param.m_enc.m_fixed_alloc = (OPJ_UINT32)parameters->cp_fixed_alloc & 1u; 6347 cp->m_specific_param.m_enc.m_fixed_quality = (OPJ_UINT32)parameters->cp_fixed_quality & 1u; 6348 6349 /* mod fixed_quality */ 6350 if (parameters->cp_fixed_alloc && parameters->cp_matrice) { 6351 size_t array_size = (size_t)parameters->tcp_numlayers * (size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32); 6352 cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size); 6353 if (!cp->m_specific_param.m_enc.m_matrice) { 6354 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate copy of user encoding parameters matrix \n"); 6355 return OPJ_FALSE; 6356 } 6357 memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice, array_size); 6358 } 6359 6360 /* tiles */ 6361 cp->tdx = (OPJ_UINT32)parameters->cp_tdx; 6362 cp->tdy = (OPJ_UINT32)parameters->cp_tdy; 6363 6364 /* tile offset */ 6365 cp->tx0 = (OPJ_UINT32)parameters->cp_tx0; 6366 cp->ty0 = (OPJ_UINT32)parameters->cp_ty0; 6367 6368 /* comment string */ 6369 if(parameters->cp_comment) { 6370 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1U); 6371 if(!cp->comment) { 6372 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate copy of comment string\n"); 6373 return OPJ_FALSE; 6374 } 6375 strcpy(cp->comment, parameters->cp_comment); 6376 } else { 6377 /* Create default comment for codestream */ 6378 const char comment[] = "Created by OpenJPEG version "; 6379 const size_t clen = strlen(comment); 6380 const char *version = opj_version(); 6381 6382 /* UniPG>> */ 6383 #ifdef USE_JPWL 6384 cp->comment = (char*)opj_malloc(clen+strlen(version)+11); 6385 if(!cp->comment) { 6386 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate comment string\n"); 6387 return OPJ_FALSE; 6388 } 6389 sprintf(cp->comment,"%s%s with JPWL", comment, version); 6390 #else 6391 cp->comment = (char*)opj_malloc(clen+strlen(version)+1); 6392 if(!cp->comment) { 6393 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate comment string\n"); 6394 return OPJ_FALSE; 6395 } 6396 sprintf(cp->comment,"%s%s", comment, version); 6397 #endif 6398 /* <<UniPG */ 6399 } 6400 6401 /* 6402 calculate other encoding parameters 6403 */ 6404 6405 if (parameters->tile_size_on) { 6406 cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->x1 - cp->tx0), (OPJ_INT32)cp->tdx); 6407 cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->y1 - cp->ty0), (OPJ_INT32)cp->tdy); 6408 } else { 6409 cp->tdx = image->x1 - cp->tx0; 6410 cp->tdy = image->y1 - cp->ty0; 6411 } 6412 6413 if (parameters->tp_on) { 6414 cp->m_specific_param.m_enc.m_tp_flag = (OPJ_BYTE)parameters->tp_flag; 6415 cp->m_specific_param.m_enc.m_tp_on = 1; 6416 } 6417 6418 #ifdef USE_JPWL 6419 /* 6420 calculate JPWL encoding parameters 6421 */ 6422 6423 if (parameters->jpwl_epc_on) { 6424 OPJ_INT32 i; 6425 6426 /* set JPWL on */ 6427 cp->epc_on = OPJ_TRUE; 6428 cp->info_on = OPJ_FALSE; /* no informative technique */ 6429 6430 /* set EPB on */ 6431 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) { 6432 cp->epb_on = OPJ_TRUE; 6433 6434 cp->hprot_MH = parameters->jpwl_hprot_MH; 6435 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) { 6436 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i]; 6437 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i]; 6438 } 6439 /* if tile specs are not specified, copy MH specs */ 6440 if (cp->hprot_TPH[0] == -1) { 6441 cp->hprot_TPH_tileno[0] = 0; 6442 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH; 6443 } 6444 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) { 6445 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i]; 6446 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i]; 6447 cp->pprot[i] = parameters->jpwl_pprot[i]; 6448 } 6449 } 6450 6451 /* set ESD writing */ 6452 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) { 6453 cp->esd_on = OPJ_TRUE; 6454 6455 cp->sens_size = parameters->jpwl_sens_size; 6456 cp->sens_addr = parameters->jpwl_sens_addr; 6457 cp->sens_range = parameters->jpwl_sens_range; 6458 6459 cp->sens_MH = parameters->jpwl_sens_MH; 6460 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) { 6461 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i]; 6462 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i]; 6463 } 6464 } 6465 6466 /* always set RED writing to false: we are at the encoder */ 6467 cp->red_on = OPJ_FALSE; 6468 6469 } else { 6470 cp->epc_on = OPJ_FALSE; 6471 } 6472 #endif /* USE_JPWL */ 6473 6474 /* initialize the mutiple tiles */ 6475 /* ---------------------------- */ 6476 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t)); 6477 if (!cp->tcps) { 6478 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate tile coding parameters\n"); 6479 return OPJ_FALSE; 6480 } 6481 if (parameters->numpocs) { 6482 /* initialisation of POC */ 6483 opj_j2k_check_poc_val(parameters->POC,parameters->numpocs, (OPJ_UINT32)parameters->numresolution, image->numcomps, (OPJ_UINT32)parameters->tcp_numlayers, p_manager); 6484 /* TODO MSD use the return value*/ 6485 } 6486 6487 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) { 6488 opj_tcp_t *tcp = &cp->tcps[tileno]; 6489 tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers; 6490 6491 for (j = 0; j < tcp->numlayers; j++) { 6492 if(OPJ_IS_CINEMA(cp->rsiz)){ 6493 if (cp->m_specific_param.m_enc.m_fixed_quality) { 6494 tcp->distoratio[j] = parameters->tcp_distoratio[j]; 6495 } 6496 tcp->rates[j] = parameters->tcp_rates[j]; 6497 }else{ 6498 if (cp->m_specific_param.m_enc.m_fixed_quality) { /* add fixed_quality */ 6499 tcp->distoratio[j] = parameters->tcp_distoratio[j]; 6500 } else { 6501 tcp->rates[j] = parameters->tcp_rates[j]; 6502 } 6503 } 6504 } 6505 6506 tcp->csty = (OPJ_UINT32)parameters->csty; 6507 tcp->prg = parameters->prog_order; 6508 tcp->mct = (OPJ_UINT32)parameters->tcp_mct; 6509 6510 numpocs_tile = 0; 6511 tcp->POC = 0; 6512 6513 if (parameters->numpocs) { 6514 /* initialisation of POC */ 6515 tcp->POC = 1; 6516 for (i = 0; i < parameters->numpocs; i++) { 6517 if (tileno + 1 == parameters->POC[i].tile ) { 6518 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile]; 6519 6520 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0; 6521 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0; 6522 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1; 6523 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1; 6524 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1; 6525 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1; 6526 tcp_poc->tile = parameters->POC[numpocs_tile].tile; 6527 6528 numpocs_tile++; 6529 } 6530 } 6531 6532 tcp->numpocs = numpocs_tile -1 ; 6533 }else{ 6534 tcp->numpocs = 0; 6535 } 6536 6537 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t)); 6538 if (!tcp->tccps) { 6539 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate tile component coding parameters\n"); 6540 return OPJ_FALSE; 6541 } 6542 if (parameters->mct_data) { 6543 6544 OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * (OPJ_UINT32)sizeof(OPJ_FLOAT32); 6545 OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize); 6546 OPJ_INT32 * l_dc_shift = (OPJ_INT32 *) ((OPJ_BYTE *) parameters->mct_data + lMctSize); 6547 6548 if (!lTmpBuf) { 6549 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate temp buffer\n"); 6550 return OPJ_FALSE; 6551 } 6552 6553 tcp->mct = 2; 6554 tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize); 6555 if (! tcp->m_mct_coding_matrix) { 6556 opj_free(lTmpBuf); 6557 lTmpBuf = NULL; 6558 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate encoder MCT coding matrix \n"); 6559 return OPJ_FALSE; 6560 } 6561 memcpy(tcp->m_mct_coding_matrix,parameters->mct_data,lMctSize); 6562 memcpy(lTmpBuf,parameters->mct_data,lMctSize); 6563 6564 tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize); 6565 if (! tcp->m_mct_decoding_matrix) { 6566 opj_free(lTmpBuf); 6567 lTmpBuf = NULL; 6568 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate encoder MCT decoding matrix \n"); 6569 return OPJ_FALSE; 6570 } 6571 if(opj_matrix_inversion_f(lTmpBuf,(tcp->m_mct_decoding_matrix),image->numcomps) == OPJ_FALSE) { 6572 opj_free(lTmpBuf); 6573 lTmpBuf = NULL; 6574 opj_event_msg(p_manager, EVT_ERROR, "Failed to inverse encoder MCT decoding matrix \n"); 6575 return OPJ_FALSE; 6576 } 6577 6578 tcp->mct_norms = (OPJ_FLOAT64*) 6579 opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64)); 6580 if (! tcp->mct_norms) { 6581 opj_free(lTmpBuf); 6582 lTmpBuf = NULL; 6583 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate encoder MCT norms \n"); 6584 return OPJ_FALSE; 6585 } 6586 opj_calculate_norms(tcp->mct_norms,image->numcomps,tcp->m_mct_decoding_matrix); 6587 opj_free(lTmpBuf); 6588 6589 for (i = 0; i < image->numcomps; i++) { 6590 opj_tccp_t *tccp = &tcp->tccps[i]; 6591 tccp->m_dc_level_shift = l_dc_shift[i]; 6592 } 6593 6594 if (opj_j2k_setup_mct_encoding(tcp,image) == OPJ_FALSE) { 6595 /* free will be handled by opj_j2k_destroy */ 6596 opj_event_msg(p_manager, EVT_ERROR, "Failed to setup j2k mct encoding\n"); 6597 return OPJ_FALSE; 6598 } 6599 } 6600 else { 6601 if(tcp->mct==1 && image->numcomps >= 3) { /* RGB->YCC MCT is enabled */ 6602 if ((image->comps[0].dx != image->comps[1].dx) || 6603 (image->comps[0].dx != image->comps[2].dx) || 6604 (image->comps[0].dy != image->comps[1].dy) || 6605 (image->comps[0].dy != image->comps[2].dy)) { 6606 opj_event_msg(p_manager, EVT_WARNING, "Cannot perform MCT on components with different sizes. Disabling MCT.\n"); 6607 tcp->mct = 0; 6608 } 6609 } 6610 for (i = 0; i < image->numcomps; i++) { 6611 opj_tccp_t *tccp = &tcp->tccps[i]; 6612 opj_image_comp_t * l_comp = &(image->comps[i]); 6613 6614 if (! l_comp->sgnd) { 6615 tccp->m_dc_level_shift = 1 << (l_comp->prec - 1); 6616 } 6617 } 6618 } 6619 6620 for (i = 0; i < image->numcomps; i++) { 6621 opj_tccp_t *tccp = &tcp->tccps[i]; 6622 6623 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */ 6624 tccp->numresolutions = (OPJ_UINT32)parameters->numresolution; 6625 tccp->cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init); 6626 tccp->cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init); 6627 tccp->cblksty = (OPJ_UINT32)parameters->mode; 6628 tccp->qmfbid = parameters->irreversible ? 0 : 1; 6629 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT; 6630 tccp->numgbits = 2; 6631 6632 if ((OPJ_INT32)i == parameters->roi_compno) { 6633 tccp->roishift = parameters->roi_shift; 6634 } else { 6635 tccp->roishift = 0; 6636 } 6637 6638 if (parameters->csty & J2K_CCP_CSTY_PRT) { 6639 OPJ_INT32 p = 0, it_res; 6640 assert( tccp->numresolutions > 0 ); 6641 for (it_res = (OPJ_INT32)tccp->numresolutions - 1; it_res >= 0; it_res--) { 6642 if (p < parameters->res_spec) { 6643 6644 if (parameters->prcw_init[p] < 1) { 6645 tccp->prcw[it_res] = 1; 6646 } else { 6647 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prcw_init[p]); 6648 } 6649 6650 if (parameters->prch_init[p] < 1) { 6651 tccp->prch[it_res] = 1; 6652 }else { 6653 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prch_init[p]); 6654 } 6655 6656 } else { 6657 OPJ_INT32 res_spec = parameters->res_spec; 6658 OPJ_INT32 size_prcw = 0; 6659 OPJ_INT32 size_prch = 0; 6660 6661 assert(res_spec>0); /* issue 189 */ 6662 size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1)); 6663 size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1)); 6664 6665 6666 if (size_prcw < 1) { 6667 tccp->prcw[it_res] = 1; 6668 } else { 6669 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prcw); 6670 } 6671 6672 if (size_prch < 1) { 6673 tccp->prch[it_res] = 1; 6674 } else { 6675 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prch); 6676 } 6677 } 6678 p++; 6679 /*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */ 6680 } /*end for*/ 6681 } else { 6682 for (j = 0; j < tccp->numresolutions; j++) { 6683 tccp->prcw[j] = 15; 6684 tccp->prch[j] = 15; 6685 } 6686 } 6687 6688 opj_dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec); 6689 } 6690 } 6691 6692 if (parameters->mct_data) { 6693 opj_free(parameters->mct_data); 6694 parameters->mct_data = 00; 6695 } 6696 return OPJ_TRUE; 6697 } 6698 6699 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) 6700 { 6701 assert(cstr_index != 00); 6702 6703 /* expand the list? */ 6704 if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) { 6705 opj_marker_info_t *new_marker; 6706 cstr_index->maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32) cstr_index->maxmarknum); 6707 new_marker = (opj_marker_info_t *) opj_realloc(cstr_index->marker, cstr_index->maxmarknum *sizeof(opj_marker_info_t)); 6708 if (! new_marker) { 6709 opj_free(cstr_index->marker); 6710 cstr_index->marker = NULL; 6711 cstr_index->maxmarknum = 0; 6712 cstr_index->marknum = 0; 6713 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); */ 6714 return OPJ_FALSE; 6715 } 6716 cstr_index->marker = new_marker; 6717 } 6718 6719 /* add the marker */ 6720 cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type; 6721 cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos; 6722 cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len; 6723 cstr_index->marknum++; 6724 return OPJ_TRUE; 6725 } 6726 6727 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno, opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) 6728 { 6729 assert(cstr_index != 00); 6730 assert(cstr_index->tile_index != 00); 6731 6732 /* expand the list? */ 6733 if ((cstr_index->tile_index[tileno].marknum + 1) > cstr_index->tile_index[tileno].maxmarknum) { 6734 opj_marker_info_t *new_marker; 6735 cstr_index->tile_index[tileno].maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32) cstr_index->tile_index[tileno].maxmarknum); 6736 new_marker = (opj_marker_info_t *) opj_realloc( 6737 cstr_index->tile_index[tileno].marker, 6738 cstr_index->tile_index[tileno].maxmarknum *sizeof(opj_marker_info_t)); 6739 if (! new_marker) { 6740 opj_free(cstr_index->tile_index[tileno].marker); 6741 cstr_index->tile_index[tileno].marker = NULL; 6742 cstr_index->tile_index[tileno].maxmarknum = 0; 6743 cstr_index->tile_index[tileno].marknum = 0; 6744 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); */ 6745 return OPJ_FALSE; 6746 } 6747 cstr_index->tile_index[tileno].marker = new_marker; 6748 } 6749 6750 /* add the marker */ 6751 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type = (OPJ_UINT16)type; 6752 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos = (OPJ_INT32)pos; 6753 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len = (OPJ_INT32)len; 6754 cstr_index->tile_index[tileno].marknum++; 6755 6756 if (type == J2K_MS_SOT) { 6757 OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno; 6758 6759 if (cstr_index->tile_index[tileno].tp_index) 6760 cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos; 6761 6762 } 6763 return OPJ_TRUE; 6764 } 6765 6766 /* 6767 * ----------------------------------------------------------------------- 6768 * ----------------------------------------------------------------------- 6769 * ----------------------------------------------------------------------- 6770 */ 6771 6772 OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *p_j2k, 6773 opj_stream_private_t *p_stream, 6774 opj_event_mgr_t * p_manager 6775 ) 6776 { 6777 (void)p_j2k; 6778 (void)p_stream; 6779 (void)p_manager; 6780 return OPJ_TRUE; 6781 } 6782 6783 OPJ_BOOL opj_j2k_read_header( opj_stream_private_t *p_stream, 6784 opj_j2k_t* p_j2k, 6785 opj_image_t** p_image, 6786 opj_event_mgr_t* p_manager ) 6787 { 6788 /* preconditions */ 6789 assert(p_j2k != 00); 6790 assert(p_stream != 00); 6791 assert(p_manager != 00); 6792 6793 /* create an empty image header */ 6794 p_j2k->m_private_image = opj_image_create0(); 6795 if (! p_j2k->m_private_image) { 6796 return OPJ_FALSE; 6797 } 6798 6799 /* customization of the validation */ 6800 opj_j2k_setup_decoding_validation(p_j2k); 6801 6802 /* validation of the parameters codec */ 6803 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream,p_manager)) { 6804 opj_image_destroy(p_j2k->m_private_image); 6805 p_j2k->m_private_image = NULL; 6806 return OPJ_FALSE; 6807 } 6808 6809 /* customization of the encoding */ 6810 opj_j2k_setup_header_reading(p_j2k); 6811 6812 /* read header */ 6813 if (! opj_j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) { 6814 opj_image_destroy(p_j2k->m_private_image); 6815 p_j2k->m_private_image = NULL; 6816 return OPJ_FALSE; 6817 } 6818 6819 *p_image = opj_image_create0(); 6820 if (! (*p_image)) { 6821 return OPJ_FALSE; 6822 } 6823 6824 /* Copy codestream image information to the output image */ 6825 opj_copy_image_header(p_j2k->m_private_image, *p_image); 6826 6827 /*Allocate and initialize some elements of codestrem index*/ 6828 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)){ 6829 return OPJ_FALSE; 6830 } 6831 6832 return OPJ_TRUE; 6833 } 6834 6835 void opj_j2k_setup_header_reading (opj_j2k_t *p_j2k) 6836 { 6837 /* preconditions*/ 6838 assert(p_j2k != 00); 6839 6840 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_read_header_procedure); 6841 6842 /* DEVELOPER CORNER, add your custom procedures */ 6843 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd); 6844 6845 } 6846 6847 void opj_j2k_setup_decoding_validation (opj_j2k_t *p_j2k) 6848 { 6849 /* preconditions*/ 6850 assert(p_j2k != 00); 6851 6852 opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_build_decoder); 6853 opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_decoding_validation); 6854 /* DEVELOPER CORNER, add your custom validation procedure */ 6855 6856 } 6857 6858 OPJ_BOOL opj_j2k_mct_validation ( opj_j2k_t * p_j2k, 6859 opj_stream_private_t *p_stream, 6860 opj_event_mgr_t * p_manager ) 6861 { 6862 OPJ_BOOL l_is_valid = OPJ_TRUE; 6863 OPJ_UINT32 i,j; 6864 6865 /* preconditions */ 6866 assert(p_j2k != 00); 6867 assert(p_stream != 00); 6868 assert(p_manager != 00); 6869 6870 if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) { 6871 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw; 6872 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps; 6873 6874 for (i=0;i<l_nb_tiles;++i) { 6875 if (l_tcp->mct == 2) { 6876 opj_tccp_t * l_tccp = l_tcp->tccps; 6877 l_is_valid &= (l_tcp->m_mct_coding_matrix != 00); 6878 6879 for (j=0;j<p_j2k->m_private_image->numcomps;++j) { 6880 l_is_valid &= ! (l_tccp->qmfbid & 1); 6881 ++l_tccp; 6882 } 6883 } 6884 ++l_tcp; 6885 } 6886 } 6887 6888 return l_is_valid; 6889 } 6890 6891 OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image) 6892 { 6893 OPJ_UINT32 i; 6894 OPJ_UINT32 l_indix = 1; 6895 opj_mct_data_t * l_mct_deco_data = 00,* l_mct_offset_data = 00; 6896 opj_simple_mcc_decorrelation_data_t * l_mcc_data; 6897 OPJ_UINT32 l_mct_size,l_nb_elem; 6898 OPJ_FLOAT32 * l_data, * l_current_data; 6899 opj_tccp_t * l_tccp; 6900 6901 /* preconditions */ 6902 assert(p_tcp != 00); 6903 6904 if (p_tcp->mct != 2) { 6905 return OPJ_TRUE; 6906 } 6907 6908 if (p_tcp->m_mct_decoding_matrix) { 6909 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) { 6910 opj_mct_data_t *new_mct_records; 6911 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS; 6912 6913 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records, p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t)); 6914 if (! new_mct_records) { 6915 opj_free(p_tcp->m_mct_records); 6916 p_tcp->m_mct_records = NULL; 6917 p_tcp->m_nb_max_mct_records = 0; 6918 p_tcp->m_nb_mct_records = 0; 6919 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */ 6920 return OPJ_FALSE; 6921 } 6922 p_tcp->m_mct_records = new_mct_records; 6923 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records; 6924 6925 memset(l_mct_deco_data ,0,(p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t)); 6926 } 6927 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records; 6928 6929 if (l_mct_deco_data->m_data) { 6930 opj_free(l_mct_deco_data->m_data); 6931 l_mct_deco_data->m_data = 00; 6932 } 6933 6934 l_mct_deco_data->m_index = l_indix++; 6935 l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION; 6936 l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT; 6937 l_nb_elem = p_image->numcomps * p_image->numcomps; 6938 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type]; 6939 l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size ); 6940 6941 if (! l_mct_deco_data->m_data) { 6942 return OPJ_FALSE; 6943 } 6944 6945 j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](p_tcp->m_mct_decoding_matrix,l_mct_deco_data->m_data,l_nb_elem); 6946 6947 l_mct_deco_data->m_data_size = l_mct_size; 6948 ++p_tcp->m_nb_mct_records; 6949 } 6950 6951 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) { 6952 opj_mct_data_t *new_mct_records; 6953 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS; 6954 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records, p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t)); 6955 if (! new_mct_records) { 6956 opj_free(p_tcp->m_mct_records); 6957 p_tcp->m_mct_records = NULL; 6958 p_tcp->m_nb_max_mct_records = 0; 6959 p_tcp->m_nb_mct_records = 0; 6960 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */ 6961 return OPJ_FALSE; 6962 } 6963 p_tcp->m_mct_records = new_mct_records; 6964 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records; 6965 6966 memset(l_mct_offset_data ,0,(p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t)); 6967 6968 if (l_mct_deco_data) { 6969 l_mct_deco_data = l_mct_offset_data - 1; 6970 } 6971 } 6972 6973 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records; 6974 6975 if (l_mct_offset_data->m_data) { 6976 opj_free(l_mct_offset_data->m_data); 6977 l_mct_offset_data->m_data = 00; 6978 } 6979 6980 l_mct_offset_data->m_index = l_indix++; 6981 l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET; 6982 l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT; 6983 l_nb_elem = p_image->numcomps; 6984 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type]; 6985 l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size ); 6986 6987 if (! l_mct_offset_data->m_data) { 6988 return OPJ_FALSE; 6989 } 6990 6991 l_data = (OPJ_FLOAT32*)opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32)); 6992 if (! l_data) { 6993 opj_free(l_mct_offset_data->m_data); 6994 l_mct_offset_data->m_data = 00; 6995 return OPJ_FALSE; 6996 } 6997 6998 l_tccp = p_tcp->tccps; 6999 l_current_data = l_data; 7000 7001 for (i=0;i<l_nb_elem;++i) { 7002 *(l_current_data++) = (OPJ_FLOAT32) (l_tccp->m_dc_level_shift); 7003 ++l_tccp; 7004 } 7005 7006 j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,l_mct_offset_data->m_data,l_nb_elem); 7007 7008 opj_free(l_data); 7009 7010 l_mct_offset_data->m_data_size = l_mct_size; 7011 7012 ++p_tcp->m_nb_mct_records; 7013 7014 if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) { 7015 opj_simple_mcc_decorrelation_data_t *new_mcc_records; 7016 p_tcp->m_nb_max_mcc_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS; 7017 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc( 7018 p_tcp->m_mcc_records, p_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t)); 7019 if (! new_mcc_records) { 7020 opj_free(p_tcp->m_mcc_records); 7021 p_tcp->m_mcc_records = NULL; 7022 p_tcp->m_nb_max_mcc_records = 0; 7023 p_tcp->m_nb_mcc_records = 0; 7024 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */ 7025 return OPJ_FALSE; 7026 } 7027 p_tcp->m_mcc_records = new_mcc_records; 7028 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records; 7029 memset(l_mcc_data ,0,(p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) * sizeof(opj_simple_mcc_decorrelation_data_t)); 7030 7031 } 7032 7033 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records; 7034 l_mcc_data->m_decorrelation_array = l_mct_deco_data; 7035 l_mcc_data->m_is_irreversible = 1; 7036 l_mcc_data->m_nb_comps = p_image->numcomps; 7037 l_mcc_data->m_index = l_indix++; 7038 l_mcc_data->m_offset_array = l_mct_offset_data; 7039 ++p_tcp->m_nb_mcc_records; 7040 7041 return OPJ_TRUE; 7042 } 7043 7044 OPJ_BOOL opj_j2k_build_decoder (opj_j2k_t * p_j2k, 7045 opj_stream_private_t *p_stream, 7046 opj_event_mgr_t * p_manager ) 7047 { 7048 /* add here initialization of cp 7049 copy paste of setup_decoder */ 7050 (void)p_j2k; 7051 (void)p_stream; 7052 (void)p_manager; 7053 return OPJ_TRUE; 7054 } 7055 7056 OPJ_BOOL opj_j2k_build_encoder (opj_j2k_t * p_j2k, 7057 opj_stream_private_t *p_stream, 7058 opj_event_mgr_t * p_manager ) 7059 { 7060 /* add here initialization of cp 7061 copy paste of setup_encoder */ 7062 (void)p_j2k; 7063 (void)p_stream; 7064 (void)p_manager; 7065 return OPJ_TRUE; 7066 } 7067 7068 OPJ_BOOL opj_j2k_encoding_validation ( opj_j2k_t * p_j2k, 7069 opj_stream_private_t *p_stream, 7070 opj_event_mgr_t * p_manager ) 7071 { 7072 OPJ_BOOL l_is_valid = OPJ_TRUE; 7073 7074 /* preconditions */ 7075 assert(p_j2k != 00); 7076 assert(p_stream != 00); 7077 assert(p_manager != 00); 7078 7079 /* STATE checking */ 7080 /* make sure the state is at 0 */ 7081 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE); 7082 7083 /* POINTER validation */ 7084 /* make sure a p_j2k codec is present */ 7085 l_is_valid &= (p_j2k->m_procedure_list != 00); 7086 /* make sure a validation list is present */ 7087 l_is_valid &= (p_j2k->m_validation_list != 00); 7088 7089 /* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */ 7090 /* 33 (32) would always fail the check below (if a cast to 64bits was done) */ 7091 /* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */ 7092 if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) || (p_j2k->m_cp.tcps->tccps->numresolutions > 32)) { 7093 opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n"); 7094 return OPJ_FALSE; 7095 } 7096 7097 if ((p_j2k->m_cp.tdx) < (OPJ_UINT32) (1 << (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) { 7098 opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n"); 7099 return OPJ_FALSE; 7100 } 7101 7102 if ((p_j2k->m_cp.tdy) < (OPJ_UINT32) (1 << (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) { 7103 opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n"); 7104 return OPJ_FALSE; 7105 } 7106 7107 /* PARAMETER VALIDATION */ 7108 return l_is_valid; 7109 } 7110 7111 OPJ_BOOL opj_j2k_decoding_validation ( opj_j2k_t *p_j2k, 7112 opj_stream_private_t *p_stream, 7113 opj_event_mgr_t * p_manager 7114 ) 7115 { 7116 OPJ_BOOL l_is_valid = OPJ_TRUE; 7117 7118 /* preconditions*/ 7119 assert(p_j2k != 00); 7120 assert(p_stream != 00); 7121 assert(p_manager != 00); 7122 7123 /* STATE checking */ 7124 /* make sure the state is at 0 */ 7125 #ifdef TODO_MSD 7126 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE); 7127 #endif 7128 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000); 7129 7130 /* POINTER validation */ 7131 /* make sure a p_j2k codec is present */ 7132 /* make sure a procedure list is present */ 7133 l_is_valid &= (p_j2k->m_procedure_list != 00); 7134 /* make sure a validation list is present */ 7135 l_is_valid &= (p_j2k->m_validation_list != 00); 7136 7137 /* PARAMETER VALIDATION */ 7138 return l_is_valid; 7139 } 7140 7141 OPJ_BOOL opj_j2k_read_header_procedure( opj_j2k_t *p_j2k, 7142 opj_stream_private_t *p_stream, 7143 opj_event_mgr_t * p_manager) 7144 { 7145 OPJ_UINT32 l_current_marker; 7146 OPJ_UINT32 l_marker_size; 7147 const opj_dec_memory_marker_handler_t * l_marker_handler = 00; 7148 OPJ_BOOL l_has_siz = 0; 7149 OPJ_BOOL l_has_cod = 0; 7150 OPJ_BOOL l_has_qcd = 0; 7151 7152 /* preconditions */ 7153 assert(p_stream != 00); 7154 assert(p_j2k != 00); 7155 assert(p_manager != 00); 7156 7157 /* We enter in the main header */ 7158 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC; 7159 7160 /* Try to read the SOC marker, the codestream must begin with SOC marker */ 7161 if (! opj_j2k_read_soc(p_j2k,p_stream,p_manager)) { 7162 opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n"); 7163 return OPJ_FALSE; 7164 } 7165 7166 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */ 7167 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { 7168 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7169 return OPJ_FALSE; 7170 } 7171 7172 /* Read 2 bytes as the new marker ID */ 7173 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2); 7174 7175 /* Try to read until the SOT is detected */ 7176 while (l_current_marker != J2K_MS_SOT) { 7177 7178 /* Check if the current marker ID is valid */ 7179 if (l_current_marker < 0xff00) { 7180 opj_event_msg(p_manager, EVT_ERROR, "A marker ID was expected (0xff--) instead of %.8x\n", l_current_marker); 7181 return OPJ_FALSE; 7182 } 7183 7184 /* Get the marker handler from the marker ID */ 7185 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker); 7186 7187 /* Manage case where marker is unknown */ 7188 if (l_marker_handler->id == J2K_MS_UNK) { 7189 if (! opj_j2k_read_unk(p_j2k, p_stream, &l_current_marker, p_manager)){ 7190 opj_event_msg(p_manager, EVT_ERROR, "Unknow marker have been detected and generated error.\n"); 7191 return OPJ_FALSE; 7192 } 7193 7194 if (l_current_marker == J2K_MS_SOT) 7195 break; /* SOT marker is detected main header is completely read */ 7196 else /* Get the marker handler from the marker ID */ 7197 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker); 7198 } 7199 7200 if (l_marker_handler->id == J2K_MS_SIZ) { 7201 /* Mark required SIZ marker as found */ 7202 l_has_siz = 1; 7203 } 7204 if (l_marker_handler->id == J2K_MS_COD) { 7205 /* Mark required COD marker as found */ 7206 l_has_cod = 1; 7207 } 7208 if (l_marker_handler->id == J2K_MS_QCD) { 7209 /* Mark required QCD marker as found */ 7210 l_has_qcd = 1; 7211 } 7212 7213 /* Check if the marker is known and if it is the right place to find it */ 7214 if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) { 7215 opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n"); 7216 return OPJ_FALSE; 7217 } 7218 7219 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */ 7220 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { 7221 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7222 return OPJ_FALSE; 7223 } 7224 7225 /* read 2 bytes as the marker size */ 7226 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2); 7227 l_marker_size -= 2; /* Subtract the size of the marker ID already read */ 7228 7229 /* Check if the marker size is compatible with the header data size */ 7230 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) { 7231 OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size); 7232 if (! new_header_data) { 7233 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data); 7234 p_j2k->m_specific_param.m_decoder.m_header_data = NULL; 7235 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0; 7236 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n"); 7237 return OPJ_FALSE; 7238 } 7239 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data; 7240 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size; 7241 } 7242 7243 /* Try to read the rest of the marker segment from stream and copy them into the buffer */ 7244 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size) { 7245 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7246 return OPJ_FALSE; 7247 } 7248 7249 /* Read the marker segment with the correct marker handler */ 7250 if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) { 7251 opj_event_msg(p_manager, EVT_ERROR, "Marker handler function failed to read the marker segment\n"); 7252 return OPJ_FALSE; 7253 } 7254 7255 /* Add the marker to the codestream index*/ 7256 if (OPJ_FALSE == opj_j2k_add_mhmarker( 7257 p_j2k->cstr_index, 7258 l_marker_handler->id, 7259 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4, 7260 l_marker_size + 4 )) { 7261 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); 7262 return OPJ_FALSE; 7263 } 7264 7265 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */ 7266 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { 7267 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7268 return OPJ_FALSE; 7269 } 7270 7271 /* read 2 bytes as the new marker ID */ 7272 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2); 7273 } 7274 7275 if (l_has_siz == 0) { 7276 opj_event_msg(p_manager, EVT_ERROR, "required SIZ marker not found in main header\n"); 7277 return OPJ_FALSE; 7278 } 7279 if (l_has_cod == 0) { 7280 opj_event_msg(p_manager, EVT_ERROR, "required COD marker not found in main header\n"); 7281 return OPJ_FALSE; 7282 } 7283 if (l_has_qcd == 0) { 7284 opj_event_msg(p_manager, EVT_ERROR, "required QCD marker not found in main header\n"); 7285 return OPJ_FALSE; 7286 } 7287 7288 opj_event_msg(p_manager, EVT_INFO, "Main header has been correctly decoded.\n"); 7289 7290 /* Position of the last element if the main header */ 7291 p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2; 7292 7293 /* Next step: read a tile-part header */ 7294 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT; 7295 7296 return OPJ_TRUE; 7297 } 7298 7299 OPJ_BOOL opj_j2k_exec ( opj_j2k_t * p_j2k, 7300 opj_procedure_list_t * p_procedure_list, 7301 opj_stream_private_t *p_stream, 7302 opj_event_mgr_t * p_manager ) 7303 { 7304 OPJ_BOOL (** l_procedure) (opj_j2k_t * ,opj_stream_private_t *,opj_event_mgr_t *) = 00; 7305 OPJ_BOOL l_result = OPJ_TRUE; 7306 OPJ_UINT32 l_nb_proc, i; 7307 7308 /* preconditions*/ 7309 assert(p_procedure_list != 00); 7310 assert(p_j2k != 00); 7311 assert(p_stream != 00); 7312 assert(p_manager != 00); 7313 7314 l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list); 7315 l_procedure = (OPJ_BOOL (**) (opj_j2k_t * ,opj_stream_private_t *,opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list); 7316 7317 for (i=0;i<l_nb_proc;++i) { 7318 l_result = l_result && ((*l_procedure) (p_j2k,p_stream,p_manager)); 7319 ++l_procedure; 7320 } 7321 7322 /* and clear the procedure list at the end.*/ 7323 opj_procedure_list_clear(p_procedure_list); 7324 return l_result; 7325 } 7326 7327 /* FIXME DOC*/ 7328 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd ( opj_j2k_t * p_j2k, 7329 opj_stream_private_t *p_stream, 7330 opj_event_mgr_t * p_manager 7331 ) 7332 { 7333 opj_tcp_t * l_tcp = 00; 7334 opj_tcp_t * l_default_tcp = 00; 7335 OPJ_UINT32 l_nb_tiles; 7336 OPJ_UINT32 i,j; 7337 opj_tccp_t *l_current_tccp = 00; 7338 OPJ_UINT32 l_tccp_size; 7339 OPJ_UINT32 l_mct_size; 7340 opj_image_t * l_image; 7341 OPJ_UINT32 l_mcc_records_size,l_mct_records_size; 7342 opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec; 7343 opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec; 7344 OPJ_UINT32 l_offset; 7345 7346 /* preconditions */ 7347 assert(p_j2k != 00); 7348 assert(p_stream != 00); 7349 assert(p_manager != 00); 7350 7351 l_image = p_j2k->m_private_image; 7352 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw; 7353 l_tcp = p_j2k->m_cp.tcps; 7354 l_tccp_size = l_image->numcomps * (OPJ_UINT32)sizeof(opj_tccp_t); 7355 l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp; 7356 l_mct_size = l_image->numcomps * l_image->numcomps * (OPJ_UINT32)sizeof(OPJ_FLOAT32); 7357 7358 /* For each tile */ 7359 for (i=0; i<l_nb_tiles; ++i) { 7360 /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/ 7361 l_current_tccp = l_tcp->tccps; 7362 /*Copy default coding parameters into the current tile coding parameters*/ 7363 memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_t)); 7364 /* Initialize some values of the current tile coding parameters*/ 7365 l_tcp->cod = 0; 7366 l_tcp->ppt = 0; 7367 l_tcp->ppt_data = 00; 7368 /* Remove memory not owned by this tile in case of early error return. */ 7369 l_tcp->m_mct_decoding_matrix = 00; 7370 l_tcp->m_nb_max_mct_records = 0; 7371 l_tcp->m_mct_records = 00; 7372 l_tcp->m_nb_max_mcc_records = 0; 7373 l_tcp->m_mcc_records = 00; 7374 /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/ 7375 l_tcp->tccps = l_current_tccp; 7376 7377 /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/ 7378 if (l_default_tcp->m_mct_decoding_matrix) { 7379 l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size); 7380 if (! l_tcp->m_mct_decoding_matrix ) { 7381 return OPJ_FALSE; 7382 } 7383 memcpy(l_tcp->m_mct_decoding_matrix,l_default_tcp->m_mct_decoding_matrix,l_mct_size); 7384 } 7385 7386 /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/ 7387 l_mct_records_size = l_default_tcp->m_nb_max_mct_records * (OPJ_UINT32)sizeof(opj_mct_data_t); 7388 l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size); 7389 if (! l_tcp->m_mct_records) { 7390 return OPJ_FALSE; 7391 } 7392 memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records,l_mct_records_size); 7393 7394 /* Copy the mct record data from dflt_tile_cp to the current tile*/ 7395 l_src_mct_rec = l_default_tcp->m_mct_records; 7396 l_dest_mct_rec = l_tcp->m_mct_records; 7397 7398 for (j=0;j<l_default_tcp->m_nb_mct_records;++j) { 7399 7400 if (l_src_mct_rec->m_data) { 7401 7402 l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size); 7403 if(! l_dest_mct_rec->m_data) { 7404 return OPJ_FALSE; 7405 } 7406 memcpy(l_dest_mct_rec->m_data,l_src_mct_rec->m_data,l_src_mct_rec->m_data_size); 7407 } 7408 7409 ++l_src_mct_rec; 7410 ++l_dest_mct_rec; 7411 /* Update with each pass to free exactly what has been allocated on early return. */ 7412 l_tcp->m_nb_max_mct_records += 1; 7413 } 7414 7415 /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/ 7416 l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * (OPJ_UINT32)sizeof(opj_simple_mcc_decorrelation_data_t); 7417 l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(l_mcc_records_size); 7418 if (! l_tcp->m_mcc_records) { 7419 return OPJ_FALSE; 7420 } 7421 memcpy(l_tcp->m_mcc_records,l_default_tcp->m_mcc_records,l_mcc_records_size); 7422 l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records; 7423 7424 /* Copy the mcc record data from dflt_tile_cp to the current tile*/ 7425 l_src_mcc_rec = l_default_tcp->m_mcc_records; 7426 l_dest_mcc_rec = l_tcp->m_mcc_records; 7427 7428 for (j=0;j<l_default_tcp->m_nb_max_mcc_records;++j) { 7429 7430 if (l_src_mcc_rec->m_decorrelation_array) { 7431 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_decorrelation_array - l_default_tcp->m_mct_records); 7432 l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset; 7433 } 7434 7435 if (l_src_mcc_rec->m_offset_array) { 7436 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_offset_array - l_default_tcp->m_mct_records); 7437 l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset; 7438 } 7439 7440 ++l_src_mcc_rec; 7441 ++l_dest_mcc_rec; 7442 } 7443 7444 /* Copy all the dflt_tile_compo_cp to the current tile cp */ 7445 memcpy(l_current_tccp,l_default_tcp->tccps,l_tccp_size); 7446 7447 /* Move to next tile cp*/ 7448 ++l_tcp; 7449 } 7450 7451 /* Create the current tile decoder*/ 7452 p_j2k->m_tcd = (opj_tcd_t*)opj_tcd_create(OPJ_TRUE); /* FIXME why a cast ? */ 7453 if (! p_j2k->m_tcd ) { 7454 return OPJ_FALSE; 7455 } 7456 7457 if ( !opj_tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp)) ) { 7458 opj_tcd_destroy(p_j2k->m_tcd); 7459 p_j2k->m_tcd = 00; 7460 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n"); 7461 return OPJ_FALSE; 7462 } 7463 7464 return OPJ_TRUE; 7465 } 7466 7467 const opj_dec_memory_marker_handler_t * opj_j2k_get_marker_handler (OPJ_UINT32 p_id) 7468 { 7469 const opj_dec_memory_marker_handler_t *e; 7470 for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) { 7471 if (e->id == p_id) { 7472 break; /* we find a handler corresponding to the marker ID*/ 7473 } 7474 } 7475 return e; 7476 } 7477 7478 void opj_j2k_destroy (opj_j2k_t *p_j2k) 7479 { 7480 if (p_j2k == 00) { 7481 return; 7482 } 7483 7484 if (p_j2k->m_is_decoder) { 7485 7486 if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) { 7487 opj_j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp); 7488 opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp); 7489 p_j2k->m_specific_param.m_decoder.m_default_tcp = 00; 7490 } 7491 7492 if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) { 7493 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data); 7494 p_j2k->m_specific_param.m_decoder.m_header_data = 00; 7495 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0; 7496 } 7497 } 7498 else { 7499 7500 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) { 7501 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data); 7502 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00; 7503 } 7504 7505 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) { 7506 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer); 7507 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00; 7508 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00; 7509 } 7510 7511 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) { 7512 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 7513 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00; 7514 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 7515 } 7516 } 7517 7518 opj_tcd_destroy(p_j2k->m_tcd); 7519 7520 opj_j2k_cp_destroy(&(p_j2k->m_cp)); 7521 memset(&(p_j2k->m_cp),0,sizeof(opj_cp_t)); 7522 7523 opj_procedure_list_destroy(p_j2k->m_procedure_list); 7524 p_j2k->m_procedure_list = 00; 7525 7526 opj_procedure_list_destroy(p_j2k->m_validation_list); 7527 p_j2k->m_procedure_list = 00; 7528 7529 j2k_destroy_cstr_index(p_j2k->cstr_index); 7530 p_j2k->cstr_index = NULL; 7531 7532 opj_image_destroy(p_j2k->m_private_image); 7533 p_j2k->m_private_image = NULL; 7534 7535 opj_image_destroy(p_j2k->m_output_image); 7536 p_j2k->m_output_image = NULL; 7537 7538 opj_free(p_j2k); 7539 } 7540 7541 void j2k_destroy_cstr_index (opj_codestream_index_t *p_cstr_ind) 7542 { 7543 if (p_cstr_ind) { 7544 7545 if (p_cstr_ind->marker) { 7546 opj_free(p_cstr_ind->marker); 7547 p_cstr_ind->marker = NULL; 7548 } 7549 7550 if (p_cstr_ind->tile_index) { 7551 OPJ_UINT32 it_tile = 0; 7552 7553 for (it_tile=0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) { 7554 7555 if(p_cstr_ind->tile_index[it_tile].packet_index) { 7556 opj_free(p_cstr_ind->tile_index[it_tile].packet_index); 7557 p_cstr_ind->tile_index[it_tile].packet_index = NULL; 7558 } 7559 7560 if(p_cstr_ind->tile_index[it_tile].tp_index){ 7561 opj_free(p_cstr_ind->tile_index[it_tile].tp_index); 7562 p_cstr_ind->tile_index[it_tile].tp_index = NULL; 7563 } 7564 7565 if(p_cstr_ind->tile_index[it_tile].marker){ 7566 opj_free(p_cstr_ind->tile_index[it_tile].marker); 7567 p_cstr_ind->tile_index[it_tile].marker = NULL; 7568 7569 } 7570 } 7571 7572 opj_free( p_cstr_ind->tile_index); 7573 p_cstr_ind->tile_index = NULL; 7574 } 7575 7576 opj_free(p_cstr_ind); 7577 } 7578 } 7579 7580 void opj_j2k_tcp_destroy (opj_tcp_t *p_tcp) 7581 { 7582 if (p_tcp == 00) { 7583 return; 7584 } 7585 7586 if (p_tcp->ppt_buffer != 00) { 7587 opj_free(p_tcp->ppt_buffer); 7588 p_tcp->ppt_buffer = 00; 7589 } 7590 7591 if (p_tcp->tccps != 00) { 7592 opj_free(p_tcp->tccps); 7593 p_tcp->tccps = 00; 7594 } 7595 7596 if (p_tcp->m_mct_coding_matrix != 00) { 7597 opj_free(p_tcp->m_mct_coding_matrix); 7598 p_tcp->m_mct_coding_matrix = 00; 7599 } 7600 7601 if (p_tcp->m_mct_decoding_matrix != 00) { 7602 opj_free(p_tcp->m_mct_decoding_matrix); 7603 p_tcp->m_mct_decoding_matrix = 00; 7604 } 7605 7606 if (p_tcp->m_mcc_records) { 7607 opj_free(p_tcp->m_mcc_records); 7608 p_tcp->m_mcc_records = 00; 7609 p_tcp->m_nb_max_mcc_records = 0; 7610 p_tcp->m_nb_mcc_records = 0; 7611 } 7612 7613 if (p_tcp->m_mct_records) { 7614 opj_mct_data_t * l_mct_data = p_tcp->m_mct_records; 7615 OPJ_UINT32 i; 7616 7617 for (i=0;i<p_tcp->m_nb_mct_records;++i) { 7618 if (l_mct_data->m_data) { 7619 opj_free(l_mct_data->m_data); 7620 l_mct_data->m_data = 00; 7621 } 7622 7623 ++l_mct_data; 7624 } 7625 7626 opj_free(p_tcp->m_mct_records); 7627 p_tcp->m_mct_records = 00; 7628 } 7629 7630 if (p_tcp->mct_norms != 00) { 7631 opj_free(p_tcp->mct_norms); 7632 p_tcp->mct_norms = 00; 7633 } 7634 7635 opj_j2k_tcp_data_destroy(p_tcp); 7636 7637 } 7638 7639 void opj_j2k_tcp_data_destroy (opj_tcp_t *p_tcp) 7640 { 7641 if (p_tcp->m_data) { 7642 opj_free(p_tcp->m_data); 7643 p_tcp->m_data = NULL; 7644 p_tcp->m_data_size = 0; 7645 } 7646 } 7647 7648 void opj_j2k_cp_destroy (opj_cp_t *p_cp) 7649 { 7650 OPJ_UINT32 l_nb_tiles; 7651 opj_tcp_t * l_current_tile = 00; 7652 OPJ_UINT32 i; 7653 7654 if (p_cp == 00) 7655 { 7656 return; 7657 } 7658 if (p_cp->tcps != 00) 7659 { 7660 l_current_tile = p_cp->tcps; 7661 l_nb_tiles = p_cp->th * p_cp->tw; 7662 7663 for (i = 0; i < l_nb_tiles; ++i) 7664 { 7665 opj_j2k_tcp_destroy(l_current_tile); 7666 ++l_current_tile; 7667 } 7668 opj_free(p_cp->tcps); 7669 p_cp->tcps = 00; 7670 } 7671 opj_free(p_cp->ppm_buffer); 7672 p_cp->ppm_buffer = 00; 7673 p_cp->ppm_data = NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */ 7674 opj_free(p_cp->comment); 7675 p_cp->comment = 00; 7676 if (! p_cp->m_is_decoder) 7677 { 7678 opj_free(p_cp->m_specific_param.m_enc.m_matrice); 7679 p_cp->m_specific_param.m_enc.m_matrice = 00; 7680 } 7681 } 7682 7683 OPJ_BOOL opj_j2k_read_tile_header( opj_j2k_t * p_j2k, 7684 OPJ_UINT32 * p_tile_index, 7685 OPJ_UINT32 * p_data_size, 7686 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0, 7687 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1, 7688 OPJ_UINT32 * p_nb_comps, 7689 OPJ_BOOL * p_go_on, 7690 opj_stream_private_t *p_stream, 7691 opj_event_mgr_t * p_manager ) 7692 { 7693 OPJ_UINT32 l_current_marker = J2K_MS_SOT; 7694 OPJ_UINT32 l_marker_size; 7695 const opj_dec_memory_marker_handler_t * l_marker_handler = 00; 7696 opj_tcp_t * l_tcp = NULL; 7697 OPJ_UINT32 l_nb_tiles; 7698 7699 /* preconditions */ 7700 assert(p_stream != 00); 7701 assert(p_j2k != 00); 7702 assert(p_manager != 00); 7703 7704 /* Reach the End Of Codestream ?*/ 7705 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC){ 7706 l_current_marker = J2K_MS_EOC; 7707 } 7708 /* We need to encounter a SOT marker (a new tile-part header) */ 7709 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT){ 7710 return OPJ_FALSE; 7711 } 7712 7713 /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */ 7714 while ( (!p_j2k->m_specific_param.m_decoder.m_can_decode) && (l_current_marker != J2K_MS_EOC) ) { 7715 7716 /* Try to read until the Start Of Data is detected */ 7717 while (l_current_marker != J2K_MS_SOD) { 7718 7719 if(opj_stream_get_number_byte_left(p_stream) == 0) 7720 { 7721 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC; 7722 break; 7723 } 7724 7725 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */ 7726 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { 7727 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7728 return OPJ_FALSE; 7729 } 7730 7731 /* Read 2 bytes from the buffer as the marker size */ 7732 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2); 7733 7734 /* Check marker size (does not include marker ID but includes marker size) */ 7735 if (l_marker_size < 2) { 7736 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n"); 7737 return OPJ_FALSE; 7738 } 7739 7740 /* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */ 7741 if (l_current_marker == 0x8080 && opj_stream_get_number_byte_left(p_stream) == 0) { 7742 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC; 7743 break; 7744 } 7745 7746 /* Why this condition? FIXME */ 7747 if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH){ 7748 p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2); 7749 } 7750 l_marker_size -= 2; /* Subtract the size of the marker ID already read */ 7751 7752 /* Get the marker handler from the marker ID */ 7753 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker); 7754 7755 /* Check if the marker is known and if it is the right place to find it */ 7756 if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) { 7757 opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n"); 7758 return OPJ_FALSE; 7759 } 7760 /* FIXME manage case of unknown marker as in the main header ? */ 7761 7762 /* Check if the marker size is compatible with the header data size */ 7763 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) { 7764 OPJ_BYTE *new_header_data = NULL; 7765 /* If we are here, this means we consider this marker as known & we will read it */ 7766 /* Check enough bytes left in stream before allocation */ 7767 if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) { 7768 opj_event_msg(p_manager, EVT_ERROR, "Marker size inconsistent with stream length\n"); 7769 return OPJ_FALSE; 7770 } 7771 new_header_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size); 7772 if (! new_header_data) { 7773 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data); 7774 p_j2k->m_specific_param.m_decoder.m_header_data = NULL; 7775 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0; 7776 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n"); 7777 return OPJ_FALSE; 7778 } 7779 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data; 7780 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size; 7781 } 7782 7783 /* Try to read the rest of the marker segment from stream and copy them into the buffer */ 7784 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size) { 7785 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7786 return OPJ_FALSE; 7787 } 7788 7789 if (!l_marker_handler->handler) { 7790 /* See issue #175 */ 7791 opj_event_msg(p_manager, EVT_ERROR, "Not sure how that happened.\n"); 7792 return OPJ_FALSE; 7793 } 7794 /* Read the marker segment with the correct marker handler */ 7795 if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) { 7796 opj_event_msg(p_manager, EVT_ERROR, "Fail to read the current marker segment (%#x)\n", l_current_marker); 7797 return OPJ_FALSE; 7798 } 7799 7800 /* Add the marker to the codestream index*/ 7801 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number, 7802 p_j2k->cstr_index, 7803 l_marker_handler->id, 7804 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4, 7805 l_marker_size + 4 )) { 7806 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); 7807 return OPJ_FALSE; 7808 } 7809 7810 /* Keep the position of the last SOT marker read */ 7811 if ( l_marker_handler->id == J2K_MS_SOT ) { 7812 OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4 ; 7813 if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos) 7814 { 7815 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos; 7816 } 7817 } 7818 7819 if (p_j2k->m_specific_param.m_decoder.m_skip_data) { 7820 /* Skip the rest of the tile part header*/ 7821 if (opj_stream_skip(p_stream,p_j2k->m_specific_param.m_decoder.m_sot_length,p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) { 7822 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7823 return OPJ_FALSE; 7824 } 7825 l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */ 7826 } 7827 else { 7828 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/ 7829 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { 7830 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7831 return OPJ_FALSE; 7832 } 7833 /* Read 2 bytes from the buffer as the new marker ID */ 7834 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2); 7835 } 7836 } 7837 if(opj_stream_get_number_byte_left(p_stream) == 0 7838 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) 7839 break; 7840 7841 /* If we didn't skip data before, we need to read the SOD marker*/ 7842 if (! p_j2k->m_specific_param.m_decoder.m_skip_data) { 7843 /* Try to read the SOD marker and skip data ? FIXME */ 7844 if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) { 7845 return OPJ_FALSE; 7846 } 7847 7848 if (! p_j2k->m_specific_param.m_decoder.m_can_decode){ 7849 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */ 7850 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { 7851 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7852 return OPJ_FALSE; 7853 } 7854 7855 /* Read 2 bytes from buffer as the new marker ID */ 7856 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2); 7857 } 7858 } 7859 else { 7860 /* Indicate we will try to read a new tile-part header*/ 7861 p_j2k->m_specific_param.m_decoder.m_skip_data = 0; 7862 p_j2k->m_specific_param.m_decoder.m_can_decode = 0; 7863 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT; 7864 7865 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */ 7866 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { 7867 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7868 return OPJ_FALSE; 7869 } 7870 7871 /* Read 2 bytes from buffer as the new marker ID */ 7872 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2); 7873 } 7874 } 7875 7876 /* Current marker is the EOC marker ?*/ 7877 if (l_current_marker == J2K_MS_EOC) { 7878 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC ){ 7879 p_j2k->m_current_tile_number = 0; 7880 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC; 7881 } 7882 } 7883 7884 /* FIXME DOC ???*/ 7885 if ( ! p_j2k->m_specific_param.m_decoder.m_can_decode) { 7886 l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number; 7887 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw; 7888 7889 while( (p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00) ) { 7890 ++p_j2k->m_current_tile_number; 7891 ++l_tcp; 7892 } 7893 7894 if (p_j2k->m_current_tile_number == l_nb_tiles) { 7895 *p_go_on = OPJ_FALSE; 7896 return OPJ_TRUE; 7897 } 7898 } 7899 7900 /*FIXME ???*/ 7901 if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) { 7902 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n"); 7903 return OPJ_FALSE; 7904 } 7905 7906 opj_event_msg(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n", 7907 p_j2k->m_current_tile_number+1, (p_j2k->m_cp.th * p_j2k->m_cp.tw)); 7908 7909 *p_tile_index = p_j2k->m_current_tile_number; 7910 *p_go_on = OPJ_TRUE; 7911 *p_data_size = opj_tcd_get_decoded_tile_size(p_j2k->m_tcd); 7912 *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0; 7913 *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0; 7914 *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1; 7915 *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1; 7916 *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps; 7917 7918 p_j2k->m_specific_param.m_decoder.m_state |= 0x0080;/* FIXME J2K_DEC_STATE_DATA;*/ 7919 7920 return OPJ_TRUE; 7921 } 7922 7923 OPJ_BOOL opj_j2k_decode_tile ( opj_j2k_t * p_j2k, 7924 OPJ_UINT32 p_tile_index, 7925 OPJ_BYTE * p_data, 7926 OPJ_UINT32 p_data_size, 7927 opj_stream_private_t *p_stream, 7928 opj_event_mgr_t * p_manager ) 7929 { 7930 OPJ_UINT32 l_current_marker; 7931 OPJ_BYTE l_data [2]; 7932 opj_tcp_t * l_tcp; 7933 7934 /* preconditions */ 7935 assert(p_stream != 00); 7936 assert(p_j2k != 00); 7937 assert(p_manager != 00); 7938 7939 if ( !(p_j2k->m_specific_param.m_decoder.m_state & 0x0080/*FIXME J2K_DEC_STATE_DATA*/) 7940 || (p_tile_index != p_j2k->m_current_tile_number) ) { 7941 return OPJ_FALSE; 7942 } 7943 7944 l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]); 7945 if (! l_tcp->m_data) { 7946 opj_j2k_tcp_destroy(l_tcp); 7947 return OPJ_FALSE; 7948 } 7949 7950 if (! opj_tcd_decode_tile( p_j2k->m_tcd, 7951 l_tcp->m_data, 7952 l_tcp->m_data_size, 7953 p_tile_index, 7954 p_j2k->cstr_index) ) { 7955 opj_j2k_tcp_destroy(l_tcp); 7956 p_j2k->m_specific_param.m_decoder.m_state |= 0x8000;/*FIXME J2K_DEC_STATE_ERR;*/ 7957 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode.\n"); 7958 return OPJ_FALSE; 7959 } 7960 7961 if (! opj_tcd_update_tile_data(p_j2k->m_tcd,p_data,p_data_size)) { 7962 return OPJ_FALSE; 7963 } 7964 7965 /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access) 7966 * we destroy just the data which will be re-read in read_tile_header*/ 7967 /*opj_j2k_tcp_destroy(l_tcp); 7968 p_j2k->m_tcd->tcp = 0;*/ 7969 opj_j2k_tcp_data_destroy(l_tcp); 7970 7971 p_j2k->m_specific_param.m_decoder.m_can_decode = 0; 7972 p_j2k->m_specific_param.m_decoder.m_state &= (~ (0x0080u));/* FIXME J2K_DEC_STATE_DATA);*/ 7973 7974 if(opj_stream_get_number_byte_left(p_stream) == 0 7975 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC){ 7976 return OPJ_TRUE; 7977 } 7978 7979 if (p_j2k->m_specific_param.m_decoder.m_state != 0x0100){ /*FIXME J2K_DEC_STATE_EOC)*/ 7980 if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) { 7981 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); 7982 return OPJ_FALSE; 7983 } 7984 7985 opj_read_bytes(l_data,&l_current_marker,2); 7986 7987 if (l_current_marker == J2K_MS_EOC) { 7988 p_j2k->m_current_tile_number = 0; 7989 p_j2k->m_specific_param.m_decoder.m_state = 0x0100;/*FIXME J2K_DEC_STATE_EOC;*/ 7990 } 7991 else if (l_current_marker != J2K_MS_SOT) 7992 { 7993 if(opj_stream_get_number_byte_left(p_stream) == 0) { 7994 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC; 7995 opj_event_msg(p_manager, EVT_WARNING, "Stream does not end with EOC\n"); 7996 return OPJ_TRUE; 7997 } 7998 opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n"); 7999 return OPJ_FALSE; 8000 } 8001 } 8002 8003 return OPJ_TRUE; 8004 } 8005 8006 OPJ_BOOL opj_j2k_update_image_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data, opj_image_t* p_output_image) 8007 { 8008 OPJ_UINT32 i,j,k = 0; 8009 OPJ_UINT32 l_width_src,l_height_src; 8010 OPJ_UINT32 l_width_dest,l_height_dest; 8011 OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src; 8012 OPJ_INT32 l_start_offset_src, l_line_offset_src, l_end_offset_src ; 8013 OPJ_UINT32 l_start_x_dest , l_start_y_dest; 8014 OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest; 8015 OPJ_INT32 l_start_offset_dest, l_line_offset_dest; 8016 8017 opj_image_comp_t * l_img_comp_src = 00; 8018 opj_image_comp_t * l_img_comp_dest = 00; 8019 8020 opj_tcd_tilecomp_t * l_tilec = 00; 8021 opj_image_t * l_image_src = 00; 8022 OPJ_UINT32 l_size_comp, l_remaining; 8023 OPJ_INT32 * l_dest_ptr; 8024 opj_tcd_resolution_t* l_res= 00; 8025 8026 l_tilec = p_tcd->tcd_image->tiles->comps; 8027 l_image_src = p_tcd->image; 8028 l_img_comp_src = l_image_src->comps; 8029 8030 l_img_comp_dest = p_output_image->comps; 8031 8032 for (i=0; i<l_image_src->numcomps; i++) { 8033 8034 /* Allocate output component buffer if necessary */ 8035 if (!l_img_comp_dest->data) { 8036 OPJ_UINT32 width = l_img_comp_dest->w; 8037 OPJ_UINT32 height = l_img_comp_dest->h; 8038 const OPJ_UINT32 MAX_SIZE = UINT32_MAX / sizeof(OPJ_INT32); 8039 if (height == 0 || width > MAX_SIZE / height) { 8040 return OPJ_FALSE; 8041 } 8042 l_img_comp_dest->data = (OPJ_INT32*) opj_calloc(width * height, sizeof(OPJ_INT32)); 8043 if (!l_img_comp_dest->data) { 8044 return OPJ_FALSE; 8045 } 8046 } 8047 8048 /* Copy info from decoded comp image to output image */ 8049 l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded; 8050 8051 /*-----*/ 8052 /* Compute the precision of the output buffer */ 8053 l_size_comp = l_img_comp_src->prec >> 3; /*(/ 8)*/ 8054 l_remaining = l_img_comp_src->prec & 7; /* (%8) */ 8055 l_res = l_tilec->resolutions + l_img_comp_src->resno_decoded; 8056 8057 if (l_remaining) { 8058 ++l_size_comp; 8059 } 8060 8061 if (l_size_comp == 3) { 8062 l_size_comp = 4; 8063 } 8064 /*-----*/ 8065 8066 /* Current tile component size*/ 8067 /*if (i == 0) { 8068 fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n", 8069 l_res->x0, l_res->x1, l_res->y0, l_res->y1); 8070 }*/ 8071 8072 l_width_src = (OPJ_UINT32)(l_res->x1 - l_res->x0); 8073 l_height_src = (OPJ_UINT32)(l_res->y1 - l_res->y0); 8074 8075 /* Border of the current output component*/ 8076 l_x0_dest = (OPJ_UINT32)opj_int_ceildivpow2((OPJ_INT32)l_img_comp_dest->x0, (OPJ_INT32)l_img_comp_dest->factor); 8077 l_y0_dest = (OPJ_UINT32)opj_int_ceildivpow2((OPJ_INT32)l_img_comp_dest->y0, (OPJ_INT32)l_img_comp_dest->factor); 8078 l_x1_dest = l_x0_dest + l_img_comp_dest->w; 8079 l_y1_dest = l_y0_dest + l_img_comp_dest->h; 8080 8081 /*if (i == 0) { 8082 fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n", 8083 l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor ); 8084 }*/ 8085 8086 /*-----*/ 8087 /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src) 8088 * of the input buffer (decoded tile component) which will be move 8089 * in the output buffer. Compute the area of the output buffer (l_start_x_dest, 8090 * l_start_y_dest, l_width_dest, l_height_dest) which will be modified 8091 * by this input area. 8092 * */ 8093 assert( l_res->x0 >= 0); 8094 assert( l_res->x1 >= 0); 8095 if ( l_x0_dest < (OPJ_UINT32)l_res->x0 ) { 8096 l_start_x_dest = (OPJ_UINT32)l_res->x0 - l_x0_dest; 8097 l_offset_x0_src = 0; 8098 8099 if ( l_x1_dest >= (OPJ_UINT32)l_res->x1 ) { 8100 l_width_dest = l_width_src; 8101 l_offset_x1_src = 0; 8102 } 8103 else { 8104 l_width_dest = l_x1_dest - (OPJ_UINT32)l_res->x0 ; 8105 l_offset_x1_src = (OPJ_INT32)(l_width_src - l_width_dest); 8106 } 8107 } 8108 else { 8109 l_start_x_dest = 0 ; 8110 l_offset_x0_src = (OPJ_INT32)l_x0_dest - l_res->x0; 8111 8112 if ( l_x1_dest >= (OPJ_UINT32)l_res->x1 ) { 8113 l_width_dest = l_width_src - (OPJ_UINT32)l_offset_x0_src; 8114 l_offset_x1_src = 0; 8115 } 8116 else { 8117 l_width_dest = l_img_comp_dest->w ; 8118 l_offset_x1_src = l_res->x1 - (OPJ_INT32)l_x1_dest; 8119 } 8120 } 8121 8122 if ( l_y0_dest < (OPJ_UINT32)l_res->y0 ) { 8123 l_start_y_dest = (OPJ_UINT32)l_res->y0 - l_y0_dest; 8124 l_offset_y0_src = 0; 8125 8126 if ( l_y1_dest >= (OPJ_UINT32)l_res->y1 ) { 8127 l_height_dest = l_height_src; 8128 l_offset_y1_src = 0; 8129 } 8130 else { 8131 l_height_dest = l_y1_dest - (OPJ_UINT32)l_res->y0 ; 8132 l_offset_y1_src = (OPJ_INT32)(l_height_src - l_height_dest); 8133 } 8134 } 8135 else { 8136 l_start_y_dest = 0 ; 8137 l_offset_y0_src = (OPJ_INT32)l_y0_dest - l_res->y0; 8138 8139 if ( l_y1_dest >= (OPJ_UINT32)l_res->y1 ) { 8140 l_height_dest = l_height_src - (OPJ_UINT32)l_offset_y0_src; 8141 l_offset_y1_src = 0; 8142 } 8143 else { 8144 l_height_dest = l_img_comp_dest->h ; 8145 l_offset_y1_src = l_res->y1 - (OPJ_INT32)l_y1_dest; 8146 } 8147 } 8148 8149 if( (l_offset_x0_src < 0 ) || (l_offset_y0_src < 0 ) || (l_offset_x1_src < 0 ) || (l_offset_y1_src < 0 ) ){ 8150 return OPJ_FALSE; 8151 } 8152 /* testcase 2977.pdf.asan.67.2198 */ 8153 if ((OPJ_INT32)l_width_dest < 0 || (OPJ_INT32)l_height_dest < 0) { 8154 return OPJ_FALSE; 8155 } 8156 /*-----*/ 8157 8158 /* Compute the input buffer offset */ 8159 l_start_offset_src = l_offset_x0_src + l_offset_y0_src * (OPJ_INT32)l_width_src; 8160 l_line_offset_src = l_offset_x1_src + l_offset_x0_src; 8161 l_end_offset_src = l_offset_y1_src * (OPJ_INT32)l_width_src - l_offset_x0_src; 8162 8163 /* Compute the output buffer offset */ 8164 l_start_offset_dest = (OPJ_INT32)(l_start_x_dest + l_start_y_dest * l_img_comp_dest->w); 8165 l_line_offset_dest = (OPJ_INT32)(l_img_comp_dest->w - l_width_dest); 8166 8167 /* Move the output buffer to the first place where we will write*/ 8168 l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest; 8169 8170 /*if (i == 0) { 8171 fprintf(stdout, "COMPO[%d]:\n",i); 8172 fprintf(stdout, "SRC: l_start_x_src=%d, l_start_y_src=%d, l_width_src=%d, l_height_src=%d\n" 8173 "\t tile offset:%d, %d, %d, %d\n" 8174 "\t buffer offset: %d; %d, %d\n", 8175 l_res->x0, l_res->y0, l_width_src, l_height_src, 8176 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src, 8177 l_start_offset_src, l_line_offset_src, l_end_offset_src); 8178 8179 fprintf(stdout, "DEST: l_start_x_dest=%d, l_start_y_dest=%d, l_width_dest=%d, l_height_dest=%d\n" 8180 "\t start offset: %d, line offset= %d\n", 8181 l_start_x_dest, l_start_y_dest, l_width_dest, l_height_dest, l_start_offset_dest, l_line_offset_dest); 8182 }*/ 8183 8184 switch (l_size_comp) { 8185 case 1: 8186 { 8187 OPJ_CHAR * l_src_ptr = (OPJ_CHAR*) p_data; 8188 l_src_ptr += l_start_offset_src; /* Move to the first place where we will read*/ 8189 8190 if (l_img_comp_src->sgnd) { 8191 for (j = 0 ; j < l_height_dest ; ++j) { 8192 for ( k = 0 ; k < l_width_dest ; ++k) { 8193 *(l_dest_ptr++) = (OPJ_INT32) (*(l_src_ptr++)); /* Copy only the data needed for the output image */ 8194 } 8195 8196 l_dest_ptr+= l_line_offset_dest; /* Move to the next place where we will write */ 8197 l_src_ptr += l_line_offset_src ; /* Move to the next place where we will read */ 8198 } 8199 } 8200 else { 8201 for ( j = 0 ; j < l_height_dest ; ++j ) { 8202 for ( k = 0 ; k < l_width_dest ; ++k) { 8203 *(l_dest_ptr++) = (OPJ_INT32) ((*(l_src_ptr++))&0xff); 8204 } 8205 8206 l_dest_ptr+= l_line_offset_dest; 8207 l_src_ptr += l_line_offset_src; 8208 } 8209 } 8210 8211 l_src_ptr += l_end_offset_src; /* Move to the end of this component-part of the input buffer */ 8212 p_data = (OPJ_BYTE*) l_src_ptr; /* Keep the current position for the next component-part */ 8213 } 8214 break; 8215 case 2: 8216 { 8217 OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_data; 8218 l_src_ptr += l_start_offset_src; 8219 8220 if (l_img_comp_src->sgnd) { 8221 for (j=0;j<l_height_dest;++j) { 8222 for (k=0;k<l_width_dest;++k) { 8223 *(l_dest_ptr++) = *(l_src_ptr++); 8224 } 8225 8226 l_dest_ptr+= l_line_offset_dest; 8227 l_src_ptr += l_line_offset_src ; 8228 } 8229 } 8230 else { 8231 for (j=0;j<l_height_dest;++j) { 8232 for (k=0;k<l_width_dest;++k) { 8233 *(l_dest_ptr++) = (*(l_src_ptr++))&0xffff; 8234 } 8235 8236 l_dest_ptr+= l_line_offset_dest; 8237 l_src_ptr += l_line_offset_src ; 8238 } 8239 } 8240 8241 l_src_ptr += l_end_offset_src; 8242 p_data = (OPJ_BYTE*) l_src_ptr; 8243 } 8244 break; 8245 case 4: 8246 { 8247 OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_data; 8248 l_src_ptr += l_start_offset_src; 8249 8250 for (j=0;j<l_height_dest;++j) { 8251 for (k=0;k<l_width_dest;++k) { 8252 *(l_dest_ptr++) = (*(l_src_ptr++)); 8253 } 8254 8255 l_dest_ptr+= l_line_offset_dest; 8256 l_src_ptr += l_line_offset_src ; 8257 } 8258 8259 l_src_ptr += l_end_offset_src; 8260 p_data = (OPJ_BYTE*) l_src_ptr; 8261 } 8262 break; 8263 } 8264 8265 ++l_img_comp_dest; 8266 ++l_img_comp_src; 8267 ++l_tilec; 8268 } 8269 8270 return OPJ_TRUE; 8271 } 8272 8273 OPJ_BOOL opj_j2k_set_decode_area( opj_j2k_t *p_j2k, 8274 opj_image_t* p_image, 8275 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, 8276 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y, 8277 opj_event_mgr_t * p_manager ) 8278 { 8279 opj_cp_t * l_cp = &(p_j2k->m_cp); 8280 opj_image_t * l_image = p_j2k->m_private_image; 8281 8282 OPJ_UINT32 it_comp; 8283 OPJ_INT32 l_comp_x1, l_comp_y1; 8284 opj_image_comp_t* l_img_comp = NULL; 8285 8286 /* Check if we are read the main header */ 8287 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) { /* FIXME J2K_DEC_STATE_TPHSOT)*/ 8288 opj_event_msg(p_manager, EVT_ERROR, "Need to decode the main header before begin to decode the remaining codestream"); 8289 return OPJ_FALSE; 8290 } 8291 8292 if ( !p_start_x && !p_start_y && !p_end_x && !p_end_y){ 8293 opj_event_msg(p_manager, EVT_INFO, "No decoded area parameters, set the decoded area to the whole image\n"); 8294 8295 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0; 8296 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0; 8297 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw; 8298 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th; 8299 8300 return OPJ_TRUE; 8301 } 8302 8303 /* ----- */ 8304 /* Check if the positions provided by the user are correct */ 8305 8306 /* Left */ 8307 assert(p_start_x >= 0 ); 8308 assert(p_start_y >= 0 ); 8309 8310 if ((OPJ_UINT32)p_start_x > l_image->x1 ) { 8311 opj_event_msg(p_manager, EVT_ERROR, 8312 "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n", 8313 p_start_x, l_image->x1); 8314 return OPJ_FALSE; 8315 } 8316 else if ((OPJ_UINT32)p_start_x < l_image->x0){ 8317 opj_event_msg(p_manager, EVT_WARNING, 8318 "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n", 8319 p_start_x, l_image->x0); 8320 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0; 8321 p_image->x0 = l_image->x0; 8322 } 8323 else { 8324 p_j2k->m_specific_param.m_decoder.m_start_tile_x = ((OPJ_UINT32)p_start_x - l_cp->tx0) / l_cp->tdx; 8325 p_image->x0 = (OPJ_UINT32)p_start_x; 8326 } 8327 8328 /* Up */ 8329 if ((OPJ_UINT32)p_start_y > l_image->y1){ 8330 opj_event_msg(p_manager, EVT_ERROR, 8331 "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n", 8332 p_start_y, l_image->y1); 8333 return OPJ_FALSE; 8334 } 8335 else if ((OPJ_UINT32)p_start_y < l_image->y0){ 8336 opj_event_msg(p_manager, EVT_WARNING, 8337 "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n", 8338 p_start_y, l_image->y0); 8339 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0; 8340 p_image->y0 = l_image->y0; 8341 } 8342 else { 8343 p_j2k->m_specific_param.m_decoder.m_start_tile_y = ((OPJ_UINT32)p_start_y - l_cp->ty0) / l_cp->tdy; 8344 p_image->y0 = (OPJ_UINT32)p_start_y; 8345 } 8346 8347 /* Right */ 8348 assert((OPJ_UINT32)p_end_x > 0); 8349 assert((OPJ_UINT32)p_end_y > 0); 8350 if ((OPJ_UINT32)p_end_x < l_image->x0) { 8351 opj_event_msg(p_manager, EVT_ERROR, 8352 "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n", 8353 p_end_x, l_image->x0); 8354 return OPJ_FALSE; 8355 } 8356 else if ((OPJ_UINT32)p_end_x > l_image->x1) { 8357 opj_event_msg(p_manager, EVT_WARNING, 8358 "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n", 8359 p_end_x, l_image->x1); 8360 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw; 8361 p_image->x1 = l_image->x1; 8362 } 8363 else { 8364 p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv(p_end_x - (OPJ_INT32)l_cp->tx0, (OPJ_INT32)l_cp->tdx); 8365 p_image->x1 = (OPJ_UINT32)p_end_x; 8366 } 8367 8368 /* Bottom */ 8369 if ((OPJ_UINT32)p_end_y < l_image->y0) { 8370 opj_event_msg(p_manager, EVT_ERROR, 8371 "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n", 8372 p_end_y, l_image->y0); 8373 return OPJ_FALSE; 8374 } 8375 if ((OPJ_UINT32)p_end_y > l_image->y1){ 8376 opj_event_msg(p_manager, EVT_WARNING, 8377 "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n", 8378 p_end_y, l_image->y1); 8379 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th; 8380 p_image->y1 = l_image->y1; 8381 } 8382 else{ 8383 p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv(p_end_y - (OPJ_INT32)l_cp->ty0, (OPJ_INT32)l_cp->tdy); 8384 p_image->y1 = (OPJ_UINT32)p_end_y; 8385 } 8386 /* ----- */ 8387 8388 p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1; 8389 8390 l_img_comp = p_image->comps; 8391 for (it_comp=0; it_comp < p_image->numcomps; ++it_comp) 8392 { 8393 OPJ_INT32 l_h,l_w; 8394 8395 l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0, (OPJ_INT32)l_img_comp->dx); 8396 l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0, (OPJ_INT32)l_img_comp->dy); 8397 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx); 8398 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy); 8399 8400 l_w = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor) 8401 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor); 8402 if (l_w < 0){ 8403 opj_event_msg(p_manager, EVT_ERROR, 8404 "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n", 8405 it_comp, l_w); 8406 return OPJ_FALSE; 8407 } 8408 l_img_comp->w = (OPJ_UINT32)l_w; 8409 8410 l_h = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor) 8411 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor); 8412 if (l_h < 0){ 8413 opj_event_msg(p_manager, EVT_ERROR, 8414 "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n", 8415 it_comp, l_h); 8416 return OPJ_FALSE; 8417 } 8418 l_img_comp->h = (OPJ_UINT32)l_h; 8419 8420 l_img_comp++; 8421 } 8422 8423 opj_event_msg( p_manager, EVT_INFO,"Setting decoding area to %d,%d,%d,%d\n", 8424 p_image->x0, p_image->y0, p_image->x1, p_image->y1); 8425 8426 return OPJ_TRUE; 8427 } 8428 8429 opj_j2k_t* opj_j2k_create_decompress(void) 8430 { 8431 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1,sizeof(opj_j2k_t)); 8432 if (!l_j2k) { 8433 return 00; 8434 } 8435 8436 l_j2k->m_is_decoder = 1; 8437 l_j2k->m_cp.m_is_decoder = 1; 8438 8439 l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(1,sizeof(opj_tcp_t)); 8440 if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) { 8441 opj_j2k_destroy(l_j2k); 8442 return 00; 8443 } 8444 8445 l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_calloc(1,OPJ_J2K_DEFAULT_HEADER_SIZE); 8446 if (! l_j2k->m_specific_param.m_decoder.m_header_data) { 8447 opj_j2k_destroy(l_j2k); 8448 return 00; 8449 } 8450 8451 l_j2k->m_specific_param.m_decoder.m_header_data_size = OPJ_J2K_DEFAULT_HEADER_SIZE; 8452 8453 l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ; 8454 8455 l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ; 8456 8457 /* codestream index creation */ 8458 l_j2k->cstr_index = opj_j2k_create_cstr_index(); 8459 if (!l_j2k->cstr_index){ 8460 opj_j2k_destroy(l_j2k); 8461 return 00; 8462 } 8463 8464 /* validation list creation */ 8465 l_j2k->m_validation_list = opj_procedure_list_create(); 8466 if (! l_j2k->m_validation_list) { 8467 opj_j2k_destroy(l_j2k); 8468 return 00; 8469 } 8470 8471 /* execution list creation */ 8472 l_j2k->m_procedure_list = opj_procedure_list_create(); 8473 if (! l_j2k->m_procedure_list) { 8474 opj_j2k_destroy(l_j2k); 8475 return 00; 8476 } 8477 8478 return l_j2k; 8479 } 8480 8481 opj_codestream_index_t* opj_j2k_create_cstr_index(void) 8482 { 8483 opj_codestream_index_t* cstr_index = (opj_codestream_index_t*) 8484 opj_calloc(1,sizeof(opj_codestream_index_t)); 8485 if (!cstr_index) 8486 return NULL; 8487 8488 cstr_index->maxmarknum = 100; 8489 cstr_index->marknum = 0; 8490 cstr_index->marker = (opj_marker_info_t*) 8491 opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t)); 8492 if (!cstr_index-> marker) 8493 return NULL; 8494 8495 cstr_index->tile_index = NULL; 8496 8497 return cstr_index; 8498 } 8499 8500 OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size ( opj_j2k_t *p_j2k, 8501 OPJ_UINT32 p_tile_no, 8502 OPJ_UINT32 p_comp_no ) 8503 { 8504 opj_cp_t *l_cp = 00; 8505 opj_tcp_t *l_tcp = 00; 8506 opj_tccp_t *l_tccp = 00; 8507 8508 /* preconditions */ 8509 assert(p_j2k != 00); 8510 8511 l_cp = &(p_j2k->m_cp); 8512 l_tcp = &l_cp->tcps[p_tile_no]; 8513 l_tccp = &l_tcp->tccps[p_comp_no]; 8514 8515 /* preconditions again */ 8516 assert(p_tile_no < (l_cp->tw * l_cp->th)); 8517 assert(p_comp_no < p_j2k->m_private_image->numcomps); 8518 8519 if (l_tccp->csty & J2K_CCP_CSTY_PRT) { 8520 return 5 + l_tccp->numresolutions; 8521 } 8522 else { 8523 return 5; 8524 } 8525 } 8526 8527 OPJ_BOOL opj_j2k_write_SPCod_SPCoc( opj_j2k_t *p_j2k, 8528 OPJ_UINT32 p_tile_no, 8529 OPJ_UINT32 p_comp_no, 8530 OPJ_BYTE * p_data, 8531 OPJ_UINT32 * p_header_size, 8532 struct opj_event_mgr * p_manager ) 8533 { 8534 OPJ_UINT32 i; 8535 opj_cp_t *l_cp = 00; 8536 opj_tcp_t *l_tcp = 00; 8537 opj_tccp_t *l_tccp = 00; 8538 8539 /* preconditions */ 8540 assert(p_j2k != 00); 8541 assert(p_header_size != 00); 8542 assert(p_manager != 00); 8543 assert(p_data != 00); 8544 8545 l_cp = &(p_j2k->m_cp); 8546 l_tcp = &l_cp->tcps[p_tile_no]; 8547 l_tccp = &l_tcp->tccps[p_comp_no]; 8548 8549 /* preconditions again */ 8550 assert(p_tile_no < (l_cp->tw * l_cp->th)); 8551 assert(p_comp_no <(p_j2k->m_private_image->numcomps)); 8552 8553 if (*p_header_size < 5) { 8554 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n"); 8555 return OPJ_FALSE; 8556 } 8557 8558 opj_write_bytes(p_data,l_tccp->numresolutions - 1, 1); /* SPcoc (D) */ 8559 ++p_data; 8560 8561 opj_write_bytes(p_data,l_tccp->cblkw - 2, 1); /* SPcoc (E) */ 8562 ++p_data; 8563 8564 opj_write_bytes(p_data,l_tccp->cblkh - 2, 1); /* SPcoc (F) */ 8565 ++p_data; 8566 8567 opj_write_bytes(p_data,l_tccp->cblksty, 1); /* SPcoc (G) */ 8568 ++p_data; 8569 8570 opj_write_bytes(p_data,l_tccp->qmfbid, 1); /* SPcoc (H) */ 8571 ++p_data; 8572 8573 *p_header_size = *p_header_size - 5; 8574 8575 if (l_tccp->csty & J2K_CCP_CSTY_PRT) { 8576 8577 if (*p_header_size < l_tccp->numresolutions) { 8578 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n"); 8579 return OPJ_FALSE; 8580 } 8581 8582 for (i = 0; i < l_tccp->numresolutions; ++i) { 8583 opj_write_bytes(p_data,l_tccp->prcw[i] + (l_tccp->prch[i] << 4), 1); /* SPcoc (I_i) */ 8584 ++p_data; 8585 } 8586 8587 *p_header_size = *p_header_size - l_tccp->numresolutions; 8588 } 8589 8590 return OPJ_TRUE; 8591 } 8592 8593 OPJ_BOOL opj_j2k_read_SPCod_SPCoc( opj_j2k_t *p_j2k, 8594 OPJ_UINT32 compno, 8595 OPJ_BYTE * p_header_data, 8596 OPJ_UINT32 * p_header_size, 8597 opj_event_mgr_t * p_manager) 8598 { 8599 OPJ_UINT32 i, l_tmp; 8600 opj_cp_t *l_cp = NULL; 8601 opj_tcp_t *l_tcp = NULL; 8602 opj_tccp_t *l_tccp = NULL; 8603 OPJ_BYTE * l_current_ptr = NULL; 8604 8605 /* preconditions */ 8606 assert(p_j2k != 00); 8607 assert(p_manager != 00); 8608 assert(p_header_data != 00); 8609 8610 l_cp = &(p_j2k->m_cp); 8611 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? 8612 &l_cp->tcps[p_j2k->m_current_tile_number] : 8613 p_j2k->m_specific_param.m_decoder.m_default_tcp; 8614 8615 /* precondition again */ 8616 assert(compno < p_j2k->m_private_image->numcomps); 8617 8618 l_tccp = &l_tcp->tccps[compno]; 8619 l_current_ptr = p_header_data; 8620 8621 /* make sure room is sufficient */ 8622 if (*p_header_size < 5) { 8623 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n"); 8624 return OPJ_FALSE; 8625 } 8626 8627 opj_read_bytes(l_current_ptr, &l_tccp->numresolutions ,1); /* SPcox (D) */ 8628 ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */ 8629 if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) { 8630 opj_event_msg(p_manager, EVT_ERROR, 8631 "Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n", 8632 l_tccp->numresolutions, OPJ_J2K_MAXRLVLS); 8633 return OPJ_FALSE; 8634 } 8635 ++l_current_ptr; 8636 8637 /* If user wants to remove more resolutions than the codestream contains, return error */ 8638 if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) { 8639 opj_event_msg(p_manager, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number " 8640 "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno); 8641 p_j2k->m_specific_param.m_decoder.m_state |= 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/ 8642 return OPJ_FALSE; 8643 } 8644 8645 opj_read_bytes(l_current_ptr,&l_tccp->cblkw ,1); /* SPcoc (E) */ 8646 ++l_current_ptr; 8647 l_tccp->cblkw += 2; 8648 8649 opj_read_bytes(l_current_ptr,&l_tccp->cblkh ,1); /* SPcoc (F) */ 8650 ++l_current_ptr; 8651 l_tccp->cblkh += 2; 8652 8653 if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) || ((l_tccp->cblkw + l_tccp->cblkh) > 12)) { 8654 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n"); 8655 return OPJ_FALSE; 8656 } 8657 8658 8659 opj_read_bytes(l_current_ptr,&l_tccp->cblksty ,1); /* SPcoc (G) */ 8660 ++l_current_ptr; 8661 8662 opj_read_bytes(l_current_ptr,&l_tccp->qmfbid ,1); /* SPcoc (H) */ 8663 ++l_current_ptr; 8664 8665 *p_header_size = *p_header_size - 5; 8666 8667 /* use custom precinct size ? */ 8668 if (l_tccp->csty & J2K_CCP_CSTY_PRT) { 8669 if (*p_header_size < l_tccp->numresolutions) { 8670 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n"); 8671 return OPJ_FALSE; 8672 } 8673 8674 for (i = 0; i < l_tccp->numresolutions; ++i) { 8675 opj_read_bytes(l_current_ptr,&l_tmp ,1); /* SPcoc (I_i) */ 8676 ++l_current_ptr; 8677 /* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */ 8678 if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) { 8679 opj_event_msg(p_manager, EVT_ERROR, "Invalid precinct size\n"); 8680 return OPJ_FALSE; 8681 } 8682 l_tccp->prcw[i] = l_tmp & 0xf; 8683 l_tccp->prch[i] = l_tmp >> 4; 8684 } 8685 8686 *p_header_size = *p_header_size - l_tccp->numresolutions; 8687 } 8688 else { 8689 /* set default size for the precinct width and height */ 8690 for (i = 0; i < l_tccp->numresolutions; ++i) { 8691 l_tccp->prcw[i] = 15; 8692 l_tccp->prch[i] = 15; 8693 } 8694 } 8695 8696 #ifdef WIP_REMOVE_MSD 8697 /* INDEX >> */ 8698 if (p_j2k->cstr_info && compno == 0) { 8699 OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32); 8700 8701 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh = l_tccp->cblkh; 8702 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw = l_tccp->cblkw; 8703 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions = l_tccp->numresolutions; 8704 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty = l_tccp->cblksty; 8705 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid = l_tccp->qmfbid; 8706 8707 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx,l_tccp->prcw, l_data_size); 8708 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy,l_tccp->prch, l_data_size); 8709 } 8710 /* << INDEX */ 8711 #endif 8712 8713 return OPJ_TRUE; 8714 } 8715 8716 void opj_j2k_copy_tile_component_parameters( opj_j2k_t *p_j2k ) 8717 { 8718 /* loop */ 8719 OPJ_UINT32 i; 8720 opj_cp_t *l_cp = NULL; 8721 opj_tcp_t *l_tcp = NULL; 8722 opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL; 8723 OPJ_UINT32 l_prc_size; 8724 8725 /* preconditions */ 8726 assert(p_j2k != 00); 8727 8728 l_cp = &(p_j2k->m_cp); 8729 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? /* FIXME J2K_DEC_STATE_TPH*/ 8730 &l_cp->tcps[p_j2k->m_current_tile_number] : 8731 p_j2k->m_specific_param.m_decoder.m_default_tcp; 8732 8733 l_ref_tccp = &l_tcp->tccps[0]; 8734 l_copied_tccp = l_ref_tccp + 1; 8735 l_prc_size = l_ref_tccp->numresolutions * (OPJ_UINT32)sizeof(OPJ_UINT32); 8736 8737 for (i=1; i<p_j2k->m_private_image->numcomps; ++i) { 8738 l_copied_tccp->numresolutions = l_ref_tccp->numresolutions; 8739 l_copied_tccp->cblkw = l_ref_tccp->cblkw; 8740 l_copied_tccp->cblkh = l_ref_tccp->cblkh; 8741 l_copied_tccp->cblksty = l_ref_tccp->cblksty; 8742 l_copied_tccp->qmfbid = l_ref_tccp->qmfbid; 8743 memcpy(l_copied_tccp->prcw,l_ref_tccp->prcw,l_prc_size); 8744 memcpy(l_copied_tccp->prch,l_ref_tccp->prch,l_prc_size); 8745 ++l_copied_tccp; 8746 } 8747 } 8748 8749 OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size ( opj_j2k_t *p_j2k, 8750 OPJ_UINT32 p_tile_no, 8751 OPJ_UINT32 p_comp_no ) 8752 { 8753 OPJ_UINT32 l_num_bands; 8754 8755 opj_cp_t *l_cp = 00; 8756 opj_tcp_t *l_tcp = 00; 8757 opj_tccp_t *l_tccp = 00; 8758 8759 /* preconditions */ 8760 assert(p_j2k != 00); 8761 8762 l_cp = &(p_j2k->m_cp); 8763 l_tcp = &l_cp->tcps[p_tile_no]; 8764 l_tccp = &l_tcp->tccps[p_comp_no]; 8765 8766 /* preconditions again */ 8767 assert(p_tile_no < l_cp->tw * l_cp->th); 8768 assert(p_comp_no < p_j2k->m_private_image->numcomps); 8769 8770 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (l_tccp->numresolutions * 3 - 2); 8771 8772 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { 8773 return 1 + l_num_bands; 8774 } 8775 else { 8776 return 1 + 2*l_num_bands; 8777 } 8778 } 8779 8780 OPJ_BOOL opj_j2k_write_SQcd_SQcc( opj_j2k_t *p_j2k, 8781 OPJ_UINT32 p_tile_no, 8782 OPJ_UINT32 p_comp_no, 8783 OPJ_BYTE * p_data, 8784 OPJ_UINT32 * p_header_size, 8785 struct opj_event_mgr * p_manager ) 8786 { 8787 OPJ_UINT32 l_header_size; 8788 OPJ_UINT32 l_band_no, l_num_bands; 8789 OPJ_UINT32 l_expn,l_mant; 8790 8791 opj_cp_t *l_cp = 00; 8792 opj_tcp_t *l_tcp = 00; 8793 opj_tccp_t *l_tccp = 00; 8794 8795 /* preconditions */ 8796 assert(p_j2k != 00); 8797 assert(p_header_size != 00); 8798 assert(p_manager != 00); 8799 assert(p_data != 00); 8800 8801 l_cp = &(p_j2k->m_cp); 8802 l_tcp = &l_cp->tcps[p_tile_no]; 8803 l_tccp = &l_tcp->tccps[p_comp_no]; 8804 8805 /* preconditions again */ 8806 assert(p_tile_no < l_cp->tw * l_cp->th); 8807 assert(p_comp_no <p_j2k->m_private_image->numcomps); 8808 8809 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (l_tccp->numresolutions * 3 - 2); 8810 8811 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { 8812 l_header_size = 1 + l_num_bands; 8813 8814 if (*p_header_size < l_header_size) { 8815 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n"); 8816 return OPJ_FALSE; 8817 } 8818 8819 opj_write_bytes(p_data,l_tccp->qntsty + (l_tccp->numgbits << 5), 1); /* Sqcx */ 8820 ++p_data; 8821 8822 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) { 8823 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn; 8824 opj_write_bytes(p_data, l_expn << 3, 1); /* SPqcx_i */ 8825 ++p_data; 8826 } 8827 } 8828 else { 8829 l_header_size = 1 + 2*l_num_bands; 8830 8831 if (*p_header_size < l_header_size) { 8832 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n"); 8833 return OPJ_FALSE; 8834 } 8835 8836 opj_write_bytes(p_data,l_tccp->qntsty + (l_tccp->numgbits << 5), 1); /* Sqcx */ 8837 ++p_data; 8838 8839 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) { 8840 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn; 8841 l_mant = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].mant; 8842 8843 opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2); /* SPqcx_i */ 8844 p_data += 2; 8845 } 8846 } 8847 8848 *p_header_size = *p_header_size - l_header_size; 8849 8850 return OPJ_TRUE; 8851 } 8852 8853 OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k, 8854 OPJ_UINT32 p_comp_no, 8855 OPJ_BYTE* p_header_data, 8856 OPJ_UINT32 * p_header_size, 8857 opj_event_mgr_t * p_manager 8858 ) 8859 { 8860 /* loop*/ 8861 OPJ_UINT32 l_band_no; 8862 opj_cp_t *l_cp = 00; 8863 opj_tcp_t *l_tcp = 00; 8864 opj_tccp_t *l_tccp = 00; 8865 OPJ_BYTE * l_current_ptr = 00; 8866 OPJ_UINT32 l_tmp, l_num_band; 8867 8868 /* preconditions*/ 8869 assert(p_j2k != 00); 8870 assert(p_manager != 00); 8871 assert(p_header_data != 00); 8872 8873 l_cp = &(p_j2k->m_cp); 8874 /* come from tile part header or main header ?*/ 8875 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? /*FIXME J2K_DEC_STATE_TPH*/ 8876 &l_cp->tcps[p_j2k->m_current_tile_number] : 8877 p_j2k->m_specific_param.m_decoder.m_default_tcp; 8878 8879 /* precondition again*/ 8880 assert(p_comp_no < p_j2k->m_private_image->numcomps); 8881 8882 l_tccp = &l_tcp->tccps[p_comp_no]; 8883 l_current_ptr = p_header_data; 8884 8885 if (*p_header_size < 1) { 8886 opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n"); 8887 return OPJ_FALSE; 8888 } 8889 *p_header_size -= 1; 8890 8891 opj_read_bytes(l_current_ptr, &l_tmp ,1); /* Sqcx */ 8892 ++l_current_ptr; 8893 8894 l_tccp->qntsty = l_tmp & 0x1f; 8895 l_tccp->numgbits = l_tmp >> 5; 8896 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) { 8897 l_num_band = 1; 8898 } 8899 else { 8900 l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? 8901 (*p_header_size) : 8902 (*p_header_size) / 2; 8903 8904 if( l_num_band > OPJ_J2K_MAXBANDS ) { 8905 opj_event_msg(p_manager, EVT_WARNING, "While reading CCP_QNTSTY element inside QCD or QCC marker segment, " 8906 "number of subbands (%d) is greater to OPJ_J2K_MAXBANDS (%d). So we limit the number of elements stored to " 8907 "OPJ_J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, OPJ_J2K_MAXBANDS, OPJ_J2K_MAXBANDS); 8908 /*return OPJ_FALSE;*/ 8909 } 8910 } 8911 8912 #ifdef USE_JPWL 8913 if (l_cp->correct) { 8914 8915 /* if JPWL is on, we check whether there are too many subbands */ 8916 if (/*(l_num_band < 0) ||*/ (l_num_band >= OPJ_J2K_MAXBANDS)) { 8917 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, 8918 "JPWL: bad number of subbands in Sqcx (%d)\n", 8919 l_num_band); 8920 if (!JPWL_ASSUME) { 8921 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n"); 8922 return OPJ_FALSE; 8923 } 8924 /* we try to correct */ 8925 l_num_band = 1; 8926 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n" 8927 "- setting number of bands to %d => HYPOTHESIS!!!\n", 8928 l_num_band); 8929 }; 8930 8931 }; 8932 #endif /* USE_JPWL */ 8933 8934 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { 8935 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) { 8936 opj_read_bytes(l_current_ptr, &l_tmp ,1); /* SPqcx_i */ 8937 ++l_current_ptr; 8938 if (l_band_no < OPJ_J2K_MAXBANDS){ 8939 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 3); 8940 l_tccp->stepsizes[l_band_no].mant = 0; 8941 } 8942 } 8943 *p_header_size = *p_header_size - l_num_band; 8944 } 8945 else { 8946 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) { 8947 opj_read_bytes(l_current_ptr, &l_tmp ,2); /* SPqcx_i */ 8948 l_current_ptr+=2; 8949 if (l_band_no < OPJ_J2K_MAXBANDS){ 8950 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 11); 8951 l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff; 8952 } 8953 } 8954 *p_header_size = *p_header_size - 2*l_num_band; 8955 } 8956 8957 /* Add Antonin : if scalar_derived -> compute other stepsizes */ 8958 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) { 8959 for (l_band_no = 1; l_band_no < OPJ_J2K_MAXBANDS; l_band_no++) { 8960 l_tccp->stepsizes[l_band_no].expn = 8961 ((OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) > 0) ? 8962 (OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) : 0; 8963 l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant; 8964 } 8965 } 8966 8967 return OPJ_TRUE; 8968 } 8969 8970 void opj_j2k_copy_tile_quantization_parameters( opj_j2k_t *p_j2k ) 8971 { 8972 OPJ_UINT32 i; 8973 opj_cp_t *l_cp = NULL; 8974 opj_tcp_t *l_tcp = NULL; 8975 opj_tccp_t *l_ref_tccp = NULL; 8976 opj_tccp_t *l_copied_tccp = NULL; 8977 OPJ_UINT32 l_size; 8978 8979 /* preconditions */ 8980 assert(p_j2k != 00); 8981 8982 l_cp = &(p_j2k->m_cp); 8983 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ? 8984 &l_cp->tcps[p_j2k->m_current_tile_number] : 8985 p_j2k->m_specific_param.m_decoder.m_default_tcp; 8986 8987 l_ref_tccp = &l_tcp->tccps[0]; 8988 l_copied_tccp = l_ref_tccp + 1; 8989 l_size = OPJ_J2K_MAXBANDS * sizeof(opj_stepsize_t); 8990 8991 for (i=1;i<p_j2k->m_private_image->numcomps;++i) { 8992 l_copied_tccp->qntsty = l_ref_tccp->qntsty; 8993 l_copied_tccp->numgbits = l_ref_tccp->numgbits; 8994 memcpy(l_copied_tccp->stepsizes,l_ref_tccp->stepsizes,l_size); 8995 ++l_copied_tccp; 8996 } 8997 } 8998 8999 static void opj_j2k_dump_tile_info( opj_tcp_t * l_default_tile,OPJ_INT32 numcomps,FILE* out_stream) 9000 { 9001 if (l_default_tile) 9002 { 9003 OPJ_INT32 compno; 9004 9005 fprintf(out_stream, "\t default tile {\n"); 9006 fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty); 9007 fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg); 9008 fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers); 9009 fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct); 9010 9011 for (compno = 0; compno < numcomps; compno++) { 9012 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]); 9013 OPJ_UINT32 resno; 9014 OPJ_INT32 bandno, numbands; 9015 9016 /* coding style*/ 9017 fprintf(out_stream, "\t\t comp %d {\n", compno); 9018 fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty); 9019 fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions); 9020 fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw); 9021 fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh); 9022 fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty); 9023 fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid); 9024 9025 fprintf(out_stream, "\t\t\t preccintsize (w,h)="); 9026 for (resno = 0; resno < l_tccp->numresolutions; resno++) { 9027 fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]); 9028 } 9029 fprintf(out_stream, "\n"); 9030 9031 /* quantization style*/ 9032 fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty); 9033 fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits); 9034 fprintf(out_stream, "\t\t\t stepsizes (m,e)="); 9035 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (OPJ_INT32)l_tccp->numresolutions * 3 - 2; 9036 for (bandno = 0; bandno < numbands; bandno++) { 9037 fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant, 9038 l_tccp->stepsizes[bandno].expn); 9039 } 9040 fprintf(out_stream, "\n"); 9041 9042 /* RGN value*/ 9043 fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift); 9044 9045 fprintf(out_stream, "\t\t }\n"); 9046 } /*end of component of default tile*/ 9047 fprintf(out_stream, "\t }\n"); /*end of default tile*/ 9048 } 9049 } 9050 9051 void j2k_dump (opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream) 9052 { 9053 /* Check if the flag is compatible with j2k file*/ 9054 if ( (flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)){ 9055 fprintf(out_stream, "Wrong flag\n"); 9056 return; 9057 } 9058 9059 /* Dump the image_header */ 9060 if (flag & OPJ_IMG_INFO){ 9061 if (p_j2k->m_private_image) 9062 j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream); 9063 } 9064 9065 /* Dump the codestream info from main header */ 9066 if (flag & OPJ_J2K_MH_INFO){ 9067 opj_j2k_dump_MH_info(p_j2k, out_stream); 9068 } 9069 /* Dump all tile/codestream info */ 9070 if (flag & OPJ_J2K_TCH_INFO){ 9071 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw; 9072 OPJ_UINT32 i; 9073 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps; 9074 for (i=0;i<l_nb_tiles;++i) { 9075 opj_j2k_dump_tile_info( l_tcp,(OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream); 9076 ++l_tcp; 9077 } 9078 } 9079 9080 /* Dump the codestream info of the current tile */ 9081 if (flag & OPJ_J2K_TH_INFO){ 9082 9083 } 9084 9085 /* Dump the codestream index from main header */ 9086 if (flag & OPJ_J2K_MH_IND){ 9087 opj_j2k_dump_MH_index(p_j2k, out_stream); 9088 } 9089 9090 /* Dump the codestream index of the current tile */ 9091 if (flag & OPJ_J2K_TH_IND){ 9092 9093 } 9094 9095 } 9096 9097 void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream) 9098 { 9099 opj_codestream_index_t* cstr_index = p_j2k->cstr_index; 9100 OPJ_UINT32 it_marker, it_tile, it_tile_part; 9101 9102 fprintf(out_stream, "Codestream index from main header: {\n"); 9103 9104 fprintf(out_stream, "\t Main header start position=%" PRIi64 "\n" 9105 "\t Main header end position=%" PRIi64 "\n", 9106 cstr_index->main_head_start, cstr_index->main_head_end); 9107 9108 fprintf(out_stream, "\t Marker list: {\n"); 9109 9110 if (cstr_index->marker){ 9111 for (it_marker=0; it_marker < cstr_index->marknum ; it_marker++){ 9112 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n", 9113 cstr_index->marker[it_marker].type, 9114 cstr_index->marker[it_marker].pos, 9115 cstr_index->marker[it_marker].len ); 9116 } 9117 } 9118 9119 fprintf(out_stream, "\t }\n"); 9120 9121 if (cstr_index->tile_index){ 9122 9123 /* Simple test to avoid to write empty information*/ 9124 OPJ_UINT32 l_acc_nb_of_tile_part = 0; 9125 for (it_tile=0; it_tile < cstr_index->nb_of_tiles ; it_tile++){ 9126 l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps; 9127 } 9128 9129 if (l_acc_nb_of_tile_part) 9130 { 9131 fprintf(out_stream, "\t Tile index: {\n"); 9132 9133 for (it_tile=0; it_tile < cstr_index->nb_of_tiles ; it_tile++){ 9134 OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps; 9135 9136 fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile, nb_of_tile_part); 9137 9138 if (cstr_index->tile_index[it_tile].tp_index){ 9139 for (it_tile_part =0; it_tile_part < nb_of_tile_part; it_tile_part++){ 9140 fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%" PRIi64 ", end_pos=%" PRIi64 ".\n", 9141 it_tile_part, 9142 cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos, 9143 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header, 9144 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos); 9145 } 9146 } 9147 9148 if (cstr_index->tile_index[it_tile].marker){ 9149 for (it_marker=0; it_marker < cstr_index->tile_index[it_tile].marknum ; it_marker++){ 9150 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n", 9151 cstr_index->tile_index[it_tile].marker[it_marker].type, 9152 cstr_index->tile_index[it_tile].marker[it_marker].pos, 9153 cstr_index->tile_index[it_tile].marker[it_marker].len ); 9154 } 9155 } 9156 } 9157 fprintf(out_stream,"\t }\n"); 9158 } 9159 } 9160 9161 fprintf(out_stream,"}\n"); 9162 9163 } 9164 9165 9166 void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream) 9167 { 9168 9169 fprintf(out_stream, "Codestream info from main header: {\n"); 9170 9171 fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0); 9172 fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy); 9173 fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th); 9174 opj_j2k_dump_tile_info(p_j2k->m_specific_param.m_decoder.m_default_tcp,(OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream); 9175 fprintf(out_stream, "}\n"); 9176 } 9177 9178 void j2k_dump_image_header(opj_image_t* img_header, OPJ_BOOL dev_dump_flag, FILE* out_stream) 9179 { 9180 char tab[2]; 9181 9182 if (dev_dump_flag){ 9183 fprintf(stdout, "[DEV] Dump an image_header struct {\n"); 9184 tab[0] = '\0'; 9185 } 9186 else { 9187 fprintf(out_stream, "Image info {\n"); 9188 tab[0] = '\t';tab[1] = '\0'; 9189 } 9190 9191 fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0); 9192 fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1, img_header->y1); 9193 fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps); 9194 9195 if (img_header->comps){ 9196 OPJ_UINT32 compno; 9197 for (compno = 0; compno < img_header->numcomps; compno++) { 9198 fprintf(out_stream, "%s\t component %d {\n", tab, compno); 9199 j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag, out_stream); 9200 fprintf(out_stream,"%s}\n",tab); 9201 } 9202 } 9203 9204 fprintf(out_stream, "}\n"); 9205 } 9206 9207 void j2k_dump_image_comp_header(opj_image_comp_t* comp_header, OPJ_BOOL dev_dump_flag, FILE* out_stream) 9208 { 9209 char tab[3]; 9210 9211 if (dev_dump_flag){ 9212 fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n"); 9213 tab[0] = '\0'; 9214 } else { 9215 tab[0] = '\t';tab[1] = '\t';tab[2] = '\0'; 9216 } 9217 9218 fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy); 9219 fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec); 9220 fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd); 9221 9222 if (dev_dump_flag) 9223 fprintf(out_stream, "}\n"); 9224 } 9225 9226 opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k) 9227 { 9228 OPJ_UINT32 compno; 9229 OPJ_UINT32 numcomps = p_j2k->m_private_image->numcomps; 9230 opj_tcp_t *l_default_tile; 9231 opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,sizeof(opj_codestream_info_v2_t)); 9232 if (!cstr_info) 9233 return NULL; 9234 9235 cstr_info->nbcomps = p_j2k->m_private_image->numcomps; 9236 9237 cstr_info->tx0 = p_j2k->m_cp.tx0; 9238 cstr_info->ty0 = p_j2k->m_cp.ty0; 9239 cstr_info->tdx = p_j2k->m_cp.tdx; 9240 cstr_info->tdy = p_j2k->m_cp.tdy; 9241 cstr_info->tw = p_j2k->m_cp.tw; 9242 cstr_info->th = p_j2k->m_cp.th; 9243 9244 cstr_info->tile_info = NULL; /* Not fill from the main header*/ 9245 9246 l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp; 9247 9248 cstr_info->m_default_tile_info.csty = l_default_tile->csty; 9249 cstr_info->m_default_tile_info.prg = l_default_tile->prg; 9250 cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers; 9251 cstr_info->m_default_tile_info.mct = l_default_tile->mct; 9252 9253 cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(cstr_info->nbcomps, sizeof(opj_tccp_info_t)); 9254 if (!cstr_info->m_default_tile_info.tccp_info) 9255 { 9256 opj_destroy_cstr_info(&cstr_info); 9257 return NULL; 9258 } 9259 9260 for (compno = 0; compno < numcomps; compno++) { 9261 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]); 9262 opj_tccp_info_t *l_tccp_info = &(cstr_info->m_default_tile_info.tccp_info[compno]); 9263 OPJ_INT32 bandno, numbands; 9264 9265 /* coding style*/ 9266 l_tccp_info->csty = l_tccp->csty; 9267 l_tccp_info->numresolutions = l_tccp->numresolutions; 9268 l_tccp_info->cblkw = l_tccp->cblkw; 9269 l_tccp_info->cblkh = l_tccp->cblkh; 9270 l_tccp_info->cblksty = l_tccp->cblksty; 9271 l_tccp_info->qmfbid = l_tccp->qmfbid; 9272 if (l_tccp->numresolutions < OPJ_J2K_MAXRLVLS) 9273 { 9274 memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions); 9275 memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions); 9276 } 9277 9278 /* quantization style*/ 9279 l_tccp_info->qntsty = l_tccp->qntsty; 9280 l_tccp_info->numgbits = l_tccp->numgbits; 9281 9282 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (OPJ_INT32)l_tccp->numresolutions * 3 - 2; 9283 if (numbands < OPJ_J2K_MAXBANDS) { 9284 for (bandno = 0; bandno < numbands; bandno++) { 9285 l_tccp_info->stepsizes_mant[bandno] = (OPJ_UINT32)l_tccp->stepsizes[bandno].mant; 9286 l_tccp_info->stepsizes_expn[bandno] = (OPJ_UINT32)l_tccp->stepsizes[bandno].expn; 9287 } 9288 } 9289 9290 /* RGN value*/ 9291 l_tccp_info->roishift = l_tccp->roishift; 9292 } 9293 9294 return cstr_info; 9295 } 9296 9297 opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k) 9298 { 9299 opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*) 9300 opj_calloc(1,sizeof(opj_codestream_index_t)); 9301 if (!l_cstr_index) 9302 return NULL; 9303 9304 l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start; 9305 l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end; 9306 l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size; 9307 9308 l_cstr_index->marknum = p_j2k->cstr_index->marknum; 9309 l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum*sizeof(opj_marker_info_t)); 9310 if (!l_cstr_index->marker){ 9311 opj_free( l_cstr_index); 9312 return NULL; 9313 } 9314 9315 if (p_j2k->cstr_index->marker) 9316 memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker, l_cstr_index->marknum * sizeof(opj_marker_info_t) ); 9317 else{ 9318 opj_free(l_cstr_index->marker); 9319 l_cstr_index->marker = NULL; 9320 } 9321 9322 l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles; 9323 l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t) ); 9324 if (!l_cstr_index->tile_index){ 9325 opj_free( l_cstr_index->marker); 9326 opj_free( l_cstr_index); 9327 return NULL; 9328 } 9329 9330 if (!p_j2k->cstr_index->tile_index){ 9331 opj_free(l_cstr_index->tile_index); 9332 l_cstr_index->tile_index = NULL; 9333 } 9334 else { 9335 OPJ_UINT32 it_tile = 0; 9336 for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++ ){ 9337 9338 /* Tile Marker*/ 9339 l_cstr_index->tile_index[it_tile].marknum = p_j2k->cstr_index->tile_index[it_tile].marknum; 9340 9341 l_cstr_index->tile_index[it_tile].marker = 9342 (opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum*sizeof(opj_marker_info_t)); 9343 9344 if (!l_cstr_index->tile_index[it_tile].marker) { 9345 OPJ_UINT32 it_tile_free; 9346 9347 for (it_tile_free=0; it_tile_free < it_tile; it_tile_free++){ 9348 opj_free(l_cstr_index->tile_index[it_tile_free].marker); 9349 } 9350 9351 opj_free( l_cstr_index->tile_index); 9352 opj_free( l_cstr_index->marker); 9353 opj_free( l_cstr_index); 9354 return NULL; 9355 } 9356 9357 if (p_j2k->cstr_index->tile_index[it_tile].marker) 9358 memcpy( l_cstr_index->tile_index[it_tile].marker, 9359 p_j2k->cstr_index->tile_index[it_tile].marker, 9360 l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t) ); 9361 else{ 9362 opj_free(l_cstr_index->tile_index[it_tile].marker); 9363 l_cstr_index->tile_index[it_tile].marker = NULL; 9364 } 9365 9366 /* Tile part index*/ 9367 l_cstr_index->tile_index[it_tile].nb_tps = p_j2k->cstr_index->tile_index[it_tile].nb_tps; 9368 9369 l_cstr_index->tile_index[it_tile].tp_index = 9370 (opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps*sizeof(opj_tp_index_t)); 9371 9372 if(!l_cstr_index->tile_index[it_tile].tp_index){ 9373 OPJ_UINT32 it_tile_free; 9374 9375 for (it_tile_free=0; it_tile_free < it_tile; it_tile_free++){ 9376 opj_free(l_cstr_index->tile_index[it_tile_free].marker); 9377 opj_free(l_cstr_index->tile_index[it_tile_free].tp_index); 9378 } 9379 9380 opj_free( l_cstr_index->tile_index); 9381 opj_free( l_cstr_index->marker); 9382 opj_free( l_cstr_index); 9383 return NULL; 9384 } 9385 9386 if (p_j2k->cstr_index->tile_index[it_tile].tp_index){ 9387 memcpy( l_cstr_index->tile_index[it_tile].tp_index, 9388 p_j2k->cstr_index->tile_index[it_tile].tp_index, 9389 l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t) ); 9390 } 9391 else{ 9392 opj_free(l_cstr_index->tile_index[it_tile].tp_index); 9393 l_cstr_index->tile_index[it_tile].tp_index = NULL; 9394 } 9395 9396 /* Packet index (NOT USED)*/ 9397 l_cstr_index->tile_index[it_tile].nb_packet = 0; 9398 l_cstr_index->tile_index[it_tile].packet_index = NULL; 9399 9400 } 9401 } 9402 9403 return l_cstr_index; 9404 } 9405 9406 OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k) 9407 { 9408 OPJ_UINT32 it_tile=0; 9409 9410 p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th; 9411 p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t)); 9412 if (!p_j2k->cstr_index->tile_index) 9413 return OPJ_FALSE; 9414 9415 for (it_tile=0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++){ 9416 p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100; 9417 p_j2k->cstr_index->tile_index[it_tile].marknum = 0; 9418 p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*) 9419 opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum, sizeof(opj_marker_info_t)); 9420 if (!p_j2k->cstr_index->tile_index[it_tile].marker) 9421 return OPJ_FALSE; 9422 } 9423 9424 return OPJ_TRUE; 9425 } 9426 9427 OPJ_BOOL opj_j2k_decode_tiles ( opj_j2k_t *p_j2k, 9428 opj_stream_private_t *p_stream, 9429 opj_event_mgr_t * p_manager) 9430 { 9431 OPJ_BOOL l_go_on = OPJ_TRUE; 9432 OPJ_UINT32 l_current_tile_no; 9433 OPJ_UINT32 l_data_size,l_max_data_size; 9434 OPJ_INT32 l_tile_x0,l_tile_y0,l_tile_x1,l_tile_y1; 9435 OPJ_UINT32 l_nb_comps; 9436 OPJ_BYTE * l_current_data; 9437 OPJ_UINT32 nr_tiles = 0; 9438 9439 l_current_data = (OPJ_BYTE*)opj_malloc(1000); 9440 if (! l_current_data) { 9441 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tiles\n"); 9442 return OPJ_FALSE; 9443 } 9444 l_max_data_size = 1000; 9445 9446 while (OPJ_TRUE) { 9447 if (! opj_j2k_read_tile_header( p_j2k, 9448 &l_current_tile_no, 9449 &l_data_size, 9450 &l_tile_x0, &l_tile_y0, 9451 &l_tile_x1, &l_tile_y1, 9452 &l_nb_comps, 9453 &l_go_on, 9454 p_stream, 9455 p_manager)) { 9456 opj_free(l_current_data); 9457 return OPJ_FALSE; 9458 } 9459 9460 if (! l_go_on) { 9461 break; 9462 } 9463 9464 if (l_data_size > l_max_data_size) { 9465 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data, l_data_size); 9466 if (! l_new_current_data) { 9467 opj_free(l_current_data); 9468 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile %d/%d\n", l_current_tile_no +1, p_j2k->m_cp.th * p_j2k->m_cp.tw); 9469 return OPJ_FALSE; 9470 } 9471 l_current_data = l_new_current_data; 9472 l_max_data_size = l_data_size; 9473 } 9474 9475 if (! opj_j2k_decode_tile(p_j2k,l_current_tile_no,l_current_data,l_data_size,p_stream,p_manager)) { 9476 opj_free(l_current_data); 9477 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile %d/%d\n", l_current_tile_no +1, p_j2k->m_cp.th * p_j2k->m_cp.tw); 9478 return OPJ_FALSE; 9479 } 9480 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n", l_current_tile_no +1, p_j2k->m_cp.th * p_j2k->m_cp.tw); 9481 9482 if (! opj_j2k_update_image_data(p_j2k->m_tcd,l_current_data, p_j2k->m_output_image)) { 9483 opj_free(l_current_data); 9484 return OPJ_FALSE; 9485 } 9486 opj_event_msg(p_manager, EVT_INFO, "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1); 9487 9488 if(opj_stream_get_number_byte_left(p_stream) == 0 9489 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) 9490 break; 9491 if(++nr_tiles == p_j2k->m_cp.th * p_j2k->m_cp.tw) 9492 break; 9493 } 9494 9495 opj_free(l_current_data); 9496 9497 return OPJ_TRUE; 9498 } 9499 9500 /** 9501 * Sets up the procedures to do on decoding data. Developpers wanting to extend the library can add their own reading procedures. 9502 */ 9503 static void opj_j2k_setup_decoding (opj_j2k_t *p_j2k) 9504 { 9505 /* preconditions*/ 9506 assert(p_j2k != 00); 9507 9508 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_decode_tiles); 9509 /* DEVELOPER CORNER, add your custom procedures */ 9510 9511 } 9512 9513 /* 9514 * Read and decode one tile. 9515 */ 9516 static OPJ_BOOL opj_j2k_decode_one_tile ( opj_j2k_t *p_j2k, 9517 opj_stream_private_t *p_stream, 9518 opj_event_mgr_t * p_manager) 9519 { 9520 OPJ_BOOL l_go_on = OPJ_TRUE; 9521 OPJ_UINT32 l_current_tile_no; 9522 OPJ_UINT32 l_tile_no_to_dec; 9523 OPJ_UINT32 l_data_size,l_max_data_size; 9524 OPJ_INT32 l_tile_x0,l_tile_y0,l_tile_x1,l_tile_y1; 9525 OPJ_UINT32 l_nb_comps; 9526 OPJ_BYTE * l_current_data; 9527 9528 l_current_data = (OPJ_BYTE*)opj_malloc(1000); 9529 if (! l_current_data) { 9530 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode one tile\n"); 9531 return OPJ_FALSE; 9532 } 9533 l_max_data_size = 1000; 9534 9535 /*Allocate and initialize some elements of codestrem index if not already done*/ 9536 if( !p_j2k->cstr_index->tile_index) 9537 { 9538 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)){ 9539 opj_free(l_current_data); 9540 return OPJ_FALSE; 9541 } 9542 } 9543 /* Move into the codestream to the first SOT used to decode the desired tile */ 9544 l_tile_no_to_dec = (OPJ_UINT32)p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec; 9545 if (p_j2k->cstr_index->tile_index) 9546 if(p_j2k->cstr_index->tile_index->tp_index) 9547 { 9548 if ( ! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) { 9549 /* the index for this tile has not been built, 9550 * so move to the last SOT read */ 9551 if ( !(opj_stream_read_seek(p_stream, p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos+2, p_manager)) ){ 9552 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n"); 9553 opj_free(l_current_data); 9554 return OPJ_FALSE; 9555 } 9556 } 9557 else{ 9558 if ( !(opj_stream_read_seek(p_stream, p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos+2, p_manager)) ) { 9559 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n"); 9560 opj_free(l_current_data); 9561 return OPJ_FALSE; 9562 } 9563 } 9564 /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */ 9565 if(p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) 9566 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT; 9567 } 9568 9569 while (OPJ_TRUE) { 9570 if (! opj_j2k_read_tile_header( p_j2k, 9571 &l_current_tile_no, 9572 &l_data_size, 9573 &l_tile_x0, &l_tile_y0, 9574 &l_tile_x1, &l_tile_y1, 9575 &l_nb_comps, 9576 &l_go_on, 9577 p_stream, 9578 p_manager)) { 9579 opj_free(l_current_data); 9580 return OPJ_FALSE; 9581 } 9582 9583 if (! l_go_on) { 9584 break; 9585 } 9586 9587 if (l_data_size > l_max_data_size) { 9588 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data, l_data_size); 9589 if (! l_new_current_data) { 9590 opj_free(l_current_data); 9591 l_current_data = NULL; 9592 /* TODO: LH: why tile numbering policy used in messages differs from 9593 the one used in opj_j2k_decode_tiles() ? */ 9594 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile %d/%d\n", l_current_tile_no, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1); 9595 return OPJ_FALSE; 9596 } 9597 l_current_data = l_new_current_data; 9598 l_max_data_size = l_data_size; 9599 } 9600 9601 if (! opj_j2k_decode_tile(p_j2k,l_current_tile_no,l_current_data,l_data_size,p_stream,p_manager)) { 9602 opj_free(l_current_data); 9603 return OPJ_FALSE; 9604 } 9605 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n", l_current_tile_no, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1); 9606 9607 if (! opj_j2k_update_image_data(p_j2k->m_tcd,l_current_data, p_j2k->m_output_image)) { 9608 opj_free(l_current_data); 9609 return OPJ_FALSE; 9610 } 9611 opj_event_msg(p_manager, EVT_INFO, "Image data has been updated with tile %d.\n\n", l_current_tile_no); 9612 9613 if(l_current_tile_no == l_tile_no_to_dec) 9614 { 9615 /* move into the codestream to the the first SOT (FIXME or not move?)*/ 9616 if (!(opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2, p_manager) ) ) { 9617 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n"); 9618 return OPJ_FALSE; 9619 } 9620 break; 9621 } 9622 else { 9623 opj_event_msg(p_manager, EVT_WARNING, "Tile read, decode and updated is not the desired (%d vs %d).\n", l_current_tile_no, l_tile_no_to_dec); 9624 } 9625 9626 } 9627 9628 opj_free(l_current_data); 9629 9630 return OPJ_TRUE; 9631 } 9632 9633 /** 9634 * Sets up the procedures to do on decoding one tile. Developpers wanting to extend the library can add their own reading procedures. 9635 */ 9636 static void opj_j2k_setup_decoding_tile (opj_j2k_t *p_j2k) 9637 { 9638 /* preconditions*/ 9639 assert(p_j2k != 00); 9640 9641 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_decode_one_tile); 9642 /* DEVELOPER CORNER, add your custom procedures */ 9643 9644 } 9645 9646 OPJ_BOOL opj_j2k_decode(opj_j2k_t * p_j2k, 9647 opj_stream_private_t * p_stream, 9648 opj_image_t * p_image, 9649 opj_event_mgr_t * p_manager) 9650 { 9651 OPJ_UINT32 compno; 9652 9653 if (!p_image) 9654 return OPJ_FALSE; 9655 9656 p_j2k->m_output_image = opj_image_create0(); 9657 if (! (p_j2k->m_output_image)) { 9658 return OPJ_FALSE; 9659 } 9660 opj_copy_image_header(p_image, p_j2k->m_output_image); 9661 9662 /* customization of the decoding */ 9663 opj_j2k_setup_decoding(p_j2k); 9664 9665 /* Decode the codestream */ 9666 if (! opj_j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) { 9667 opj_image_destroy(p_j2k->m_private_image); 9668 p_j2k->m_private_image = NULL; 9669 return OPJ_FALSE; 9670 } 9671 9672 /* Move data and copy one information from codec to output image*/ 9673 for (compno = 0; compno < p_image->numcomps; compno++) { 9674 p_image->comps[compno].resno_decoded = p_j2k->m_output_image->comps[compno].resno_decoded; 9675 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data; 9676 #if 0 9677 char fn[256]; 9678 sprintf( fn, "/tmp/%d.raw", compno ); 9679 FILE *debug = fopen( fn, "wb" ); 9680 fwrite( p_image->comps[compno].data, sizeof(OPJ_INT32), p_image->comps[compno].w * p_image->comps[compno].h, debug ); 9681 fclose( debug ); 9682 #endif 9683 p_j2k->m_output_image->comps[compno].data = NULL; 9684 } 9685 9686 return OPJ_TRUE; 9687 } 9688 9689 OPJ_BOOL opj_j2k_get_tile( opj_j2k_t *p_j2k, 9690 opj_stream_private_t *p_stream, 9691 opj_image_t* p_image, 9692 opj_event_mgr_t * p_manager, 9693 OPJ_UINT32 tile_index ) 9694 { 9695 OPJ_UINT32 compno; 9696 OPJ_UINT32 l_tile_x, l_tile_y; 9697 opj_image_comp_t* l_img_comp; 9698 9699 if (!p_image) { 9700 opj_event_msg(p_manager, EVT_ERROR, "We need an image previously created.\n"); 9701 return OPJ_FALSE; 9702 } 9703 9704 if ( /*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th) ){ 9705 opj_event_msg(p_manager, EVT_ERROR, "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index, (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1); 9706 return OPJ_FALSE; 9707 } 9708 9709 /* Compute the dimension of the desired tile*/ 9710 l_tile_x = tile_index % p_j2k->m_cp.tw; 9711 l_tile_y = tile_index / p_j2k->m_cp.tw; 9712 9713 p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0; 9714 if (p_image->x0 < p_j2k->m_private_image->x0) 9715 p_image->x0 = p_j2k->m_private_image->x0; 9716 p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0; 9717 if (p_image->x1 > p_j2k->m_private_image->x1) 9718 p_image->x1 = p_j2k->m_private_image->x1; 9719 9720 p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0; 9721 if (p_image->y0 < p_j2k->m_private_image->y0) 9722 p_image->y0 = p_j2k->m_private_image->y0; 9723 p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0; 9724 if (p_image->y1 > p_j2k->m_private_image->y1) 9725 p_image->y1 = p_j2k->m_private_image->y1; 9726 9727 l_img_comp = p_image->comps; 9728 for (compno=0; compno < p_image->numcomps; ++compno) 9729 { 9730 OPJ_INT32 l_comp_x1, l_comp_y1; 9731 9732 l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor; 9733 9734 l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0, (OPJ_INT32)l_img_comp->dx); 9735 l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0, (OPJ_INT32)l_img_comp->dy); 9736 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx); 9737 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy); 9738 9739 l_img_comp->w = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor)); 9740 l_img_comp->h = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor)); 9741 9742 l_img_comp++; 9743 } 9744 9745 /* Destroy the previous output image*/ 9746 if (p_j2k->m_output_image) 9747 opj_image_destroy(p_j2k->m_output_image); 9748 9749 /* Create the ouput image from the information previously computed*/ 9750 p_j2k->m_output_image = opj_image_create0(); 9751 if (! (p_j2k->m_output_image)) { 9752 return OPJ_FALSE; 9753 } 9754 opj_copy_image_header(p_image, p_j2k->m_output_image); 9755 9756 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = (OPJ_INT32)tile_index; 9757 9758 /* customization of the decoding */ 9759 opj_j2k_setup_decoding_tile(p_j2k); 9760 9761 /* Decode the codestream */ 9762 if (! opj_j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) { 9763 opj_image_destroy(p_j2k->m_private_image); 9764 p_j2k->m_private_image = NULL; 9765 return OPJ_FALSE; 9766 } 9767 9768 /* Move data and copy one information from codec to output image*/ 9769 for (compno = 0; compno < p_image->numcomps; compno++) { 9770 p_image->comps[compno].resno_decoded = p_j2k->m_output_image->comps[compno].resno_decoded; 9771 9772 if (p_image->comps[compno].data) 9773 opj_free(p_image->comps[compno].data); 9774 9775 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data; 9776 9777 p_j2k->m_output_image->comps[compno].data = NULL; 9778 } 9779 9780 return OPJ_TRUE; 9781 } 9782 9783 OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k, 9784 OPJ_UINT32 res_factor, 9785 opj_event_mgr_t * p_manager) 9786 { 9787 OPJ_UINT32 it_comp; 9788 9789 p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor; 9790 9791 if (p_j2k->m_private_image) { 9792 if (p_j2k->m_private_image->comps) { 9793 if (p_j2k->m_specific_param.m_decoder.m_default_tcp) { 9794 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) { 9795 for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) { 9796 OPJ_UINT32 max_res = p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions; 9797 if ( res_factor >= max_res){ 9798 opj_event_msg(p_manager, EVT_ERROR, "Resolution factor is greater than the maximum resolution in the component.\n"); 9799 return OPJ_FALSE; 9800 } 9801 p_j2k->m_private_image->comps[it_comp].factor = res_factor; 9802 } 9803 return OPJ_TRUE; 9804 } 9805 } 9806 } 9807 } 9808 9809 return OPJ_FALSE; 9810 } 9811 9812 OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k, 9813 opj_stream_private_t *p_stream, 9814 opj_event_mgr_t * p_manager ) 9815 { 9816 OPJ_UINT32 i, j; 9817 OPJ_UINT32 l_nb_tiles; 9818 OPJ_UINT32 l_max_tile_size = 0, l_current_tile_size; 9819 OPJ_BYTE * l_current_data = 00; 9820 opj_tcd_t* p_tcd = 00; 9821 9822 /* preconditions */ 9823 assert(p_j2k != 00); 9824 assert(p_stream != 00); 9825 assert(p_manager != 00); 9826 9827 p_tcd = p_j2k->m_tcd; 9828 9829 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw; 9830 for (i=0;i<l_nb_tiles;++i) { 9831 if (! opj_j2k_pre_write_tile(p_j2k,i,p_stream,p_manager)) { 9832 if (l_current_data) { 9833 opj_free(l_current_data); 9834 } 9835 return OPJ_FALSE; 9836 } 9837 9838 /* if we only have one tile, then simply set tile component data equal to image component data */ 9839 /* otherwise, allocate the data */ 9840 for (j=0;j<p_j2k->m_tcd->image->numcomps;++j) { 9841 opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j; 9842 if (l_nb_tiles == 1) { 9843 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j; 9844 l_tilec->data = l_img_comp->data; 9845 l_tilec->ownsData = OPJ_FALSE; 9846 } else { 9847 if(! opj_alloc_tile_component_data(l_tilec)) { 9848 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data." ); 9849 if (l_current_data) { 9850 opj_free(l_current_data); 9851 } 9852 return OPJ_FALSE; 9853 } 9854 opj_alloc_tile_component_data(l_tilec); 9855 } 9856 } 9857 l_current_tile_size = opj_tcd_get_encoded_tile_size(p_j2k->m_tcd); 9858 if (l_nb_tiles > 1) { 9859 if (l_current_tile_size > l_max_tile_size) { 9860 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data, l_current_tile_size); 9861 if (! l_new_current_data) { 9862 if (l_current_data) { 9863 opj_free(l_current_data); 9864 } 9865 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to encode all tiles\n"); 9866 return OPJ_FALSE; 9867 } 9868 l_current_data = l_new_current_data; 9869 l_max_tile_size = l_current_tile_size; 9870 } 9871 9872 /* copy image data (32 bit) to l_current_data as contiguous, all-component, zero offset buffer */ 9873 /* 32 bit components @ 8 bit precision get converted to 8 bit */ 9874 /* 32 bit components @ 16 bit precision get converted to 16 bit */ 9875 opj_j2k_get_tile_data(p_j2k->m_tcd,l_current_data); 9876 9877 /* now copy this data into the tile component */ 9878 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd,l_current_data,l_current_tile_size)) { 9879 opj_event_msg(p_manager, EVT_ERROR, "Size mismatch between tile data and sent data." ); 9880 return OPJ_FALSE; 9881 } 9882 } 9883 9884 if (! opj_j2k_post_write_tile (p_j2k,p_stream,p_manager)) { 9885 return OPJ_FALSE; 9886 } 9887 } 9888 9889 if (l_current_data) { 9890 opj_free(l_current_data); 9891 } 9892 return OPJ_TRUE; 9893 } 9894 9895 OPJ_BOOL opj_j2k_end_compress( opj_j2k_t *p_j2k, 9896 opj_stream_private_t *p_stream, 9897 opj_event_mgr_t * p_manager) 9898 { 9899 /* customization of the encoding */ 9900 opj_j2k_setup_end_compress(p_j2k); 9901 9902 if (! opj_j2k_exec (p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) 9903 { 9904 return OPJ_FALSE; 9905 } 9906 9907 return OPJ_TRUE; 9908 } 9909 9910 OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k, 9911 opj_stream_private_t *p_stream, 9912 opj_image_t * p_image, 9913 opj_event_mgr_t * p_manager) 9914 { 9915 /* preconditions */ 9916 assert(p_j2k != 00); 9917 assert(p_stream != 00); 9918 assert(p_manager != 00); 9919 9920 p_j2k->m_private_image = opj_image_create0(); 9921 if (! p_j2k->m_private_image) { 9922 opj_event_msg(p_manager, EVT_ERROR, "Failed to allocate image header." ); 9923 return OPJ_FALSE; 9924 } 9925 opj_copy_image_header(p_image, p_j2k->m_private_image); 9926 9927 /* TODO_MSD: Find a better way */ 9928 if (p_image->comps) { 9929 OPJ_UINT32 it_comp; 9930 for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) { 9931 if (p_image->comps[it_comp].data) { 9932 p_j2k->m_private_image->comps[it_comp].data =p_image->comps[it_comp].data; 9933 p_image->comps[it_comp].data = NULL; 9934 9935 } 9936 } 9937 } 9938 9939 /* customization of the validation */ 9940 opj_j2k_setup_encoding_validation (p_j2k); 9941 9942 /* validation of the parameters codec */ 9943 if (! opj_j2k_exec(p_j2k,p_j2k->m_validation_list,p_stream,p_manager)) { 9944 return OPJ_FALSE; 9945 } 9946 9947 /* customization of the encoding */ 9948 opj_j2k_setup_header_writing(p_j2k); 9949 9950 /* write header */ 9951 if (! opj_j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) { 9952 return OPJ_FALSE; 9953 } 9954 9955 return OPJ_TRUE; 9956 } 9957 9958 OPJ_BOOL opj_j2k_pre_write_tile ( opj_j2k_t * p_j2k, 9959 OPJ_UINT32 p_tile_index, 9960 opj_stream_private_t *p_stream, 9961 opj_event_mgr_t * p_manager ) 9962 { 9963 (void)p_stream; 9964 if (p_tile_index != p_j2k->m_current_tile_number) { 9965 opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match." ); 9966 return OPJ_FALSE; 9967 } 9968 9969 opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n", p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th); 9970 9971 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0; 9972 p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts; 9973 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0; 9974 9975 /* initialisation before tile encoding */ 9976 if (! opj_tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) { 9977 return OPJ_FALSE; 9978 } 9979 9980 return OPJ_TRUE; 9981 } 9982 9983 void opj_get_tile_dimensions(opj_image_t * l_image, 9984 opj_tcd_tilecomp_t * l_tilec, 9985 opj_image_comp_t * l_img_comp, 9986 OPJ_UINT32* l_size_comp, 9987 OPJ_UINT32* l_width, 9988 OPJ_UINT32* l_height, 9989 OPJ_UINT32* l_offset_x, 9990 OPJ_UINT32* l_offset_y, 9991 OPJ_UINT32* l_image_width, 9992 OPJ_UINT32* l_stride, 9993 OPJ_UINT32* l_tile_offset) { 9994 OPJ_UINT32 l_remaining; 9995 *l_size_comp = l_img_comp->prec >> 3; /* (/8) */ 9996 l_remaining = l_img_comp->prec & 7; /* (%8) */ 9997 if (l_remaining) { 9998 *l_size_comp += 1; 9999 } 10000 10001 if (*l_size_comp == 3) { 10002 *l_size_comp = 4; 10003 } 10004 10005 *l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0); 10006 *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0); 10007 *l_offset_x = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx); 10008 *l_offset_y = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->y0, (OPJ_INT32)l_img_comp->dy); 10009 *l_image_width = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x1 - (OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx); 10010 *l_stride = *l_image_width - *l_width; 10011 *l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width; 10012 } 10013 10014 void opj_j2k_get_tile_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data) 10015 { 10016 OPJ_UINT32 i,j,k = 0; 10017 10018 for (i=0;i<p_tcd->image->numcomps;++i) { 10019 opj_image_t * l_image = p_tcd->image; 10020 OPJ_INT32 * l_src_ptr; 10021 opj_tcd_tilecomp_t * l_tilec = p_tcd->tcd_image->tiles->comps + i; 10022 opj_image_comp_t * l_img_comp = l_image->comps + i; 10023 OPJ_UINT32 l_size_comp,l_width,l_height,l_offset_x,l_offset_y, l_image_width,l_stride,l_tile_offset; 10024 10025 opj_get_tile_dimensions(l_image, 10026 l_tilec, 10027 l_img_comp, 10028 &l_size_comp, 10029 &l_width, 10030 &l_height, 10031 &l_offset_x, 10032 &l_offset_y, 10033 &l_image_width, 10034 &l_stride, 10035 &l_tile_offset); 10036 10037 l_src_ptr = l_img_comp->data + l_tile_offset; 10038 10039 switch (l_size_comp) { 10040 case 1: 10041 { 10042 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data; 10043 if (l_img_comp->sgnd) { 10044 for (j=0;j<l_height;++j) { 10045 for (k=0;k<l_width;++k) { 10046 *(l_dest_ptr) = (OPJ_CHAR) (*l_src_ptr); 10047 ++l_dest_ptr; 10048 ++l_src_ptr; 10049 } 10050 l_src_ptr += l_stride; 10051 } 10052 } 10053 else { 10054 for (j=0;j<l_height;++j) { 10055 for (k=0;k<l_width;++k) { 10056 *(l_dest_ptr) = (OPJ_CHAR)((*l_src_ptr)&0xff); 10057 ++l_dest_ptr; 10058 ++l_src_ptr; 10059 } 10060 l_src_ptr += l_stride; 10061 } 10062 } 10063 10064 p_data = (OPJ_BYTE*) l_dest_ptr; 10065 } 10066 break; 10067 case 2: 10068 { 10069 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data; 10070 if (l_img_comp->sgnd) { 10071 for (j=0;j<l_height;++j) { 10072 for (k=0;k<l_width;++k) { 10073 *(l_dest_ptr++) = (OPJ_INT16) (*(l_src_ptr++)); 10074 } 10075 l_src_ptr += l_stride; 10076 } 10077 } 10078 else { 10079 for (j=0;j<l_height;++j) { 10080 for (k=0;k<l_width;++k) { 10081 *(l_dest_ptr++) = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff); 10082 } 10083 l_src_ptr += l_stride; 10084 } 10085 } 10086 10087 p_data = (OPJ_BYTE*) l_dest_ptr; 10088 } 10089 break; 10090 case 4: 10091 { 10092 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data; 10093 for (j=0;j<l_height;++j) { 10094 for (k=0;k<l_width;++k) { 10095 *(l_dest_ptr++) = *(l_src_ptr++); 10096 } 10097 l_src_ptr += l_stride; 10098 } 10099 10100 p_data = (OPJ_BYTE*) l_dest_ptr; 10101 } 10102 break; 10103 } 10104 } 10105 } 10106 10107 OPJ_BOOL opj_j2k_post_write_tile ( opj_j2k_t * p_j2k, 10108 opj_stream_private_t *p_stream, 10109 opj_event_mgr_t * p_manager ) 10110 { 10111 OPJ_UINT32 l_nb_bytes_written; 10112 OPJ_BYTE * l_current_data = 00; 10113 OPJ_UINT32 l_tile_size = 0; 10114 OPJ_UINT32 l_available_data; 10115 10116 /* preconditions */ 10117 assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data); 10118 10119 l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size; 10120 l_available_data = l_tile_size; 10121 l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data; 10122 10123 l_nb_bytes_written = 0; 10124 if (! opj_j2k_write_first_tile_part(p_j2k,l_current_data,&l_nb_bytes_written,l_available_data,p_stream,p_manager)) { 10125 return OPJ_FALSE; 10126 } 10127 l_current_data += l_nb_bytes_written; 10128 l_available_data -= l_nb_bytes_written; 10129 10130 l_nb_bytes_written = 0; 10131 if (! opj_j2k_write_all_tile_parts(p_j2k,l_current_data,&l_nb_bytes_written,l_available_data,p_stream,p_manager)) { 10132 return OPJ_FALSE; 10133 } 10134 10135 l_available_data -= l_nb_bytes_written; 10136 l_nb_bytes_written = l_tile_size - l_available_data; 10137 10138 if ( opj_stream_write_data( p_stream, 10139 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data, 10140 l_nb_bytes_written,p_manager) != l_nb_bytes_written) { 10141 return OPJ_FALSE; 10142 } 10143 10144 ++p_j2k->m_current_tile_number; 10145 10146 return OPJ_TRUE; 10147 } 10148 10149 void opj_j2k_setup_end_compress (opj_j2k_t *p_j2k) 10150 { 10151 /* preconditions */ 10152 assert(p_j2k != 00); 10153 10154 /* DEVELOPER CORNER, insert your custom procedures */ 10155 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_eoc ); 10156 10157 if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) { 10158 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_updated_tlm); 10159 } 10160 10161 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_epc ); 10162 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_end_encoding ); 10163 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_destroy_header_memory); 10164 } 10165 10166 void opj_j2k_setup_encoding_validation (opj_j2k_t *p_j2k) 10167 { 10168 /* preconditions */ 10169 assert(p_j2k != 00); 10170 10171 opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_build_encoder); 10172 opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_encoding_validation); 10173 10174 /* DEVELOPER CORNER, add your custom validation procedure */ 10175 opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_mct_validation); 10176 } 10177 10178 void opj_j2k_setup_header_writing (opj_j2k_t *p_j2k) 10179 { 10180 /* preconditions */ 10181 assert(p_j2k != 00); 10182 10183 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_init_info ); 10184 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_soc ); 10185 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_siz ); 10186 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_cod ); 10187 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_qcd ); 10188 10189 if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) { 10190 /* No need for COC or QCC, QCD and COD are used 10191 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_all_coc ); 10192 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_all_qcc ); 10193 */ 10194 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_tlm ); 10195 10196 if (p_j2k->m_cp.rsiz == OPJ_PROFILE_CINEMA_4K) { 10197 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_poc ); 10198 } 10199 } 10200 10201 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_regions); 10202 10203 if (p_j2k->m_cp.comment != 00) { 10204 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_com); 10205 } 10206 10207 /* DEVELOPER CORNER, insert your custom procedures */ 10208 if (p_j2k->m_cp.rsiz & OPJ_EXTENSION_MCT) { 10209 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_mct_data_group ); 10210 } 10211 /* End of Developer Corner */ 10212 10213 if (p_j2k->cstr_index) { 10214 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_get_end_header ); 10215 } 10216 10217 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_create_tcd); 10218 opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_update_rates); 10219 } 10220 10221 OPJ_BOOL opj_j2k_write_first_tile_part (opj_j2k_t *p_j2k, 10222 OPJ_BYTE * p_data, 10223 OPJ_UINT32 * p_data_written, 10224 OPJ_UINT32 p_total_data_size, 10225 opj_stream_private_t *p_stream, 10226 struct opj_event_mgr * p_manager ) 10227 { 10228 OPJ_UINT32 l_nb_bytes_written = 0; 10229 OPJ_UINT32 l_current_nb_bytes_written; 10230 OPJ_BYTE * l_begin_data = 00; 10231 10232 opj_tcd_t * l_tcd = 00; 10233 opj_cp_t * l_cp = 00; 10234 10235 l_tcd = p_j2k->m_tcd; 10236 l_cp = &(p_j2k->m_cp); 10237 10238 l_tcd->cur_pino = 0; 10239 10240 /*Get number of tile parts*/ 10241 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0; 10242 10243 /* INDEX >> */ 10244 /* << INDEX */ 10245 10246 l_current_nb_bytes_written = 0; 10247 l_begin_data = p_data; 10248 if (! opj_j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager)) 10249 { 10250 return OPJ_FALSE; 10251 } 10252 10253 l_nb_bytes_written += l_current_nb_bytes_written; 10254 p_data += l_current_nb_bytes_written; 10255 p_total_data_size -= l_current_nb_bytes_written; 10256 10257 if (!OPJ_IS_CINEMA(l_cp->rsiz)) { 10258 #if 0 10259 for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) { 10260 l_current_nb_bytes_written = 0; 10261 opj_j2k_write_coc_in_memory(p_j2k,compno,p_data,&l_current_nb_bytes_written,p_manager); 10262 l_nb_bytes_written += l_current_nb_bytes_written; 10263 p_data += l_current_nb_bytes_written; 10264 p_total_data_size -= l_current_nb_bytes_written; 10265 10266 l_current_nb_bytes_written = 0; 10267 opj_j2k_write_qcc_in_memory(p_j2k,compno,p_data,&l_current_nb_bytes_written,p_manager); 10268 l_nb_bytes_written += l_current_nb_bytes_written; 10269 p_data += l_current_nb_bytes_written; 10270 p_total_data_size -= l_current_nb_bytes_written; 10271 } 10272 #endif 10273 10274 if (l_cp->tcps[p_j2k->m_current_tile_number].numpocs) { 10275 l_current_nb_bytes_written = 0; 10276 opj_j2k_write_poc_in_memory(p_j2k,p_data,&l_current_nb_bytes_written,p_manager); 10277 l_nb_bytes_written += l_current_nb_bytes_written; 10278 p_data += l_current_nb_bytes_written; 10279 p_total_data_size -= l_current_nb_bytes_written; 10280 } 10281 } 10282 10283 l_current_nb_bytes_written = 0; 10284 if (! opj_j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) { 10285 return OPJ_FALSE; 10286 } 10287 10288 l_nb_bytes_written += l_current_nb_bytes_written; 10289 * p_data_written = l_nb_bytes_written; 10290 10291 /* Writing Psot in SOT marker */ 10292 opj_write_bytes(l_begin_data + 6,l_nb_bytes_written,4); /* PSOT */ 10293 10294 if (OPJ_IS_CINEMA(l_cp->rsiz)){ 10295 opj_j2k_update_tlm(p_j2k,l_nb_bytes_written); 10296 } 10297 10298 return OPJ_TRUE; 10299 } 10300 10301 OPJ_BOOL opj_j2k_write_all_tile_parts( opj_j2k_t *p_j2k, 10302 OPJ_BYTE * p_data, 10303 OPJ_UINT32 * p_data_written, 10304 OPJ_UINT32 p_total_data_size, 10305 opj_stream_private_t *p_stream, 10306 struct opj_event_mgr * p_manager 10307 ) 10308 { 10309 OPJ_UINT32 tilepartno=0; 10310 OPJ_UINT32 l_nb_bytes_written = 0; 10311 OPJ_UINT32 l_current_nb_bytes_written; 10312 OPJ_UINT32 l_part_tile_size; 10313 OPJ_UINT32 tot_num_tp; 10314 OPJ_UINT32 pino; 10315 10316 OPJ_BYTE * l_begin_data; 10317 opj_tcp_t *l_tcp = 00; 10318 opj_tcd_t * l_tcd = 00; 10319 opj_cp_t * l_cp = 00; 10320 10321 l_tcd = p_j2k->m_tcd; 10322 l_cp = &(p_j2k->m_cp); 10323 l_tcp = l_cp->tcps + p_j2k->m_current_tile_number; 10324 10325 /*Get number of tile parts*/ 10326 tot_num_tp = opj_j2k_get_num_tp(l_cp,0,p_j2k->m_current_tile_number); 10327 10328 /* start writing remaining tile parts */ 10329 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number; 10330 for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) { 10331 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno; 10332 l_current_nb_bytes_written = 0; 10333 l_part_tile_size = 0; 10334 l_begin_data = p_data; 10335 10336 if (! opj_j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager)) { 10337 return OPJ_FALSE; 10338 } 10339 10340 l_nb_bytes_written += l_current_nb_bytes_written; 10341 p_data += l_current_nb_bytes_written; 10342 p_total_data_size -= l_current_nb_bytes_written; 10343 l_part_tile_size += l_current_nb_bytes_written; 10344 10345 l_current_nb_bytes_written = 0; 10346 if (! opj_j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) { 10347 return OPJ_FALSE; 10348 } 10349 10350 p_data += l_current_nb_bytes_written; 10351 l_nb_bytes_written += l_current_nb_bytes_written; 10352 p_total_data_size -= l_current_nb_bytes_written; 10353 l_part_tile_size += l_current_nb_bytes_written; 10354 10355 /* Writing Psot in SOT marker */ 10356 opj_write_bytes(l_begin_data + 6,l_part_tile_size,4); /* PSOT */ 10357 10358 if (OPJ_IS_CINEMA(l_cp->rsiz)) { 10359 opj_j2k_update_tlm(p_j2k,l_part_tile_size); 10360 } 10361 10362 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number; 10363 } 10364 10365 for (pino = 1; pino <= l_tcp->numpocs; ++pino) { 10366 l_tcd->cur_pino = pino; 10367 10368 /*Get number of tile parts*/ 10369 tot_num_tp = opj_j2k_get_num_tp(l_cp,pino,p_j2k->m_current_tile_number); 10370 for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) { 10371 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno; 10372 l_current_nb_bytes_written = 0; 10373 l_part_tile_size = 0; 10374 l_begin_data = p_data; 10375 10376 if (! opj_j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager)) { 10377 return OPJ_FALSE; 10378 } 10379 10380 l_nb_bytes_written += l_current_nb_bytes_written; 10381 p_data += l_current_nb_bytes_written; 10382 p_total_data_size -= l_current_nb_bytes_written; 10383 l_part_tile_size += l_current_nb_bytes_written; 10384 10385 l_current_nb_bytes_written = 0; 10386 10387 if (! opj_j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) { 10388 return OPJ_FALSE; 10389 } 10390 10391 l_nb_bytes_written += l_current_nb_bytes_written; 10392 p_data += l_current_nb_bytes_written; 10393 p_total_data_size -= l_current_nb_bytes_written; 10394 l_part_tile_size += l_current_nb_bytes_written; 10395 10396 /* Writing Psot in SOT marker */ 10397 opj_write_bytes(l_begin_data + 6,l_part_tile_size,4); /* PSOT */ 10398 10399 if (OPJ_IS_CINEMA(l_cp->rsiz)) { 10400 opj_j2k_update_tlm(p_j2k,l_part_tile_size); 10401 } 10402 10403 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number; 10404 } 10405 } 10406 10407 *p_data_written = l_nb_bytes_written; 10408 10409 return OPJ_TRUE; 10410 } 10411 10412 OPJ_BOOL opj_j2k_write_updated_tlm( opj_j2k_t *p_j2k, 10413 struct opj_stream_private *p_stream, 10414 struct opj_event_mgr * p_manager ) 10415 { 10416 OPJ_UINT32 l_tlm_size; 10417 OPJ_OFF_T l_tlm_position, l_current_position; 10418 10419 /* preconditions */ 10420 assert(p_j2k != 00); 10421 assert(p_manager != 00); 10422 assert(p_stream != 00); 10423 10424 l_tlm_size = 5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts; 10425 l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start; 10426 l_current_position = opj_stream_tell(p_stream); 10427 10428 if (! opj_stream_seek(p_stream,l_tlm_position,p_manager)) { 10429 return OPJ_FALSE; 10430 } 10431 10432 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer,l_tlm_size,p_manager) != l_tlm_size) { 10433 return OPJ_FALSE; 10434 } 10435 10436 if (! opj_stream_seek(p_stream,l_current_position,p_manager)) { 10437 return OPJ_FALSE; 10438 } 10439 10440 return OPJ_TRUE; 10441 } 10442 10443 OPJ_BOOL opj_j2k_end_encoding( opj_j2k_t *p_j2k, 10444 struct opj_stream_private *p_stream, 10445 struct opj_event_mgr * p_manager ) 10446 { 10447 /* preconditions */ 10448 assert(p_j2k != 00); 10449 assert(p_manager != 00); 10450 assert(p_stream != 00); 10451 10452 opj_tcd_destroy(p_j2k->m_tcd); 10453 p_j2k->m_tcd = 00; 10454 10455 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) { 10456 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer); 10457 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0; 10458 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0; 10459 } 10460 10461 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) { 10462 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data); 10463 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0; 10464 } 10465 10466 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0; 10467 10468 return OPJ_TRUE; 10469 } 10470 10471 /** 10472 * Destroys the memory associated with the decoding of headers. 10473 */ 10474 static OPJ_BOOL opj_j2k_destroy_header_memory ( opj_j2k_t * p_j2k, 10475 opj_stream_private_t *p_stream, 10476 opj_event_mgr_t * p_manager 10477 ) 10478 { 10479 /* preconditions */ 10480 assert(p_j2k != 00); 10481 assert(p_stream != 00); 10482 assert(p_manager != 00); 10483 10484 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) { 10485 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data); 10486 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0; 10487 } 10488 10489 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0; 10490 10491 return OPJ_TRUE; 10492 } 10493 10494 OPJ_BOOL opj_j2k_init_info( opj_j2k_t *p_j2k, 10495 struct opj_stream_private *p_stream, 10496 struct opj_event_mgr * p_manager ) 10497 { 10498 opj_codestream_info_t * l_cstr_info = 00; 10499 10500 /* preconditions */ 10501 assert(p_j2k != 00); 10502 assert(p_manager != 00); 10503 assert(p_stream != 00); 10504 (void)l_cstr_info; 10505 10506 /* TODO mergeV2: check this part which use cstr_info */ 10507 /*l_cstr_info = p_j2k->cstr_info; 10508 10509 if (l_cstr_info) { 10510 OPJ_UINT32 compno; 10511 l_cstr_info->tile = (opj_tile_info_t *) opj_malloc(p_j2k->m_cp.tw * p_j2k->m_cp.th * sizeof(opj_tile_info_t)); 10512 10513 l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0; 10514 l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0; 10515 10516 l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg; 10517 10518 l_cstr_info->tw = p_j2k->m_cp.tw; 10519 l_cstr_info->th = p_j2k->m_cp.th; 10520 10521 l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */ 10522 /*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */ 10523 /*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */ 10524 /*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */ 10525 10526 /*l_cstr_info->numcomps = p_j2k->m_image->numcomps; 10527 10528 l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers; 10529 10530 l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32)); 10531 10532 for (compno=0; compno < p_j2k->m_image->numcomps; compno++) { 10533 l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1; 10534 } 10535 10536 l_cstr_info->D_max = 0.0; */ /* ADD Marcela */ 10537 10538 /*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */ 10539 10540 /*l_cstr_info->maxmarknum = 100; 10541 l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t)); 10542 l_cstr_info->marknum = 0; 10543 }*/ 10544 10545 return opj_j2k_calculate_tp(p_j2k,&(p_j2k->m_cp),&p_j2k->m_specific_param.m_encoder.m_total_tile_parts,p_j2k->m_private_image,p_manager); 10546 } 10547 10548 /** 10549 * Creates a tile-coder decoder. 10550 * 10551 * @param p_stream the stream to write data to. 10552 * @param p_j2k J2K codec. 10553 * @param p_manager the user event manager. 10554 */ 10555 static OPJ_BOOL opj_j2k_create_tcd( opj_j2k_t *p_j2k, 10556 opj_stream_private_t *p_stream, 10557 opj_event_mgr_t * p_manager 10558 ) 10559 { 10560 /* preconditions */ 10561 assert(p_j2k != 00); 10562 assert(p_manager != 00); 10563 assert(p_stream != 00); 10564 10565 p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE); 10566 10567 if (! p_j2k->m_tcd) { 10568 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n"); 10569 return OPJ_FALSE; 10570 } 10571 10572 if (!opj_tcd_init(p_j2k->m_tcd,p_j2k->m_private_image,&p_j2k->m_cp)) { 10573 opj_tcd_destroy(p_j2k->m_tcd); 10574 p_j2k->m_tcd = 00; 10575 return OPJ_FALSE; 10576 } 10577 10578 return OPJ_TRUE; 10579 } 10580 10581 OPJ_BOOL opj_j2k_write_tile (opj_j2k_t * p_j2k, 10582 OPJ_UINT32 p_tile_index, 10583 OPJ_BYTE * p_data, 10584 OPJ_UINT32 p_data_size, 10585 opj_stream_private_t *p_stream, 10586 opj_event_mgr_t * p_manager ) 10587 { 10588 if (! opj_j2k_pre_write_tile(p_j2k,p_tile_index,p_stream,p_manager)) { 10589 opj_event_msg(p_manager, EVT_ERROR, "Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index); 10590 return OPJ_FALSE; 10591 } 10592 else { 10593 OPJ_UINT32 j; 10594 /* Allocate data */ 10595 for (j=0;j<p_j2k->m_tcd->image->numcomps;++j) { 10596 opj_tcd_tilecomp_t* l_tilec = p_j2k->m_tcd->tcd_image->tiles->comps + j; 10597 10598 if(! opj_alloc_tile_component_data(l_tilec)) { 10599 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data." ); 10600 return OPJ_FALSE; 10601 } 10602 } 10603 10604 /* now copy data into the the tile component */ 10605 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd,p_data,p_data_size)) { 10606 opj_event_msg(p_manager, EVT_ERROR, "Size mismatch between tile data and sent data." ); 10607 return OPJ_FALSE; 10608 } 10609 if (! opj_j2k_post_write_tile(p_j2k,p_stream,p_manager)) { 10610 opj_event_msg(p_manager, EVT_ERROR, "Error while opj_j2k_post_write_tile with tile index = %d\n", p_tile_index); 10611 return OPJ_FALSE; 10612 } 10613 } 10614 10615 return OPJ_TRUE; 10616 } 10617
