src/lib/openjp2/jp2.c

   1 /*
   2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
   3  * Copyright (c) 2002-2007, Professor Benoit Macq
   4  * Copyright (c) 2001-2003, David Janssens
   5  * Copyright (c) 2002-2003, Yannick Verschueren
   6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
   7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
   8  * Copyright (c) 2010-2011, Kaori Hagihara
   9  * Copyright (c) 2008;2011-2012, Centre National d'Etudes Spatiales (CNES), France
  10  * Copyright (c) 2012, CS Systemes d'Information, France
  11  * All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  */
  34 #include "opj_includes.h"
  35
  36 /** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */
  37 /*@{*/
  38
  39 #define OPJ_BOX_SIZE    1024
  40
  41 /** @name Local static functions */
  42 /*@{*/
  43
  44 /*static void jp2_write_url(opj_cio_t *cio, char *Idx_file);*/
  45
  46 /**
  47  * Reads a IHDR box - Image Header box
  48  *
  49  * @param       p_image_header_data                     pointer to actual data (already read from file)
  50  * @param       jp2                                                     the jpeg2000 file codec.
  51  * @param       p_image_header_size                     the size of the image header
  52  * @param       p_manager                                       the user event manager.
  53  *
  54  * @return      true if the image header is valid, false else.
  55  */
  56 static OPJ_BOOL opj_jp2_read_ihdr(  opj_jp2_t *jp2,
  57                                     OPJ_BYTE *p_image_header_data,
  58                                     OPJ_UINT32 p_image_header_size,
  59                                     opj_event_mgr_t * p_manager );
  60
  61 /**
  62  * Writes the Image Header box - Image Header box.
  63  *
  64  * @param jp2                                   jpeg2000 file codec.
  65  * @param p_nb_bytes_written    pointer to store the nb of bytes written by the function.
  66  *
  67  * @return      the data being copied.
  68 */
  69 static OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2,
  70                                      OPJ_UINT32 * p_nb_bytes_written );
  71
  72 /**
  73  * Writes the Bit per Component box.
  74  *
  75  * @param       jp2                                             jpeg2000 file codec.
  76  * @param       p_nb_bytes_written              pointer to store the nb of bytes written by the function.
  77  *
  78  * @return      the data being copied.
  79 */
  80 static OPJ_BYTE * opj_jp2_write_bpcc(   opj_jp2_t *jp2,
  81                                                                         OPJ_UINT32 * p_nb_bytes_written );
  82
  83 /**
  84  * Reads a Bit per Component box.
  85  *
  86  * @param       p_bpc_header_data                       pointer to actual data (already read from file)
  87  * @param       jp2                                                     the jpeg2000 file codec.
  88  * @param       p_bpc_header_size                       the size of the bpc header
  89  * @param       p_manager                                       the user event manager.
  90  *
  91  * @return      true if the bpc header is valid, fale else.
  92  */
  93 static OPJ_BOOL opj_jp2_read_bpcc(  opj_jp2_t *jp2,
  94                                     OPJ_BYTE * p_bpc_header_data,
  95                                     OPJ_UINT32 p_bpc_header_size,
  96                                     opj_event_mgr_t * p_manager );
  97
  98 static OPJ_BOOL opj_jp2_read_cdef(      opj_jp2_t * jp2,
  99                                     OPJ_BYTE * p_cdef_header_data,
 100                                                                         OPJ_UINT32 p_cdef_header_size,
 101                                                                         opj_event_mgr_t * p_manager );
 102
 103 static void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color);
 104
 105 /**
 106  * Writes the Colour Specification box.
 107  *
 108  * @param jp2                                   jpeg2000 file codec.
 109  * @param p_nb_bytes_written    pointer to store the nb of bytes written by the function.
 110  *
 111  * @return      the data being copied.
 112 */
 113 static OPJ_BYTE * opj_jp2_write_colr(   opj_jp2_t *jp2,
 114                                                                             OPJ_UINT32 * p_nb_bytes_written );
 115
 116 /**
 117  * Writes a FTYP box - File type box
 118  *
 119  * @param       cio                     the stream to write data to.
 120  * @param       jp2                     the jpeg2000 file codec.
 121  * @param       p_manager       the user event manager.
 122  *
 123  * @return      true if writing was successful.
 124  */
 125 static OPJ_BOOL opj_jp2_write_ftyp(     opj_jp2_t *jp2,
 126                                                                         opj_stream_private_t *cio,
 127                                                                         opj_event_mgr_t * p_manager );
 128
 129 /**
 130  * Reads a a FTYP box - File type box
 131  *
 132  * @param       p_header_data   the data contained in the FTYP box.
 133  * @param       jp2                             the jpeg2000 file codec.
 134  * @param       p_header_size   the size of the data contained in the FTYP box.
 135  * @param       p_manager               the user event manager.
 136  *
 137  * @return true if the FTYP box is valid.
 138  */
 139 static OPJ_BOOL opj_jp2_read_ftyp(      opj_jp2_t *jp2,
 140                                                                         OPJ_BYTE * p_header_data,
 141                                                                         OPJ_UINT32 p_header_size,
 142                                                                         opj_event_mgr_t * p_manager );
 143
 144 OPJ_BOOL opj_jp2_skip_jp2c(     opj_jp2_t *jp2,
 145                                                     opj_stream_private_t *cio,
 146                                                     opj_event_mgr_t * p_manager );
 147
 148 /**
 149  * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
 150  *
 151  * @param       p_header_data   the data contained in the file header box.
 152  * @param       jp2                             the jpeg2000 file codec.
 153  * @param       p_header_size   the size of the data contained in the file header box.
 154  * @param       p_manager               the user event manager.
 155  *
 156  * @return true if the JP2 Header box was successfully reconized.
 157 */
 158 static OPJ_BOOL opj_jp2_read_jp2h(  opj_jp2_t *jp2,
 159                                     OPJ_BYTE *p_header_data,
 160                                     OPJ_UINT32 p_header_size,
 161                                     opj_event_mgr_t * p_manager );
 162
 163 /**
 164  * Writes the Jpeg2000 codestream Header box - JP2C Header box. This function must be called AFTER the coding has been done.
 165  *
 166  * @param       cio                     the stream to write data to.
 167  * @param       jp2                     the jpeg2000 file codec.
 168  * @param       p_manager       user event manager.
 169  *
 170  * @return true if writing was successful.
 171 */
 172 static OPJ_BOOL opj_jp2_write_jp2c(     opj_jp2_t *jp2,
 173                                                                     opj_stream_private_t *cio,
 174                                                                     opj_event_mgr_t * p_manager );
 175
 176 #ifdef USE_JPIP
 177 /**
 178  * Write index Finder box
 179  * @param cio     the stream to write to.
 180  * @param       jp2                     the jpeg2000 file codec.
 181  * @param       p_manager       user event manager.
 182 */
 183 static OPJ_BOOL opj_jpip_write_iptr(    opj_jp2_t *jp2,
 184                                                                     opj_stream_private_t *cio,
 185                                                                     opj_event_mgr_t * p_manager );
 186
 187 /**
 188  * Write index Finder box
 189  * @param cio     the stream to write to.
 190  * @param       jp2                     the jpeg2000 file codec.
 191  * @param       p_manager       user event manager.
 192  */
 193 static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2,
 194   opj_stream_private_t *cio,
 195   opj_event_mgr_t * p_manager );
 196
 197 /**
 198  * Write file Index (superbox)
 199  * @param cio     the stream to write to.
 200  * @param       jp2                     the jpeg2000 file codec.
 201  * @param       p_manager       user event manager.
 202  */
 203 static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2,
 204   opj_stream_private_t *cio,
 205   opj_event_mgr_t * p_manager );
 206 #endif /* USE_JPIP */
 207
 208 /**
 209  * Reads a jpeg2000 file signature box.
 210  *
 211  * @param       p_header_data   the data contained in the signature box.
 212  * @param       jp2                             the jpeg2000 file codec.
 213  * @param       p_header_size   the size of the data contained in the signature box.
 214  * @param       p_manager               the user event manager.
 215  *
 216  * @return true if the file signature box is valid.
 217  */
 218 static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2,
 219                                 OPJ_BYTE * p_header_data,
 220                                 OPJ_UINT32 p_header_size,
 221                                 opj_event_mgr_t * p_manager);
 222
 223 /**
 224  * Writes a jpeg2000 file signature box.
 225  *
 226  * @param cio the stream to write data to.
 227  * @param       jp2                     the jpeg2000 file codec.
 228  * @param p_manager the user event manager.
 229  *
 230  * @return true if writing was successful.
 231  */
 232 static OPJ_BOOL opj_jp2_write_jp(       opj_jp2_t *jp2,
 233                                                     opj_stream_private_t *cio,
 234                                                         opj_event_mgr_t * p_manager );
 235
 236 /**
 237 Apply collected palette data
 238 @param color Collector for profile, cdef and pclr data
 239 @param image
 240 */
 241 static void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color);
 242
 243 static void opj_jp2_free_pclr(opj_jp2_color_t *color);
 244
 245 /**
 246  * Collect palette data
 247  *
 248  * @param jp2 JP2 handle
 249  * @param p_pclr_header_data    FIXME DOC
 250  * @param p_pclr_header_size    FIXME DOC
 251  * @param p_manager
 252  *
 253  * @return Returns true if successful, returns false otherwise
 254 */
 255 static OPJ_BOOL opj_jp2_read_pclr(      opj_jp2_t *jp2,
 256                                     OPJ_BYTE * p_pclr_header_data,
 257                                     OPJ_UINT32 p_pclr_header_size,
 258                                     opj_event_mgr_t * p_manager );
 259
 260 /**
 261  * Collect component mapping data
 262  *
 263  * @param jp2                 JP2 handle
 264  * @param p_cmap_header_data  FIXME DOC
 265  * @param p_cmap_header_size  FIXME DOC
 266  * @param p_manager           FIXME DOC
 267  *
 268  * @return Returns true if successful, returns false otherwise
 269 */
 270
 271 static OPJ_BOOL opj_jp2_read_cmap(      opj_jp2_t * jp2,
 272                                     OPJ_BYTE * p_cmap_header_data,
 273                                     OPJ_UINT32 p_cmap_header_size,
 274                                     opj_event_mgr_t * p_manager );
 275
 276 /**
 277  * Reads the Color Specification box.
 278  *
 279  * @param       p_colr_header_data                      pointer to actual data (already read from file)
 280  * @param       jp2                                                     the jpeg2000 file codec.
 281  * @param       p_colr_header_size                      the size of the color header
 282  * @param       p_manager                                       the user event manager.
 283  *
 284  * @return      true if the bpc header is valid, fale else.
 285 */
 286 static OPJ_BOOL opj_jp2_read_colr(  opj_jp2_t *jp2,
 287                                     OPJ_BYTE * p_colr_header_data,
 288                                     OPJ_UINT32 p_colr_header_size,
 289                                     opj_event_mgr_t * p_manager );
 290
 291 /*@}*/
 292
 293 /*@}*/
 294
 295 /**
 296  * Sets up the procedures to do on writing header after the codestream.
 297  * Developpers wanting to extend the library can add their own writing procedures.
 298  */
 299 static void opj_jp2_setup_end_header_writing (opj_jp2_t *jp2);
 300
 301 /**
 302  * Sets up the procedures to do on reading header after the codestream.
 303  * Developpers wanting to extend the library can add their own writing procedures.
 304  */
 305 static void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2);
 306
 307 /**
 308  * Reads a jpeg2000 file header structure.
 309  *
 310  * @param jp2 the jpeg2000 file header structure.
 311  * @param stream the stream to read data from.
 312  * @param p_manager the user event manager.
 313  *
 314  * @return true if the box is valid.
 315  */
 316 static OPJ_BOOL opj_jp2_read_header_procedure(  opj_jp2_t *jp2,
 317                                                 opj_stream_private_t *stream,
 318                                                 opj_event_mgr_t * p_manager );
 319
 320 /**
 321  * Excutes the given procedures on the given codec.
 322  *
 323  * @param       p_procedure_list        the list of procedures to execute
 324  * @param       jp2                                     the jpeg2000 file codec to execute the procedures on.
 325  * @param       stream                                  the stream to execute the procedures on.
 326  * @param       p_manager                       the user manager.
 327  *
 328  * @return      true                            if all the procedures were successfully executed.
 329  */
 330 static OPJ_BOOL opj_jp2_exec (  opj_jp2_t * jp2,
 331                                 opj_procedure_list_t * p_procedure_list,
 332                                 opj_stream_private_t *stream,
 333                                 opj_event_mgr_t * p_manager );
 334
 335 /**
 336  * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure.
 337  *
 338  * @param       cio                                             the input stream to read data from.
 339  * @param       box                                             the box structure to fill.
 340  * @param       p_number_bytes_read             pointer to an int that will store the number of bytes read from the stream (shoul usually be 2).
 341  * @param       p_manager                               user event manager.
 342  *
 343  * @return      true if the box is reconized, false otherwise
 344 */
 345 static OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box,
 346                                     OPJ_UINT32 * p_number_bytes_read,
 347                                     opj_stream_private_t *cio,
 348                                     opj_event_mgr_t * p_manager);
 349
 350 /**
 351  * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
 352  * are valid. Developpers wanting to extend the library can add their own validation procedures.
 353  */
 354 static void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2);
 355
 356 /**
 357  * Sets up the procedures to do on writing header. Developpers wanting to extend the library can add their own writing procedures.
 358  */
 359 static void opj_jp2_setup_header_writing (opj_jp2_t *jp2);
 360
 361 OPJ_BOOL opj_jp2_default_validation (   opj_jp2_t * jp2,
 362                                         opj_stream_private_t *cio,
 363                                         opj_event_mgr_t * p_manager );
 364
 365 /**
 366  * Finds the image execution function related to the given box id.
 367  *
 368  * @param       p_id    the id of the handler to fetch.
 369  *
 370  * @return      the given handler or NULL if it could not be found.
 371  */
 372 static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id);
 373
 374 /**
 375  * Finds the execution function related to the given box id.
 376  *
 377  * @param       p_id    the id of the handler to fetch.
 378  *
 379  * @return      the given handler or NULL if it could not be found.
 380  */
 381 static const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id );
 382
 383 const opj_jp2_header_handler_t jp2_header [] =
 384 {
 385         {JP2_JP,opj_jp2_read_jp},
 386         {JP2_FTYP,opj_jp2_read_ftyp},
 387         {JP2_JP2H,opj_jp2_read_jp2h}
 388 };
 389
 390 const opj_jp2_header_handler_t jp2_img_header [] =
 391 {
 392         {JP2_IHDR,opj_jp2_read_ihdr},
 393         {JP2_COLR,opj_jp2_read_colr},
 394         {JP2_BPCC,opj_jp2_read_bpcc},
 395         {JP2_PCLR,opj_jp2_read_pclr},
 396         {JP2_CMAP,opj_jp2_read_cmap},
 397         {JP2_CDEF,opj_jp2_read_cdef}
 398
 399 };
 400
 401 /**
 402  * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. Data is read from a character string
 403  *
 404  * @param       box                                             the box structure to fill.
 405  * @param       p_data                                  the character string to read data from.
 406  * @param       p_number_bytes_read             pointer to an int that will store the number of bytes read from the stream (shoul usually be 2).
 407  * @param       p_box_max_size                  the maximum number of bytes in the box.
 408  * @param       p_manager         FIXME DOC
 409  *
 410  * @return      true if the box is reconized, false otherwise
 411 */
 412 static OPJ_BOOL opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
 413                                             OPJ_BYTE * p_data,
 414                                             OPJ_UINT32 * p_number_bytes_read,
 415                                             OPJ_UINT32 p_box_max_size,
 416                                             opj_event_mgr_t * p_manager );
 417
 418 /**
 419  * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
 420  * are valid. Developpers wanting to extend the library can add their own validation procedures.
 421  */
 422 static void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2);
 423
 424 /**
 425  * Sets up the procedures to do on reading header.
 426  * Developpers wanting to extend the library can add their own writing procedures.
 427  */
 428 static void opj_jp2_setup_header_reading (opj_jp2_t *jp2);
 429
 430 /* ----------------------------------------------------------------------- */
 431  OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box,
 432                               OPJ_UINT32 * p_number_bytes_read,
 433                               opj_stream_private_t *cio,
 434                               opj_event_mgr_t * p_manager )
 435 {
 436         /* read header from file */
 437         OPJ_BYTE l_data_header [8];
 438
 439         /* preconditions */
 440         assert(cio != 00);
 441         assert(box != 00);
 442         assert(p_number_bytes_read != 00);
 443         assert(p_manager != 00);
 444
 445         *p_number_bytes_read = opj_stream_read_data(cio,l_data_header,8,p_manager);
 446         if (*p_number_bytes_read != 8) {
 447                 return OPJ_FALSE;
 448         }
 449
 450         /* process read data */
 451         opj_read_bytes(l_data_header,&(box->length), 4);
 452         opj_read_bytes(l_data_header+4,&(box->type), 4);
 453
 454     if(box->length == 0)/* last box */
 455     {
 456         box->length = opj_stream_get_number_byte_left(cio);
 457         return OPJ_TRUE;
 458     }
 459
 460         /* do we have a "special very large box ?" */
 461         /* read then the XLBox */
 462         if (box->length == 1) {
 463                 OPJ_UINT32 l_xl_part_size;
 464
 465                 OPJ_UINT32 l_nb_bytes_read = opj_stream_read_data(cio,l_data_header,8,p_manager);
 466                 if (l_nb_bytes_read != 8) {
 467                         if (l_nb_bytes_read > 0) {
 468                                 *p_number_bytes_read += l_nb_bytes_read;
 469                         }
 470
 471                         return OPJ_FALSE;
 472                 }
 473
 474         *p_number_bytes_read = 16;
 475                 opj_read_bytes(l_data_header,&l_xl_part_size, 4);
 476                 if (l_xl_part_size != 0) {
 477                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
 478                         return OPJ_FALSE;
 479                 }
 480                 opj_read_bytes(l_data_header+4,&(box->length), 4);
 481         }
 482     return OPJ_TRUE;
 483 }
 484
 485 #if 0
 486 static void jp2_write_url(opj_cio_t *cio, char *Idx_file) {
 487         OPJ_UINT32 i;
 488         opj_jp2_box_t box;
 489
 490         box.init_pos = cio_tell(cio);
 491         cio_skip(cio, 4);
 492         cio_write(cio, JP2_URL, 4);     /* DBTL */
 493         cio_write(cio, 0, 1);           /* VERS */
 494         cio_write(cio, 0, 3);           /* FLAG */
 495
 496         if(Idx_file) {
 497                 for (i = 0; i < strlen(Idx_file); i++) {
 498                         cio_write(cio, Idx_file[i], 1);
 499                 }
 500         }
 501
 502         box.length = cio_tell(cio) - box.init_pos;
 503         cio_seek(cio, box.init_pos);
 504         cio_write(cio, box.length, 4);  /* L */
 505         cio_seek(cio, box.init_pos + box.length);
 506 }
 507 #endif
 508
 509 OPJ_BOOL opj_jp2_read_ihdr( opj_jp2_t *jp2,
 510                             OPJ_BYTE *p_image_header_data,
 511                             OPJ_UINT32 p_image_header_size,
 512                             opj_event_mgr_t * p_manager )
 513 {
 514         /* preconditions */
 515         assert(p_image_header_data != 00);
 516         assert(jp2 != 00);
 517         assert(p_manager != 00);
 518
 519         if (p_image_header_size != 14) {
 520                 opj_event_msg(p_manager, EVT_ERROR, "Bad image header box (bad size)\n");
 521                 return OPJ_FALSE;
 522         }
 523
 524         opj_read_bytes(p_image_header_data,&(jp2->h),4);                        /* HEIGHT */
 525         p_image_header_data += 4;
 526         opj_read_bytes(p_image_header_data,&(jp2->w),4);                        /* WIDTH */
 527         p_image_header_data += 4;
 528         opj_read_bytes(p_image_header_data,&(jp2->numcomps),2);         /* NC */
 529         p_image_header_data += 2;
 530
 531         /* allocate memory for components */
 532         jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t));
 533         if (jp2->comps == 0) {
 534                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle image header (ihdr)\n");
 535                 return OPJ_FALSE;
 536         }
 537         memset(jp2->comps,0,jp2->numcomps * sizeof(opj_jp2_comps_t));
 538
 539         opj_read_bytes(p_image_header_data,&(jp2->bpc),1);                      /* BPC */
 540         ++ p_image_header_data;
 541
 542         opj_read_bytes(p_image_header_data,&(jp2->C),1);                        /* C */
 543         ++ p_image_header_data;
 544
 545         /* Should be equal to 7 cf. chapter about image header box of the norm */
 546         if (jp2->C != 7){
 547                 opj_event_msg(p_manager, EVT_INFO, "JP2 IHDR box: compression type indicate that the file is not a conforming JP2 file (%d) \n", jp2->C);
 548         }
 549
 550         opj_read_bytes(p_image_header_data,&(jp2->UnkC),1);                     /* UnkC */
 551         ++ p_image_header_data;
 552         opj_read_bytes(p_image_header_data,&(jp2->IPR),1);                      /* IPR */
 553         ++ p_image_header_data;
 554
 555         return OPJ_TRUE;
 556 }
 557
 558 OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2,
 559                               OPJ_UINT32 * p_nb_bytes_written
 560                               )
 561 {
 562         OPJ_BYTE * l_ihdr_data,* l_current_ihdr_ptr;
 563
 564         /* preconditions */
 565         assert(jp2 != 00);
 566         assert(p_nb_bytes_written != 00);
 567
 568         /* default image header is 22 bytes wide */
 569         l_ihdr_data = (OPJ_BYTE *) opj_malloc(22);
 570         if (l_ihdr_data == 00) {
 571                 return 00;
 572         }
 573         memset(l_ihdr_data,0,22);
 574
 575         l_current_ihdr_ptr = l_ihdr_data;
 576
 577         opj_write_bytes(l_current_ihdr_ptr,22,4);                               /* write box size */
 578         l_current_ihdr_ptr+=4;
 579
 580         opj_write_bytes(l_current_ihdr_ptr,JP2_IHDR, 4);                /* IHDR */
 581         l_current_ihdr_ptr+=4;
 582
 583         opj_write_bytes(l_current_ihdr_ptr,jp2->h, 4);          /* HEIGHT */
 584         l_current_ihdr_ptr+=4;
 585
 586         opj_write_bytes(l_current_ihdr_ptr, jp2->w, 4);         /* WIDTH */
 587         l_current_ihdr_ptr+=4;
 588
 589         opj_write_bytes(l_current_ihdr_ptr, jp2->numcomps, 2);          /* NC */
 590         l_current_ihdr_ptr+=2;
 591
 592         opj_write_bytes(l_current_ihdr_ptr, jp2->bpc, 1);               /* BPC */
 593         ++l_current_ihdr_ptr;
 594
 595         opj_write_bytes(l_current_ihdr_ptr, jp2->C, 1);         /* C : Always 7 */
 596         ++l_current_ihdr_ptr;
 597
 598         opj_write_bytes(l_current_ihdr_ptr, jp2->UnkC, 1);              /* UnkC, colorspace unknown */
 599         ++l_current_ihdr_ptr;
 600
 601         opj_write_bytes(l_current_ihdr_ptr, jp2->IPR, 1);               /* IPR, no intellectual property */
 602         ++l_current_ihdr_ptr;
 603
 604         *p_nb_bytes_written = 22;
 605
 606         return l_ihdr_data;
 607 }
 608
 609 OPJ_BYTE * opj_jp2_write_bpcc(  opj_jp2_t *jp2,
 610                                                         OPJ_UINT32 * p_nb_bytes_written
 611                                 )
 612 {
 613         OPJ_UINT32 i;
 614         /* room for 8 bytes for box and 1 byte for each component */
 615         OPJ_INT32 l_bpcc_size = 8 + jp2->numcomps;
 616         OPJ_BYTE * l_bpcc_data,* l_current_bpcc_ptr;
 617
 618         /* preconditions */
 619         assert(jp2 != 00);
 620         assert(p_nb_bytes_written != 00);
 621
 622         l_bpcc_data = (OPJ_BYTE *) opj_malloc(l_bpcc_size);
 623         if (l_bpcc_data == 00) {
 624                 return 00;
 625         }
 626         memset(l_bpcc_data,0,l_bpcc_size);
 627
 628         l_current_bpcc_ptr = l_bpcc_data;
 629
 630         opj_write_bytes(l_current_bpcc_ptr,l_bpcc_size,4);                              /* write box size */
 631         l_current_bpcc_ptr += 4;
 632
 633         opj_write_bytes(l_current_bpcc_ptr,JP2_BPCC,4);                                 /* BPCC */
 634         l_current_bpcc_ptr += 4;
 635
 636         for (i = 0; i < jp2->numcomps; ++i)  {
 637                 opj_write_bytes(l_current_bpcc_ptr, jp2->comps[i].bpcc, 1); /* write each component information */
 638                 ++l_current_bpcc_ptr;
 639         }
 640
 641         *p_nb_bytes_written = l_bpcc_size;
 642
 643         return l_bpcc_data;
 644 }
 645
 646 OPJ_BOOL opj_jp2_read_bpcc( opj_jp2_t *jp2,
 647                             OPJ_BYTE * p_bpc_header_data,
 648                             OPJ_UINT32 p_bpc_header_size,
 649                             opj_event_mgr_t * p_manager
 650                             )
 651 {
 652         OPJ_UINT32 i;
 653
 654         /* preconditions */
 655         assert(p_bpc_header_data != 00);
 656         assert(jp2 != 00);
 657         assert(p_manager != 00);
 658
 659
 660         if (jp2->bpc != 255 ){
 661                 opj_event_msg(p_manager, EVT_WARNING, "A BPCC header box is available although BPC given by the IHDR box (%d) indicate components bit depth is constant\n",jp2->bpc);
 662         }
 663
 664         /* and length is relevant */
 665         if (p_bpc_header_size != jp2->numcomps) {
 666                 opj_event_msg(p_manager, EVT_ERROR, "Bad BPCC header box (bad size)\n");
 667                 return OPJ_FALSE;
 668         }
 669
 670         /* read info for each component */
 671         for (i = 0; i < jp2->numcomps; ++i) {
 672                 opj_read_bytes(p_bpc_header_data,&jp2->comps[i].bpcc ,1);       /* read each BPCC component */
 673                 ++p_bpc_header_data;
 674         }
 675
 676         return OPJ_TRUE;
 677 }
 678
 679 OPJ_BYTE * opj_jp2_write_colr(  opj_jp2_t *jp2,
 680                                                             OPJ_UINT32 * p_nb_bytes_written
 681                                 )
 682 {
 683         /* room for 8 bytes for box 3 for common data and variable upon profile*/
 684         OPJ_UINT32 l_colr_size = 11;
 685         OPJ_BYTE * l_colr_data,* l_current_colr_ptr;
 686
 687         /* preconditions */
 688         assert(jp2 != 00);
 689         assert(p_nb_bytes_written != 00);
 690     assert(jp2->meth == 1 || jp2->meth == 2);
 691
 692         switch (jp2->meth) {
 693                 case 1 :
 694                         l_colr_size += 4; /* EnumCS */
 695                         break;
 696                 case 2 :
 697             assert(jp2->color.icc_profile_len); /* ICC profile */
 698             l_colr_size += jp2->color.icc_profile_len;
 699                         break;
 700                 default :
 701                         return 00;
 702         }
 703
 704         l_colr_data = (OPJ_BYTE *) opj_malloc(l_colr_size);
 705         if (l_colr_data == 00) {
 706                 return 00;
 707         }
 708         memset(l_colr_data,0,l_colr_size);
 709
 710         l_current_colr_ptr = l_colr_data;
 711
 712         opj_write_bytes(l_current_colr_ptr,l_colr_size,4);                              /* write box size */
 713         l_current_colr_ptr += 4;
 714
 715         opj_write_bytes(l_current_colr_ptr,JP2_COLR,4);                                 /* BPCC */
 716         l_current_colr_ptr += 4;
 717
 718         opj_write_bytes(l_current_colr_ptr, jp2->meth,1);                               /* METH */
 719         ++l_current_colr_ptr;
 720
 721         opj_write_bytes(l_current_colr_ptr, jp2->precedence,1);                 /* PRECEDENCE */
 722         ++l_current_colr_ptr;
 723
 724         opj_write_bytes(l_current_colr_ptr, jp2->approx,1);                             /* APPROX */
 725         ++l_current_colr_ptr;
 726
 727         if (jp2->meth == 1) { /* Meth value is restricted to 1 or 2 (Table I.9 of part 1) */
 728         opj_write_bytes(l_current_colr_ptr, jp2->enumcs,4); }       /* EnumCS */
 729     else {
 730         if (jp2->meth == 2) {                                      /* ICC profile */
 731             OPJ_UINT32 i;
 732             for(i = 0; i < jp2->color.icc_profile_len; ++i) {
 733                 opj_write_bytes(l_current_colr_ptr, jp2->color.icc_profile_buf[i], 1);
 734                 ++l_current_colr_ptr;
 735             }
 736         }
 737         }
 738
 739         *p_nb_bytes_written = l_colr_size;
 740
 741         return l_colr_data;
 742 }
 743
 744 void opj_jp2_free_pclr(opj_jp2_color_t *color)
 745 {
 746     opj_free(color->jp2_pclr->channel_sign);
 747     opj_free(color->jp2_pclr->channel_size);
 748     opj_free(color->jp2_pclr->entries);
 749
 750         if(color->jp2_pclr->cmap) opj_free(color->jp2_pclr->cmap);
 751
 752     opj_free(color->jp2_pclr); color->jp2_pclr = NULL;
 753 }
 754
 755 static OPJ_BOOL opj_jp2_check_color(opj_image_t *image, opj_jp2_color_t *color, opj_event_mgr_t *p_manager)
 756 {
 757         OPJ_UINT16 i;
 758
 759         /* testcase 4149.pdf.SIGSEGV.cf7.3501 */
 760         if (color->jp2_cdef) {
 761                 opj_jp2_cdef_info_t *info = color->jp2_cdef->info;
 762                 OPJ_UINT16 n = color->jp2_cdef->n;
 763
 764                 for (i = 0; i < n; i++) {
 765                         if (info[i].cn >= image->numcomps) {
 766                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].cn, image->numcomps);
 767                                 return OPJ_FALSE;
 768                         }
 769                         if (info[i].asoc > 0 && (OPJ_UINT32)(info[i].asoc - 1) >= image->numcomps) {
 770                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].asoc - 1, image->numcomps);
 771                                 return OPJ_FALSE;
 772                         }
 773                 }
 774         }
 775
 776         /* testcases 451.pdf.SIGSEGV.f4c.3723, 451.pdf.SIGSEGV.5b5.3723 and
 777            66ea31acbb0f23a2bbc91f64d69a03f5_signal_sigsegv_13937c0_7030_5725.pdf */
 778         if (color->jp2_pclr && color->jp2_pclr->cmap) {
 779                 OPJ_UINT16 nr_channels = color->jp2_pclr->nr_channels;
 780                 opj_jp2_cmap_comp_t *cmap = color->jp2_pclr->cmap;
 781                 OPJ_BOOL *pcol_usage, is_sane = OPJ_TRUE;
 782
 783                 /* verify that all original components match an existing one */
 784                 for (i = 0; i < nr_channels; i++) {
 785                         if (cmap[i].cmp >= image->numcomps) {
 786                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", cmap[i].cmp, image->numcomps);
 787                                 is_sane = OPJ_FALSE;
 788                         }
 789                 }
 790
 791                 pcol_usage = opj_calloc(nr_channels, sizeof(OPJ_BOOL));
 792                 if (!pcol_usage) {
 793                         opj_event_msg(p_manager, EVT_ERROR, "Unexpected OOM.\n");
 794                         return OPJ_FALSE;
 795                 }
 796                 /* verify that no component is targeted more than once */
 797                 for (i = 0; i < nr_channels; i++) {
 798                         OPJ_UINT16 pcol = cmap[i].pcol;
 799                         if (pcol >= nr_channels) {
 800                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component/palette index for direct mapping %d.\n", pcol);
 801                                 is_sane = OPJ_FALSE;
 802                         }
 803                         else if (pcol_usage[pcol]) {
 804                                 opj_event_msg(p_manager, EVT_ERROR, "Component %d is mapped twice.\n", pcol);
 805                                 is_sane = OPJ_FALSE;
 806                         }
 807                         else
 808                                 pcol_usage[pcol] = OPJ_TRUE;
 809                 }
 810                 /* verify that all components are targeted at least once */
 811                 for (i = 0; i < nr_channels; i++) {
 812                         if (!pcol_usage[i]) {
 813                                 opj_event_msg(p_manager, EVT_ERROR, "Component %d doesn't have a mapping.\n", i);
 814                                 is_sane = OPJ_FALSE;
 815                         }
 816                 }
 817                 opj_free(pcol_usage);
 818                 if (!is_sane) {
 819                         return OPJ_FALSE;
 820                 }
 821         }
 822
 823         return OPJ_TRUE;
 824 }
 825
 826 void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color)
 827 {
 828         opj_image_comp_t *old_comps, *new_comps;
 829         OPJ_BYTE *channel_size, *channel_sign;
 830         OPJ_UINT32 *entries;
 831         opj_jp2_cmap_comp_t *cmap;
 832         OPJ_INT32 *src, *dst;
 833         OPJ_UINT32 j, max;
 834         OPJ_UINT16 i, nr_channels, cmp, pcol;
 835         OPJ_INT32 k, top_k;
 836
 837         channel_size = color->jp2_pclr->channel_size;
 838         channel_sign = color->jp2_pclr->channel_sign;
 839         entries = color->jp2_pclr->entries;
 840         cmap = color->jp2_pclr->cmap;
 841         nr_channels = color->jp2_pclr->nr_channels;
 842
 843         old_comps = image->comps;
 844         new_comps = (opj_image_comp_t*)
 845                         opj_malloc(nr_channels * sizeof(opj_image_comp_t));
 846
 847         for(i = 0; i < nr_channels; ++i) {
 848                 pcol = cmap[i].pcol; cmp = cmap[i].cmp;
 849
 850                 new_comps[pcol] = old_comps[cmp];
 851
 852                 /* Direct use */
 853                 if(cmap[i].mtyp == 0){
 854                         old_comps[cmp].data = NULL; continue;
 855                 }
 856
 857                 /* Palette mapping: */
 858                 new_comps[pcol].data = (OPJ_INT32*)
 859                                 opj_malloc(old_comps[cmp].w * old_comps[cmp].h * sizeof(OPJ_INT32));
 860                 new_comps[pcol].prec = channel_size[i];
 861                 new_comps[pcol].sgnd = channel_sign[i];
 862         }
 863
 864         top_k = color->jp2_pclr->nr_entries - 1;
 865
 866         for(i = 0; i < nr_channels; ++i) {
 867                 /* Direct use: */
 868                 if(cmap[i].mtyp == 0) continue;
 869
 870                 /* Palette mapping: */
 871                 cmp = cmap[i].cmp; pcol = cmap[i].pcol;
 872                 src = old_comps[cmp].data;
 873                 dst = new_comps[pcol].data;
 874                 max = new_comps[pcol].w * new_comps[pcol].h;
 875
 876                 for(j = 0; j < max; ++j)
 877                 {
 878                         /* The index */
 879                         if((k = src[j]) < 0) k = 0; else if(k > top_k) k = top_k;
 880
 881                         /* The colour */
 882                         dst[j] = entries[k * nr_channels + pcol];
 883                 }
 884         }
 885
 886         max = image->numcomps;
 887         for(i = 0; i < max; ++i) {
 888                 if(old_comps[i].data) opj_free(old_comps[i].data);
 889         }
 890
 891         opj_free(old_comps);
 892         image->comps = new_comps;
 893         image->numcomps = nr_channels;
 894
 895         opj_jp2_free_pclr(color);
 896
 897 }/* apply_pclr() */
 898
 899 OPJ_BOOL opj_jp2_read_pclr(     opj_jp2_t *jp2,
 900                             OPJ_BYTE * p_pclr_header_data,
 901                             OPJ_UINT32 p_pclr_header_size,
 902                             opj_event_mgr_t * p_manager
 903                             )
 904 {
 905         opj_jp2_pclr_t *jp2_pclr;
 906         OPJ_BYTE *channel_size, *channel_sign;
 907         OPJ_UINT32 *entries;
 908         OPJ_UINT16 nr_entries,nr_channels;
 909         OPJ_UINT16 i, j;
 910         OPJ_UINT32 l_value;
 911         OPJ_BYTE *orig_header_data = p_pclr_header_data;
 912
 913         /* preconditions */
 914         assert(p_pclr_header_data != 00);
 915         assert(jp2 != 00);
 916         assert(p_manager != 00);
 917     (void)p_pclr_header_size;
 918
 919         if(jp2->color.jp2_pclr)
 920                 return OPJ_FALSE;
 921
 922         if (p_pclr_header_size < 3)
 923                 return OPJ_FALSE;
 924
 925         opj_read_bytes(p_pclr_header_data, &l_value , 2);       /* NE */
 926         p_pclr_header_data += 2;
 927         nr_entries = (OPJ_UINT16) l_value;
 928
 929         opj_read_bytes(p_pclr_header_data, &l_value , 1);       /* NPC */
 930         ++p_pclr_header_data;
 931         nr_channels = (OPJ_UINT16) l_value;
 932
 933         if (p_pclr_header_size < 3 + (OPJ_UINT32)nr_channels || nr_channels == 0 || nr_entries >= (OPJ_UINT32)-1 / nr_channels)
 934                 return OPJ_FALSE;
 935
 936         entries = (OPJ_UINT32*) opj_malloc(nr_channels * nr_entries * sizeof(OPJ_UINT32));
 937     if (!entries)
 938         return OPJ_FALSE;
 939         channel_size = (OPJ_BYTE*) opj_malloc(nr_channels);
 940     if (!channel_size)
 941     {
 942         opj_free(entries);
 943         return OPJ_FALSE;
 944     }
 945         channel_sign = (OPJ_BYTE*) opj_malloc(nr_channels);
 946         if (!channel_sign)
 947         {
 948         opj_free(entries);
 949         opj_free(channel_size);
 950         return OPJ_FALSE;
 951         }
 952
 953         jp2_pclr = (opj_jp2_pclr_t*)opj_malloc(sizeof(opj_jp2_pclr_t));
 954     if (!jp2_pclr)
 955     {
 956         opj_free(entries);
 957         opj_free(channel_size);
 958         opj_free(channel_sign);
 959         return OPJ_FALSE;
 960     }
 961
 962         jp2_pclr->channel_sign = channel_sign;
 963         jp2_pclr->channel_size = channel_size;
 964         jp2_pclr->entries = entries;
 965         jp2_pclr->nr_entries = nr_entries;
 966         jp2_pclr->nr_channels = (OPJ_BYTE) l_value;
 967         jp2_pclr->cmap = NULL;
 968
 969         jp2->color.jp2_pclr = jp2_pclr;
 970
 971         for(i = 0; i < nr_channels; ++i) {
 972                 opj_read_bytes(p_pclr_header_data, &l_value , 1);       /* Bi */
 973                 ++p_pclr_header_data;
 974
 975                 channel_size[i] = (l_value & 0x7f) + 1;
 976                 channel_sign[i] = (l_value & 0x80)? 1 : 0;
 977         }
 978
 979         for(j = 0; j < nr_entries; ++j) {
 980                 for(i = 0; i < nr_channels; ++i) {
 981                         OPJ_INT32 bytes_to_read = (channel_size[i]+7)>>3;
 982
 983                         if (bytes_to_read > sizeof(OPJ_UINT32))
 984                                 bytes_to_read = sizeof(OPJ_UINT32);
 985                         if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + bytes_to_read)
 986                                 return OPJ_FALSE;
 987
 988                         if (bytes_to_read > sizeof(OPJ_UINT32))
 989                                 bytes_to_read = sizeof(OPJ_UINT32);
 990                         if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + bytes_to_read)
 991                                 return OPJ_FALSE;
 992
 993                         opj_read_bytes(p_pclr_header_data, &l_value , bytes_to_read);   /* Cji */
 994                         p_pclr_header_data += bytes_to_read;
 995                         *entries = (OPJ_UINT32) l_value;
 996                         entries++;
 997                 }
 998         }
 999
1000         return OPJ_TRUE;
1001 }
1002
1003 OPJ_BOOL opj_jp2_read_cmap(     opj_jp2_t * jp2,
1004                             OPJ_BYTE * p_cmap_header_data,
1005                             OPJ_UINT32 p_cmap_header_size,
1006                             opj_event_mgr_t * p_manager
1007                             )
1008 {
1009         opj_jp2_cmap_comp_t *cmap;
1010         OPJ_BYTE i, nr_channels;
1011         OPJ_UINT32 l_value;
1012
1013         /* preconditions */
1014         assert(jp2 != 00);
1015         assert(p_cmap_header_data != 00);
1016         assert(p_manager != 00);
1017     (void)p_cmap_header_size;
1018
1019         /* Need nr_channels: */
1020         if(jp2->color.jp2_pclr == NULL) {
1021                 opj_event_msg(p_manager, EVT_ERROR, "Need to read a PCLR box before the CMAP box.\n");
1022                 return OPJ_FALSE;
1023         }
1024
1025         /* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box
1026          * inside a JP2 Header box' :
1027         */
1028         if(jp2->color.jp2_pclr->cmap) {
1029                 opj_event_msg(p_manager, EVT_ERROR, "Only one CMAP box is allowed.\n");
1030                 return OPJ_FALSE;
1031         }
1032
1033         nr_channels = jp2->color.jp2_pclr->nr_channels;
1034         if (p_cmap_header_size < (OPJ_UINT32)nr_channels * 4) {
1035                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CMAP box.\n");
1036                 return OPJ_FALSE;
1037         }
1038
1039         if (p_cmap_header_size < (OPJ_UINT32)nr_channels * 4) {
1040                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CMAP box.\n");
1041                 return OPJ_FALSE;
1042         }
1043
1044         cmap = (opj_jp2_cmap_comp_t*) opj_malloc(nr_channels * sizeof(opj_jp2_cmap_comp_t));
1045     if (!cmap)
1046         return OPJ_FALSE;
1047
1048
1049         for(i = 0; i < nr_channels; ++i) {
1050                 opj_read_bytes(p_cmap_header_data, &l_value, 2);                        /* CMP^i */
1051                 p_cmap_header_data +=2;
1052                 cmap[i].cmp = (OPJ_UINT16) l_value;
1053
1054                 opj_read_bytes(p_cmap_header_data, &l_value, 1);                        /* MTYP^i */
1055                 ++p_cmap_header_data;
1056                 cmap[i].mtyp = (OPJ_BYTE) l_value;
1057
1058                 opj_read_bytes(p_cmap_header_data, &l_value, 1);                        /* PCOL^i */
1059                 ++p_cmap_header_data;
1060                 cmap[i].pcol = (OPJ_BYTE) l_value;
1061         }
1062
1063         jp2->color.jp2_pclr->cmap = cmap;
1064
1065         return OPJ_TRUE;
1066 }
1067
1068 void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color)
1069 {
1070         opj_jp2_cdef_info_t *info;
1071         OPJ_UINT16 i, n, cn, asoc, acn;
1072
1073         info = color->jp2_cdef->info;
1074         n = color->jp2_cdef->n;
1075
1076         for(i = 0; i < n; ++i)
1077         {
1078                 /* WATCH: acn = asoc - 1 ! */
1079                 if((asoc = info[i].asoc) == 0)
1080                 {
1081                     if (i < image->numcomps)
1082                         image->comps[i].alpha = info[i].typ;
1083                     continue;
1084                 }
1085
1086                 cn = info[i].cn;
1087         acn = asoc - 1;
1088
1089                 if(cn != acn)
1090                 {
1091                         opj_image_comp_t saved;
1092
1093                         memcpy(&saved, &image->comps[cn], sizeof(opj_image_comp_t));
1094                         memcpy(&image->comps[cn], &image->comps[acn], sizeof(opj_image_comp_t));
1095                         memcpy(&image->comps[acn], &saved, sizeof(opj_image_comp_t));
1096
1097                         info[i].asoc = cn + 1;
1098                         info[acn].asoc = info[acn].cn + 1;
1099                 }
1100
1101                 image->comps[cn].alpha = info[i].typ;
1102         }
1103
1104         if(color->jp2_cdef->info) opj_free(color->jp2_cdef->info);
1105
1106         opj_free(color->jp2_cdef); color->jp2_cdef = NULL;
1107
1108 }/* jp2_apply_cdef() */
1109
1110 OPJ_BOOL opj_jp2_read_cdef(     opj_jp2_t * jp2,
1111                             OPJ_BYTE * p_cdef_header_data,
1112                                                         OPJ_UINT32 p_cdef_header_size,
1113                                                         opj_event_mgr_t * p_manager
1114                             )
1115 {
1116         opj_jp2_cdef_info_t *cdef_info;
1117         OPJ_UINT16 i;
1118         OPJ_UINT32 l_value;
1119
1120         /* preconditions */
1121         assert(jp2 != 00);
1122         assert(p_cdef_header_data != 00);
1123         assert(p_manager != 00);
1124     (void)p_cdef_header_size;
1125
1126         /* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box
1127          * inside a JP2 Header box.'*/
1128         if(jp2->color.jp2_cdef) return OPJ_FALSE;
1129
1130         if (p_cdef_header_size < 2) {
1131                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1132                 return OPJ_FALSE;
1133         }
1134
1135         if (p_cdef_header_size < 2) {
1136                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1137                 return OPJ_FALSE;
1138         }
1139
1140         opj_read_bytes(p_cdef_header_data,&l_value ,2);                 /* N */
1141         p_cdef_header_data+= 2;
1142
1143         if ( (OPJ_UINT16)l_value == 0){ /* szukw000: FIXME */
1144                 opj_event_msg(p_manager, EVT_ERROR, "Number of channel description is equal to zero in CDEF box.\n");
1145                 return OPJ_FALSE;
1146         }
1147
1148         if (p_cdef_header_size < 2 + (OPJ_UINT32)(OPJ_UINT16)l_value * 6) {
1149                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1150                 return OPJ_FALSE;
1151         }
1152
1153         if (p_cdef_header_size < 2 + (OPJ_UINT32)(OPJ_UINT16)l_value * 6) {
1154                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1155                 return OPJ_FALSE;
1156         }
1157
1158         cdef_info = (opj_jp2_cdef_info_t*) opj_malloc(l_value * sizeof(opj_jp2_cdef_info_t));
1159     if (!cdef_info)
1160         return OPJ_FALSE;
1161
1162         jp2->color.jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t));
1163     if(!jp2->color.jp2_cdef)
1164     {
1165         opj_free(cdef_info);
1166         return OPJ_FALSE;
1167     }
1168         jp2->color.jp2_cdef->info = cdef_info;
1169         jp2->color.jp2_cdef->n = (OPJ_UINT16) l_value;
1170
1171         for(i = 0; i < jp2->color.jp2_cdef->n; ++i) {
1172                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Cn^i */
1173                 p_cdef_header_data +=2;
1174                 cdef_info[i].cn = (OPJ_UINT16) l_value;
1175
1176                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Typ^i */
1177                 p_cdef_header_data +=2;
1178                 cdef_info[i].typ = (OPJ_UINT16) l_value;
1179
1180                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Asoc^i */
1181                 p_cdef_header_data +=2;
1182                 cdef_info[i].asoc = (OPJ_UINT16) l_value;
1183    }
1184
1185         return OPJ_TRUE;
1186 }
1187
1188 OPJ_BOOL opj_jp2_read_colr( opj_jp2_t *jp2,
1189                             OPJ_BYTE * p_colr_header_data,
1190                             OPJ_UINT32 p_colr_header_size,
1191                             opj_event_mgr_t * p_manager
1192                             )
1193 {
1194         OPJ_UINT32 l_value;
1195
1196         /* preconditions */
1197         assert(jp2 != 00);
1198         assert(p_colr_header_data != 00);
1199         assert(p_manager != 00);
1200
1201         if (p_colr_header_size < 3) {
1202                 opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size)\n");
1203                 return OPJ_FALSE;
1204         }
1205
1206         /* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour
1207          * Specification boxes after the first.'
1208         */
1209         if(jp2->color.jp2_has_colr) {
1210                 opj_event_msg(p_manager, EVT_INFO, "A conforming JP2 reader shall ignore all Colour Specification boxes after the first, so we ignore this one.\n");
1211                 p_colr_header_data += p_colr_header_size;
1212                 return OPJ_TRUE;
1213         }
1214
1215         opj_read_bytes(p_colr_header_data,&jp2->meth ,1);                       /* METH */
1216         ++p_colr_header_data;
1217
1218         opj_read_bytes(p_colr_header_data,&jp2->precedence ,1);         /* PRECEDENCE */
1219         ++p_colr_header_data;
1220
1221         opj_read_bytes(p_colr_header_data,&jp2->approx ,1);                     /* APPROX */
1222         ++p_colr_header_data;
1223
1224         if (jp2->meth == 1) {
1225                 if (p_colr_header_size < 7) {
1226                         opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size: %d)\n", p_colr_header_size);
1227                         return OPJ_FALSE;
1228                 }
1229                 if (p_colr_header_size > 7) {
1230                         /* testcase Altona_Technical_v20_x4.pdf */
1231                         opj_event_msg(p_manager, EVT_WARNING, "Bad COLR header box (bad size: %d)\n", p_colr_header_size);
1232                 }
1233
1234                 opj_read_bytes(p_colr_header_data,&jp2->enumcs ,4);                     /* EnumCS */
1235
1236         jp2->color.jp2_has_colr = 1;
1237         }
1238         else if (jp2->meth == 2) {
1239                 /* ICC profile */
1240                 OPJ_INT32 it_icc_value = 0;
1241                 OPJ_INT32 icc_len = p_colr_header_size - 3;
1242
1243                 jp2->color.icc_profile_len = icc_len;
1244                 jp2->color.icc_profile_buf = (OPJ_BYTE*) opj_malloc(icc_len);
1245         if (!jp2->color.icc_profile_buf)
1246         {
1247             jp2->color.icc_profile_len = 0;
1248             return OPJ_FALSE;
1249         }
1250                 memset(jp2->color.icc_profile_buf, 0, icc_len * sizeof(OPJ_BYTE));
1251
1252                 for (it_icc_value = 0; it_icc_value < icc_len; ++it_icc_value)
1253                 {
1254                         opj_read_bytes(p_colr_header_data,&l_value,1);          /* icc values */
1255                         ++p_colr_header_data;
1256                         jp2->color.icc_profile_buf[it_icc_value] = (OPJ_BYTE) l_value;
1257                 }
1258
1259         jp2->color.jp2_has_colr = 1;
1260         }
1261         else if (jp2->meth > 2)
1262     {
1263         /*      ISO/IEC 15444-1:2004 (E), Table I.9 � Legal METH values:
1264         conforming JP2 reader shall ignore the entire Colour Specification box.*/
1265         opj_event_msg(p_manager, EVT_INFO, "COLR BOX meth value is not a regular value (%d), "
1266             "so we will ignore the entire Colour Specification box. \n", jp2->meth);
1267     }
1268     return OPJ_TRUE;
1269 }
1270
1271 OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2,
1272                         opj_stream_private_t *p_stream,
1273                         opj_image_t* p_image,
1274                         opj_event_mgr_t * p_manager)
1275 {
1276         if (!p_image)
1277                 return OPJ_FALSE;
1278
1279         /* J2K decoding */
1280         if( ! opj_j2k_decode(jp2->j2k, p_stream, p_image, p_manager) ) {
1281                 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
1282                 return OPJ_FALSE;
1283         }
1284
1285     if (!jp2->ignore_pclr_cmap_cdef){
1286             if (!opj_jp2_check_color(p_image, &(jp2->color), p_manager)) {
1287                     return OPJ_FALSE;
1288             }
1289
1290             /* Set Image Color Space */
1291             if (jp2->enumcs == 16)
1292                     p_image->color_space = OPJ_CLRSPC_SRGB;
1293             else if (jp2->enumcs == 17)
1294                     p_image->color_space = OPJ_CLRSPC_GRAY;
1295             else if (jp2->enumcs == 18)
1296                     p_image->color_space = OPJ_CLRSPC_SYCC;
1297             else if (jp2->enumcs == 24)
1298                     p_image->color_space = OPJ_CLRSPC_EYCC;
1299             else
1300                     p_image->color_space = OPJ_CLRSPC_UNKNOWN;
1301
1302             /* Apply the color space if needed */
1303             if(jp2->color.jp2_cdef) {
1304                     opj_jp2_apply_cdef(p_image, &(jp2->color));
1305             }
1306
1307             if(jp2->color.jp2_pclr) {
1308                     /* Part 1, I.5.3.4: Either both or none : */
1309                     if( !jp2->color.jp2_pclr->cmap)
1310                             opj_jp2_free_pclr(&(jp2->color));
1311                     else
1312                             opj_jp2_apply_pclr(p_image, &(jp2->color));
1313             }
1314
1315             if(jp2->color.icc_profile_buf) {
1316                     p_image->icc_profile_buf = jp2->color.icc_profile_buf;
1317                     p_image->icc_profile_len = jp2->color.icc_profile_len;
1318                     jp2->color.icc_profile_buf = NULL;
1319             }
1320     }
1321
1322         return OPJ_TRUE;
1323 }
1324
1325 OPJ_BOOL opj_jp2_write_jp2h(opj_jp2_t *jp2,
1326                             opj_stream_private_t *stream,
1327                             opj_event_mgr_t * p_manager
1328                             )
1329 {
1330         opj_jp2_img_header_writer_handler_t l_writers [3];
1331         opj_jp2_img_header_writer_handler_t * l_current_writer;
1332
1333         OPJ_INT32 i, l_nb_pass;
1334         /* size of data for super box*/
1335         OPJ_INT32 l_jp2h_size = 8;
1336         OPJ_BOOL l_result = OPJ_TRUE;
1337
1338         /* to store the data of the super box */
1339         OPJ_BYTE l_jp2h_data [8];
1340
1341         /* preconditions */
1342         assert(stream != 00);
1343         assert(jp2 != 00);
1344         assert(p_manager != 00);
1345
1346         memset(l_writers,0,sizeof(l_writers));
1347
1348         if (jp2->bpc == 255) {
1349                 l_nb_pass = 3;
1350                 l_writers[0].handler = opj_jp2_write_ihdr;
1351                 l_writers[1].handler = opj_jp2_write_bpcc;
1352                 l_writers[2].handler = opj_jp2_write_colr;
1353         }
1354         else {
1355                 l_nb_pass = 2;
1356                 l_writers[0].handler = opj_jp2_write_ihdr;
1357                 l_writers[1].handler = opj_jp2_write_colr;
1358         }
1359
1360         /* write box header */
1361         /* write JP2H type */
1362         opj_write_bytes(l_jp2h_data+4,JP2_JP2H,4);
1363
1364         l_current_writer = l_writers;
1365         for (i=0;i<l_nb_pass;++i) {
1366                 l_current_writer->m_data = l_current_writer->handler(jp2,&(l_current_writer->m_size));
1367                 if (l_current_writer->m_data == 00) {
1368                         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to hold JP2 Header data\n");
1369                         l_result = OPJ_FALSE;
1370                         break;
1371                 }
1372
1373                 l_jp2h_size += l_current_writer->m_size;
1374                 ++l_current_writer;
1375         }
1376
1377         if (! l_result) {
1378                 l_current_writer = l_writers;
1379                 for (i=0;i<l_nb_pass;++i) {
1380                         if (l_current_writer->m_data != 00) {
1381                                 opj_free(l_current_writer->m_data );
1382                         }
1383                         ++l_current_writer;
1384                 }
1385
1386                 return OPJ_FALSE;
1387         }
1388
1389         /* write super box size */
1390         opj_write_bytes(l_jp2h_data,l_jp2h_size,4);
1391
1392         /* write super box data on stream */
1393         if (opj_stream_write_data(stream,l_jp2h_data,8,p_manager) != 8) {
1394                 opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
1395                 l_result = OPJ_FALSE;
1396         }
1397
1398         if (l_result) {
1399                 l_current_writer = l_writers;
1400                 for (i=0;i<l_nb_pass;++i) {
1401                         if (opj_stream_write_data(stream,l_current_writer->m_data,l_current_writer->m_size,p_manager) != l_current_writer->m_size) {
1402                                 opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
1403                                 l_result = OPJ_FALSE;
1404                                 break;
1405                         }
1406                         ++l_current_writer;
1407                 }
1408         }
1409
1410         l_current_writer = l_writers;
1411
1412         /* cleanup */
1413         for (i=0;i<l_nb_pass;++i) {
1414                 if (l_current_writer->m_data != 00) {
1415                         opj_free(l_current_writer->m_data );
1416                 }
1417                 ++l_current_writer;
1418         }
1419
1420         return l_result;
1421 }
1422
1423 OPJ_BOOL opj_jp2_write_ftyp(opj_jp2_t *jp2,
1424                                                         opj_stream_private_t *cio,
1425                                                         opj_event_mgr_t * p_manager )
1426 {
1427         OPJ_UINT32 i;
1428         OPJ_UINT32 l_ftyp_size = 16 + 4 * jp2->numcl;
1429         OPJ_BYTE * l_ftyp_data, * l_current_data_ptr;
1430         OPJ_BOOL l_result;
1431
1432         /* preconditions */
1433         assert(cio != 00);
1434         assert(jp2 != 00);
1435         assert(p_manager != 00);
1436
1437         l_ftyp_data = (OPJ_BYTE *) opj_malloc(l_ftyp_size);
1438
1439         if (l_ftyp_data == 00) {
1440                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle ftyp data\n");
1441                 return OPJ_FALSE;
1442         }
1443
1444         memset(l_ftyp_data,0,l_ftyp_size);
1445
1446         l_current_data_ptr = l_ftyp_data;
1447
1448         opj_write_bytes(l_current_data_ptr, l_ftyp_size,4); /* box size */
1449         l_current_data_ptr += 4;
1450
1451         opj_write_bytes(l_current_data_ptr, JP2_FTYP,4); /* FTYP */
1452         l_current_data_ptr += 4;
1453
1454         opj_write_bytes(l_current_data_ptr, jp2->brand,4); /* BR */
1455         l_current_data_ptr += 4;
1456
1457         opj_write_bytes(l_current_data_ptr, jp2->minversion,4); /* MinV */
1458         l_current_data_ptr += 4;
1459
1460         for (i = 0; i < jp2->numcl; i++)  {
1461                 opj_write_bytes(l_current_data_ptr, jp2->cl[i],4);      /* CL */
1462         }
1463
1464         l_result = (opj_stream_write_data(cio,l_ftyp_data,l_ftyp_size,p_manager) == l_ftyp_size);
1465         if (! l_result)
1466         {
1467                 opj_event_msg(p_manager, EVT_ERROR, "Error while writing ftyp data to stream\n");
1468         }
1469
1470         opj_free(l_ftyp_data);
1471
1472         return l_result;
1473 }
1474
1475 OPJ_BOOL opj_jp2_write_jp2c(opj_jp2_t *jp2,
1476                                                         opj_stream_private_t *cio,
1477                                                         opj_event_mgr_t * p_manager )
1478 {
1479         OPJ_OFF_T j2k_codestream_exit;
1480         OPJ_BYTE l_data_header [8];
1481
1482         /* preconditions */
1483         assert(jp2 != 00);
1484         assert(cio != 00);
1485         assert(p_manager != 00);
1486         assert(opj_stream_has_seek(cio));
1487
1488         j2k_codestream_exit = opj_stream_tell(cio);
1489         opj_write_bytes(l_data_header,
1490                     (OPJ_UINT32) (j2k_codestream_exit - jp2->j2k_codestream_offset),
1491                     4); /* size of codestream */
1492         opj_write_bytes(l_data_header + 4,JP2_JP2C,4);                                                                     /* JP2C */
1493
1494         if (! opj_stream_seek(cio,jp2->j2k_codestream_offset,p_manager)) {
1495                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1496                 return OPJ_FALSE;
1497         }
1498
1499         if (opj_stream_write_data(cio,l_data_header,8,p_manager) != 8) {
1500                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1501                 return OPJ_FALSE;
1502         }
1503
1504         if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
1505                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1506                 return OPJ_FALSE;
1507         }
1508
1509         return OPJ_TRUE;
1510 }
1511
1512 OPJ_BOOL opj_jp2_write_jp(      opj_jp2_t *jp2,
1513                                             opj_stream_private_t *cio,
1514                                                 opj_event_mgr_t * p_manager )
1515 {
1516         /* 12 bytes will be read */
1517         OPJ_BYTE l_signature_data [12];
1518
1519         /* preconditions */
1520         assert(cio != 00);
1521         assert(jp2 != 00);
1522         assert(p_manager != 00);
1523
1524         /* write box length */
1525         opj_write_bytes(l_signature_data,12,4);
1526         /* writes box type */
1527         opj_write_bytes(l_signature_data+4,JP2_JP,4);
1528         /* writes magic number*/
1529         opj_write_bytes(l_signature_data+8,0x0d0a870a,4);
1530
1531         if (opj_stream_write_data(cio,l_signature_data,12,p_manager) != 12) {
1532                 return OPJ_FALSE;
1533         }
1534
1535         return OPJ_TRUE;
1536 }
1537
1538 /* ----------------------------------------------------------------------- */
1539 /* JP2 decoder interface                                             */
1540 /* ----------------------------------------------------------------------- */
1541
1542 void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters)
1543 {
1544         /* setup the J2K codec */
1545         opj_j2k_setup_decoder(jp2->j2k, parameters);
1546
1547         /* further JP2 initializations go here */
1548         jp2->color.jp2_has_colr = 0;
1549     jp2->ignore_pclr_cmap_cdef = parameters->flags & OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG;
1550 }
1551
1552 /* ----------------------------------------------------------------------- */
1553 /* JP2 encoder interface                                             */
1554 /* ----------------------------------------------------------------------- */
1555
1556 void opj_jp2_setup_encoder(     opj_jp2_t *jp2,
1557                             opj_cparameters_t *parameters,
1558                             opj_image_t *image,
1559                             opj_event_mgr_t * p_manager)
1560 {
1561     OPJ_UINT32 i;
1562         OPJ_INT32 depth_0, sign;
1563
1564         if(!jp2 || !parameters || !image)
1565                 return;
1566
1567         /* setup the J2K codec */
1568         /* ------------------- */
1569
1570         /* Check if number of components respects standard */
1571         if (image->numcomps < 1 || image->numcomps > 16384) {
1572                 opj_event_msg(p_manager, EVT_ERROR, "Invalid number of components specified while setting up JP2 encoder\n");
1573                 return;
1574         }
1575
1576         opj_j2k_setup_encoder(jp2->j2k, parameters, image, p_manager );
1577
1578         /* setup the JP2 codec */
1579         /* ------------------- */
1580
1581         /* Profile box */
1582
1583         jp2->brand = JP2_JP2;   /* BR */
1584         jp2->minversion = 0;    /* MinV */
1585         jp2->numcl = 1;
1586         jp2->cl = (OPJ_UINT32*) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32));
1587     if (!jp2->cl){
1588         jp2->cl = NULL;
1589         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n");
1590         return;
1591     }
1592         jp2->cl[0] = JP2_JP2;   /* CL0 : JP2 */
1593
1594         /* Image Header box */
1595
1596         jp2->numcomps = image->numcomps;        /* NC */
1597         jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t));
1598     if (!jp2->comps) {
1599         jp2->comps = NULL;
1600         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n");
1601         return;
1602     }
1603
1604         jp2->h = image->y1 - image->y0;         /* HEIGHT */
1605         jp2->w = image->x1 - image->x0;         /* WIDTH */
1606         /* BPC */
1607         depth_0 = image->comps[0].prec - 1;
1608         sign = image->comps[0].sgnd;
1609         jp2->bpc = depth_0 + (sign << 7);
1610         for (i = 1; i < image->numcomps; i++) {
1611                 OPJ_INT32 depth = image->comps[i].prec - 1;
1612                 sign = image->comps[i].sgnd;
1613                 if (depth_0 != depth)
1614                         jp2->bpc = 255;
1615         }
1616         jp2->C = 7;                     /* C : Always 7 */
1617         jp2->UnkC = 0;          /* UnkC, colorspace specified in colr box */
1618         jp2->IPR = 0;           /* IPR, no intellectual property */
1619
1620         /* BitsPerComponent box */
1621         for (i = 0; i < image->numcomps; i++) {
1622                 jp2->comps[i].bpcc = image->comps[i].prec - 1 + (image->comps[i].sgnd << 7);
1623         }
1624
1625         /* Colour Specification box */
1626     if(image->icc_profile_len) {
1627         jp2->meth = 2;
1628         jp2->enumcs = 0;
1629     }
1630     else {
1631         jp2->meth = 1;
1632         if (image->color_space == 1)
1633             jp2->enumcs = 16;   /* sRGB as defined by IEC 61966-2-1 */
1634         else if (image->color_space == 2)
1635             jp2->enumcs = 17;   /* greyscale */
1636         else if (image->color_space == 3)
1637             jp2->enumcs = 18;   /* YUV */
1638     }
1639
1640
1641         jp2->precedence = 0;    /* PRECEDENCE */
1642         jp2->approx = 0;                /* APPROX */
1643
1644         jp2->jpip_on = parameters->jpip_on;
1645 }
1646
1647 OPJ_BOOL opj_jp2_encode(opj_jp2_t *jp2,
1648                                                 opj_stream_private_t *stream,
1649                                                 opj_event_mgr_t * p_manager)
1650 {
1651         return opj_j2k_encode(jp2->j2k, stream, p_manager);
1652 }
1653
1654 OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2,
1655                                 opj_stream_private_t *cio,
1656                                 opj_event_mgr_t * p_manager
1657                                 )
1658 {
1659         /* preconditions */
1660         assert(jp2 != 00);
1661         assert(cio != 00);
1662         assert(p_manager != 00);
1663
1664         /* customization of the end encoding */
1665         opj_jp2_setup_end_header_reading(jp2);
1666
1667         /* write header */
1668         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,cio,p_manager)) {
1669                 return OPJ_FALSE;
1670         }
1671
1672         return opj_j2k_end_decompress(jp2->j2k, cio, p_manager);
1673 }
1674
1675 OPJ_BOOL opj_jp2_end_compress(  opj_jp2_t *jp2,
1676                                                             opj_stream_private_t *cio,
1677                                                             opj_event_mgr_t * p_manager
1678                                 )
1679 {
1680         /* preconditions */
1681         assert(jp2 != 00);
1682         assert(cio != 00);
1683         assert(p_manager != 00);
1684
1685         /* customization of the end encoding */
1686         opj_jp2_setup_end_header_writing(jp2);
1687
1688         if (! opj_j2k_end_compress(jp2->j2k,cio,p_manager)) {
1689                 return OPJ_FALSE;
1690         }
1691
1692         /* write header */
1693         return opj_jp2_exec(jp2,jp2->m_procedure_list,cio,p_manager);
1694 }
1695
1696 void opj_jp2_setup_end_header_writing (opj_jp2_t *jp2)
1697 {
1698         /* preconditions */
1699         assert(jp2 != 00);
1700
1701 #ifdef USE_JPIP
1702   if( jp2->jpip_on )
1703     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_iptr );
1704 #endif
1705         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2c );
1706         /* DEVELOPER CORNER, add your custom procedures */
1707 #ifdef USE_JPIP
1708   if( jp2->jpip_on )
1709     {
1710     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_cidx );
1711     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_fidx );
1712     }
1713 #endif
1714 }
1715
1716 void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2)
1717 {
1718         /* preconditions */
1719         assert(jp2 != 00);
1720         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
1721         /* DEVELOPER CORNER, add your custom procedures */
1722 }
1723
1724 OPJ_BOOL opj_jp2_default_validation (   opj_jp2_t * jp2,
1725                                         opj_stream_private_t *cio,
1726                                         opj_event_mgr_t * p_manager
1727                                         )
1728 {
1729         OPJ_BOOL l_is_valid = OPJ_TRUE;
1730         OPJ_UINT32 i;
1731
1732         /* preconditions */
1733         assert(jp2 != 00);
1734         assert(cio != 00);
1735         assert(p_manager != 00);
1736
1737         /* JPEG2000 codec validation */
1738
1739         /* STATE checking */
1740         /* make sure the state is at 0 */
1741         l_is_valid &= (jp2->jp2_state == JP2_STATE_NONE);
1742
1743         /* make sure not reading a jp2h ???? WEIRD */
1744         l_is_valid &= (jp2->jp2_img_state == JP2_IMG_STATE_NONE);
1745
1746         /* POINTER validation */
1747         /* make sure a j2k codec is present */
1748         l_is_valid &= (jp2->j2k != 00);
1749
1750         /* make sure a procedure list is present */
1751         l_is_valid &= (jp2->m_procedure_list != 00);
1752
1753         /* make sure a validation list is present */
1754         l_is_valid &= (jp2->m_validation_list != 00);
1755
1756         /* PARAMETER VALIDATION */
1757         /* number of components */
1758         l_is_valid &= (jp2->numcl > 0);
1759         /* width */
1760         l_is_valid &= (jp2->h > 0);
1761         /* height */
1762         l_is_valid &= (jp2->w > 0);
1763         /* precision */
1764         for (i = 0; i < jp2->numcomps; ++i)     {
1765                 l_is_valid &= (jp2->comps[i].bpcc > 0);
1766         }
1767
1768         /* METH */
1769         l_is_valid &= ((jp2->meth > 0) && (jp2->meth < 3));
1770
1771         /* stream validation */
1772         /* back and forth is needed */
1773         l_is_valid &= opj_stream_has_seek(cio);
1774
1775         return l_is_valid;
1776 }
1777
1778 OPJ_BOOL opj_jp2_read_header_procedure(  opj_jp2_t *jp2,
1779                                                 opj_stream_private_t *stream,
1780                                                 opj_event_mgr_t * p_manager
1781                                                 )
1782 {
1783         opj_jp2_box_t box;
1784         OPJ_UINT32 l_nb_bytes_read;
1785         const opj_jp2_header_handler_t * l_current_handler;
1786         OPJ_UINT32 l_last_data_size = OPJ_BOX_SIZE;
1787         OPJ_UINT32 l_current_data_size;
1788         OPJ_BYTE * l_current_data = 00;
1789
1790         /* preconditions */
1791         assert(stream != 00);
1792         assert(jp2 != 00);
1793         assert(p_manager != 00);
1794
1795         l_current_data = (OPJ_BYTE*)opj_malloc(l_last_data_size);
1796
1797         if (l_current_data == 00) {
1798                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 file header\n");
1799                 return OPJ_FALSE;
1800         }
1801         memset(l_current_data, 0 , l_last_data_size);
1802
1803         while (opj_jp2_read_boxhdr(&box,&l_nb_bytes_read,stream,p_manager)) {
1804                 /* is it the codestream box ? */
1805                 if (box.type == JP2_JP2C) {
1806                         if (jp2->jp2_state & JP2_STATE_HEADER) {
1807                                 jp2->jp2_state |= JP2_STATE_CODESTREAM;
1808                                 opj_free(l_current_data);
1809                                 return OPJ_TRUE;
1810                         }
1811                         else {
1812                                 opj_event_msg(p_manager, EVT_ERROR, "bad placed jpeg codestream\n");
1813                                 opj_free(l_current_data);
1814                                 return OPJ_FALSE;
1815                         }
1816                 }
1817                 else if (box.length == 0) {
1818                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
1819                         opj_free(l_current_data);
1820                         return OPJ_FALSE;
1821                 }
1822                 /* testcase 1851.pdf.SIGSEGV.ce9.948 */
1823                 else if (box.length < l_nb_bytes_read) {
1824                         opj_event_msg(p_manager, EVT_ERROR, "invalid box size %d (%x)\n", box.length, box.type);
1825                         opj_free(l_current_data);
1826                         return OPJ_FALSE;
1827                 }
1828
1829                 l_current_handler = opj_jp2_find_handler(box.type);
1830                 l_current_data_size = box.length - l_nb_bytes_read;
1831
1832                 if (l_current_handler != 00) {
1833                         if (l_current_data_size > l_last_data_size) {
1834                                 OPJ_BYTE* new_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_data_size);
1835                                 if (!new_current_data) {
1836                                         opj_free(l_current_data);
1837                     opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 box\n");
1838                                         return OPJ_FALSE;
1839                                 }
1840                 l_current_data = new_current_data;
1841                                 l_last_data_size = l_current_data_size;
1842                         }
1843
1844                         l_nb_bytes_read = opj_stream_read_data(stream,l_current_data,l_current_data_size,p_manager);
1845                         if (l_nb_bytes_read != l_current_data_size) {
1846                                 opj_event_msg(p_manager, EVT_ERROR, "Problem with reading JPEG2000 box, stream error\n");
1847                 opj_free(l_current_data);
1848                                 return OPJ_FALSE;
1849                         }
1850
1851                         if (! l_current_handler->handler(jp2,l_current_data,l_current_data_size,p_manager)) {
1852                                 opj_free(l_current_data);
1853                                 return OPJ_FALSE;
1854                         }
1855                 }
1856                 else {
1857                         jp2->jp2_state |= JP2_STATE_UNKNOWN;
1858                         if (opj_stream_skip(stream,l_current_data_size,p_manager) != l_current_data_size) {
1859                                 opj_event_msg(p_manager, EVT_ERROR, "Problem with skipping JPEG2000 box, stream error\n");
1860                                 opj_free(l_current_data);
1861                                 return OPJ_FALSE;
1862                         }
1863                 }
1864         }
1865
1866         opj_free(l_current_data);
1867
1868         return OPJ_TRUE;
1869 }
1870
1871 /**
1872  * Excutes the given procedures on the given codec.
1873  *
1874  * @param       p_procedure_list        the list of procedures to execute
1875  * @param       jp2                                     the jpeg2000 file codec to execute the procedures on.
1876  * @param       stream                                  the stream to execute the procedures on.
1877  * @param       p_manager                       the user manager.
1878  *
1879  * @return      true                            if all the procedures were successfully executed.
1880  */
1881 static OPJ_BOOL opj_jp2_exec (  opj_jp2_t * jp2,
1882                                 opj_procedure_list_t * p_procedure_list,
1883                                 opj_stream_private_t *stream,
1884                                 opj_event_mgr_t * p_manager
1885                                 )
1886
1887 {
1888         OPJ_BOOL (** l_procedure) (opj_jp2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *) = 00;
1889         OPJ_BOOL l_result = OPJ_TRUE;
1890         OPJ_UINT32 l_nb_proc, i;
1891
1892         /* preconditions */
1893         assert(p_procedure_list != 00);
1894         assert(jp2 != 00);
1895         assert(stream != 00);
1896         assert(p_manager != 00);
1897
1898         l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
1899         l_procedure = (OPJ_BOOL (**) (opj_jp2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
1900
1901         for     (i=0;i<l_nb_proc;++i) {
1902                 l_result = l_result && (*l_procedure) (jp2,stream,p_manager);
1903                 ++l_procedure;
1904         }
1905
1906         /* and clear the procedure list at the end. */
1907         opj_procedure_list_clear(p_procedure_list);
1908         return l_result;
1909 }
1910
1911 OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2,
1912                                 opj_stream_private_t *stream,
1913                                 opj_image_t * p_image,
1914                                 opj_event_mgr_t * p_manager
1915                                 )
1916 {
1917         /* preconditions */
1918         assert(jp2 != 00);
1919         assert(stream != 00);
1920         assert(p_manager != 00);
1921
1922         /* customization of the validation */
1923         opj_jp2_setup_encoding_validation (jp2);
1924
1925         /* validation of the parameters codec */
1926         if (! opj_jp2_exec(jp2,jp2->m_validation_list,stream,p_manager)) {
1927                 return OPJ_FALSE;
1928         }
1929
1930         /* customization of the encoding */
1931         opj_jp2_setup_header_writing(jp2);
1932
1933         /* write header */
1934         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,stream,p_manager)) {
1935                 return OPJ_FALSE;
1936         }
1937
1938         return opj_j2k_start_compress(jp2->j2k,stream,p_image,p_manager);
1939 }
1940
1941 const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id)
1942 {
1943         OPJ_UINT32 i, l_handler_size = sizeof(jp2_header) / sizeof(opj_jp2_header_handler_t);
1944
1945         for (i=0;i<l_handler_size;++i) {
1946                 if (jp2_header[i].id == p_id) {
1947                         return &jp2_header[i];
1948                 }
1949         }
1950         return NULL;
1951 }
1952
1953 /**
1954  * Finds the image execution function related to the given box id.
1955  *
1956  * @param       p_id    the id of the handler to fetch.
1957  *
1958  * @return      the given handler or 00 if it could not be found.
1959  */
1960 static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id)
1961 {
1962         OPJ_UINT32 i, l_handler_size = sizeof(jp2_img_header) / sizeof(opj_jp2_header_handler_t);
1963         for (i=0;i<l_handler_size;++i)
1964         {
1965                 if (jp2_img_header[i].id == p_id) {
1966                         return &jp2_img_header[i];
1967                 }
1968         }
1969
1970         return NULL;
1971 }
1972
1973 /**
1974  * Reads a jpeg2000 file signature box.
1975  *
1976  * @param       p_header_data   the data contained in the signature box.
1977  * @param       jp2                             the jpeg2000 file codec.
1978  * @param       p_header_size   the size of the data contained in the signature box.
1979  * @param       p_manager               the user event manager.
1980  *
1981  * @return true if the file signature box is valid.
1982  */
1983 static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2,
1984                                 OPJ_BYTE * p_header_data,
1985                                 OPJ_UINT32 p_header_size,
1986                                 opj_event_mgr_t * p_manager
1987                                 )
1988
1989 {
1990         OPJ_UINT32 l_magic_number;
1991
1992         /* preconditions */
1993         assert(p_header_data != 00);
1994         assert(jp2 != 00);
1995         assert(p_manager != 00);
1996
1997         if (jp2->jp2_state != JP2_STATE_NONE) {
1998                 opj_event_msg(p_manager, EVT_ERROR, "The signature box must be the first box in the file.\n");
1999                 return OPJ_FALSE;
2000         }
2001
2002         /* assure length of data is correct (4 -> magic number) */
2003         if (p_header_size != 4) {
2004                 opj_event_msg(p_manager, EVT_ERROR, "Error with JP signature Box size\n");
2005                 return OPJ_FALSE;
2006         }
2007
2008         /* rearrange data */
2009         opj_read_bytes(p_header_data,&l_magic_number,4);
2010         if (l_magic_number != 0x0d0a870a ) {
2011                 opj_event_msg(p_manager, EVT_ERROR, "Error with JP Signature : bad magic number\n");
2012                 return OPJ_FALSE;
2013         }
2014
2015         jp2->jp2_state |= JP2_STATE_SIGNATURE;
2016
2017         return OPJ_TRUE;
2018 }
2019
2020 /**
2021  * Reads a a FTYP box - File type box
2022  *
2023  * @param       p_header_data   the data contained in the FTYP box.
2024  * @param       jp2                             the jpeg2000 file codec.
2025  * @param       p_header_size   the size of the data contained in the FTYP box.
2026  * @param       p_manager               the user event manager.
2027  *
2028  * @return true if the FTYP box is valid.
2029  */
2030 static OPJ_BOOL opj_jp2_read_ftyp(      opj_jp2_t *jp2,
2031                                                                         OPJ_BYTE * p_header_data,
2032                                                                         OPJ_UINT32 p_header_size,
2033                                                                         opj_event_mgr_t * p_manager
2034                                     )
2035 {
2036         OPJ_UINT32 i, l_remaining_bytes;
2037
2038         /* preconditions */
2039         assert(p_header_data != 00);
2040         assert(jp2 != 00);
2041         assert(p_manager != 00);
2042
2043         if (jp2->jp2_state != JP2_STATE_SIGNATURE) {
2044                 opj_event_msg(p_manager, EVT_ERROR, "The ftyp box must be the second box in the file.\n");
2045                 return OPJ_FALSE;
2046         }
2047
2048         /* assure length of data is correct */
2049         if (p_header_size < 8) {
2050                 opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n");
2051                 return OPJ_FALSE;
2052         }
2053
2054         opj_read_bytes(p_header_data,&jp2->brand,4);            /* BR */
2055         p_header_data += 4;
2056
2057         opj_read_bytes(p_header_data,&jp2->minversion,4);               /* MinV */
2058         p_header_data += 4;
2059
2060         l_remaining_bytes = p_header_size - 8;
2061
2062         /* the number of remaining bytes should be a multiple of 4 */
2063         if ((l_remaining_bytes & 0x3) != 0) {
2064                 opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n");
2065                 return OPJ_FALSE;
2066         }
2067
2068         /* div by 4 */
2069         jp2->numcl = l_remaining_bytes >> 2;
2070         if (jp2->numcl) {
2071                 jp2->cl = (OPJ_UINT32 *) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32));
2072                 if (jp2->cl == 00) {
2073                         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory with FTYP Box\n");
2074                         return OPJ_FALSE;
2075                 }
2076                 memset(jp2->cl,0,jp2->numcl * sizeof(OPJ_UINT32));
2077         }
2078
2079         for (i = 0; i < jp2->numcl; ++i)
2080         {
2081                 opj_read_bytes(p_header_data,&jp2->cl[i],4);            /* CLi */
2082                 p_header_data += 4;
2083         }
2084
2085         jp2->jp2_state |= JP2_STATE_FILE_TYPE;
2086
2087         return OPJ_TRUE;
2088 }
2089
2090 OPJ_BOOL opj_jp2_skip_jp2c(     opj_jp2_t *jp2,
2091                                                 opj_stream_private_t *stream,
2092                                                 opj_event_mgr_t * p_manager )
2093 {
2094         /* preconditions */
2095         assert(jp2 != 00);
2096         assert(stream != 00);
2097         assert(p_manager != 00);
2098
2099         jp2->j2k_codestream_offset = opj_stream_tell(stream);
2100
2101         if (opj_stream_skip(stream,8,p_manager) != 8) {
2102                 return OPJ_FALSE;
2103         }
2104
2105         return OPJ_TRUE;
2106 }
2107
2108 static OPJ_BOOL opj_jpip_skip_iptr(     opj_jp2_t *jp2,
2109   opj_stream_private_t *stream,
2110   opj_event_mgr_t * p_manager )
2111 {
2112   /* preconditions */
2113   assert(jp2 != 00);
2114   assert(stream != 00);
2115   assert(p_manager != 00);
2116
2117   jp2->jpip_iptr_offset = opj_stream_tell(stream);
2118
2119   if (opj_stream_skip(stream,24,p_manager) != 24) {
2120     return OPJ_FALSE;
2121   }
2122
2123   return OPJ_TRUE;
2124 }
2125
2126 /**
2127  * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
2128  *
2129  * @param       p_header_data   the data contained in the file header box.
2130  * @param       jp2                             the jpeg2000 file codec.
2131  * @param       p_header_size   the size of the data contained in the file header box.
2132  * @param       p_manager               the user event manager.
2133  *
2134  * @return true if the JP2 Header box was successfully reconized.
2135 */
2136 static OPJ_BOOL opj_jp2_read_jp2h(  opj_jp2_t *jp2,
2137                                     OPJ_BYTE *p_header_data,
2138                                     OPJ_UINT32 p_header_size,
2139                                     opj_event_mgr_t * p_manager
2140                                     )
2141 {
2142         OPJ_UINT32 l_box_size=0, l_current_data_size = 0;
2143         opj_jp2_box_t box;
2144         const opj_jp2_header_handler_t * l_current_handler;
2145
2146         /* preconditions */
2147         assert(p_header_data != 00);
2148         assert(jp2 != 00);
2149         assert(p_manager != 00);
2150
2151         /* make sure the box is well placed */
2152         if ((jp2->jp2_state & JP2_STATE_FILE_TYPE) != JP2_STATE_FILE_TYPE ) {
2153                 opj_event_msg(p_manager, EVT_ERROR, "The  box must be the first box in the file.\n");
2154                 return OPJ_FALSE;
2155         }
2156
2157         jp2->jp2_img_state = JP2_IMG_STATE_NONE;
2158
2159         /* iterate while remaining data */
2160         while (p_header_size > 0) {
2161
2162                 if (! opj_jp2_read_boxhdr_char(&box,p_header_data,&l_box_size,p_header_size, p_manager)) {
2163                         opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box\n");
2164                         return OPJ_FALSE;
2165                 }
2166
2167                 if (box.length > p_header_size) {
2168                         opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box: box length is inconsistent.\n");
2169                         return OPJ_FALSE;
2170                 }
2171
2172                 l_current_handler = opj_jp2_img_find_handler(box.type);
2173                 l_current_data_size = box.length - l_box_size;
2174                 p_header_data += l_box_size;
2175
2176                 if (l_current_handler != 00) {
2177                         if (! l_current_handler->handler(jp2,p_header_data,l_current_data_size,p_manager)) {
2178                                 return OPJ_FALSE;
2179                         }
2180                 }
2181                 else {
2182                         jp2->jp2_img_state |= JP2_IMG_STATE_UNKNOWN;
2183                 }
2184
2185                 p_header_data += l_current_data_size;
2186                 p_header_size -= box.length;
2187         }
2188
2189         jp2->jp2_state |= JP2_STATE_HEADER;
2190
2191         return OPJ_TRUE;
2192 }
2193
2194 OPJ_BOOL opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
2195                                      OPJ_BYTE * p_data,
2196                                      OPJ_UINT32 * p_number_bytes_read,
2197                                      OPJ_UINT32 p_box_max_size,
2198                                      opj_event_mgr_t * p_manager
2199                                      )
2200 {
2201         OPJ_UINT32 l_value;
2202
2203         /* preconditions */
2204         assert(p_data != 00);
2205         assert(box != 00);
2206         assert(p_number_bytes_read != 00);
2207         assert(p_manager != 00);
2208
2209         if (p_box_max_size < 8) {
2210                 opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of less than 8 bytes\n");
2211                 return OPJ_FALSE;
2212         }
2213
2214         /* process read data */
2215         opj_read_bytes(p_data, &l_value, 4);
2216         p_data += 4;
2217         box->length = (OPJ_INT32)(l_value);
2218
2219         opj_read_bytes(p_data, &l_value, 4);
2220         p_data += 4;
2221         box->type = (OPJ_INT32)(l_value);
2222
2223         *p_number_bytes_read = 8;
2224
2225         /* do we have a "special very large box ?" */
2226         /* read then the XLBox */
2227         if (box->length == 1) {
2228                 OPJ_UINT32 l_xl_part_size;
2229
2230                 if (p_box_max_size < 16) {
2231                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle XL box of less than 16 bytes\n");
2232                         return OPJ_FALSE;
2233                 }
2234
2235                 opj_read_bytes(p_data,&l_xl_part_size, 4);
2236                 p_data += 4;
2237                 *p_number_bytes_read += 4;
2238
2239                 if (l_xl_part_size != 0) {
2240                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
2241                         return OPJ_FALSE;
2242                 }
2243
2244                 opj_read_bytes(p_data, &l_value, 4);
2245                 *p_number_bytes_read += 4;
2246                 box->length = (OPJ_INT32)(l_value);
2247
2248                 if (box->length == 0) {
2249                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
2250                         return OPJ_FALSE;
2251                 }
2252         }
2253         else if (box->length == 0) {
2254                 opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
2255                 return OPJ_FALSE;
2256         }
2257
2258         return OPJ_TRUE;
2259 }
2260
2261 OPJ_BOOL opj_jp2_read_header(   opj_stream_private_t *p_stream,
2262                                 opj_jp2_t *jp2,
2263                                 opj_image_t ** p_image,
2264                                 opj_event_mgr_t * p_manager
2265                                 )
2266 {
2267         /* preconditions */
2268         assert(jp2 != 00);
2269         assert(p_stream != 00);
2270         assert(p_manager != 00);
2271
2272         /* customization of the validation */
2273         opj_jp2_setup_decoding_validation (jp2);
2274
2275         /* customization of the encoding */
2276         opj_jp2_setup_header_reading(jp2);
2277
2278         /* validation of the parameters codec */
2279         if (! opj_jp2_exec(jp2,jp2->m_validation_list,p_stream,p_manager)) {
2280                 return OPJ_FALSE;
2281         }
2282
2283         /* read header */
2284         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,p_stream,p_manager)) {
2285                 return OPJ_FALSE;
2286         }
2287
2288         return opj_j2k_read_header(     p_stream,
2289                                                         jp2->j2k,
2290                                                         p_image,
2291                                                         p_manager);
2292 }
2293
2294 void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2)
2295 {
2296         /* preconditions */
2297         assert(jp2 != 00);
2298
2299         opj_procedure_list_add_procedure(jp2->m_validation_list, (opj_procedure)opj_jp2_default_validation);
2300         /* DEVELOPER CORNER, add your custom validation procedure */
2301 }
2302
2303 void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2)
2304 {
2305         /* preconditions */
2306         assert(jp2 != 00);
2307         /* DEVELOPER CORNER, add your custom validation procedure */
2308 }
2309
2310 void opj_jp2_setup_header_writing (opj_jp2_t *jp2)
2311 {
2312         /* preconditions */
2313         assert(jp2 != 00);
2314
2315         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp );
2316         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_ftyp );
2317         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2h );
2318   if( jp2->jpip_on )
2319     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_skip_iptr );
2320         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_skip_jp2c );
2321
2322         /* DEVELOPER CORNER, insert your custom procedures */
2323
2324 }
2325
2326 void opj_jp2_setup_header_reading (opj_jp2_t *jp2)
2327 {
2328         /* preconditions */
2329         assert(jp2 != 00);
2330
2331         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
2332         /* DEVELOPER CORNER, add your custom procedures */
2333 }
2334
2335 OPJ_BOOL opj_jp2_read_tile_header ( opj_jp2_t * p_jp2,
2336                                     OPJ_UINT32 * p_tile_index,
2337                                     OPJ_UINT32 * p_data_size,
2338                                     OPJ_INT32 * p_tile_x0,
2339                                     OPJ_INT32 * p_tile_y0,
2340                                     OPJ_INT32 * p_tile_x1,
2341                                     OPJ_INT32 * p_tile_y1,
2342                                     OPJ_UINT32 * p_nb_comps,
2343                                     OPJ_BOOL * p_go_on,
2344                                     opj_stream_private_t *p_stream,
2345                                     opj_event_mgr_t * p_manager
2346                                     )
2347 {
2348         return opj_j2k_read_tile_header(p_jp2->j2k,
2349                                                                 p_tile_index,
2350                                                                 p_data_size,
2351                                                                 p_tile_x0, p_tile_y0,
2352                                                                 p_tile_x1, p_tile_y1,
2353                                                                 p_nb_comps,
2354                                                                 p_go_on,
2355                                                                 p_stream,
2356                                                                 p_manager);
2357 }
2358
2359 OPJ_BOOL opj_jp2_write_tile (   opj_jp2_t *p_jp2,
2360                                                             OPJ_UINT32 p_tile_index,
2361                                                             OPJ_BYTE * p_data,
2362                                                             OPJ_UINT32 p_data_size,
2363                                                             opj_stream_private_t *p_stream,
2364                                                             opj_event_mgr_t * p_manager
2365                                 )
2366
2367 {
2368         return opj_j2k_write_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
2369 }
2370
2371 OPJ_BOOL opj_jp2_decode_tile (  opj_jp2_t * p_jp2,
2372                                 OPJ_UINT32 p_tile_index,
2373                                 OPJ_BYTE * p_data,
2374                                 OPJ_UINT32 p_data_size,
2375                                 opj_stream_private_t *p_stream,
2376                                 opj_event_mgr_t * p_manager
2377                                 )
2378 {
2379         return opj_j2k_decode_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
2380 }
2381
2382 void opj_jp2_destroy(opj_jp2_t *jp2)
2383 {
2384         if (jp2) {
2385                 /* destroy the J2K codec */
2386                 opj_j2k_destroy(jp2->j2k);
2387                 jp2->j2k = 00;
2388
2389                 if (jp2->comps) {
2390                         opj_free(jp2->comps);
2391                         jp2->comps = 00;
2392                 }
2393
2394                 if (jp2->cl) {
2395                         opj_free(jp2->cl);
2396                         jp2->cl = 00;
2397                 }
2398
2399                 if (jp2->color.icc_profile_buf) {
2400                         opj_free(jp2->color.icc_profile_buf);
2401                         jp2->color.icc_profile_buf = 00;
2402                 }
2403
2404                 if (jp2->color.jp2_cdef) {
2405                         if (jp2->color.jp2_cdef->info) {
2406                                 opj_free(jp2->color.jp2_cdef->info);
2407                                 jp2->color.jp2_cdef->info = NULL;
2408                         }
2409
2410                         opj_free(jp2->color.jp2_cdef);
2411                         jp2->color.jp2_cdef = 00;
2412                 }
2413
2414                 if (jp2->color.jp2_pclr) {
2415                         if (jp2->color.jp2_pclr->cmap) {
2416                                 opj_free(jp2->color.jp2_pclr->cmap);
2417                                 jp2->color.jp2_pclr->cmap = NULL;
2418                         }
2419                         if (jp2->color.jp2_pclr->channel_sign) {
2420                                 opj_free(jp2->color.jp2_pclr->channel_sign);
2421                                 jp2->color.jp2_pclr->channel_sign = NULL;
2422                         }
2423                         if (jp2->color.jp2_pclr->channel_size) {
2424                                 opj_free(jp2->color.jp2_pclr->channel_size);
2425                                 jp2->color.jp2_pclr->channel_size = NULL;
2426                         }
2427                         if (jp2->color.jp2_pclr->entries) {
2428                                 opj_free(jp2->color.jp2_pclr->entries);
2429                                 jp2->color.jp2_pclr->entries = NULL;
2430                         }
2431
2432                         opj_free(jp2->color.jp2_pclr);
2433                         jp2->color.jp2_pclr = 00;
2434                 }
2435
2436                 if (jp2->m_validation_list) {
2437                         opj_procedure_list_destroy(jp2->m_validation_list);
2438                         jp2->m_validation_list = 00;
2439                 }
2440
2441                 if (jp2->m_procedure_list) {
2442                         opj_procedure_list_destroy(jp2->m_procedure_list);
2443                         jp2->m_procedure_list = 00;
2444                 }
2445
2446                 opj_free(jp2);
2447         }
2448 }
2449
2450 OPJ_BOOL opj_jp2_set_decode_area(       opj_jp2_t *p_jp2,
2451                                                                     opj_image_t* p_image,
2452                                                                     OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
2453                                                                     OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
2454                                                                     opj_event_mgr_t * p_manager
2455                                     )
2456 {
2457         return opj_j2k_set_decode_area(p_jp2->j2k, p_image, p_start_x, p_start_y, p_end_x, p_end_y, p_manager);
2458 }
2459
2460 OPJ_BOOL opj_jp2_get_tile(      opj_jp2_t *p_jp2,
2461                             opj_stream_private_t *p_stream,
2462                             opj_image_t* p_image,
2463                             opj_event_mgr_t * p_manager,
2464                             OPJ_UINT32 tile_index
2465                             )
2466 {
2467         if (!p_image)
2468                 return OPJ_FALSE;
2469
2470         opj_event_msg(p_manager, EVT_WARNING, "JP2 box which are after the codestream will not be read by this function.\n");
2471
2472         if (! opj_j2k_get_tile(p_jp2->j2k, p_stream, p_image, p_manager, tile_index) ){
2473                 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
2474                 return OPJ_FALSE;
2475         }
2476
2477         if (!opj_jp2_check_color(p_image, &(p_jp2->color), p_manager)) {
2478                 return OPJ_FALSE;
2479         }
2480
2481         /* Set Image Color Space */
2482         if (p_jp2->enumcs == 16)
2483                 p_image->color_space = OPJ_CLRSPC_SRGB;
2484         else if (p_jp2->enumcs == 17)
2485                 p_image->color_space = OPJ_CLRSPC_GRAY;
2486         else if (p_jp2->enumcs == 18)
2487                 p_image->color_space = OPJ_CLRSPC_SYCC;
2488         else
2489                 p_image->color_space = OPJ_CLRSPC_UNKNOWN;
2490
2491         /* Apply the color space if needed */
2492         if(p_jp2->color.jp2_cdef) {
2493                 opj_jp2_apply_cdef(p_image, &(p_jp2->color));
2494         }
2495
2496         if(p_jp2->color.jp2_pclr) {
2497                 /* Part 1, I.5.3.4: Either both or none : */
2498                 if( !p_jp2->color.jp2_pclr->cmap)
2499                         opj_jp2_free_pclr(&(p_jp2->color));
2500                 else
2501                         opj_jp2_apply_pclr(p_image, &(p_jp2->color));
2502         }
2503
2504         if(p_jp2->color.icc_profile_buf) {
2505                 p_image->icc_profile_buf = p_jp2->color.icc_profile_buf;
2506                 p_image->icc_profile_len = p_jp2->color.icc_profile_len;
2507                 p_jp2->color.icc_profile_buf = NULL;
2508         }
2509
2510         return OPJ_TRUE;
2511 }
2512
2513 /* ----------------------------------------------------------------------- */
2514 /* JP2 encoder interface                                             */
2515 /* ----------------------------------------------------------------------- */
2516
2517 opj_jp2_t* opj_jp2_create(OPJ_BOOL p_is_decoder)
2518 {
2519         opj_jp2_t *jp2 = (opj_jp2_t*)opj_malloc(sizeof(opj_jp2_t));
2520         if (jp2) {
2521                 memset(jp2,0,sizeof(opj_jp2_t));
2522
2523                 /* create the J2K codec */
2524                 if (! p_is_decoder) {
2525                         jp2->j2k = opj_j2k_create_compress();
2526                 }
2527                 else {
2528                         jp2->j2k = opj_j2k_create_decompress();
2529                 }
2530
2531                 if (jp2->j2k == 00) {
2532                         opj_jp2_destroy(jp2);
2533                         return 00;
2534                 }
2535
2536                 /* Color structure */
2537                 jp2->color.icc_profile_buf = NULL;
2538                 jp2->color.icc_profile_len = 0;
2539                 jp2->color.jp2_cdef = NULL;
2540                 jp2->color.jp2_pclr = NULL;
2541                 jp2->color.jp2_has_colr = 0;
2542
2543                 /* validation list creation */
2544                 jp2->m_validation_list = opj_procedure_list_create();
2545                 if (! jp2->m_validation_list) {
2546                         opj_jp2_destroy(jp2);
2547                         return 00;
2548                 }
2549
2550                 /* execution list creation */
2551                 jp2->m_procedure_list = opj_procedure_list_create();
2552                 if (! jp2->m_procedure_list) {
2553                         opj_jp2_destroy(jp2);
2554                         return 00;
2555                 }
2556         }
2557
2558         return jp2;
2559 }
2560
2561 void jp2_dump(opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream)
2562 {
2563         /* preconditions */
2564         assert(p_jp2 != 00);
2565
2566         j2k_dump(p_jp2->j2k,
2567                                         flag,
2568                                         out_stream);
2569 }
2570
2571 opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2)
2572 {
2573         return j2k_get_cstr_index(p_jp2->j2k);
2574 }
2575
2576 opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2)
2577 {
2578         return j2k_get_cstr_info(p_jp2->j2k);
2579 }
2580
2581 OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2,
2582                                                OPJ_UINT32 res_factor,
2583                                                opj_event_mgr_t * p_manager)
2584 {
2585         return opj_j2k_set_decoded_resolution_factor(p_jp2->j2k, res_factor, p_manager);
2586 }
2587
2588 /* JPIP specific */
2589
2590 #ifdef USE_JPIP
2591 static OPJ_BOOL opj_jpip_write_iptr(opj_jp2_t *jp2,
2592   opj_stream_private_t *cio,
2593   opj_event_mgr_t * p_manager )
2594 {
2595   OPJ_OFF_T j2k_codestream_exit;
2596   OPJ_BYTE l_data_header [24];
2597
2598   /* preconditions */
2599   assert(jp2 != 00);
2600   assert(cio != 00);
2601   assert(p_manager != 00);
2602   assert(opj_stream_has_seek(cio));
2603
2604   j2k_codestream_exit = opj_stream_tell(cio);
2605   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2606   opj_write_bytes(l_data_header + 4,JPIP_IPTR,4);                                                                          /* IPTR */
2607 #if 0
2608   opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */
2609   opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */
2610 #else
2611   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2612   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2613 #endif
2614
2615   if (! opj_stream_seek(cio,jp2->jpip_iptr_offset,p_manager)) {
2616     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2617     return OPJ_FALSE;
2618   }
2619
2620   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2621     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2622     return OPJ_FALSE;
2623   }
2624
2625   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2626     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2627     return OPJ_FALSE;
2628   }
2629
2630   return OPJ_TRUE;
2631 }
2632
2633 static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2,
2634   opj_stream_private_t *cio,
2635   opj_event_mgr_t * p_manager )
2636 {
2637   OPJ_OFF_T j2k_codestream_exit;
2638   OPJ_BYTE l_data_header [24];
2639
2640   /* preconditions */
2641   assert(jp2 != 00);
2642   assert(cio != 00);
2643   assert(p_manager != 00);
2644   assert(opj_stream_has_seek(cio));
2645
2646   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2647   opj_write_bytes(l_data_header + 4,JPIP_FIDX,4);                                                                          /* IPTR */
2648   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2649   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2650
2651   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2652     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2653     return OPJ_FALSE;
2654   }
2655
2656   j2k_codestream_exit = opj_stream_tell(cio);
2657   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2658     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2659     return OPJ_FALSE;
2660   }
2661
2662   return OPJ_TRUE;
2663 }
2664
2665 static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2,
2666   opj_stream_private_t *cio,
2667   opj_event_mgr_t * p_manager )
2668 {
2669   OPJ_OFF_T j2k_codestream_exit;
2670   OPJ_BYTE l_data_header [24];
2671
2672   /* preconditions */
2673   assert(jp2 != 00);
2674   assert(cio != 00);
2675   assert(p_manager != 00);
2676   assert(opj_stream_has_seek(cio));
2677
2678   j2k_codestream_exit = opj_stream_tell(cio);
2679   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2680   opj_write_bytes(l_data_header + 4,JPIP_CIDX,4);                                                                          /* IPTR */
2681 #if 0
2682   opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */
2683   opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */
2684 #else
2685   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2686   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2687 #endif
2688
2689   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2690     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2691     return OPJ_FALSE;
2692   }
2693
2694   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2695     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2696     return OPJ_FALSE;
2697   }
2698
2699   j2k_codestream_exit = opj_stream_tell(cio);
2700   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2701     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2702     return OPJ_FALSE;
2703   }
2704
2705   return OPJ_TRUE;
2706 }
2707
2708 static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
2709   opj_event_mgr_t * p_manager )
2710 {
2711   OPJ_BYTE l_data_header [8];
2712   OPJ_OFF_T len, lenp;
2713
2714   lenp = opj_stream_tell(cio);
2715   opj_stream_skip(cio, 4, p_manager);         /* L [at the end] */
2716   opj_write_bytes(l_data_header,JPIP_PRXY,4); /* IPTR           */
2717   opj_stream_write_data(cio,l_data_header,4,p_manager);
2718
2719   opj_write_bytes( l_data_header, offset_jp2c, 8); /* OOFF           */
2720   opj_stream_write_data(cio,l_data_header,8,p_manager);
2721   opj_write_bytes( l_data_header, length_jp2c, 4); /* OBH part 1     */
2722   opj_write_bytes( l_data_header+4, JP2_JP2C, 4);  /* OBH part 2     */
2723   opj_stream_write_data(cio,l_data_header,8,p_manager);
2724
2725   opj_write_bytes( l_data_header, 1, 1);/* NI             */
2726   opj_stream_write_data(cio,l_data_header,1,p_manager);
2727
2728   opj_write_bytes( l_data_header, offset_idx, 8);  /* IOFF           */
2729   opj_stream_write_data(cio,l_data_header,8,p_manager);
2730   opj_write_bytes( l_data_header, length_idx, 4);  /* IBH part 1     */
2731   opj_write_bytes( l_data_header+4, JPIP_CIDX, 4);   /* IBH part 2     */
2732   opj_stream_write_data(cio,l_data_header,8,p_manager);
2733
2734   len = opj_stream_tell(cio)-lenp;
2735   opj_stream_skip(cio, lenp, p_manager);
2736   opj_write_bytes(l_data_header,len,4);/* L              */
2737   opj_stream_write_data(cio,l_data_header,4,p_manager);
2738   opj_stream_seek(cio, lenp+len,p_manager);
2739 }
2740
2741
2742 static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
2743   opj_event_mgr_t * p_manager )
2744 {
2745   OPJ_BYTE l_data_header [4];
2746   OPJ_OFF_T len, lenp;
2747
2748   lenp = opj_stream_tell(cio);
2749   opj_stream_skip(cio, 4, p_manager);
2750   opj_write_bytes(l_data_header,JPIP_FIDX,4); /* FIDX */
2751   opj_stream_write_data(cio,l_data_header,4,p_manager);
2752
2753   write_prxy( offset_jp2c, length_jp2c, offset_idx, length_idx, cio,p_manager);
2754
2755   len = opj_stream_tell(cio)-lenp;
2756   opj_stream_skip(cio, lenp, p_manager);
2757   opj_write_bytes(l_data_header,len,4);/* L              */
2758   opj_stream_write_data(cio,l_data_header,4,p_manager);
2759   opj_stream_seek(cio, lenp+len,p_manager);
2760
2761   return len;
2762 }
2763 #endif /* USE_JPIP */