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                         opj_read_bytes(p_pclr_header_data, &l_value , bytes_to_read);   /* Cji */
 989                         p_pclr_header_data += bytes_to_read;
 990                         *entries = (OPJ_UINT32) l_value;
 991                         entries++;
 992                 }
 993         }
 994
 995         return OPJ_TRUE;
 996 }
 997
 998 OPJ_BOOL opj_jp2_read_cmap(     opj_jp2_t * jp2,
 999                             OPJ_BYTE * p_cmap_header_data,
1000                             OPJ_UINT32 p_cmap_header_size,
1001                             opj_event_mgr_t * p_manager
1002                             )
1003 {
1004         opj_jp2_cmap_comp_t *cmap;
1005         OPJ_BYTE i, nr_channels;
1006         OPJ_UINT32 l_value;
1007
1008         /* preconditions */
1009         assert(jp2 != 00);
1010         assert(p_cmap_header_data != 00);
1011         assert(p_manager != 00);
1012     (void)p_cmap_header_size;
1013
1014         /* Need nr_channels: */
1015         if(jp2->color.jp2_pclr == NULL) {
1016                 opj_event_msg(p_manager, EVT_ERROR, "Need to read a PCLR box before the CMAP box.\n");
1017                 return OPJ_FALSE;
1018         }
1019
1020         /* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box
1021          * inside a JP2 Header box' :
1022         */
1023         if(jp2->color.jp2_pclr->cmap) {
1024                 opj_event_msg(p_manager, EVT_ERROR, "Only one CMAP box is allowed.\n");
1025                 return OPJ_FALSE;
1026         }
1027
1028         nr_channels = jp2->color.jp2_pclr->nr_channels;
1029         if (p_cmap_header_size < (OPJ_UINT32)nr_channels * 4) {
1030                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CMAP box.\n");
1031                 return OPJ_FALSE;
1032         }
1033
1034         cmap = (opj_jp2_cmap_comp_t*) opj_malloc(nr_channels * sizeof(opj_jp2_cmap_comp_t));
1035     if (!cmap)
1036         return OPJ_FALSE;
1037
1038
1039         for(i = 0; i < nr_channels; ++i) {
1040                 opj_read_bytes(p_cmap_header_data, &l_value, 2);                        /* CMP^i */
1041                 p_cmap_header_data +=2;
1042                 cmap[i].cmp = (OPJ_UINT16) l_value;
1043
1044                 opj_read_bytes(p_cmap_header_data, &l_value, 1);                        /* MTYP^i */
1045                 ++p_cmap_header_data;
1046                 cmap[i].mtyp = (OPJ_BYTE) l_value;
1047
1048                 opj_read_bytes(p_cmap_header_data, &l_value, 1);                        /* PCOL^i */
1049                 ++p_cmap_header_data;
1050                 cmap[i].pcol = (OPJ_BYTE) l_value;
1051         }
1052
1053         jp2->color.jp2_pclr->cmap = cmap;
1054
1055         return OPJ_TRUE;
1056 }
1057
1058 void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color)
1059 {
1060         opj_jp2_cdef_info_t *info;
1061         OPJ_UINT16 i, n, cn, asoc, acn;
1062
1063         info = color->jp2_cdef->info;
1064         n = color->jp2_cdef->n;
1065
1066         for(i = 0; i < n; ++i)
1067         {
1068                 /* WATCH: acn = asoc - 1 ! */
1069                 if((asoc = info[i].asoc) == 0)
1070                 {
1071                     if (i < image->numcomps)
1072                         image->comps[i].alpha = info[i].typ;
1073                     continue;
1074                 }
1075
1076                 cn = info[i].cn;
1077         acn = asoc - 1;
1078
1079                 if(cn != acn)
1080                 {
1081                         opj_image_comp_t saved;
1082
1083                         memcpy(&saved, &image->comps[cn], sizeof(opj_image_comp_t));
1084                         memcpy(&image->comps[cn], &image->comps[acn], sizeof(opj_image_comp_t));
1085                         memcpy(&image->comps[acn], &saved, sizeof(opj_image_comp_t));
1086
1087                         info[i].asoc = cn + 1;
1088                         info[acn].asoc = info[acn].cn + 1;
1089                 }
1090
1091                 image->comps[cn].alpha = info[i].typ;
1092         }
1093
1094         if(color->jp2_cdef->info) opj_free(color->jp2_cdef->info);
1095
1096         opj_free(color->jp2_cdef); color->jp2_cdef = NULL;
1097
1098 }/* jp2_apply_cdef() */
1099
1100 OPJ_BOOL opj_jp2_read_cdef(     opj_jp2_t * jp2,
1101                             OPJ_BYTE * p_cdef_header_data,
1102                                                         OPJ_UINT32 p_cdef_header_size,
1103                                                         opj_event_mgr_t * p_manager
1104                             )
1105 {
1106         opj_jp2_cdef_info_t *cdef_info;
1107         OPJ_UINT16 i;
1108         OPJ_UINT32 l_value;
1109
1110         /* preconditions */
1111         assert(jp2 != 00);
1112         assert(p_cdef_header_data != 00);
1113         assert(p_manager != 00);
1114     (void)p_cdef_header_size;
1115
1116         /* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box
1117          * inside a JP2 Header box.'*/
1118         if(jp2->color.jp2_cdef) return OPJ_FALSE;
1119
1120         if (p_cdef_header_size < 2) {
1121                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1122                 return OPJ_FALSE;
1123         }
1124
1125         opj_read_bytes(p_cdef_header_data,&l_value ,2);                 /* N */
1126         p_cdef_header_data+= 2;
1127
1128         if ( (OPJ_UINT16)l_value == 0){ /* szukw000: FIXME */
1129                 opj_event_msg(p_manager, EVT_ERROR, "Number of channel description is equal to zero in CDEF box.\n");
1130                 return OPJ_FALSE;
1131         }
1132
1133         if (p_cdef_header_size < 2 + (OPJ_UINT32)(OPJ_UINT16)l_value * 6) {
1134                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1135                 return OPJ_FALSE;
1136         }
1137
1138         cdef_info = (opj_jp2_cdef_info_t*) opj_malloc(l_value * sizeof(opj_jp2_cdef_info_t));
1139     if (!cdef_info)
1140         return OPJ_FALSE;
1141
1142         jp2->color.jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t));
1143     if(!jp2->color.jp2_cdef)
1144     {
1145         opj_free(cdef_info);
1146         return OPJ_FALSE;
1147     }
1148         jp2->color.jp2_cdef->info = cdef_info;
1149         jp2->color.jp2_cdef->n = (OPJ_UINT16) l_value;
1150
1151         for(i = 0; i < jp2->color.jp2_cdef->n; ++i) {
1152                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Cn^i */
1153                 p_cdef_header_data +=2;
1154                 cdef_info[i].cn = (OPJ_UINT16) l_value;
1155
1156                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Typ^i */
1157                 p_cdef_header_data +=2;
1158                 cdef_info[i].typ = (OPJ_UINT16) l_value;
1159
1160                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Asoc^i */
1161                 p_cdef_header_data +=2;
1162                 cdef_info[i].asoc = (OPJ_UINT16) l_value;
1163    }
1164
1165         return OPJ_TRUE;
1166 }
1167
1168 OPJ_BOOL opj_jp2_read_colr( opj_jp2_t *jp2,
1169                             OPJ_BYTE * p_colr_header_data,
1170                             OPJ_UINT32 p_colr_header_size,
1171                             opj_event_mgr_t * p_manager
1172                             )
1173 {
1174         OPJ_UINT32 l_value;
1175
1176         /* preconditions */
1177         assert(jp2 != 00);
1178         assert(p_colr_header_data != 00);
1179         assert(p_manager != 00);
1180
1181         if (p_colr_header_size < 3) {
1182                 opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size)\n");
1183                 return OPJ_FALSE;
1184         }
1185
1186         /* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour
1187          * Specification boxes after the first.'
1188         */
1189         if(jp2->color.jp2_has_colr) {
1190                 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");
1191                 p_colr_header_data += p_colr_header_size;
1192                 return OPJ_TRUE;
1193         }
1194
1195         opj_read_bytes(p_colr_header_data,&jp2->meth ,1);                       /* METH */
1196         ++p_colr_header_data;
1197
1198         opj_read_bytes(p_colr_header_data,&jp2->precedence ,1);         /* PRECEDENCE */
1199         ++p_colr_header_data;
1200
1201         opj_read_bytes(p_colr_header_data,&jp2->approx ,1);                     /* APPROX */
1202         ++p_colr_header_data;
1203
1204         if (jp2->meth == 1) {
1205                 if (p_colr_header_size != 7) {
1206                         opj_event_msg(p_manager, EVT_ERROR, "Bad BPCC header box (bad size)\n");
1207                         return OPJ_FALSE;
1208                 }
1209
1210                 opj_read_bytes(p_colr_header_data,&jp2->enumcs ,4);                     /* EnumCS */
1211
1212         jp2->color.jp2_has_colr = 1;
1213         }
1214         else if (jp2->meth == 2) {
1215                 /* ICC profile */
1216                 OPJ_INT32 it_icc_value = 0;
1217                 OPJ_INT32 icc_len = p_colr_header_size - 3;
1218
1219                 jp2->color.icc_profile_len = icc_len;
1220                 jp2->color.icc_profile_buf = (OPJ_BYTE*) opj_malloc(icc_len);
1221         if (!jp2->color.icc_profile_buf)
1222         {
1223             jp2->color.icc_profile_len = 0;
1224             return OPJ_FALSE;
1225         }
1226                 memset(jp2->color.icc_profile_buf, 0, icc_len * sizeof(OPJ_BYTE));
1227
1228                 for (it_icc_value = 0; it_icc_value < icc_len; ++it_icc_value)
1229                 {
1230                         opj_read_bytes(p_colr_header_data,&l_value,1);          /* icc values */
1231                         ++p_colr_header_data;
1232                         jp2->color.icc_profile_buf[it_icc_value] = (OPJ_BYTE) l_value;
1233                 }
1234
1235         jp2->color.jp2_has_colr = 1;
1236         }
1237         else if (jp2->meth > 2)
1238     {
1239         /*      ISO/IEC 15444-1:2004 (E), Table I.9 � Legal METH values:
1240         conforming JP2 reader shall ignore the entire Colour Specification box.*/
1241         opj_event_msg(p_manager, EVT_INFO, "COLR BOX meth value is not a regular value (%d), "
1242             "so we will ignore the entire Colour Specification box. \n", jp2->meth);
1243     }
1244     return OPJ_TRUE;
1245 }
1246
1247 OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2,
1248                         opj_stream_private_t *p_stream,
1249                         opj_image_t* p_image,
1250                         opj_event_mgr_t * p_manager)
1251 {
1252         if (!p_image)
1253                 return OPJ_FALSE;
1254
1255         /* J2K decoding */
1256         if( ! opj_j2k_decode(jp2->j2k, p_stream, p_image, p_manager) ) {
1257                 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
1258                 return OPJ_FALSE;
1259         }
1260
1261     if (!jp2->ignore_pclr_cmap_cdef){
1262             if (!opj_jp2_check_color(p_image, &(jp2->color), p_manager)) {
1263                     return OPJ_FALSE;
1264             }
1265
1266             /* Set Image Color Space */
1267             if (jp2->enumcs == 16)
1268                     p_image->color_space = OPJ_CLRSPC_SRGB;
1269             else if (jp2->enumcs == 17)
1270                     p_image->color_space = OPJ_CLRSPC_GRAY;
1271             else if (jp2->enumcs == 18)
1272                     p_image->color_space = OPJ_CLRSPC_SYCC;
1273             else
1274                     p_image->color_space = OPJ_CLRSPC_UNKNOWN;
1275
1276             /* Apply the color space if needed */
1277             if(jp2->color.jp2_cdef) {
1278                     opj_jp2_apply_cdef(p_image, &(jp2->color));
1279             }
1280
1281             if(jp2->color.jp2_pclr) {
1282                     /* Part 1, I.5.3.4: Either both or none : */
1283                     if( !jp2->color.jp2_pclr->cmap)
1284                             opj_jp2_free_pclr(&(jp2->color));
1285                     else
1286                             opj_jp2_apply_pclr(p_image, &(jp2->color));
1287             }
1288
1289             if(jp2->color.icc_profile_buf) {
1290                     p_image->icc_profile_buf = jp2->color.icc_profile_buf;
1291                     p_image->icc_profile_len = jp2->color.icc_profile_len;
1292                     jp2->color.icc_profile_buf = NULL;
1293             }
1294     }
1295
1296         return OPJ_TRUE;
1297 }
1298
1299 OPJ_BOOL opj_jp2_write_jp2h(opj_jp2_t *jp2,
1300                             opj_stream_private_t *stream,
1301                             opj_event_mgr_t * p_manager
1302                             )
1303 {
1304         opj_jp2_img_header_writer_handler_t l_writers [3];
1305         opj_jp2_img_header_writer_handler_t * l_current_writer;
1306
1307         OPJ_INT32 i, l_nb_pass;
1308         /* size of data for super box*/
1309         OPJ_INT32 l_jp2h_size = 8;
1310         OPJ_BOOL l_result = OPJ_TRUE;
1311
1312         /* to store the data of the super box */
1313         OPJ_BYTE l_jp2h_data [8];
1314
1315         /* preconditions */
1316         assert(stream != 00);
1317         assert(jp2 != 00);
1318         assert(p_manager != 00);
1319
1320         memset(l_writers,0,sizeof(l_writers));
1321
1322         if (jp2->bpc == 255) {
1323                 l_nb_pass = 3;
1324                 l_writers[0].handler = opj_jp2_write_ihdr;
1325                 l_writers[1].handler = opj_jp2_write_bpcc;
1326                 l_writers[2].handler = opj_jp2_write_colr;
1327         }
1328         else {
1329                 l_nb_pass = 2;
1330                 l_writers[0].handler = opj_jp2_write_ihdr;
1331                 l_writers[1].handler = opj_jp2_write_colr;
1332         }
1333
1334         /* write box header */
1335         /* write JP2H type */
1336         opj_write_bytes(l_jp2h_data+4,JP2_JP2H,4);
1337
1338         l_current_writer = l_writers;
1339         for (i=0;i<l_nb_pass;++i) {
1340                 l_current_writer->m_data = l_current_writer->handler(jp2,&(l_current_writer->m_size));
1341                 if (l_current_writer->m_data == 00) {
1342                         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to hold JP2 Header data\n");
1343                         l_result = OPJ_FALSE;
1344                         break;
1345                 }
1346
1347                 l_jp2h_size += l_current_writer->m_size;
1348                 ++l_current_writer;
1349         }
1350
1351         if (! l_result) {
1352                 l_current_writer = l_writers;
1353                 for (i=0;i<l_nb_pass;++i) {
1354                         if (l_current_writer->m_data != 00) {
1355                                 opj_free(l_current_writer->m_data );
1356                         }
1357                         ++l_current_writer;
1358                 }
1359
1360                 return OPJ_FALSE;
1361         }
1362
1363         /* write super box size */
1364         opj_write_bytes(l_jp2h_data,l_jp2h_size,4);
1365
1366         /* write super box data on stream */
1367         if (opj_stream_write_data(stream,l_jp2h_data,8,p_manager) != 8) {
1368                 opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
1369                 l_result = OPJ_FALSE;
1370         }
1371
1372         if (l_result) {
1373                 l_current_writer = l_writers;
1374                 for (i=0;i<l_nb_pass;++i) {
1375                         if (opj_stream_write_data(stream,l_current_writer->m_data,l_current_writer->m_size,p_manager) != l_current_writer->m_size) {
1376                                 opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
1377                                 l_result = OPJ_FALSE;
1378                                 break;
1379                         }
1380                         ++l_current_writer;
1381                 }
1382         }
1383
1384         l_current_writer = l_writers;
1385
1386         /* cleanup */
1387         for (i=0;i<l_nb_pass;++i) {
1388                 if (l_current_writer->m_data != 00) {
1389                         opj_free(l_current_writer->m_data );
1390                 }
1391                 ++l_current_writer;
1392         }
1393
1394         return l_result;
1395 }
1396
1397 OPJ_BOOL opj_jp2_write_ftyp(opj_jp2_t *jp2,
1398                                                         opj_stream_private_t *cio,
1399                                                         opj_event_mgr_t * p_manager )
1400 {
1401         OPJ_UINT32 i;
1402         OPJ_UINT32 l_ftyp_size = 16 + 4 * jp2->numcl;
1403         OPJ_BYTE * l_ftyp_data, * l_current_data_ptr;
1404         OPJ_BOOL l_result;
1405
1406         /* preconditions */
1407         assert(cio != 00);
1408         assert(jp2 != 00);
1409         assert(p_manager != 00);
1410
1411         l_ftyp_data = (OPJ_BYTE *) opj_malloc(l_ftyp_size);
1412
1413         if (l_ftyp_data == 00) {
1414                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle ftyp data\n");
1415                 return OPJ_FALSE;
1416         }
1417
1418         memset(l_ftyp_data,0,l_ftyp_size);
1419
1420         l_current_data_ptr = l_ftyp_data;
1421
1422         opj_write_bytes(l_current_data_ptr, l_ftyp_size,4); /* box size */
1423         l_current_data_ptr += 4;
1424
1425         opj_write_bytes(l_current_data_ptr, JP2_FTYP,4); /* FTYP */
1426         l_current_data_ptr += 4;
1427
1428         opj_write_bytes(l_current_data_ptr, jp2->brand,4); /* BR */
1429         l_current_data_ptr += 4;
1430
1431         opj_write_bytes(l_current_data_ptr, jp2->minversion,4); /* MinV */
1432         l_current_data_ptr += 4;
1433
1434         for (i = 0; i < jp2->numcl; i++)  {
1435                 opj_write_bytes(l_current_data_ptr, jp2->cl[i],4);      /* CL */
1436         }
1437
1438         l_result = (opj_stream_write_data(cio,l_ftyp_data,l_ftyp_size,p_manager) == l_ftyp_size);
1439         if (! l_result)
1440         {
1441                 opj_event_msg(p_manager, EVT_ERROR, "Error while writing ftyp data to stream\n");
1442         }
1443
1444         opj_free(l_ftyp_data);
1445
1446         return l_result;
1447 }
1448
1449 OPJ_BOOL opj_jp2_write_jp2c(opj_jp2_t *jp2,
1450                                                         opj_stream_private_t *cio,
1451                                                         opj_event_mgr_t * p_manager )
1452 {
1453         OPJ_OFF_T j2k_codestream_exit;
1454         OPJ_BYTE l_data_header [8];
1455
1456         /* preconditions */
1457         assert(jp2 != 00);
1458         assert(cio != 00);
1459         assert(p_manager != 00);
1460         assert(opj_stream_has_seek(cio));
1461
1462         j2k_codestream_exit = opj_stream_tell(cio);
1463         opj_write_bytes(l_data_header,
1464                     (OPJ_UINT32) (j2k_codestream_exit - jp2->j2k_codestream_offset),
1465                     4); /* size of codestream */
1466         opj_write_bytes(l_data_header + 4,JP2_JP2C,4);                                                                     /* JP2C */
1467
1468         if (! opj_stream_seek(cio,jp2->j2k_codestream_offset,p_manager)) {
1469                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1470                 return OPJ_FALSE;
1471         }
1472
1473         if (opj_stream_write_data(cio,l_data_header,8,p_manager) != 8) {
1474                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1475                 return OPJ_FALSE;
1476         }
1477
1478         if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
1479                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1480                 return OPJ_FALSE;
1481         }
1482
1483         return OPJ_TRUE;
1484 }
1485
1486 OPJ_BOOL opj_jp2_write_jp(      opj_jp2_t *jp2,
1487                                             opj_stream_private_t *cio,
1488                                                 opj_event_mgr_t * p_manager )
1489 {
1490         /* 12 bytes will be read */
1491         OPJ_BYTE l_signature_data [12];
1492
1493         /* preconditions */
1494         assert(cio != 00);
1495         assert(jp2 != 00);
1496         assert(p_manager != 00);
1497
1498         /* write box length */
1499         opj_write_bytes(l_signature_data,12,4);
1500         /* writes box type */
1501         opj_write_bytes(l_signature_data+4,JP2_JP,4);
1502         /* writes magic number*/
1503         opj_write_bytes(l_signature_data+8,0x0d0a870a,4);
1504
1505         if (opj_stream_write_data(cio,l_signature_data,12,p_manager) != 12) {
1506                 return OPJ_FALSE;
1507         }
1508
1509         return OPJ_TRUE;
1510 }
1511
1512 /* ----------------------------------------------------------------------- */
1513 /* JP2 decoder interface                                             */
1514 /* ----------------------------------------------------------------------- */
1515
1516 void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters)
1517 {
1518         /* setup the J2K codec */
1519         opj_j2k_setup_decoder(jp2->j2k, parameters);
1520
1521         /* further JP2 initializations go here */
1522         jp2->color.jp2_has_colr = 0;
1523     jp2->ignore_pclr_cmap_cdef = parameters->flags & OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG;
1524 }
1525
1526 /* ----------------------------------------------------------------------- */
1527 /* JP2 encoder interface                                             */
1528 /* ----------------------------------------------------------------------- */
1529
1530 void opj_jp2_setup_encoder(     opj_jp2_t *jp2,
1531                             opj_cparameters_t *parameters,
1532                             opj_image_t *image,
1533                             opj_event_mgr_t * p_manager)
1534 {
1535     OPJ_UINT32 i;
1536         OPJ_INT32 depth_0, sign;
1537
1538         if(!jp2 || !parameters || !image)
1539                 return;
1540
1541         /* setup the J2K codec */
1542         /* ------------------- */
1543
1544         /* Check if number of components respects standard */
1545         if (image->numcomps < 1 || image->numcomps > 16384) {
1546                 opj_event_msg(p_manager, EVT_ERROR, "Invalid number of components specified while setting up JP2 encoder\n");
1547                 return;
1548         }
1549
1550         opj_j2k_setup_encoder(jp2->j2k, parameters, image, p_manager );
1551
1552         /* setup the JP2 codec */
1553         /* ------------------- */
1554
1555         /* Profile box */
1556
1557         jp2->brand = JP2_JP2;   /* BR */
1558         jp2->minversion = 0;    /* MinV */
1559         jp2->numcl = 1;
1560         jp2->cl = (OPJ_UINT32*) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32));
1561     if (!jp2->cl){
1562         jp2->cl = NULL;
1563         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n");
1564         return;
1565     }
1566         jp2->cl[0] = JP2_JP2;   /* CL0 : JP2 */
1567
1568         /* Image Header box */
1569
1570         jp2->numcomps = image->numcomps;        /* NC */
1571         jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t));
1572     if (!jp2->comps) {
1573         jp2->comps = NULL;
1574         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n");
1575         return;
1576     }
1577
1578         jp2->h = image->y1 - image->y0;         /* HEIGHT */
1579         jp2->w = image->x1 - image->x0;         /* WIDTH */
1580         /* BPC */
1581         depth_0 = image->comps[0].prec - 1;
1582         sign = image->comps[0].sgnd;
1583         jp2->bpc = depth_0 + (sign << 7);
1584         for (i = 1; i < image->numcomps; i++) {
1585                 OPJ_INT32 depth = image->comps[i].prec - 1;
1586                 sign = image->comps[i].sgnd;
1587                 if (depth_0 != depth)
1588                         jp2->bpc = 255;
1589         }
1590         jp2->C = 7;                     /* C : Always 7 */
1591         jp2->UnkC = 0;          /* UnkC, colorspace specified in colr box */
1592         jp2->IPR = 0;           /* IPR, no intellectual property */
1593
1594         /* BitsPerComponent box */
1595         for (i = 0; i < image->numcomps; i++) {
1596                 jp2->comps[i].bpcc = image->comps[i].prec - 1 + (image->comps[i].sgnd << 7);
1597         }
1598
1599         /* Colour Specification box */
1600     if(image->icc_profile_len) {
1601         jp2->meth = 2;
1602         jp2->enumcs = 0;
1603     }
1604     else {
1605         jp2->meth = 1;
1606         if (image->color_space == 1)
1607             jp2->enumcs = 16;   /* sRGB as defined by IEC 61966-2-1 */
1608         else if (image->color_space == 2)
1609             jp2->enumcs = 17;   /* greyscale */
1610         else if (image->color_space == 3)
1611             jp2->enumcs = 18;   /* YUV */
1612     }
1613
1614
1615         jp2->precedence = 0;    /* PRECEDENCE */
1616         jp2->approx = 0;                /* APPROX */
1617
1618         jp2->jpip_on = parameters->jpip_on;
1619 }
1620
1621 OPJ_BOOL opj_jp2_encode(opj_jp2_t *jp2,
1622                                                 opj_stream_private_t *stream,
1623                                                 opj_event_mgr_t * p_manager)
1624 {
1625         return opj_j2k_encode(jp2->j2k, stream, p_manager);
1626 }
1627
1628 OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2,
1629                                 opj_stream_private_t *cio,
1630                                 opj_event_mgr_t * p_manager
1631                                 )
1632 {
1633         /* preconditions */
1634         assert(jp2 != 00);
1635         assert(cio != 00);
1636         assert(p_manager != 00);
1637
1638         /* customization of the end encoding */
1639         opj_jp2_setup_end_header_reading(jp2);
1640
1641         /* write header */
1642         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,cio,p_manager)) {
1643                 return OPJ_FALSE;
1644         }
1645
1646         return opj_j2k_end_decompress(jp2->j2k, cio, p_manager);
1647 }
1648
1649 OPJ_BOOL opj_jp2_end_compress(  opj_jp2_t *jp2,
1650                                                             opj_stream_private_t *cio,
1651                                                             opj_event_mgr_t * p_manager
1652                                 )
1653 {
1654         /* preconditions */
1655         assert(jp2 != 00);
1656         assert(cio != 00);
1657         assert(p_manager != 00);
1658
1659         /* customization of the end encoding */
1660         opj_jp2_setup_end_header_writing(jp2);
1661
1662         if (! opj_j2k_end_compress(jp2->j2k,cio,p_manager)) {
1663                 return OPJ_FALSE;
1664         }
1665
1666         /* write header */
1667         return opj_jp2_exec(jp2,jp2->m_procedure_list,cio,p_manager);
1668 }
1669
1670 void opj_jp2_setup_end_header_writing (opj_jp2_t *jp2)
1671 {
1672         /* preconditions */
1673         assert(jp2 != 00);
1674
1675 #ifdef USE_JPIP
1676   if( jp2->jpip_on )
1677     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_iptr );
1678 #endif
1679         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2c );
1680         /* DEVELOPER CORNER, add your custom procedures */
1681 #ifdef USE_JPIP
1682   if( jp2->jpip_on )
1683     {
1684     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_cidx );
1685     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_fidx );
1686     }
1687 #endif
1688 }
1689
1690 void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2)
1691 {
1692         /* preconditions */
1693         assert(jp2 != 00);
1694         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
1695         /* DEVELOPER CORNER, add your custom procedures */
1696 }
1697
1698 OPJ_BOOL opj_jp2_default_validation (   opj_jp2_t * jp2,
1699                                         opj_stream_private_t *cio,
1700                                         opj_event_mgr_t * p_manager
1701                                         )
1702 {
1703         OPJ_BOOL l_is_valid = OPJ_TRUE;
1704         OPJ_UINT32 i;
1705
1706         /* preconditions */
1707         assert(jp2 != 00);
1708         assert(cio != 00);
1709         assert(p_manager != 00);
1710
1711         /* JPEG2000 codec validation */
1712
1713         /* STATE checking */
1714         /* make sure the state is at 0 */
1715         l_is_valid &= (jp2->jp2_state == JP2_STATE_NONE);
1716
1717         /* make sure not reading a jp2h ???? WEIRD */
1718         l_is_valid &= (jp2->jp2_img_state == JP2_IMG_STATE_NONE);
1719
1720         /* POINTER validation */
1721         /* make sure a j2k codec is present */
1722         l_is_valid &= (jp2->j2k != 00);
1723
1724         /* make sure a procedure list is present */
1725         l_is_valid &= (jp2->m_procedure_list != 00);
1726
1727         /* make sure a validation list is present */
1728         l_is_valid &= (jp2->m_validation_list != 00);
1729
1730         /* PARAMETER VALIDATION */
1731         /* number of components */
1732         l_is_valid &= (jp2->numcl > 0);
1733         /* width */
1734         l_is_valid &= (jp2->h > 0);
1735         /* height */
1736         l_is_valid &= (jp2->w > 0);
1737         /* precision */
1738         for (i = 0; i < jp2->numcomps; ++i)     {
1739                 l_is_valid &= (jp2->comps[i].bpcc > 0);
1740         }
1741
1742         /* METH */
1743         l_is_valid &= ((jp2->meth > 0) && (jp2->meth < 3));
1744
1745         /* stream validation */
1746         /* back and forth is needed */
1747         l_is_valid &= opj_stream_has_seek(cio);
1748
1749         return l_is_valid;
1750 }
1751
1752 OPJ_BOOL opj_jp2_read_header_procedure(  opj_jp2_t *jp2,
1753                                                 opj_stream_private_t *stream,
1754                                                 opj_event_mgr_t * p_manager
1755                                                 )
1756 {
1757         opj_jp2_box_t box;
1758         OPJ_UINT32 l_nb_bytes_read;
1759         const opj_jp2_header_handler_t * l_current_handler;
1760         OPJ_UINT32 l_last_data_size = OPJ_BOX_SIZE;
1761         OPJ_UINT32 l_current_data_size;
1762         OPJ_BYTE * l_current_data = 00;
1763
1764         /* preconditions */
1765         assert(stream != 00);
1766         assert(jp2 != 00);
1767         assert(p_manager != 00);
1768
1769         l_current_data = (OPJ_BYTE*)opj_malloc(l_last_data_size);
1770
1771         if (l_current_data == 00) {
1772                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 file header\n");
1773                 return OPJ_FALSE;
1774         }
1775         memset(l_current_data, 0 , l_last_data_size);
1776
1777         while (opj_jp2_read_boxhdr(&box,&l_nb_bytes_read,stream,p_manager)) {
1778                 /* is it the codestream box ? */
1779                 if (box.type == JP2_JP2C) {
1780                         if (jp2->jp2_state & JP2_STATE_HEADER) {
1781                                 jp2->jp2_state |= JP2_STATE_CODESTREAM;
1782                                 opj_free(l_current_data);
1783                                 return OPJ_TRUE;
1784                         }
1785                         else {
1786                                 opj_event_msg(p_manager, EVT_ERROR, "bad placed jpeg codestream\n");
1787                                 opj_free(l_current_data);
1788                                 return OPJ_FALSE;
1789                         }
1790                 }
1791                 else if (box.length == 0) {
1792                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
1793                         opj_free(l_current_data);
1794                         return OPJ_FALSE;
1795                 }
1796
1797                 l_current_handler = opj_jp2_find_handler(box.type);
1798                 l_current_data_size = box.length - l_nb_bytes_read;
1799
1800                 if (l_current_handler != 00) {
1801                         if (l_current_data_size > l_last_data_size) {
1802                                 OPJ_BYTE* new_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_data_size);
1803                                 if (!new_current_data) {
1804                                         opj_free(l_current_data);
1805                     opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 box\n");
1806                                         return OPJ_FALSE;
1807                                 }
1808                 l_current_data = new_current_data;
1809                                 l_last_data_size = l_current_data_size;
1810                         }
1811
1812                         l_nb_bytes_read = opj_stream_read_data(stream,l_current_data,l_current_data_size,p_manager);
1813                         if (l_nb_bytes_read != l_current_data_size) {
1814                                 opj_event_msg(p_manager, EVT_ERROR, "Problem with reading JPEG2000 box, stream error\n");
1815                 opj_free(l_current_data);
1816                                 return OPJ_FALSE;
1817                         }
1818
1819                         if (! l_current_handler->handler(jp2,l_current_data,l_current_data_size,p_manager)) {
1820                                 opj_free(l_current_data);
1821                                 return OPJ_FALSE;
1822                         }
1823                 }
1824                 else {
1825                         jp2->jp2_state |= JP2_STATE_UNKNOWN;
1826                         if (opj_stream_skip(stream,l_current_data_size,p_manager) != l_current_data_size) {
1827                                 opj_event_msg(p_manager, EVT_ERROR, "Problem with skipping JPEG2000 box, stream error\n");
1828                                 opj_free(l_current_data);
1829                                 return OPJ_FALSE;
1830                         }
1831                 }
1832         }
1833
1834         opj_free(l_current_data);
1835
1836         return OPJ_TRUE;
1837 }
1838
1839 /**
1840  * Excutes the given procedures on the given codec.
1841  *
1842  * @param       p_procedure_list        the list of procedures to execute
1843  * @param       jp2                                     the jpeg2000 file codec to execute the procedures on.
1844  * @param       stream                                  the stream to execute the procedures on.
1845  * @param       p_manager                       the user manager.
1846  *
1847  * @return      true                            if all the procedures were successfully executed.
1848  */
1849 static OPJ_BOOL opj_jp2_exec (  opj_jp2_t * jp2,
1850                                 opj_procedure_list_t * p_procedure_list,
1851                                 opj_stream_private_t *stream,
1852                                 opj_event_mgr_t * p_manager
1853                                 )
1854
1855 {
1856         OPJ_BOOL (** l_procedure) (opj_jp2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *) = 00;
1857         OPJ_BOOL l_result = OPJ_TRUE;
1858         OPJ_UINT32 l_nb_proc, i;
1859
1860         /* preconditions */
1861         assert(p_procedure_list != 00);
1862         assert(jp2 != 00);
1863         assert(stream != 00);
1864         assert(p_manager != 00);
1865
1866         l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
1867         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);
1868
1869         for     (i=0;i<l_nb_proc;++i) {
1870                 l_result = l_result && (*l_procedure) (jp2,stream,p_manager);
1871                 ++l_procedure;
1872         }
1873
1874         /* and clear the procedure list at the end. */
1875         opj_procedure_list_clear(p_procedure_list);
1876         return l_result;
1877 }
1878
1879 OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2,
1880                                 opj_stream_private_t *stream,
1881                                 opj_image_t * p_image,
1882                                 opj_event_mgr_t * p_manager
1883                                 )
1884 {
1885         /* preconditions */
1886         assert(jp2 != 00);
1887         assert(stream != 00);
1888         assert(p_manager != 00);
1889
1890         /* customization of the validation */
1891         opj_jp2_setup_encoding_validation (jp2);
1892
1893         /* validation of the parameters codec */
1894         if (! opj_jp2_exec(jp2,jp2->m_validation_list,stream,p_manager)) {
1895                 return OPJ_FALSE;
1896         }
1897
1898         /* customization of the encoding */
1899         opj_jp2_setup_header_writing(jp2);
1900
1901         /* write header */
1902         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,stream,p_manager)) {
1903                 return OPJ_FALSE;
1904         }
1905
1906         return opj_j2k_start_compress(jp2->j2k,stream,p_image,p_manager);
1907 }
1908
1909 const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id)
1910 {
1911         OPJ_UINT32 i, l_handler_size = sizeof(jp2_header) / sizeof(opj_jp2_header_handler_t);
1912
1913         for (i=0;i<l_handler_size;++i) {
1914                 if (jp2_header[i].id == p_id) {
1915                         return &jp2_header[i];
1916                 }
1917         }
1918         return NULL;
1919 }
1920
1921 /**
1922  * Finds the image execution function related to the given box id.
1923  *
1924  * @param       p_id    the id of the handler to fetch.
1925  *
1926  * @return      the given handler or 00 if it could not be found.
1927  */
1928 static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id)
1929 {
1930         OPJ_UINT32 i, l_handler_size = sizeof(jp2_img_header) / sizeof(opj_jp2_header_handler_t);
1931         for (i=0;i<l_handler_size;++i)
1932         {
1933                 if (jp2_img_header[i].id == p_id) {
1934                         return &jp2_img_header[i];
1935                 }
1936         }
1937
1938         return NULL;
1939 }
1940
1941 /**
1942  * Reads a jpeg2000 file signature box.
1943  *
1944  * @param       p_header_data   the data contained in the signature box.
1945  * @param       jp2                             the jpeg2000 file codec.
1946  * @param       p_header_size   the size of the data contained in the signature box.
1947  * @param       p_manager               the user event manager.
1948  *
1949  * @return true if the file signature box is valid.
1950  */
1951 static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2,
1952                                 OPJ_BYTE * p_header_data,
1953                                 OPJ_UINT32 p_header_size,
1954                                 opj_event_mgr_t * p_manager
1955                                 )
1956
1957 {
1958         OPJ_UINT32 l_magic_number;
1959
1960         /* preconditions */
1961         assert(p_header_data != 00);
1962         assert(jp2 != 00);
1963         assert(p_manager != 00);
1964
1965         if (jp2->jp2_state != JP2_STATE_NONE) {
1966                 opj_event_msg(p_manager, EVT_ERROR, "The signature box must be the first box in the file.\n");
1967                 return OPJ_FALSE;
1968         }
1969
1970         /* assure length of data is correct (4 -> magic number) */
1971         if (p_header_size != 4) {
1972                 opj_event_msg(p_manager, EVT_ERROR, "Error with JP signature Box size\n");
1973                 return OPJ_FALSE;
1974         }
1975
1976         /* rearrange data */
1977         opj_read_bytes(p_header_data,&l_magic_number,4);
1978         if (l_magic_number != 0x0d0a870a ) {
1979                 opj_event_msg(p_manager, EVT_ERROR, "Error with JP Signature : bad magic number\n");
1980                 return OPJ_FALSE;
1981         }
1982
1983         jp2->jp2_state |= JP2_STATE_SIGNATURE;
1984
1985         return OPJ_TRUE;
1986 }
1987
1988 /**
1989  * Reads a a FTYP box - File type box
1990  *
1991  * @param       p_header_data   the data contained in the FTYP box.
1992  * @param       jp2                             the jpeg2000 file codec.
1993  * @param       p_header_size   the size of the data contained in the FTYP box.
1994  * @param       p_manager               the user event manager.
1995  *
1996  * @return true if the FTYP box is valid.
1997  */
1998 static OPJ_BOOL opj_jp2_read_ftyp(      opj_jp2_t *jp2,
1999                                                                         OPJ_BYTE * p_header_data,
2000                                                                         OPJ_UINT32 p_header_size,
2001                                                                         opj_event_mgr_t * p_manager
2002                                     )
2003 {
2004         OPJ_UINT32 i, l_remaining_bytes;
2005
2006         /* preconditions */
2007         assert(p_header_data != 00);
2008         assert(jp2 != 00);
2009         assert(p_manager != 00);
2010
2011         if (jp2->jp2_state != JP2_STATE_SIGNATURE) {
2012                 opj_event_msg(p_manager, EVT_ERROR, "The ftyp box must be the second box in the file.\n");
2013                 return OPJ_FALSE;
2014         }
2015
2016         /* assure length of data is correct */
2017         if (p_header_size < 8) {
2018                 opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n");
2019                 return OPJ_FALSE;
2020         }
2021
2022         opj_read_bytes(p_header_data,&jp2->brand,4);            /* BR */
2023         p_header_data += 4;
2024
2025         opj_read_bytes(p_header_data,&jp2->minversion,4);               /* MinV */
2026         p_header_data += 4;
2027
2028         l_remaining_bytes = p_header_size - 8;
2029
2030         /* the number of remaining bytes should be a multiple of 4 */
2031         if ((l_remaining_bytes & 0x3) != 0) {
2032                 opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n");
2033                 return OPJ_FALSE;
2034         }
2035
2036         /* div by 4 */
2037         jp2->numcl = l_remaining_bytes >> 2;
2038         if (jp2->numcl) {
2039                 jp2->cl = (OPJ_UINT32 *) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32));
2040                 if (jp2->cl == 00) {
2041                         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory with FTYP Box\n");
2042                         return OPJ_FALSE;
2043                 }
2044                 memset(jp2->cl,0,jp2->numcl * sizeof(OPJ_UINT32));
2045         }
2046
2047         for (i = 0; i < jp2->numcl; ++i)
2048         {
2049                 opj_read_bytes(p_header_data,&jp2->cl[i],4);            /* CLi */
2050                 p_header_data += 4;
2051         }
2052
2053         jp2->jp2_state |= JP2_STATE_FILE_TYPE;
2054
2055         return OPJ_TRUE;
2056 }
2057
2058 OPJ_BOOL opj_jp2_skip_jp2c(     opj_jp2_t *jp2,
2059                                                 opj_stream_private_t *stream,
2060                                                 opj_event_mgr_t * p_manager )
2061 {
2062         /* preconditions */
2063         assert(jp2 != 00);
2064         assert(stream != 00);
2065         assert(p_manager != 00);
2066
2067         jp2->j2k_codestream_offset = opj_stream_tell(stream);
2068
2069         if (opj_stream_skip(stream,8,p_manager) != 8) {
2070                 return OPJ_FALSE;
2071         }
2072
2073         return OPJ_TRUE;
2074 }
2075
2076 static OPJ_BOOL opj_jpip_skip_iptr(     opj_jp2_t *jp2,
2077   opj_stream_private_t *stream,
2078   opj_event_mgr_t * p_manager )
2079 {
2080   /* preconditions */
2081   assert(jp2 != 00);
2082   assert(stream != 00);
2083   assert(p_manager != 00);
2084
2085   jp2->jpip_iptr_offset = opj_stream_tell(stream);
2086
2087   if (opj_stream_skip(stream,24,p_manager) != 24) {
2088     return OPJ_FALSE;
2089   }
2090
2091   return OPJ_TRUE;
2092 }
2093
2094 /**
2095  * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
2096  *
2097  * @param       p_header_data   the data contained in the file header box.
2098  * @param       jp2                             the jpeg2000 file codec.
2099  * @param       p_header_size   the size of the data contained in the file header box.
2100  * @param       p_manager               the user event manager.
2101  *
2102  * @return true if the JP2 Header box was successfully reconized.
2103 */
2104 static OPJ_BOOL opj_jp2_read_jp2h(  opj_jp2_t *jp2,
2105                                     OPJ_BYTE *p_header_data,
2106                                     OPJ_UINT32 p_header_size,
2107                                     opj_event_mgr_t * p_manager
2108                                     )
2109 {
2110         OPJ_UINT32 l_box_size=0, l_current_data_size = 0;
2111         opj_jp2_box_t box;
2112         const opj_jp2_header_handler_t * l_current_handler;
2113
2114         /* preconditions */
2115         assert(p_header_data != 00);
2116         assert(jp2 != 00);
2117         assert(p_manager != 00);
2118
2119         /* make sure the box is well placed */
2120         if ((jp2->jp2_state & JP2_STATE_FILE_TYPE) != JP2_STATE_FILE_TYPE ) {
2121                 opj_event_msg(p_manager, EVT_ERROR, "The  box must be the first box in the file.\n");
2122                 return OPJ_FALSE;
2123         }
2124
2125         jp2->jp2_img_state = JP2_IMG_STATE_NONE;
2126
2127         /* iterate while remaining data */
2128         while (p_header_size > 0) {
2129
2130                 if (! opj_jp2_read_boxhdr_char(&box,p_header_data,&l_box_size,p_header_size, p_manager)) {
2131                         opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box\n");
2132                         return OPJ_FALSE;
2133                 }
2134
2135                 if (box.length > p_header_size) {
2136                         opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box: box length is inconsistent.\n");
2137                         return OPJ_FALSE;
2138                 }
2139
2140                 l_current_handler = opj_jp2_img_find_handler(box.type);
2141                 l_current_data_size = box.length - l_box_size;
2142                 p_header_data += l_box_size;
2143
2144                 if (l_current_handler != 00) {
2145                         if (! l_current_handler->handler(jp2,p_header_data,l_current_data_size,p_manager)) {
2146                                 return OPJ_FALSE;
2147                         }
2148                 }
2149                 else {
2150                         jp2->jp2_img_state |= JP2_IMG_STATE_UNKNOWN;
2151                 }
2152
2153                 p_header_data += l_current_data_size;
2154                 p_header_size -= box.length;
2155         }
2156
2157         jp2->jp2_state |= JP2_STATE_HEADER;
2158
2159         return OPJ_TRUE;
2160 }
2161
2162 OPJ_BOOL opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
2163                                      OPJ_BYTE * p_data,
2164                                      OPJ_UINT32 * p_number_bytes_read,
2165                                      OPJ_UINT32 p_box_max_size,
2166                                      opj_event_mgr_t * p_manager
2167                                      )
2168 {
2169         OPJ_UINT32 l_value;
2170
2171         /* preconditions */
2172         assert(p_data != 00);
2173         assert(box != 00);
2174         assert(p_number_bytes_read != 00);
2175         assert(p_manager != 00);
2176
2177         if (p_box_max_size < 8) {
2178                 opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of less than 8 bytes\n");
2179                 return OPJ_FALSE;
2180         }
2181
2182         /* process read data */
2183         opj_read_bytes(p_data, &l_value, 4);
2184         p_data += 4;
2185         box->length = (OPJ_INT32)(l_value);
2186
2187         opj_read_bytes(p_data, &l_value, 4);
2188         p_data += 4;
2189         box->type = (OPJ_INT32)(l_value);
2190
2191         *p_number_bytes_read = 8;
2192
2193         /* do we have a "special very large box ?" */
2194         /* read then the XLBox */
2195         if (box->length == 1) {
2196                 OPJ_UINT32 l_xl_part_size;
2197
2198                 if (p_box_max_size < 16) {
2199                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle XL box of less than 16 bytes\n");
2200                         return OPJ_FALSE;
2201                 }
2202
2203                 opj_read_bytes(p_data,&l_xl_part_size, 4);
2204                 p_data += 4;
2205                 *p_number_bytes_read += 4;
2206
2207                 if (l_xl_part_size != 0) {
2208                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
2209                         return OPJ_FALSE;
2210                 }
2211
2212                 opj_read_bytes(p_data, &l_value, 4);
2213                 *p_number_bytes_read += 4;
2214                 box->length = (OPJ_INT32)(l_value);
2215
2216                 if (box->length == 0) {
2217                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
2218                         return OPJ_FALSE;
2219                 }
2220         }
2221         else if (box->length == 0) {
2222                 opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
2223                 return OPJ_FALSE;
2224         }
2225
2226         return OPJ_TRUE;
2227 }
2228
2229 OPJ_BOOL opj_jp2_read_header(   opj_stream_private_t *p_stream,
2230                                 opj_jp2_t *jp2,
2231                                 opj_image_t ** p_image,
2232                                 opj_event_mgr_t * p_manager
2233                                 )
2234 {
2235         /* preconditions */
2236         assert(jp2 != 00);
2237         assert(p_stream != 00);
2238         assert(p_manager != 00);
2239
2240         /* customization of the validation */
2241         opj_jp2_setup_decoding_validation (jp2);
2242
2243         /* customization of the encoding */
2244         opj_jp2_setup_header_reading(jp2);
2245
2246         /* validation of the parameters codec */
2247         if (! opj_jp2_exec(jp2,jp2->m_validation_list,p_stream,p_manager)) {
2248                 return OPJ_FALSE;
2249         }
2250
2251         /* read header */
2252         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,p_stream,p_manager)) {
2253                 return OPJ_FALSE;
2254         }
2255
2256         return opj_j2k_read_header(     p_stream,
2257                                                         jp2->j2k,
2258                                                         p_image,
2259                                                         p_manager);
2260 }
2261
2262 void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2)
2263 {
2264         /* preconditions */
2265         assert(jp2 != 00);
2266
2267         opj_procedure_list_add_procedure(jp2->m_validation_list, (opj_procedure)opj_jp2_default_validation);
2268         /* DEVELOPER CORNER, add your custom validation procedure */
2269 }
2270
2271 void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2)
2272 {
2273         /* preconditions */
2274         assert(jp2 != 00);
2275         /* DEVELOPER CORNER, add your custom validation procedure */
2276 }
2277
2278 void opj_jp2_setup_header_writing (opj_jp2_t *jp2)
2279 {
2280         /* preconditions */
2281         assert(jp2 != 00);
2282
2283         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp );
2284         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_ftyp );
2285         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2h );
2286   if( jp2->jpip_on )
2287     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_skip_iptr );
2288         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_skip_jp2c );
2289
2290         /* DEVELOPER CORNER, insert your custom procedures */
2291
2292 }
2293
2294 void opj_jp2_setup_header_reading (opj_jp2_t *jp2)
2295 {
2296         /* preconditions */
2297         assert(jp2 != 00);
2298
2299         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
2300         /* DEVELOPER CORNER, add your custom procedures */
2301 }
2302
2303 OPJ_BOOL opj_jp2_read_tile_header ( opj_jp2_t * p_jp2,
2304                                     OPJ_UINT32 * p_tile_index,
2305                                     OPJ_UINT32 * p_data_size,
2306                                     OPJ_INT32 * p_tile_x0,
2307                                     OPJ_INT32 * p_tile_y0,
2308                                     OPJ_INT32 * p_tile_x1,
2309                                     OPJ_INT32 * p_tile_y1,
2310                                     OPJ_UINT32 * p_nb_comps,
2311                                     OPJ_BOOL * p_go_on,
2312                                     opj_stream_private_t *p_stream,
2313                                     opj_event_mgr_t * p_manager
2314                                     )
2315 {
2316         return opj_j2k_read_tile_header(p_jp2->j2k,
2317                                                                 p_tile_index,
2318                                                                 p_data_size,
2319                                                                 p_tile_x0, p_tile_y0,
2320                                                                 p_tile_x1, p_tile_y1,
2321                                                                 p_nb_comps,
2322                                                                 p_go_on,
2323                                                                 p_stream,
2324                                                                 p_manager);
2325 }
2326
2327 OPJ_BOOL opj_jp2_write_tile (   opj_jp2_t *p_jp2,
2328                                                             OPJ_UINT32 p_tile_index,
2329                                                             OPJ_BYTE * p_data,
2330                                                             OPJ_UINT32 p_data_size,
2331                                                             opj_stream_private_t *p_stream,
2332                                                             opj_event_mgr_t * p_manager
2333                                 )
2334
2335 {
2336         return opj_j2k_write_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
2337 }
2338
2339 OPJ_BOOL opj_jp2_decode_tile (  opj_jp2_t * p_jp2,
2340                                 OPJ_UINT32 p_tile_index,
2341                                 OPJ_BYTE * p_data,
2342                                 OPJ_UINT32 p_data_size,
2343                                 opj_stream_private_t *p_stream,
2344                                 opj_event_mgr_t * p_manager
2345                                 )
2346 {
2347         return opj_j2k_decode_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
2348 }
2349
2350 void opj_jp2_destroy(opj_jp2_t *jp2)
2351 {
2352         if (jp2) {
2353                 /* destroy the J2K codec */
2354                 opj_j2k_destroy(jp2->j2k);
2355                 jp2->j2k = 00;
2356
2357                 if (jp2->comps) {
2358                         opj_free(jp2->comps);
2359                         jp2->comps = 00;
2360                 }
2361
2362                 if (jp2->cl) {
2363                         opj_free(jp2->cl);
2364                         jp2->cl = 00;
2365                 }
2366
2367                 if (jp2->color.icc_profile_buf) {
2368                         opj_free(jp2->color.icc_profile_buf);
2369                         jp2->color.icc_profile_buf = 00;
2370                 }
2371
2372                 if (jp2->color.jp2_cdef) {
2373                         if (jp2->color.jp2_cdef->info) {
2374                                 opj_free(jp2->color.jp2_cdef->info);
2375                                 jp2->color.jp2_cdef->info = NULL;
2376                         }
2377
2378                         opj_free(jp2->color.jp2_cdef);
2379                         jp2->color.jp2_cdef = 00;
2380                 }
2381
2382                 if (jp2->color.jp2_pclr) {
2383                         if (jp2->color.jp2_pclr->cmap) {
2384                                 opj_free(jp2->color.jp2_pclr->cmap);
2385                                 jp2->color.jp2_pclr->cmap = NULL;
2386                         }
2387                         if (jp2->color.jp2_pclr->channel_sign) {
2388                                 opj_free(jp2->color.jp2_pclr->channel_sign);
2389                                 jp2->color.jp2_pclr->channel_sign = NULL;
2390                         }
2391                         if (jp2->color.jp2_pclr->channel_size) {
2392                                 opj_free(jp2->color.jp2_pclr->channel_size);
2393                                 jp2->color.jp2_pclr->channel_size = NULL;
2394                         }
2395                         if (jp2->color.jp2_pclr->entries) {
2396                                 opj_free(jp2->color.jp2_pclr->entries);
2397                                 jp2->color.jp2_pclr->entries = NULL;
2398                         }
2399
2400                         opj_free(jp2->color.jp2_pclr);
2401                         jp2->color.jp2_pclr = 00;
2402                 }
2403
2404                 if (jp2->m_validation_list) {
2405                         opj_procedure_list_destroy(jp2->m_validation_list);
2406                         jp2->m_validation_list = 00;
2407                 }
2408
2409                 if (jp2->m_procedure_list) {
2410                         opj_procedure_list_destroy(jp2->m_procedure_list);
2411                         jp2->m_procedure_list = 00;
2412                 }
2413
2414                 opj_free(jp2);
2415         }
2416 }
2417
2418 OPJ_BOOL opj_jp2_set_decode_area(       opj_jp2_t *p_jp2,
2419                                                                     opj_image_t* p_image,
2420                                                                     OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
2421                                                                     OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
2422                                                                     opj_event_mgr_t * p_manager
2423                                     )
2424 {
2425         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);
2426 }
2427
2428 OPJ_BOOL opj_jp2_get_tile(      opj_jp2_t *p_jp2,
2429                             opj_stream_private_t *p_stream,
2430                             opj_image_t* p_image,
2431                             opj_event_mgr_t * p_manager,
2432                             OPJ_UINT32 tile_index
2433                             )
2434 {
2435         if (!p_image)
2436                 return OPJ_FALSE;
2437
2438         opj_event_msg(p_manager, EVT_WARNING, "JP2 box which are after the codestream will not be read by this function.\n");
2439
2440         if (! opj_j2k_get_tile(p_jp2->j2k, p_stream, p_image, p_manager, tile_index) ){
2441                 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
2442                 return OPJ_FALSE;
2443         }
2444
2445         if (!opj_jp2_check_color(p_image, &(p_jp2->color), p_manager)) {
2446                 return OPJ_FALSE;
2447         }
2448
2449         /* Set Image Color Space */
2450         if (p_jp2->enumcs == 16)
2451                 p_image->color_space = OPJ_CLRSPC_SRGB;
2452         else if (p_jp2->enumcs == 17)
2453                 p_image->color_space = OPJ_CLRSPC_GRAY;
2454         else if (p_jp2->enumcs == 18)
2455                 p_image->color_space = OPJ_CLRSPC_SYCC;
2456         else
2457                 p_image->color_space = OPJ_CLRSPC_UNKNOWN;
2458
2459         /* Apply the color space if needed */
2460         if(p_jp2->color.jp2_cdef) {
2461                 opj_jp2_apply_cdef(p_image, &(p_jp2->color));
2462         }
2463
2464         if(p_jp2->color.jp2_pclr) {
2465                 /* Part 1, I.5.3.4: Either both or none : */
2466                 if( !p_jp2->color.jp2_pclr->cmap)
2467                         opj_jp2_free_pclr(&(p_jp2->color));
2468                 else
2469                         opj_jp2_apply_pclr(p_image, &(p_jp2->color));
2470         }
2471
2472         if(p_jp2->color.icc_profile_buf) {
2473                 p_image->icc_profile_buf = p_jp2->color.icc_profile_buf;
2474                 p_image->icc_profile_len = p_jp2->color.icc_profile_len;
2475                 p_jp2->color.icc_profile_buf = NULL;
2476         }
2477
2478         return OPJ_TRUE;
2479 }
2480
2481 /* ----------------------------------------------------------------------- */
2482 /* JP2 encoder interface                                             */
2483 /* ----------------------------------------------------------------------- */
2484
2485 opj_jp2_t* opj_jp2_create(OPJ_BOOL p_is_decoder)
2486 {
2487         opj_jp2_t *jp2 = (opj_jp2_t*)opj_malloc(sizeof(opj_jp2_t));
2488         if (jp2) {
2489                 memset(jp2,0,sizeof(opj_jp2_t));
2490
2491                 /* create the J2K codec */
2492                 if (! p_is_decoder) {
2493                         jp2->j2k = opj_j2k_create_compress();
2494                 }
2495                 else {
2496                         jp2->j2k = opj_j2k_create_decompress();
2497                 }
2498
2499                 if (jp2->j2k == 00) {
2500                         opj_jp2_destroy(jp2);
2501                         return 00;
2502                 }
2503
2504                 /* Color structure */
2505                 jp2->color.icc_profile_buf = NULL;
2506                 jp2->color.icc_profile_len = 0;
2507                 jp2->color.jp2_cdef = NULL;
2508                 jp2->color.jp2_pclr = NULL;
2509                 jp2->color.jp2_has_colr = 0;
2510
2511                 /* validation list creation */
2512                 jp2->m_validation_list = opj_procedure_list_create();
2513                 if (! jp2->m_validation_list) {
2514                         opj_jp2_destroy(jp2);
2515                         return 00;
2516                 }
2517
2518                 /* execution list creation */
2519                 jp2->m_procedure_list = opj_procedure_list_create();
2520                 if (! jp2->m_procedure_list) {
2521                         opj_jp2_destroy(jp2);
2522                         return 00;
2523                 }
2524         }
2525
2526         return jp2;
2527 }
2528
2529 void jp2_dump(opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream)
2530 {
2531         /* preconditions */
2532         assert(p_jp2 != 00);
2533
2534         j2k_dump(p_jp2->j2k,
2535                                         flag,
2536                                         out_stream);
2537 }
2538
2539 opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2)
2540 {
2541         return j2k_get_cstr_index(p_jp2->j2k);
2542 }
2543
2544 opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2)
2545 {
2546         return j2k_get_cstr_info(p_jp2->j2k);
2547 }
2548
2549 OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2,
2550                                                OPJ_UINT32 res_factor,
2551                                                opj_event_mgr_t * p_manager)
2552 {
2553         return opj_j2k_set_decoded_resolution_factor(p_jp2->j2k, res_factor, p_manager);
2554 }
2555
2556 /* JPIP specific */
2557
2558 #ifdef USE_JPIP
2559 static OPJ_BOOL opj_jpip_write_iptr(opj_jp2_t *jp2,
2560   opj_stream_private_t *cio,
2561   opj_event_mgr_t * p_manager )
2562 {
2563   OPJ_OFF_T j2k_codestream_exit;
2564   OPJ_BYTE l_data_header [24];
2565
2566   /* preconditions */
2567   assert(jp2 != 00);
2568   assert(cio != 00);
2569   assert(p_manager != 00);
2570   assert(opj_stream_has_seek(cio));
2571
2572   j2k_codestream_exit = opj_stream_tell(cio);
2573   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2574   opj_write_bytes(l_data_header + 4,JPIP_IPTR,4);                                                                          /* IPTR */
2575 #if 0
2576   opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */
2577   opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */
2578 #else
2579   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2580   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2581 #endif
2582
2583   if (! opj_stream_seek(cio,jp2->jpip_iptr_offset,p_manager)) {
2584     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2585     return OPJ_FALSE;
2586   }
2587
2588   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2589     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2590     return OPJ_FALSE;
2591   }
2592
2593   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2594     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2595     return OPJ_FALSE;
2596   }
2597
2598   return OPJ_TRUE;
2599 }
2600
2601 static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2,
2602   opj_stream_private_t *cio,
2603   opj_event_mgr_t * p_manager )
2604 {
2605   OPJ_OFF_T j2k_codestream_exit;
2606   OPJ_BYTE l_data_header [24];
2607
2608   /* preconditions */
2609   assert(jp2 != 00);
2610   assert(cio != 00);
2611   assert(p_manager != 00);
2612   assert(opj_stream_has_seek(cio));
2613
2614   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2615   opj_write_bytes(l_data_header + 4,JPIP_FIDX,4);                                                                          /* IPTR */
2616   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2617   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2618
2619   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2620     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2621     return OPJ_FALSE;
2622   }
2623
2624   j2k_codestream_exit = opj_stream_tell(cio);
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_cidx(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   j2k_codestream_exit = opj_stream_tell(cio);
2647   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2648   opj_write_bytes(l_data_header + 4,JPIP_CIDX,4);                                                                          /* IPTR */
2649 #if 0
2650   opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */
2651   opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */
2652 #else
2653   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2654   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2655 #endif
2656
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   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2663     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2664     return OPJ_FALSE;
2665   }
2666
2667   j2k_codestream_exit = opj_stream_tell(cio);
2668   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2669     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2670     return OPJ_FALSE;
2671   }
2672
2673   return OPJ_TRUE;
2674 }
2675
2676 static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
2677   opj_event_mgr_t * p_manager )
2678 {
2679   OPJ_BYTE l_data_header [8];
2680   OPJ_OFF_T len, lenp;
2681
2682   lenp = opj_stream_tell(cio);
2683   opj_stream_skip(cio, 4, p_manager);         /* L [at the end] */
2684   opj_write_bytes(l_data_header,JPIP_PRXY,4); /* IPTR           */
2685   opj_stream_write_data(cio,l_data_header,4,p_manager);
2686
2687   opj_write_bytes( l_data_header, offset_jp2c, 8); /* OOFF           */
2688   opj_stream_write_data(cio,l_data_header,8,p_manager);
2689   opj_write_bytes( l_data_header, length_jp2c, 4); /* OBH part 1     */
2690   opj_write_bytes( l_data_header+4, JP2_JP2C, 4);  /* OBH part 2     */
2691   opj_stream_write_data(cio,l_data_header,8,p_manager);
2692
2693   opj_write_bytes( l_data_header, 1, 1);/* NI             */
2694   opj_stream_write_data(cio,l_data_header,1,p_manager);
2695
2696   opj_write_bytes( l_data_header, offset_idx, 8);  /* IOFF           */
2697   opj_stream_write_data(cio,l_data_header,8,p_manager);
2698   opj_write_bytes( l_data_header, length_idx, 4);  /* IBH part 1     */
2699   opj_write_bytes( l_data_header+4, JPIP_CIDX, 4);   /* IBH part 2     */
2700   opj_stream_write_data(cio,l_data_header,8,p_manager);
2701
2702   len = opj_stream_tell(cio)-lenp;
2703   opj_stream_skip(cio, lenp, p_manager);
2704   opj_write_bytes(l_data_header,len,4);/* L              */
2705   opj_stream_write_data(cio,l_data_header,4,p_manager);
2706   opj_stream_seek(cio, lenp+len,p_manager);
2707 }
2708
2709
2710 static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
2711   opj_event_mgr_t * p_manager )
2712 {
2713   OPJ_BYTE l_data_header [4];
2714   OPJ_OFF_T len, lenp;
2715
2716   lenp = opj_stream_tell(cio);
2717   opj_stream_skip(cio, 4, p_manager);
2718   opj_write_bytes(l_data_header,JPIP_FIDX,4); /* FIDX */
2719   opj_stream_write_data(cio,l_data_header,4,p_manager);
2720
2721   write_prxy( offset_jp2c, length_jp2c, offset_idx, length_idx, cio,p_manager);
2722
2723   len = opj_stream_tell(cio)-lenp;
2724   opj_stream_skip(cio, lenp, p_manager);
2725   opj_write_bytes(l_data_header,len,4);/* L              */
2726   opj_stream_write_data(cio,l_data_header,4,p_manager);
2727   opj_stream_seek(cio, lenp+len,p_manager);
2728
2729   return len;
2730 }
2731 #endif /* USE_JPIP */