src/lib/openjp2/jp2.c

   1 /*
   2  * The copyright in this software is being made available under the 2-clauses
   3  * BSD License, included below. This software may be subject to other third
   4  * party and contributor rights, including patent rights, and no such rights
   5  * are granted under this license.
   6  *
   7  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
   8  * Copyright (c) 2002-2014, Professor Benoit Macq
   9  * Copyright (c) 2001-2003, David Janssens
  10  * Copyright (c) 2002-2003, Yannick Verschueren
  11  * Copyright (c) 2003-2007, Francois-Olivier Devaux
  12  * Copyright (c) 2003-2014, Antonin Descampe
  13  * Copyright (c) 2005, Herve Drolon, FreeImage Team
  14  * Copyright (c) 2010-2011, Kaori Hagihara
  15  * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
  16  * Copyright (c) 2012, CS Systemes d'Information, France
  17  * All rights reserved.
  18  *
  19  * Redistribution and use in source and binary forms, with or without
  20  * modification, are permitted provided that the following conditions
  21  * are met:
  22  * 1. Redistributions of source code must retain the above copyright
  23  *    notice, this list of conditions and the following disclaimer.
  24  * 2. Redistributions in binary form must reproduce the above copyright
  25  *    notice, this list of conditions and the following disclaimer in the
  26  *    documentation and/or other materials provided with the distribution.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  29  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  32  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  38  * POSSIBILITY OF SUCH DAMAGE.
  39  */
  40 #include "opj_includes.h"
  41
  42 /** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */
  43 /*@{*/
  44
  45 #define OPJ_BOX_SIZE    1024
  46
  47 /** @name Local static functions */
  48 /*@{*/
  49
  50 /*static void jp2_write_url(opj_cio_t *cio, char *Idx_file);*/
  51
  52 /**
  53  * Reads a IHDR box - Image Header box
  54  *
  55  * @param       p_image_header_data                     pointer to actual data (already read from file)
  56  * @param       jp2                                                     the jpeg2000 file codec.
  57  * @param       p_image_header_size                     the size of the image header
  58  * @param       p_manager                                       the user event manager.
  59  *
  60  * @return      true if the image header is valid, false else.
  61  */
  62 static OPJ_BOOL opj_jp2_read_ihdr(  opj_jp2_t *jp2,
  63                                     OPJ_BYTE *p_image_header_data,
  64                                     OPJ_UINT32 p_image_header_size,
  65                                     opj_event_mgr_t * p_manager );
  66
  67 /**
  68  * Writes the Image Header box - Image Header box.
  69  *
  70  * @param jp2                                   jpeg2000 file codec.
  71  * @param p_nb_bytes_written    pointer to store the nb of bytes written by the function.
  72  *
  73  * @return      the data being copied.
  74 */
  75 static OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2,
  76                                      OPJ_UINT32 * p_nb_bytes_written );
  77
  78 /**
  79  * Writes the Bit per Component box.
  80  *
  81  * @param       jp2                                             jpeg2000 file codec.
  82  * @param       p_nb_bytes_written              pointer to store the nb of bytes written by the function.
  83  *
  84  * @return      the data being copied.
  85 */
  86 static OPJ_BYTE * opj_jp2_write_bpcc(   opj_jp2_t *jp2,
  87                                                                         OPJ_UINT32 * p_nb_bytes_written );
  88
  89 /**
  90  * Reads a Bit per Component box.
  91  *
  92  * @param       p_bpc_header_data                       pointer to actual data (already read from file)
  93  * @param       jp2                                                     the jpeg2000 file codec.
  94  * @param       p_bpc_header_size                       the size of the bpc header
  95  * @param       p_manager                                       the user event manager.
  96  *
  97  * @return      true if the bpc header is valid, fale else.
  98  */
  99 static OPJ_BOOL opj_jp2_read_bpcc(  opj_jp2_t *jp2,
 100                                     OPJ_BYTE * p_bpc_header_data,
 101                                     OPJ_UINT32 p_bpc_header_size,
 102                                     opj_event_mgr_t * p_manager );
 103
 104 static OPJ_BOOL opj_jp2_read_cdef(      opj_jp2_t * jp2,
 105                                     OPJ_BYTE * p_cdef_header_data,
 106                                                                         OPJ_UINT32 p_cdef_header_size,
 107                                                                         opj_event_mgr_t * p_manager );
 108
 109 static void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color);
 110
 111 /**
 112  * Writes the Colour Specification box.
 113  *
 114  * @param jp2                                   jpeg2000 file codec.
 115  * @param p_nb_bytes_written    pointer to store the nb of bytes written by the function.
 116  *
 117  * @return      the data being copied.
 118 */
 119 static OPJ_BYTE * opj_jp2_write_colr(   opj_jp2_t *jp2,
 120                                                                             OPJ_UINT32 * p_nb_bytes_written );
 121
 122 /**
 123  * Writes a FTYP box - File type box
 124  *
 125  * @param       cio                     the stream to write data to.
 126  * @param       jp2                     the jpeg2000 file codec.
 127  * @param       p_manager       the user event manager.
 128  *
 129  * @return      true if writing was successful.
 130  */
 131 static OPJ_BOOL opj_jp2_write_ftyp(     opj_jp2_t *jp2,
 132                                                                         opj_stream_private_t *cio,
 133                                                                         opj_event_mgr_t * p_manager );
 134
 135 /**
 136  * Reads a a FTYP box - File type box
 137  *
 138  * @param       p_header_data   the data contained in the FTYP box.
 139  * @param       jp2                             the jpeg2000 file codec.
 140  * @param       p_header_size   the size of the data contained in the FTYP box.
 141  * @param       p_manager               the user event manager.
 142  *
 143  * @return true if the FTYP box is valid.
 144  */
 145 static OPJ_BOOL opj_jp2_read_ftyp(      opj_jp2_t *jp2,
 146                                                                         OPJ_BYTE * p_header_data,
 147                                                                         OPJ_UINT32 p_header_size,
 148                                                                         opj_event_mgr_t * p_manager );
 149
 150 OPJ_BOOL opj_jp2_skip_jp2c(     opj_jp2_t *jp2,
 151                                                     opj_stream_private_t *cio,
 152                                                     opj_event_mgr_t * p_manager );
 153
 154 /**
 155  * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
 156  *
 157  * @param       p_header_data   the data contained in the file header box.
 158  * @param       jp2                             the jpeg2000 file codec.
 159  * @param       p_header_size   the size of the data contained in the file header box.
 160  * @param       p_manager               the user event manager.
 161  *
 162  * @return true if the JP2 Header box was successfully reconized.
 163 */
 164 static OPJ_BOOL opj_jp2_read_jp2h(  opj_jp2_t *jp2,
 165                                     OPJ_BYTE *p_header_data,
 166                                     OPJ_UINT32 p_header_size,
 167                                     opj_event_mgr_t * p_manager );
 168
 169 /**
 170  * Writes the Jpeg2000 codestream Header box - JP2C Header box. This function must be called AFTER the coding has been done.
 171  *
 172  * @param       cio                     the stream to write data to.
 173  * @param       jp2                     the jpeg2000 file codec.
 174  * @param       p_manager       user event manager.
 175  *
 176  * @return true if writing was successful.
 177 */
 178 static OPJ_BOOL opj_jp2_write_jp2c(     opj_jp2_t *jp2,
 179                                                                     opj_stream_private_t *cio,
 180                                                                     opj_event_mgr_t * p_manager );
 181
 182 #ifdef USE_JPIP
 183 /**
 184  * Write index Finder box
 185  * @param cio     the stream to write to.
 186  * @param       jp2                     the jpeg2000 file codec.
 187  * @param       p_manager       user event manager.
 188 */
 189 static OPJ_BOOL opj_jpip_write_iptr(    opj_jp2_t *jp2,
 190                                                                     opj_stream_private_t *cio,
 191                                                                     opj_event_mgr_t * p_manager );
 192
 193 /**
 194  * Write index Finder box
 195  * @param cio     the stream to write to.
 196  * @param       jp2                     the jpeg2000 file codec.
 197  * @param       p_manager       user event manager.
 198  */
 199 static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2,
 200   opj_stream_private_t *cio,
 201   opj_event_mgr_t * p_manager );
 202
 203 /**
 204  * Write file Index (superbox)
 205  * @param cio     the stream to write to.
 206  * @param       jp2                     the jpeg2000 file codec.
 207  * @param       p_manager       user event manager.
 208  */
 209 static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2,
 210   opj_stream_private_t *cio,
 211   opj_event_mgr_t * p_manager );
 212 #endif /* USE_JPIP */
 213
 214 /**
 215  * Reads a jpeg2000 file signature box.
 216  *
 217  * @param       p_header_data   the data contained in the signature box.
 218  * @param       jp2                             the jpeg2000 file codec.
 219  * @param       p_header_size   the size of the data contained in the signature box.
 220  * @param       p_manager               the user event manager.
 221  *
 222  * @return true if the file signature box is valid.
 223  */
 224 static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2,
 225                                 OPJ_BYTE * p_header_data,
 226                                 OPJ_UINT32 p_header_size,
 227                                 opj_event_mgr_t * p_manager);
 228
 229 /**
 230  * Writes a jpeg2000 file signature box.
 231  *
 232  * @param cio the stream to write data to.
 233  * @param       jp2                     the jpeg2000 file codec.
 234  * @param p_manager the user event manager.
 235  *
 236  * @return true if writing was successful.
 237  */
 238 static OPJ_BOOL opj_jp2_write_jp(       opj_jp2_t *jp2,
 239                                                     opj_stream_private_t *cio,
 240                                                         opj_event_mgr_t * p_manager );
 241
 242 /**
 243 Apply collected palette data
 244 @param color Collector for profile, cdef and pclr data
 245 @param image
 246 */
 247 static void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color);
 248
 249 static void opj_jp2_free_pclr(opj_jp2_color_t *color);
 250
 251 /**
 252  * Collect palette data
 253  *
 254  * @param jp2 JP2 handle
 255  * @param p_pclr_header_data    FIXME DOC
 256  * @param p_pclr_header_size    FIXME DOC
 257  * @param p_manager
 258  *
 259  * @return Returns true if successful, returns false otherwise
 260 */
 261 static OPJ_BOOL opj_jp2_read_pclr(      opj_jp2_t *jp2,
 262                                     OPJ_BYTE * p_pclr_header_data,
 263                                     OPJ_UINT32 p_pclr_header_size,
 264                                     opj_event_mgr_t * p_manager );
 265
 266 /**
 267  * Collect component mapping data
 268  *
 269  * @param jp2                 JP2 handle
 270  * @param p_cmap_header_data  FIXME DOC
 271  * @param p_cmap_header_size  FIXME DOC
 272  * @param p_manager           FIXME DOC
 273  *
 274  * @return Returns true if successful, returns false otherwise
 275 */
 276
 277 static OPJ_BOOL opj_jp2_read_cmap(      opj_jp2_t * jp2,
 278                                     OPJ_BYTE * p_cmap_header_data,
 279                                     OPJ_UINT32 p_cmap_header_size,
 280                                     opj_event_mgr_t * p_manager );
 281
 282 /**
 283  * Reads the Color Specification box.
 284  *
 285  * @param       p_colr_header_data                      pointer to actual data (already read from file)
 286  * @param       jp2                                                     the jpeg2000 file codec.
 287  * @param       p_colr_header_size                      the size of the color header
 288  * @param       p_manager                                       the user event manager.
 289  *
 290  * @return      true if the bpc header is valid, fale else.
 291 */
 292 static OPJ_BOOL opj_jp2_read_colr(  opj_jp2_t *jp2,
 293                                     OPJ_BYTE * p_colr_header_data,
 294                                     OPJ_UINT32 p_colr_header_size,
 295                                     opj_event_mgr_t * p_manager );
 296
 297 /*@}*/
 298
 299 /*@}*/
 300
 301 /**
 302  * Sets up the procedures to do on writing 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_writing (opj_jp2_t *jp2);
 306
 307 /**
 308  * Sets up the procedures to do on reading header after the codestream.
 309  * Developpers wanting to extend the library can add their own writing procedures.
 310  */
 311 static void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2);
 312
 313 /**
 314  * Reads a jpeg2000 file header structure.
 315  *
 316  * @param jp2 the jpeg2000 file header structure.
 317  * @param stream the stream to read data from.
 318  * @param p_manager the user event manager.
 319  *
 320  * @return true if the box is valid.
 321  */
 322 static OPJ_BOOL opj_jp2_read_header_procedure(  opj_jp2_t *jp2,
 323                                                 opj_stream_private_t *stream,
 324                                                 opj_event_mgr_t * p_manager );
 325
 326 /**
 327  * Excutes the given procedures on the given codec.
 328  *
 329  * @param       p_procedure_list        the list of procedures to execute
 330  * @param       jp2                                     the jpeg2000 file codec to execute the procedures on.
 331  * @param       stream                                  the stream to execute the procedures on.
 332  * @param       p_manager                       the user manager.
 333  *
 334  * @return      true                            if all the procedures were successfully executed.
 335  */
 336 static OPJ_BOOL opj_jp2_exec (  opj_jp2_t * jp2,
 337                                 opj_procedure_list_t * p_procedure_list,
 338                                 opj_stream_private_t *stream,
 339                                 opj_event_mgr_t * p_manager );
 340
 341 /**
 342  * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure.
 343  *
 344  * @param       cio                                             the input stream to read data from.
 345  * @param       box                                             the box structure to fill.
 346  * @param       p_number_bytes_read             pointer to an int that will store the number of bytes read from the stream (shoul usually be 2).
 347  * @param       p_manager                               user event manager.
 348  *
 349  * @return      true if the box is reconized, false otherwise
 350 */
 351 static OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box,
 352                                     OPJ_UINT32 * p_number_bytes_read,
 353                                     opj_stream_private_t *cio,
 354                                     opj_event_mgr_t * p_manager);
 355
 356 /**
 357  * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
 358  * are valid. Developpers wanting to extend the library can add their own validation procedures.
 359  */
 360 static void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2);
 361
 362 /**
 363  * Sets up the procedures to do on writing header. Developpers wanting to extend the library can add their own writing procedures.
 364  */
 365 static void opj_jp2_setup_header_writing (opj_jp2_t *jp2);
 366
 367 OPJ_BOOL opj_jp2_default_validation (   opj_jp2_t * jp2,
 368                                         opj_stream_private_t *cio,
 369                                         opj_event_mgr_t * p_manager );
 370
 371 /**
 372  * Finds the image execution function related to the given box id.
 373  *
 374  * @param       p_id    the id of the handler to fetch.
 375  *
 376  * @return      the given handler or NULL if it could not be found.
 377  */
 378 static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id);
 379
 380 /**
 381  * Finds the execution function related to the given box id.
 382  *
 383  * @param       p_id    the id of the handler to fetch.
 384  *
 385  * @return      the given handler or NULL if it could not be found.
 386  */
 387 static const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id );
 388
 389 const opj_jp2_header_handler_t jp2_header [] =
 390 {
 391         {JP2_JP,opj_jp2_read_jp},
 392         {JP2_FTYP,opj_jp2_read_ftyp},
 393         {JP2_JP2H,opj_jp2_read_jp2h}
 394 };
 395
 396 const opj_jp2_header_handler_t jp2_img_header [] =
 397 {
 398         {JP2_IHDR,opj_jp2_read_ihdr},
 399         {JP2_COLR,opj_jp2_read_colr},
 400         {JP2_BPCC,opj_jp2_read_bpcc},
 401         {JP2_PCLR,opj_jp2_read_pclr},
 402         {JP2_CMAP,opj_jp2_read_cmap},
 403         {JP2_CDEF,opj_jp2_read_cdef}
 404
 405 };
 406
 407 /**
 408  * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. Data is read from a character string
 409  *
 410  * @param       box                                             the box structure to fill.
 411  * @param       p_data                                  the character string to read data from.
 412  * @param       p_number_bytes_read             pointer to an int that will store the number of bytes read from the stream (shoul usually be 2).
 413  * @param       p_box_max_size                  the maximum number of bytes in the box.
 414  * @param       p_manager         FIXME DOC
 415  *
 416  * @return      true if the box is reconized, false otherwise
 417 */
 418 static OPJ_BOOL opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
 419                                             OPJ_BYTE * p_data,
 420                                             OPJ_UINT32 * p_number_bytes_read,
 421                                             OPJ_UINT32 p_box_max_size,
 422                                             opj_event_mgr_t * p_manager );
 423
 424 /**
 425  * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
 426  * are valid. Developpers wanting to extend the library can add their own validation procedures.
 427  */
 428 static void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2);
 429
 430 /**
 431  * Sets up the procedures to do on reading header.
 432  * Developpers wanting to extend the library can add their own writing procedures.
 433  */
 434 static void opj_jp2_setup_header_reading (opj_jp2_t *jp2);
 435
 436 /* ----------------------------------------------------------------------- */
 437  OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box,
 438                               OPJ_UINT32 * p_number_bytes_read,
 439                               opj_stream_private_t *cio,
 440                               opj_event_mgr_t * p_manager )
 441 {
 442         /* read header from file */
 443         OPJ_BYTE l_data_header [8];
 444
 445         /* preconditions */
 446         assert(cio != 00);
 447         assert(box != 00);
 448         assert(p_number_bytes_read != 00);
 449         assert(p_manager != 00);
 450
 451         *p_number_bytes_read = (OPJ_UINT32)opj_stream_read_data(cio,l_data_header,8,p_manager);
 452         if (*p_number_bytes_read != 8) {
 453                 return OPJ_FALSE;
 454         }
 455
 456         /* process read data */
 457         opj_read_bytes(l_data_header,&(box->length), 4);
 458         opj_read_bytes(l_data_header+4,&(box->type), 4);
 459
 460   if(box->length == 0)/* last box */
 461     {
 462     const OPJ_OFF_T bleft = opj_stream_get_number_byte_left(cio);
 463     box->length = (OPJ_UINT32)bleft;
 464     assert( (OPJ_OFF_T)box->length == bleft );
 465     return OPJ_TRUE;
 466     }
 467
 468         /* do we have a "special very large box ?" */
 469         /* read then the XLBox */
 470         if (box->length == 1) {
 471                 OPJ_UINT32 l_xl_part_size;
 472
 473                 OPJ_UINT32 l_nb_bytes_read = (OPJ_UINT32)opj_stream_read_data(cio,l_data_header,8,p_manager);
 474                 if (l_nb_bytes_read != 8) {
 475                         if (l_nb_bytes_read > 0) {
 476                                 *p_number_bytes_read += l_nb_bytes_read;
 477                         }
 478
 479                         return OPJ_FALSE;
 480                 }
 481
 482         *p_number_bytes_read = 16;
 483                 opj_read_bytes(l_data_header,&l_xl_part_size, 4);
 484                 if (l_xl_part_size != 0) {
 485                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
 486                         return OPJ_FALSE;
 487                 }
 488                 opj_read_bytes(l_data_header+4,&(box->length), 4);
 489         }
 490     return OPJ_TRUE;
 491 }
 492
 493 #if 0
 494 static void jp2_write_url(opj_cio_t *cio, char *Idx_file) {
 495         OPJ_UINT32 i;
 496         opj_jp2_box_t box;
 497
 498         box.init_pos = cio_tell(cio);
 499         cio_skip(cio, 4);
 500         cio_write(cio, JP2_URL, 4);     /* DBTL */
 501         cio_write(cio, 0, 1);           /* VERS */
 502         cio_write(cio, 0, 3);           /* FLAG */
 503
 504         if(Idx_file) {
 505                 for (i = 0; i < strlen(Idx_file); i++) {
 506                         cio_write(cio, Idx_file[i], 1);
 507                 }
 508         }
 509
 510         box.length = cio_tell(cio) - box.init_pos;
 511         cio_seek(cio, box.init_pos);
 512         cio_write(cio, box.length, 4);  /* L */
 513         cio_seek(cio, box.init_pos + box.length);
 514 }
 515 #endif
 516
 517 OPJ_BOOL opj_jp2_read_ihdr( opj_jp2_t *jp2,
 518                             OPJ_BYTE *p_image_header_data,
 519                             OPJ_UINT32 p_image_header_size,
 520                             opj_event_mgr_t * p_manager )
 521 {
 522         /* preconditions */
 523         assert(p_image_header_data != 00);
 524         assert(jp2 != 00);
 525         assert(p_manager != 00);
 526
 527         if (p_image_header_size != 14) {
 528                 opj_event_msg(p_manager, EVT_ERROR, "Bad image header box (bad size)\n");
 529                 return OPJ_FALSE;
 530         }
 531
 532         opj_read_bytes(p_image_header_data,&(jp2->h),4);                        /* HEIGHT */
 533         p_image_header_data += 4;
 534         opj_read_bytes(p_image_header_data,&(jp2->w),4);                        /* WIDTH */
 535         p_image_header_data += 4;
 536         opj_read_bytes(p_image_header_data,&(jp2->numcomps),2);         /* NC */
 537         p_image_header_data += 2;
 538
 539         /* allocate memory for components */
 540         jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t));
 541         if (jp2->comps == 0) {
 542                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle image header (ihdr)\n");
 543                 return OPJ_FALSE;
 544         }
 545         memset(jp2->comps,0,jp2->numcomps * sizeof(opj_jp2_comps_t));
 546
 547         opj_read_bytes(p_image_header_data,&(jp2->bpc),1);                      /* BPC */
 548         ++ p_image_header_data;
 549
 550         opj_read_bytes(p_image_header_data,&(jp2->C),1);                        /* C */
 551         ++ p_image_header_data;
 552
 553         /* Should be equal to 7 cf. chapter about image header box of the norm */
 554         if (jp2->C != 7){
 555                 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);
 556         }
 557
 558         opj_read_bytes(p_image_header_data,&(jp2->UnkC),1);                     /* UnkC */
 559         ++ p_image_header_data;
 560         opj_read_bytes(p_image_header_data,&(jp2->IPR),1);                      /* IPR */
 561         ++ p_image_header_data;
 562
 563         return OPJ_TRUE;
 564 }
 565
 566 OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2,
 567                               OPJ_UINT32 * p_nb_bytes_written
 568                               )
 569 {
 570         OPJ_BYTE * l_ihdr_data,* l_current_ihdr_ptr;
 571
 572         /* preconditions */
 573         assert(jp2 != 00);
 574         assert(p_nb_bytes_written != 00);
 575
 576         /* default image header is 22 bytes wide */
 577         l_ihdr_data = (OPJ_BYTE *) opj_malloc(22);
 578         if (l_ihdr_data == 00) {
 579                 return 00;
 580         }
 581         memset(l_ihdr_data,0,22);
 582
 583         l_current_ihdr_ptr = l_ihdr_data;
 584
 585         opj_write_bytes(l_current_ihdr_ptr,22,4);                               /* write box size */
 586         l_current_ihdr_ptr+=4;
 587
 588         opj_write_bytes(l_current_ihdr_ptr,JP2_IHDR, 4);                /* IHDR */
 589         l_current_ihdr_ptr+=4;
 590
 591         opj_write_bytes(l_current_ihdr_ptr,jp2->h, 4);          /* HEIGHT */
 592         l_current_ihdr_ptr+=4;
 593
 594         opj_write_bytes(l_current_ihdr_ptr, jp2->w, 4);         /* WIDTH */
 595         l_current_ihdr_ptr+=4;
 596
 597         opj_write_bytes(l_current_ihdr_ptr, jp2->numcomps, 2);          /* NC */
 598         l_current_ihdr_ptr+=2;
 599
 600         opj_write_bytes(l_current_ihdr_ptr, jp2->bpc, 1);               /* BPC */
 601         ++l_current_ihdr_ptr;
 602
 603         opj_write_bytes(l_current_ihdr_ptr, jp2->C, 1);         /* C : Always 7 */
 604         ++l_current_ihdr_ptr;
 605
 606         opj_write_bytes(l_current_ihdr_ptr, jp2->UnkC, 1);              /* UnkC, colorspace unknown */
 607         ++l_current_ihdr_ptr;
 608
 609         opj_write_bytes(l_current_ihdr_ptr, jp2->IPR, 1);               /* IPR, no intellectual property */
 610         ++l_current_ihdr_ptr;
 611
 612         *p_nb_bytes_written = 22;
 613
 614         return l_ihdr_data;
 615 }
 616
 617 OPJ_BYTE * opj_jp2_write_bpcc(  opj_jp2_t *jp2,
 618                                                         OPJ_UINT32 * p_nb_bytes_written
 619                                 )
 620 {
 621         OPJ_UINT32 i;
 622         /* room for 8 bytes for box and 1 byte for each component */
 623         OPJ_UINT32 l_bpcc_size = 8 + jp2->numcomps;
 624         OPJ_BYTE * l_bpcc_data,* l_current_bpcc_ptr;
 625
 626         /* preconditions */
 627         assert(jp2 != 00);
 628         assert(p_nb_bytes_written != 00);
 629
 630         l_bpcc_data = (OPJ_BYTE *) opj_malloc(l_bpcc_size);
 631         if (l_bpcc_data == 00) {
 632                 return 00;
 633         }
 634         memset(l_bpcc_data,0,l_bpcc_size);
 635
 636         l_current_bpcc_ptr = l_bpcc_data;
 637
 638         opj_write_bytes(l_current_bpcc_ptr,l_bpcc_size,4);                              /* write box size */
 639         l_current_bpcc_ptr += 4;
 640
 641         opj_write_bytes(l_current_bpcc_ptr,JP2_BPCC,4);                                 /* BPCC */
 642         l_current_bpcc_ptr += 4;
 643
 644         for (i = 0; i < jp2->numcomps; ++i)  {
 645                 opj_write_bytes(l_current_bpcc_ptr, jp2->comps[i].bpcc, 1); /* write each component information */
 646                 ++l_current_bpcc_ptr;
 647         }
 648
 649         *p_nb_bytes_written = l_bpcc_size;
 650
 651         return l_bpcc_data;
 652 }
 653
 654 OPJ_BOOL opj_jp2_read_bpcc( opj_jp2_t *jp2,
 655                             OPJ_BYTE * p_bpc_header_data,
 656                             OPJ_UINT32 p_bpc_header_size,
 657                             opj_event_mgr_t * p_manager
 658                             )
 659 {
 660         OPJ_UINT32 i;
 661
 662         /* preconditions */
 663         assert(p_bpc_header_data != 00);
 664         assert(jp2 != 00);
 665         assert(p_manager != 00);
 666
 667
 668         if (jp2->bpc != 255 ){
 669                 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);
 670         }
 671
 672         /* and length is relevant */
 673         if (p_bpc_header_size != jp2->numcomps) {
 674                 opj_event_msg(p_manager, EVT_ERROR, "Bad BPCC header box (bad size)\n");
 675                 return OPJ_FALSE;
 676         }
 677
 678         /* read info for each component */
 679         for (i = 0; i < jp2->numcomps; ++i) {
 680                 opj_read_bytes(p_bpc_header_data,&jp2->comps[i].bpcc ,1);       /* read each BPCC component */
 681                 ++p_bpc_header_data;
 682         }
 683
 684         return OPJ_TRUE;
 685 }
 686
 687 OPJ_BYTE * opj_jp2_write_colr(  opj_jp2_t *jp2,
 688                                                             OPJ_UINT32 * p_nb_bytes_written
 689                                 )
 690 {
 691         /* room for 8 bytes for box 3 for common data and variable upon profile*/
 692         OPJ_UINT32 l_colr_size = 11;
 693         OPJ_BYTE * l_colr_data,* l_current_colr_ptr;
 694
 695         /* preconditions */
 696         assert(jp2 != 00);
 697         assert(p_nb_bytes_written != 00);
 698     assert(jp2->meth == 1 || jp2->meth == 2);
 699
 700         switch (jp2->meth) {
 701                 case 1 :
 702                         l_colr_size += 4; /* EnumCS */
 703                         break;
 704                 case 2 :
 705             assert(jp2->color.icc_profile_len); /* ICC profile */
 706             l_colr_size += jp2->color.icc_profile_len;
 707                         break;
 708                 default :
 709                         return 00;
 710         }
 711
 712         l_colr_data = (OPJ_BYTE *) opj_malloc(l_colr_size);
 713         if (l_colr_data == 00) {
 714                 return 00;
 715         }
 716         memset(l_colr_data,0,l_colr_size);
 717
 718         l_current_colr_ptr = l_colr_data;
 719
 720         opj_write_bytes(l_current_colr_ptr,l_colr_size,4);                              /* write box size */
 721         l_current_colr_ptr += 4;
 722
 723         opj_write_bytes(l_current_colr_ptr,JP2_COLR,4);                                 /* BPCC */
 724         l_current_colr_ptr += 4;
 725
 726         opj_write_bytes(l_current_colr_ptr, jp2->meth,1);                               /* METH */
 727         ++l_current_colr_ptr;
 728
 729         opj_write_bytes(l_current_colr_ptr, jp2->precedence,1);                 /* PRECEDENCE */
 730         ++l_current_colr_ptr;
 731
 732         opj_write_bytes(l_current_colr_ptr, jp2->approx,1);                             /* APPROX */
 733         ++l_current_colr_ptr;
 734
 735         if (jp2->meth == 1) { /* Meth value is restricted to 1 or 2 (Table I.9 of part 1) */
 736         opj_write_bytes(l_current_colr_ptr, jp2->enumcs,4); }       /* EnumCS */
 737     else {
 738         if (jp2->meth == 2) {                                      /* ICC profile */
 739             OPJ_UINT32 i;
 740             for(i = 0; i < jp2->color.icc_profile_len; ++i) {
 741                 opj_write_bytes(l_current_colr_ptr, jp2->color.icc_profile_buf[i], 1);
 742                 ++l_current_colr_ptr;
 743             }
 744         }
 745         }
 746
 747         *p_nb_bytes_written = l_colr_size;
 748
 749         return l_colr_data;
 750 }
 751
 752 void opj_jp2_free_pclr(opj_jp2_color_t *color)
 753 {
 754     opj_free(color->jp2_pclr->channel_sign);
 755     opj_free(color->jp2_pclr->channel_size);
 756     opj_free(color->jp2_pclr->entries);
 757
 758         if(color->jp2_pclr->cmap) opj_free(color->jp2_pclr->cmap);
 759
 760     opj_free(color->jp2_pclr); color->jp2_pclr = NULL;
 761 }
 762
 763 static OPJ_BOOL opj_jp2_check_color(opj_image_t *image, opj_jp2_color_t *color, opj_event_mgr_t *p_manager)
 764 {
 765         OPJ_UINT16 i;
 766
 767         /* testcase 4149.pdf.SIGSEGV.cf7.3501 */
 768         if (color->jp2_cdef) {
 769                 opj_jp2_cdef_info_t *info = color->jp2_cdef->info;
 770                 OPJ_UINT16 n = color->jp2_cdef->n;
 771
 772                 for (i = 0; i < n; i++) {
 773                         if (info[i].cn >= image->numcomps) {
 774                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].cn, image->numcomps);
 775                                 return OPJ_FALSE;
 776                         }
 777                         if (info[i].asoc > 0 && (OPJ_UINT32)(info[i].asoc - 1) >= image->numcomps) {
 778                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].asoc - 1, image->numcomps);
 779                                 return OPJ_FALSE;
 780                         }
 781                 }
 782         }
 783
 784         /* testcases 451.pdf.SIGSEGV.f4c.3723, 451.pdf.SIGSEGV.5b5.3723 and
 785            66ea31acbb0f23a2bbc91f64d69a03f5_signal_sigsegv_13937c0_7030_5725.pdf */
 786         if (color->jp2_pclr && color->jp2_pclr->cmap) {
 787                 OPJ_UINT16 nr_channels = color->jp2_pclr->nr_channels;
 788                 opj_jp2_cmap_comp_t *cmap = color->jp2_pclr->cmap;
 789                 OPJ_BOOL *pcol_usage, is_sane = OPJ_TRUE;
 790
 791                 /* verify that all original components match an existing one */
 792                 for (i = 0; i < nr_channels; i++) {
 793                         if (cmap[i].cmp >= image->numcomps) {
 794                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", cmap[i].cmp, image->numcomps);
 795                                 is_sane = OPJ_FALSE;
 796                         }
 797                 }
 798
 799                 pcol_usage = opj_calloc(nr_channels, sizeof(OPJ_BOOL));
 800                 if (!pcol_usage) {
 801                         opj_event_msg(p_manager, EVT_ERROR, "Unexpected OOM.\n");
 802                         return OPJ_FALSE;
 803                 }
 804                 /* verify that no component is targeted more than once */
 805                 for (i = 0; i < nr_channels; i++) {
 806       OPJ_UINT16 pcol = cmap[i].pcol;
 807       assert(cmap[i].mtyp == 0 || cmap[i].mtyp == 1);
 808                         if (pcol >= nr_channels) {
 809                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component/palette index for direct mapping %d.\n", pcol);
 810                                 is_sane = OPJ_FALSE;
 811                         }
 812                         else if (pcol_usage[pcol] && cmap[i].mtyp == 1) {
 813                                 opj_event_msg(p_manager, EVT_ERROR, "Component %d is mapped twice.\n", pcol);
 814                                 is_sane = OPJ_FALSE;
 815                         }
 816       else if (cmap[i].mtyp == 0 && cmap[i].pcol != 0) {
 817         /* I.5.3.5 PCOL: If the value of the MTYP field for this channel is 0, then
 818          * the value of this field shall be 0. */
 819                                 opj_event_msg(p_manager, EVT_ERROR, "Direct use at #%d however pcol=%d.\n", i, pcol);
 820                                 is_sane = OPJ_FALSE;
 821       }
 822                         else
 823                                 pcol_usage[pcol] = OPJ_TRUE;
 824                 }
 825                 /* verify that all components are targeted at least once */
 826                 for (i = 0; i < nr_channels; i++) {
 827                         if (!pcol_usage[i] && cmap[i].mtyp != 0) {
 828                                 opj_event_msg(p_manager, EVT_ERROR, "Component %d doesn't have a mapping.\n", i);
 829                                 is_sane = OPJ_FALSE;
 830                         }
 831                 }
 832                 opj_free(pcol_usage);
 833                 if (!is_sane) {
 834                         return OPJ_FALSE;
 835                 }
 836         }
 837
 838         return OPJ_TRUE;
 839 }
 840
 841 /* file9.jp2 */
 842 void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color)
 843 {
 844         opj_image_comp_t *old_comps, *new_comps;
 845         OPJ_BYTE *channel_size, *channel_sign;
 846         OPJ_UINT32 *entries;
 847         opj_jp2_cmap_comp_t *cmap;
 848         OPJ_INT32 *src, *dst;
 849         OPJ_UINT32 j, max;
 850         OPJ_UINT16 i, nr_channels, cmp, pcol;
 851         OPJ_INT32 k, top_k;
 852
 853         channel_size = color->jp2_pclr->channel_size;
 854         channel_sign = color->jp2_pclr->channel_sign;
 855         entries = color->jp2_pclr->entries;
 856         cmap = color->jp2_pclr->cmap;
 857         nr_channels = color->jp2_pclr->nr_channels;
 858
 859         old_comps = image->comps;
 860         new_comps = (opj_image_comp_t*)
 861                         opj_malloc(nr_channels * sizeof(opj_image_comp_t));
 862
 863         for(i = 0; i < nr_channels; ++i) {
 864                 pcol = cmap[i].pcol; cmp = cmap[i].cmp;
 865
 866                 /* Direct use */
 867     if(cmap[i].mtyp == 0){
 868       assert( pcol == 0 );
 869       new_comps[i] = old_comps[cmp];
 870     } else {
 871       assert( i == pcol );
 872       new_comps[pcol] = old_comps[cmp];
 873     }
 874
 875                 /* Palette mapping: */
 876                 new_comps[i].data = (OPJ_INT32*)
 877                                 opj_malloc(old_comps[cmp].w * old_comps[cmp].h * sizeof(OPJ_INT32));
 878                 new_comps[i].prec = channel_size[i];
 879                 new_comps[i].sgnd = channel_sign[i];
 880         }
 881
 882         top_k = color->jp2_pclr->nr_entries - 1;
 883
 884         for(i = 0; i < nr_channels; ++i) {
 885                 /* Palette mapping: */
 886                 cmp = cmap[i].cmp; pcol = cmap[i].pcol;
 887                 src = old_comps[cmp].data;
 888     assert( src );
 889                 max = new_comps[pcol].w * new_comps[pcol].h;
 890
 891                 /* Direct use: */
 892     if(cmap[i].mtyp == 0) {
 893       assert( cmp == 0 );
 894       dst = new_comps[i].data;
 895       assert( dst );
 896       for(j = 0; j < max; ++j) {
 897         dst[j] = src[j];
 898       }
 899     }
 900     else {
 901       assert( i == pcol );
 902       dst = new_comps[pcol].data;
 903       assert( dst );
 904       for(j = 0; j < max; ++j) {
 905         /* The index */
 906         if((k = src[j]) < 0) k = 0; else if(k > top_k) k = top_k;
 907
 908         /* The colour */
 909         dst[j] = (OPJ_INT32)entries[k * nr_channels + pcol];
 910         }
 911     }
 912         }
 913
 914         max = image->numcomps;
 915         for(i = 0; i < max; ++i) {
 916                 if(old_comps[i].data) opj_free(old_comps[i].data);
 917         }
 918
 919         opj_free(old_comps);
 920         image->comps = new_comps;
 921         image->numcomps = nr_channels;
 922
 923         opj_jp2_free_pclr(color);
 924
 925 }/* apply_pclr() */
 926
 927 OPJ_BOOL opj_jp2_read_pclr(     opj_jp2_t *jp2,
 928                             OPJ_BYTE * p_pclr_header_data,
 929                             OPJ_UINT32 p_pclr_header_size,
 930                             opj_event_mgr_t * p_manager
 931                             )
 932 {
 933         opj_jp2_pclr_t *jp2_pclr;
 934         OPJ_BYTE *channel_size, *channel_sign;
 935         OPJ_UINT32 *entries;
 936         OPJ_UINT16 nr_entries,nr_channels;
 937         OPJ_UINT16 i, j;
 938         OPJ_UINT32 l_value;
 939         OPJ_BYTE *orig_header_data = p_pclr_header_data;
 940
 941         /* preconditions */
 942         assert(p_pclr_header_data != 00);
 943         assert(jp2 != 00);
 944         assert(p_manager != 00);
 945     (void)p_pclr_header_size;
 946
 947         if(jp2->color.jp2_pclr)
 948                 return OPJ_FALSE;
 949
 950         if (p_pclr_header_size < 3)
 951                 return OPJ_FALSE;
 952
 953         opj_read_bytes(p_pclr_header_data, &l_value , 2);       /* NE */
 954         p_pclr_header_data += 2;
 955         nr_entries = (OPJ_UINT16) l_value;
 956
 957         opj_read_bytes(p_pclr_header_data, &l_value , 1);       /* NPC */
 958         ++p_pclr_header_data;
 959         nr_channels = (OPJ_UINT16) l_value;
 960
 961         if (p_pclr_header_size < 3 + (OPJ_UINT32)nr_channels || nr_channels == 0 || nr_entries >= (OPJ_UINT32)-1 / nr_channels)
 962                 return OPJ_FALSE;
 963
 964         entries = (OPJ_UINT32*) opj_malloc((size_t)nr_channels * nr_entries * sizeof(OPJ_UINT32));
 965     if (!entries)
 966         return OPJ_FALSE;
 967         channel_size = (OPJ_BYTE*) opj_malloc(nr_channels);
 968     if (!channel_size)
 969     {
 970         opj_free(entries);
 971         return OPJ_FALSE;
 972     }
 973         channel_sign = (OPJ_BYTE*) opj_malloc(nr_channels);
 974         if (!channel_sign)
 975         {
 976         opj_free(entries);
 977         opj_free(channel_size);
 978         return OPJ_FALSE;
 979         }
 980
 981         jp2_pclr = (opj_jp2_pclr_t*)opj_malloc(sizeof(opj_jp2_pclr_t));
 982     if (!jp2_pclr)
 983     {
 984         opj_free(entries);
 985         opj_free(channel_size);
 986         opj_free(channel_sign);
 987         return OPJ_FALSE;
 988     }
 989
 990         jp2_pclr->channel_sign = channel_sign;
 991         jp2_pclr->channel_size = channel_size;
 992         jp2_pclr->entries = entries;
 993         jp2_pclr->nr_entries = nr_entries;
 994         jp2_pclr->nr_channels = (OPJ_BYTE) l_value;
 995         jp2_pclr->cmap = NULL;
 996
 997         jp2->color.jp2_pclr = jp2_pclr;
 998
 999         for(i = 0; i < nr_channels; ++i) {
1000                 opj_read_bytes(p_pclr_header_data, &l_value , 1);       /* Bi */
1001                 ++p_pclr_header_data;
1002
1003                 channel_size[i] = (OPJ_BYTE)((l_value & 0x7f) + 1);
1004                 channel_sign[i] = (l_value & 0x80) ? 1 : 0;
1005         }
1006
1007         for(j = 0; j < nr_entries; ++j) {
1008                 for(i = 0; i < nr_channels; ++i) {
1009                         OPJ_UINT32 bytes_to_read = (OPJ_UINT32)((channel_size[i]+7)>>3);
1010
1011                         if (bytes_to_read > sizeof(OPJ_UINT32))
1012                                 bytes_to_read = sizeof(OPJ_UINT32);
1013                         if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + (ptrdiff_t)bytes_to_read)
1014                                 return OPJ_FALSE;
1015
1016                         opj_read_bytes(p_pclr_header_data, &l_value , bytes_to_read);   /* Cji */
1017                         p_pclr_header_data += bytes_to_read;
1018                         *entries = (OPJ_UINT32) l_value;
1019                         entries++;
1020                 }
1021         }
1022
1023         return OPJ_TRUE;
1024 }
1025
1026 OPJ_BOOL opj_jp2_read_cmap(     opj_jp2_t * jp2,
1027                             OPJ_BYTE * p_cmap_header_data,
1028                             OPJ_UINT32 p_cmap_header_size,
1029                             opj_event_mgr_t * p_manager
1030                             )
1031 {
1032         opj_jp2_cmap_comp_t *cmap;
1033         OPJ_BYTE i, nr_channels;
1034         OPJ_UINT32 l_value;
1035
1036         /* preconditions */
1037         assert(jp2 != 00);
1038         assert(p_cmap_header_data != 00);
1039         assert(p_manager != 00);
1040     (void)p_cmap_header_size;
1041
1042         /* Need nr_channels: */
1043         if(jp2->color.jp2_pclr == NULL) {
1044                 opj_event_msg(p_manager, EVT_ERROR, "Need to read a PCLR box before the CMAP box.\n");
1045                 return OPJ_FALSE;
1046         }
1047
1048         /* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box
1049          * inside a JP2 Header box' :
1050         */
1051         if(jp2->color.jp2_pclr->cmap) {
1052                 opj_event_msg(p_manager, EVT_ERROR, "Only one CMAP box is allowed.\n");
1053                 return OPJ_FALSE;
1054         }
1055
1056         nr_channels = jp2->color.jp2_pclr->nr_channels;
1057         if (p_cmap_header_size < (OPJ_UINT32)nr_channels * 4) {
1058                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CMAP box.\n");
1059                 return OPJ_FALSE;
1060         }
1061
1062         cmap = (opj_jp2_cmap_comp_t*) opj_malloc(nr_channels * sizeof(opj_jp2_cmap_comp_t));
1063     if (!cmap)
1064         return OPJ_FALSE;
1065
1066
1067         for(i = 0; i < nr_channels; ++i) {
1068                 opj_read_bytes(p_cmap_header_data, &l_value, 2);                        /* CMP^i */
1069                 p_cmap_header_data +=2;
1070                 cmap[i].cmp = (OPJ_UINT16) l_value;
1071
1072                 opj_read_bytes(p_cmap_header_data, &l_value, 1);                        /* MTYP^i */
1073                 ++p_cmap_header_data;
1074                 cmap[i].mtyp = (OPJ_BYTE) l_value;
1075
1076                 opj_read_bytes(p_cmap_header_data, &l_value, 1);                        /* PCOL^i */
1077                 ++p_cmap_header_data;
1078                 cmap[i].pcol = (OPJ_BYTE) l_value;
1079         }
1080
1081         jp2->color.jp2_pclr->cmap = cmap;
1082
1083         return OPJ_TRUE;
1084 }
1085
1086 void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color)
1087 {
1088         opj_jp2_cdef_info_t *info;
1089         OPJ_UINT16 i, n, cn, asoc, acn;
1090
1091         info = color->jp2_cdef->info;
1092         n = color->jp2_cdef->n;
1093
1094   for(i = 0; i < n; ++i)
1095     {
1096     /* WATCH: acn = asoc - 1 ! */
1097     asoc = info[i].asoc;
1098     if(asoc == 0 || asoc == 65535)
1099       {
1100       if (i < image->numcomps)
1101         image->comps[i].alpha = info[i].typ;
1102       continue;
1103       }
1104
1105     cn = info[i].cn;
1106     acn = (OPJ_UINT16)(asoc - 1);
1107     if( cn >= image->numcomps || acn >= image->numcomps )
1108       {
1109       fprintf(stderr, "cn=%d, acn=%d, numcomps=%d\n", cn, acn, image->numcomps);
1110       continue;
1111       }
1112
1113                 if(cn != acn)
1114                 {
1115                         opj_image_comp_t saved;
1116
1117                         memcpy(&saved, &image->comps[cn], sizeof(opj_image_comp_t));
1118                         memcpy(&image->comps[cn], &image->comps[acn], sizeof(opj_image_comp_t));
1119                         memcpy(&image->comps[acn], &saved, sizeof(opj_image_comp_t));
1120
1121                         info[i].asoc = (OPJ_UINT16)(cn + 1);
1122                         info[acn].asoc = (OPJ_UINT16)(info[acn].cn + 1);
1123                 }
1124
1125                 image->comps[cn].alpha = info[i].typ;
1126         }
1127
1128         if(color->jp2_cdef->info) opj_free(color->jp2_cdef->info);
1129
1130         opj_free(color->jp2_cdef); color->jp2_cdef = NULL;
1131
1132 }/* jp2_apply_cdef() */
1133
1134 OPJ_BOOL opj_jp2_read_cdef(     opj_jp2_t * jp2,
1135                             OPJ_BYTE * p_cdef_header_data,
1136                                                         OPJ_UINT32 p_cdef_header_size,
1137                                                         opj_event_mgr_t * p_manager
1138                             )
1139 {
1140         opj_jp2_cdef_info_t *cdef_info;
1141         OPJ_UINT16 i;
1142         OPJ_UINT32 l_value;
1143
1144         /* preconditions */
1145         assert(jp2 != 00);
1146         assert(p_cdef_header_data != 00);
1147         assert(p_manager != 00);
1148     (void)p_cdef_header_size;
1149
1150         /* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box
1151          * inside a JP2 Header box.'*/
1152         if(jp2->color.jp2_cdef) return OPJ_FALSE;
1153
1154         if (p_cdef_header_size < 2) {
1155                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1156                 return OPJ_FALSE;
1157         }
1158
1159         opj_read_bytes(p_cdef_header_data,&l_value ,2);                 /* N */
1160         p_cdef_header_data+= 2;
1161
1162         if ( (OPJ_UINT16)l_value == 0){ /* szukw000: FIXME */
1163                 opj_event_msg(p_manager, EVT_ERROR, "Number of channel description is equal to zero in CDEF box.\n");
1164                 return OPJ_FALSE;
1165         }
1166
1167         if (p_cdef_header_size < 2 + (OPJ_UINT32)(OPJ_UINT16)l_value * 6) {
1168                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1169                 return OPJ_FALSE;
1170         }
1171
1172         cdef_info = (opj_jp2_cdef_info_t*) opj_malloc(l_value * sizeof(opj_jp2_cdef_info_t));
1173     if (!cdef_info)
1174         return OPJ_FALSE;
1175
1176         jp2->color.jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t));
1177     if(!jp2->color.jp2_cdef)
1178     {
1179         opj_free(cdef_info);
1180         return OPJ_FALSE;
1181     }
1182         jp2->color.jp2_cdef->info = cdef_info;
1183         jp2->color.jp2_cdef->n = (OPJ_UINT16) l_value;
1184
1185         for(i = 0; i < jp2->color.jp2_cdef->n; ++i) {
1186                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Cn^i */
1187                 p_cdef_header_data +=2;
1188                 cdef_info[i].cn = (OPJ_UINT16) l_value;
1189
1190                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Typ^i */
1191                 p_cdef_header_data +=2;
1192                 cdef_info[i].typ = (OPJ_UINT16) l_value;
1193
1194                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Asoc^i */
1195                 p_cdef_header_data +=2;
1196                 cdef_info[i].asoc = (OPJ_UINT16) l_value;
1197    }
1198
1199         return OPJ_TRUE;
1200 }
1201
1202 OPJ_BOOL opj_jp2_read_colr( opj_jp2_t *jp2,
1203                             OPJ_BYTE * p_colr_header_data,
1204                             OPJ_UINT32 p_colr_header_size,
1205                             opj_event_mgr_t * p_manager
1206                             )
1207 {
1208         OPJ_UINT32 l_value;
1209
1210         /* preconditions */
1211         assert(jp2 != 00);
1212         assert(p_colr_header_data != 00);
1213         assert(p_manager != 00);
1214
1215         if (p_colr_header_size < 3) {
1216                 opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size)\n");
1217                 return OPJ_FALSE;
1218         }
1219
1220         /* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour
1221          * Specification boxes after the first.'
1222         */
1223         if(jp2->color.jp2_has_colr) {
1224                 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");
1225                 p_colr_header_data += p_colr_header_size;
1226                 return OPJ_TRUE;
1227         }
1228
1229         opj_read_bytes(p_colr_header_data,&jp2->meth ,1);                       /* METH */
1230         ++p_colr_header_data;
1231
1232         opj_read_bytes(p_colr_header_data,&jp2->precedence ,1);         /* PRECEDENCE */
1233         ++p_colr_header_data;
1234
1235         opj_read_bytes(p_colr_header_data,&jp2->approx ,1);                     /* APPROX */
1236         ++p_colr_header_data;
1237
1238         if (jp2->meth == 1) {
1239                 if (p_colr_header_size < 7) {
1240                         opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size: %d)\n", p_colr_header_size);
1241                         return OPJ_FALSE;
1242                 }
1243                 if (p_colr_header_size > 7) {
1244                         /* testcase Altona_Technical_v20_x4.pdf */
1245                         opj_event_msg(p_manager, EVT_WARNING, "Bad COLR header box (bad size: %d)\n", p_colr_header_size);
1246                 }
1247
1248                 opj_read_bytes(p_colr_header_data,&jp2->enumcs ,4);                     /* EnumCS */
1249
1250         jp2->color.jp2_has_colr = 1;
1251         }
1252         else if (jp2->meth == 2) {
1253                 /* ICC profile */
1254                 OPJ_INT32 it_icc_value = 0;
1255                 OPJ_INT32 icc_len = (OPJ_INT32)p_colr_header_size - 3;
1256
1257                 jp2->color.icc_profile_len = (OPJ_UINT32)icc_len;
1258                 jp2->color.icc_profile_buf = (OPJ_BYTE*) opj_malloc((size_t)icc_len);
1259         if (!jp2->color.icc_profile_buf)
1260         {
1261             jp2->color.icc_profile_len = 0;
1262             return OPJ_FALSE;
1263         }
1264                 memset(jp2->color.icc_profile_buf, 0, (size_t)icc_len * sizeof(OPJ_BYTE));
1265
1266                 for (it_icc_value = 0; it_icc_value < icc_len; ++it_icc_value)
1267                 {
1268                         opj_read_bytes(p_colr_header_data,&l_value,1);          /* icc values */
1269                         ++p_colr_header_data;
1270                         jp2->color.icc_profile_buf[it_icc_value] = (OPJ_BYTE) l_value;
1271                 }
1272
1273         jp2->color.jp2_has_colr = 1;
1274         }
1275         else if (jp2->meth > 2)
1276     {
1277         /*      ISO/IEC 15444-1:2004 (E), Table I.9 � Legal METH values:
1278         conforming JP2 reader shall ignore the entire Colour Specification box.*/
1279         opj_event_msg(p_manager, EVT_INFO, "COLR BOX meth value is not a regular value (%d), "
1280             "so we will ignore the entire Colour Specification box. \n", jp2->meth);
1281     }
1282     return OPJ_TRUE;
1283 }
1284
1285 OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2,
1286                         opj_stream_private_t *p_stream,
1287                         opj_image_t* p_image,
1288                         opj_event_mgr_t * p_manager)
1289 {
1290         if (!p_image)
1291                 return OPJ_FALSE;
1292
1293         /* J2K decoding */
1294         if( ! opj_j2k_decode(jp2->j2k, p_stream, p_image, p_manager) ) {
1295                 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
1296                 return OPJ_FALSE;
1297         }
1298
1299     if (!jp2->ignore_pclr_cmap_cdef){
1300             if (!opj_jp2_check_color(p_image, &(jp2->color), p_manager)) {
1301                     return OPJ_FALSE;
1302             }
1303
1304             /* Set Image Color Space */
1305             if (jp2->enumcs == 16)
1306                     p_image->color_space = OPJ_CLRSPC_SRGB;
1307             else if (jp2->enumcs == 17)
1308                     p_image->color_space = OPJ_CLRSPC_GRAY;
1309             else if (jp2->enumcs == 18)
1310                     p_image->color_space = OPJ_CLRSPC_SYCC;
1311             else if (jp2->enumcs == 24)
1312                     p_image->color_space = OPJ_CLRSPC_EYCC;
1313             else
1314                     p_image->color_space = OPJ_CLRSPC_UNKNOWN;
1315
1316             /* Apply the color space if needed */
1317             if(jp2->color.jp2_cdef) {
1318                     opj_jp2_apply_cdef(p_image, &(jp2->color));
1319             }
1320
1321             if(jp2->color.jp2_pclr) {
1322                     /* Part 1, I.5.3.4: Either both or none : */
1323                     if( !jp2->color.jp2_pclr->cmap)
1324                             opj_jp2_free_pclr(&(jp2->color));
1325                     else
1326                             opj_jp2_apply_pclr(p_image, &(jp2->color));
1327             }
1328
1329             if(jp2->color.icc_profile_buf) {
1330                     p_image->icc_profile_buf = jp2->color.icc_profile_buf;
1331                     p_image->icc_profile_len = jp2->color.icc_profile_len;
1332                     jp2->color.icc_profile_buf = NULL;
1333             }
1334     }
1335
1336         return OPJ_TRUE;
1337 }
1338
1339 OPJ_BOOL opj_jp2_write_jp2h(opj_jp2_t *jp2,
1340                             opj_stream_private_t *stream,
1341                             opj_event_mgr_t * p_manager
1342                             )
1343 {
1344         opj_jp2_img_header_writer_handler_t l_writers [3];
1345         opj_jp2_img_header_writer_handler_t * l_current_writer;
1346
1347         OPJ_INT32 i, l_nb_pass;
1348         /* size of data for super box*/
1349         OPJ_UINT32 l_jp2h_size = 8;
1350         OPJ_BOOL l_result = OPJ_TRUE;
1351
1352         /* to store the data of the super box */
1353         OPJ_BYTE l_jp2h_data [8];
1354
1355         /* preconditions */
1356         assert(stream != 00);
1357         assert(jp2 != 00);
1358         assert(p_manager != 00);
1359
1360         memset(l_writers,0,sizeof(l_writers));
1361
1362         if (jp2->bpc == 255) {
1363                 l_nb_pass = 3;
1364                 l_writers[0].handler = opj_jp2_write_ihdr;
1365                 l_writers[1].handler = opj_jp2_write_bpcc;
1366                 l_writers[2].handler = opj_jp2_write_colr;
1367         }
1368         else {
1369                 l_nb_pass = 2;
1370                 l_writers[0].handler = opj_jp2_write_ihdr;
1371                 l_writers[1].handler = opj_jp2_write_colr;
1372         }
1373
1374         /* write box header */
1375         /* write JP2H type */
1376         opj_write_bytes(l_jp2h_data+4,JP2_JP2H,4);
1377
1378         l_current_writer = l_writers;
1379         for (i=0;i<l_nb_pass;++i) {
1380                 l_current_writer->m_data = l_current_writer->handler(jp2,&(l_current_writer->m_size));
1381                 if (l_current_writer->m_data == 00) {
1382                         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to hold JP2 Header data\n");
1383                         l_result = OPJ_FALSE;
1384                         break;
1385                 }
1386
1387                 l_jp2h_size += l_current_writer->m_size;
1388                 ++l_current_writer;
1389         }
1390
1391         if (! l_result) {
1392                 l_current_writer = l_writers;
1393                 for (i=0;i<l_nb_pass;++i) {
1394                         if (l_current_writer->m_data != 00) {
1395                                 opj_free(l_current_writer->m_data );
1396                         }
1397                         ++l_current_writer;
1398                 }
1399
1400                 return OPJ_FALSE;
1401         }
1402
1403         /* write super box size */
1404         opj_write_bytes(l_jp2h_data,l_jp2h_size,4);
1405
1406         /* write super box data on stream */
1407         if (opj_stream_write_data(stream,l_jp2h_data,8,p_manager) != 8) {
1408                 opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
1409                 l_result = OPJ_FALSE;
1410         }
1411
1412         if (l_result) {
1413                 l_current_writer = l_writers;
1414                 for (i=0;i<l_nb_pass;++i) {
1415                         if (opj_stream_write_data(stream,l_current_writer->m_data,l_current_writer->m_size,p_manager) != l_current_writer->m_size) {
1416                                 opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
1417                                 l_result = OPJ_FALSE;
1418                                 break;
1419                         }
1420                         ++l_current_writer;
1421                 }
1422         }
1423
1424         l_current_writer = l_writers;
1425
1426         /* cleanup */
1427         for (i=0;i<l_nb_pass;++i) {
1428                 if (l_current_writer->m_data != 00) {
1429                         opj_free(l_current_writer->m_data );
1430                 }
1431                 ++l_current_writer;
1432         }
1433
1434         return l_result;
1435 }
1436
1437 OPJ_BOOL opj_jp2_write_ftyp(opj_jp2_t *jp2,
1438                                                         opj_stream_private_t *cio,
1439                                                         opj_event_mgr_t * p_manager )
1440 {
1441         OPJ_UINT32 i;
1442         OPJ_UINT32 l_ftyp_size = 16 + 4 * jp2->numcl;
1443         OPJ_BYTE * l_ftyp_data, * l_current_data_ptr;
1444         OPJ_BOOL l_result;
1445
1446         /* preconditions */
1447         assert(cio != 00);
1448         assert(jp2 != 00);
1449         assert(p_manager != 00);
1450
1451         l_ftyp_data = (OPJ_BYTE *) opj_malloc(l_ftyp_size);
1452
1453         if (l_ftyp_data == 00) {
1454                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle ftyp data\n");
1455                 return OPJ_FALSE;
1456         }
1457
1458         memset(l_ftyp_data,0,l_ftyp_size);
1459
1460         l_current_data_ptr = l_ftyp_data;
1461
1462         opj_write_bytes(l_current_data_ptr, l_ftyp_size,4); /* box size */
1463         l_current_data_ptr += 4;
1464
1465         opj_write_bytes(l_current_data_ptr, JP2_FTYP,4); /* FTYP */
1466         l_current_data_ptr += 4;
1467
1468         opj_write_bytes(l_current_data_ptr, jp2->brand,4); /* BR */
1469         l_current_data_ptr += 4;
1470
1471         opj_write_bytes(l_current_data_ptr, jp2->minversion,4); /* MinV */
1472         l_current_data_ptr += 4;
1473
1474         for (i = 0; i < jp2->numcl; i++)  {
1475                 opj_write_bytes(l_current_data_ptr, jp2->cl[i],4);      /* CL */
1476         }
1477
1478         l_result = (opj_stream_write_data(cio,l_ftyp_data,l_ftyp_size,p_manager) == l_ftyp_size);
1479         if (! l_result)
1480         {
1481                 opj_event_msg(p_manager, EVT_ERROR, "Error while writing ftyp data to stream\n");
1482         }
1483
1484         opj_free(l_ftyp_data);
1485
1486         return l_result;
1487 }
1488
1489 OPJ_BOOL opj_jp2_write_jp2c(opj_jp2_t *jp2,
1490                                                         opj_stream_private_t *cio,
1491                                                         opj_event_mgr_t * p_manager )
1492 {
1493         OPJ_OFF_T j2k_codestream_exit;
1494         OPJ_BYTE l_data_header [8];
1495
1496         /* preconditions */
1497         assert(jp2 != 00);
1498         assert(cio != 00);
1499         assert(p_manager != 00);
1500         assert(opj_stream_has_seek(cio));
1501
1502         j2k_codestream_exit = opj_stream_tell(cio);
1503         opj_write_bytes(l_data_header,
1504                     (OPJ_UINT32) (j2k_codestream_exit - jp2->j2k_codestream_offset),
1505                     4); /* size of codestream */
1506         opj_write_bytes(l_data_header + 4,JP2_JP2C,4);                                                                     /* JP2C */
1507
1508         if (! opj_stream_seek(cio,jp2->j2k_codestream_offset,p_manager)) {
1509                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1510                 return OPJ_FALSE;
1511         }
1512
1513         if (opj_stream_write_data(cio,l_data_header,8,p_manager) != 8) {
1514                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1515                 return OPJ_FALSE;
1516         }
1517
1518         if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
1519                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1520                 return OPJ_FALSE;
1521         }
1522
1523         return OPJ_TRUE;
1524 }
1525
1526 OPJ_BOOL opj_jp2_write_jp(      opj_jp2_t *jp2,
1527                                             opj_stream_private_t *cio,
1528                                                 opj_event_mgr_t * p_manager )
1529 {
1530         /* 12 bytes will be read */
1531         OPJ_BYTE l_signature_data [12];
1532
1533         /* preconditions */
1534         assert(cio != 00);
1535         assert(jp2 != 00);
1536         assert(p_manager != 00);
1537
1538         /* write box length */
1539         opj_write_bytes(l_signature_data,12,4);
1540         /* writes box type */
1541         opj_write_bytes(l_signature_data+4,JP2_JP,4);
1542         /* writes magic number*/
1543         opj_write_bytes(l_signature_data+8,0x0d0a870a,4);
1544
1545         if (opj_stream_write_data(cio,l_signature_data,12,p_manager) != 12) {
1546                 return OPJ_FALSE;
1547         }
1548
1549         return OPJ_TRUE;
1550 }
1551
1552 /* ----------------------------------------------------------------------- */
1553 /* JP2 decoder interface                                             */
1554 /* ----------------------------------------------------------------------- */
1555
1556 void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters)
1557 {
1558         /* setup the J2K codec */
1559         opj_j2k_setup_decoder(jp2->j2k, parameters);
1560
1561         /* further JP2 initializations go here */
1562         jp2->color.jp2_has_colr = 0;
1563     jp2->ignore_pclr_cmap_cdef = parameters->flags & OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG;
1564 }
1565
1566 /* ----------------------------------------------------------------------- */
1567 /* JP2 encoder interface                                             */
1568 /* ----------------------------------------------------------------------- */
1569
1570 void opj_jp2_setup_encoder(     opj_jp2_t *jp2,
1571                             opj_cparameters_t *parameters,
1572                             opj_image_t *image,
1573                             opj_event_mgr_t * p_manager)
1574 {
1575     OPJ_UINT32 i;
1576         OPJ_UINT32 depth_0;
1577   OPJ_UINT32 sign;
1578
1579         if(!jp2 || !parameters || !image)
1580                 return;
1581
1582         /* setup the J2K codec */
1583         /* ------------------- */
1584
1585         /* Check if number of components respects standard */
1586         if (image->numcomps < 1 || image->numcomps > 16384) {
1587                 opj_event_msg(p_manager, EVT_ERROR, "Invalid number of components specified while setting up JP2 encoder\n");
1588                 return;
1589         }
1590
1591         opj_j2k_setup_encoder(jp2->j2k, parameters, image, p_manager );
1592
1593         /* setup the JP2 codec */
1594         /* ------------------- */
1595
1596         /* Profile box */
1597
1598         jp2->brand = JP2_JP2;   /* BR */
1599         jp2->minversion = 0;    /* MinV */
1600         jp2->numcl = 1;
1601         jp2->cl = (OPJ_UINT32*) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32));
1602     if (!jp2->cl){
1603         jp2->cl = NULL;
1604         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n");
1605         return;
1606     }
1607         jp2->cl[0] = JP2_JP2;   /* CL0 : JP2 */
1608
1609         /* Image Header box */
1610
1611         jp2->numcomps = image->numcomps;        /* NC */
1612         jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t));
1613     if (!jp2->comps) {
1614         jp2->comps = NULL;
1615         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n");
1616         return;
1617     }
1618
1619         jp2->h = image->y1 - image->y0;         /* HEIGHT */
1620         jp2->w = image->x1 - image->x0;         /* WIDTH */
1621         /* BPC */
1622         depth_0 = image->comps[0].prec - 1;
1623         sign = image->comps[0].sgnd;
1624         jp2->bpc = depth_0 + (sign << 7);
1625         for (i = 1; i < image->numcomps; i++) {
1626                 OPJ_UINT32 depth = image->comps[i].prec - 1;
1627                 sign = image->comps[i].sgnd;
1628                 if (depth_0 != depth)
1629                         jp2->bpc = 255;
1630         }
1631         jp2->C = 7;                     /* C : Always 7 */
1632         jp2->UnkC = 0;          /* UnkC, colorspace specified in colr box */
1633         jp2->IPR = 0;           /* IPR, no intellectual property */
1634
1635         /* BitsPerComponent box */
1636         for (i = 0; i < image->numcomps; i++) {
1637                 jp2->comps[i].bpcc = image->comps[i].prec - 1 + (image->comps[i].sgnd << 7);
1638         }
1639
1640         /* Colour Specification box */
1641     if(image->icc_profile_len) {
1642         jp2->meth = 2;
1643         jp2->enumcs = 0;
1644     }
1645     else {
1646         jp2->meth = 1;
1647         if (image->color_space == 1)
1648             jp2->enumcs = 16;   /* sRGB as defined by IEC 61966-2-1 */
1649         else if (image->color_space == 2)
1650             jp2->enumcs = 17;   /* greyscale */
1651         else if (image->color_space == 3)
1652             jp2->enumcs = 18;   /* YUV */
1653     }
1654
1655
1656         jp2->precedence = 0;    /* PRECEDENCE */
1657         jp2->approx = 0;                /* APPROX */
1658
1659         jp2->jpip_on = parameters->jpip_on;
1660 }
1661
1662 OPJ_BOOL opj_jp2_encode(opj_jp2_t *jp2,
1663                                                 opj_stream_private_t *stream,
1664                                                 opj_event_mgr_t * p_manager)
1665 {
1666         return opj_j2k_encode(jp2->j2k, stream, p_manager);
1667 }
1668
1669 OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2,
1670                                 opj_stream_private_t *cio,
1671                                 opj_event_mgr_t * p_manager
1672                                 )
1673 {
1674         /* preconditions */
1675         assert(jp2 != 00);
1676         assert(cio != 00);
1677         assert(p_manager != 00);
1678
1679         /* customization of the end encoding */
1680         opj_jp2_setup_end_header_reading(jp2);
1681
1682         /* write header */
1683         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,cio,p_manager)) {
1684                 return OPJ_FALSE;
1685         }
1686
1687         return opj_j2k_end_decompress(jp2->j2k, cio, p_manager);
1688 }
1689
1690 OPJ_BOOL opj_jp2_end_compress(  opj_jp2_t *jp2,
1691                                                             opj_stream_private_t *cio,
1692                                                             opj_event_mgr_t * p_manager
1693                                 )
1694 {
1695         /* preconditions */
1696         assert(jp2 != 00);
1697         assert(cio != 00);
1698         assert(p_manager != 00);
1699
1700         /* customization of the end encoding */
1701         opj_jp2_setup_end_header_writing(jp2);
1702
1703         if (! opj_j2k_end_compress(jp2->j2k,cio,p_manager)) {
1704                 return OPJ_FALSE;
1705         }
1706
1707         /* write header */
1708         return opj_jp2_exec(jp2,jp2->m_procedure_list,cio,p_manager);
1709 }
1710
1711 void opj_jp2_setup_end_header_writing (opj_jp2_t *jp2)
1712 {
1713         /* preconditions */
1714         assert(jp2 != 00);
1715
1716 #ifdef USE_JPIP
1717   if( jp2->jpip_on )
1718     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_iptr );
1719 #endif
1720         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2c );
1721         /* DEVELOPER CORNER, add your custom procedures */
1722 #ifdef USE_JPIP
1723   if( jp2->jpip_on )
1724     {
1725     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_cidx );
1726     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_fidx );
1727     }
1728 #endif
1729 }
1730
1731 void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2)
1732 {
1733         /* preconditions */
1734         assert(jp2 != 00);
1735         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
1736         /* DEVELOPER CORNER, add your custom procedures */
1737 }
1738
1739 OPJ_BOOL opj_jp2_default_validation (   opj_jp2_t * jp2,
1740                                         opj_stream_private_t *cio,
1741                                         opj_event_mgr_t * p_manager
1742                                         )
1743 {
1744         OPJ_BOOL l_is_valid = OPJ_TRUE;
1745         OPJ_UINT32 i;
1746
1747         /* preconditions */
1748         assert(jp2 != 00);
1749         assert(cio != 00);
1750         assert(p_manager != 00);
1751
1752         /* JPEG2000 codec validation */
1753
1754         /* STATE checking */
1755         /* make sure the state is at 0 */
1756         l_is_valid &= (jp2->jp2_state == JP2_STATE_NONE);
1757
1758         /* make sure not reading a jp2h ???? WEIRD */
1759         l_is_valid &= (jp2->jp2_img_state == JP2_IMG_STATE_NONE);
1760
1761         /* POINTER validation */
1762         /* make sure a j2k codec is present */
1763         l_is_valid &= (jp2->j2k != 00);
1764
1765         /* make sure a procedure list is present */
1766         l_is_valid &= (jp2->m_procedure_list != 00);
1767
1768         /* make sure a validation list is present */
1769         l_is_valid &= (jp2->m_validation_list != 00);
1770
1771         /* PARAMETER VALIDATION */
1772         /* number of components */
1773         l_is_valid &= (jp2->numcl > 0);
1774         /* width */
1775         l_is_valid &= (jp2->h > 0);
1776         /* height */
1777         l_is_valid &= (jp2->w > 0);
1778         /* precision */
1779         for (i = 0; i < jp2->numcomps; ++i)     {
1780                 l_is_valid &= (jp2->comps[i].bpcc > 0);
1781         }
1782
1783         /* METH */
1784         l_is_valid &= ((jp2->meth > 0) && (jp2->meth < 3));
1785
1786         /* stream validation */
1787         /* back and forth is needed */
1788         l_is_valid &= opj_stream_has_seek(cio);
1789
1790         return l_is_valid;
1791 }
1792
1793 OPJ_BOOL opj_jp2_read_header_procedure(  opj_jp2_t *jp2,
1794                                                 opj_stream_private_t *stream,
1795                                                 opj_event_mgr_t * p_manager
1796                                                 )
1797 {
1798         opj_jp2_box_t box;
1799         OPJ_UINT32 l_nb_bytes_read;
1800         const opj_jp2_header_handler_t * l_current_handler;
1801         OPJ_UINT32 l_last_data_size = OPJ_BOX_SIZE;
1802         OPJ_UINT32 l_current_data_size;
1803         OPJ_BYTE * l_current_data = 00;
1804
1805         /* preconditions */
1806         assert(stream != 00);
1807         assert(jp2 != 00);
1808         assert(p_manager != 00);
1809
1810         l_current_data = (OPJ_BYTE*)opj_malloc(l_last_data_size);
1811
1812         if (l_current_data == 00) {
1813                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 file header\n");
1814                 return OPJ_FALSE;
1815         }
1816         memset(l_current_data, 0 , l_last_data_size);
1817
1818         while (opj_jp2_read_boxhdr(&box,&l_nb_bytes_read,stream,p_manager)) {
1819                 /* is it the codestream box ? */
1820                 if (box.type == JP2_JP2C) {
1821                         if (jp2->jp2_state & JP2_STATE_HEADER) {
1822                                 jp2->jp2_state |= JP2_STATE_CODESTREAM;
1823                                 opj_free(l_current_data);
1824                                 return OPJ_TRUE;
1825                         }
1826                         else {
1827                                 opj_event_msg(p_manager, EVT_ERROR, "bad placed jpeg codestream\n");
1828                                 opj_free(l_current_data);
1829                                 return OPJ_FALSE;
1830                         }
1831                 }
1832                 else if (box.length == 0) {
1833                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
1834                         opj_free(l_current_data);
1835                         return OPJ_FALSE;
1836                 }
1837                 /* testcase 1851.pdf.SIGSEGV.ce9.948 */
1838                 else if (box.length < l_nb_bytes_read) {
1839                         opj_event_msg(p_manager, EVT_ERROR, "invalid box size %d (%x)\n", box.length, box.type);
1840                         opj_free(l_current_data);
1841                         return OPJ_FALSE;
1842                 }
1843
1844                 l_current_handler = opj_jp2_find_handler(box.type);
1845                 l_current_data_size = box.length - l_nb_bytes_read;
1846
1847                 if (l_current_handler != 00) {
1848                         if (l_current_data_size > l_last_data_size) {
1849                                 OPJ_BYTE* new_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_data_size);
1850                                 if (!new_current_data) {
1851                                         opj_free(l_current_data);
1852                     opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 box\n");
1853                                         return OPJ_FALSE;
1854                                 }
1855                 l_current_data = new_current_data;
1856                                 l_last_data_size = l_current_data_size;
1857                         }
1858
1859                         l_nb_bytes_read = (OPJ_UINT32)opj_stream_read_data(stream,l_current_data,l_current_data_size,p_manager);
1860                         if (l_nb_bytes_read != l_current_data_size) {
1861                                 opj_event_msg(p_manager, EVT_ERROR, "Problem with reading JPEG2000 box, stream error\n");
1862                 opj_free(l_current_data);
1863                                 return OPJ_FALSE;
1864                         }
1865
1866                         if (! l_current_handler->handler(jp2,l_current_data,l_current_data_size,p_manager)) {
1867                                 opj_free(l_current_data);
1868                                 return OPJ_FALSE;
1869                         }
1870                 }
1871                 else {
1872                         jp2->jp2_state |= JP2_STATE_UNKNOWN;
1873                         if (opj_stream_skip(stream,l_current_data_size,p_manager) != l_current_data_size) {
1874                                 opj_event_msg(p_manager, EVT_ERROR, "Problem with skipping JPEG2000 box, stream error\n");
1875                                 opj_free(l_current_data);
1876                                 return OPJ_FALSE;
1877                         }
1878                 }
1879         }
1880
1881         opj_free(l_current_data);
1882
1883         return OPJ_TRUE;
1884 }
1885
1886 /**
1887  * Excutes the given procedures on the given codec.
1888  *
1889  * @param       p_procedure_list        the list of procedures to execute
1890  * @param       jp2                                     the jpeg2000 file codec to execute the procedures on.
1891  * @param       stream                                  the stream to execute the procedures on.
1892  * @param       p_manager                       the user manager.
1893  *
1894  * @return      true                            if all the procedures were successfully executed.
1895  */
1896 static OPJ_BOOL opj_jp2_exec (  opj_jp2_t * jp2,
1897                                 opj_procedure_list_t * p_procedure_list,
1898                                 opj_stream_private_t *stream,
1899                                 opj_event_mgr_t * p_manager
1900                                 )
1901
1902 {
1903         OPJ_BOOL (** l_procedure) (opj_jp2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *) = 00;
1904         OPJ_BOOL l_result = OPJ_TRUE;
1905         OPJ_UINT32 l_nb_proc, i;
1906
1907         /* preconditions */
1908         assert(p_procedure_list != 00);
1909         assert(jp2 != 00);
1910         assert(stream != 00);
1911         assert(p_manager != 00);
1912
1913         l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
1914         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);
1915
1916         for     (i=0;i<l_nb_proc;++i) {
1917                 l_result = l_result && (*l_procedure) (jp2,stream,p_manager);
1918                 ++l_procedure;
1919         }
1920
1921         /* and clear the procedure list at the end. */
1922         opj_procedure_list_clear(p_procedure_list);
1923         return l_result;
1924 }
1925
1926 OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2,
1927                                 opj_stream_private_t *stream,
1928                                 opj_image_t * p_image,
1929                                 opj_event_mgr_t * p_manager
1930                                 )
1931 {
1932         /* preconditions */
1933         assert(jp2 != 00);
1934         assert(stream != 00);
1935         assert(p_manager != 00);
1936
1937         /* customization of the validation */
1938         opj_jp2_setup_encoding_validation (jp2);
1939
1940         /* validation of the parameters codec */
1941         if (! opj_jp2_exec(jp2,jp2->m_validation_list,stream,p_manager)) {
1942                 return OPJ_FALSE;
1943         }
1944
1945         /* customization of the encoding */
1946         opj_jp2_setup_header_writing(jp2);
1947
1948         /* write header */
1949         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,stream,p_manager)) {
1950                 return OPJ_FALSE;
1951         }
1952
1953         return opj_j2k_start_compress(jp2->j2k,stream,p_image,p_manager);
1954 }
1955
1956 const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id)
1957 {
1958         OPJ_UINT32 i, l_handler_size = sizeof(jp2_header) / sizeof(opj_jp2_header_handler_t);
1959
1960         for (i=0;i<l_handler_size;++i) {
1961                 if (jp2_header[i].id == p_id) {
1962                         return &jp2_header[i];
1963                 }
1964         }
1965         return NULL;
1966 }
1967
1968 /**
1969  * Finds the image execution function related to the given box id.
1970  *
1971  * @param       p_id    the id of the handler to fetch.
1972  *
1973  * @return      the given handler or 00 if it could not be found.
1974  */
1975 static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id)
1976 {
1977         OPJ_UINT32 i, l_handler_size = sizeof(jp2_img_header) / sizeof(opj_jp2_header_handler_t);
1978         for (i=0;i<l_handler_size;++i)
1979         {
1980                 if (jp2_img_header[i].id == p_id) {
1981                         return &jp2_img_header[i];
1982                 }
1983         }
1984
1985         return NULL;
1986 }
1987
1988 /**
1989  * Reads a jpeg2000 file signature box.
1990  *
1991  * @param       p_header_data   the data contained in the signature box.
1992  * @param       jp2                             the jpeg2000 file codec.
1993  * @param       p_header_size   the size of the data contained in the signature box.
1994  * @param       p_manager               the user event manager.
1995  *
1996  * @return true if the file signature box is valid.
1997  */
1998 static OPJ_BOOL opj_jp2_read_jp(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 {
2005         OPJ_UINT32 l_magic_number;
2006
2007         /* preconditions */
2008         assert(p_header_data != 00);
2009         assert(jp2 != 00);
2010         assert(p_manager != 00);
2011
2012         if (jp2->jp2_state != JP2_STATE_NONE) {
2013                 opj_event_msg(p_manager, EVT_ERROR, "The signature box must be the first box in the file.\n");
2014                 return OPJ_FALSE;
2015         }
2016
2017         /* assure length of data is correct (4 -> magic number) */
2018         if (p_header_size != 4) {
2019                 opj_event_msg(p_manager, EVT_ERROR, "Error with JP signature Box size\n");
2020                 return OPJ_FALSE;
2021         }
2022
2023         /* rearrange data */
2024         opj_read_bytes(p_header_data,&l_magic_number,4);
2025         if (l_magic_number != 0x0d0a870a ) {
2026                 opj_event_msg(p_manager, EVT_ERROR, "Error with JP Signature : bad magic number\n");
2027                 return OPJ_FALSE;
2028         }
2029
2030         jp2->jp2_state |= JP2_STATE_SIGNATURE;
2031
2032         return OPJ_TRUE;
2033 }
2034
2035 /**
2036  * Reads a a FTYP box - File type box
2037  *
2038  * @param       p_header_data   the data contained in the FTYP box.
2039  * @param       jp2                             the jpeg2000 file codec.
2040  * @param       p_header_size   the size of the data contained in the FTYP box.
2041  * @param       p_manager               the user event manager.
2042  *
2043  * @return true if the FTYP box is valid.
2044  */
2045 static OPJ_BOOL opj_jp2_read_ftyp(      opj_jp2_t *jp2,
2046                                                                         OPJ_BYTE * p_header_data,
2047                                                                         OPJ_UINT32 p_header_size,
2048                                                                         opj_event_mgr_t * p_manager
2049                                     )
2050 {
2051         OPJ_UINT32 i, l_remaining_bytes;
2052
2053         /* preconditions */
2054         assert(p_header_data != 00);
2055         assert(jp2 != 00);
2056         assert(p_manager != 00);
2057
2058         if (jp2->jp2_state != JP2_STATE_SIGNATURE) {
2059                 opj_event_msg(p_manager, EVT_ERROR, "The ftyp box must be the second box in the file.\n");
2060                 return OPJ_FALSE;
2061         }
2062
2063         /* assure length of data is correct */
2064         if (p_header_size < 8) {
2065                 opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n");
2066                 return OPJ_FALSE;
2067         }
2068
2069         opj_read_bytes(p_header_data,&jp2->brand,4);            /* BR */
2070         p_header_data += 4;
2071
2072         opj_read_bytes(p_header_data,&jp2->minversion,4);               /* MinV */
2073         p_header_data += 4;
2074
2075         l_remaining_bytes = p_header_size - 8;
2076
2077         /* the number of remaining bytes should be a multiple of 4 */
2078         if ((l_remaining_bytes & 0x3) != 0) {
2079                 opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n");
2080                 return OPJ_FALSE;
2081         }
2082
2083         /* div by 4 */
2084         jp2->numcl = l_remaining_bytes >> 2;
2085         if (jp2->numcl) {
2086                 jp2->cl = (OPJ_UINT32 *) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32));
2087                 if (jp2->cl == 00) {
2088                         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory with FTYP Box\n");
2089                         return OPJ_FALSE;
2090                 }
2091                 memset(jp2->cl,0,jp2->numcl * sizeof(OPJ_UINT32));
2092         }
2093
2094         for (i = 0; i < jp2->numcl; ++i)
2095         {
2096                 opj_read_bytes(p_header_data,&jp2->cl[i],4);            /* CLi */
2097                 p_header_data += 4;
2098         }
2099
2100         jp2->jp2_state |= JP2_STATE_FILE_TYPE;
2101
2102         return OPJ_TRUE;
2103 }
2104
2105 OPJ_BOOL opj_jp2_skip_jp2c(     opj_jp2_t *jp2,
2106                                                 opj_stream_private_t *stream,
2107                                                 opj_event_mgr_t * p_manager )
2108 {
2109         /* preconditions */
2110         assert(jp2 != 00);
2111         assert(stream != 00);
2112         assert(p_manager != 00);
2113
2114         jp2->j2k_codestream_offset = opj_stream_tell(stream);
2115
2116         if (opj_stream_skip(stream,8,p_manager) != 8) {
2117                 return OPJ_FALSE;
2118         }
2119
2120         return OPJ_TRUE;
2121 }
2122
2123 static OPJ_BOOL opj_jpip_skip_iptr(     opj_jp2_t *jp2,
2124   opj_stream_private_t *stream,
2125   opj_event_mgr_t * p_manager )
2126 {
2127   /* preconditions */
2128   assert(jp2 != 00);
2129   assert(stream != 00);
2130   assert(p_manager != 00);
2131
2132   jp2->jpip_iptr_offset = opj_stream_tell(stream);
2133
2134   if (opj_stream_skip(stream,24,p_manager) != 24) {
2135     return OPJ_FALSE;
2136   }
2137
2138   return OPJ_TRUE;
2139 }
2140
2141 /**
2142  * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
2143  *
2144  * @param       p_header_data   the data contained in the file header box.
2145  * @param       jp2                             the jpeg2000 file codec.
2146  * @param       p_header_size   the size of the data contained in the file header box.
2147  * @param       p_manager               the user event manager.
2148  *
2149  * @return true if the JP2 Header box was successfully reconized.
2150 */
2151 static OPJ_BOOL opj_jp2_read_jp2h(  opj_jp2_t *jp2,
2152                                     OPJ_BYTE *p_header_data,
2153                                     OPJ_UINT32 p_header_size,
2154                                     opj_event_mgr_t * p_manager
2155                                     )
2156 {
2157         OPJ_UINT32 l_box_size=0, l_current_data_size = 0;
2158         opj_jp2_box_t box;
2159         const opj_jp2_header_handler_t * l_current_handler;
2160
2161         /* preconditions */
2162         assert(p_header_data != 00);
2163         assert(jp2 != 00);
2164         assert(p_manager != 00);
2165
2166         /* make sure the box is well placed */
2167         if ((jp2->jp2_state & JP2_STATE_FILE_TYPE) != JP2_STATE_FILE_TYPE ) {
2168                 opj_event_msg(p_manager, EVT_ERROR, "The  box must be the first box in the file.\n");
2169                 return OPJ_FALSE;
2170         }
2171
2172         jp2->jp2_img_state = JP2_IMG_STATE_NONE;
2173
2174         /* iterate while remaining data */
2175         while (p_header_size > 0) {
2176
2177                 if (! opj_jp2_read_boxhdr_char(&box,p_header_data,&l_box_size,p_header_size, p_manager)) {
2178                         opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box\n");
2179                         return OPJ_FALSE;
2180                 }
2181
2182                 if (box.length > p_header_size) {
2183                         opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box: box length is inconsistent.\n");
2184                         return OPJ_FALSE;
2185                 }
2186
2187                 l_current_handler = opj_jp2_img_find_handler(box.type);
2188                 l_current_data_size = box.length - l_box_size;
2189                 p_header_data += l_box_size;
2190
2191                 if (l_current_handler != 00) {
2192                         if (! l_current_handler->handler(jp2,p_header_data,l_current_data_size,p_manager)) {
2193                                 return OPJ_FALSE;
2194                         }
2195                 }
2196                 else {
2197                         jp2->jp2_img_state |= JP2_IMG_STATE_UNKNOWN;
2198                 }
2199
2200                 p_header_data += l_current_data_size;
2201                 p_header_size -= box.length;
2202         }
2203
2204         jp2->jp2_state |= JP2_STATE_HEADER;
2205
2206         return OPJ_TRUE;
2207 }
2208
2209 OPJ_BOOL opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
2210                                      OPJ_BYTE * p_data,
2211                                      OPJ_UINT32 * p_number_bytes_read,
2212                                      OPJ_UINT32 p_box_max_size,
2213                                      opj_event_mgr_t * p_manager
2214                                      )
2215 {
2216         OPJ_UINT32 l_value;
2217
2218         /* preconditions */
2219         assert(p_data != 00);
2220         assert(box != 00);
2221         assert(p_number_bytes_read != 00);
2222         assert(p_manager != 00);
2223
2224         if (p_box_max_size < 8) {
2225                 opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of less than 8 bytes\n");
2226                 return OPJ_FALSE;
2227         }
2228
2229         /* process read data */
2230         opj_read_bytes(p_data, &l_value, 4);
2231         p_data += 4;
2232         box->length = (OPJ_UINT32)(l_value);
2233
2234         opj_read_bytes(p_data, &l_value, 4);
2235         p_data += 4;
2236         box->type = (OPJ_UINT32)(l_value);
2237
2238         *p_number_bytes_read = 8;
2239
2240         /* do we have a "special very large box ?" */
2241         /* read then the XLBox */
2242         if (box->length == 1) {
2243                 OPJ_UINT32 l_xl_part_size;
2244
2245                 if (p_box_max_size < 16) {
2246                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle XL box of less than 16 bytes\n");
2247                         return OPJ_FALSE;
2248                 }
2249
2250                 opj_read_bytes(p_data,&l_xl_part_size, 4);
2251                 p_data += 4;
2252                 *p_number_bytes_read += 4;
2253
2254                 if (l_xl_part_size != 0) {
2255                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
2256                         return OPJ_FALSE;
2257                 }
2258
2259                 opj_read_bytes(p_data, &l_value, 4);
2260                 *p_number_bytes_read += 4;
2261                 box->length = (OPJ_UINT32)(l_value);
2262
2263                 if (box->length == 0) {
2264                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
2265                         return OPJ_FALSE;
2266                 }
2267         }
2268         else if (box->length == 0) {
2269                 opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
2270                 return OPJ_FALSE;
2271         }
2272
2273         return OPJ_TRUE;
2274 }
2275
2276 OPJ_BOOL opj_jp2_read_header(   opj_stream_private_t *p_stream,
2277                                 opj_jp2_t *jp2,
2278                                 opj_image_t ** p_image,
2279                                 opj_event_mgr_t * p_manager
2280                                 )
2281 {
2282         /* preconditions */
2283         assert(jp2 != 00);
2284         assert(p_stream != 00);
2285         assert(p_manager != 00);
2286
2287         /* customization of the validation */
2288         opj_jp2_setup_decoding_validation (jp2);
2289
2290         /* customization of the encoding */
2291         opj_jp2_setup_header_reading(jp2);
2292
2293         /* validation of the parameters codec */
2294         if (! opj_jp2_exec(jp2,jp2->m_validation_list,p_stream,p_manager)) {
2295                 return OPJ_FALSE;
2296         }
2297
2298         /* read header */
2299         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,p_stream,p_manager)) {
2300                 return OPJ_FALSE;
2301         }
2302
2303         return opj_j2k_read_header(     p_stream,
2304                                                         jp2->j2k,
2305                                                         p_image,
2306                                                         p_manager);
2307 }
2308
2309 void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2)
2310 {
2311         /* preconditions */
2312         assert(jp2 != 00);
2313
2314         opj_procedure_list_add_procedure(jp2->m_validation_list, (opj_procedure)opj_jp2_default_validation);
2315         /* DEVELOPER CORNER, add your custom validation procedure */
2316 }
2317
2318 void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2)
2319 {
2320         /* preconditions */
2321         assert(jp2 != 00);
2322         /* DEVELOPER CORNER, add your custom validation procedure */
2323 }
2324
2325 void opj_jp2_setup_header_writing (opj_jp2_t *jp2)
2326 {
2327         /* preconditions */
2328         assert(jp2 != 00);
2329
2330         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp );
2331         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_ftyp );
2332         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2h );
2333   if( jp2->jpip_on )
2334     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_skip_iptr );
2335         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_skip_jp2c );
2336
2337         /* DEVELOPER CORNER, insert your custom procedures */
2338
2339 }
2340
2341 void opj_jp2_setup_header_reading (opj_jp2_t *jp2)
2342 {
2343         /* preconditions */
2344         assert(jp2 != 00);
2345
2346         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
2347         /* DEVELOPER CORNER, add your custom procedures */
2348 }
2349
2350 OPJ_BOOL opj_jp2_read_tile_header ( opj_jp2_t * p_jp2,
2351                                     OPJ_UINT32 * p_tile_index,
2352                                     OPJ_UINT32 * p_data_size,
2353                                     OPJ_INT32 * p_tile_x0,
2354                                     OPJ_INT32 * p_tile_y0,
2355                                     OPJ_INT32 * p_tile_x1,
2356                                     OPJ_INT32 * p_tile_y1,
2357                                     OPJ_UINT32 * p_nb_comps,
2358                                     OPJ_BOOL * p_go_on,
2359                                     opj_stream_private_t *p_stream,
2360                                     opj_event_mgr_t * p_manager
2361                                     )
2362 {
2363         return opj_j2k_read_tile_header(p_jp2->j2k,
2364                                                                 p_tile_index,
2365                                                                 p_data_size,
2366                                                                 p_tile_x0, p_tile_y0,
2367                                                                 p_tile_x1, p_tile_y1,
2368                                                                 p_nb_comps,
2369                                                                 p_go_on,
2370                                                                 p_stream,
2371                                                                 p_manager);
2372 }
2373
2374 OPJ_BOOL opj_jp2_write_tile (   opj_jp2_t *p_jp2,
2375                                                             OPJ_UINT32 p_tile_index,
2376                                                             OPJ_BYTE * p_data,
2377                                                             OPJ_UINT32 p_data_size,
2378                                                             opj_stream_private_t *p_stream,
2379                                                             opj_event_mgr_t * p_manager
2380                                 )
2381
2382 {
2383         return opj_j2k_write_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
2384 }
2385
2386 OPJ_BOOL opj_jp2_decode_tile (  opj_jp2_t * p_jp2,
2387                                 OPJ_UINT32 p_tile_index,
2388                                 OPJ_BYTE * p_data,
2389                                 OPJ_UINT32 p_data_size,
2390                                 opj_stream_private_t *p_stream,
2391                                 opj_event_mgr_t * p_manager
2392                                 )
2393 {
2394         return opj_j2k_decode_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
2395 }
2396
2397 void opj_jp2_destroy(opj_jp2_t *jp2)
2398 {
2399         if (jp2) {
2400                 /* destroy the J2K codec */
2401                 opj_j2k_destroy(jp2->j2k);
2402                 jp2->j2k = 00;
2403
2404                 if (jp2->comps) {
2405                         opj_free(jp2->comps);
2406                         jp2->comps = 00;
2407                 }
2408
2409                 if (jp2->cl) {
2410                         opj_free(jp2->cl);
2411                         jp2->cl = 00;
2412                 }
2413
2414                 if (jp2->color.icc_profile_buf) {
2415                         opj_free(jp2->color.icc_profile_buf);
2416                         jp2->color.icc_profile_buf = 00;
2417                 }
2418
2419                 if (jp2->color.jp2_cdef) {
2420                         if (jp2->color.jp2_cdef->info) {
2421                                 opj_free(jp2->color.jp2_cdef->info);
2422                                 jp2->color.jp2_cdef->info = NULL;
2423                         }
2424
2425                         opj_free(jp2->color.jp2_cdef);
2426                         jp2->color.jp2_cdef = 00;
2427                 }
2428
2429                 if (jp2->color.jp2_pclr) {
2430                         if (jp2->color.jp2_pclr->cmap) {
2431                                 opj_free(jp2->color.jp2_pclr->cmap);
2432                                 jp2->color.jp2_pclr->cmap = NULL;
2433                         }
2434                         if (jp2->color.jp2_pclr->channel_sign) {
2435                                 opj_free(jp2->color.jp2_pclr->channel_sign);
2436                                 jp2->color.jp2_pclr->channel_sign = NULL;
2437                         }
2438                         if (jp2->color.jp2_pclr->channel_size) {
2439                                 opj_free(jp2->color.jp2_pclr->channel_size);
2440                                 jp2->color.jp2_pclr->channel_size = NULL;
2441                         }
2442                         if (jp2->color.jp2_pclr->entries) {
2443                                 opj_free(jp2->color.jp2_pclr->entries);
2444                                 jp2->color.jp2_pclr->entries = NULL;
2445                         }
2446
2447                         opj_free(jp2->color.jp2_pclr);
2448                         jp2->color.jp2_pclr = 00;
2449                 }
2450
2451                 if (jp2->m_validation_list) {
2452                         opj_procedure_list_destroy(jp2->m_validation_list);
2453                         jp2->m_validation_list = 00;
2454                 }
2455
2456                 if (jp2->m_procedure_list) {
2457                         opj_procedure_list_destroy(jp2->m_procedure_list);
2458                         jp2->m_procedure_list = 00;
2459                 }
2460
2461                 opj_free(jp2);
2462         }
2463 }
2464
2465 OPJ_BOOL opj_jp2_set_decode_area(       opj_jp2_t *p_jp2,
2466                                                                     opj_image_t* p_image,
2467                                                                     OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
2468                                                                     OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
2469                                                                     opj_event_mgr_t * p_manager
2470                                     )
2471 {
2472         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);
2473 }
2474
2475 OPJ_BOOL opj_jp2_get_tile(      opj_jp2_t *p_jp2,
2476                             opj_stream_private_t *p_stream,
2477                             opj_image_t* p_image,
2478                             opj_event_mgr_t * p_manager,
2479                             OPJ_UINT32 tile_index
2480                             )
2481 {
2482         if (!p_image)
2483                 return OPJ_FALSE;
2484
2485         opj_event_msg(p_manager, EVT_WARNING, "JP2 box which are after the codestream will not be read by this function.\n");
2486
2487         if (! opj_j2k_get_tile(p_jp2->j2k, p_stream, p_image, p_manager, tile_index) ){
2488                 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
2489                 return OPJ_FALSE;
2490         }
2491
2492         if (!opj_jp2_check_color(p_image, &(p_jp2->color), p_manager)) {
2493                 return OPJ_FALSE;
2494         }
2495
2496         /* Set Image Color Space */
2497         if (p_jp2->enumcs == 16)
2498                 p_image->color_space = OPJ_CLRSPC_SRGB;
2499         else if (p_jp2->enumcs == 17)
2500                 p_image->color_space = OPJ_CLRSPC_GRAY;
2501         else if (p_jp2->enumcs == 18)
2502                 p_image->color_space = OPJ_CLRSPC_SYCC;
2503         else
2504                 p_image->color_space = OPJ_CLRSPC_UNKNOWN;
2505
2506         /* Apply the color space if needed */
2507         if(p_jp2->color.jp2_cdef) {
2508                 opj_jp2_apply_cdef(p_image, &(p_jp2->color));
2509         }
2510
2511         if(p_jp2->color.jp2_pclr) {
2512                 /* Part 1, I.5.3.4: Either both or none : */
2513                 if( !p_jp2->color.jp2_pclr->cmap)
2514                         opj_jp2_free_pclr(&(p_jp2->color));
2515                 else
2516                         opj_jp2_apply_pclr(p_image, &(p_jp2->color));
2517         }
2518
2519         if(p_jp2->color.icc_profile_buf) {
2520                 p_image->icc_profile_buf = p_jp2->color.icc_profile_buf;
2521                 p_image->icc_profile_len = p_jp2->color.icc_profile_len;
2522                 p_jp2->color.icc_profile_buf = NULL;
2523         }
2524
2525         return OPJ_TRUE;
2526 }
2527
2528 /* ----------------------------------------------------------------------- */
2529 /* JP2 encoder interface                                             */
2530 /* ----------------------------------------------------------------------- */
2531
2532 opj_jp2_t* opj_jp2_create(OPJ_BOOL p_is_decoder)
2533 {
2534         opj_jp2_t *jp2 = (opj_jp2_t*)opj_malloc(sizeof(opj_jp2_t));
2535         if (jp2) {
2536                 memset(jp2,0,sizeof(opj_jp2_t));
2537
2538                 /* create the J2K codec */
2539                 if (! p_is_decoder) {
2540                         jp2->j2k = opj_j2k_create_compress();
2541                 }
2542                 else {
2543                         jp2->j2k = opj_j2k_create_decompress();
2544                 }
2545
2546                 if (jp2->j2k == 00) {
2547                         opj_jp2_destroy(jp2);
2548                         return 00;
2549                 }
2550
2551                 /* Color structure */
2552                 jp2->color.icc_profile_buf = NULL;
2553                 jp2->color.icc_profile_len = 0;
2554                 jp2->color.jp2_cdef = NULL;
2555                 jp2->color.jp2_pclr = NULL;
2556                 jp2->color.jp2_has_colr = 0;
2557
2558                 /* validation list creation */
2559                 jp2->m_validation_list = opj_procedure_list_create();
2560                 if (! jp2->m_validation_list) {
2561                         opj_jp2_destroy(jp2);
2562                         return 00;
2563                 }
2564
2565                 /* execution list creation */
2566                 jp2->m_procedure_list = opj_procedure_list_create();
2567                 if (! jp2->m_procedure_list) {
2568                         opj_jp2_destroy(jp2);
2569                         return 00;
2570                 }
2571         }
2572
2573         return jp2;
2574 }
2575
2576 void jp2_dump(opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream)
2577 {
2578         /* preconditions */
2579         assert(p_jp2 != 00);
2580
2581         j2k_dump(p_jp2->j2k,
2582                                         flag,
2583                                         out_stream);
2584 }
2585
2586 opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2)
2587 {
2588         return j2k_get_cstr_index(p_jp2->j2k);
2589 }
2590
2591 opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2)
2592 {
2593         return j2k_get_cstr_info(p_jp2->j2k);
2594 }
2595
2596 OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2,
2597                                                OPJ_UINT32 res_factor,
2598                                                opj_event_mgr_t * p_manager)
2599 {
2600         return opj_j2k_set_decoded_resolution_factor(p_jp2->j2k, res_factor, p_manager);
2601 }
2602
2603 /* JPIP specific */
2604
2605 #ifdef USE_JPIP
2606 static OPJ_BOOL opj_jpip_write_iptr(opj_jp2_t *jp2,
2607   opj_stream_private_t *cio,
2608   opj_event_mgr_t * p_manager )
2609 {
2610   OPJ_OFF_T j2k_codestream_exit;
2611   OPJ_BYTE l_data_header [24];
2612
2613   /* preconditions */
2614   assert(jp2 != 00);
2615   assert(cio != 00);
2616   assert(p_manager != 00);
2617   assert(opj_stream_has_seek(cio));
2618
2619   j2k_codestream_exit = opj_stream_tell(cio);
2620   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2621   opj_write_bytes(l_data_header + 4,JPIP_IPTR,4);                                                                          /* IPTR */
2622 #if 0
2623   opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */
2624   opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */
2625 #else
2626   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2627   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2628 #endif
2629
2630   if (! opj_stream_seek(cio,jp2->jpip_iptr_offset,p_manager)) {
2631     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2632     return OPJ_FALSE;
2633   }
2634
2635   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2636     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2637     return OPJ_FALSE;
2638   }
2639
2640   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2641     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2642     return OPJ_FALSE;
2643   }
2644
2645   return OPJ_TRUE;
2646 }
2647
2648 static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2,
2649   opj_stream_private_t *cio,
2650   opj_event_mgr_t * p_manager )
2651 {
2652   OPJ_OFF_T j2k_codestream_exit;
2653   OPJ_BYTE l_data_header [24];
2654
2655   /* preconditions */
2656   assert(jp2 != 00);
2657   assert(cio != 00);
2658   assert(p_manager != 00);
2659   assert(opj_stream_has_seek(cio));
2660
2661   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2662   opj_write_bytes(l_data_header + 4,JPIP_FIDX,4);                                                                          /* IPTR */
2663   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2664   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2665
2666   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2667     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2668     return OPJ_FALSE;
2669   }
2670
2671   j2k_codestream_exit = opj_stream_tell(cio);
2672   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2673     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2674     return OPJ_FALSE;
2675   }
2676
2677   return OPJ_TRUE;
2678 }
2679
2680 static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2,
2681   opj_stream_private_t *cio,
2682   opj_event_mgr_t * p_manager )
2683 {
2684   OPJ_OFF_T j2k_codestream_exit;
2685   OPJ_BYTE l_data_header [24];
2686
2687   /* preconditions */
2688   assert(jp2 != 00);
2689   assert(cio != 00);
2690   assert(p_manager != 00);
2691   assert(opj_stream_has_seek(cio));
2692
2693   j2k_codestream_exit = opj_stream_tell(cio);
2694   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2695   opj_write_bytes(l_data_header + 4,JPIP_CIDX,4);                                                                          /* IPTR */
2696 #if 0
2697   opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */
2698   opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */
2699 #else
2700   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2701   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2702 #endif
2703
2704   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2705     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2706     return OPJ_FALSE;
2707   }
2708
2709   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2710     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2711     return OPJ_FALSE;
2712   }
2713
2714   j2k_codestream_exit = opj_stream_tell(cio);
2715   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2716     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2717     return OPJ_FALSE;
2718   }
2719
2720   return OPJ_TRUE;
2721 }
2722
2723 #if 0
2724 static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
2725   opj_event_mgr_t * p_manager )
2726 {
2727   OPJ_BYTE l_data_header [8];
2728   OPJ_OFF_T len, lenp;
2729
2730   lenp = opj_stream_tell(cio);
2731   opj_stream_skip(cio, 4, p_manager);         /* L [at the end] */
2732   opj_write_bytes(l_data_header,JPIP_PRXY,4); /* IPTR           */
2733   opj_stream_write_data(cio,l_data_header,4,p_manager);
2734
2735   opj_write_bytes( l_data_header, offset_jp2c, 8); /* OOFF           */
2736   opj_stream_write_data(cio,l_data_header,8,p_manager);
2737   opj_write_bytes( l_data_header, length_jp2c, 4); /* OBH part 1     */
2738   opj_write_bytes( l_data_header+4, JP2_JP2C, 4);  /* OBH part 2     */
2739   opj_stream_write_data(cio,l_data_header,8,p_manager);
2740
2741   opj_write_bytes( l_data_header, 1, 1);/* NI             */
2742   opj_stream_write_data(cio,l_data_header,1,p_manager);
2743
2744   opj_write_bytes( l_data_header, offset_idx, 8);  /* IOFF           */
2745   opj_stream_write_data(cio,l_data_header,8,p_manager);
2746   opj_write_bytes( l_data_header, length_idx, 4);  /* IBH part 1     */
2747   opj_write_bytes( l_data_header+4, JPIP_CIDX, 4);   /* IBH part 2     */
2748   opj_stream_write_data(cio,l_data_header,8,p_manager);
2749
2750   len = opj_stream_tell(cio)-lenp;
2751   opj_stream_skip(cio, lenp, p_manager);
2752   opj_write_bytes(l_data_header,len,4);/* L              */
2753   opj_stream_write_data(cio,l_data_header,4,p_manager);
2754   opj_stream_seek(cio, lenp+len,p_manager);
2755 }
2756 #endif
2757
2758
2759 #if 0
2760 static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
2761   opj_event_mgr_t * p_manager )
2762 {
2763   OPJ_BYTE l_data_header [4];
2764   OPJ_OFF_T len, lenp;
2765
2766   lenp = opj_stream_tell(cio);
2767   opj_stream_skip(cio, 4, p_manager);
2768   opj_write_bytes(l_data_header,JPIP_FIDX,4); /* FIDX */
2769   opj_stream_write_data(cio,l_data_header,4,p_manager);
2770
2771   write_prxy( offset_jp2c, length_jp2c, offset_idx, length_idx, cio,p_manager);
2772
2773   len = opj_stream_tell(cio)-lenp;
2774   opj_stream_skip(cio, lenp, p_manager);
2775   opj_write_bytes(l_data_header,len,4);/* L              */
2776   opj_stream_write_data(cio,l_data_header,4,p_manager);
2777   opj_stream_seek(cio, lenp+len,p_manager);
2778
2779   return len;
2780 }
2781 #endif
2782 #endif /* USE_JPIP */