src/lib/openjp2/jp2.c

   1 /*
   2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
   3  * Copyright (c) 2002-2007, Professor Benoit Macq
   4  * Copyright (c) 2001-2003, David Janssens
   5  * Copyright (c) 2002-2003, Yannick Verschueren
   6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
   7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
   8  * Copyright (c) 2010-2011, Kaori Hagihara
   9  * Copyright (c) 2008;2011-2012, Centre National d'Etudes Spatiales (CNES), France
  10  * Copyright (c) 2012, CS Systemes d'Information, France
  11  * All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  */
  34 #include "opj_includes.h"
  35
  36 /** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */
  37 /*@{*/
  38
  39 #define OPJ_BOX_SIZE    1024
  40
  41 /** @name Local static functions */
  42 /*@{*/
  43
  44 /*static void jp2_write_url(opj_cio_t *cio, char *Idx_file);*/
  45
  46 /**
  47  * Reads a IHDR box - Image Header box
  48  *
  49  * @param       p_image_header_data                     pointer to actual data (already read from file)
  50  * @param       jp2                                                     the jpeg2000 file codec.
  51  * @param       p_image_header_size                     the size of the image header
  52  * @param       p_manager                                       the user event manager.
  53  *
  54  * @return      true if the image header is valid, false else.
  55  */
  56 static OPJ_BOOL opj_jp2_read_ihdr(  opj_jp2_t *jp2,
  57                                     OPJ_BYTE *p_image_header_data,
  58                                     OPJ_UINT32 p_image_header_size,
  59                                     opj_event_mgr_t * p_manager );
  60
  61 /**
  62  * Writes the Image Header box - Image Header box.
  63  *
  64  * @param jp2                                   jpeg2000 file codec.
  65  * @param p_nb_bytes_written    pointer to store the nb of bytes written by the function.
  66  *
  67  * @return      the data being copied.
  68 */
  69 static OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2,
  70                                      OPJ_UINT32 * p_nb_bytes_written );
  71
  72 /**
  73  * Writes the Bit per Component box.
  74  *
  75  * @param       jp2                                             jpeg2000 file codec.
  76  * @param       p_nb_bytes_written              pointer to store the nb of bytes written by the function.
  77  *
  78  * @return      the data being copied.
  79 */
  80 static OPJ_BYTE * opj_jp2_write_bpcc(   opj_jp2_t *jp2,
  81                                                                         OPJ_UINT32 * p_nb_bytes_written );
  82
  83 /**
  84  * Reads a Bit per Component box.
  85  *
  86  * @param       p_bpc_header_data                       pointer to actual data (already read from file)
  87  * @param       jp2                                                     the jpeg2000 file codec.
  88  * @param       p_bpc_header_size                       the size of the bpc header
  89  * @param       p_manager                                       the user event manager.
  90  *
  91  * @return      true if the bpc header is valid, fale else.
  92  */
  93 static OPJ_BOOL opj_jp2_read_bpcc(  opj_jp2_t *jp2,
  94                                     OPJ_BYTE * p_bpc_header_data,
  95                                     OPJ_UINT32 p_bpc_header_size,
  96                                     opj_event_mgr_t * p_manager );
  97
  98 static OPJ_BOOL opj_jp2_read_cdef(      opj_jp2_t * jp2,
  99                                     OPJ_BYTE * p_cdef_header_data,
 100                                                                         OPJ_UINT32 p_cdef_header_size,
 101                                                                         opj_event_mgr_t * p_manager );
 102
 103 static void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color);
 104
 105 /**
 106  * Writes the Colour Specification box.
 107  *
 108  * @param jp2                                   jpeg2000 file codec.
 109  * @param p_nb_bytes_written    pointer to store the nb of bytes written by the function.
 110  *
 111  * @return      the data being copied.
 112 */
 113 static OPJ_BYTE * opj_jp2_write_colr(   opj_jp2_t *jp2,
 114                                                                             OPJ_UINT32 * p_nb_bytes_written );
 115
 116 /**
 117  * Writes a FTYP box - File type box
 118  *
 119  * @param       cio                     the stream to write data to.
 120  * @param       jp2                     the jpeg2000 file codec.
 121  * @param       p_manager       the user event manager.
 122  *
 123  * @return      true if writing was successful.
 124  */
 125 static OPJ_BOOL opj_jp2_write_ftyp(     opj_jp2_t *jp2,
 126                                                                         opj_stream_private_t *cio,
 127                                                                         opj_event_mgr_t * p_manager );
 128
 129 /**
 130  * Reads a a FTYP box - File type box
 131  *
 132  * @param       p_header_data   the data contained in the FTYP box.
 133  * @param       jp2                             the jpeg2000 file codec.
 134  * @param       p_header_size   the size of the data contained in the FTYP box.
 135  * @param       p_manager               the user event manager.
 136  *
 137  * @return true if the FTYP box is valid.
 138  */
 139 static OPJ_BOOL opj_jp2_read_ftyp(      opj_jp2_t *jp2,
 140                                                                         OPJ_BYTE * p_header_data,
 141                                                                         OPJ_UINT32 p_header_size,
 142                                                                         opj_event_mgr_t * p_manager );
 143
 144 OPJ_BOOL opj_jp2_skip_jp2c(     opj_jp2_t *jp2,
 145                                                     opj_stream_private_t *cio,
 146                                                     opj_event_mgr_t * p_manager );
 147
 148 /**
 149  * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
 150  *
 151  * @param       p_header_data   the data contained in the file header box.
 152  * @param       jp2                             the jpeg2000 file codec.
 153  * @param       p_header_size   the size of the data contained in the file header box.
 154  * @param       p_manager               the user event manager.
 155  *
 156  * @return true if the JP2 Header box was successfully reconized.
 157 */
 158 static OPJ_BOOL opj_jp2_read_jp2h(  opj_jp2_t *jp2,
 159                                     OPJ_BYTE *p_header_data,
 160                                     OPJ_UINT32 p_header_size,
 161                                     opj_event_mgr_t * p_manager );
 162
 163 /**
 164  * Writes the Jpeg2000 codestream Header box - JP2C Header box. This function must be called AFTER the coding has been done.
 165  *
 166  * @param       cio                     the stream to write data to.
 167  * @param       jp2                     the jpeg2000 file codec.
 168  * @param       p_manager       user event manager.
 169  *
 170  * @return true if writing was successful.
 171 */
 172 static OPJ_BOOL opj_jp2_write_jp2c(     opj_jp2_t *jp2,
 173                                                                     opj_stream_private_t *cio,
 174                                                                     opj_event_mgr_t * p_manager );
 175
 176 #ifdef USE_JPIP
 177 /**
 178  * Write index Finder box
 179  * @param cio     the stream to write to.
 180  * @param       jp2                     the jpeg2000 file codec.
 181  * @param       p_manager       user event manager.
 182 */
 183 static OPJ_BOOL opj_jpip_write_iptr(    opj_jp2_t *jp2,
 184                                                                     opj_stream_private_t *cio,
 185                                                                     opj_event_mgr_t * p_manager );
 186
 187 /**
 188  * Write index Finder box
 189  * @param cio     the stream to write to.
 190  * @param       jp2                     the jpeg2000 file codec.
 191  * @param       p_manager       user event manager.
 192  */
 193 static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2,
 194   opj_stream_private_t *cio,
 195   opj_event_mgr_t * p_manager );
 196
 197 /**
 198  * Write file Index (superbox)
 199  * @param cio     the stream to write to.
 200  * @param       jp2                     the jpeg2000 file codec.
 201  * @param       p_manager       user event manager.
 202  */
 203 static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2,
 204   opj_stream_private_t *cio,
 205   opj_event_mgr_t * p_manager );
 206 #endif /* USE_JPIP */
 207
 208 /**
 209  * Reads a jpeg2000 file signature box.
 210  *
 211  * @param       p_header_data   the data contained in the signature box.
 212  * @param       jp2                             the jpeg2000 file codec.
 213  * @param       p_header_size   the size of the data contained in the signature box.
 214  * @param       p_manager               the user event manager.
 215  *
 216  * @return true if the file signature box is valid.
 217  */
 218 static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2,
 219                                 OPJ_BYTE * p_header_data,
 220                                 OPJ_UINT32 p_header_size,
 221                                 opj_event_mgr_t * p_manager);
 222
 223 /**
 224  * Writes a jpeg2000 file signature box.
 225  *
 226  * @param cio the stream to write data to.
 227  * @param       jp2                     the jpeg2000 file codec.
 228  * @param p_manager the user event manager.
 229  *
 230  * @return true if writing was successful.
 231  */
 232 static OPJ_BOOL opj_jp2_write_jp(       opj_jp2_t *jp2,
 233                                                     opj_stream_private_t *cio,
 234                                                         opj_event_mgr_t * p_manager );
 235
 236 /**
 237 Apply collected palette data
 238 @param color Collector for profile, cdef and pclr data
 239 @param image
 240 */
 241 static void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color);
 242
 243 static void opj_jp2_free_pclr(opj_jp2_color_t *color);
 244
 245 /**
 246  * Collect palette data
 247  *
 248  * @param jp2 JP2 handle
 249  * @param p_pclr_header_data    FIXME DOC
 250  * @param p_pclr_header_size    FIXME DOC
 251  * @param p_manager
 252  *
 253  * @return Returns true if successful, returns false otherwise
 254 */
 255 static OPJ_BOOL opj_jp2_read_pclr(      opj_jp2_t *jp2,
 256                                     OPJ_BYTE * p_pclr_header_data,
 257                                     OPJ_UINT32 p_pclr_header_size,
 258                                     opj_event_mgr_t * p_manager );
 259
 260 /**
 261  * Collect component mapping data
 262  *
 263  * @param jp2                 JP2 handle
 264  * @param p_cmap_header_data  FIXME DOC
 265  * @param p_cmap_header_size  FIXME DOC
 266  * @param p_manager           FIXME DOC
 267  *
 268  * @return Returns true if successful, returns false otherwise
 269 */
 270
 271 static OPJ_BOOL opj_jp2_read_cmap(      opj_jp2_t * jp2,
 272                                     OPJ_BYTE * p_cmap_header_data,
 273                                     OPJ_UINT32 p_cmap_header_size,
 274                                     opj_event_mgr_t * p_manager );
 275
 276 /**
 277  * Reads the Color Specification box.
 278  *
 279  * @param       p_colr_header_data                      pointer to actual data (already read from file)
 280  * @param       jp2                                                     the jpeg2000 file codec.
 281  * @param       p_colr_header_size                      the size of the color header
 282  * @param       p_manager                                       the user event manager.
 283  *
 284  * @return      true if the bpc header is valid, fale else.
 285 */
 286 static OPJ_BOOL opj_jp2_read_colr(  opj_jp2_t *jp2,
 287                                     OPJ_BYTE * p_colr_header_data,
 288                                     OPJ_UINT32 p_colr_header_size,
 289                                     opj_event_mgr_t * p_manager );
 290
 291 /*@}*/
 292
 293 /*@}*/
 294
 295 /**
 296  * Sets up the procedures to do on writing header after the codestream.
 297  * Developpers wanting to extend the library can add their own writing procedures.
 298  */
 299 static void opj_jp2_setup_end_header_writing (opj_jp2_t *jp2);
 300
 301 /**
 302  * Sets up the procedures to do on reading header after the codestream.
 303  * Developpers wanting to extend the library can add their own writing procedures.
 304  */
 305 static void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2);
 306
 307 /**
 308  * Reads a jpeg2000 file header structure.
 309  *
 310  * @param jp2 the jpeg2000 file header structure.
 311  * @param stream the stream to read data from.
 312  * @param p_manager the user event manager.
 313  *
 314  * @return true if the box is valid.
 315  */
 316 static OPJ_BOOL opj_jp2_read_header_procedure(  opj_jp2_t *jp2,
 317                                                 opj_stream_private_t *stream,
 318                                                 opj_event_mgr_t * p_manager );
 319
 320 /**
 321  * Excutes the given procedures on the given codec.
 322  *
 323  * @param       p_procedure_list        the list of procedures to execute
 324  * @param       jp2                                     the jpeg2000 file codec to execute the procedures on.
 325  * @param       stream                                  the stream to execute the procedures on.
 326  * @param       p_manager                       the user manager.
 327  *
 328  * @return      true                            if all the procedures were successfully executed.
 329  */
 330 static OPJ_BOOL opj_jp2_exec (  opj_jp2_t * jp2,
 331                                 opj_procedure_list_t * p_procedure_list,
 332                                 opj_stream_private_t *stream,
 333                                 opj_event_mgr_t * p_manager );
 334
 335 /**
 336  * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure.
 337  *
 338  * @param       cio                                             the input stream to read data from.
 339  * @param       box                                             the box structure to fill.
 340  * @param       p_number_bytes_read             pointer to an int that will store the number of bytes read from the stream (shoul usually be 2).
 341  * @param       p_manager                               user event manager.
 342  *
 343  * @return      true if the box is reconized, false otherwise
 344 */
 345 static OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box,
 346                                     OPJ_UINT32 * p_number_bytes_read,
 347                                     opj_stream_private_t *cio,
 348                                     opj_event_mgr_t * p_manager);
 349
 350 /**
 351  * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
 352  * are valid. Developpers wanting to extend the library can add their own validation procedures.
 353  */
 354 static void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2);
 355
 356 /**
 357  * Sets up the procedures to do on writing header. Developpers wanting to extend the library can add their own writing procedures.
 358  */
 359 static void opj_jp2_setup_header_writing (opj_jp2_t *jp2);
 360
 361 OPJ_BOOL opj_jp2_default_validation (   opj_jp2_t * jp2,
 362                                         opj_stream_private_t *cio,
 363                                         opj_event_mgr_t * p_manager );
 364
 365 /**
 366  * Finds the image execution function related to the given box id.
 367  *
 368  * @param       p_id    the id of the handler to fetch.
 369  *
 370  * @return      the given handler or NULL if it could not be found.
 371  */
 372 static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id);
 373
 374 /**
 375  * Finds the execution function related to the given box id.
 376  *
 377  * @param       p_id    the id of the handler to fetch.
 378  *
 379  * @return      the given handler or NULL if it could not be found.
 380  */
 381 static const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id );
 382
 383 const opj_jp2_header_handler_t jp2_header [] =
 384 {
 385         {JP2_JP,opj_jp2_read_jp},
 386         {JP2_FTYP,opj_jp2_read_ftyp},
 387         {JP2_JP2H,opj_jp2_read_jp2h}
 388 };
 389
 390 const opj_jp2_header_handler_t jp2_img_header [] =
 391 {
 392         {JP2_IHDR,opj_jp2_read_ihdr},
 393         {JP2_COLR,opj_jp2_read_colr},
 394         {JP2_BPCC,opj_jp2_read_bpcc},
 395         {JP2_PCLR,opj_jp2_read_pclr},
 396         {JP2_CMAP,opj_jp2_read_cmap},
 397         {JP2_CDEF,opj_jp2_read_cdef}
 398
 399 };
 400
 401 /**
 402  * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. Data is read from a character string
 403  *
 404  * @param       box                                             the box structure to fill.
 405  * @param       p_data                                  the character string to read data from.
 406  * @param       p_number_bytes_read             pointer to an int that will store the number of bytes read from the stream (shoul usually be 2).
 407  * @param       p_box_max_size                  the maximum number of bytes in the box.
 408  * @param       p_manager         FIXME DOC
 409  *
 410  * @return      true if the box is reconized, false otherwise
 411 */
 412 static OPJ_BOOL opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
 413                                             OPJ_BYTE * p_data,
 414                                             OPJ_UINT32 * p_number_bytes_read,
 415                                             OPJ_UINT32 p_box_max_size,
 416                                             opj_event_mgr_t * p_manager );
 417
 418 /**
 419  * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
 420  * are valid. Developpers wanting to extend the library can add their own validation procedures.
 421  */
 422 static void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2);
 423
 424 /**
 425  * Sets up the procedures to do on reading header.
 426  * Developpers wanting to extend the library can add their own writing procedures.
 427  */
 428 static void opj_jp2_setup_header_reading (opj_jp2_t *jp2);
 429
 430 /* ----------------------------------------------------------------------- */
 431  OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box,
 432                               OPJ_UINT32 * p_number_bytes_read,
 433                               opj_stream_private_t *cio,
 434                               opj_event_mgr_t * p_manager )
 435 {
 436         /* read header from file */
 437         OPJ_BYTE l_data_header [8];
 438
 439         /* preconditions */
 440         assert(cio != 00);
 441         assert(box != 00);
 442         assert(p_number_bytes_read != 00);
 443         assert(p_manager != 00);
 444
 445         *p_number_bytes_read = (OPJ_UINT32)opj_stream_read_data(cio,l_data_header,8,p_manager);
 446         if (*p_number_bytes_read != 8) {
 447                 return OPJ_FALSE;
 448         }
 449
 450         /* process read data */
 451         opj_read_bytes(l_data_header,&(box->length), 4);
 452         opj_read_bytes(l_data_header+4,&(box->type), 4);
 453
 454   if(box->length == 0)/* last box */
 455     {
 456     const OPJ_OFF_T bleft = opj_stream_get_number_byte_left(cio);
 457     box->length = (OPJ_UINT32)bleft;
 458     assert( (OPJ_OFF_T)box->length == bleft );
 459     return OPJ_TRUE;
 460     }
 461
 462         /* do we have a "special very large box ?" */
 463         /* read then the XLBox */
 464         if (box->length == 1) {
 465                 OPJ_UINT32 l_xl_part_size;
 466
 467                 OPJ_UINT32 l_nb_bytes_read = (OPJ_UINT32)opj_stream_read_data(cio,l_data_header,8,p_manager);
 468                 if (l_nb_bytes_read != 8) {
 469                         if (l_nb_bytes_read > 0) {
 470                                 *p_number_bytes_read += l_nb_bytes_read;
 471                         }
 472
 473                         return OPJ_FALSE;
 474                 }
 475
 476         *p_number_bytes_read = 16;
 477                 opj_read_bytes(l_data_header,&l_xl_part_size, 4);
 478                 if (l_xl_part_size != 0) {
 479                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
 480                         return OPJ_FALSE;
 481                 }
 482                 opj_read_bytes(l_data_header+4,&(box->length), 4);
 483         }
 484     return OPJ_TRUE;
 485 }
 486
 487 #if 0
 488 static void jp2_write_url(opj_cio_t *cio, char *Idx_file) {
 489         OPJ_UINT32 i;
 490         opj_jp2_box_t box;
 491
 492         box.init_pos = cio_tell(cio);
 493         cio_skip(cio, 4);
 494         cio_write(cio, JP2_URL, 4);     /* DBTL */
 495         cio_write(cio, 0, 1);           /* VERS */
 496         cio_write(cio, 0, 3);           /* FLAG */
 497
 498         if(Idx_file) {
 499                 for (i = 0; i < strlen(Idx_file); i++) {
 500                         cio_write(cio, Idx_file[i], 1);
 501                 }
 502         }
 503
 504         box.length = cio_tell(cio) - box.init_pos;
 505         cio_seek(cio, box.init_pos);
 506         cio_write(cio, box.length, 4);  /* L */
 507         cio_seek(cio, box.init_pos + box.length);
 508 }
 509 #endif
 510
 511 OPJ_BOOL opj_jp2_read_ihdr( opj_jp2_t *jp2,
 512                             OPJ_BYTE *p_image_header_data,
 513                             OPJ_UINT32 p_image_header_size,
 514                             opj_event_mgr_t * p_manager )
 515 {
 516         /* preconditions */
 517         assert(p_image_header_data != 00);
 518         assert(jp2 != 00);
 519         assert(p_manager != 00);
 520
 521         if (p_image_header_size != 14) {
 522                 opj_event_msg(p_manager, EVT_ERROR, "Bad image header box (bad size)\n");
 523                 return OPJ_FALSE;
 524         }
 525
 526         opj_read_bytes(p_image_header_data,&(jp2->h),4);                        /* HEIGHT */
 527         p_image_header_data += 4;
 528         opj_read_bytes(p_image_header_data,&(jp2->w),4);                        /* WIDTH */
 529         p_image_header_data += 4;
 530         opj_read_bytes(p_image_header_data,&(jp2->numcomps),2);         /* NC */
 531         p_image_header_data += 2;
 532
 533         /* allocate memory for components */
 534         jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t));
 535         if (jp2->comps == 0) {
 536                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle image header (ihdr)\n");
 537                 return OPJ_FALSE;
 538         }
 539         memset(jp2->comps,0,jp2->numcomps * sizeof(opj_jp2_comps_t));
 540
 541         opj_read_bytes(p_image_header_data,&(jp2->bpc),1);                      /* BPC */
 542         ++ p_image_header_data;
 543
 544         opj_read_bytes(p_image_header_data,&(jp2->C),1);                        /* C */
 545         ++ p_image_header_data;
 546
 547         /* Should be equal to 7 cf. chapter about image header box of the norm */
 548         if (jp2->C != 7){
 549                 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);
 550         }
 551
 552         opj_read_bytes(p_image_header_data,&(jp2->UnkC),1);                     /* UnkC */
 553         ++ p_image_header_data;
 554         opj_read_bytes(p_image_header_data,&(jp2->IPR),1);                      /* IPR */
 555         ++ p_image_header_data;
 556
 557         return OPJ_TRUE;
 558 }
 559
 560 OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2,
 561                               OPJ_UINT32 * p_nb_bytes_written
 562                               )
 563 {
 564         OPJ_BYTE * l_ihdr_data,* l_current_ihdr_ptr;
 565
 566         /* preconditions */
 567         assert(jp2 != 00);
 568         assert(p_nb_bytes_written != 00);
 569
 570         /* default image header is 22 bytes wide */
 571         l_ihdr_data = (OPJ_BYTE *) opj_malloc(22);
 572         if (l_ihdr_data == 00) {
 573                 return 00;
 574         }
 575         memset(l_ihdr_data,0,22);
 576
 577         l_current_ihdr_ptr = l_ihdr_data;
 578
 579         opj_write_bytes(l_current_ihdr_ptr,22,4);                               /* write box size */
 580         l_current_ihdr_ptr+=4;
 581
 582         opj_write_bytes(l_current_ihdr_ptr,JP2_IHDR, 4);                /* IHDR */
 583         l_current_ihdr_ptr+=4;
 584
 585         opj_write_bytes(l_current_ihdr_ptr,jp2->h, 4);          /* HEIGHT */
 586         l_current_ihdr_ptr+=4;
 587
 588         opj_write_bytes(l_current_ihdr_ptr, jp2->w, 4);         /* WIDTH */
 589         l_current_ihdr_ptr+=4;
 590
 591         opj_write_bytes(l_current_ihdr_ptr, jp2->numcomps, 2);          /* NC */
 592         l_current_ihdr_ptr+=2;
 593
 594         opj_write_bytes(l_current_ihdr_ptr, jp2->bpc, 1);               /* BPC */
 595         ++l_current_ihdr_ptr;
 596
 597         opj_write_bytes(l_current_ihdr_ptr, jp2->C, 1);         /* C : Always 7 */
 598         ++l_current_ihdr_ptr;
 599
 600         opj_write_bytes(l_current_ihdr_ptr, jp2->UnkC, 1);              /* UnkC, colorspace unknown */
 601         ++l_current_ihdr_ptr;
 602
 603         opj_write_bytes(l_current_ihdr_ptr, jp2->IPR, 1);               /* IPR, no intellectual property */
 604         ++l_current_ihdr_ptr;
 605
 606         *p_nb_bytes_written = 22;
 607
 608         return l_ihdr_data;
 609 }
 610
 611 OPJ_BYTE * opj_jp2_write_bpcc(  opj_jp2_t *jp2,
 612                                                         OPJ_UINT32 * p_nb_bytes_written
 613                                 )
 614 {
 615         OPJ_UINT32 i;
 616         /* room for 8 bytes for box and 1 byte for each component */
 617         OPJ_INT32 l_bpcc_size = 8 + jp2->numcomps;
 618         OPJ_BYTE * l_bpcc_data,* l_current_bpcc_ptr;
 619
 620         /* preconditions */
 621         assert(jp2 != 00);
 622         assert(p_nb_bytes_written != 00);
 623
 624         l_bpcc_data = (OPJ_BYTE *) opj_malloc(l_bpcc_size);
 625         if (l_bpcc_data == 00) {
 626                 return 00;
 627         }
 628         memset(l_bpcc_data,0,l_bpcc_size);
 629
 630         l_current_bpcc_ptr = l_bpcc_data;
 631
 632         opj_write_bytes(l_current_bpcc_ptr,l_bpcc_size,4);                              /* write box size */
 633         l_current_bpcc_ptr += 4;
 634
 635         opj_write_bytes(l_current_bpcc_ptr,JP2_BPCC,4);                                 /* BPCC */
 636         l_current_bpcc_ptr += 4;
 637
 638         for (i = 0; i < jp2->numcomps; ++i)  {
 639                 opj_write_bytes(l_current_bpcc_ptr, jp2->comps[i].bpcc, 1); /* write each component information */
 640                 ++l_current_bpcc_ptr;
 641         }
 642
 643         *p_nb_bytes_written = l_bpcc_size;
 644
 645         return l_bpcc_data;
 646 }
 647
 648 OPJ_BOOL opj_jp2_read_bpcc( opj_jp2_t *jp2,
 649                             OPJ_BYTE * p_bpc_header_data,
 650                             OPJ_UINT32 p_bpc_header_size,
 651                             opj_event_mgr_t * p_manager
 652                             )
 653 {
 654         OPJ_UINT32 i;
 655
 656         /* preconditions */
 657         assert(p_bpc_header_data != 00);
 658         assert(jp2 != 00);
 659         assert(p_manager != 00);
 660
 661
 662         if (jp2->bpc != 255 ){
 663                 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);
 664         }
 665
 666         /* and length is relevant */
 667         if (p_bpc_header_size != jp2->numcomps) {
 668                 opj_event_msg(p_manager, EVT_ERROR, "Bad BPCC header box (bad size)\n");
 669                 return OPJ_FALSE;
 670         }
 671
 672         /* read info for each component */
 673         for (i = 0; i < jp2->numcomps; ++i) {
 674                 opj_read_bytes(p_bpc_header_data,&jp2->comps[i].bpcc ,1);       /* read each BPCC component */
 675                 ++p_bpc_header_data;
 676         }
 677
 678         return OPJ_TRUE;
 679 }
 680
 681 OPJ_BYTE * opj_jp2_write_colr(  opj_jp2_t *jp2,
 682                                                             OPJ_UINT32 * p_nb_bytes_written
 683                                 )
 684 {
 685         /* room for 8 bytes for box 3 for common data and variable upon profile*/
 686         OPJ_UINT32 l_colr_size = 11;
 687         OPJ_BYTE * l_colr_data,* l_current_colr_ptr;
 688
 689         /* preconditions */
 690         assert(jp2 != 00);
 691         assert(p_nb_bytes_written != 00);
 692     assert(jp2->meth == 1 || jp2->meth == 2);
 693
 694         switch (jp2->meth) {
 695                 case 1 :
 696                         l_colr_size += 4; /* EnumCS */
 697                         break;
 698                 case 2 :
 699             assert(jp2->color.icc_profile_len); /* ICC profile */
 700             l_colr_size += jp2->color.icc_profile_len;
 701                         break;
 702                 default :
 703                         return 00;
 704         }
 705
 706         l_colr_data = (OPJ_BYTE *) opj_malloc(l_colr_size);
 707         if (l_colr_data == 00) {
 708                 return 00;
 709         }
 710         memset(l_colr_data,0,l_colr_size);
 711
 712         l_current_colr_ptr = l_colr_data;
 713
 714         opj_write_bytes(l_current_colr_ptr,l_colr_size,4);                              /* write box size */
 715         l_current_colr_ptr += 4;
 716
 717         opj_write_bytes(l_current_colr_ptr,JP2_COLR,4);                                 /* BPCC */
 718         l_current_colr_ptr += 4;
 719
 720         opj_write_bytes(l_current_colr_ptr, jp2->meth,1);                               /* METH */
 721         ++l_current_colr_ptr;
 722
 723         opj_write_bytes(l_current_colr_ptr, jp2->precedence,1);                 /* PRECEDENCE */
 724         ++l_current_colr_ptr;
 725
 726         opj_write_bytes(l_current_colr_ptr, jp2->approx,1);                             /* APPROX */
 727         ++l_current_colr_ptr;
 728
 729         if (jp2->meth == 1) { /* Meth value is restricted to 1 or 2 (Table I.9 of part 1) */
 730         opj_write_bytes(l_current_colr_ptr, jp2->enumcs,4); }       /* EnumCS */
 731     else {
 732         if (jp2->meth == 2) {                                      /* ICC profile */
 733             OPJ_UINT32 i;
 734             for(i = 0; i < jp2->color.icc_profile_len; ++i) {
 735                 opj_write_bytes(l_current_colr_ptr, jp2->color.icc_profile_buf[i], 1);
 736                 ++l_current_colr_ptr;
 737             }
 738         }
 739         }
 740
 741         *p_nb_bytes_written = l_colr_size;
 742
 743         return l_colr_data;
 744 }
 745
 746 void opj_jp2_free_pclr(opj_jp2_color_t *color)
 747 {
 748     opj_free(color->jp2_pclr->channel_sign);
 749     opj_free(color->jp2_pclr->channel_size);
 750     opj_free(color->jp2_pclr->entries);
 751
 752         if(color->jp2_pclr->cmap) opj_free(color->jp2_pclr->cmap);
 753
 754     opj_free(color->jp2_pclr); color->jp2_pclr = NULL;
 755 }
 756
 757 static OPJ_BOOL opj_jp2_check_color(opj_image_t *image, opj_jp2_color_t *color, opj_event_mgr_t *p_manager)
 758 {
 759         OPJ_UINT16 i;
 760
 761         /* testcase 4149.pdf.SIGSEGV.cf7.3501 */
 762         if (color->jp2_cdef) {
 763                 opj_jp2_cdef_info_t *info = color->jp2_cdef->info;
 764                 OPJ_UINT16 n = color->jp2_cdef->n;
 765
 766                 for (i = 0; i < n; i++) {
 767                         if (info[i].cn >= image->numcomps) {
 768                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].cn, image->numcomps);
 769                                 return OPJ_FALSE;
 770                         }
 771                         if (info[i].asoc > 0 && (OPJ_UINT32)(info[i].asoc - 1) >= image->numcomps) {
 772                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].asoc - 1, image->numcomps);
 773                                 return OPJ_FALSE;
 774                         }
 775                 }
 776         }
 777
 778         /* testcases 451.pdf.SIGSEGV.f4c.3723, 451.pdf.SIGSEGV.5b5.3723 and
 779            66ea31acbb0f23a2bbc91f64d69a03f5_signal_sigsegv_13937c0_7030_5725.pdf */
 780         if (color->jp2_pclr && color->jp2_pclr->cmap) {
 781                 OPJ_UINT16 nr_channels = color->jp2_pclr->nr_channels;
 782                 opj_jp2_cmap_comp_t *cmap = color->jp2_pclr->cmap;
 783                 OPJ_BOOL *pcol_usage, is_sane = OPJ_TRUE;
 784
 785                 /* verify that all original components match an existing one */
 786                 for (i = 0; i < nr_channels; i++) {
 787                         if (cmap[i].cmp >= image->numcomps) {
 788                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", cmap[i].cmp, image->numcomps);
 789                                 is_sane = OPJ_FALSE;
 790                         }
 791                 }
 792
 793                 pcol_usage = opj_calloc(nr_channels, sizeof(OPJ_BOOL));
 794                 if (!pcol_usage) {
 795                         opj_event_msg(p_manager, EVT_ERROR, "Unexpected OOM.\n");
 796                         return OPJ_FALSE;
 797                 }
 798                 /* verify that no component is targeted more than once */
 799                 for (i = 0; i < nr_channels; i++) {
 800                         OPJ_UINT16 pcol = cmap[i].pcol;
 801                         if (pcol >= nr_channels) {
 802                                 opj_event_msg(p_manager, EVT_ERROR, "Invalid component/palette index for direct mapping %d.\n", pcol);
 803                                 is_sane = OPJ_FALSE;
 804                         }
 805                         else if (pcol_usage[pcol]) {
 806                                 opj_event_msg(p_manager, EVT_ERROR, "Component %d is mapped twice.\n", pcol);
 807                                 is_sane = OPJ_FALSE;
 808                         }
 809                         else
 810                                 pcol_usage[pcol] = OPJ_TRUE;
 811                 }
 812                 /* verify that all components are targeted at least once */
 813                 for (i = 0; i < nr_channels; i++) {
 814                         if (!pcol_usage[i]) {
 815                                 opj_event_msg(p_manager, EVT_ERROR, "Component %d doesn't have a mapping.\n", i);
 816                                 is_sane = OPJ_FALSE;
 817                         }
 818                 }
 819                 opj_free(pcol_usage);
 820                 if (!is_sane) {
 821                         return OPJ_FALSE;
 822                 }
 823         }
 824
 825         return OPJ_TRUE;
 826 }
 827
 828 /* file9.jp2 */
 829 void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color)
 830 {
 831         opj_image_comp_t *old_comps, *new_comps;
 832         OPJ_BYTE *channel_size, *channel_sign;
 833         OPJ_UINT32 *entries;
 834         opj_jp2_cmap_comp_t *cmap;
 835         OPJ_INT32 *src, *dst;
 836         OPJ_UINT32 j, max;
 837         OPJ_UINT16 i, nr_channels, cmp, pcol;
 838         OPJ_INT32 k, top_k;
 839
 840         channel_size = color->jp2_pclr->channel_size;
 841         channel_sign = color->jp2_pclr->channel_sign;
 842         entries = color->jp2_pclr->entries;
 843         cmap = color->jp2_pclr->cmap;
 844         nr_channels = color->jp2_pclr->nr_channels;
 845
 846         old_comps = image->comps;
 847         new_comps = (opj_image_comp_t*)
 848                         opj_malloc(nr_channels * sizeof(opj_image_comp_t));
 849
 850         for(i = 0; i < nr_channels; ++i) {
 851                 pcol = cmap[i].pcol; cmp = cmap[i].cmp;
 852
 853                 new_comps[pcol] = old_comps[cmp];
 854
 855                 /* Direct use */
 856                 if(cmap[i].mtyp == 0){
 857                         old_comps[cmp].data = NULL; continue;
 858                 }
 859
 860                 /* Palette mapping: */
 861                 new_comps[pcol].data = (OPJ_INT32*)
 862                                 opj_malloc(old_comps[cmp].w * old_comps[cmp].h * sizeof(OPJ_INT32));
 863                 new_comps[pcol].prec = channel_size[i];
 864                 new_comps[pcol].sgnd = channel_sign[i];
 865         }
 866
 867         top_k = color->jp2_pclr->nr_entries - 1;
 868
 869         for(i = 0; i < nr_channels; ++i) {
 870                 /* Direct use: */
 871                 if(cmap[i].mtyp == 0) continue;
 872
 873                 /* Palette mapping: */
 874                 cmp = cmap[i].cmp; pcol = cmap[i].pcol;
 875                 src = old_comps[cmp].data;
 876                 dst = new_comps[pcol].data;
 877                 max = new_comps[pcol].w * new_comps[pcol].h;
 878
 879                 for(j = 0; j < max; ++j)
 880                 {
 881                         /* The index */
 882                         if((k = src[j]) < 0) k = 0; else if(k > top_k) k = top_k;
 883
 884                         /* The colour */
 885                         dst[j] = entries[k * nr_channels + pcol];
 886                 }
 887         }
 888
 889         max = image->numcomps;
 890         for(i = 0; i < max; ++i) {
 891                 if(old_comps[i].data) opj_free(old_comps[i].data);
 892         }
 893
 894         opj_free(old_comps);
 895         image->comps = new_comps;
 896         image->numcomps = nr_channels;
 897
 898         opj_jp2_free_pclr(color);
 899
 900 }/* apply_pclr() */
 901
 902 OPJ_BOOL opj_jp2_read_pclr(     opj_jp2_t *jp2,
 903                             OPJ_BYTE * p_pclr_header_data,
 904                             OPJ_UINT32 p_pclr_header_size,
 905                             opj_event_mgr_t * p_manager
 906                             )
 907 {
 908         opj_jp2_pclr_t *jp2_pclr;
 909         OPJ_BYTE *channel_size, *channel_sign;
 910         OPJ_UINT32 *entries;
 911         OPJ_UINT16 nr_entries,nr_channels;
 912         OPJ_UINT16 i, j;
 913         OPJ_UINT32 l_value;
 914         OPJ_BYTE *orig_header_data = p_pclr_header_data;
 915
 916         /* preconditions */
 917         assert(p_pclr_header_data != 00);
 918         assert(jp2 != 00);
 919         assert(p_manager != 00);
 920     (void)p_pclr_header_size;
 921
 922         if(jp2->color.jp2_pclr)
 923                 return OPJ_FALSE;
 924
 925         if (p_pclr_header_size < 3)
 926                 return OPJ_FALSE;
 927
 928         opj_read_bytes(p_pclr_header_data, &l_value , 2);       /* NE */
 929         p_pclr_header_data += 2;
 930         nr_entries = (OPJ_UINT16) l_value;
 931
 932         opj_read_bytes(p_pclr_header_data, &l_value , 1);       /* NPC */
 933         ++p_pclr_header_data;
 934         nr_channels = (OPJ_UINT16) l_value;
 935
 936         if (p_pclr_header_size < 3 + (OPJ_UINT32)nr_channels || nr_channels == 0 || nr_entries >= (OPJ_UINT32)-1 / nr_channels)
 937                 return OPJ_FALSE;
 938
 939         entries = (OPJ_UINT32*) opj_malloc(nr_channels * nr_entries * sizeof(OPJ_UINT32));
 940     if (!entries)
 941         return OPJ_FALSE;
 942         channel_size = (OPJ_BYTE*) opj_malloc(nr_channels);
 943     if (!channel_size)
 944     {
 945         opj_free(entries);
 946         return OPJ_FALSE;
 947     }
 948         channel_sign = (OPJ_BYTE*) opj_malloc(nr_channels);
 949         if (!channel_sign)
 950         {
 951         opj_free(entries);
 952         opj_free(channel_size);
 953         return OPJ_FALSE;
 954         }
 955
 956         jp2_pclr = (opj_jp2_pclr_t*)opj_malloc(sizeof(opj_jp2_pclr_t));
 957     if (!jp2_pclr)
 958     {
 959         opj_free(entries);
 960         opj_free(channel_size);
 961         opj_free(channel_sign);
 962         return OPJ_FALSE;
 963     }
 964
 965         jp2_pclr->channel_sign = channel_sign;
 966         jp2_pclr->channel_size = channel_size;
 967         jp2_pclr->entries = entries;
 968         jp2_pclr->nr_entries = nr_entries;
 969         jp2_pclr->nr_channels = (OPJ_BYTE) l_value;
 970         jp2_pclr->cmap = NULL;
 971
 972         jp2->color.jp2_pclr = jp2_pclr;
 973
 974         for(i = 0; i < nr_channels; ++i) {
 975                 opj_read_bytes(p_pclr_header_data, &l_value , 1);       /* Bi */
 976                 ++p_pclr_header_data;
 977
 978                 channel_size[i] = (OPJ_BYTE)((l_value & 0x7f) + 1);
 979                 channel_sign[i] = (l_value & 0x80) ? 1 : 0;
 980         }
 981
 982         for(j = 0; j < nr_entries; ++j) {
 983                 for(i = 0; i < nr_channels; ++i) {
 984                         OPJ_INT32 bytes_to_read = (channel_size[i]+7)>>3;
 985
 986                         if (bytes_to_read > sizeof(OPJ_UINT32))
 987                                 bytes_to_read = sizeof(OPJ_UINT32);
 988                         if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + bytes_to_read)
 989                                 return OPJ_FALSE;
 990
 991                         if (bytes_to_read > sizeof(OPJ_UINT32))
 992                                 bytes_to_read = sizeof(OPJ_UINT32);
 993                         if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + bytes_to_read)
 994                                 return OPJ_FALSE;
 995
 996                         opj_read_bytes(p_pclr_header_data, &l_value , bytes_to_read);   /* Cji */
 997                         p_pclr_header_data += bytes_to_read;
 998                         *entries = (OPJ_UINT32) l_value;
 999                         entries++;
1000                 }
1001         }
1002
1003         return OPJ_TRUE;
1004 }
1005
1006 OPJ_BOOL opj_jp2_read_cmap(     opj_jp2_t * jp2,
1007                             OPJ_BYTE * p_cmap_header_data,
1008                             OPJ_UINT32 p_cmap_header_size,
1009                             opj_event_mgr_t * p_manager
1010                             )
1011 {
1012         opj_jp2_cmap_comp_t *cmap;
1013         OPJ_BYTE i, nr_channels;
1014         OPJ_UINT32 l_value;
1015
1016         /* preconditions */
1017         assert(jp2 != 00);
1018         assert(p_cmap_header_data != 00);
1019         assert(p_manager != 00);
1020     (void)p_cmap_header_size;
1021
1022         /* Need nr_channels: */
1023         if(jp2->color.jp2_pclr == NULL) {
1024                 opj_event_msg(p_manager, EVT_ERROR, "Need to read a PCLR box before the CMAP box.\n");
1025                 return OPJ_FALSE;
1026         }
1027
1028         /* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box
1029          * inside a JP2 Header box' :
1030         */
1031         if(jp2->color.jp2_pclr->cmap) {
1032                 opj_event_msg(p_manager, EVT_ERROR, "Only one CMAP box is allowed.\n");
1033                 return OPJ_FALSE;
1034         }
1035
1036         nr_channels = jp2->color.jp2_pclr->nr_channels;
1037         if (p_cmap_header_size < (OPJ_UINT32)nr_channels * 4) {
1038                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CMAP box.\n");
1039                 return OPJ_FALSE;
1040         }
1041
1042         if (p_cmap_header_size < (OPJ_UINT32)nr_channels * 4) {
1043                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CMAP box.\n");
1044                 return OPJ_FALSE;
1045         }
1046
1047         cmap = (opj_jp2_cmap_comp_t*) opj_malloc(nr_channels * sizeof(opj_jp2_cmap_comp_t));
1048     if (!cmap)
1049         return OPJ_FALSE;
1050
1051
1052         for(i = 0; i < nr_channels; ++i) {
1053                 opj_read_bytes(p_cmap_header_data, &l_value, 2);                        /* CMP^i */
1054                 p_cmap_header_data +=2;
1055                 cmap[i].cmp = (OPJ_UINT16) l_value;
1056
1057                 opj_read_bytes(p_cmap_header_data, &l_value, 1);                        /* MTYP^i */
1058                 ++p_cmap_header_data;
1059                 cmap[i].mtyp = (OPJ_BYTE) l_value;
1060
1061                 opj_read_bytes(p_cmap_header_data, &l_value, 1);                        /* PCOL^i */
1062                 ++p_cmap_header_data;
1063                 cmap[i].pcol = (OPJ_BYTE) l_value;
1064         }
1065
1066         jp2->color.jp2_pclr->cmap = cmap;
1067
1068         return OPJ_TRUE;
1069 }
1070
1071 void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color)
1072 {
1073         opj_jp2_cdef_info_t *info;
1074         OPJ_UINT16 i, n, cn, asoc, acn;
1075
1076         info = color->jp2_cdef->info;
1077         n = color->jp2_cdef->n;
1078
1079   for(i = 0; i < n; ++i)
1080     {
1081     /* WATCH: acn = asoc - 1 ! */
1082     asoc = info[i].asoc;
1083     if(asoc == 0 || asoc == 65535)
1084       {
1085       if (i < image->numcomps)
1086         image->comps[i].alpha = info[i].typ;
1087       continue;
1088       }
1089
1090     cn = info[i].cn;
1091     acn = (OPJ_INT16)(asoc - 1);
1092     if( cn >= image->numcomps || acn >= image->numcomps )
1093       {
1094       fprintf(stderr, "cn=%d, acn=%d, numcomps=%d\n", cn, acn, image->numcomps);
1095       continue;
1096       }
1097
1098                 if(cn != acn)
1099                 {
1100                         opj_image_comp_t saved;
1101
1102                         memcpy(&saved, &image->comps[cn], sizeof(opj_image_comp_t));
1103                         memcpy(&image->comps[cn], &image->comps[acn], sizeof(opj_image_comp_t));
1104                         memcpy(&image->comps[acn], &saved, sizeof(opj_image_comp_t));
1105
1106                         info[i].asoc = (OPJ_UINT16)(cn + 1);
1107                         info[acn].asoc = (OPJ_UINT16)(info[acn].cn + 1);
1108                 }
1109
1110                 image->comps[cn].alpha = info[i].typ;
1111         }
1112
1113         if(color->jp2_cdef->info) opj_free(color->jp2_cdef->info);
1114
1115         opj_free(color->jp2_cdef); color->jp2_cdef = NULL;
1116
1117 }/* jp2_apply_cdef() */
1118
1119 OPJ_BOOL opj_jp2_read_cdef(     opj_jp2_t * jp2,
1120                             OPJ_BYTE * p_cdef_header_data,
1121                                                         OPJ_UINT32 p_cdef_header_size,
1122                                                         opj_event_mgr_t * p_manager
1123                             )
1124 {
1125         opj_jp2_cdef_info_t *cdef_info;
1126         OPJ_UINT16 i;
1127         OPJ_UINT32 l_value;
1128
1129         /* preconditions */
1130         assert(jp2 != 00);
1131         assert(p_cdef_header_data != 00);
1132         assert(p_manager != 00);
1133     (void)p_cdef_header_size;
1134
1135         /* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box
1136          * inside a JP2 Header box.'*/
1137         if(jp2->color.jp2_cdef) return OPJ_FALSE;
1138
1139         if (p_cdef_header_size < 2) {
1140                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1141                 return OPJ_FALSE;
1142         }
1143
1144         if (p_cdef_header_size < 2) {
1145                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1146                 return OPJ_FALSE;
1147         }
1148
1149         opj_read_bytes(p_cdef_header_data,&l_value ,2);                 /* N */
1150         p_cdef_header_data+= 2;
1151
1152         if ( (OPJ_UINT16)l_value == 0){ /* szukw000: FIXME */
1153                 opj_event_msg(p_manager, EVT_ERROR, "Number of channel description is equal to zero in CDEF box.\n");
1154                 return OPJ_FALSE;
1155         }
1156
1157         if (p_cdef_header_size < 2 + (OPJ_UINT32)(OPJ_UINT16)l_value * 6) {
1158                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1159                 return OPJ_FALSE;
1160         }
1161
1162         if (p_cdef_header_size < 2 + (OPJ_UINT32)(OPJ_UINT16)l_value * 6) {
1163                 opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n");
1164                 return OPJ_FALSE;
1165         }
1166
1167         cdef_info = (opj_jp2_cdef_info_t*) opj_malloc(l_value * sizeof(opj_jp2_cdef_info_t));
1168     if (!cdef_info)
1169         return OPJ_FALSE;
1170
1171         jp2->color.jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t));
1172     if(!jp2->color.jp2_cdef)
1173     {
1174         opj_free(cdef_info);
1175         return OPJ_FALSE;
1176     }
1177         jp2->color.jp2_cdef->info = cdef_info;
1178         jp2->color.jp2_cdef->n = (OPJ_UINT16) l_value;
1179
1180         for(i = 0; i < jp2->color.jp2_cdef->n; ++i) {
1181                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Cn^i */
1182                 p_cdef_header_data +=2;
1183                 cdef_info[i].cn = (OPJ_UINT16) l_value;
1184
1185                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Typ^i */
1186                 p_cdef_header_data +=2;
1187                 cdef_info[i].typ = (OPJ_UINT16) l_value;
1188
1189                 opj_read_bytes(p_cdef_header_data, &l_value, 2);                        /* Asoc^i */
1190                 p_cdef_header_data +=2;
1191                 cdef_info[i].asoc = (OPJ_UINT16) l_value;
1192    }
1193
1194         return OPJ_TRUE;
1195 }
1196
1197 OPJ_BOOL opj_jp2_read_colr( opj_jp2_t *jp2,
1198                             OPJ_BYTE * p_colr_header_data,
1199                             OPJ_UINT32 p_colr_header_size,
1200                             opj_event_mgr_t * p_manager
1201                             )
1202 {
1203         OPJ_UINT32 l_value;
1204
1205         /* preconditions */
1206         assert(jp2 != 00);
1207         assert(p_colr_header_data != 00);
1208         assert(p_manager != 00);
1209
1210         if (p_colr_header_size < 3) {
1211                 opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size)\n");
1212                 return OPJ_FALSE;
1213         }
1214
1215         /* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour
1216          * Specification boxes after the first.'
1217         */
1218         if(jp2->color.jp2_has_colr) {
1219                 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");
1220                 p_colr_header_data += p_colr_header_size;
1221                 return OPJ_TRUE;
1222         }
1223
1224         opj_read_bytes(p_colr_header_data,&jp2->meth ,1);                       /* METH */
1225         ++p_colr_header_data;
1226
1227         opj_read_bytes(p_colr_header_data,&jp2->precedence ,1);         /* PRECEDENCE */
1228         ++p_colr_header_data;
1229
1230         opj_read_bytes(p_colr_header_data,&jp2->approx ,1);                     /* APPROX */
1231         ++p_colr_header_data;
1232
1233         if (jp2->meth == 1) {
1234                 if (p_colr_header_size < 7) {
1235                         opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size: %d)\n", p_colr_header_size);
1236                         return OPJ_FALSE;
1237                 }
1238                 if (p_colr_header_size > 7) {
1239                         /* testcase Altona_Technical_v20_x4.pdf */
1240                         opj_event_msg(p_manager, EVT_WARNING, "Bad COLR header box (bad size: %d)\n", p_colr_header_size);
1241                 }
1242
1243                 opj_read_bytes(p_colr_header_data,&jp2->enumcs ,4);                     /* EnumCS */
1244
1245         jp2->color.jp2_has_colr = 1;
1246         }
1247         else if (jp2->meth == 2) {
1248                 /* ICC profile */
1249                 OPJ_INT32 it_icc_value = 0;
1250                 OPJ_INT32 icc_len = p_colr_header_size - 3;
1251
1252                 jp2->color.icc_profile_len = icc_len;
1253                 jp2->color.icc_profile_buf = (OPJ_BYTE*) opj_malloc(icc_len);
1254         if (!jp2->color.icc_profile_buf)
1255         {
1256             jp2->color.icc_profile_len = 0;
1257             return OPJ_FALSE;
1258         }
1259                 memset(jp2->color.icc_profile_buf, 0, icc_len * sizeof(OPJ_BYTE));
1260
1261                 for (it_icc_value = 0; it_icc_value < icc_len; ++it_icc_value)
1262                 {
1263                         opj_read_bytes(p_colr_header_data,&l_value,1);          /* icc values */
1264                         ++p_colr_header_data;
1265                         jp2->color.icc_profile_buf[it_icc_value] = (OPJ_BYTE) l_value;
1266                 }
1267
1268         jp2->color.jp2_has_colr = 1;
1269         }
1270         else if (jp2->meth > 2)
1271     {
1272         /*      ISO/IEC 15444-1:2004 (E), Table I.9 � Legal METH values:
1273         conforming JP2 reader shall ignore the entire Colour Specification box.*/
1274         opj_event_msg(p_manager, EVT_INFO, "COLR BOX meth value is not a regular value (%d), "
1275             "so we will ignore the entire Colour Specification box. \n", jp2->meth);
1276     }
1277     return OPJ_TRUE;
1278 }
1279
1280 OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2,
1281                         opj_stream_private_t *p_stream,
1282                         opj_image_t* p_image,
1283                         opj_event_mgr_t * p_manager)
1284 {
1285         if (!p_image)
1286                 return OPJ_FALSE;
1287
1288         /* J2K decoding */
1289         if( ! opj_j2k_decode(jp2->j2k, p_stream, p_image, p_manager) ) {
1290                 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
1291                 return OPJ_FALSE;
1292         }
1293
1294     if (!jp2->ignore_pclr_cmap_cdef){
1295             if (!opj_jp2_check_color(p_image, &(jp2->color), p_manager)) {
1296                     return OPJ_FALSE;
1297             }
1298
1299             /* Set Image Color Space */
1300             if (jp2->enumcs == 16)
1301                     p_image->color_space = OPJ_CLRSPC_SRGB;
1302             else if (jp2->enumcs == 17)
1303                     p_image->color_space = OPJ_CLRSPC_GRAY;
1304             else if (jp2->enumcs == 18)
1305                     p_image->color_space = OPJ_CLRSPC_SYCC;
1306             else if (jp2->enumcs == 24)
1307                     p_image->color_space = OPJ_CLRSPC_EYCC;
1308             else
1309                     p_image->color_space = OPJ_CLRSPC_UNKNOWN;
1310
1311             /* Apply the color space if needed */
1312             if(jp2->color.jp2_cdef) {
1313                     opj_jp2_apply_cdef(p_image, &(jp2->color));
1314             }
1315
1316             if(jp2->color.jp2_pclr) {
1317                     /* Part 1, I.5.3.4: Either both or none : */
1318                     if( !jp2->color.jp2_pclr->cmap)
1319                             opj_jp2_free_pclr(&(jp2->color));
1320                     else
1321                             opj_jp2_apply_pclr(p_image, &(jp2->color));
1322             }
1323
1324             if(jp2->color.icc_profile_buf) {
1325                     p_image->icc_profile_buf = jp2->color.icc_profile_buf;
1326                     p_image->icc_profile_len = jp2->color.icc_profile_len;
1327                     jp2->color.icc_profile_buf = NULL;
1328             }
1329     }
1330
1331         return OPJ_TRUE;
1332 }
1333
1334 OPJ_BOOL opj_jp2_write_jp2h(opj_jp2_t *jp2,
1335                             opj_stream_private_t *stream,
1336                             opj_event_mgr_t * p_manager
1337                             )
1338 {
1339         opj_jp2_img_header_writer_handler_t l_writers [3];
1340         opj_jp2_img_header_writer_handler_t * l_current_writer;
1341
1342         OPJ_INT32 i, l_nb_pass;
1343         /* size of data for super box*/
1344         OPJ_INT32 l_jp2h_size = 8;
1345         OPJ_BOOL l_result = OPJ_TRUE;
1346
1347         /* to store the data of the super box */
1348         OPJ_BYTE l_jp2h_data [8];
1349
1350         /* preconditions */
1351         assert(stream != 00);
1352         assert(jp2 != 00);
1353         assert(p_manager != 00);
1354
1355         memset(l_writers,0,sizeof(l_writers));
1356
1357         if (jp2->bpc == 255) {
1358                 l_nb_pass = 3;
1359                 l_writers[0].handler = opj_jp2_write_ihdr;
1360                 l_writers[1].handler = opj_jp2_write_bpcc;
1361                 l_writers[2].handler = opj_jp2_write_colr;
1362         }
1363         else {
1364                 l_nb_pass = 2;
1365                 l_writers[0].handler = opj_jp2_write_ihdr;
1366                 l_writers[1].handler = opj_jp2_write_colr;
1367         }
1368
1369         /* write box header */
1370         /* write JP2H type */
1371         opj_write_bytes(l_jp2h_data+4,JP2_JP2H,4);
1372
1373         l_current_writer = l_writers;
1374         for (i=0;i<l_nb_pass;++i) {
1375                 l_current_writer->m_data = l_current_writer->handler(jp2,&(l_current_writer->m_size));
1376                 if (l_current_writer->m_data == 00) {
1377                         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to hold JP2 Header data\n");
1378                         l_result = OPJ_FALSE;
1379                         break;
1380                 }
1381
1382                 l_jp2h_size += l_current_writer->m_size;
1383                 ++l_current_writer;
1384         }
1385
1386         if (! l_result) {
1387                 l_current_writer = l_writers;
1388                 for (i=0;i<l_nb_pass;++i) {
1389                         if (l_current_writer->m_data != 00) {
1390                                 opj_free(l_current_writer->m_data );
1391                         }
1392                         ++l_current_writer;
1393                 }
1394
1395                 return OPJ_FALSE;
1396         }
1397
1398         /* write super box size */
1399         opj_write_bytes(l_jp2h_data,l_jp2h_size,4);
1400
1401         /* write super box data on stream */
1402         if (opj_stream_write_data(stream,l_jp2h_data,8,p_manager) != 8) {
1403                 opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
1404                 l_result = OPJ_FALSE;
1405         }
1406
1407         if (l_result) {
1408                 l_current_writer = l_writers;
1409                 for (i=0;i<l_nb_pass;++i) {
1410                         if (opj_stream_write_data(stream,l_current_writer->m_data,l_current_writer->m_size,p_manager) != l_current_writer->m_size) {
1411                                 opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
1412                                 l_result = OPJ_FALSE;
1413                                 break;
1414                         }
1415                         ++l_current_writer;
1416                 }
1417         }
1418
1419         l_current_writer = l_writers;
1420
1421         /* cleanup */
1422         for (i=0;i<l_nb_pass;++i) {
1423                 if (l_current_writer->m_data != 00) {
1424                         opj_free(l_current_writer->m_data );
1425                 }
1426                 ++l_current_writer;
1427         }
1428
1429         return l_result;
1430 }
1431
1432 OPJ_BOOL opj_jp2_write_ftyp(opj_jp2_t *jp2,
1433                                                         opj_stream_private_t *cio,
1434                                                         opj_event_mgr_t * p_manager )
1435 {
1436         OPJ_UINT32 i;
1437         OPJ_UINT32 l_ftyp_size = 16 + 4 * jp2->numcl;
1438         OPJ_BYTE * l_ftyp_data, * l_current_data_ptr;
1439         OPJ_BOOL l_result;
1440
1441         /* preconditions */
1442         assert(cio != 00);
1443         assert(jp2 != 00);
1444         assert(p_manager != 00);
1445
1446         l_ftyp_data = (OPJ_BYTE *) opj_malloc(l_ftyp_size);
1447
1448         if (l_ftyp_data == 00) {
1449                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle ftyp data\n");
1450                 return OPJ_FALSE;
1451         }
1452
1453         memset(l_ftyp_data,0,l_ftyp_size);
1454
1455         l_current_data_ptr = l_ftyp_data;
1456
1457         opj_write_bytes(l_current_data_ptr, l_ftyp_size,4); /* box size */
1458         l_current_data_ptr += 4;
1459
1460         opj_write_bytes(l_current_data_ptr, JP2_FTYP,4); /* FTYP */
1461         l_current_data_ptr += 4;
1462
1463         opj_write_bytes(l_current_data_ptr, jp2->brand,4); /* BR */
1464         l_current_data_ptr += 4;
1465
1466         opj_write_bytes(l_current_data_ptr, jp2->minversion,4); /* MinV */
1467         l_current_data_ptr += 4;
1468
1469         for (i = 0; i < jp2->numcl; i++)  {
1470                 opj_write_bytes(l_current_data_ptr, jp2->cl[i],4);      /* CL */
1471         }
1472
1473         l_result = (opj_stream_write_data(cio,l_ftyp_data,l_ftyp_size,p_manager) == l_ftyp_size);
1474         if (! l_result)
1475         {
1476                 opj_event_msg(p_manager, EVT_ERROR, "Error while writing ftyp data to stream\n");
1477         }
1478
1479         opj_free(l_ftyp_data);
1480
1481         return l_result;
1482 }
1483
1484 OPJ_BOOL opj_jp2_write_jp2c(opj_jp2_t *jp2,
1485                                                         opj_stream_private_t *cio,
1486                                                         opj_event_mgr_t * p_manager )
1487 {
1488         OPJ_OFF_T j2k_codestream_exit;
1489         OPJ_BYTE l_data_header [8];
1490
1491         /* preconditions */
1492         assert(jp2 != 00);
1493         assert(cio != 00);
1494         assert(p_manager != 00);
1495         assert(opj_stream_has_seek(cio));
1496
1497         j2k_codestream_exit = opj_stream_tell(cio);
1498         opj_write_bytes(l_data_header,
1499                     (OPJ_UINT32) (j2k_codestream_exit - jp2->j2k_codestream_offset),
1500                     4); /* size of codestream */
1501         opj_write_bytes(l_data_header + 4,JP2_JP2C,4);                                                                     /* JP2C */
1502
1503         if (! opj_stream_seek(cio,jp2->j2k_codestream_offset,p_manager)) {
1504                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1505                 return OPJ_FALSE;
1506         }
1507
1508         if (opj_stream_write_data(cio,l_data_header,8,p_manager) != 8) {
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_seek(cio,j2k_codestream_exit,p_manager)) {
1514                 opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
1515                 return OPJ_FALSE;
1516         }
1517
1518         return OPJ_TRUE;
1519 }
1520
1521 OPJ_BOOL opj_jp2_write_jp(      opj_jp2_t *jp2,
1522                                             opj_stream_private_t *cio,
1523                                                 opj_event_mgr_t * p_manager )
1524 {
1525         /* 12 bytes will be read */
1526         OPJ_BYTE l_signature_data [12];
1527
1528         /* preconditions */
1529         assert(cio != 00);
1530         assert(jp2 != 00);
1531         assert(p_manager != 00);
1532
1533         /* write box length */
1534         opj_write_bytes(l_signature_data,12,4);
1535         /* writes box type */
1536         opj_write_bytes(l_signature_data+4,JP2_JP,4);
1537         /* writes magic number*/
1538         opj_write_bytes(l_signature_data+8,0x0d0a870a,4);
1539
1540         if (opj_stream_write_data(cio,l_signature_data,12,p_manager) != 12) {
1541                 return OPJ_FALSE;
1542         }
1543
1544         return OPJ_TRUE;
1545 }
1546
1547 /* ----------------------------------------------------------------------- */
1548 /* JP2 decoder interface                                             */
1549 /* ----------------------------------------------------------------------- */
1550
1551 void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters)
1552 {
1553         /* setup the J2K codec */
1554         opj_j2k_setup_decoder(jp2->j2k, parameters);
1555
1556         /* further JP2 initializations go here */
1557         jp2->color.jp2_has_colr = 0;
1558     jp2->ignore_pclr_cmap_cdef = parameters->flags & OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG;
1559 }
1560
1561 /* ----------------------------------------------------------------------- */
1562 /* JP2 encoder interface                                             */
1563 /* ----------------------------------------------------------------------- */
1564
1565 void opj_jp2_setup_encoder(     opj_jp2_t *jp2,
1566                             opj_cparameters_t *parameters,
1567                             opj_image_t *image,
1568                             opj_event_mgr_t * p_manager)
1569 {
1570     OPJ_UINT32 i;
1571         OPJ_INT32 depth_0, sign;
1572
1573         if(!jp2 || !parameters || !image)
1574                 return;
1575
1576         /* setup the J2K codec */
1577         /* ------------------- */
1578
1579         /* Check if number of components respects standard */
1580         if (image->numcomps < 1 || image->numcomps > 16384) {
1581                 opj_event_msg(p_manager, EVT_ERROR, "Invalid number of components specified while setting up JP2 encoder\n");
1582                 return;
1583         }
1584
1585         opj_j2k_setup_encoder(jp2->j2k, parameters, image, p_manager );
1586
1587         /* setup the JP2 codec */
1588         /* ------------------- */
1589
1590         /* Profile box */
1591
1592         jp2->brand = JP2_JP2;   /* BR */
1593         jp2->minversion = 0;    /* MinV */
1594         jp2->numcl = 1;
1595         jp2->cl = (OPJ_UINT32*) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32));
1596     if (!jp2->cl){
1597         jp2->cl = NULL;
1598         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n");
1599         return;
1600     }
1601         jp2->cl[0] = JP2_JP2;   /* CL0 : JP2 */
1602
1603         /* Image Header box */
1604
1605         jp2->numcomps = image->numcomps;        /* NC */
1606         jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t));
1607     if (!jp2->comps) {
1608         jp2->comps = NULL;
1609         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n");
1610         return;
1611     }
1612
1613         jp2->h = image->y1 - image->y0;         /* HEIGHT */
1614         jp2->w = image->x1 - image->x0;         /* WIDTH */
1615         /* BPC */
1616         depth_0 = image->comps[0].prec - 1;
1617         sign = image->comps[0].sgnd;
1618         jp2->bpc = depth_0 + (sign << 7);
1619         for (i = 1; i < image->numcomps; i++) {
1620                 OPJ_INT32 depth = image->comps[i].prec - 1;
1621                 sign = image->comps[i].sgnd;
1622                 if (depth_0 != depth)
1623                         jp2->bpc = 255;
1624         }
1625         jp2->C = 7;                     /* C : Always 7 */
1626         jp2->UnkC = 0;          /* UnkC, colorspace specified in colr box */
1627         jp2->IPR = 0;           /* IPR, no intellectual property */
1628
1629         /* BitsPerComponent box */
1630         for (i = 0; i < image->numcomps; i++) {
1631                 jp2->comps[i].bpcc = image->comps[i].prec - 1 + (image->comps[i].sgnd << 7);
1632         }
1633
1634         /* Colour Specification box */
1635     if(image->icc_profile_len) {
1636         jp2->meth = 2;
1637         jp2->enumcs = 0;
1638     }
1639     else {
1640         jp2->meth = 1;
1641         if (image->color_space == 1)
1642             jp2->enumcs = 16;   /* sRGB as defined by IEC 61966-2-1 */
1643         else if (image->color_space == 2)
1644             jp2->enumcs = 17;   /* greyscale */
1645         else if (image->color_space == 3)
1646             jp2->enumcs = 18;   /* YUV */
1647     }
1648
1649
1650         jp2->precedence = 0;    /* PRECEDENCE */
1651         jp2->approx = 0;                /* APPROX */
1652
1653         jp2->jpip_on = parameters->jpip_on;
1654 }
1655
1656 OPJ_BOOL opj_jp2_encode(opj_jp2_t *jp2,
1657                                                 opj_stream_private_t *stream,
1658                                                 opj_event_mgr_t * p_manager)
1659 {
1660         return opj_j2k_encode(jp2->j2k, stream, p_manager);
1661 }
1662
1663 OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2,
1664                                 opj_stream_private_t *cio,
1665                                 opj_event_mgr_t * p_manager
1666                                 )
1667 {
1668         /* preconditions */
1669         assert(jp2 != 00);
1670         assert(cio != 00);
1671         assert(p_manager != 00);
1672
1673         /* customization of the end encoding */
1674         opj_jp2_setup_end_header_reading(jp2);
1675
1676         /* write header */
1677         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,cio,p_manager)) {
1678                 return OPJ_FALSE;
1679         }
1680
1681         return opj_j2k_end_decompress(jp2->j2k, cio, p_manager);
1682 }
1683
1684 OPJ_BOOL opj_jp2_end_compress(  opj_jp2_t *jp2,
1685                                                             opj_stream_private_t *cio,
1686                                                             opj_event_mgr_t * p_manager
1687                                 )
1688 {
1689         /* preconditions */
1690         assert(jp2 != 00);
1691         assert(cio != 00);
1692         assert(p_manager != 00);
1693
1694         /* customization of the end encoding */
1695         opj_jp2_setup_end_header_writing(jp2);
1696
1697         if (! opj_j2k_end_compress(jp2->j2k,cio,p_manager)) {
1698                 return OPJ_FALSE;
1699         }
1700
1701         /* write header */
1702         return opj_jp2_exec(jp2,jp2->m_procedure_list,cio,p_manager);
1703 }
1704
1705 void opj_jp2_setup_end_header_writing (opj_jp2_t *jp2)
1706 {
1707         /* preconditions */
1708         assert(jp2 != 00);
1709
1710 #ifdef USE_JPIP
1711   if( jp2->jpip_on )
1712     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_iptr );
1713 #endif
1714         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2c );
1715         /* DEVELOPER CORNER, add your custom procedures */
1716 #ifdef USE_JPIP
1717   if( jp2->jpip_on )
1718     {
1719     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_cidx );
1720     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_fidx );
1721     }
1722 #endif
1723 }
1724
1725 void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2)
1726 {
1727         /* preconditions */
1728         assert(jp2 != 00);
1729         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
1730         /* DEVELOPER CORNER, add your custom procedures */
1731 }
1732
1733 OPJ_BOOL opj_jp2_default_validation (   opj_jp2_t * jp2,
1734                                         opj_stream_private_t *cio,
1735                                         opj_event_mgr_t * p_manager
1736                                         )
1737 {
1738         OPJ_BOOL l_is_valid = OPJ_TRUE;
1739         OPJ_UINT32 i;
1740
1741         /* preconditions */
1742         assert(jp2 != 00);
1743         assert(cio != 00);
1744         assert(p_manager != 00);
1745
1746         /* JPEG2000 codec validation */
1747
1748         /* STATE checking */
1749         /* make sure the state is at 0 */
1750         l_is_valid &= (jp2->jp2_state == JP2_STATE_NONE);
1751
1752         /* make sure not reading a jp2h ???? WEIRD */
1753         l_is_valid &= (jp2->jp2_img_state == JP2_IMG_STATE_NONE);
1754
1755         /* POINTER validation */
1756         /* make sure a j2k codec is present */
1757         l_is_valid &= (jp2->j2k != 00);
1758
1759         /* make sure a procedure list is present */
1760         l_is_valid &= (jp2->m_procedure_list != 00);
1761
1762         /* make sure a validation list is present */
1763         l_is_valid &= (jp2->m_validation_list != 00);
1764
1765         /* PARAMETER VALIDATION */
1766         /* number of components */
1767         l_is_valid &= (jp2->numcl > 0);
1768         /* width */
1769         l_is_valid &= (jp2->h > 0);
1770         /* height */
1771         l_is_valid &= (jp2->w > 0);
1772         /* precision */
1773         for (i = 0; i < jp2->numcomps; ++i)     {
1774                 l_is_valid &= (jp2->comps[i].bpcc > 0);
1775         }
1776
1777         /* METH */
1778         l_is_valid &= ((jp2->meth > 0) && (jp2->meth < 3));
1779
1780         /* stream validation */
1781         /* back and forth is needed */
1782         l_is_valid &= opj_stream_has_seek(cio);
1783
1784         return l_is_valid;
1785 }
1786
1787 OPJ_BOOL opj_jp2_read_header_procedure(  opj_jp2_t *jp2,
1788                                                 opj_stream_private_t *stream,
1789                                                 opj_event_mgr_t * p_manager
1790                                                 )
1791 {
1792         opj_jp2_box_t box;
1793         OPJ_UINT32 l_nb_bytes_read;
1794         const opj_jp2_header_handler_t * l_current_handler;
1795         OPJ_UINT32 l_last_data_size = OPJ_BOX_SIZE;
1796         OPJ_UINT32 l_current_data_size;
1797         OPJ_BYTE * l_current_data = 00;
1798
1799         /* preconditions */
1800         assert(stream != 00);
1801         assert(jp2 != 00);
1802         assert(p_manager != 00);
1803
1804         l_current_data = (OPJ_BYTE*)opj_malloc(l_last_data_size);
1805
1806         if (l_current_data == 00) {
1807                 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 file header\n");
1808                 return OPJ_FALSE;
1809         }
1810         memset(l_current_data, 0 , l_last_data_size);
1811
1812         while (opj_jp2_read_boxhdr(&box,&l_nb_bytes_read,stream,p_manager)) {
1813                 /* is it the codestream box ? */
1814                 if (box.type == JP2_JP2C) {
1815                         if (jp2->jp2_state & JP2_STATE_HEADER) {
1816                                 jp2->jp2_state |= JP2_STATE_CODESTREAM;
1817                                 opj_free(l_current_data);
1818                                 return OPJ_TRUE;
1819                         }
1820                         else {
1821                                 opj_event_msg(p_manager, EVT_ERROR, "bad placed jpeg codestream\n");
1822                                 opj_free(l_current_data);
1823                                 return OPJ_FALSE;
1824                         }
1825                 }
1826                 else if (box.length == 0) {
1827                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
1828                         opj_free(l_current_data);
1829                         return OPJ_FALSE;
1830                 }
1831                 /* testcase 1851.pdf.SIGSEGV.ce9.948 */
1832                 else if (box.length < l_nb_bytes_read) {
1833                         opj_event_msg(p_manager, EVT_ERROR, "invalid box size %d (%x)\n", box.length, box.type);
1834                         opj_free(l_current_data);
1835                         return OPJ_FALSE;
1836                 }
1837
1838                 l_current_handler = opj_jp2_find_handler(box.type);
1839                 l_current_data_size = box.length - l_nb_bytes_read;
1840
1841                 if (l_current_handler != 00) {
1842                         if (l_current_data_size > l_last_data_size) {
1843                                 OPJ_BYTE* new_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_data_size);
1844                                 if (!new_current_data) {
1845                                         opj_free(l_current_data);
1846                     opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 box\n");
1847                                         return OPJ_FALSE;
1848                                 }
1849                 l_current_data = new_current_data;
1850                                 l_last_data_size = l_current_data_size;
1851                         }
1852
1853                         l_nb_bytes_read = (OPJ_UINT32)opj_stream_read_data(stream,l_current_data,l_current_data_size,p_manager);
1854                         if (l_nb_bytes_read != l_current_data_size) {
1855                                 opj_event_msg(p_manager, EVT_ERROR, "Problem with reading JPEG2000 box, stream error\n");
1856                 opj_free(l_current_data);
1857                                 return OPJ_FALSE;
1858                         }
1859
1860                         if (! l_current_handler->handler(jp2,l_current_data,l_current_data_size,p_manager)) {
1861                                 opj_free(l_current_data);
1862                                 return OPJ_FALSE;
1863                         }
1864                 }
1865                 else {
1866                         jp2->jp2_state |= JP2_STATE_UNKNOWN;
1867                         if (opj_stream_skip(stream,l_current_data_size,p_manager) != l_current_data_size) {
1868                                 opj_event_msg(p_manager, EVT_ERROR, "Problem with skipping JPEG2000 box, stream error\n");
1869                                 opj_free(l_current_data);
1870                                 return OPJ_FALSE;
1871                         }
1872                 }
1873         }
1874
1875         opj_free(l_current_data);
1876
1877         return OPJ_TRUE;
1878 }
1879
1880 /**
1881  * Excutes the given procedures on the given codec.
1882  *
1883  * @param       p_procedure_list        the list of procedures to execute
1884  * @param       jp2                                     the jpeg2000 file codec to execute the procedures on.
1885  * @param       stream                                  the stream to execute the procedures on.
1886  * @param       p_manager                       the user manager.
1887  *
1888  * @return      true                            if all the procedures were successfully executed.
1889  */
1890 static OPJ_BOOL opj_jp2_exec (  opj_jp2_t * jp2,
1891                                 opj_procedure_list_t * p_procedure_list,
1892                                 opj_stream_private_t *stream,
1893                                 opj_event_mgr_t * p_manager
1894                                 )
1895
1896 {
1897         OPJ_BOOL (** l_procedure) (opj_jp2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *) = 00;
1898         OPJ_BOOL l_result = OPJ_TRUE;
1899         OPJ_UINT32 l_nb_proc, i;
1900
1901         /* preconditions */
1902         assert(p_procedure_list != 00);
1903         assert(jp2 != 00);
1904         assert(stream != 00);
1905         assert(p_manager != 00);
1906
1907         l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
1908         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);
1909
1910         for     (i=0;i<l_nb_proc;++i) {
1911                 l_result = l_result && (*l_procedure) (jp2,stream,p_manager);
1912                 ++l_procedure;
1913         }
1914
1915         /* and clear the procedure list at the end. */
1916         opj_procedure_list_clear(p_procedure_list);
1917         return l_result;
1918 }
1919
1920 OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2,
1921                                 opj_stream_private_t *stream,
1922                                 opj_image_t * p_image,
1923                                 opj_event_mgr_t * p_manager
1924                                 )
1925 {
1926         /* preconditions */
1927         assert(jp2 != 00);
1928         assert(stream != 00);
1929         assert(p_manager != 00);
1930
1931         /* customization of the validation */
1932         opj_jp2_setup_encoding_validation (jp2);
1933
1934         /* validation of the parameters codec */
1935         if (! opj_jp2_exec(jp2,jp2->m_validation_list,stream,p_manager)) {
1936                 return OPJ_FALSE;
1937         }
1938
1939         /* customization of the encoding */
1940         opj_jp2_setup_header_writing(jp2);
1941
1942         /* write header */
1943         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,stream,p_manager)) {
1944                 return OPJ_FALSE;
1945         }
1946
1947         return opj_j2k_start_compress(jp2->j2k,stream,p_image,p_manager);
1948 }
1949
1950 const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id)
1951 {
1952         OPJ_UINT32 i, l_handler_size = sizeof(jp2_header) / sizeof(opj_jp2_header_handler_t);
1953
1954         for (i=0;i<l_handler_size;++i) {
1955                 if (jp2_header[i].id == p_id) {
1956                         return &jp2_header[i];
1957                 }
1958         }
1959         return NULL;
1960 }
1961
1962 /**
1963  * Finds the image execution function related to the given box id.
1964  *
1965  * @param       p_id    the id of the handler to fetch.
1966  *
1967  * @return      the given handler or 00 if it could not be found.
1968  */
1969 static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id)
1970 {
1971         OPJ_UINT32 i, l_handler_size = sizeof(jp2_img_header) / sizeof(opj_jp2_header_handler_t);
1972         for (i=0;i<l_handler_size;++i)
1973         {
1974                 if (jp2_img_header[i].id == p_id) {
1975                         return &jp2_img_header[i];
1976                 }
1977         }
1978
1979         return NULL;
1980 }
1981
1982 /**
1983  * Reads a jpeg2000 file signature box.
1984  *
1985  * @param       p_header_data   the data contained in the signature box.
1986  * @param       jp2                             the jpeg2000 file codec.
1987  * @param       p_header_size   the size of the data contained in the signature box.
1988  * @param       p_manager               the user event manager.
1989  *
1990  * @return true if the file signature box is valid.
1991  */
1992 static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2,
1993                                 OPJ_BYTE * p_header_data,
1994                                 OPJ_UINT32 p_header_size,
1995                                 opj_event_mgr_t * p_manager
1996                                 )
1997
1998 {
1999         OPJ_UINT32 l_magic_number;
2000
2001         /* preconditions */
2002         assert(p_header_data != 00);
2003         assert(jp2 != 00);
2004         assert(p_manager != 00);
2005
2006         if (jp2->jp2_state != JP2_STATE_NONE) {
2007                 opj_event_msg(p_manager, EVT_ERROR, "The signature box must be the first box in the file.\n");
2008                 return OPJ_FALSE;
2009         }
2010
2011         /* assure length of data is correct (4 -> magic number) */
2012         if (p_header_size != 4) {
2013                 opj_event_msg(p_manager, EVT_ERROR, "Error with JP signature Box size\n");
2014                 return OPJ_FALSE;
2015         }
2016
2017         /* rearrange data */
2018         opj_read_bytes(p_header_data,&l_magic_number,4);
2019         if (l_magic_number != 0x0d0a870a ) {
2020                 opj_event_msg(p_manager, EVT_ERROR, "Error with JP Signature : bad magic number\n");
2021                 return OPJ_FALSE;
2022         }
2023
2024         jp2->jp2_state |= JP2_STATE_SIGNATURE;
2025
2026         return OPJ_TRUE;
2027 }
2028
2029 /**
2030  * Reads a a FTYP box - File type box
2031  *
2032  * @param       p_header_data   the data contained in the FTYP box.
2033  * @param       jp2                             the jpeg2000 file codec.
2034  * @param       p_header_size   the size of the data contained in the FTYP box.
2035  * @param       p_manager               the user event manager.
2036  *
2037  * @return true if the FTYP box is valid.
2038  */
2039 static OPJ_BOOL opj_jp2_read_ftyp(      opj_jp2_t *jp2,
2040                                                                         OPJ_BYTE * p_header_data,
2041                                                                         OPJ_UINT32 p_header_size,
2042                                                                         opj_event_mgr_t * p_manager
2043                                     )
2044 {
2045         OPJ_UINT32 i, l_remaining_bytes;
2046
2047         /* preconditions */
2048         assert(p_header_data != 00);
2049         assert(jp2 != 00);
2050         assert(p_manager != 00);
2051
2052         if (jp2->jp2_state != JP2_STATE_SIGNATURE) {
2053                 opj_event_msg(p_manager, EVT_ERROR, "The ftyp box must be the second box in the file.\n");
2054                 return OPJ_FALSE;
2055         }
2056
2057         /* assure length of data is correct */
2058         if (p_header_size < 8) {
2059                 opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n");
2060                 return OPJ_FALSE;
2061         }
2062
2063         opj_read_bytes(p_header_data,&jp2->brand,4);            /* BR */
2064         p_header_data += 4;
2065
2066         opj_read_bytes(p_header_data,&jp2->minversion,4);               /* MinV */
2067         p_header_data += 4;
2068
2069         l_remaining_bytes = p_header_size - 8;
2070
2071         /* the number of remaining bytes should be a multiple of 4 */
2072         if ((l_remaining_bytes & 0x3) != 0) {
2073                 opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n");
2074                 return OPJ_FALSE;
2075         }
2076
2077         /* div by 4 */
2078         jp2->numcl = l_remaining_bytes >> 2;
2079         if (jp2->numcl) {
2080                 jp2->cl = (OPJ_UINT32 *) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32));
2081                 if (jp2->cl == 00) {
2082                         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory with FTYP Box\n");
2083                         return OPJ_FALSE;
2084                 }
2085                 memset(jp2->cl,0,jp2->numcl * sizeof(OPJ_UINT32));
2086         }
2087
2088         for (i = 0; i < jp2->numcl; ++i)
2089         {
2090                 opj_read_bytes(p_header_data,&jp2->cl[i],4);            /* CLi */
2091                 p_header_data += 4;
2092         }
2093
2094         jp2->jp2_state |= JP2_STATE_FILE_TYPE;
2095
2096         return OPJ_TRUE;
2097 }
2098
2099 OPJ_BOOL opj_jp2_skip_jp2c(     opj_jp2_t *jp2,
2100                                                 opj_stream_private_t *stream,
2101                                                 opj_event_mgr_t * p_manager )
2102 {
2103         /* preconditions */
2104         assert(jp2 != 00);
2105         assert(stream != 00);
2106         assert(p_manager != 00);
2107
2108         jp2->j2k_codestream_offset = opj_stream_tell(stream);
2109
2110         if (opj_stream_skip(stream,8,p_manager) != 8) {
2111                 return OPJ_FALSE;
2112         }
2113
2114         return OPJ_TRUE;
2115 }
2116
2117 static OPJ_BOOL opj_jpip_skip_iptr(     opj_jp2_t *jp2,
2118   opj_stream_private_t *stream,
2119   opj_event_mgr_t * p_manager )
2120 {
2121   /* preconditions */
2122   assert(jp2 != 00);
2123   assert(stream != 00);
2124   assert(p_manager != 00);
2125
2126   jp2->jpip_iptr_offset = opj_stream_tell(stream);
2127
2128   if (opj_stream_skip(stream,24,p_manager) != 24) {
2129     return OPJ_FALSE;
2130   }
2131
2132   return OPJ_TRUE;
2133 }
2134
2135 /**
2136  * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
2137  *
2138  * @param       p_header_data   the data contained in the file header box.
2139  * @param       jp2                             the jpeg2000 file codec.
2140  * @param       p_header_size   the size of the data contained in the file header box.
2141  * @param       p_manager               the user event manager.
2142  *
2143  * @return true if the JP2 Header box was successfully reconized.
2144 */
2145 static OPJ_BOOL opj_jp2_read_jp2h(  opj_jp2_t *jp2,
2146                                     OPJ_BYTE *p_header_data,
2147                                     OPJ_UINT32 p_header_size,
2148                                     opj_event_mgr_t * p_manager
2149                                     )
2150 {
2151         OPJ_UINT32 l_box_size=0, l_current_data_size = 0;
2152         opj_jp2_box_t box;
2153         const opj_jp2_header_handler_t * l_current_handler;
2154
2155         /* preconditions */
2156         assert(p_header_data != 00);
2157         assert(jp2 != 00);
2158         assert(p_manager != 00);
2159
2160         /* make sure the box is well placed */
2161         if ((jp2->jp2_state & JP2_STATE_FILE_TYPE) != JP2_STATE_FILE_TYPE ) {
2162                 opj_event_msg(p_manager, EVT_ERROR, "The  box must be the first box in the file.\n");
2163                 return OPJ_FALSE;
2164         }
2165
2166         jp2->jp2_img_state = JP2_IMG_STATE_NONE;
2167
2168         /* iterate while remaining data */
2169         while (p_header_size > 0) {
2170
2171                 if (! opj_jp2_read_boxhdr_char(&box,p_header_data,&l_box_size,p_header_size, p_manager)) {
2172                         opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box\n");
2173                         return OPJ_FALSE;
2174                 }
2175
2176                 if (box.length > p_header_size) {
2177                         opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box: box length is inconsistent.\n");
2178                         return OPJ_FALSE;
2179                 }
2180
2181                 l_current_handler = opj_jp2_img_find_handler(box.type);
2182                 l_current_data_size = box.length - l_box_size;
2183                 p_header_data += l_box_size;
2184
2185                 if (l_current_handler != 00) {
2186                         if (! l_current_handler->handler(jp2,p_header_data,l_current_data_size,p_manager)) {
2187                                 return OPJ_FALSE;
2188                         }
2189                 }
2190                 else {
2191                         jp2->jp2_img_state |= JP2_IMG_STATE_UNKNOWN;
2192                 }
2193
2194                 p_header_data += l_current_data_size;
2195                 p_header_size -= box.length;
2196         }
2197
2198         jp2->jp2_state |= JP2_STATE_HEADER;
2199
2200         return OPJ_TRUE;
2201 }
2202
2203 OPJ_BOOL opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
2204                                      OPJ_BYTE * p_data,
2205                                      OPJ_UINT32 * p_number_bytes_read,
2206                                      OPJ_UINT32 p_box_max_size,
2207                                      opj_event_mgr_t * p_manager
2208                                      )
2209 {
2210         OPJ_UINT32 l_value;
2211
2212         /* preconditions */
2213         assert(p_data != 00);
2214         assert(box != 00);
2215         assert(p_number_bytes_read != 00);
2216         assert(p_manager != 00);
2217
2218         if (p_box_max_size < 8) {
2219                 opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of less than 8 bytes\n");
2220                 return OPJ_FALSE;
2221         }
2222
2223         /* process read data */
2224         opj_read_bytes(p_data, &l_value, 4);
2225         p_data += 4;
2226         box->length = (OPJ_INT32)(l_value);
2227
2228         opj_read_bytes(p_data, &l_value, 4);
2229         p_data += 4;
2230         box->type = (OPJ_INT32)(l_value);
2231
2232         *p_number_bytes_read = 8;
2233
2234         /* do we have a "special very large box ?" */
2235         /* read then the XLBox */
2236         if (box->length == 1) {
2237                 OPJ_UINT32 l_xl_part_size;
2238
2239                 if (p_box_max_size < 16) {
2240                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle XL box of less than 16 bytes\n");
2241                         return OPJ_FALSE;
2242                 }
2243
2244                 opj_read_bytes(p_data,&l_xl_part_size, 4);
2245                 p_data += 4;
2246                 *p_number_bytes_read += 4;
2247
2248                 if (l_xl_part_size != 0) {
2249                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
2250                         return OPJ_FALSE;
2251                 }
2252
2253                 opj_read_bytes(p_data, &l_value, 4);
2254                 *p_number_bytes_read += 4;
2255                 box->length = (OPJ_INT32)(l_value);
2256
2257                 if (box->length == 0) {
2258                         opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
2259                         return OPJ_FALSE;
2260                 }
2261         }
2262         else if (box->length == 0) {
2263                 opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");
2264                 return OPJ_FALSE;
2265         }
2266
2267         return OPJ_TRUE;
2268 }
2269
2270 OPJ_BOOL opj_jp2_read_header(   opj_stream_private_t *p_stream,
2271                                 opj_jp2_t *jp2,
2272                                 opj_image_t ** p_image,
2273                                 opj_event_mgr_t * p_manager
2274                                 )
2275 {
2276         /* preconditions */
2277         assert(jp2 != 00);
2278         assert(p_stream != 00);
2279         assert(p_manager != 00);
2280
2281         /* customization of the validation */
2282         opj_jp2_setup_decoding_validation (jp2);
2283
2284         /* customization of the encoding */
2285         opj_jp2_setup_header_reading(jp2);
2286
2287         /* validation of the parameters codec */
2288         if (! opj_jp2_exec(jp2,jp2->m_validation_list,p_stream,p_manager)) {
2289                 return OPJ_FALSE;
2290         }
2291
2292         /* read header */
2293         if (! opj_jp2_exec (jp2,jp2->m_procedure_list,p_stream,p_manager)) {
2294                 return OPJ_FALSE;
2295         }
2296
2297         return opj_j2k_read_header(     p_stream,
2298                                                         jp2->j2k,
2299                                                         p_image,
2300                                                         p_manager);
2301 }
2302
2303 void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2)
2304 {
2305         /* preconditions */
2306         assert(jp2 != 00);
2307
2308         opj_procedure_list_add_procedure(jp2->m_validation_list, (opj_procedure)opj_jp2_default_validation);
2309         /* DEVELOPER CORNER, add your custom validation procedure */
2310 }
2311
2312 void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2)
2313 {
2314         /* preconditions */
2315         assert(jp2 != 00);
2316         /* DEVELOPER CORNER, add your custom validation procedure */
2317 }
2318
2319 void opj_jp2_setup_header_writing (opj_jp2_t *jp2)
2320 {
2321         /* preconditions */
2322         assert(jp2 != 00);
2323
2324         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp );
2325         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_ftyp );
2326         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2h );
2327   if( jp2->jpip_on )
2328     opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_skip_iptr );
2329         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_skip_jp2c );
2330
2331         /* DEVELOPER CORNER, insert your custom procedures */
2332
2333 }
2334
2335 void opj_jp2_setup_header_reading (opj_jp2_t *jp2)
2336 {
2337         /* preconditions */
2338         assert(jp2 != 00);
2339
2340         opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
2341         /* DEVELOPER CORNER, add your custom procedures */
2342 }
2343
2344 OPJ_BOOL opj_jp2_read_tile_header ( opj_jp2_t * p_jp2,
2345                                     OPJ_UINT32 * p_tile_index,
2346                                     OPJ_UINT32 * p_data_size,
2347                                     OPJ_INT32 * p_tile_x0,
2348                                     OPJ_INT32 * p_tile_y0,
2349                                     OPJ_INT32 * p_tile_x1,
2350                                     OPJ_INT32 * p_tile_y1,
2351                                     OPJ_UINT32 * p_nb_comps,
2352                                     OPJ_BOOL * p_go_on,
2353                                     opj_stream_private_t *p_stream,
2354                                     opj_event_mgr_t * p_manager
2355                                     )
2356 {
2357         return opj_j2k_read_tile_header(p_jp2->j2k,
2358                                                                 p_tile_index,
2359                                                                 p_data_size,
2360                                                                 p_tile_x0, p_tile_y0,
2361                                                                 p_tile_x1, p_tile_y1,
2362                                                                 p_nb_comps,
2363                                                                 p_go_on,
2364                                                                 p_stream,
2365                                                                 p_manager);
2366 }
2367
2368 OPJ_BOOL opj_jp2_write_tile (   opj_jp2_t *p_jp2,
2369                                                             OPJ_UINT32 p_tile_index,
2370                                                             OPJ_BYTE * p_data,
2371                                                             OPJ_UINT32 p_data_size,
2372                                                             opj_stream_private_t *p_stream,
2373                                                             opj_event_mgr_t * p_manager
2374                                 )
2375
2376 {
2377         return opj_j2k_write_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
2378 }
2379
2380 OPJ_BOOL opj_jp2_decode_tile (  opj_jp2_t * p_jp2,
2381                                 OPJ_UINT32 p_tile_index,
2382                                 OPJ_BYTE * p_data,
2383                                 OPJ_UINT32 p_data_size,
2384                                 opj_stream_private_t *p_stream,
2385                                 opj_event_mgr_t * p_manager
2386                                 )
2387 {
2388         return opj_j2k_decode_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
2389 }
2390
2391 void opj_jp2_destroy(opj_jp2_t *jp2)
2392 {
2393         if (jp2) {
2394                 /* destroy the J2K codec */
2395                 opj_j2k_destroy(jp2->j2k);
2396                 jp2->j2k = 00;
2397
2398                 if (jp2->comps) {
2399                         opj_free(jp2->comps);
2400                         jp2->comps = 00;
2401                 }
2402
2403                 if (jp2->cl) {
2404                         opj_free(jp2->cl);
2405                         jp2->cl = 00;
2406                 }
2407
2408                 if (jp2->color.icc_profile_buf) {
2409                         opj_free(jp2->color.icc_profile_buf);
2410                         jp2->color.icc_profile_buf = 00;
2411                 }
2412
2413                 if (jp2->color.jp2_cdef) {
2414                         if (jp2->color.jp2_cdef->info) {
2415                                 opj_free(jp2->color.jp2_cdef->info);
2416                                 jp2->color.jp2_cdef->info = NULL;
2417                         }
2418
2419                         opj_free(jp2->color.jp2_cdef);
2420                         jp2->color.jp2_cdef = 00;
2421                 }
2422
2423                 if (jp2->color.jp2_pclr) {
2424                         if (jp2->color.jp2_pclr->cmap) {
2425                                 opj_free(jp2->color.jp2_pclr->cmap);
2426                                 jp2->color.jp2_pclr->cmap = NULL;
2427                         }
2428                         if (jp2->color.jp2_pclr->channel_sign) {
2429                                 opj_free(jp2->color.jp2_pclr->channel_sign);
2430                                 jp2->color.jp2_pclr->channel_sign = NULL;
2431                         }
2432                         if (jp2->color.jp2_pclr->channel_size) {
2433                                 opj_free(jp2->color.jp2_pclr->channel_size);
2434                                 jp2->color.jp2_pclr->channel_size = NULL;
2435                         }
2436                         if (jp2->color.jp2_pclr->entries) {
2437                                 opj_free(jp2->color.jp2_pclr->entries);
2438                                 jp2->color.jp2_pclr->entries = NULL;
2439                         }
2440
2441                         opj_free(jp2->color.jp2_pclr);
2442                         jp2->color.jp2_pclr = 00;
2443                 }
2444
2445                 if (jp2->m_validation_list) {
2446                         opj_procedure_list_destroy(jp2->m_validation_list);
2447                         jp2->m_validation_list = 00;
2448                 }
2449
2450                 if (jp2->m_procedure_list) {
2451                         opj_procedure_list_destroy(jp2->m_procedure_list);
2452                         jp2->m_procedure_list = 00;
2453                 }
2454
2455                 opj_free(jp2);
2456         }
2457 }
2458
2459 OPJ_BOOL opj_jp2_set_decode_area(       opj_jp2_t *p_jp2,
2460                                                                     opj_image_t* p_image,
2461                                                                     OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
2462                                                                     OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
2463                                                                     opj_event_mgr_t * p_manager
2464                                     )
2465 {
2466         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);
2467 }
2468
2469 OPJ_BOOL opj_jp2_get_tile(      opj_jp2_t *p_jp2,
2470                             opj_stream_private_t *p_stream,
2471                             opj_image_t* p_image,
2472                             opj_event_mgr_t * p_manager,
2473                             OPJ_UINT32 tile_index
2474                             )
2475 {
2476         if (!p_image)
2477                 return OPJ_FALSE;
2478
2479         opj_event_msg(p_manager, EVT_WARNING, "JP2 box which are after the codestream will not be read by this function.\n");
2480
2481         if (! opj_j2k_get_tile(p_jp2->j2k, p_stream, p_image, p_manager, tile_index) ){
2482                 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
2483                 return OPJ_FALSE;
2484         }
2485
2486         if (!opj_jp2_check_color(p_image, &(p_jp2->color), p_manager)) {
2487                 return OPJ_FALSE;
2488         }
2489
2490         /* Set Image Color Space */
2491         if (p_jp2->enumcs == 16)
2492                 p_image->color_space = OPJ_CLRSPC_SRGB;
2493         else if (p_jp2->enumcs == 17)
2494                 p_image->color_space = OPJ_CLRSPC_GRAY;
2495         else if (p_jp2->enumcs == 18)
2496                 p_image->color_space = OPJ_CLRSPC_SYCC;
2497         else
2498                 p_image->color_space = OPJ_CLRSPC_UNKNOWN;
2499
2500         /* Apply the color space if needed */
2501         if(p_jp2->color.jp2_cdef) {
2502                 opj_jp2_apply_cdef(p_image, &(p_jp2->color));
2503         }
2504
2505         if(p_jp2->color.jp2_pclr) {
2506                 /* Part 1, I.5.3.4: Either both or none : */
2507                 if( !p_jp2->color.jp2_pclr->cmap)
2508                         opj_jp2_free_pclr(&(p_jp2->color));
2509                 else
2510                         opj_jp2_apply_pclr(p_image, &(p_jp2->color));
2511         }
2512
2513         if(p_jp2->color.icc_profile_buf) {
2514                 p_image->icc_profile_buf = p_jp2->color.icc_profile_buf;
2515                 p_image->icc_profile_len = p_jp2->color.icc_profile_len;
2516                 p_jp2->color.icc_profile_buf = NULL;
2517         }
2518
2519         return OPJ_TRUE;
2520 }
2521
2522 /* ----------------------------------------------------------------------- */
2523 /* JP2 encoder interface                                             */
2524 /* ----------------------------------------------------------------------- */
2525
2526 opj_jp2_t* opj_jp2_create(OPJ_BOOL p_is_decoder)
2527 {
2528         opj_jp2_t *jp2 = (opj_jp2_t*)opj_malloc(sizeof(opj_jp2_t));
2529         if (jp2) {
2530                 memset(jp2,0,sizeof(opj_jp2_t));
2531
2532                 /* create the J2K codec */
2533                 if (! p_is_decoder) {
2534                         jp2->j2k = opj_j2k_create_compress();
2535                 }
2536                 else {
2537                         jp2->j2k = opj_j2k_create_decompress();
2538                 }
2539
2540                 if (jp2->j2k == 00) {
2541                         opj_jp2_destroy(jp2);
2542                         return 00;
2543                 }
2544
2545                 /* Color structure */
2546                 jp2->color.icc_profile_buf = NULL;
2547                 jp2->color.icc_profile_len = 0;
2548                 jp2->color.jp2_cdef = NULL;
2549                 jp2->color.jp2_pclr = NULL;
2550                 jp2->color.jp2_has_colr = 0;
2551
2552                 /* validation list creation */
2553                 jp2->m_validation_list = opj_procedure_list_create();
2554                 if (! jp2->m_validation_list) {
2555                         opj_jp2_destroy(jp2);
2556                         return 00;
2557                 }
2558
2559                 /* execution list creation */
2560                 jp2->m_procedure_list = opj_procedure_list_create();
2561                 if (! jp2->m_procedure_list) {
2562                         opj_jp2_destroy(jp2);
2563                         return 00;
2564                 }
2565         }
2566
2567         return jp2;
2568 }
2569
2570 void jp2_dump(opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream)
2571 {
2572         /* preconditions */
2573         assert(p_jp2 != 00);
2574
2575         j2k_dump(p_jp2->j2k,
2576                                         flag,
2577                                         out_stream);
2578 }
2579
2580 opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2)
2581 {
2582         return j2k_get_cstr_index(p_jp2->j2k);
2583 }
2584
2585 opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2)
2586 {
2587         return j2k_get_cstr_info(p_jp2->j2k);
2588 }
2589
2590 OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2,
2591                                                OPJ_UINT32 res_factor,
2592                                                opj_event_mgr_t * p_manager)
2593 {
2594         return opj_j2k_set_decoded_resolution_factor(p_jp2->j2k, res_factor, p_manager);
2595 }
2596
2597 /* JPIP specific */
2598
2599 #ifdef USE_JPIP
2600 static OPJ_BOOL opj_jpip_write_iptr(opj_jp2_t *jp2,
2601   opj_stream_private_t *cio,
2602   opj_event_mgr_t * p_manager )
2603 {
2604   OPJ_OFF_T j2k_codestream_exit;
2605   OPJ_BYTE l_data_header [24];
2606
2607   /* preconditions */
2608   assert(jp2 != 00);
2609   assert(cio != 00);
2610   assert(p_manager != 00);
2611   assert(opj_stream_has_seek(cio));
2612
2613   j2k_codestream_exit = opj_stream_tell(cio);
2614   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2615   opj_write_bytes(l_data_header + 4,JPIP_IPTR,4);                                                                          /* IPTR */
2616 #if 0
2617   opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */
2618   opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */
2619 #else
2620   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2621   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2622 #endif
2623
2624   if (! opj_stream_seek(cio,jp2->jpip_iptr_offset,p_manager)) {
2625     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2626     return OPJ_FALSE;
2627   }
2628
2629   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2630     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2631     return OPJ_FALSE;
2632   }
2633
2634   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2635     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2636     return OPJ_FALSE;
2637   }
2638
2639   return OPJ_TRUE;
2640 }
2641
2642 static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2,
2643   opj_stream_private_t *cio,
2644   opj_event_mgr_t * p_manager )
2645 {
2646   OPJ_OFF_T j2k_codestream_exit;
2647   OPJ_BYTE l_data_header [24];
2648
2649   /* preconditions */
2650   assert(jp2 != 00);
2651   assert(cio != 00);
2652   assert(p_manager != 00);
2653   assert(opj_stream_has_seek(cio));
2654
2655   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2656   opj_write_bytes(l_data_header + 4,JPIP_FIDX,4);                                                                          /* IPTR */
2657   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2658   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2659
2660   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2661     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2662     return OPJ_FALSE;
2663   }
2664
2665   j2k_codestream_exit = opj_stream_tell(cio);
2666   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2667     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2668     return OPJ_FALSE;
2669   }
2670
2671   return OPJ_TRUE;
2672 }
2673
2674 static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2,
2675   opj_stream_private_t *cio,
2676   opj_event_mgr_t * p_manager )
2677 {
2678   OPJ_OFF_T j2k_codestream_exit;
2679   OPJ_BYTE l_data_header [24];
2680
2681   /* preconditions */
2682   assert(jp2 != 00);
2683   assert(cio != 00);
2684   assert(p_manager != 00);
2685   assert(opj_stream_has_seek(cio));
2686
2687   j2k_codestream_exit = opj_stream_tell(cio);
2688   opj_write_bytes(l_data_header, 24, 4); /* size of iptr */
2689   opj_write_bytes(l_data_header + 4,JPIP_CIDX,4);                                                                          /* IPTR */
2690 #if 0
2691   opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */
2692   opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */
2693 #else
2694   opj_write_double(l_data_header + 4 + 4, 0); /* offset */
2695   opj_write_double(l_data_header + 8 + 8, 0); /* length */
2696 #endif
2697
2698   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2699     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2700     return OPJ_FALSE;
2701   }
2702
2703   if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) {
2704     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2705     return OPJ_FALSE;
2706   }
2707
2708   j2k_codestream_exit = opj_stream_tell(cio);
2709   if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) {
2710     opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n");
2711     return OPJ_FALSE;
2712   }
2713
2714   return OPJ_TRUE;
2715 }
2716
2717 #if 0
2718 static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
2719   opj_event_mgr_t * p_manager )
2720 {
2721   OPJ_BYTE l_data_header [8];
2722   OPJ_OFF_T len, lenp;
2723
2724   lenp = opj_stream_tell(cio);
2725   opj_stream_skip(cio, 4, p_manager);         /* L [at the end] */
2726   opj_write_bytes(l_data_header,JPIP_PRXY,4); /* IPTR           */
2727   opj_stream_write_data(cio,l_data_header,4,p_manager);
2728
2729   opj_write_bytes( l_data_header, offset_jp2c, 8); /* OOFF           */
2730   opj_stream_write_data(cio,l_data_header,8,p_manager);
2731   opj_write_bytes( l_data_header, length_jp2c, 4); /* OBH part 1     */
2732   opj_write_bytes( l_data_header+4, JP2_JP2C, 4);  /* OBH part 2     */
2733   opj_stream_write_data(cio,l_data_header,8,p_manager);
2734
2735   opj_write_bytes( l_data_header, 1, 1);/* NI             */
2736   opj_stream_write_data(cio,l_data_header,1,p_manager);
2737
2738   opj_write_bytes( l_data_header, offset_idx, 8);  /* IOFF           */
2739   opj_stream_write_data(cio,l_data_header,8,p_manager);
2740   opj_write_bytes( l_data_header, length_idx, 4);  /* IBH part 1     */
2741   opj_write_bytes( l_data_header+4, JPIP_CIDX, 4);   /* IBH part 2     */
2742   opj_stream_write_data(cio,l_data_header,8,p_manager);
2743
2744   len = opj_stream_tell(cio)-lenp;
2745   opj_stream_skip(cio, lenp, p_manager);
2746   opj_write_bytes(l_data_header,len,4);/* L              */
2747   opj_stream_write_data(cio,l_data_header,4,p_manager);
2748   opj_stream_seek(cio, lenp+len,p_manager);
2749 }
2750 #endif
2751
2752
2753 #if 0
2754 static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio,
2755   opj_event_mgr_t * p_manager )
2756 {
2757   OPJ_BYTE l_data_header [4];
2758   OPJ_OFF_T len, lenp;
2759
2760   lenp = opj_stream_tell(cio);
2761   opj_stream_skip(cio, 4, p_manager);
2762   opj_write_bytes(l_data_header,JPIP_FIDX,4); /* FIDX */
2763   opj_stream_write_data(cio,l_data_header,4,p_manager);
2764
2765   write_prxy( offset_jp2c, length_jp2c, offset_idx, length_idx, cio,p_manager);
2766
2767   len = opj_stream_tell(cio)-lenp;
2768   opj_stream_skip(cio, lenp, p_manager);
2769   opj_write_bytes(l_data_header,len,4);/* L              */
2770   opj_stream_write_data(cio,l_data_header,4,p_manager);
2771   opj_stream_seek(cio, lenp+len,p_manager);
2772
2773   return len;
2774 }
2775 #endif
2776 #endif /* USE_JPIP */