jpwl/jpwl.c

   1 /*\r
   2  * Copyright (c) 2001-2003, David Janssens\r
   3  * Copyright (c) 2002-2003, Yannick Verschueren\r
   4  * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
   5  * Copyright (c) 2005, Herv� Drolon, FreeImage Team\r
   6  * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
   7  * Copyright (c) 2005-2006, Dept. of Electronic and Information Engineering, Universita' degli Studi di Perugia, Italy\r
   8  * All rights reserved.\r
   9  *\r
  10  * Redistribution and use in source and binary forms, with or without\r
  11  * modification, are permitted provided that the following conditions\r
  12  * are met:\r
  13  * 1. Redistributions of source code must retain the above copyright\r
  14  *    notice, this list of conditions and the following disclaimer.\r
  15  * 2. Redistributions in binary form must reproduce the above copyright\r
  16  *    notice, this list of conditions and the following disclaimer in the\r
  17  *    documentation and/or other materials provided with the distribution.\r
  18  *\r
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
  23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
  29  * POSSIBILITY OF SUCH DAMAGE.\r
  30  */\r
  31 \r
  32 #include "../libopenjpeg/opj_includes.h"\r
  33 \r
  34 #ifdef USE_JPWL\r
  35 \r
  36 /** @defgroup JPWL JPWL - JPEG-2000 Part11 (JPWL) codestream manager */\r
  37 /*@{*/\r
  38 \r
  39 /** @name Local static variables */\r
  40 /*@{*/\r
  41 \r
  42 /** number of JPWL prepared markers */\r
  43 static int jwmarker_num;\r
  44 /** properties of JPWL markers to insert */\r
  45 static jpwl_marker_t jwmarker[JPWL_MAX_NO_MARKERS]; \r
  46 \r
  47 /*@}*/\r
  48 \r
  49 /*@}*/\r
  50 \r
  51 /** @name Local static functions */\r
  52 /*@{*/\r
  53 \r
  54 /** create an EPC marker segment\r
  55 @param j2k J2K compressor handle\r
  56 @param esd_on true if ESD is activated\r
  57 @param red_on true if RED is activated\r
  58 @param epb_on true if EPB is activated\r
  59 @param info_on true if informative techniques are activated\r
  60 @return returns the freshly created EPC\r
  61 */\r
  62 jpwl_epc_ms_t *jpwl_epc_create(opj_j2k_t *j2k, bool esd_on, bool red_on, bool epb_on, bool info_on);\r
  63 \r
  64 /*@}*/\r
  65 \r
  66 /** create an EPC marker segment\r
  67 @param j2k J2K compressor handle\r
  68 @param comps considered component (-1=average, 0/1/2/...=component no.)\r
  69 @param addrm addressing mode (0=packet, 1=byte range, 2=packet range, 3=reserved)\r
  70 @param ad_size size of addresses (2/4 bytes)\r
  71 @param senst sensitivity type\r
  72 @param se_size sensitivity values size (1/2 bytes)\r
  73 @param tileno tile where this ESD lies (-1 means MH)\r
  74 @param svalnum number of sensitivity values (if 0, they will be automatically filled)\r
  75 @param sensval pointer to an array of sensitivity values (if NULL, they will be automatically filled)\r
  76 @return returns the freshly created ESD\r
  77 */\r
  78 jpwl_esd_ms_t *jpwl_esd_create(opj_j2k_t *j2k, int comps, unsigned char addrm, unsigned char ad_size,\r
  79                                                                 unsigned char senst, int se_size, int tileno,\r
  80                                                                 unsigned long int svalnum, void *sensval);\r
  81                         \r
  82 /** this function is used to compare two JPWL markers based on\r
  83 their relevant wishlist position\r
  84 @param arg1 pointer to first marker\r
  85 @param arg2 pointer to second marker\r
  86 @return 1 if arg1>arg2, 0 if arg1=arg2, -1 if arg1<arg2\r
  87 */\r
  88 int jpwl_markcomp(const void *arg1, const void *arg2);\r
  89 \r
  90 /** write an EPB MS to a buffer\r
  91 @param epbmark pointer to the EPB MS\r
  92 @param buf pointer to the memory buffer\r
  93 */\r
  94 void jpwl_epb_write(jpwl_epb_ms_t *epbmark, unsigned char *buf);\r
  95 \r
  96 /** write an EPC MS to a buffer\r
  97 @param epcmark pointer to the EPC MS\r
  98 @param buf pointer to the memory buffer\r
  99 */\r
 100 void jpwl_epc_write(jpwl_epc_ms_t *epcmark, unsigned char *buf);\r
 101 \r
 102 /** write an ESD MS to a buffer\r
 103 @param esdmark pointer to the ESD MS\r
 104 @param buf pointer to the memory buffer\r
 105 */\r
 106 void jpwl_esd_write(jpwl_esd_ms_t *esdmark, unsigned char *buf);\r
 107 \r
 108 /*-----------------------------------------------------------------*/\r
 109 \r
 110 void jpwl_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {\r
 111 \r
 112         int mm;\r
 113 \r
 114         /* let's reset some settings */\r
 115 \r
 116         /* clear the existing markers */\r
 117         for (mm = 0; mm < jwmarker_num; mm++) {\r
 118 \r
 119                 switch (jwmarker[mm].id) {\r
 120 \r
 121                 case J2K_MS_EPB:\r
 122                         free(jwmarker[mm].epbmark);\r
 123                         break;\r
 124 \r
 125                 case J2K_MS_EPC:\r
 126                         free(jwmarker[mm].epcmark);\r
 127                         break;\r
 128 \r
 129                 case J2K_MS_ESD:\r
 130                         free(jwmarker[mm].esdmark);\r
 131                         break;\r
 132 \r
 133                 case J2K_MS_RED:\r
 134                         free(jwmarker[mm].redmark);\r
 135                         break;\r
 136 \r
 137                 default:\r
 138                         break;\r
 139                 }\r
 140         }\r
 141 \r
 142         /* clear the marker structure array */\r
 143         memset(jwmarker, 0, sizeof(jpwl_marker_t) * JPWL_MAX_NO_MARKERS);\r
 144 \r
 145         /* no more markers in the list */\r
 146         jwmarker_num = 0;\r
 147 \r
 148         /* let's begin creating a marker list, according to user wishes */\r
 149         jpwl_prepare_marks(j2k, cio, image);\r
 150 \r
 151         /* now we dump the JPWL markers on the codestream */\r
 152         jpwl_dump_marks(j2k, cio, image);\r
 153 \r
 154         /* do not know exactly what is this for,\r
 155         but it gets called during index creation */\r
 156         j2k->pos_correction = 0;\r
 157 \r
 158 }\r
 159 \r
 160 \r
 161 void jpwl_prepare_marks(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {\r
 162 \r
 163         unsigned short int socsiz_len = 0;\r
 164         int ciopos = cio_tell(cio), soc_pos = j2k->cstr_info->main_head_start;\r
 165         unsigned char *socp = NULL;\r
 166 \r
 167         int tileno, acc_tpno, tpno, tilespec, hprot, sens, pprot, packspec, lastileno, packno;\r
 168 \r
 169         jpwl_epb_ms_t *epb_mark;\r
 170         jpwl_epc_ms_t *epc_mark;\r
 171         jpwl_esd_ms_t *esd_mark;\r
 172 \r
 173         /* find SOC + SIZ length */\r
 174         /* I assume SIZ is always the first marker after SOC */\r
 175         cio_seek(cio, soc_pos + 4);\r
 176         socsiz_len = (unsigned short int) cio_read(cio, 2) + 4; /* add the 2 marks length itself */\r
 177         cio_seek(cio, soc_pos + 0);\r
 178         socp = cio_getbp(cio); /* pointer to SOC */\r
 179 \r
 180         /* \r
 181          EPC MS for Main Header: if we are here it's required\r
 182         */\r
 183         /* create the EPC */\r
 184         if (epc_mark = jpwl_epc_create(\r
 185                         j2k,\r
 186                         j2k->cp->esd_on, /* is ESD present? */\r
 187                         j2k->cp->red_on, /* is RED present? */\r
 188                         j2k->cp->epb_on, /* is EPB present? */\r
 189                         false /* are informative techniques present? */\r
 190                 )) {\r
 191 \r
 192                 /* Add this marker to the 'insertanda' list */\r
 193                 if (epc_mark) {\r
 194                         jwmarker[jwmarker_num].id = J2K_MS_EPC; /* its type */\r
 195                         jwmarker[jwmarker_num].epcmark = epc_mark; /* the EPC */\r
 196                         jwmarker[jwmarker_num].pos = soc_pos + socsiz_len; /* after SIZ */\r
 197                         jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.1; /* not so first */\r
 198                         jwmarker[jwmarker_num].len = epc_mark->Lepc; /* its length */\r
 199                         jwmarker[jwmarker_num].len_ready = true; /* ready */\r
 200                         jwmarker[jwmarker_num].pos_ready = true; /* ready */\r
 201                         jwmarker[jwmarker_num].parms_ready = false; /* not ready */\r
 202                         jwmarker[jwmarker_num].data_ready = true; /* ready */\r
 203                         jwmarker_num++;\r
 204                 };\r
 205 \r
 206                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
 207                         "MH  EPC : setting %s%s%s\n",\r
 208                         j2k->cp->esd_on ? "ESD, " : "",\r
 209                         j2k->cp->red_on ? "RED, " : "",\r
 210                         j2k->cp->epb_on ? "EPB, " : ""\r
 211                         );\r
 212 \r
 213         } else {\r
 214                 /* ooops, problems */\r
 215                 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH EPC\n");                              \r
 216         };\r
 217 \r
 218         /* \r
 219          ESD MS for Main Header\r
 220         */\r
 221         /* first of all, must MH have an ESD MS? */\r
 222         if (j2k->cp->esd_on && (j2k->cp->sens_MH >= 0)) {\r
 223 \r
 224                 /* Create the ESD */\r
 225                 if (esd_mark = jpwl_esd_create(\r
 226                         j2k, /* this encoder handle */\r
 227                         -1, /* we are averaging over all components */\r
 228                         (unsigned char) j2k->cp->sens_range, /* range method */\r
 229                         (unsigned char) j2k->cp->sens_addr, /* sensitivity addressing */\r
 230                         (unsigned char) j2k->cp->sens_MH, /* sensitivity method */\r
 231                         j2k->cp->sens_size, /* sensitivity size */\r
 232                         -1, /* this ESD is in main header */\r
 233                         0 /*j2k->cstr_info->num*/, /* number of packets in codestream */\r
 234                         NULL /*sensval*/ /* pointer to sensitivity data of packets */\r
 235                         )) {\r
 236                         \r
 237                         /* Add this marker to the 'insertanda' list */\r
 238                         if (jwmarker_num < JPWL_MAX_NO_MARKERS) {\r
 239                                 jwmarker[jwmarker_num].id = J2K_MS_ESD; /* its type */\r
 240                                 jwmarker[jwmarker_num].esdmark = esd_mark; /* the EPB */\r
 241                                 jwmarker[jwmarker_num].pos = soc_pos + socsiz_len; /* we choose to place it after SIZ */\r
 242                                 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.2; /* not first at all! */\r
 243                                 jwmarker[jwmarker_num].len = esd_mark->Lesd; /* its length */\r
 244                                 jwmarker[jwmarker_num].len_ready = true; /* not ready, yet */\r
 245                                 jwmarker[jwmarker_num].pos_ready = true; /* ready */\r
 246                                 jwmarker[jwmarker_num].parms_ready = true; /* not ready */\r
 247                                 jwmarker[jwmarker_num].data_ready = false; /* not ready */\r
 248                                 jwmarker_num++;\r
 249                         }\r
 250 \r
 251                         opj_event_msg(j2k->cinfo, EVT_INFO,\r
 252                                 "MH  ESDs: method %d\n",\r
 253                                 j2k->cp->sens_MH\r
 254                                 );\r
 255 \r
 256                 } else {\r
 257                         /* ooops, problems */\r
 258                         opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH ESD\n");                              \r
 259                 };\r
 260 \r
 261         }\r
 262 \r
 263         /* \r
 264          ESD MSs for Tile Part Headers \r
 265         */\r
 266         /* cycle through tiles */\r
 267         sens = -1; /* default spec: no ESD */\r
 268         tilespec = 0; /* first tile spec */\r
 269         acc_tpno = 0;\r
 270         for (tileno = 0; tileno < j2k->cstr_info->tw * j2k->cstr_info->th; tileno++) {\r
 271 \r
 272                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
 273                         "Tile %d has %d tile part(s)\n",\r
 274                         tileno, j2k->cstr_info->tile[tileno].num_tps\r
 275                         );\r
 276 \r
 277                 /* for every tile part in the tile */\r
 278                 for (tpno = 0; tpno < j2k->cstr_info->tile[tileno].num_tps; tpno++, acc_tpno++) {\r
 279         \r
 280                         int sot_len, Psot, Psotp, mm;\r
 281                         unsigned long sot_pos, post_sod_pos;\r
 282 \r
 283                         unsigned long int left_THmarks_len;\r
 284 \r
 285                         /******* sot_pos = j2k->cstr_info->tile[tileno].start_pos; */\r
 286                         sot_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos;\r
 287                         cio_seek(cio, sot_pos + 2); \r
 288                         sot_len = cio_read(cio, 2); /* SOT Len */\r
 289                         cio_skip(cio, 2);\r
 290                         Psotp = cio_tell(cio);\r
 291                         Psot = cio_read(cio, 4); /* tile length */\r
 292 \r
 293                         /******* post_sod_pos = j2k->cstr_info->tile[tileno].end_header + 1; */\r
 294                         post_sod_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_end_header + 1;\r
 295                         left_THmarks_len = post_sod_pos - sot_pos;\r
 296 \r
 297                         /* add all the lengths of the markers which are len-ready and stay within SOT and SOD */\r
 298                         for (mm = 0; mm < jwmarker_num; mm++) {\r
 299                                 if ((jwmarker[mm].pos >= sot_pos) && (jwmarker[mm].pos < post_sod_pos)) {\r
 300                                         if (jwmarker[mm].len_ready)\r
 301                                                 left_THmarks_len += jwmarker[mm].len + 2;\r
 302                                         else {\r
 303                                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up TH EPB\n",\r
 304                                                         jwmarker[mm].id, jwmarker[mm].dpos);                            \r
 305                                                 exit(1);\r
 306                                         }\r
 307                                 }\r
 308                         }\r
 309 \r
 310                         /******* if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->sens_TPH_tileno[tilespec] == tileno)) */\r
 311                         if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->sens_TPH_tileno[tilespec] == acc_tpno))\r
 312                                 /* we got a specification from this tile onwards */\r
 313                                 sens = j2k->cp->sens_TPH[tilespec++];\r
 314                 \r
 315                         /* must this TPH have an ESD MS? */\r
 316                         if (j2k->cp->esd_on && (sens >= 0)) {\r
 317 \r
 318                                 /* Create the ESD */\r
 319                                 if (esd_mark = jpwl_esd_create(\r
 320                                         j2k, /* this encoder handle */\r
 321                                         -1, /* we are averaging over all components */\r
 322                                         (unsigned char) j2k->cp->sens_range, /* range method */\r
 323                                         (unsigned char) j2k->cp->sens_addr, /* sensitivity addressing size */\r
 324                                         (unsigned char) sens, /* sensitivity method */\r
 325                                         j2k->cp->sens_size, /* sensitivity value size */\r
 326                                         tileno, /* this ESD is in a tile */\r
 327                                         0, /* number of packets in codestream */\r
 328                                         NULL /* pointer to sensitivity data of packets */\r
 329                                         )) {\r
 330                                         \r
 331                                         /* Add this marker to the 'insertanda' list */\r
 332                                         if (jwmarker_num < JPWL_MAX_NO_MARKERS) {\r
 333                                                 jwmarker[jwmarker_num].id = J2K_MS_ESD; /* its type */\r
 334                                                 jwmarker[jwmarker_num].esdmark = esd_mark; /* the EPB */\r
 335                                                 /****** jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].start_pos + sot_len + 2; */ /* after SOT */\r
 336                                                 jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2; /* after SOT */\r
 337                                                 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.2; /* not first at all! */\r
 338                                                 jwmarker[jwmarker_num].len = esd_mark->Lesd; /* its length */\r
 339                                                 jwmarker[jwmarker_num].len_ready = true; /* ready, yet */\r
 340                                                 jwmarker[jwmarker_num].pos_ready = true; /* ready */\r
 341                                                 jwmarker[jwmarker_num].parms_ready = true; /* not ready */\r
 342                                                 jwmarker[jwmarker_num].data_ready = false; /* ready */\r
 343                                                 jwmarker_num++;\r
 344                                         }\r
 345 \r
 346                                         /* update Psot of the tile  */\r
 347                                         cio_seek(cio, Psotp);\r
 348                                         cio_write(cio, Psot + esd_mark->Lesd + 2, 4);\r
 349 \r
 350                                         opj_event_msg(j2k->cinfo, EVT_INFO,\r
 351                                                 /******* "TPH ESDs: tile %02d, method %d\n", */\r
 352                                                 "TPH ESDs: tile %02d, part %02d, method %d\n",\r
 353                                                 /******* tileno, */\r
 354                                                 tileno, tpno,\r
 355                                                 sens\r
 356                                                 );\r
 357 \r
 358                                 } else {\r
 359                                         /* ooops, problems */\r
 360                                         /***** opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH ESD #%d\n", tileno); */\r
 361                                         opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH ESD #%d,%d\n", tileno, tpno);\r
 362                                 };\r
 363 \r
 364                         }\r
 365                         \r
 366                 }\r
 367         \r
 368         };\r
 369 \r
 370         /* \r
 371          EPB MS for Main Header\r
 372         */\r
 373         /* first of all, must MH have an EPB MS? */\r
 374         if (j2k->cp->epb_on && (j2k->cp->hprot_MH > 0)) {\r
 375 \r
 376                 int mm;\r
 377 \r
 378                 /* position of SOT */\r
 379                 unsigned int sot_pos = j2k->cstr_info->main_head_end + 1;\r
 380 \r
 381                 /* how much space is there between end of SIZ and beginning of SOT? */\r
 382                 int left_MHmarks_len = sot_pos - socsiz_len;\r
 383 \r
 384                 /* add all the lengths of the markers which are len-ready and stay within SOC and SOT */\r
 385                 for (mm = 0; mm < jwmarker_num; mm++) {\r
 386                         if ((jwmarker[mm].pos >=0) && (jwmarker[mm].pos < sot_pos)) {\r
 387                                 if (jwmarker[mm].len_ready)\r
 388                                         left_MHmarks_len += jwmarker[mm].len + 2;\r
 389                                 else {\r
 390                                         opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up MH EPB\n",\r
 391                                                 jwmarker[mm].id, jwmarker[mm].dpos);                            \r
 392                                         exit(1);\r
 393                                 }\r
 394                         }\r
 395                 }\r
 396 \r
 397                 /* Create the EPB */\r
 398                 if (epb_mark = jpwl_epb_create(\r
 399                         j2k, /* this encoder handle */\r
 400                         true, /* is it the latest? */\r
 401                         true, /* is it packed? not for now */\r
 402                         -1, /* we are in main header */\r
 403                         0, /* its index is 0 (first) */\r
 404                         j2k->cp->hprot_MH, /* protection type parameters of data */\r
 405                         socsiz_len, /* pre-data: only SOC+SIZ */\r
 406                         left_MHmarks_len /* post-data: from SOC to SOT, and all JPWL markers within */\r
 407                         )) {\r
 408                         \r
 409                         /* Add this marker to the 'insertanda' list */\r
 410                         if (jwmarker_num < JPWL_MAX_NO_MARKERS) {\r
 411                                 jwmarker[jwmarker_num].id = J2K_MS_EPB; /* its type */\r
 412                                 jwmarker[jwmarker_num].epbmark = epb_mark; /* the EPB */\r
 413                                 jwmarker[jwmarker_num].pos = soc_pos + socsiz_len; /* after SIZ */\r
 414                                 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos; /* first first first! */\r
 415                                 jwmarker[jwmarker_num].len = epb_mark->Lepb; /* its length */\r
 416                                 jwmarker[jwmarker_num].len_ready = true; /* ready */\r
 417                                 jwmarker[jwmarker_num].pos_ready = true; /* ready */\r
 418                                 jwmarker[jwmarker_num].parms_ready = true; /* ready */\r
 419                                 jwmarker[jwmarker_num].data_ready = false; /* not ready */\r
 420                                 jwmarker_num++;\r
 421                         }\r
 422 \r
 423                         opj_event_msg(j2k->cinfo, EVT_INFO,\r
 424                                 "MH  EPB : prot. %d\n",\r
 425                                 j2k->cp->hprot_MH\r
 426                                 );\r
 427 \r
 428                 } else {\r
 429                         /* ooops, problems */\r
 430                         opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH EPB\n");                              \r
 431                 };\r
 432         }\r
 433 \r
 434         /* \r
 435          EPB MSs for Tile Parts\r
 436         */\r
 437         /* cycle through TPHs */\r
 438         hprot = j2k->cp->hprot_MH; /* default spec */\r
 439         tilespec = 0; /* first tile spec */\r
 440         lastileno = 0;\r
 441         packspec = 0;\r
 442         pprot = -1;\r
 443         acc_tpno = 0;\r
 444         for (tileno = 0; tileno < j2k->cstr_info->tw * j2k->cstr_info->th; tileno++) {\r
 445 \r
 446                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
 447                         "Tile %d has %d tile part(s)\n",\r
 448                         tileno, j2k->cstr_info->tile[tileno].num_tps\r
 449                         );\r
 450 \r
 451                 /* for every tile part in the tile */\r
 452                 for (tpno = 0; tpno < j2k->cstr_info->tile[tileno].num_tps; tpno++, acc_tpno++) { \r
 453                 \r
 454                         int sot_len, Psot, Psotp, mm, epb_index = 0, prot_len = 0;\r
 455                         unsigned long sot_pos, post_sod_pos;\r
 456                         unsigned long int left_THmarks_len, epbs_len = 0;\r
 457                         int startpack = 0, stoppack = j2k->cstr_info->packno;\r
 458                         int first_tp_pack, last_tp_pack;\r
 459                         jpwl_epb_ms_t *tph_epb = NULL;\r
 460 \r
 461                         /****** sot_pos = j2k->cstr_info->tile[tileno].start_pos; */\r
 462                         sot_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos;\r
 463                         cio_seek(cio, sot_pos + 2); \r
 464                         sot_len = cio_read(cio, 2); /* SOT Len */\r
 465                         cio_skip(cio, 2);\r
 466                         Psotp = cio_tell(cio);\r
 467                         Psot = cio_read(cio, 4); /* tile length */\r
 468 \r
 469                         /* a-priori length of the data dwelling between SOT and SOD */\r
 470                         /****** post_sod_pos = j2k->cstr_info->tile[tileno].end_header + 1; */\r
 471                         post_sod_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_end_header + 1;\r
 472                         left_THmarks_len = post_sod_pos - (sot_pos + sot_len + 2);\r
 473 \r
 474                         /* add all the lengths of the JPWL markers which are len-ready and stay within SOT and SOD */\r
 475                         for (mm = 0; mm < jwmarker_num; mm++) {\r
 476                                 if ((jwmarker[mm].pos >= sot_pos) && (jwmarker[mm].pos < post_sod_pos)) {\r
 477                                         if (jwmarker[mm].len_ready)\r
 478                                                 left_THmarks_len += jwmarker[mm].len + 2;\r
 479                                         else {\r
 480                                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up TH EPB\n",\r
 481                                                         jwmarker[mm].id, jwmarker[mm].dpos);                            \r
 482                                                 exit(1);\r
 483                                         }\r
 484                                 }\r
 485                         }\r
 486 \r
 487                         /****** if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->hprot_TPH_tileno[tilespec] == tileno)) */\r
 488                         if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->hprot_TPH_tileno[tilespec] == acc_tpno))\r
 489                                 /* we got a specification from this tile part onwards */\r
 490                                 hprot = j2k->cp->hprot_TPH[tilespec++];\r
 491                 \r
 492                         /* must this TPH have an EPB MS? */\r
 493                         if (j2k->cp->epb_on && (hprot > 0)) {\r
 494 \r
 495                                 /* Create the EPB */\r
 496                                 if (epb_mark = jpwl_epb_create(\r
 497                                         j2k, /* this encoder handle */\r
 498                                         false, /* is it the latest? in TPH, no for now (if huge data size in TPH, we'd need more) */\r
 499                                         true, /* is it packed? yes for now */\r
 500                                         tileno, /* we are in TPH */\r
 501                                         epb_index++, /* its index is 0 (first) */\r
 502                                         hprot, /* protection type parameters of following data */\r
 503                                         sot_len + 2, /* pre-data length: only SOT */\r
 504                                         left_THmarks_len /* post-data length: from SOT end to SOD inclusive */\r
 505                                         )) {\r
 506                                         \r
 507                                         /* Add this marker to the 'insertanda' list */\r
 508                                         if (jwmarker_num < JPWL_MAX_NO_MARKERS) {\r
 509                                                 jwmarker[jwmarker_num].id = J2K_MS_EPB; /* its type */\r
 510                                                 jwmarker[jwmarker_num].epbmark = epb_mark; /* the EPB */\r
 511                                                 /****** jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].start_pos + sot_len + 2; */ /* after SOT */\r
 512                                                 jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2; /* after SOT */\r
 513                                                 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos; /* first first first! */\r
 514                                                 jwmarker[jwmarker_num].len = epb_mark->Lepb; /* its length */\r
 515                                                 jwmarker[jwmarker_num].len_ready = true; /* ready */\r
 516                                                 jwmarker[jwmarker_num].pos_ready = true; /* ready */\r
 517                                                 jwmarker[jwmarker_num].parms_ready = true; /* ready */\r
 518                                                 jwmarker[jwmarker_num].data_ready = false; /* not ready */\r
 519                                                 jwmarker_num++;\r
 520                                         }\r
 521 \r
 522                                         /* update Psot of the tile  */\r
 523                                         Psot += epb_mark->Lepb + 2;\r
 524 \r
 525                                         opj_event_msg(j2k->cinfo, EVT_INFO,\r
 526                                                 /***** "TPH EPB : tile %02d, prot. %d\n", */\r
 527                                                 "TPH EPB : tile %02d, part %02d, prot. %d\n",\r
 528                                                 /***** tileno, */\r
 529                                                 tileno, tpno,\r
 530                                                 hprot\r
 531                                                 );\r
 532 \r
 533                                         /* save this TPH EPB address */\r
 534                                         tph_epb = epb_mark;\r
 535 \r
 536                                 } else {\r
 537                                         /* ooops, problems */\r
 538                                         /****** opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH EPB #%d\n", tileno); */\r
 539                                         opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH EPB in #%d,d\n", tileno, tpno);\r
 540                                 };\r
 541 \r
 542                         }                               \r
 543                 \r
 544                         startpack = 0;\r
 545                         /* EPB MSs for UEP packet data protection in Tile Parts */\r
 546                         /****** for (packno = 0; packno < j2k->cstr_info->num; packno++) { */\r
 547                         first_tp_pack = (tpno > 0) ? (first_tp_pack + j2k->cstr_info->tile[tileno].tp[tpno - 1].tp_numpacks) : 0;\r
 548                         last_tp_pack = first_tp_pack + j2k->cstr_info->tile[tileno].tp[tpno].tp_numpacks - 1;\r
 549                         for (packno = 0; packno < j2k->cstr_info->tile[tileno].tp[tpno].tp_numpacks; packno++) {\r
 550 \r
 551                                 /******** if ((packspec < JPWL_MAX_NO_PACKSPECS) &&\r
 552                                         (j2k->cp->pprot_tileno[packspec] == tileno) && (j2k->cp->pprot_packno[packspec] == packno)) { */\r
 553                                 if ((packspec < JPWL_MAX_NO_PACKSPECS) &&\r
 554                                         (j2k->cp->pprot_tileno[packspec] == acc_tpno) && (j2k->cp->pprot_packno[packspec] == packno)) {\r
 555 \r
 556                                         /* we got a specification from this tile and packet onwards */\r
 557                                         /* print the previous spec */\r
 558                                         if (packno > 0) {\r
 559                                                 stoppack = packno - 1;                          \r
 560                                                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
 561                                                         /***** "UEP EPBs: tile %02d, packs. %02d-%02d (B %d-%d), prot. %d\n", */\r
 562                                                         "UEP EPBs: tile %02d, part %02d, packs. %02d-%02d (B %d-%d), prot. %d\n",\r
 563                                                         /***** tileno, */\r
 564                                                         tileno, tpno,\r
 565                                                         startpack,\r
 566                                                         stoppack,\r
 567                                                         /***** j2k->cstr_info->tile[tileno].packet[startpack].start_pos, */\r
 568                                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos,\r
 569                                                         /***** j2k->cstr_info->tile[tileno].packet[stoppack].end_pos, */\r
 570                                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos,\r
 571                                                         pprot);\r
 572 \r
 573                                                 /***** prot_len = j2k->cstr_info->tile[tileno].packet[stoppack].end_pos + 1 -\r
 574                                                         j2k->cstr_info->tile[tileno].packet[startpack].start_pos; */\r
 575                                                 prot_len = j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos + 1 -\r
 576                                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos;\r
 577 \r
 578                                                 /*\r
 579                                                   particular case: if this is the last header and the last packet,\r
 580                                                   then it is better to protect even the EOC marker\r
 581                                                 */\r
 582                                                 /****** if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&\r
 583                                                         (stoppack == (j2k->cstr_info->num - 1))) */\r
 584                                                 if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&\r
 585                                                         (tpno == (j2k->cstr_info->tile[tileno].num_tps - 1)) &&\r
 586                                                         (stoppack == last_tp_pack))\r
 587                                                         /* add the EOC len */\r
 588                                                         prot_len += 2;\r
 589 \r
 590                                                 /* let's add the EPBs */\r
 591                                                 Psot += jpwl_epbs_add(\r
 592                                                         j2k, /* J2K handle */\r
 593                                                         jwmarker, /* pointer to JPWL markers list */\r
 594                                                         &jwmarker_num, /* pointer to the number of current markers */\r
 595                                                         false, /* latest */\r
 596                                                         true, /* packed */\r
 597                                                         false, /* inside MH */\r
 598                                                         &epb_index, /* pointer to EPB index */\r
 599                                                         pprot, /* protection type */\r
 600                                                         /****** (double) (j2k->cstr_info->tile[tileno].start_pos + sot_len + 2) + 0.0001, */ /* position */\r
 601                                                         (double) (j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2) + 0.0001, /* position */\r
 602                                                         tileno, /* number of tile */\r
 603                                                         0, /* length of pre-data */\r
 604                                                         prot_len /*4000*/ /* length of post-data */\r
 605                                                         );\r
 606                                         }\r
 607 \r
 608                                         startpack = packno;\r
 609                                         pprot = j2k->cp->pprot[packspec++];\r
 610                                 }\r
 611 \r
 612                                 //printf("Tile %02d, pack %02d ==> %d\n", tileno, packno, pprot);\r
 613                 \r
 614                         }\r
 615 \r
 616                         /* we are at the end: print the remaining spec */\r
 617                         stoppack = packno - 1;\r
 618                         if (pprot >= 0) {\r
 619 \r
 620                                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
 621                                         /**** "UEP EPBs: tile %02d, packs. %02d-%02d (B %d-%d), prot. %d\n", */\r
 622                                         "UEP EPBs: tile %02d, part %02d, packs. %02d-%02d (B %d-%d), prot. %d\n",\r
 623                                         /**** tileno, */\r
 624                                         tileno, tpno,\r
 625                                         startpack,\r
 626                                         stoppack,\r
 627                                         /***** j2k->image_info->tile[tileno].packet[startpack].start_pos,\r
 628                                         j2k->image_info->tile[tileno].packet[stoppack].end_pos, */\r
 629                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos,\r
 630                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos,\r
 631                                         pprot);\r
 632 \r
 633                                 /***** prot_len = j2k->cstr_info->tile[tileno].packet[stoppack].end_pos + 1 -\r
 634                                         j2k->cstr_info->tile[tileno].packet[startpack].start_pos; */\r
 635                                 prot_len = j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos + 1 -\r
 636                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos;\r
 637 \r
 638                                 /*\r
 639                                   particular case: if this is the last header and the last packet,\r
 640                                   then it is better to protect even the EOC marker\r
 641                                 */\r
 642                                 /***** if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&\r
 643                                         (stoppack == (j2k->cstr_info->num - 1))) */\r
 644                                 if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&\r
 645                                         (tpno == (j2k->cstr_info->tile[tileno].num_tps - 1)) &&\r
 646                                         (stoppack == last_tp_pack))\r
 647                                         /* add the EOC len */\r
 648                                         prot_len += 2;\r
 649 \r
 650                                 /* let's add the EPBs */\r
 651                                 Psot += jpwl_epbs_add(\r
 652                                                         j2k, /* J2K handle */\r
 653                                                         jwmarker, /* pointer to JPWL markers list */\r
 654                                                         &jwmarker_num, /* pointer to the number of current markers */\r
 655                                                         true, /* latest */\r
 656                                                         true, /* packed */\r
 657                                                         false, /* inside MH */\r
 658                                                         &epb_index, /* pointer to EPB index */\r
 659                                                         pprot, /* protection type */\r
 660                                                         /***** (double) (j2k->cstr_info->tile[tileno].start_pos + sot_len + 2) + 0.0001,*/ /* position */\r
 661                                                         (double) (j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2) + 0.0001, /* position */\r
 662                                                         tileno, /* number of tile */\r
 663                                                         0, /* length of pre-data */\r
 664                                                         prot_len /*4000*/ /* length of post-data */\r
 665                                                         );\r
 666                         }\r
 667 \r
 668                         /* we can now check if the TPH EPB was really the last one */\r
 669                         if (tph_epb && (epb_index == 1)) {\r
 670                                 /* set the TPH EPB to be the last one in current header */\r
 671                                 tph_epb->Depb |= (unsigned char) ((true & 0x0001) << 6);\r
 672                                 tph_epb = NULL;\r
 673                         }\r
 674 \r
 675                         /* write back Psot */\r
 676                         cio_seek(cio, Psotp);\r
 677                         cio_write(cio, Psot, 4);\r
 678                 \r
 679                 }\r
 680 \r
 681         };\r
 682 \r
 683         /* reset the position */\r
 684         cio_seek(cio, ciopos);\r
 685 \r
 686 }\r
 687 \r
 688 void jpwl_dump_marks(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {\r
 689 \r
 690         int mm;\r
 691         unsigned long int old_size = j2k->cstr_info->codestream_size;\r
 692         unsigned long int new_size = old_size;\r
 693         int ciopos = cio_tell(cio), soc_pos = j2k->cstr_info->main_head_start;\r
 694         unsigned char *jpwl_buf, *orig_buf;\r
 695         unsigned long int orig_pos;\r
 696         double epbcoding_time = 0.0, esdcoding_time = 0.0;\r
 697 \r
 698         /* Order JPWL markers according to their wishlist position */\r
 699         qsort((void *) jwmarker, (size_t) jwmarker_num, sizeof (jpwl_marker_t), jpwl_markcomp);\r
 700 \r
 701         /* compute markers total size */ \r
 702         for (mm = 0; mm < jwmarker_num; mm++) {\r
 703                 /*printf("%x, %d, %.10f, %d long\n", jwmarker[mm].id, jwmarker[mm].pos,\r
 704                         jwmarker[mm].dpos, jwmarker[mm].len);*/\r
 705                 new_size += jwmarker[mm].len + 2;\r
 706         }\r
 707 \r
 708         /* allocate a new buffer of proper size */\r
 709         if (!(jpwl_buf = (unsigned char *) opj_malloc((size_t) new_size * sizeof (unsigned char)))) {\r
 710                 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not allocate room for JPWL codestream buffer\n");\r
 711                 exit(1);\r
 712         };\r
 713 \r
 714         /* copy the jp2 part, if any */\r
 715         orig_buf = jpwl_buf;\r
 716         memcpy(jpwl_buf, cio->buffer, soc_pos);\r
 717         jpwl_buf += soc_pos;\r
 718 \r
 719         /* cycle through markers */\r
 720         orig_pos = soc_pos + 0; /* start from the beginning */\r
 721         cio_seek(cio, soc_pos + 0); /* rewind the original */\r
 722         for (mm = 0; mm < jwmarker_num; mm++) {\r
 723 \r
 724                 /*\r
 725                 need to copy a piece of the original codestream\r
 726                 if there is such\r
 727                 */\r
 728                 memcpy(jpwl_buf, cio_getbp(cio), jwmarker[mm].pos - orig_pos);\r
 729                 jpwl_buf += jwmarker[mm].pos - orig_pos;\r
 730                 orig_pos = jwmarker[mm].pos;\r
 731                 cio_seek(cio, orig_pos);\r
 732 \r
 733                 /*\r
 734                 then write down the marker\r
 735                 */\r
 736                 switch (jwmarker[mm].id) {\r
 737 \r
 738                 case J2K_MS_EPB:\r
 739                         jpwl_epb_write(jwmarker[mm].epbmark, jpwl_buf);\r
 740                         break;\r
 741 \r
 742                 case J2K_MS_EPC:\r
 743                         jpwl_epc_write(jwmarker[mm].epcmark, jpwl_buf);\r
 744                         break;\r
 745 \r
 746                 case J2K_MS_ESD:\r
 747                         jpwl_esd_write(jwmarker[mm].esdmark, jpwl_buf);\r
 748                         break;\r
 749 \r
 750                 case J2K_MS_RED:\r
 751                         memset(jpwl_buf, 0, jwmarker[mm].len + 2); /* placeholder */\r
 752                         break;\r
 753 \r
 754                 default:\r
 755                         break;\r
 756                 };\r
 757 \r
 758                 /* we set the marker dpos to the new position in the JPWL codestream */\r
 759                 jwmarker[mm].dpos = (double) (jpwl_buf - orig_buf);\r
 760 \r
 761                 /* advance JPWL buffer position */\r
 762                 jpwl_buf += jwmarker[mm].len + 2;\r
 763 \r
 764         }\r
 765 \r
 766         /* finish remaining original codestream */\r
 767         memcpy(jpwl_buf, cio_getbp(cio), old_size - (orig_pos - soc_pos));\r
 768         jpwl_buf += old_size - (orig_pos - soc_pos);\r
 769         cio_seek(cio, soc_pos + old_size);\r
 770         \r
 771         /*\r
 772         update info file based on added markers\r
 773         */\r
 774         if (!jpwl_update_info(j2k, jwmarker, jwmarker_num))\r
 775                 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not update OPJ cstr_info structure\n");\r
 776 \r
 777         /* now we need to repass some markers and fill their data fields */\r
 778         \r
 779         /* first of all, DL and Pcrc in EPCs */ \r
 780         for (mm = 0; mm < jwmarker_num; mm++) {\r
 781 \r
 782                 /* find the EPCs */\r
 783                 if (jwmarker[mm].id == J2K_MS_EPC) {\r
 784 \r
 785                         int epc_pos = (int) jwmarker[mm].dpos, pp;\r
 786                         unsigned short int mycrc = 0x0000;\r
 787 \r
 788                         /* fix and fill the DL field */\r
 789                         jwmarker[mm].epcmark->DL = new_size;\r
 790                         orig_buf[epc_pos + 6] = (unsigned char) (jwmarker[mm].epcmark->DL >> 24);\r
 791                         orig_buf[epc_pos + 7] = (unsigned char) (jwmarker[mm].epcmark->DL >> 16);\r
 792                         orig_buf[epc_pos + 8] = (unsigned char) (jwmarker[mm].epcmark->DL >> 8);\r
 793                         orig_buf[epc_pos + 9] = (unsigned char) (jwmarker[mm].epcmark->DL >> 0);\r
 794 \r
 795                         /* compute the CRC field (excluding itself) */\r
 796                         for (pp = 0; pp < 4; pp++)\r
 797                                 jpwl_updateCRC16(&mycrc, orig_buf[epc_pos + pp]);\r
 798                         for (pp = 6; pp < (jwmarker[mm].len + 2); pp++)\r
 799                                 jpwl_updateCRC16(&mycrc, orig_buf[epc_pos + pp]);\r
 800 \r
 801                         /* fix and fill the CRC */\r
 802                         jwmarker[mm].epcmark->Pcrc = mycrc;\r
 803                         orig_buf[epc_pos + 4] = (unsigned char) (jwmarker[mm].epcmark->Pcrc >> 8);\r
 804                         orig_buf[epc_pos + 5] = (unsigned char) (jwmarker[mm].epcmark->Pcrc >> 0);\r
 805 \r
 806                 }\r
 807         }\r
 808 \r
 809         /* then, sensitivity data in ESDs */ \r
 810         esdcoding_time = opj_clock();\r
 811         for (mm = 0; mm < jwmarker_num; mm++) {\r
 812 \r
 813                 /* find the ESDs */\r
 814                 if (jwmarker[mm].id == J2K_MS_ESD) {\r
 815 \r
 816                         /* remember that they are now in a new position (dpos) */\r
 817                         int esd_pos = (int) jwmarker[mm].dpos;\r
 818 \r
 819                         jpwl_esd_fill(j2k, jwmarker[mm].esdmark, &orig_buf[esd_pos]);\r
 820                 \r
 821                 }\r
 822 \r
 823         }\r
 824         esdcoding_time = opj_clock() - esdcoding_time;\r
 825         if (j2k->cp->esd_on)\r
 826                 opj_event_msg(j2k->cinfo, EVT_INFO, "ESDs sensitivities computed in %f s\n", esdcoding_time);\r
 827 \r
 828         /* finally, RS or CRC parity in EPBs */ \r
 829         epbcoding_time = opj_clock();\r
 830         for (mm = 0; mm < jwmarker_num; mm++) {\r
 831 \r
 832                 /* find the EPBs */\r
 833                 if (jwmarker[mm].id == J2K_MS_EPB) {\r
 834 \r
 835                         /* remember that they are now in a new position (dpos) */\r
 836                         int nn, accum_len;\r
 837 \r
 838                         /* let's see how many EPBs are following this one, included itself */\r
 839                         /* for this to work, we suppose that the markers are correctly ordered */\r
 840                         /* and, overall, that they are in packed mode inside headers */\r
 841                         accum_len = 0;\r
 842                         for (nn = mm; (nn < jwmarker_num) && (jwmarker[nn].id == J2K_MS_EPB) &&\r
 843                                 (jwmarker[nn].pos == jwmarker[mm].pos); nn++)\r
 844                                 accum_len += jwmarker[nn].epbmark->Lepb + 2;\r
 845 \r
 846                         /* fill the current (first) EPB with post-data starting from the computed position */\r
 847                         jpwl_epb_fill(j2k, jwmarker[mm].epbmark, &orig_buf[(int) jwmarker[mm].dpos],\r
 848                                 &orig_buf[(int) jwmarker[mm].dpos + accum_len]);\r
 849                 \r
 850                         /* fill the remaining EPBs in the header with post-data starting from the last position */\r
 851                         for (nn = mm + 1; (nn < jwmarker_num) && (jwmarker[nn].id == J2K_MS_EPB) &&\r
 852                                 (jwmarker[nn].pos == jwmarker[mm].pos); nn++)\r
 853                                 jpwl_epb_fill(j2k, jwmarker[nn].epbmark, &orig_buf[(int) jwmarker[nn].dpos], NULL);\r
 854 \r
 855                         /* skip all the processed EPBs */\r
 856                         mm = nn - 1;\r
 857                 }\r
 858 \r
 859         }\r
 860         epbcoding_time = opj_clock() - epbcoding_time;\r
 861         if (j2k->cp->epb_on)\r
 862                 opj_event_msg(j2k->cinfo, EVT_INFO, "EPBs redundancy computed in %f s\n", epbcoding_time);\r
 863 \r
 864         /* free original cio buffer and set it to the JPWL one */\r
 865         opj_free(cio->buffer);\r
 866         /*cio->cinfo;*/ /* no change */\r
 867         /*cio->openmode;*/ /* no change */\r
 868         /*cio->buffer = jpwl_buf - new_size - soc_pos;*/\r
 869         cio->buffer = orig_buf;\r
 870         cio->length = new_size + soc_pos;\r
 871         cio->start = jpwl_buf - new_size - soc_pos;\r
 872         cio->end = jpwl_buf - 1;\r
 873         cio->bp = jpwl_buf - new_size - soc_pos;\r
 874         cio_seek(cio, soc_pos + new_size);\r
 875 \r
 876 }\r
 877 \r
 878 \r
 879 void j2k_read_epc(opj_j2k_t *j2k) {\r
 880         unsigned long int DL, Lepcp, Pcrcp, l;\r
 881         unsigned short int Lepc, Pcrc = 0x0000;\r
 882         unsigned char Pepc;     \r
 883         opj_cio_t *cio = j2k->cio;\r
 884         char *ans1;\r
 885 \r
 886         /* Simply read the EPC parameters */\r
 887         Lepcp = cio_tell(cio);\r
 888         Lepc = cio_read(cio, 2);\r
 889         Pcrcp = cio_tell(cio);\r
 890         cio_skip(cio, 2); /* Pcrc */\r
 891         DL = cio_read(cio, 4);\r
 892         Pepc = cio_read(cio, 1);\r
 893 \r
 894         /* compute Pcrc */\r
 895         cio_seek(cio, Lepcp - 2);\r
 896 \r
 897                 /* Marker */\r
 898                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 899                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 900 \r
 901                 /* Length */\r
 902                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 903                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 904 \r
 905                 /* skip Pcrc */\r
 906                 cio_skip(cio, 2);\r
 907 \r
 908                 /* read all remaining */\r
 909                 for (l = 4; l < Lepc; l++)\r
 910                         jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 911 \r
 912                 /* check Pcrc with the result */\r
 913                 cio_seek(cio, Pcrcp);\r
 914                 ans1 = (Pcrc == (unsigned short int) cio_read(cio, 2)) ? "crc-ok" : "crc-ko";\r
 915 \r
 916         /* now we write them to screen */\r
 917         opj_event_msg(j2k->cinfo, EVT_INFO, \r
 918                 "EPC(%u,%d): %s, DL=%d%s %s %s\n",\r
 919                 Lepcp - 2,\r
 920                 Lepc,\r
 921                 ans1,\r
 922                 DL, /* data length this EPC is referring to */\r
 923                 (Pepc & 0x10) ? ", esd" : "", /* ESD is present */\r
 924                 (Pepc & 0x20) ? ", red" : "", /* RED is present */\r
 925                 (Pepc & 0x40) ? ", epb" : ""); /* EPB is present */\r
 926 \r
 927         cio_seek(cio, Lepcp + Lepc);  \r
 928 }\r
 929 \r
 930 void j2k_write_epc(opj_j2k_t *j2k) {\r
 931 \r
 932         unsigned long int DL, Lepcp, Pcrcp, l;\r
 933         unsigned short int Lepc, Pcrc;\r
 934         unsigned char Pepc;     \r
 935 \r
 936         opj_cio_t *cio = j2k->cio;\r
 937 \r
 938         cio_write(cio, J2K_MS_EPC, 2);  /* EPC */\r
 939         Lepcp = cio_tell(cio);\r
 940         cio_skip(cio, 2);\r
 941 \r
 942         /* CRC-16 word of the EPC */\r
 943         Pcrc = 0x0000; /* initialize */\r
 944         Pcrcp = cio_tell(cio);\r
 945         cio_write(cio, Pcrc, 2); /* Pcrc placeholder*/\r
 946 \r
 947         /* data length of the EPC protection domain */\r
 948         DL = 0x00000000; /* we leave this set to 0, as if the information is not available */\r
 949         cio_write(cio, DL, 4);   /* DL */\r
 950 \r
 951         /* jpwl capabilities */\r
 952         Pepc = 0x00;\r
 953         cio_write(cio, Pepc, 1); /* Pepc */\r
 954 \r
 955         /* ID section */\r
 956         /* no ID's, as of now */\r
 957 \r
 958         Lepc = (unsigned short) (cio_tell(cio) - Lepcp);\r
 959         cio_seek(cio, Lepcp);\r
 960         cio_write(cio, Lepc, 2); /* Lepc */\r
 961 \r
 962         /* compute Pcrc */\r
 963         cio_seek(cio, Lepcp - 2);\r
 964 \r
 965                 /* Marker */\r
 966                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 967                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 968 \r
 969                 /* Length */\r
 970                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 971                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 972 \r
 973                 /* skip Pcrc */\r
 974                 cio_skip(cio, 2);\r
 975 \r
 976                 /* read all remaining */\r
 977                 for (l = 4; l < Lepc; l++)\r
 978                         jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 979 \r
 980                 /* fill Pcrc with the result */\r
 981                 cio_seek(cio, Pcrcp);\r
 982                 cio_write(cio, Pcrc, 2);\r
 983 \r
 984         cio_seek(cio, Lepcp + Lepc);\r
 985 }\r
 986 \r
 987 void j2k_read_epb(opj_j2k_t *j2k) {\r
 988         unsigned long int LDPepb, Pepb;\r
 989         unsigned short int Lepb;\r
 990         unsigned char Depb;\r
 991         char str1[25] = "";\r
 992         bool status;\r
 993         static bool first_in_tph = true;\r
 994         int type, pre_len, post_len;\r
 995         static unsigned char *redund = NULL;\r
 996         \r
 997         opj_cio_t *cio = j2k->cio;\r
 998 \r
 999         /* B/W = 45, RGB = 51 */\r
1000         /*           SIZ   SIZ_FIELDS     SIZ_COMPS               FOLLOWING_MARKER */\r
1001         int skipnum = 2  +     38     + 3 * j2k->cp->exp_comps  +         2;\r
1002 \r
1003         if (j2k->cp->correct) {\r
1004 \r
1005                 /* go back to EPB marker value */\r
1006                 cio_seek(cio, cio_tell(cio) - 2);\r
1007 \r
1008                 /* we need to understand where we are */\r
1009                 if (j2k->state == J2K_STATE_MH) {\r
1010                         /* we are in MH */\r
1011                         type = 0; /* MH */\r
1012                         pre_len = skipnum; /* SOC+SIZ */\r
1013                         post_len = -1; /* auto */\r
1014 \r
1015                 } else if ((j2k->state == J2K_STATE_TPH) && first_in_tph) {\r
1016                         /* we are in TPH */\r
1017                         type = 1; /* TPH */\r
1018                         pre_len = 12; /* SOC+SIZ */\r
1019                         first_in_tph = false;\r
1020                         post_len = -1; /* auto */\r
1021 \r
1022                 } else {\r
1023                         /* we are elsewhere */\r
1024                         type = 2; /* other */\r
1025                         pre_len = 0; /* nada */\r
1026                         post_len = -1; /* auto */\r
1027 \r
1028                 }\r
1029 \r
1030                 /* call EPB corrector */\r
1031                 /*printf("before %x, ", redund);*/\r
1032                 status = jpwl_epb_correct(j2k,      /* J2K decompressor handle */\r
1033                                                                   cio->bp,  /* pointer to EPB in codestream buffer */\r
1034                                                                   type,     /* EPB type: MH */\r
1035                                                                   pre_len,  /* length of pre-data */\r
1036                                                                   post_len, /* length of post-data: -1 means auto */\r
1037                                                                   NULL,     /* do everything auto */\r
1038                                                                   &redund\r
1039                                                                  );\r
1040                 /*printf("after %x\n", redund);*/\r
1041 \r
1042                 /* Read the (possibly corrected) EPB parameters */\r
1043                 cio_skip(cio, 2);\r
1044                 Lepb = cio_read(cio, 2);\r
1045                 Depb = cio_read(cio, 1);\r
1046                 LDPepb = cio_read(cio, 4);\r
1047                 Pepb = cio_read(cio, 4);\r
1048 \r
1049                 if (!status) {\r
1050 \r
1051                         opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL correction could not be performed\n");\r
1052 \r
1053                         /* advance to EPB endpoint */\r
1054                         cio_skip(cio, Lepb + 2);  \r
1055 \r
1056                         return;\r
1057                 }\r
1058 \r
1059                 /* last in current header? */\r
1060                 if (Depb & 0x40) {\r
1061                         redund = NULL; /* reset the pointer to L4 buffer */\r
1062                         first_in_tph = true;\r
1063                 }\r
1064 \r
1065                 /* advance to EPB endpoint */\r
1066                 cio_skip(cio, Lepb - 11);  \r
1067 \r
1068         } else {\r
1069 \r
1070                 /* Simply read the EPB parameters */\r
1071                 Lepb = cio_read(cio, 2);\r
1072                 Depb = cio_read(cio, 1);\r
1073                 LDPepb = cio_read(cio, 4);\r
1074                 Pepb = cio_read(cio, 4);\r
1075 \r
1076                 /* What does Pepb tells us about the protection method? */\r
1077                 if (((Pepb & 0xF0000000) >> 28) == 0)\r
1078                         sprintf(str1, "pred"); /* predefined */\r
1079                 else if (((Pepb & 0xF0000000) >> 28) == 1)\r
1080                         sprintf(str1, "crc-%d", 16 * ((Pepb & 0x00000001) + 1)); /* CRC mode */\r
1081                 else if (((Pepb & 0xF0000000) >> 28) == 2)\r
1082                         sprintf(str1, "rs(%d,32)", (Pepb & 0x0000FF00) >> 8); /* RS mode */\r
1083                 else if (Pepb == 0xFFFFFFFF)\r
1084                         sprintf(str1, "nometh"); /* RS mode */\r
1085                 else\r
1086                         sprintf(str1, "unknown"); /* unknown */\r
1087 \r
1088                 /* Now we write them to screen */\r
1089                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
1090                         "EPB(%d): (%sl, %sp, %u), %lu, %s\n",\r
1091                         cio_tell(cio) - 13,\r
1092                         (Depb & 0x40) ? "" : "n", /* latest EPB or not? */\r
1093                         (Depb & 0x80) ? "" : "n", /* packed or unpacked EPB? */\r
1094                         (Depb & 0x3F), /* EPB index value */\r
1095                         LDPepb, /*length of the data protected by the EPB */\r
1096                         str1); /* protection method */\r
1097 \r
1098                 cio_skip(cio, Lepb - 11);  \r
1099         }\r
1100 }\r
1101 \r
1102 void j2k_write_epb(opj_j2k_t *j2k) {\r
1103         unsigned long int LDPepb, Pepb, Lepbp;\r
1104         unsigned short int Lepb;\r
1105         unsigned char Depb;\r
1106 \r
1107         opj_cio_t *cio = j2k->cio;\r
1108 \r
1109         cio_write(cio, J2K_MS_EPB, 2);  /* EPB */\r
1110         Lepbp = cio_tell(cio);\r
1111         cio_skip(cio, 2);\r
1112 \r
1113         /* EPB style */\r
1114         Depb = 0x00; /* test */\r
1115         cio_write(cio, Depb, 1);   /* Depb */\r
1116 \r
1117         /* length of the data to be protected by this EPB */\r
1118         LDPepb = 0x00000000; /* test */\r
1119         cio_write(cio, LDPepb, 4);   /* LDPepb */\r
1120 \r
1121         /* next error correction tool */\r
1122         Pepb = 0x00000000; /* test */\r
1123         cio_write(cio, Pepb, 4);   /* Pepb */\r
1124 \r
1125         /* EPB data */\r
1126         /* no data, as of now */\r
1127 \r
1128         Lepb = (unsigned short) (cio_tell(cio) - Lepbp);\r
1129         cio_seek(cio, Lepbp);\r
1130         cio_write(cio, Lepb, 2);                /* Lepb */\r
1131 \r
1132         cio_seek(cio, Lepbp + Lepb);\r
1133 }\r
1134 \r
1135 void j2k_read_esd(opj_j2k_t *j2k) {\r
1136         unsigned short int Lesd, Cesd;\r
1137         unsigned char Pesd;\r
1138 \r
1139         int cesdsize = (j2k->image->numcomps >= 257) ? 2 : 1;\r
1140 \r
1141         char str1[4][4] = {"p", "br", "pr", "res"};\r
1142         char str2[8][8] = {"res", "mse", "mse-r", "psnr", "psnr-i", "maxerr", "tse", "res"};\r
1143         \r
1144         opj_cio_t *cio = j2k->cio;\r
1145 \r
1146         /* Simply read the ESD parameters */\r
1147         Lesd = cio_read(cio, 2);\r
1148         Cesd = cio_read(cio, cesdsize);\r
1149         Pesd = cio_read(cio, 1);\r
1150 \r
1151         /* Now we write them to screen */\r
1152         opj_event_msg(j2k->cinfo, EVT_INFO,\r
1153                 "ESD(%d): c%d, %s, %s, %s, %s, %s\n",\r
1154                 cio_tell(cio) - (5 + cesdsize),\r
1155                 Cesd, /* component number for this ESD */\r
1156                 str1[(Pesd & (unsigned char) 0xC0) >> 6], /* addressing mode */\r
1157                 str2[(Pesd & (unsigned char) 0x38) >> 3], /* sensitivity type */\r
1158                 ((Pesd & (unsigned char) 0x04) >> 2) ? "2Bs" : "1Bs",\r
1159                 ((Pesd & (unsigned char) 0x02) >> 1) ? "4Ba" : "2Ba",\r
1160                 (Pesd & (unsigned char) 0x01) ? "avgc" : "");\r
1161 \r
1162         cio_skip(cio, Lesd - (3 + cesdsize));  \r
1163 }\r
1164 \r
1165 void j2k_read_red(opj_j2k_t *j2k) {\r
1166         unsigned short int Lred;\r
1167         unsigned char Pred;\r
1168         char str1[4][4] = {"p", "br", "pr", "res"};\r
1169         \r
1170         opj_cio_t *cio = j2k->cio;\r
1171 \r
1172         /* Simply read the RED parameters */\r
1173         Lred = cio_read(cio, 2);\r
1174         Pred = cio_read(cio, 1);\r
1175 \r
1176         /* Now we write them to screen */\r
1177         opj_event_msg(j2k->cinfo, EVT_INFO,\r
1178                 "RED(%d): %s, %dc, %s, %s\n",\r
1179                 cio_tell(cio) - 5,\r
1180                 str1[(Pred & (unsigned char) 0xC0) >> 6], /* addressing mode */\r
1181                 (Pred & (unsigned char) 0x38) >> 3, /* corruption level */\r
1182                 ((Pred & (unsigned char) 0x02) >> 1) ? "4Ba" : "2Ba", /* address range */\r
1183                 (Pred & (unsigned char) 0x01) ? "errs" : "free"); /* error free? */\r
1184 \r
1185         cio_skip(cio, Lred - 3);  \r
1186 }\r
1187 \r
1188 bool jpwl_check_tile(opj_j2k_t *j2k, opj_tcd_t *tcd, int tileno) {\r
1189 \r
1190         /*\r
1191            we navigate through the tile and find possible invalid parameters:\r
1192        this saves a lot of crashes!!!!!\r
1193          */\r
1194         int compno, resno, precno, /*layno,*/ bandno, blockno;\r
1195         int numprecincts, numblocks;\r
1196 \r
1197         /* this is the selected tile */\r
1198         opj_tcd_tile_t *tile = &(tcd->tcd_image->tiles[tileno]);\r
1199 \r
1200         /* will keep the component */\r
1201         opj_tcd_tilecomp_t *comp = NULL;\r
1202 \r
1203         /* will keep the resolution */\r
1204         opj_tcd_resolution_t *res;\r
1205 \r
1206         /* will keep the subband */\r
1207         opj_tcd_band_t *band; \r
1208 \r
1209         /* will keep the precinct */\r
1210         opj_tcd_precinct_t *prec; \r
1211 \r
1212         /* will keep the codeblock */\r
1213         opj_tcd_cblk_t *block;\r
1214 \r
1215         /* check all tile components */\r
1216         for (compno = 0; compno < tile->numcomps; compno++) {\r
1217                 comp = &(tile->comps[compno]);\r
1218 \r
1219                 /* check all component resolutions */\r
1220                 for (resno = 0; resno < comp->numresolutions; resno++) {\r
1221                         res = &(comp->resolutions[resno]);\r
1222                         numprecincts = res->pw * res->ph;\r
1223 \r
1224                         /* check all the subbands */\r
1225                         for (bandno = 0; bandno < res->numbands; bandno++) {\r
1226                                 band = &(res->bands[bandno]);\r
1227 \r
1228                                 /* check all the precincts */\r
1229                                 for (precno = 0; precno < numprecincts; precno++) {\r
1230                                         prec = &(band->precincts[precno]);\r
1231                                         numblocks = prec->ch * prec->cw;\r
1232 \r
1233                                         /* check all the codeblocks */\r
1234                                         for (blockno = 0; blockno < numblocks; blockno++) {\r
1235                                                 block = &(prec->cblks[blockno]);\r
1236 \r
1237                                                 /* x-origin is invalid */\r
1238                                                 if ((block->x0 < prec->x0) || (block->x0 > prec->x1)) {\r
1239                                                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,\r
1240                                                                 "JPWL: wrong x-cord of block origin %d => x-prec is (%d, %d)\n",\r
1241                                                                 block->x0, prec->x0, prec->x1);\r
1242                                                         if (!JPWL_ASSUME || JPWL_ASSUME)\r
1243                                                                 return false;\r
1244                                                 };\r
1245                                         }\r
1246                                 }                               \r
1247                         }\r
1248                 }\r
1249         }\r
1250 \r
1251         return true;\r
1252 }\r
1253 \r
1254 /*@}*/\r
1255 \r
1256 #endif /* USE_JPWL */\r
1257 \r
1258 \r
1259 #ifdef USE_JPSEC\r
1260 \r
1261 /** @defgroup JPSEC JPSEC - JPEG-2000 Part 8 (JPSEC) codestream manager */\r
1262 /*@{*/\r
1263 \r
1264 \r
1265 /** @name Local static functions */\r
1266 /*@{*/\r
1267 \r
1268 void j2k_read_sec(opj_j2k_t *j2k) {\r
1269         unsigned short int Lsec;\r
1270         \r
1271         opj_cio_t *cio = j2k->cio;\r
1272 \r
1273         /* Simply read the SEC length */\r
1274         Lsec = cio_read(cio, 2);\r
1275 \r
1276         /* Now we write them to screen */\r
1277         opj_event_msg(j2k->cinfo, EVT_INFO,\r
1278                 "SEC(%d)\n",\r
1279                 cio_tell(cio) - 2\r
1280                 );\r
1281 \r
1282         cio_skip(cio, Lsec - 2);  \r
1283 }\r
1284 \r
1285 void j2k_write_sec(opj_j2k_t *j2k) {\r
1286         unsigned short int Lsec = 24;\r
1287         int i;\r
1288 \r
1289         opj_cio_t *cio = j2k->cio;\r
1290 \r
1291         cio_write(cio, J2K_MS_SEC, 2);  /* SEC */\r
1292         cio_write(cio, Lsec, 2);\r
1293 \r
1294         /* write dummy data */\r
1295         for (i = 0; i < Lsec - 2; i++)\r
1296                 cio_write(cio, 0, 1);\r
1297 }\r
1298 \r
1299 void j2k_read_insec(opj_j2k_t *j2k) {\r
1300         unsigned short int Linsec;\r
1301         \r
1302         opj_cio_t *cio = j2k->cio;\r
1303 \r
1304         /* Simply read the INSEC length */\r
1305         Linsec = cio_read(cio, 2);\r
1306 \r
1307         /* Now we write them to screen */\r
1308         opj_event_msg(j2k->cinfo, EVT_INFO,\r
1309                 "INSEC(%d)\n",\r
1310                 cio_tell(cio) - 2\r
1311                 );\r
1312 \r
1313         cio_skip(cio, Linsec - 2);  \r
1314 }\r
1315 \r
1316 \r
1317 /*@}*/\r
1318 \r
1319 /*@}*/\r
1320 \r
1321 #endif /* USE_JPSEC */\r
1322 \r