libopenjpeg/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, Herve 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 "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, opj_bool esd_on, opj_bool red_on, opj_bool epb_on, opj_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, \r
  79         unsigned char addrm, unsigned char ad_size,\r
  80         unsigned char senst, int se_size, int tileno,\r
  81         unsigned long int svalnum, void *sensval);\r
  82                         \r
  83 /** this function is used to compare two JPWL markers based on\r
  84 their relevant wishlist position\r
  85 @param arg1 pointer to first marker\r
  86 @param arg2 pointer to second marker\r
  87 @return 1 if arg1>arg2, 0 if arg1=arg2, -1 if arg1<arg2\r
  88 */\r
  89 int jpwl_markcomp(const void *arg1, const void *arg2);\r
  90 \r
  91 /** write an EPB MS to a buffer\r
  92 @param j2k J2K compressor handle\r
  93 @param epbmark pointer to the EPB MS\r
  94 @param buf pointer to the memory buffer\r
  95 */\r
  96 void jpwl_epb_write(opj_j2k_t *j2k, jpwl_epb_ms_t *epbmark, unsigned char *buf);\r
  97 \r
  98 /** write an EPC MS to a buffer\r
  99 @param j2k J2K compressor handle\r
 100 @param epcmark pointer to the EPC MS\r
 101 @param buf pointer to the memory buffer\r
 102 */\r
 103 void jpwl_epc_write(opj_j2k_t *j2k, jpwl_epc_ms_t *epcmark, unsigned char *buf);\r
 104 \r
 105 /** write an ESD MS to a buffer\r
 106 @param j2k J2K compressor handle\r
 107 @param esdmark pointer to the ESD MS\r
 108 @param buf pointer to the memory buffer\r
 109 */\r
 110 void jpwl_esd_write(opj_j2k_t *j2k, jpwl_esd_ms_t *esdmark, unsigned char *buf);\r
 111 \r
 112 /*-----------------------------------------------------------------*/\r
 113 \r
 114 void jpwl_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {\r
 115 \r
 116         int mm;\r
 117 \r
 118         /* let's reset some settings */\r
 119 \r
 120         /* clear the existing markers */\r
 121         for (mm = 0; mm < jwmarker_num; mm++) {\r
 122 \r
 123                 switch (jwmarker[mm].id) {\r
 124 \r
 125                 case J2K_MS_EPB:\r
 126                         opj_free(jwmarker[mm].m.epbmark);\r
 127                         break;\r
 128 \r
 129                 case J2K_MS_EPC:\r
 130                         opj_free(jwmarker[mm].m.epcmark);\r
 131                         break;\r
 132 \r
 133                 case J2K_MS_ESD:\r
 134                         opj_free(jwmarker[mm].m.esdmark);\r
 135                         break;\r
 136 \r
 137                 case J2K_MS_RED:\r
 138                         opj_free(jwmarker[mm].m.redmark);\r
 139                         break;\r
 140 \r
 141                 default:\r
 142                         break;\r
 143                 }\r
 144         }\r
 145 \r
 146         /* clear the marker structure array */\r
 147         memset(jwmarker, 0, sizeof(jpwl_marker_t) * JPWL_MAX_NO_MARKERS);\r
 148 \r
 149         /* no more markers in the list */\r
 150         jwmarker_num = 0;\r
 151 \r
 152         /* let's begin creating a marker list, according to user wishes */\r
 153         jpwl_prepare_marks(j2k, cio, image);\r
 154 \r
 155         /* now we dump the JPWL markers on the codestream */\r
 156         jpwl_dump_marks(j2k, cio, image);\r
 157 \r
 158         /* do not know exactly what is this for,\r
 159         but it gets called during index creation */\r
 160         j2k->pos_correction = 0;\r
 161 \r
 162 }\r
 163 \r
 164 void j2k_add_marker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {\r
 165 \r
 166         if (!cstr_info)\r
 167                 return;\r
 168 \r
 169         /* expand the list? */\r
 170         if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {\r
 171                 cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);\r
 172                 cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);\r
 173         }\r
 174 \r
 175         /* add the marker */\r
 176         cstr_info->marker[cstr_info->marknum].type = type;\r
 177         cstr_info->marker[cstr_info->marknum].pos = pos;\r
 178         cstr_info->marker[cstr_info->marknum].len = len;\r
 179         cstr_info->marknum++;\r
 180 \r
 181 }\r
 182 \r
 183 void jpwl_prepare_marks(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {\r
 184 \r
 185         unsigned short int socsiz_len = 0;\r
 186         int ciopos = cio_tell(cio), soc_pos = j2k->cstr_info->main_head_start;\r
 187         unsigned char *socp = NULL;\r
 188 \r
 189         int tileno, acc_tpno, tpno, tilespec, hprot, sens, pprot, packspec, lastileno, packno;\r
 190 \r
 191         jpwl_epb_ms_t *epb_mark;\r
 192         jpwl_epc_ms_t *epc_mark;\r
 193         jpwl_esd_ms_t *esd_mark;\r
 194 \r
 195         /* find (SOC + SIZ) length */\r
 196         /* I assume SIZ is always the first marker after SOC */\r
 197         cio_seek(cio, soc_pos + 4);\r
 198         socsiz_len = (unsigned short int) cio_read(cio, 2) + 4; /* add the 2 marks length itself */\r
 199         cio_seek(cio, soc_pos + 0);\r
 200         socp = cio_getbp(cio); /* pointer to SOC */\r
 201 \r
 202         /* \r
 203          EPC MS for Main Header: if we are here it's required\r
 204         */\r
 205         /* create the EPC */\r
 206         if ((epc_mark = jpwl_epc_create(\r
 207                         j2k,\r
 208                         j2k->cp->esd_on, /* is ESD present? */\r
 209                         j2k->cp->red_on, /* is RED present? */\r
 210                         j2k->cp->epb_on, /* is EPB present? */\r
 211                         OPJ_FALSE /* are informative techniques present? */\r
 212                 ))) {\r
 213 \r
 214                 /* Add this marker to the 'insertanda' list */\r
 215                 if (epc_mark) {\r
 216                         jwmarker[jwmarker_num].id = J2K_MS_EPC; /* its type */\r
 217                         jwmarker[jwmarker_num].m.epcmark = epc_mark; /* the EPC */\r
 218                         jwmarker[jwmarker_num].pos = soc_pos + socsiz_len; /* after SIZ */\r
 219                         jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.1; /* not so first */\r
 220                         jwmarker[jwmarker_num].len = epc_mark->Lepc; /* its length */\r
 221                         jwmarker[jwmarker_num].len_ready = OPJ_TRUE; /* ready */\r
 222                         jwmarker[jwmarker_num].pos_ready = OPJ_TRUE; /* ready */\r
 223                         jwmarker[jwmarker_num].parms_ready = OPJ_FALSE; /* not ready */\r
 224                         jwmarker[jwmarker_num].data_ready = OPJ_TRUE; /* ready */\r
 225                         jwmarker_num++;\r
 226                 };\r
 227 \r
 228                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
 229                         "MH  EPC : setting %s%s%s\n",\r
 230                         j2k->cp->esd_on ? "ESD, " : "",\r
 231                         j2k->cp->red_on ? "RED, " : "",\r
 232                         j2k->cp->epb_on ? "EPB, " : ""\r
 233                         );\r
 234 \r
 235         } else {\r
 236                 /* ooops, problems */\r
 237                 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH EPC\n");                              \r
 238         };\r
 239 \r
 240         /* \r
 241          ESD MS for Main Header\r
 242         */\r
 243         /* first of all, must MH have an ESD MS? */\r
 244         if (j2k->cp->esd_on && (j2k->cp->sens_MH >= 0)) {\r
 245 \r
 246                 /* Create the ESD */\r
 247                 if ((esd_mark = jpwl_esd_create(\r
 248                         j2k, /* this encoder handle */\r
 249                         -1, /* we are averaging over all components */\r
 250                         (unsigned char) j2k->cp->sens_range, /* range method */\r
 251                         (unsigned char) j2k->cp->sens_addr, /* sensitivity addressing */\r
 252                         (unsigned char) j2k->cp->sens_MH, /* sensitivity method */\r
 253                         j2k->cp->sens_size, /* sensitivity size */\r
 254                         -1, /* this ESD is in main header */\r
 255                         0 /*j2k->cstr_info->num*/, /* number of packets in codestream */\r
 256                         NULL /*sensval*/ /* pointer to sensitivity data of packets */\r
 257                         ))) {\r
 258                         \r
 259                         /* Add this marker to the 'insertanda' list */\r
 260                         if (jwmarker_num < JPWL_MAX_NO_MARKERS) {\r
 261                                 jwmarker[jwmarker_num].id = J2K_MS_ESD; /* its type */\r
 262                                 jwmarker[jwmarker_num].m.esdmark = esd_mark; /* the EPB */\r
 263                                 jwmarker[jwmarker_num].pos = soc_pos + socsiz_len; /* we choose to place it after SIZ */\r
 264                                 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.2; /* not first at all! */\r
 265                                 jwmarker[jwmarker_num].len = esd_mark->Lesd; /* its length */\r
 266                                 jwmarker[jwmarker_num].len_ready = OPJ_TRUE; /* not ready, yet */\r
 267                                 jwmarker[jwmarker_num].pos_ready = OPJ_TRUE; /* ready */\r
 268                                 jwmarker[jwmarker_num].parms_ready = OPJ_TRUE; /* not ready */\r
 269                                 jwmarker[jwmarker_num].data_ready = OPJ_FALSE; /* not ready */\r
 270                                 jwmarker_num++;\r
 271                         }\r
 272 \r
 273                         opj_event_msg(j2k->cinfo, EVT_INFO,\r
 274                                 "MH  ESDs: method %d\n",\r
 275                                 j2k->cp->sens_MH\r
 276                                 );\r
 277 \r
 278                 } else {\r
 279                         /* ooops, problems */\r
 280                         opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH ESD\n");                              \r
 281                 };\r
 282 \r
 283         }\r
 284 \r
 285         /* \r
 286          ESD MSs for Tile Part Headers \r
 287         */\r
 288         /* cycle through tiles */\r
 289         sens = -1; /* default spec: no ESD */\r
 290         tilespec = 0; /* first tile spec */\r
 291         acc_tpno = 0;\r
 292         for (tileno = 0; tileno < j2k->cstr_info->tw * j2k->cstr_info->th; tileno++) {\r
 293 \r
 294                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
 295                         "Tile %d has %d tile part(s)\n",\r
 296                         tileno, j2k->cstr_info->tile[tileno].num_tps\r
 297                         );\r
 298 \r
 299                 /* for every tile part in the tile */\r
 300                 for (tpno = 0; tpno < j2k->cstr_info->tile[tileno].num_tps; tpno++, acc_tpno++) {\r
 301         \r
 302                         int sot_len, Psot, Psotp, mm;\r
 303                         unsigned long sot_pos, post_sod_pos;\r
 304 \r
 305                         unsigned long int left_THmarks_len;\r
 306 \r
 307                         /******* sot_pos = j2k->cstr_info->tile[tileno].start_pos; */\r
 308                         sot_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos;\r
 309                         cio_seek(cio, sot_pos + 2); \r
 310                         sot_len = cio_read(cio, 2); /* SOT Len */\r
 311                         cio_skip(cio, 2);\r
 312                         Psotp = cio_tell(cio);\r
 313                         Psot = cio_read(cio, 4); /* tile length */\r
 314 \r
 315                         /******* post_sod_pos = j2k->cstr_info->tile[tileno].end_header + 1; */\r
 316                         post_sod_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_end_header + 1;\r
 317                         left_THmarks_len = post_sod_pos - sot_pos;\r
 318 \r
 319                         /* add all the lengths of the markers which are len-ready and stay within SOT and SOD */\r
 320                         for (mm = 0; mm < jwmarker_num; mm++) {\r
 321                                 if ((jwmarker[mm].pos >= sot_pos) && (jwmarker[mm].pos < post_sod_pos)) {\r
 322                                         if (jwmarker[mm].len_ready)\r
 323                                                 left_THmarks_len += jwmarker[mm].len + 2;\r
 324                                         else {\r
 325                                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up TH EPB\n",\r
 326                                                         jwmarker[mm].id, jwmarker[mm].dpos);                            \r
 327                                                 exit(1);\r
 328                                         }\r
 329                                 }\r
 330                         }\r
 331 \r
 332                         /******* if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->sens_TPH_tileno[tilespec] == tileno)) */\r
 333                         if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->sens_TPH_tileno[tilespec] == acc_tpno))\r
 334                                 /* we got a specification from this tile onwards */\r
 335                                 sens = j2k->cp->sens_TPH[tilespec++];\r
 336                 \r
 337                         /* must this TPH have an ESD MS? */\r
 338                         if (j2k->cp->esd_on && (sens >= 0)) {\r
 339 \r
 340                                 /* Create the ESD */\r
 341                                 if ((esd_mark = jpwl_esd_create(\r
 342                                         j2k, /* this encoder handle */\r
 343                                         -1, /* we are averaging over all components */\r
 344                                         (unsigned char) j2k->cp->sens_range, /* range method */\r
 345                                         (unsigned char) j2k->cp->sens_addr, /* sensitivity addressing size */\r
 346                                         (unsigned char) sens, /* sensitivity method */\r
 347                                         j2k->cp->sens_size, /* sensitivity value size */\r
 348                                         tileno, /* this ESD is in a tile */\r
 349                                         0, /* number of packets in codestream */\r
 350                                         NULL /* pointer to sensitivity data of packets */\r
 351                                         ))) {\r
 352                                         \r
 353                                         /* Add this marker to the 'insertanda' list */\r
 354                                         if (jwmarker_num < JPWL_MAX_NO_MARKERS) {\r
 355                                                 jwmarker[jwmarker_num].id = J2K_MS_ESD; /* its type */\r
 356                                                 jwmarker[jwmarker_num].m.esdmark = esd_mark; /* the EPB */\r
 357                                                 /****** jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].start_pos + sot_len + 2; */ /* after SOT */\r
 358                                                 jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2; /* after SOT */\r
 359                                                 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.2; /* not first at all! */\r
 360                                                 jwmarker[jwmarker_num].len = esd_mark->Lesd; /* its length */\r
 361                                                 jwmarker[jwmarker_num].len_ready = OPJ_TRUE; /* ready, yet */\r
 362                                                 jwmarker[jwmarker_num].pos_ready = OPJ_TRUE; /* ready */\r
 363                                                 jwmarker[jwmarker_num].parms_ready = OPJ_TRUE; /* not ready */\r
 364                                                 jwmarker[jwmarker_num].data_ready = OPJ_FALSE; /* ready */\r
 365                                                 jwmarker_num++;\r
 366                                         }\r
 367 \r
 368                                         /* update Psot of the tile  */\r
 369                                         cio_seek(cio, Psotp);\r
 370                                         cio_write(cio, Psot + esd_mark->Lesd + 2, 4);\r
 371 \r
 372                                         opj_event_msg(j2k->cinfo, EVT_INFO,\r
 373                                                 /******* "TPH ESDs: tile %02d, method %d\n", */\r
 374                                                 "TPH ESDs: tile %02d, part %02d, method %d\n",\r
 375                                                 /******* tileno, */\r
 376                                                 tileno, tpno,\r
 377                                                 sens\r
 378                                                 );\r
 379 \r
 380                                 } else {\r
 381                                         /* ooops, problems */\r
 382                                         /***** opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH ESD #%d\n", tileno); */\r
 383                                         opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH ESD #%d,%d\n", tileno, tpno);\r
 384                                 };\r
 385 \r
 386                         }\r
 387                         \r
 388                 }\r
 389         \r
 390         };\r
 391 \r
 392         /* \r
 393          EPB MS for Main Header\r
 394         */\r
 395         /* first of all, must MH have an EPB MS? */\r
 396         if (j2k->cp->epb_on && (j2k->cp->hprot_MH > 0)) {\r
 397 \r
 398                 int mm;\r
 399 \r
 400                 /* position of SOT */\r
 401                 unsigned int sot_pos = j2k->cstr_info->main_head_end + 1;\r
 402 \r
 403                 /* how much space is there between end of SIZ and beginning of SOT? */\r
 404                 int left_MHmarks_len = sot_pos - socsiz_len;\r
 405 \r
 406                 /* add all the lengths of the markers which are len-ready and stay within SOC and SOT */\r
 407                 for (mm = 0; mm < jwmarker_num; mm++) {\r
 408                         if ((jwmarker[mm].pos >=0) && (jwmarker[mm].pos < sot_pos)) {\r
 409                                 if (jwmarker[mm].len_ready)\r
 410                                         left_MHmarks_len += jwmarker[mm].len + 2;\r
 411                                 else {\r
 412                                         opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up MH EPB\n",\r
 413                                                 jwmarker[mm].id, jwmarker[mm].dpos);                            \r
 414                                         exit(1);\r
 415                                 }\r
 416                         }\r
 417                 }\r
 418 \r
 419                 /* Create the EPB */\r
 420                 if ((epb_mark = jpwl_epb_create(\r
 421                         j2k, /* this encoder handle */\r
 422                         OPJ_TRUE, /* is it the latest? */\r
 423                         OPJ_TRUE, /* is it packed? not for now */\r
 424                         -1, /* we are in main header */\r
 425                         0, /* its index is 0 (first) */\r
 426                         j2k->cp->hprot_MH, /* protection type parameters of data */\r
 427                         socsiz_len, /* pre-data: only SOC+SIZ */\r
 428                         left_MHmarks_len /* post-data: from SOC to SOT, and all JPWL markers within */\r
 429                         ))) {\r
 430                         \r
 431                         /* Add this marker to the 'insertanda' list */\r
 432                         if (jwmarker_num < JPWL_MAX_NO_MARKERS) {\r
 433                                 jwmarker[jwmarker_num].id = J2K_MS_EPB; /* its type */\r
 434                                 jwmarker[jwmarker_num].m.epbmark = epb_mark; /* the EPB */\r
 435                                 jwmarker[jwmarker_num].pos = soc_pos + socsiz_len; /* after SIZ */\r
 436                                 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos; /* first first first! */\r
 437                                 jwmarker[jwmarker_num].len = epb_mark->Lepb; /* its length */\r
 438                                 jwmarker[jwmarker_num].len_ready = OPJ_TRUE; /* ready */\r
 439                                 jwmarker[jwmarker_num].pos_ready = OPJ_TRUE; /* ready */\r
 440                                 jwmarker[jwmarker_num].parms_ready = OPJ_TRUE; /* ready */\r
 441                                 jwmarker[jwmarker_num].data_ready = OPJ_FALSE; /* not ready */\r
 442                                 jwmarker_num++;\r
 443                         }\r
 444 \r
 445                         opj_event_msg(j2k->cinfo, EVT_INFO,\r
 446                                 "MH  EPB : prot. %d\n",\r
 447                                 j2k->cp->hprot_MH\r
 448                                 );\r
 449 \r
 450                 } else {\r
 451                         /* ooops, problems */\r
 452                         opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH EPB\n");                              \r
 453                 };\r
 454         }\r
 455 \r
 456         /* \r
 457          EPB MSs for Tile Parts\r
 458         */\r
 459         /* cycle through TPHs */\r
 460         hprot = j2k->cp->hprot_MH; /* default spec */\r
 461         tilespec = 0; /* first tile spec */\r
 462         lastileno = 0;\r
 463         packspec = 0;\r
 464         pprot = -1;\r
 465         acc_tpno = 0;\r
 466         for (tileno = 0; tileno < j2k->cstr_info->tw * j2k->cstr_info->th; tileno++) {\r
 467 \r
 468                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
 469                         "Tile %d has %d tile part(s)\n",\r
 470                         tileno, j2k->cstr_info->tile[tileno].num_tps\r
 471                         );\r
 472 \r
 473                 /* for every tile part in the tile */\r
 474                 for (tpno = 0; tpno < j2k->cstr_info->tile[tileno].num_tps; tpno++, acc_tpno++) { \r
 475                 \r
 476                         int sot_len, Psot, Psotp, mm, epb_index = 0, prot_len = 0;\r
 477                         unsigned long sot_pos, post_sod_pos;\r
 478                         unsigned long int left_THmarks_len/*, epbs_len = 0*/;\r
 479                         int startpack = 0, stoppack = j2k->cstr_info->packno;\r
 480                         int first_tp_pack, last_tp_pack;\r
 481                         jpwl_epb_ms_t *tph_epb = NULL;\r
 482 \r
 483                         /****** sot_pos = j2k->cstr_info->tile[tileno].start_pos; */\r
 484                         sot_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos;\r
 485                         cio_seek(cio, sot_pos + 2); \r
 486                         sot_len = cio_read(cio, 2); /* SOT Len */\r
 487                         cio_skip(cio, 2);\r
 488                         Psotp = cio_tell(cio);\r
 489                         Psot = cio_read(cio, 4); /* tile length */\r
 490 \r
 491                         /* a-priori length of the data dwelling between SOT and SOD */\r
 492                         /****** post_sod_pos = j2k->cstr_info->tile[tileno].end_header + 1; */\r
 493                         post_sod_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_end_header + 1;\r
 494                         left_THmarks_len = post_sod_pos - (sot_pos + sot_len + 2);\r
 495 \r
 496                         /* add all the lengths of the JPWL markers which are len-ready and stay within SOT and SOD */\r
 497                         for (mm = 0; mm < jwmarker_num; mm++) {\r
 498                                 if ((jwmarker[mm].pos >= sot_pos) && (jwmarker[mm].pos < post_sod_pos)) {\r
 499                                         if (jwmarker[mm].len_ready)\r
 500                                                 left_THmarks_len += jwmarker[mm].len + 2;\r
 501                                         else {\r
 502                                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up TH EPB\n",\r
 503                                                         jwmarker[mm].id, jwmarker[mm].dpos);                            \r
 504                                                 exit(1);\r
 505                                         }\r
 506                                 }\r
 507                         }\r
 508 \r
 509                         /****** if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->hprot_TPH_tileno[tilespec] == tileno)) */\r
 510                         if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->hprot_TPH_tileno[tilespec] == acc_tpno))\r
 511                                 /* we got a specification from this tile part onwards */\r
 512                                 hprot = j2k->cp->hprot_TPH[tilespec++];\r
 513                 \r
 514                         /* must this TPH have an EPB MS? */\r
 515                         if (j2k->cp->epb_on && (hprot > 0)) {\r
 516 \r
 517                                 /* Create the EPB */\r
 518                                 if ((epb_mark = jpwl_epb_create(\r
 519                                         j2k, /* this encoder handle */\r
 520                                         OPJ_FALSE, /* is it the latest? in TPH, no for now (if huge data size in TPH, we'd need more) */\r
 521                                         OPJ_TRUE, /* is it packed? yes for now */\r
 522                                         tileno, /* we are in TPH */\r
 523                                         epb_index++, /* its index is 0 (first) */\r
 524                                         hprot, /* protection type parameters of following data */\r
 525                                         sot_len + 2, /* pre-data length: only SOT */\r
 526                                         left_THmarks_len /* post-data length: from SOT end to SOD inclusive */\r
 527                                         ))) {\r
 528                                         \r
 529                                         /* Add this marker to the 'insertanda' list */\r
 530                                         if (jwmarker_num < JPWL_MAX_NO_MARKERS) {\r
 531                                                 jwmarker[jwmarker_num].id = J2K_MS_EPB; /* its type */\r
 532                                                 jwmarker[jwmarker_num].m.epbmark = epb_mark; /* the EPB */\r
 533                                                 /****** jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].start_pos + sot_len + 2; */ /* after SOT */\r
 534                                                 jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2; /* after SOT */\r
 535                                                 jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos; /* first first first! */\r
 536                                                 jwmarker[jwmarker_num].len = epb_mark->Lepb; /* its length */\r
 537                                                 jwmarker[jwmarker_num].len_ready = OPJ_TRUE; /* ready */\r
 538                                                 jwmarker[jwmarker_num].pos_ready = OPJ_TRUE; /* ready */\r
 539                                                 jwmarker[jwmarker_num].parms_ready = OPJ_TRUE; /* ready */\r
 540                                                 jwmarker[jwmarker_num].data_ready = OPJ_FALSE; /* not ready */\r
 541                                                 jwmarker_num++;\r
 542                                         }\r
 543 \r
 544                                         /* update Psot of the tile  */\r
 545                                         Psot += epb_mark->Lepb + 2;\r
 546 \r
 547                                         opj_event_msg(j2k->cinfo, EVT_INFO,\r
 548                                                 /***** "TPH EPB : tile %02d, prot. %d\n", */\r
 549                                                 "TPH EPB : tile %02d, part %02d, prot. %d\n",\r
 550                                                 /***** tileno, */\r
 551                                                 tileno, tpno,\r
 552                                                 hprot\r
 553                                                 );\r
 554 \r
 555                                         /* save this TPH EPB address */\r
 556                                         tph_epb = epb_mark;\r
 557 \r
 558                                 } else {\r
 559                                         /* ooops, problems */\r
 560                                         /****** opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH EPB #%d\n", tileno); */\r
 561                                         opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH EPB in #%d,d\n", tileno, tpno);\r
 562                                 };\r
 563 \r
 564                         }                               \r
 565                 \r
 566                         startpack = 0;\r
 567                         /* EPB MSs for UEP packet data protection in Tile Parts */\r
 568                         /****** for (packno = 0; packno < j2k->cstr_info->num; packno++) { */\r
 569                         /*first_tp_pack = (tpno > 0) ? (first_tp_pack + j2k->cstr_info->tile[tileno].tp[tpno - 1].tp_numpacks) : 0;*/\r
 570                         first_tp_pack = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pack;\r
 571                         last_tp_pack = first_tp_pack + j2k->cstr_info->tile[tileno].tp[tpno].tp_numpacks - 1;\r
 572                         for (packno = 0; packno < j2k->cstr_info->tile[tileno].tp[tpno].tp_numpacks; packno++) {\r
 573 \r
 574                                 /******** if ((packspec < JPWL_MAX_NO_PACKSPECS) &&\r
 575                                         (j2k->cp->pprot_tileno[packspec] == tileno) && (j2k->cp->pprot_packno[packspec] == packno)) { */\r
 576                                 if ((packspec < JPWL_MAX_NO_PACKSPECS) &&\r
 577                                         (j2k->cp->pprot_tileno[packspec] == acc_tpno) && (j2k->cp->pprot_packno[packspec] == packno)) {\r
 578 \r
 579                                         /* we got a specification from this tile and packet onwards */\r
 580                                         /* print the previous spec */\r
 581                                         if (packno > 0) {\r
 582                                                 stoppack = packno - 1;                          \r
 583                                                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
 584                                                         /***** "UEP EPBs: tile %02d, packs. %02d-%02d (B %d-%d), prot. %d\n", */\r
 585                                                         "UEP EPBs: tile %02d, part %02d, packs. %02d-%02d (B %d-%d), prot. %d\n",\r
 586                                                         /***** tileno, */\r
 587                                                         tileno, tpno,\r
 588                                                         startpack,\r
 589                                                         stoppack,\r
 590                                                         /***** j2k->cstr_info->tile[tileno].packet[startpack].start_pos, */\r
 591                                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos,\r
 592                                                         /***** j2k->cstr_info->tile[tileno].packet[stoppack].end_pos, */\r
 593                                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos,\r
 594                                                         pprot);\r
 595 \r
 596                                                 /***** prot_len = j2k->cstr_info->tile[tileno].packet[stoppack].end_pos + 1 -\r
 597                                                         j2k->cstr_info->tile[tileno].packet[startpack].start_pos; */\r
 598                                                 prot_len = j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos + 1 -\r
 599                                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos;\r
 600 \r
 601                                                 /*\r
 602                                                   particular case: if this is the last header and the last packet,\r
 603                                                   then it is better to protect even the EOC marker\r
 604                                                 */\r
 605                                                 /****** if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&\r
 606                                                         (stoppack == (j2k->cstr_info->num - 1))) */\r
 607                                                 if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&\r
 608                                                         (tpno == (j2k->cstr_info->tile[tileno].num_tps - 1)) &&\r
 609                                                         (stoppack == last_tp_pack))\r
 610                                                         /* add the EOC len */\r
 611                                                         prot_len += 2;\r
 612 \r
 613                                                 /* let's add the EPBs */\r
 614                                                 Psot += jpwl_epbs_add(\r
 615                                                         j2k, /* J2K handle */\r
 616                                                         jwmarker, /* pointer to JPWL markers list */\r
 617                                                         &jwmarker_num, /* pointer to the number of current markers */\r
 618                                                         OPJ_FALSE, /* latest */\r
 619                                                         OPJ_TRUE, /* packed */\r
 620                                                         OPJ_FALSE, /* inside MH */\r
 621                                                         &epb_index, /* pointer to EPB index */\r
 622                                                         pprot, /* protection type */\r
 623                                                         /****** (double) (j2k->cstr_info->tile[tileno].start_pos + sot_len + 2) + 0.0001, */ /* position */\r
 624                                                         (double) (j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2) + 0.0001, /* position */\r
 625                                                         tileno, /* number of tile */\r
 626                                                         0, /* length of pre-data */\r
 627                                                         prot_len /*4000*/ /* length of post-data */\r
 628                                                         );\r
 629                                         }\r
 630 \r
 631                                         startpack = packno;\r
 632                                         pprot = j2k->cp->pprot[packspec++];\r
 633                                 }\r
 634 \r
 635                                 //printf("Tile %02d, pack %02d ==> %d\n", tileno, packno, pprot);\r
 636                 \r
 637                         }\r
 638 \r
 639                         /* we are at the end: print the remaining spec */\r
 640                         stoppack = packno - 1;\r
 641                         if (pprot >= 0) {\r
 642 \r
 643                                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
 644                                         /**** "UEP EPBs: tile %02d, packs. %02d-%02d (B %d-%d), prot. %d\n", */\r
 645                                         "UEP EPBs: tile %02d, part %02d, packs. %02d-%02d (B %d-%d), prot. %d\n",\r
 646                                         /**** tileno, */\r
 647                                         tileno, tpno,\r
 648                                         startpack,\r
 649                                         stoppack,\r
 650                                         /***** j2k->image_info->tile[tileno].packet[startpack].start_pos,\r
 651                                         j2k->image_info->tile[tileno].packet[stoppack].end_pos, */\r
 652                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos,\r
 653                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos,\r
 654                                         pprot);\r
 655 \r
 656                                 /***** prot_len = j2k->cstr_info->tile[tileno].packet[stoppack].end_pos + 1 -\r
 657                                         j2k->cstr_info->tile[tileno].packet[startpack].start_pos; */\r
 658                                 prot_len = j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos + 1 -\r
 659                                         j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos;\r
 660 \r
 661                                 /*\r
 662                                   particular case: if this is the last header and the last packet,\r
 663                                   then it is better to protect even the EOC marker\r
 664                                 */\r
 665                                 /***** if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&\r
 666                                         (stoppack == (j2k->cstr_info->num - 1))) */\r
 667                                 if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&\r
 668                                         (tpno == (j2k->cstr_info->tile[tileno].num_tps - 1)) &&\r
 669                                         (stoppack == last_tp_pack))\r
 670                                         /* add the EOC len */\r
 671                                         prot_len += 2;\r
 672 \r
 673                                 /* let's add the EPBs */\r
 674                                 Psot += jpwl_epbs_add(\r
 675                                                         j2k, /* J2K handle */\r
 676                                                         jwmarker, /* pointer to JPWL markers list */\r
 677                                                         &jwmarker_num, /* pointer to the number of current markers */\r
 678                                                         OPJ_TRUE, /* latest */\r
 679                                                         OPJ_TRUE, /* packed */\r
 680                                                         OPJ_FALSE, /* inside MH */\r
 681                                                         &epb_index, /* pointer to EPB index */\r
 682                                                         pprot, /* protection type */\r
 683                                                         /***** (double) (j2k->cstr_info->tile[tileno].start_pos + sot_len + 2) + 0.0001,*/ /* position */\r
 684                                                         (double) (j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2) + 0.0001, /* position */\r
 685                                                         tileno, /* number of tile */\r
 686                                                         0, /* length of pre-data */\r
 687                                                         prot_len /*4000*/ /* length of post-data */\r
 688                                                         );\r
 689                         }\r
 690 \r
 691                         /* we can now check if the TPH EPB was really the last one */\r
 692                         if (tph_epb && (epb_index == 1)) {\r
 693                                 /* set the TPH EPB to be the last one in current header */\r
 694                                 tph_epb->Depb |= (unsigned char) ((OPJ_TRUE & 0x0001) << 6);\r
 695                                 tph_epb = NULL;\r
 696                         }\r
 697 \r
 698                         /* write back Psot */\r
 699                         cio_seek(cio, Psotp);\r
 700                         cio_write(cio, Psot, 4);\r
 701                 \r
 702                 }\r
 703 \r
 704         };\r
 705 \r
 706         /* reset the position */\r
 707         cio_seek(cio, ciopos);\r
 708 \r
 709 }\r
 710 \r
 711 void jpwl_dump_marks(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {\r
 712 \r
 713         int mm;\r
 714         unsigned long int old_size = j2k->cstr_info->codestream_size;\r
 715         unsigned long int new_size = old_size;\r
 716         int /*ciopos = cio_tell(cio),*/ soc_pos = j2k->cstr_info->main_head_start;\r
 717         unsigned char *jpwl_buf, *orig_buf;\r
 718         unsigned long int orig_pos;\r
 719         double epbcoding_time = 0.0, esdcoding_time = 0.0;\r
 720 \r
 721         /* Order JPWL markers according to their wishlist position */\r
 722         qsort((void *) jwmarker, (size_t) jwmarker_num, sizeof (jpwl_marker_t), jpwl_markcomp);\r
 723 \r
 724         /* compute markers total size */ \r
 725         for (mm = 0; mm < jwmarker_num; mm++) {\r
 726                 /*printf("%x, %d, %.10f, %d long\n", jwmarker[mm].id, jwmarker[mm].pos,\r
 727                         jwmarker[mm].dpos, jwmarker[mm].len);*/\r
 728                 new_size += jwmarker[mm].len + 2;\r
 729         }\r
 730 \r
 731         /* allocate a new buffer of proper size */\r
 732         if (!(jpwl_buf = (unsigned char *) opj_malloc((size_t) (new_size + soc_pos) * sizeof(unsigned char)))) {\r
 733                 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not allocate room for JPWL codestream buffer\n");\r
 734                 exit(1);\r
 735         };\r
 736 \r
 737         /* copy the jp2 part, if any */\r
 738         orig_buf = jpwl_buf;\r
 739         memcpy(jpwl_buf, cio->buffer, soc_pos);\r
 740         jpwl_buf += soc_pos;\r
 741 \r
 742         /* cycle through markers */\r
 743         orig_pos = soc_pos + 0; /* start from the beginning */\r
 744         cio_seek(cio, soc_pos + 0); /* rewind the original */\r
 745         for (mm = 0; mm < jwmarker_num; mm++) {\r
 746 \r
 747                 /*\r
 748                 need to copy a piece of the original codestream\r
 749                 if there is such\r
 750                 */\r
 751                 memcpy(jpwl_buf, cio_getbp(cio), jwmarker[mm].pos - orig_pos);\r
 752                 jpwl_buf += jwmarker[mm].pos - orig_pos;\r
 753                 orig_pos = jwmarker[mm].pos;\r
 754                 cio_seek(cio, orig_pos);\r
 755 \r
 756                 /*\r
 757                 then write down the marker\r
 758                 */\r
 759                 switch (jwmarker[mm].id) {\r
 760 \r
 761                 case J2K_MS_EPB:\r
 762                         jpwl_epb_write(j2k, jwmarker[mm].m.epbmark, jpwl_buf);\r
 763                         break;\r
 764 \r
 765                 case J2K_MS_EPC:\r
 766                         jpwl_epc_write(j2k, jwmarker[mm].m.epcmark, jpwl_buf);\r
 767                         break;\r
 768 \r
 769                 case J2K_MS_ESD:\r
 770                         jpwl_esd_write(j2k, jwmarker[mm].m.esdmark, jpwl_buf);\r
 771                         break;\r
 772 \r
 773                 case J2K_MS_RED:\r
 774                         memset(jpwl_buf, 0, jwmarker[mm].len + 2); /* placeholder */\r
 775                         break;\r
 776 \r
 777                 default:\r
 778                         break;\r
 779                 };\r
 780 \r
 781                 /* we update the markers struct */\r
 782                 if (j2k->cstr_info)\r
 783                         j2k->cstr_info->marker[j2k->cstr_info->marknum - 1].pos = (jpwl_buf - orig_buf);\r
 784                 \r
 785                 /* we set the marker dpos to the new position in the JPWL codestream */\r
 786                 jwmarker[mm].dpos = (double) (jpwl_buf - orig_buf);\r
 787 \r
 788                 /* advance JPWL buffer position */\r
 789                 jpwl_buf += jwmarker[mm].len + 2;\r
 790 \r
 791         }\r
 792 \r
 793         /* finish remaining original codestream */\r
 794         memcpy(jpwl_buf, cio_getbp(cio), old_size - (orig_pos - soc_pos));\r
 795         jpwl_buf += old_size - (orig_pos - soc_pos);\r
 796         cio_seek(cio, soc_pos + old_size);\r
 797         \r
 798         /*\r
 799         update info file based on added markers\r
 800         */\r
 801         if (!jpwl_update_info(j2k, jwmarker, jwmarker_num))\r
 802                 opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not update OPJ cstr_info structure\n");\r
 803 \r
 804         /* now we need to repass some markers and fill their data fields */\r
 805         \r
 806         /* first of all, DL and Pcrc in EPCs */ \r
 807         for (mm = 0; mm < jwmarker_num; mm++) {\r
 808 \r
 809                 /* find the EPCs */\r
 810                 if (jwmarker[mm].id == J2K_MS_EPC) {\r
 811 \r
 812                         int epc_pos = (int) jwmarker[mm].dpos, pp;\r
 813                         unsigned short int mycrc = 0x0000;\r
 814 \r
 815                         /* fix and fill the DL field */\r
 816                         jwmarker[mm].m.epcmark->DL = new_size;\r
 817                         orig_buf[epc_pos + 6] = (unsigned char) (jwmarker[mm].m.epcmark->DL >> 24);\r
 818                         orig_buf[epc_pos + 7] = (unsigned char) (jwmarker[mm].m.epcmark->DL >> 16);\r
 819                         orig_buf[epc_pos + 8] = (unsigned char) (jwmarker[mm].m.epcmark->DL >> 8);\r
 820                         orig_buf[epc_pos + 9] = (unsigned char) (jwmarker[mm].m.epcmark->DL >> 0);\r
 821 \r
 822                         /* compute the CRC field (excluding itself) */\r
 823                         for (pp = 0; pp < 4; pp++)\r
 824                                 jpwl_updateCRC16(&mycrc, orig_buf[epc_pos + pp]);\r
 825                         for (pp = 6; pp < (jwmarker[mm].len + 2); pp++)\r
 826                                 jpwl_updateCRC16(&mycrc, orig_buf[epc_pos + pp]);\r
 827 \r
 828                         /* fix and fill the CRC */\r
 829                         jwmarker[mm].m.epcmark->Pcrc = mycrc;\r
 830                         orig_buf[epc_pos + 4] = (unsigned char) (jwmarker[mm].m.epcmark->Pcrc >> 8);\r
 831                         orig_buf[epc_pos + 5] = (unsigned char) (jwmarker[mm].m.epcmark->Pcrc >> 0);\r
 832 \r
 833                 }\r
 834         }\r
 835 \r
 836         /* then, sensitivity data in ESDs */ \r
 837         esdcoding_time = opj_clock();\r
 838         for (mm = 0; mm < jwmarker_num; mm++) {\r
 839 \r
 840                 /* find the ESDs */\r
 841                 if (jwmarker[mm].id == J2K_MS_ESD) {\r
 842 \r
 843                         /* remember that they are now in a new position (dpos) */\r
 844                         int esd_pos = (int) jwmarker[mm].dpos;\r
 845 \r
 846                         jpwl_esd_fill(j2k, jwmarker[mm].m.esdmark, &orig_buf[esd_pos]);\r
 847                 \r
 848                 }\r
 849 \r
 850         }\r
 851         esdcoding_time = opj_clock() - esdcoding_time;\r
 852         if (j2k->cp->esd_on)\r
 853                 opj_event_msg(j2k->cinfo, EVT_INFO, "ESDs sensitivities computed in %f s\n", esdcoding_time);\r
 854 \r
 855         /* finally, RS or CRC parity in EPBs */ \r
 856         epbcoding_time = opj_clock();\r
 857         for (mm = 0; mm < jwmarker_num; mm++) {\r
 858 \r
 859                 /* find the EPBs */\r
 860                 if (jwmarker[mm].id == J2K_MS_EPB) {\r
 861 \r
 862                         /* remember that they are now in a new position (dpos) */\r
 863                         int nn, accum_len;\r
 864 \r
 865                         /* let's see how many EPBs are following this one, included itself */\r
 866                         /* for this to work, we suppose that the markers are correctly ordered */\r
 867                         /* and, overall, that they are in packed mode inside headers */\r
 868                         accum_len = 0;\r
 869                         for (nn = mm; (nn < jwmarker_num) && (jwmarker[nn].id == J2K_MS_EPB) &&\r
 870                                 (jwmarker[nn].pos == jwmarker[mm].pos); nn++)\r
 871                                 accum_len += jwmarker[nn].m.epbmark->Lepb + 2;\r
 872 \r
 873                         /* fill the current (first) EPB with post-data starting from the computed position */\r
 874                         jpwl_epb_fill(j2k, jwmarker[mm].m.epbmark, &orig_buf[(int) jwmarker[mm].dpos],\r
 875                                 &orig_buf[(int) jwmarker[mm].dpos + accum_len]);\r
 876                 \r
 877                         /* fill the remaining EPBs in the header with post-data starting from the last position */\r
 878                         for (nn = mm + 1; (nn < jwmarker_num) && (jwmarker[nn].id == J2K_MS_EPB) &&\r
 879                                 (jwmarker[nn].pos == jwmarker[mm].pos); nn++)\r
 880                                 jpwl_epb_fill(j2k, jwmarker[nn].m.epbmark, &orig_buf[(int) jwmarker[nn].dpos], NULL);\r
 881 \r
 882                         /* skip all the processed EPBs */\r
 883                         mm = nn - 1;\r
 884                 }\r
 885 \r
 886         }\r
 887         epbcoding_time = opj_clock() - epbcoding_time;\r
 888         if (j2k->cp->epb_on)\r
 889                 opj_event_msg(j2k->cinfo, EVT_INFO, "EPBs redundancy computed in %f s\n", epbcoding_time);\r
 890 \r
 891         /* free original cio buffer and set it to the JPWL one */\r
 892         opj_free(cio->buffer);\r
 893         cio->cinfo = cio->cinfo; /* no change */\r
 894         cio->openmode = cio->openmode; /* no change */\r
 895         cio->buffer = orig_buf;\r
 896         cio->length = new_size + soc_pos;\r
 897         cio->start = cio->buffer;\r
 898         cio->end = cio->buffer + cio->length;\r
 899         cio->bp = cio->buffer;\r
 900         cio_seek(cio, soc_pos + new_size);\r
 901 \r
 902 }\r
 903 \r
 904 \r
 905 void j2k_read_epc(opj_j2k_t *j2k) {\r
 906         unsigned long int DL, Lepcp, Pcrcp, l;\r
 907         unsigned short int Lepc, Pcrc = 0x0000;\r
 908         unsigned char Pepc;     \r
 909         opj_cio_t *cio = j2k->cio;\r
 910         const char *ans1;\r
 911 \r
 912         /* Simply read the EPC parameters */\r
 913         Lepcp = cio_tell(cio);\r
 914         Lepc = cio_read(cio, 2);\r
 915         Pcrcp = cio_tell(cio);\r
 916         cio_skip(cio, 2); /* Pcrc */\r
 917         DL = cio_read(cio, 4);\r
 918         Pepc = cio_read(cio, 1);\r
 919 \r
 920         /* compute Pcrc */\r
 921         cio_seek(cio, Lepcp - 2);\r
 922 \r
 923                 /* Marker */\r
 924                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 925                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 926 \r
 927                 /* Length */\r
 928                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 929                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 930 \r
 931                 /* skip Pcrc */\r
 932                 cio_skip(cio, 2);\r
 933 \r
 934                 /* read all remaining */\r
 935                 for (l = 4; l < Lepc; l++)\r
 936                         jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 937 \r
 938                 /* check Pcrc with the result */\r
 939                 cio_seek(cio, Pcrcp);\r
 940                 ans1 = (Pcrc == (unsigned short int) cio_read(cio, 2)) ? "crc-ok" : "crc-ko";\r
 941 \r
 942         /* now we write them to screen */\r
 943         opj_event_msg(j2k->cinfo, EVT_INFO, \r
 944                 "EPC(%u,%d): %s, DL=%d%s %s %s\n",\r
 945                 Lepcp - 2,\r
 946                 Lepc,\r
 947                 ans1,\r
 948                 DL, /* data length this EPC is referring to */\r
 949                 (Pepc & 0x10) ? ", esd" : "", /* ESD is present */\r
 950                 (Pepc & 0x20) ? ", red" : "", /* RED is present */\r
 951                 (Pepc & 0x40) ? ", epb" : ""); /* EPB is present */\r
 952 \r
 953         cio_seek(cio, Lepcp + Lepc);  \r
 954 }\r
 955 \r
 956 void j2k_write_epc(opj_j2k_t *j2k) {\r
 957 \r
 958         unsigned long int DL, Lepcp, Pcrcp, l;\r
 959         unsigned short int Lepc, Pcrc;\r
 960         unsigned char Pepc;     \r
 961 \r
 962         opj_cio_t *cio = j2k->cio;\r
 963 \r
 964         cio_write(cio, J2K_MS_EPC, 2);  /* EPC */\r
 965         Lepcp = cio_tell(cio);\r
 966         cio_skip(cio, 2);\r
 967 \r
 968         /* CRC-16 word of the EPC */\r
 969         Pcrc = 0x0000; /* initialize */\r
 970         Pcrcp = cio_tell(cio);\r
 971         cio_write(cio, Pcrc, 2); /* Pcrc placeholder*/\r
 972 \r
 973         /* data length of the EPC protection domain */\r
 974         DL = 0x00000000; /* we leave this set to 0, as if the information is not available */\r
 975         cio_write(cio, DL, 4);   /* DL */\r
 976 \r
 977         /* jpwl capabilities */\r
 978         Pepc = 0x00;\r
 979         cio_write(cio, Pepc, 1); /* Pepc */\r
 980 \r
 981         /* ID section */\r
 982         /* no ID's, as of now */\r
 983 \r
 984         Lepc = (unsigned short) (cio_tell(cio) - Lepcp);\r
 985         cio_seek(cio, Lepcp);\r
 986         cio_write(cio, Lepc, 2); /* Lepc */\r
 987 \r
 988         /* compute Pcrc */\r
 989         cio_seek(cio, Lepcp - 2);\r
 990 \r
 991                 /* Marker */\r
 992                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 993                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 994 \r
 995                 /* Length */\r
 996                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 997                 jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
 998 \r
 999                 /* skip Pcrc */\r
1000                 cio_skip(cio, 2);\r
1001 \r
1002                 /* read all remaining */\r
1003                 for (l = 4; l < Lepc; l++)\r
1004                         jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1)); \r
1005 \r
1006                 /* fill Pcrc with the result */\r
1007                 cio_seek(cio, Pcrcp);\r
1008                 cio_write(cio, Pcrc, 2);\r
1009 \r
1010         cio_seek(cio, Lepcp + Lepc);\r
1011 \r
1012         /* marker struct update */\r
1013         j2k_add_marker(j2k->cstr_info, J2K_MS_EPC, Lepcp - 2, Lepc + 2);\r
1014 \r
1015 }\r
1016 \r
1017 void j2k_read_epb(opj_j2k_t *j2k) {\r
1018         unsigned long int LDPepb, Pepb;\r
1019         unsigned short int Lepb;\r
1020         unsigned char Depb;\r
1021         char str1[25] = "";\r
1022         opj_bool status;\r
1023         static opj_bool first_in_tph = OPJ_TRUE;\r
1024         int type, pre_len, post_len;\r
1025         static unsigned char *redund = NULL;\r
1026         \r
1027         opj_cio_t *cio = j2k->cio;\r
1028 \r
1029         /* B/W = 45, RGB = 51 */\r
1030         /*           SIZ   SIZ_FIELDS     SIZ_COMPS               FOLLOWING_MARKER */\r
1031         int skipnum = 2  +     38     + 3 * j2k->cp->exp_comps  +         2;\r
1032 \r
1033         if (j2k->cp->correct) {\r
1034 \r
1035                 /* go back to EPB marker value */\r
1036                 cio_seek(cio, cio_tell(cio) - 2);\r
1037 \r
1038                 /* we need to understand where we are */\r
1039                 if (j2k->state == J2K_STATE_MH) {\r
1040                         /* we are in MH */\r
1041                         type = 0; /* MH */\r
1042                         pre_len = skipnum; /* SOC+SIZ */\r
1043                         post_len = -1; /* auto */\r
1044 \r
1045                 } else if ((j2k->state == J2K_STATE_TPH) && first_in_tph) {\r
1046                         /* we are in TPH */\r
1047                         type = 1; /* TPH */\r
1048                         pre_len = 12; /* SOC+SIZ */\r
1049                         first_in_tph = OPJ_FALSE;\r
1050                         post_len = -1; /* auto */\r
1051 \r
1052                 } else {\r
1053                         /* we are elsewhere */\r
1054                         type = 2; /* other */\r
1055                         pre_len = 0; /* nada */\r
1056                         post_len = -1; /* auto */\r
1057 \r
1058                 }\r
1059 \r
1060                 /* call EPB corrector */\r
1061                 /*printf("before %x, ", redund);*/\r
1062                 status = jpwl_epb_correct(j2k,      /* J2K decompressor handle */\r
1063                                                                   cio->bp,  /* pointer to EPB in codestream buffer */\r
1064                                                                   type,     /* EPB type: MH */\r
1065                                                                   pre_len,  /* length of pre-data */\r
1066                                                                   post_len, /* length of post-data: -1 means auto */\r
1067                                                                   NULL,     /* do everything auto */\r
1068                                                                   &redund\r
1069                                                                  );\r
1070                 /*printf("after %x\n", redund);*/\r
1071 \r
1072                 /* Read the (possibly corrected) EPB parameters */\r
1073                 cio_skip(cio, 2);\r
1074                 Lepb = cio_read(cio, 2);\r
1075                 Depb = cio_read(cio, 1);\r
1076                 LDPepb = cio_read(cio, 4);\r
1077                 Pepb = cio_read(cio, 4);\r
1078 \r
1079                 if (!status) {\r
1080 \r
1081                         opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL correction could not be performed\n");\r
1082 \r
1083                         /* advance to EPB endpoint */\r
1084                         cio_skip(cio, Lepb + 2);  \r
1085 \r
1086                         return;\r
1087                 }\r
1088 \r
1089                 /* last in current header? */\r
1090                 if (Depb & 0x40) {\r
1091                         redund = NULL; /* reset the pointer to L4 buffer */\r
1092                         first_in_tph = OPJ_TRUE;\r
1093                 }\r
1094 \r
1095                 /* advance to EPB endpoint */\r
1096                 cio_skip(cio, Lepb - 11);  \r
1097 \r
1098         } else {\r
1099 \r
1100                 /* Simply read the EPB parameters */\r
1101                 Lepb = cio_read(cio, 2);\r
1102                 Depb = cio_read(cio, 1);\r
1103                 LDPepb = cio_read(cio, 4);\r
1104                 Pepb = cio_read(cio, 4);\r
1105 \r
1106                 /* What does Pepb tells us about the protection method? */\r
1107                 if (((Pepb & 0xF0000000) >> 28) == 0)\r
1108                         sprintf(str1, "pred"); /* predefined */\r
1109                 else if (((Pepb & 0xF0000000) >> 28) == 1)\r
1110                         sprintf(str1, "crc-%lu", 16 * ((Pepb & 0x00000001) + 1)); /* CRC mode */\r
1111                 else if (((Pepb & 0xF0000000) >> 28) == 2)\r
1112                         sprintf(str1, "rs(%lu,32)", (Pepb & 0x0000FF00) >> 8); /* RS mode */\r
1113                 else if (Pepb == 0xFFFFFFFF)\r
1114                         sprintf(str1, "nometh"); /* RS mode */\r
1115                 else\r
1116                         sprintf(str1, "unknown"); /* unknown */\r
1117 \r
1118                 /* Now we write them to screen */\r
1119                 opj_event_msg(j2k->cinfo, EVT_INFO,\r
1120                         "EPB(%d): (%sl, %sp, %u), %lu, %s\n",\r
1121                         cio_tell(cio) - 13,\r
1122                         (Depb & 0x40) ? "" : "n", /* latest EPB or not? */\r
1123                         (Depb & 0x80) ? "" : "n", /* packed or unpacked EPB? */\r
1124                         (Depb & 0x3F), /* EPB index value */\r
1125                         LDPepb, /*length of the data protected by the EPB */\r
1126                         str1); /* protection method */\r
1127 \r
1128                 cio_skip(cio, Lepb - 11);  \r
1129         }\r
1130 }\r
1131 \r
1132 void j2k_write_epb(opj_j2k_t *j2k) {\r
1133         unsigned long int LDPepb, Pepb, Lepbp;\r
1134         unsigned short int Lepb;\r
1135         unsigned char Depb;\r
1136 \r
1137         opj_cio_t *cio = j2k->cio;\r
1138 \r
1139         cio_write(cio, J2K_MS_EPB, 2);  /* EPB */\r
1140         Lepbp = cio_tell(cio);\r
1141         cio_skip(cio, 2);\r
1142 \r
1143         /* EPB style */\r
1144         Depb = 0x00; /* test */\r
1145         cio_write(cio, Depb, 1);   /* Depb */\r
1146 \r
1147         /* length of the data to be protected by this EPB */\r
1148         LDPepb = 0x00000000; /* test */\r
1149         cio_write(cio, LDPepb, 4);   /* LDPepb */\r
1150 \r
1151         /* next error correction tool */\r
1152         Pepb = 0x00000000; /* test */\r
1153         cio_write(cio, Pepb, 4);   /* Pepb */\r
1154 \r
1155         /* EPB data */\r
1156         /* no data, as of now */\r
1157 \r
1158         Lepb = (unsigned short) (cio_tell(cio) - Lepbp);\r
1159         cio_seek(cio, Lepbp);\r
1160         cio_write(cio, Lepb, 2);                /* Lepb */\r
1161 \r
1162         cio_seek(cio, Lepbp + Lepb);\r
1163 \r
1164         /* marker struct update */\r
1165         j2k_add_marker(j2k->cstr_info, J2K_MS_EPB, Lepbp - 2, Lepb + 2);\r
1166 }\r
1167 \r
1168 void j2k_read_esd(opj_j2k_t *j2k) {\r
1169         unsigned short int Lesd, Cesd;\r
1170         unsigned char Pesd;\r
1171 \r
1172         int cesdsize = (j2k->image->numcomps >= 257) ? 2 : 1;\r
1173 \r
1174         char str1[4][4] = {"p", "br", "pr", "res"};\r
1175         char str2[8][8] = {"res", "mse", "mse-r", "psnr", "psnr-i", "maxerr", "tse", "res"};\r
1176         \r
1177         opj_cio_t *cio = j2k->cio;\r
1178 \r
1179         /* Simply read the ESD parameters */\r
1180         Lesd = cio_read(cio, 2);\r
1181         Cesd = cio_read(cio, cesdsize);\r
1182         Pesd = cio_read(cio, 1);\r
1183 \r
1184         /* Now we write them to screen */\r
1185         opj_event_msg(j2k->cinfo, EVT_INFO,\r
1186                 "ESD(%d): c%d, %s, %s, %s, %s, %s\n",\r
1187                 cio_tell(cio) - (5 + cesdsize),\r
1188                 Cesd, /* component number for this ESD */\r
1189                 str1[(Pesd & (unsigned char) 0xC0) >> 6], /* addressing mode */\r
1190                 str2[(Pesd & (unsigned char) 0x38) >> 3], /* sensitivity type */\r
1191                 ((Pesd & (unsigned char) 0x04) >> 2) ? "2Bs" : "1Bs",\r
1192                 ((Pesd & (unsigned char) 0x02) >> 1) ? "4Ba" : "2Ba",\r
1193                 (Pesd & (unsigned char) 0x01) ? "avgc" : "");\r
1194 \r
1195         cio_skip(cio, Lesd - (3 + cesdsize));  \r
1196 }\r
1197 \r
1198 void j2k_read_red(opj_j2k_t *j2k) {\r
1199         unsigned short int Lred;\r
1200         unsigned char Pred;\r
1201         char str1[4][4] = {"p", "br", "pr", "res"};\r
1202         \r
1203         opj_cio_t *cio = j2k->cio;\r
1204 \r
1205         /* Simply read the RED parameters */\r
1206         Lred = cio_read(cio, 2);\r
1207         Pred = cio_read(cio, 1);\r
1208 \r
1209         /* Now we write them to screen */\r
1210         opj_event_msg(j2k->cinfo, EVT_INFO,\r
1211                 "RED(%d): %s, %dc, %s, %s\n",\r
1212                 cio_tell(cio) - 5,\r
1213                 str1[(Pred & (unsigned char) 0xC0) >> 6], /* addressing mode */\r
1214                 (Pred & (unsigned char) 0x38) >> 3, /* corruption level */\r
1215                 ((Pred & (unsigned char) 0x02) >> 1) ? "4Ba" : "2Ba", /* address range */\r
1216                 (Pred & (unsigned char) 0x01) ? "errs" : "free"); /* error free? */\r
1217 \r
1218         cio_skip(cio, Lred - 3);  \r
1219 }\r
1220 \r
1221 opj_bool jpwl_check_tile(opj_j2k_t *j2k, opj_tcd_t *tcd, int tileno) {\r
1222 \r
1223 #ifdef oerhgierhgvhreit4u\r
1224         /*\r
1225            we navigate through the tile and find possible invalid parameters:\r
1226        this saves a lot of crashes!!!!!\r
1227          */\r
1228         int compno, resno, precno, /*layno,*/ bandno, blockno;\r
1229         int numprecincts, numblocks;\r
1230 \r
1231         /* this is the selected tile */\r
1232         opj_tcd_tile_t *tile = &(tcd->tcd_image->tiles[tileno]);\r
1233 \r
1234         /* will keep the component */\r
1235         opj_tcd_tilecomp_t *comp = NULL;\r
1236 \r
1237         /* will keep the resolution */\r
1238         opj_tcd_resolution_t *res;\r
1239 \r
1240         /* will keep the subband */\r
1241         opj_tcd_band_t *band; \r
1242 \r
1243         /* will keep the precinct */\r
1244         opj_tcd_precinct_t *prec; \r
1245 \r
1246         /* will keep the codeblock */\r
1247         opj_tcd_cblk_t *block;\r
1248 \r
1249         /* check all tile components */\r
1250         for (compno = 0; compno < tile->numcomps; compno++) {\r
1251                 comp = &(tile->comps[compno]);\r
1252 \r
1253                 /* check all component resolutions */\r
1254                 for (resno = 0; resno < comp->numresolutions; resno++) {\r
1255                         res = &(comp->resolutions[resno]);\r
1256                         numprecincts = res->pw * res->ph;\r
1257 \r
1258                         /* check all the subbands */\r
1259                         for (bandno = 0; bandno < res->numbands; bandno++) {\r
1260                                 band = &(res->bands[bandno]);\r
1261 \r
1262                                 /* check all the precincts */\r
1263                                 for (precno = 0; precno < numprecincts; precno++) {\r
1264                                         prec = &(band->precincts[precno]);\r
1265                                         numblocks = prec->ch * prec->cw;\r
1266 \r
1267                                         /* check all the codeblocks */\r
1268                                         for (blockno = 0; blockno < numblocks; blockno++) {\r
1269                                                 block = &(prec->cblks[blockno]);\r
1270 \r
1271                                                 /* x-origin is invalid */\r
1272                                                 if ((block->x0 < prec->x0) || (block->x0 > prec->x1)) {\r
1273                                                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,\r
1274                                                                 "JPWL: wrong x-cord of block origin %d => x-prec is (%d, %d)\n",\r
1275                                                                 block->x0, prec->x0, prec->x1);\r
1276                                                         if (!JPWL_ASSUME || JPWL_ASSUME)\r
1277                                                                 return OPJ_FALSE;\r
1278                                                 };\r
1279                                         }\r
1280                                 }                               \r
1281                         }\r
1282                 }\r
1283         }\r
1284 \r
1285 #endif\r
1286 \r
1287         return OPJ_TRUE;\r
1288 }\r
1289 \r
1290 /*@}*/\r
1291 \r
1292 #endif /* USE_JPWL */\r
1293 \r
1294 \r
1295 #ifdef USE_JPSEC\r
1296 \r
1297 /** @defgroup JPSEC JPSEC - JPEG-2000 Part 8 (JPSEC) codestream manager */\r
1298 /*@{*/\r
1299 \r
1300 \r
1301 /** @name Local static functions */\r
1302 /*@{*/\r
1303 \r
1304 void j2k_read_sec(opj_j2k_t *j2k) {\r
1305         unsigned short int Lsec;\r
1306         \r
1307         opj_cio_t *cio = j2k->cio;\r
1308 \r
1309         /* Simply read the SEC length */\r
1310         Lsec = cio_read(cio, 2);\r
1311 \r
1312         /* Now we write them to screen */\r
1313         opj_event_msg(j2k->cinfo, EVT_INFO,\r
1314                 "SEC(%d)\n",\r
1315                 cio_tell(cio) - 2\r
1316                 );\r
1317 \r
1318         cio_skip(cio, Lsec - 2);  \r
1319 }\r
1320 \r
1321 void j2k_write_sec(opj_j2k_t *j2k) {\r
1322         unsigned short int Lsec = 24;\r
1323         int i;\r
1324 \r
1325         opj_cio_t *cio = j2k->cio;\r
1326 \r
1327         cio_write(cio, J2K_MS_SEC, 2);  /* SEC */\r
1328         cio_write(cio, Lsec, 2);\r
1329 \r
1330         /* write dummy data */\r
1331         for (i = 0; i < Lsec - 2; i++)\r
1332                 cio_write(cio, 0, 1);\r
1333 }\r
1334 \r
1335 void j2k_read_insec(opj_j2k_t *j2k) {\r
1336         unsigned short int Linsec;\r
1337         \r
1338         opj_cio_t *cio = j2k->cio;\r
1339 \r
1340         /* Simply read the INSEC length */\r
1341         Linsec = cio_read(cio, 2);\r
1342 \r
1343         /* Now we write them to screen */\r
1344         opj_event_msg(j2k->cinfo, EVT_INFO,\r
1345                 "INSEC(%d)\n",\r
1346                 cio_tell(cio) - 2\r
1347                 );\r
1348 \r
1349         cio_skip(cio, Linsec - 2);  \r
1350 }\r
1351 \r
1352 \r
1353 /*@}*/\r
1354 \r
1355 /*@}*/\r
1356 \r
1357 #endif /* USE_JPSEC */\r
1358 \r