libopenjpeg/j2k.c

   1 /*
   2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
   3  * Copyright (c) 2002-2007, Professor Benoit Macq
   4  * Copyright (c) 2001-2003, David Janssens
   5  * Copyright (c) 2002-2003, Yannick Verschueren
   6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
   7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
   8  * Copyright (c) 2006-2007, Parvatha Elangovan
   9  * Copyright (c) 2010-2011, Kaori Hagihara
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include "opj_includes.h"
  35
  36 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
  37 /*@{*/
  38
  39 /** @name Local static functions */
  40 /*@{*/
  41
  42 /**
  43 Write the SOC marker (Start Of Codestream)
  44 @param j2k J2K handle
  45 */
  46 static void j2k_write_soc(opj_j2k_t *j2k);
  47 /**
  48 Read the SOC marker (Start of Codestream)
  49 @param j2k J2K handle
  50 */
  51 static void j2k_read_soc(opj_j2k_t *j2k);
  52 /**
  53 Write the SIZ marker (image and tile size)
  54 @param j2k J2K handle
  55 */
  56 static void j2k_write_siz(opj_j2k_t *j2k);
  57 /**
  58 Read the SIZ marker (image and tile size)
  59 @param j2k J2K handle
  60 */
  61 static void j2k_read_siz(opj_j2k_t *j2k);
  62 /**
  63 Write the COM marker (comment)
  64 @param j2k J2K handle
  65 */
  66 static void j2k_write_com(opj_j2k_t *j2k);
  67 /**
  68 Read the COM marker (comment)
  69 @param j2k J2K handle
  70 */
  71 static void j2k_read_com(opj_j2k_t *j2k);
  72 /**
  73 Write the value concerning the specified component in the marker COD and COC
  74 @param j2k J2K handle
  75 @param compno Number of the component concerned by the information written
  76 */
  77 static void j2k_write_cox(opj_j2k_t *j2k, int compno);
  78 /**
  79 Read the value concerning the specified component in the marker COD and COC
  80 @param j2k J2K handle
  81 @param compno Number of the component concerned by the information read
  82 */
  83 static void j2k_read_cox(opj_j2k_t *j2k, int compno);
  84 /**
  85 Write the COD marker (coding style default)
  86 @param j2k J2K handle
  87 */
  88 static void j2k_write_cod(opj_j2k_t *j2k);
  89 /**
  90 Read the COD marker (coding style default)
  91 @param j2k J2K handle
  92 */
  93 static void j2k_read_cod(opj_j2k_t *j2k);
  94 /**
  95 Write the COC marker (coding style component)
  96 @param j2k J2K handle
  97 @param compno Number of the component concerned by the information written
  98 */
  99 static void j2k_write_coc(opj_j2k_t *j2k, int compno);
 100 /**
 101 Read the COC marker (coding style component)
 102 @param j2k J2K handle
 103 */
 104 static void j2k_read_coc(opj_j2k_t *j2k);
 105 /**
 106 Write the value concerning the specified component in the marker QCD and QCC
 107 @param j2k J2K handle
 108 @param compno Number of the component concerned by the information written
 109 */
 110 static void j2k_write_qcx(opj_j2k_t *j2k, int compno);
 111 /**
 112 Read the value concerning the specified component in the marker QCD and QCC
 113 @param j2k J2K handle
 114 @param compno Number of the component concern by the information read
 115 @param len Length of the information in the QCX part of the marker QCD/QCC
 116 */
 117 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len);
 118 /**
 119 Write the QCD marker (quantization default)
 120 @param j2k J2K handle
 121 */
 122 static void j2k_write_qcd(opj_j2k_t *j2k);
 123 /**
 124 Read the QCD marker (quantization default)
 125 @param j2k J2K handle
 126 */
 127 static void j2k_read_qcd(opj_j2k_t *j2k);
 128 /**
 129 Write the QCC marker (quantization component)
 130 @param j2k J2K handle
 131 @param compno Number of the component concerned by the information written
 132 */
 133 static void j2k_write_qcc(opj_j2k_t *j2k, int compno);
 134 /**
 135 Read the QCC marker (quantization component)
 136 @param j2k J2K handle
 137 */
 138 static void j2k_read_qcc(opj_j2k_t *j2k);
 139 /**
 140 Write the POC marker (progression order change)
 141 @param j2k J2K handle
 142 */
 143 static void j2k_write_poc(opj_j2k_t *j2k);
 144 /**
 145 Read the POC marker (progression order change)
 146 @param j2k J2K handle
 147 */
 148 static void j2k_read_poc(opj_j2k_t *j2k);
 149 /**
 150 Read the CRG marker (component registration)
 151 @param j2k J2K handle
 152 */
 153 static void j2k_read_crg(opj_j2k_t *j2k);
 154 /**
 155 Read the TLM marker (tile-part lengths)
 156 @param j2k J2K handle
 157 */
 158 static void j2k_read_tlm(opj_j2k_t *j2k);
 159 /**
 160 Read the PLM marker (packet length, main header)
 161 @param j2k J2K handle
 162 */
 163 static void j2k_read_plm(opj_j2k_t *j2k);
 164 /**
 165 Read the PLT marker (packet length, tile-part header)
 166 @param j2k J2K handle
 167 */
 168 static void j2k_read_plt(opj_j2k_t *j2k);
 169 /**
 170 Read the PPM marker (packet packet headers, main header)
 171 @param j2k J2K handle
 172 */
 173 static void j2k_read_ppm(opj_j2k_t *j2k);
 174 /**
 175 Read the PPT marker (packet packet headers, tile-part header)
 176 @param j2k J2K handle
 177 */
 178 static void j2k_read_ppt(opj_j2k_t *j2k);
 179 /**
 180 Write the TLM marker (Mainheader)
 181 @param j2k J2K handle
 182 */
 183 static void j2k_write_tlm(opj_j2k_t *j2k);
 184 /**
 185 Write the SOT marker (start of tile-part)
 186 @param j2k J2K handle
 187 */
 188 static void j2k_write_sot(opj_j2k_t *j2k);
 189 /**
 190 Read the SOT marker (start of tile-part)
 191 @param j2k J2K handle
 192 */
 193 static void j2k_read_sot(opj_j2k_t *j2k);
 194 /**
 195 Write the SOD marker (start of data)
 196 @param j2k J2K handle
 197 @param tile_coder Pointer to a TCD handle
 198 */
 199 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder);
 200 /**
 201 Read the SOD marker (start of data)
 202 @param j2k J2K handle
 203 */
 204 static void j2k_read_sod(opj_j2k_t *j2k);
 205 /**
 206 Write the RGN marker (region-of-interest)
 207 @param j2k J2K handle
 208 @param compno Number of the component concerned by the information written
 209 @param tileno Number of the tile concerned by the information written
 210 */
 211 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno);
 212 /**
 213 Read the RGN marker (region-of-interest)
 214 @param j2k J2K handle
 215 */
 216 static void j2k_read_rgn(opj_j2k_t *j2k);
 217 /**
 218 Write the EOC marker (end of codestream)
 219 @param j2k J2K handle
 220 */
 221 static void j2k_write_eoc(opj_j2k_t *j2k);
 222 /**
 223 Read the EOC marker (end of codestream)
 224 @param j2k J2K handle
 225 */
 226 static void j2k_read_eoc(opj_j2k_t *j2k);
 227 /**
 228 Read an unknown marker
 229 @param j2k J2K handle
 230 */
 231 static void j2k_read_unk(opj_j2k_t *j2k);
 232 /**
 233 Add main header marker information
 234 @param cstr_info Codestream information structure
 235 @param type marker type
 236 @param pos byte offset of marker segment
 237 @param len length of marker segment
 238  */
 239 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len);
 240 /**
 241 Add tile header marker information
 242 @param tileno tile index number
 243 @param cstr_info Codestream information structure
 244 @param type marker type
 245 @param pos byte offset of marker segment
 246 @param len length of marker segment
 247  */
 248 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len);
 249
 250 /*@}*/
 251
 252 /*@}*/
 253
 254 /* ----------------------------------------------------------------------- */
 255 typedef struct j2k_prog_order{
 256         OPJ_PROG_ORDER enum_prog;
 257         char str_prog[5];
 258 }j2k_prog_order_t;
 259
 260 j2k_prog_order_t j2k_prog_order_list[] = {
 261         {CPRL, "CPRL"},
 262         {LRCP, "LRCP"},
 263         {PCRL, "PCRL"},
 264         {RLCP, "RLCP"},
 265         {RPCL, "RPCL"},
 266         {(OPJ_PROG_ORDER)-1, ""}
 267 };
 268
 269 char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){
 270         j2k_prog_order_t *po;
 271         for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
 272                 if(po->enum_prog == prg_order){
 273                         break;
 274                 }
 275         }
 276         return po->str_prog;
 277 }
 278
 279 /* ----------------------------------------------------------------------- */
 280 static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
 281         char *prog;
 282         int i;
 283         int tpnum=1,tpend=0;
 284         opj_tcp_t *tcp = &cp->tcps[tileno];
 285         prog = j2k_convert_progression_order(tcp->prg);
 286
 287         if(cp->tp_on == 1){
 288                 for(i=0;i<4;i++){
 289                         if(tpend!=1){
 290                                 if( cp->tp_flag == prog[i] ){
 291                                         tpend=1;cp->tp_pos=i;
 292                                 }
 293                                 switch(prog[i]){
 294                                 case 'C':
 295                                         tpnum= tpnum * tcp->pocs[pino].compE;
 296                                         break;
 297                                 case 'R':
 298                                         tpnum= tpnum * tcp->pocs[pino].resE;
 299                                         break;
 300                                 case 'P':
 301                                         tpnum= tpnum * tcp->pocs[pino].prcE;
 302                                         break;
 303                                 case 'L':
 304                                         tpnum= tpnum * tcp->pocs[pino].layE;
 305                                         break;
 306                                 }
 307                         }
 308                 }
 309         }else{
 310                 tpnum=1;
 311         }
 312         return tpnum;
 313 }
 314
 315 /**     mem allocation for TLM marker*/
 316 int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k ){
 317         int pino,tileno,totnum_tp=0;
 318
 319         OPJ_ARG_NOT_USED(img_numcomp);
 320
 321         j2k->cur_totnum_tp = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
 322         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
 323                 int cur_totnum_tp = 0;
 324                 opj_tcp_t *tcp = &cp->tcps[tileno];
 325                 for(pino = 0; pino <= tcp->numpocs; pino++) {
 326                         int tp_num=0;
 327                         opj_pi_iterator_t *pi = pi_initialise_encode(image, cp, tileno,FINAL_PASS);
 328                         if(!pi) { return -1;}
 329                         tp_num = j2k_get_num_tp(cp,pino,tileno);
 330                         totnum_tp = totnum_tp + tp_num;
 331                         cur_totnum_tp = cur_totnum_tp + tp_num;
 332                         pi_destroy(pi, cp, tileno);
 333                 }
 334                 j2k->cur_totnum_tp[tileno] = cur_totnum_tp;
 335                 /* INDEX >> */
 336                 if (j2k->cstr_info) {
 337                         j2k->cstr_info->tile[tileno].num_tps = cur_totnum_tp;
 338                         j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
 339                 }
 340                 /* << INDEX */
 341         }
 342         return totnum_tp;
 343 }
 344
 345 static void j2k_write_soc(opj_j2k_t *j2k) {
 346         opj_cio_t *cio = j2k->cio;
 347         cio_write(cio, J2K_MS_SOC, 2);
 348
 349         if(j2k->cstr_info)
 350           j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio), 0);
 351
 352 /* UniPG>> */
 353 #ifdef USE_JPWL
 354
 355         /* update markers struct */
 356         j2k_add_marker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio) - 2, 2);
 357 #endif /* USE_JPWL */
 358 /* <<UniPG */
 359 }
 360
 361 static void j2k_read_soc(opj_j2k_t *j2k) {
 362         j2k->state = J2K_STATE_MHSIZ;
 363         /* Index */
 364         if (j2k->cstr_info) {
 365                 j2k->cstr_info->main_head_start = cio_tell(j2k->cio) - 2;
 366                 j2k->cstr_info->codestream_size = cio_numbytesleft(j2k->cio) + 2 - j2k->cstr_info->main_head_start;
 367         }
 368 }
 369
 370 static void j2k_write_siz(opj_j2k_t *j2k) {
 371         int i;
 372         int lenp, len;
 373
 374         opj_cio_t *cio = j2k->cio;
 375         opj_image_t *image = j2k->image;
 376         opj_cp_t *cp = j2k->cp;
 377
 378         cio_write(cio, J2K_MS_SIZ, 2);  /* SIZ */
 379         lenp = cio_tell(cio);
 380         cio_skip(cio, 2);
 381         cio_write(cio, cp->rsiz, 2);                    /* Rsiz (capabilities) */
 382         cio_write(cio, image->x1, 4);   /* Xsiz */
 383         cio_write(cio, image->y1, 4);   /* Ysiz */
 384         cio_write(cio, image->x0, 4);   /* X0siz */
 385         cio_write(cio, image->y0, 4);   /* Y0siz */
 386         cio_write(cio, cp->tdx, 4);             /* XTsiz */
 387         cio_write(cio, cp->tdy, 4);             /* YTsiz */
 388         cio_write(cio, cp->tx0, 4);             /* XT0siz */
 389         cio_write(cio, cp->ty0, 4);             /* YT0siz */
 390         cio_write(cio, image->numcomps, 2);     /* Csiz */
 391         for (i = 0; i < image->numcomps; i++) {
 392                 cio_write(cio, image->comps[i].prec - 1 + (image->comps[i].sgnd << 7), 1);      /* Ssiz_i */
 393                 cio_write(cio, image->comps[i].dx, 1);  /* XRsiz_i */
 394                 cio_write(cio, image->comps[i].dy, 1);  /* YRsiz_i */
 395         }
 396         len = cio_tell(cio) - lenp;
 397         cio_seek(cio, lenp);
 398         cio_write(cio, len, 2);         /* Lsiz */
 399         cio_seek(cio, lenp + len);
 400
 401         if(j2k->cstr_info)
 402           j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SIZ, lenp, len);
 403 }
 404
 405 static void j2k_read_siz(opj_j2k_t *j2k) {
 406         int len, i;
 407
 408         opj_cio_t *cio = j2k->cio;
 409         opj_image_t *image = j2k->image;
 410         opj_cp_t *cp = j2k->cp;
 411
 412         len = cio_read(cio, 2);                 /* Lsiz */
 413         cio_read(cio, 2);                               /* Rsiz (capabilities) */
 414         image->x1 = cio_read(cio, 4);   /* Xsiz */
 415         image->y1 = cio_read(cio, 4);   /* Ysiz */
 416         image->x0 = cio_read(cio, 4);   /* X0siz */
 417         image->y0 = cio_read(cio, 4);   /* Y0siz */
 418         cp->tdx = cio_read(cio, 4);             /* XTsiz */
 419         cp->tdy = cio_read(cio, 4);             /* YTsiz */
 420         cp->tx0 = cio_read(cio, 4);             /* XT0siz */
 421         cp->ty0 = cio_read(cio, 4);             /* YT0siz */
 422
 423         if ((image->x0<0)||(image->x1<0)||(image->y0<0)||(image->y1<0)) {
 424                 opj_event_msg(j2k->cinfo, EVT_ERROR,
 425                                                                         "%s: invalid image size (x0:%d, x1:%d, y0:%d, y1:%d)\n",
 426                                                                         image->x0,image->x1,image->y0,image->y1);
 427                 return;
 428         }
 429
 430         image->numcomps = cio_read(cio, 2);     /* Csiz */
 431
 432 #ifdef USE_JPWL
 433         if (j2k->cp->correct) {
 434                 /* if JPWL is on, we check whether TX errors have damaged
 435                   too much the SIZ parameters */
 436                 if (!(image->x1 * image->y1)) {
 437                         opj_event_msg(j2k->cinfo, EVT_ERROR,
 438                                 "JPWL: bad image size (%d x %d)\n",
 439                                 image->x1, image->y1);
 440                         if (!JPWL_ASSUME || JPWL_ASSUME) {
 441                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 442                                 return;
 443                         }
 444                 }
 445                 if (image->numcomps != ((len - 38) / 3)) {
 446                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
 447                                 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
 448                                 image->numcomps, ((len - 38) / 3));
 449                         if (!JPWL_ASSUME) {
 450                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 451                                 return;
 452                         }
 453                         /* we try to correct */
 454                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
 455                         if (image->numcomps < ((len - 38) / 3)) {
 456                                 len = 38 + 3 * image->numcomps;
 457                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
 458                                         len);
 459                         } else {
 460                                 image->numcomps = ((len - 38) / 3);
 461                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
 462                                         image->numcomps);
 463                         }
 464                 }
 465
 466                 /* update components number in the jpwl_exp_comps filed */
 467                 cp->exp_comps = image->numcomps;
 468         }
 469 #endif /* USE_JPWL */
 470
 471         image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
 472         for (i = 0; i < image->numcomps; i++) {
 473                 int tmp, w, h;
 474                 tmp = cio_read(cio, 1);         /* Ssiz_i */
 475                 image->comps[i].prec = (tmp & 0x7f) + 1;
 476                 image->comps[i].sgnd = tmp >> 7;
 477                 image->comps[i].dx = cio_read(cio, 1);  /* XRsiz_i */
 478                 image->comps[i].dy = cio_read(cio, 1);  /* YRsiz_i */
 479
 480 #ifdef USE_JPWL
 481                 if (j2k->cp->correct) {
 482                 /* if JPWL is on, we check whether TX errors have damaged
 483                         too much the SIZ parameters, again */
 484                         if (!(image->comps[i].dx * image->comps[i].dy)) {
 485                                 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
 486                                         "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
 487                                         i, i, image->comps[i].dx, image->comps[i].dy);
 488                                 if (!JPWL_ASSUME) {
 489                                         opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 490                                         return;
 491                                 }
 492                                 /* we try to correct */
 493                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
 494                                 if (!image->comps[i].dx) {
 495                                         image->comps[i].dx = 1;
 496                                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
 497                                                 i, image->comps[i].dx);
 498                                 }
 499                                 if (!image->comps[i].dy) {
 500                                         image->comps[i].dy = 1;
 501                                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
 502                                                 i, image->comps[i].dy);
 503                                 }
 504                         }
 505
 506                 }
 507 #endif /* USE_JPWL */
 508
 509                 /* TODO: unused ? */
 510                 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
 511                 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
 512
 513                 image->comps[i].resno_decoded = 0;      /* number of resolution decoded */
 514                 image->comps[i].factor = cp->reduce; /* reducing factor per component */
 515         }
 516
 517         cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
 518         cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
 519
 520 #ifdef USE_JPWL
 521         if (j2k->cp->correct) {
 522                 /* if JPWL is on, we check whether TX errors have damaged
 523                   too much the SIZ parameters */
 524                 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
 525                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
 526                                 "JPWL: bad number of tiles (%d x %d)\n",
 527                                 cp->tw, cp->th);
 528                         if (!JPWL_ASSUME) {
 529                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 530                                 return;
 531                         }
 532                         /* we try to correct */
 533                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
 534                         if (cp->tw < 1) {
 535                                 cp->tw= 1;
 536                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
 537                                         cp->tw);
 538                         }
 539                         if (cp->tw > cp->max_tiles) {
 540                                 cp->tw= 1;
 541                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
 542                                         "- setting %d tiles in x => HYPOTHESIS!!!\n",
 543                                         cp->max_tiles, cp->tw);
 544                         }
 545                         if (cp->th < 1) {
 546                                 cp->th= 1;
 547                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
 548                                         cp->th);
 549                         }
 550                         if (cp->th > cp->max_tiles) {
 551                                 cp->th= 1;
 552                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
 553                                         "- setting %d tiles in y => HYPOTHESIS!!!\n",
 554                                         cp->max_tiles, cp->th);
 555                         }
 556                 }
 557         }
 558 #endif /* USE_JPWL */
 559
 560         cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
 561         cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
 562         cp->tileno_size = 0;
 563
 564 #ifdef USE_JPWL
 565         if (j2k->cp->correct) {
 566                 if (!cp->tcps) {
 567                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
 568                                 "JPWL: could not alloc tcps field of cp\n");
 569                         if (!JPWL_ASSUME || JPWL_ASSUME) {
 570                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 571                                 return;
 572                         }
 573                 }
 574         }
 575 #endif /* USE_JPWL */
 576
 577         for (i = 0; i < cp->tw * cp->th; i++) {
 578                 cp->tcps[i].POC = 0;
 579                 cp->tcps[i].numpocs = 0;
 580                 cp->tcps[i].first = 1;
 581         }
 582
 583         /* Initialization for PPM marker */
 584         cp->ppm = 0;
 585         cp->ppm_data = NULL;
 586         cp->ppm_data_first = NULL;
 587         cp->ppm_previous = 0;
 588         cp->ppm_store = 0;
 589
 590         j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
 591         for (i = 0; i < cp->tw * cp->th; i++) {
 592                 cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
 593         }
 594         j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
 595         j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
 596         j2k->state = J2K_STATE_MH;
 597
 598         /* Index */
 599         if (j2k->cstr_info) {
 600                 opj_codestream_info_t *cstr_info = j2k->cstr_info;
 601                 cstr_info->image_w = image->x1 - image->x0;
 602                 cstr_info->image_h = image->y1 - image->y0;
 603                 cstr_info->numcomps = image->numcomps;
 604                 cstr_info->tw = cp->tw;
 605                 cstr_info->th = cp->th;
 606                 cstr_info->tile_x = cp->tdx;
 607                 cstr_info->tile_y = cp->tdy;
 608                 cstr_info->tile_Ox = cp->tx0;
 609                 cstr_info->tile_Oy = cp->ty0;
 610                 cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));
 611         }
 612 }
 613
 614 static void j2k_write_com(opj_j2k_t *j2k) {
 615         unsigned int i;
 616         int lenp, len;
 617
 618         if(j2k->cp->comment) {
 619                 opj_cio_t *cio = j2k->cio;
 620                 char *comment = j2k->cp->comment;
 621
 622                 cio_write(cio, J2K_MS_COM, 2);
 623                 lenp = cio_tell(cio);
 624                 cio_skip(cio, 2);
 625                 cio_write(cio, 1, 2);           /* General use (IS 8859-15:1999 (Latin) values) */
 626                 for (i = 0; i < strlen(comment); i++) {
 627                         cio_write(cio, comment[i], 1);
 628                 }
 629                 len = cio_tell(cio) - lenp;
 630                 cio_seek(cio, lenp);
 631                 cio_write(cio, len, 2);
 632                 cio_seek(cio, lenp + len);
 633
 634
 635                 if(j2k->cstr_info)
 636                   j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COM, lenp, len);
 637
 638         }
 639 }
 640
 641 static void j2k_read_com(opj_j2k_t *j2k) {
 642         int len;
 643
 644         opj_cio_t *cio = j2k->cio;
 645
 646         len = cio_read(cio, 2);
 647         cio_skip(cio, len - 2);
 648 }
 649
 650 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
 651         int i;
 652
 653         opj_cp_t *cp = j2k->cp;
 654         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
 655         opj_tccp_t *tccp = &tcp->tccps[compno];
 656         opj_cio_t *cio = j2k->cio;
 657
 658         cio_write(cio, tccp->numresolutions - 1, 1);    /* SPcox (D) */
 659         cio_write(cio, tccp->cblkw - 2, 1);                             /* SPcox (E) */
 660         cio_write(cio, tccp->cblkh - 2, 1);                             /* SPcox (F) */
 661         cio_write(cio, tccp->cblksty, 1);                               /* SPcox (G) */
 662         cio_write(cio, tccp->qmfbid, 1);                                /* SPcox (H) */
 663
 664         if (tccp->csty & J2K_CCP_CSTY_PRT) {
 665                 for (i = 0; i < tccp->numresolutions; i++) {
 666                         cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1);        /* SPcox (I_i) */
 667                 }
 668         }
 669 }
 670
 671 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
 672         int i;
 673
 674         opj_cp_t *cp = j2k->cp;
 675         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
 676         opj_tccp_t *tccp = &tcp->tccps[compno];
 677         opj_cio_t *cio = j2k->cio;
 678
 679         tccp->numresolutions = cio_read(cio, 1) + 1;    /* SPcox (D) */
 680
 681         /* If user wants to remove more resolutions than the codestream contains, return error*/
 682         if (cp->reduce >= tccp->numresolutions) {
 683                 opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
 684                                         "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
 685                 j2k->state |= J2K_STATE_ERR;
 686         }
 687
 688         tccp->cblkw = cio_read(cio, 1) + 2;     /* SPcox (E) */
 689         tccp->cblkh = cio_read(cio, 1) + 2;     /* SPcox (F) */
 690         tccp->cblksty = cio_read(cio, 1);       /* SPcox (G) */
 691         tccp->qmfbid = cio_read(cio, 1);        /* SPcox (H) */
 692         if (tccp->csty & J2K_CP_CSTY_PRT) {
 693                 for (i = 0; i < tccp->numresolutions; i++) {
 694                         int tmp = cio_read(cio, 1);     /* SPcox (I_i) */
 695                         tccp->prcw[i] = tmp & 0xf;
 696                         tccp->prch[i] = tmp >> 4;
 697                 }
 698         }
 699
 700         /* INDEX >> */
 701         if(j2k->cstr_info && compno == 0) {
 702                 for (i = 0; i < tccp->numresolutions; i++) {
 703                         if (tccp->csty & J2K_CP_CSTY_PRT) {
 704                                 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
 705                                 j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
 706                         }
 707                         else {
 708                                 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
 709                                 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
 710                         }
 711                 }
 712         }
 713         /* << INDEX */
 714 }
 715
 716 static void j2k_write_cod(opj_j2k_t *j2k) {
 717         opj_cp_t *cp = NULL;
 718         opj_tcp_t *tcp = NULL;
 719         int lenp, len;
 720
 721         opj_cio_t *cio = j2k->cio;
 722
 723         cio_write(cio, J2K_MS_COD, 2);  /* COD */
 724
 725         lenp = cio_tell(cio);
 726         cio_skip(cio, 2);
 727
 728         cp = j2k->cp;
 729         tcp = &cp->tcps[j2k->curtileno];
 730
 731         cio_write(cio, tcp->csty, 1);           /* Scod */
 732         cio_write(cio, tcp->prg, 1);            /* SGcod (A) */
 733         cio_write(cio, tcp->numlayers, 2);      /* SGcod (B) */
 734         cio_write(cio, tcp->mct, 1);            /* SGcod (C) */
 735
 736         j2k_write_cox(j2k, 0);
 737         len = cio_tell(cio) - lenp;
 738         cio_seek(cio, lenp);
 739         cio_write(cio, len, 2);         /* Lcod */
 740         cio_seek(cio, lenp + len);
 741
 742         if(j2k->cstr_info)
 743           j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COD, lenp, len);
 744
 745 }
 746
 747 static void j2k_read_cod(opj_j2k_t *j2k) {
 748         int len, i, pos;
 749
 750         opj_cio_t *cio = j2k->cio;
 751         opj_cp_t *cp = j2k->cp;
 752         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
 753         opj_image_t *image = j2k->image;
 754
 755         len = cio_read(cio, 2);                         /* Lcod */
 756         tcp->csty = cio_read(cio, 1);           /* Scod */
 757         tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1);            /* SGcod (A) */
 758         tcp->numlayers = cio_read(cio, 2);      /* SGcod (B) */
 759         tcp->mct = cio_read(cio, 1);            /* SGcod (C) */
 760
 761         pos = cio_tell(cio);
 762         for (i = 0; i < image->numcomps; i++) {
 763                 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
 764                 cio_seek(cio, pos);
 765                 j2k_read_cox(j2k, i);
 766         }
 767
 768         /* Index */
 769         if (j2k->cstr_info) {
 770                 opj_codestream_info_t *cstr_info = j2k->cstr_info;
 771                 cstr_info->prog = tcp->prg;
 772                 cstr_info->numlayers = tcp->numlayers;
 773                 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
 774                 for (i = 0; i < image->numcomps; i++) {
 775                         cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
 776                 }
 777         }
 778 }
 779
 780 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
 781         int lenp, len;
 782
 783         opj_cp_t *cp = j2k->cp;
 784         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
 785         opj_image_t *image = j2k->image;
 786         opj_cio_t *cio = j2k->cio;
 787
 788         cio_write(cio, J2K_MS_COC, 2);  /* COC */
 789         lenp = cio_tell(cio);
 790         cio_skip(cio, 2);
 791         cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
 792         cio_write(cio, tcp->tccps[compno].csty, 1);     /* Scoc */
 793         j2k_write_cox(j2k, compno);
 794         len = cio_tell(cio) - lenp;
 795         cio_seek(cio, lenp);
 796         cio_write(cio, len, 2);                 /* Lcoc */
 797         cio_seek(cio, lenp + len);
 798 }
 799
 800 static void j2k_read_coc(opj_j2k_t *j2k) {
 801         int len, compno;
 802
 803         opj_cp_t *cp = j2k->cp;
 804         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
 805         opj_image_t *image = j2k->image;
 806         opj_cio_t *cio = j2k->cio;
 807
 808         len = cio_read(cio, 2);         /* Lcoc */
 809         compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
 810         tcp->tccps[compno].csty = cio_read(cio, 1);     /* Scoc */
 811         j2k_read_cox(j2k, compno);
 812 }
 813
 814 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
 815         int bandno, numbands;
 816         int expn, mant;
 817
 818         opj_cp_t *cp = j2k->cp;
 819         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
 820         opj_tccp_t *tccp = &tcp->tccps[compno];
 821         opj_cio_t *cio = j2k->cio;
 822
 823         cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1);        /* Sqcx */
 824         numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
 825
 826         for (bandno = 0; bandno < numbands; bandno++) {
 827                 expn = tccp->stepsizes[bandno].expn;
 828                 mant = tccp->stepsizes[bandno].mant;
 829
 830                 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
 831                         cio_write(cio, expn << 3, 1);   /* SPqcx_i */
 832                 } else {
 833                         cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
 834                 }
 835         }
 836 }
 837
 838 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
 839         int tmp;
 840         int bandno, numbands;
 841
 842         opj_cp_t *cp = j2k->cp;
 843         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
 844         opj_tccp_t *tccp = &tcp->tccps[compno];
 845         opj_cio_t *cio = j2k->cio;
 846
 847         tmp = cio_read(cio, 1);         /* Sqcx */
 848         tccp->qntsty = tmp & 0x1f;
 849         tccp->numgbits = tmp >> 5;
 850         numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
 851                 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
 852
 853 #ifdef USE_JPWL
 854         if (j2k->cp->correct) {
 855
 856                 /* if JPWL is on, we check whether there are too many subbands */
 857                 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
 858                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
 859                                 "JPWL: bad number of subbands in Sqcx (%d)\n",
 860                                 numbands);
 861                         if (!JPWL_ASSUME) {
 862                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 863                                 return;
 864                         }
 865                         /* we try to correct */
 866                         numbands = 1;
 867                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
 868                                 "- setting number of bands to %d => HYPOTHESIS!!!\n",
 869                                 numbands);
 870                 };
 871
 872         };
 873
 874 #else
 875         /* We check whether there are too many subbands */
 876         if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
 877                 opj_event_msg(j2k->cinfo, EVT_WARNING ,
 878                                         "bad number of subbands in Sqcx (%d) regarding to J2K_MAXBANDS (%d) \n"
 879                                     "- limiting number of bands to J2K_MAXBANDS and try to move to the next markers\n", numbands, J2K_MAXBANDS);
 880         }
 881
 882 #endif /* USE_JPWL */
 883
 884         for (bandno = 0; bandno < numbands; bandno++) {
 885                 int expn, mant;
 886                 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
 887                         expn = cio_read(cio, 1) >> 3;   /* SPqcx_i */
 888                         mant = 0;
 889                 } else {
 890                         tmp = cio_read(cio, 2); /* SPqcx_i */
 891                         expn = tmp >> 11;
 892                         mant = tmp & 0x7ff;
 893                 }
 894                 if (bandno < J2K_MAXBANDS){
 895                         tccp->stepsizes[bandno].expn = expn;
 896                         tccp->stepsizes[bandno].mant = mant;
 897                 }
 898         }
 899
 900         /* Add Antonin : if scalar_derived -> compute other stepsizes */
 901         if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
 902                 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
 903                         tccp->stepsizes[bandno].expn =
 904                                 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
 905                                         (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
 906                         tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
 907                 }
 908         }
 909         /* ddA */
 910 }
 911
 912 static void j2k_write_qcd(opj_j2k_t *j2k) {
 913         int lenp, len;
 914
 915         opj_cio_t *cio = j2k->cio;
 916
 917         cio_write(cio, J2K_MS_QCD, 2);  /* QCD */
 918         lenp = cio_tell(cio);
 919         cio_skip(cio, 2);
 920         j2k_write_qcx(j2k, 0);
 921         len = cio_tell(cio) - lenp;
 922         cio_seek(cio, lenp);
 923         cio_write(cio, len, 2);                 /* Lqcd */
 924         cio_seek(cio, lenp + len);
 925
 926         if(j2k->cstr_info)
 927           j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, lenp, len);
 928 }
 929
 930 static void j2k_read_qcd(opj_j2k_t *j2k) {
 931         int len, i, pos;
 932
 933         opj_cio_t *cio = j2k->cio;
 934         opj_image_t *image = j2k->image;
 935
 936         len = cio_read(cio, 2);         /* Lqcd */
 937         pos = cio_tell(cio);
 938         for (i = 0; i < image->numcomps; i++) {
 939                 cio_seek(cio, pos);
 940                 j2k_read_qcx(j2k, i, len - 2);
 941         }
 942 }
 943
 944 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
 945         int lenp, len;
 946
 947         opj_cio_t *cio = j2k->cio;
 948
 949         cio_write(cio, J2K_MS_QCC, 2);  /* QCC */
 950         lenp = cio_tell(cio);
 951         cio_skip(cio, 2);
 952         cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2);    /* Cqcc */
 953         j2k_write_qcx(j2k, compno);
 954         len = cio_tell(cio) - lenp;
 955         cio_seek(cio, lenp);
 956         cio_write(cio, len, 2);                 /* Lqcc */
 957         cio_seek(cio, lenp + len);
 958 }
 959
 960 static void j2k_read_qcc(opj_j2k_t *j2k) {
 961         int len, compno;
 962         int numcomp = j2k->image->numcomps;
 963         opj_cio_t *cio = j2k->cio;
 964
 965         len = cio_read(cio, 2); /* Lqcc */
 966         compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
 967
 968 #ifdef USE_JPWL
 969         if (j2k->cp->correct) {
 970
 971                 static int backup_compno = 0;
 972
 973                 /* compno is negative or larger than the number of components!!! */
 974                 if ((compno < 0) || (compno >= numcomp)) {
 975                         opj_event_msg(j2k->cinfo, EVT_ERROR,
 976                                 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
 977                                 compno, numcomp);
 978                         if (!JPWL_ASSUME) {
 979                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 980                                 return;
 981                         }
 982                         /* we try to correct */
 983                         compno = backup_compno % numcomp;
 984                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
 985                                 "- setting component number to %d\n",
 986                                 compno);
 987                 }
 988
 989                 /* keep your private count of tiles */
 990                 backup_compno++;
 991         };
 992 #endif /* USE_JPWL */
 993
 994         j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
 995 }
 996
 997 static void j2k_write_poc(opj_j2k_t *j2k) {
 998         int len, numpchgs, i;
 999
1000         int numcomps = j2k->image->numcomps;
1001
1002         opj_cp_t *cp = j2k->cp;
1003         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
1004         opj_tccp_t *tccp = &tcp->tccps[0];
1005         opj_cio_t *cio = j2k->cio;
1006
1007         numpchgs = 1 + tcp->numpocs;
1008         cio_write(cio, J2K_MS_POC, 2);  /* POC  */
1009         len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
1010         cio_write(cio, len, 2);         /* Lpoc */
1011         for (i = 0; i < numpchgs; i++) {
1012                 opj_poc_t *poc = &tcp->pocs[i];
1013                 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
1014                 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2));        /* CSpoc_i */
1015                 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
1016                 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
1017                 cio_write(cio, poc->resno1, 1); /* REpoc_i */
1018                 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
1019                 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2));        /* CEpoc_i */
1020                 poc->compno1 = int_min(poc->compno1, numcomps);
1021                 cio_write(cio, poc->prg, 1);    /* Ppoc_i */
1022         }
1023 }
1024
1025 static void j2k_read_poc(opj_j2k_t *j2k) {
1026         int len, numpchgs, i, old_poc;
1027
1028         int numcomps = j2k->image->numcomps;
1029
1030         opj_cp_t *cp = j2k->cp;
1031         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1032         opj_cio_t *cio = j2k->cio;
1033
1034         old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1035         tcp->POC = 1;
1036         len = cio_read(cio, 2);         /* Lpoc */
1037         numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1038
1039         for (i = old_poc; i < numpchgs + old_poc; i++) {
1040                 opj_poc_t *poc;
1041                 poc = &tcp->pocs[i];
1042                 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
1043                 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2);  /* CSpoc_i */
1044                 poc->layno1 = cio_read(cio, 2);    /* LYEpoc_i */
1045                 poc->resno1 = cio_read(cio, 1);    /* REpoc_i */
1046                 poc->compno1 = int_min(
1047                         cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps);       /* CEpoc_i */
1048                 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1);    /* Ppoc_i */
1049         }
1050
1051         tcp->numpocs = numpchgs + old_poc - 1;
1052 }
1053
1054 static void j2k_read_crg(opj_j2k_t *j2k) {
1055         int len, i, Xcrg_i, Ycrg_i;
1056
1057         opj_cio_t *cio = j2k->cio;
1058         int numcomps = j2k->image->numcomps;
1059
1060         len = cio_read(cio, 2);                 /* Lcrg */
1061         for (i = 0; i < numcomps; i++) {
1062                 Xcrg_i = cio_read(cio, 2);      /* Xcrg_i */
1063                 Ycrg_i = cio_read(cio, 2);      /* Ycrg_i */
1064         }
1065 }
1066
1067 static void j2k_read_tlm(opj_j2k_t *j2k) {
1068         int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1069         long int Ttlm_i, Ptlm_i;
1070
1071         opj_cio_t *cio = j2k->cio;
1072
1073         len = cio_read(cio, 2);         /* Ltlm */
1074         Ztlm = cio_read(cio, 1);        /* Ztlm */
1075         Stlm = cio_read(cio, 1);        /* Stlm */
1076         ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1077         SP = (Stlm >> 6) & 0x01;
1078         tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1079         for (i = 0; i < tile_tlm; i++) {
1080                 Ttlm_i = cio_read(cio, ST);     /* Ttlm_i */
1081                 Ptlm_i = cio_read(cio, SP ? 4 : 2);     /* Ptlm_i */
1082         }
1083 }
1084
1085 static void j2k_read_plm(opj_j2k_t *j2k) {
1086         int len, i, Zplm, Nplm, add, packet_len = 0;
1087
1088         opj_cio_t *cio = j2k->cio;
1089
1090         len = cio_read(cio, 2);         /* Lplm */
1091         Zplm = cio_read(cio, 1);        /* Zplm */
1092         len -= 3;
1093         while (len > 0) {
1094                 Nplm = cio_read(cio, 4);                /* Nplm */
1095                 len -= 4;
1096                 for (i = Nplm; i > 0; i--) {
1097                         add = cio_read(cio, 1);
1098                         len--;
1099                         packet_len = (packet_len << 7) + add;   /* Iplm_ij */
1100                         if ((add & 0x80) == 0) {
1101                                 /* New packet */
1102                                 packet_len = 0;
1103                         }
1104                         if (len <= 0)
1105                                 break;
1106                 }
1107         }
1108 }
1109
1110 static void j2k_read_plt(opj_j2k_t *j2k) {
1111         int len, i, Zplt, packet_len = 0, add;
1112
1113         opj_cio_t *cio = j2k->cio;
1114
1115         len = cio_read(cio, 2);         /* Lplt */
1116         Zplt = cio_read(cio, 1);        /* Zplt */
1117         for (i = len - 3; i > 0; i--) {
1118                 add = cio_read(cio, 1);
1119                 packet_len = (packet_len << 7) + add;   /* Iplt_i */
1120                 if ((add & 0x80) == 0) {
1121                         /* New packet */
1122                         packet_len = 0;
1123                 }
1124         }
1125 }
1126
1127 static void j2k_read_ppm(opj_j2k_t *j2k) {
1128         int len, Z_ppm, i, j;
1129         int N_ppm;
1130
1131         opj_cp_t *cp = j2k->cp;
1132         opj_cio_t *cio = j2k->cio;
1133
1134         len = cio_read(cio, 2);
1135         cp->ppm = 1;
1136
1137         Z_ppm = cio_read(cio, 1);       /* Z_ppm */
1138         len -= 3;
1139         while (len > 0) {
1140                 if (cp->ppm_previous == 0) {
1141                         N_ppm = cio_read(cio, 4);       /* N_ppm */
1142                         len -= 4;
1143                 } else {
1144                         N_ppm = cp->ppm_previous;
1145                 }
1146                 j = cp->ppm_store;
1147                 if (Z_ppm == 0) {       /* First PPM marker */
1148                         cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1149                         cp->ppm_data_first = cp->ppm_data;
1150                         cp->ppm_len = N_ppm;
1151                 } else {                        /* NON-first PPM marker */
1152                         cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm +     cp->ppm_store) * sizeof(unsigned char));
1153
1154 #ifdef USE_JPWL
1155                         /* this memory allocation check could be done even in non-JPWL cases */
1156                         if (cp->correct) {
1157                                 if (!cp->ppm_data) {
1158                                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1159                                                 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1160                                                 cio_tell(cio));
1161                                         if (!JPWL_ASSUME || JPWL_ASSUME) {
1162                                                 opj_free(cp->ppm_data);
1163                                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1164                                                 return;
1165                                         }
1166                                 }
1167                         }
1168 #endif
1169
1170                         cp->ppm_data_first = cp->ppm_data;
1171                         cp->ppm_len = N_ppm + cp->ppm_store;
1172                 }
1173                 for (i = N_ppm; i > 0; i--) {   /* Read packet header */
1174                         cp->ppm_data[j] = cio_read(cio, 1);
1175                         j++;
1176                         len--;
1177                         if (len == 0)
1178                                 break;                  /* Case of non-finished packet header in present marker but finished in next one */
1179                 }
1180                 cp->ppm_previous = i - 1;
1181                 cp->ppm_store = j;
1182         }
1183 }
1184
1185 static void j2k_read_ppt(opj_j2k_t *j2k) {
1186         int len, Z_ppt, i, j = 0;
1187
1188         opj_cp_t *cp = j2k->cp;
1189         opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1190         opj_cio_t *cio = j2k->cio;
1191
1192         len = cio_read(cio, 2);
1193         Z_ppt = cio_read(cio, 1);
1194         tcp->ppt = 1;
1195         if (Z_ppt == 0) {               /* First PPT marker */
1196                 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1197                 tcp->ppt_data_first = tcp->ppt_data;
1198                 tcp->ppt_store = 0;
1199                 tcp->ppt_len = len - 3;
1200         } else {                        /* NON-first PPT marker */
1201                 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1202                 tcp->ppt_data_first = tcp->ppt_data;
1203                 tcp->ppt_len = len - 3 + tcp->ppt_store;
1204         }
1205         j = tcp->ppt_store;
1206         for (i = len - 3; i > 0; i--) {
1207                 tcp->ppt_data[j] = cio_read(cio, 1);
1208                 j++;
1209         }
1210         tcp->ppt_store = j;
1211 }
1212
1213 static void j2k_write_tlm(opj_j2k_t *j2k){
1214         int lenp;
1215         opj_cio_t *cio = j2k->cio;
1216         j2k->tlm_start = cio_tell(cio);
1217         cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1218         lenp = 4 + (5*j2k->totnum_tp);
1219         cio_write(cio,lenp,2);                          /* Ltlm */
1220         cio_write(cio, 0,1);                                    /* Ztlm=0*/
1221         cio_write(cio,80,1);                                    /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1222         cio_skip(cio,5*j2k->totnum_tp);
1223 }
1224
1225 static void j2k_write_sot(opj_j2k_t *j2k) {
1226         int lenp, len;
1227
1228         opj_cio_t *cio = j2k->cio;
1229
1230         j2k->sot_start = cio_tell(cio);
1231         cio_write(cio, J2K_MS_SOT, 2);          /* SOT */
1232         lenp = cio_tell(cio);
1233         cio_skip(cio, 2);                                       /* Lsot (further) */
1234         cio_write(cio, j2k->curtileno, 2);      /* Isot */
1235         cio_skip(cio, 4);                                       /* Psot (further in j2k_write_sod) */
1236         cio_write(cio, j2k->cur_tp_num , 1);    /* TPsot */
1237         cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1);          /* TNsot */
1238         len = cio_tell(cio) - lenp;
1239         cio_seek(cio, lenp);
1240         cio_write(cio, len, 2);                         /* Lsot */
1241         cio_seek(cio, lenp + len);
1242
1243         /* UniPG>> */
1244 #ifdef USE_JPWL
1245         /* update markers struct */
1246         j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
1247 #endif /* USE_JPWL */
1248         /* <<UniPG */
1249
1250         if( j2k->cstr_info && j2k->cur_tp_num==0){
1251           j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOT, lenp, len);
1252         }
1253 }
1254
1255 static void j2k_read_sot(opj_j2k_t *j2k) {
1256         int len, tileno, totlen, partno, numparts, i;
1257         opj_tcp_t *tcp = NULL;
1258         char status = 0;
1259
1260         opj_cp_t *cp = j2k->cp;
1261         opj_cio_t *cio = j2k->cio;
1262
1263         len = cio_read(cio, 2);
1264         tileno = cio_read(cio, 2);
1265
1266 #ifdef USE_JPWL
1267         if (j2k->cp->correct) {
1268
1269                 static int backup_tileno = 0;
1270
1271                 /* tileno is negative or larger than the number of tiles!!! */
1272                 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1273                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1274                                 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1275                                 tileno, (cp->tw * cp->th));
1276                         if (!JPWL_ASSUME) {
1277                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1278                                 return;
1279                         }
1280                         /* we try to correct */
1281                         tileno = backup_tileno;
1282                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1283                                 "- setting tile number to %d\n",
1284                                 tileno);
1285                 }
1286
1287                 /* keep your private count of tiles */
1288                 backup_tileno++;
1289         };
1290 #endif /* USE_JPWL */
1291
1292         if (cp->tileno_size == 0) {
1293                 cp->tileno[cp->tileno_size] = tileno;
1294                 cp->tileno_size++;
1295         } else {
1296                 i = 0;
1297                 while (i < cp->tileno_size && status == 0) {
1298                         status = cp->tileno[i] == tileno ? 1 : 0;
1299                         i++;
1300                 }
1301                 if (status == 0) {
1302                         cp->tileno[cp->tileno_size] = tileno;
1303                         cp->tileno_size++;
1304                 }
1305         }
1306
1307         totlen = cio_read(cio, 4);
1308
1309 #ifdef USE_JPWL
1310         if (j2k->cp->correct) {
1311
1312                 /* totlen is negative or larger than the bytes left!!! */
1313                 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1314                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1315                                 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1316                                 totlen, cio_numbytesleft(cio) + 8);
1317                         if (!JPWL_ASSUME) {
1318                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1319                                 return;
1320                         }
1321                         /* we try to correct */
1322                         totlen = 0;
1323                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1324                                 "- setting Psot to %d => assuming it is the last tile\n",
1325                                 totlen);
1326                 }
1327
1328         };
1329 #endif /* USE_JPWL */
1330
1331         if (!totlen)
1332                 totlen = cio_numbytesleft(cio) + 8;
1333
1334         partno = cio_read(cio, 1);
1335         numparts = cio_read(cio, 1);
1336
1337   if (partno >= numparts) {
1338     opj_event_msg(j2k->cinfo, EVT_WARNING, "SOT marker inconsistency in tile %d: tile-part index greater (%d) than number of tile-parts (%d)\n", tileno, partno, numparts);
1339     numparts = partno+1;
1340   }
1341
1342         j2k->curtileno = tileno;
1343         j2k->cur_tp_num = partno;
1344         j2k->eot = cio_getbp(cio) - 12 + totlen;
1345         j2k->state = J2K_STATE_TPH;
1346         tcp = &cp->tcps[j2k->curtileno];
1347
1348         /* Index */
1349         if (j2k->cstr_info) {
1350                 if (tcp->first) {
1351                         if (tileno == 0)
1352                                 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1353                         j2k->cstr_info->tile[tileno].tileno = tileno;
1354                         j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1355                         j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
1356     } else {
1357                         j2k->cstr_info->tile[tileno].end_pos += totlen;
1358                 }
1359     j2k->cstr_info->tile[tileno].num_tps = numparts;
1360     if (numparts)
1361       j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, numparts * sizeof(opj_tp_info_t));
1362     else
1363       j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, 10 * sizeof(opj_tp_info_t)); /* Fixme (10)*/
1364                 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1365                 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
1366                         j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1367         }
1368
1369         if (tcp->first == 1) {
1370                 /* Initialization PPT */
1371                 opj_tccp_t *tmp = tcp->tccps;
1372                 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1373                 tcp->ppt = 0;
1374                 tcp->ppt_data = NULL;
1375                 tcp->ppt_data_first = NULL;
1376                 tcp->tccps = tmp;
1377
1378                 for (i = 0; i < j2k->image->numcomps; i++) {
1379                         tcp->tccps[i] = j2k->default_tcp->tccps[i];
1380                 }
1381                 cp->tcps[j2k->curtileno].first = 0;
1382         }
1383 }
1384
1385 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1386         int l, layno;
1387         int totlen;
1388         opj_tcp_t *tcp = NULL;
1389         opj_codestream_info_t *cstr_info = NULL;
1390
1391         opj_tcd_t *tcd = (opj_tcd_t*)tile_coder;        /* cast is needed because of conflicts in header inclusions */
1392         opj_cp_t *cp = j2k->cp;
1393         opj_cio_t *cio = j2k->cio;
1394
1395         tcd->tp_num = j2k->tp_num ;
1396         tcd->cur_tp_num = j2k->cur_tp_num;
1397
1398         cio_write(cio, J2K_MS_SOD, 2);
1399
1400         if( j2k->cstr_info && j2k->cur_tp_num==0){
1401           j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOD, cio_tell(cio), 0);
1402         }
1403
1404         if (j2k->curtileno == 0) {
1405                 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1406         }
1407
1408         /* INDEX >> */
1409         cstr_info = j2k->cstr_info;
1410         if (cstr_info) {
1411                 if (!j2k->cur_tp_num ) {
1412                         cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1413                         j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1414                 }
1415                 else{
1416                         if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1417                                 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1418                 }
1419                 /* UniPG>> */
1420 #ifdef USE_JPWL
1421                 /* update markers struct */
1422                 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1423 #endif /* USE_JPWL */
1424                 /* <<UniPG */
1425         }
1426         /* << INDEX */
1427
1428         tcp = &cp->tcps[j2k->curtileno];
1429         for (layno = 0; layno < tcp->numlayers; layno++) {
1430                 if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
1431                         tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
1432                 } else if (tcp->rates[layno]) {
1433                         tcp->rates[layno]=1;
1434                 }
1435         }
1436         if(j2k->cur_tp_num == 0){
1437                 tcd->tcd_image->tiles->packno = 0;
1438                 if(cstr_info)
1439                         cstr_info->packno = 0;
1440         }
1441
1442         l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1443
1444         /* Writing Psot in SOT marker */
1445         totlen = cio_tell(cio) + l - j2k->sot_start;
1446         cio_seek(cio, j2k->sot_start + 6);
1447         cio_write(cio, totlen, 4);
1448         cio_seek(cio, j2k->sot_start + totlen);
1449         /* Writing Ttlm and Ptlm in TLM marker */
1450         if(cp->cinema){
1451                 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1452                 cio_write(cio, j2k->curtileno, 1);
1453                 cio_write(cio, totlen, 4);
1454         }
1455         cio_seek(cio, j2k->sot_start + totlen);
1456 }
1457
1458 static void j2k_read_sod(opj_j2k_t *j2k) {
1459         int len, truncate = 0, i;
1460         unsigned char *data = NULL, *data_ptr = NULL;
1461
1462         opj_cio_t *cio = j2k->cio;
1463         int curtileno = j2k->curtileno;
1464
1465         /* Index */
1466         if (j2k->cstr_info) {
1467                 j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
1468                         cio_tell(cio) + j2k->pos_correction - 1;
1469                 if (j2k->cur_tp_num == 0)
1470                         j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1471                 j2k->cstr_info->packno = 0;
1472         }
1473
1474         len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1475
1476         if (len == cio_numbytesleft(cio) + 1) {
1477                 truncate = 1;           /* Case of a truncate codestream */
1478         }
1479
1480    {
1481     unsigned char *s, *e;
1482         int skipped = 0;
1483
1484     s = cio_getbp(cio);
1485     e = s + len;
1486
1487         if((unsigned int)(e - s) > 8) s = e - 8;
1488
1489         if(e[-2] == 0x00 && e[-1] == 0x00)
1490   {
1491         while(e > s)
1492  {
1493         if(e[-2] == 0xff && e[-1] == 0xd9)      break;
1494         --len; --e; ++skipped;
1495  }
1496         if(skipped) truncate = 1;
1497   }
1498    }
1499
1500         data = j2k->tile_data[curtileno];
1501         data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1502
1503         data_ptr = data + j2k->tile_len[curtileno];
1504         for (i = 0; i < len; i++) {
1505                 data_ptr[i] = cio_read(cio, 1);
1506         }
1507
1508         j2k->tile_len[curtileno] += len;
1509         j2k->tile_data[curtileno] = data;
1510
1511         if (!truncate) {
1512                 j2k->state = J2K_STATE_TPHSOT;
1513         } else {
1514                 j2k->state = J2K_STATE_NEOC;    /* RAJOUTE !! */
1515         }
1516         j2k->cur_tp_num++;
1517 }
1518
1519 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1520         opj_cp_t *cp = j2k->cp;
1521         opj_tcp_t *tcp = &cp->tcps[tileno];
1522         opj_cio_t *cio = j2k->cio;
1523         int numcomps = j2k->image->numcomps;
1524
1525         cio_write(cio, J2K_MS_RGN, 2);                                          /* RGN  */
1526         cio_write(cio, numcomps <= 256 ? 5 : 6, 2);                     /* Lrgn */
1527         cio_write(cio, compno, numcomps <= 256 ? 1 : 2);        /* Crgn */
1528         cio_write(cio, 0, 1);                                                           /* Srgn */
1529         cio_write(cio, tcp->tccps[compno].roishift, 1);         /* SPrgn */
1530 }
1531
1532 static void j2k_read_rgn(opj_j2k_t *j2k) {
1533         int len, compno, roisty;
1534
1535         opj_cp_t *cp = j2k->cp;
1536         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1537         opj_cio_t *cio = j2k->cio;
1538         int numcomps = j2k->image->numcomps;
1539
1540         len = cio_read(cio, 2);                                                                         /* Lrgn */
1541         compno = cio_read(cio, numcomps <= 256 ? 1 : 2);                        /* Crgn */
1542         roisty = cio_read(cio, 1);                                                                      /* Srgn */
1543
1544 #ifdef USE_JPWL
1545         if (j2k->cp->correct) {
1546                 /* totlen is negative or larger than the bytes left!!! */
1547                 if (compno >= numcomps) {
1548                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1549                                 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1550                                 compno, numcomps);
1551                         if (!JPWL_ASSUME || JPWL_ASSUME) {
1552                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1553                                 return;
1554                         }
1555                 }
1556         };
1557 #endif /* USE_JPWL */
1558
1559         tcp->tccps[compno].roishift = cio_read(cio, 1);                         /* SPrgn */
1560 }
1561
1562 static void j2k_write_eoc(opj_j2k_t *j2k) {
1563         opj_cio_t *cio = j2k->cio;
1564         /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1565         cio_write(cio, J2K_MS_EOC, 2);
1566
1567 /* UniPG>> */
1568 #ifdef USE_JPWL
1569         /* update markers struct */
1570         j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1571 #endif /* USE_JPWL */
1572 /* <<UniPG */
1573 }
1574
1575 static void j2k_read_eoc(opj_j2k_t *j2k) {
1576         int i, tileno;
1577         opj_bool success;
1578
1579         /* if packets should be decoded */
1580         if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1581                 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1582                 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1583                 for (i = 0; i < j2k->cp->tileno_size; i++) {
1584                         tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
1585                         tileno = j2k->cp->tileno[i];
1586                         success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
1587                         opj_free(j2k->tile_data[tileno]);
1588                         j2k->tile_data[tileno] = NULL;
1589                         tcd_free_decode_tile(tcd, i);
1590                         if (success == OPJ_FALSE) {
1591                                 j2k->state |= J2K_STATE_ERR;
1592                                 break;
1593                         }
1594                 }
1595                 tcd_free_decode(tcd);
1596                 tcd_destroy(tcd);
1597         }
1598         /* if packets should not be decoded  */
1599         else {
1600                 for (i = 0; i < j2k->cp->tileno_size; i++) {
1601                         tileno = j2k->cp->tileno[i];
1602                         opj_free(j2k->tile_data[tileno]);
1603                         j2k->tile_data[tileno] = NULL;
1604                 }
1605         }
1606         if (j2k->state & J2K_STATE_ERR)
1607                 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1608         else
1609                 j2k->state = J2K_STATE_MT;
1610 }
1611
1612 typedef struct opj_dec_mstabent {
1613         /** marker value */
1614         int id;
1615         /** value of the state when the marker can appear */
1616         int states;
1617         /** action linked to the marker */
1618         void (*handler) (opj_j2k_t *j2k);
1619 } opj_dec_mstabent_t;
1620
1621 opj_dec_mstabent_t j2k_dec_mstab[] = {
1622   {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1623   {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1624   {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1625   {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1626   {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1627   {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1628   {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1629   {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1630   {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1631   {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1632   {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1633   {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1634   {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1635   {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1636   {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1637   {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1638   {J2K_MS_SOP, 0, 0},
1639   {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1640   {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1641
1642 #ifdef USE_JPWL
1643   {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1644   {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1645   {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1646   {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1647 #endif /* USE_JPWL */
1648 #ifdef USE_JPSEC
1649   {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1650   {J2K_MS_INSEC, 0, j2k_read_insec},
1651 #endif /* USE_JPSEC */
1652
1653   {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1654 };
1655
1656 static void j2k_read_unk(opj_j2k_t *j2k) {
1657         opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1658
1659 #ifdef USE_JPWL
1660         if (j2k->cp->correct) {
1661                 int m = 0, id, i;
1662                 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1663                 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1664                 id = cio_read(j2k->cio, 2);
1665                 opj_event_msg(j2k->cinfo, EVT_ERROR,
1666                         "JPWL: really don't know this marker %x\n",
1667                         id);
1668                 if (!JPWL_ASSUME) {
1669                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1670                                 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1671                         return;
1672                 }
1673                 /* OK, activate this at your own risk!!! */
1674                 /* we look for the marker at the minimum hamming distance from this */
1675                 while (j2k_dec_mstab[m].id) {
1676
1677                         /* 1's where they differ */
1678                         tmp_id = j2k_dec_mstab[m].id ^ id;
1679
1680                         /* compute the hamming distance between our id and the current */
1681                         cur_dist = 0;
1682                         for (i = 0; i < 16; i++) {
1683                                 if ((tmp_id >> i) & 0x0001) {
1684                                         cur_dist++;
1685                                 }
1686                         }
1687
1688                         /* if current distance is smaller, set the minimum */
1689                         if (cur_dist < min_dist) {
1690                                 min_dist = cur_dist;
1691                                 min_id = j2k_dec_mstab[m].id;
1692                         }
1693
1694                         /* jump to the next marker */
1695                         m++;
1696                 }
1697
1698                 /* do we substitute the marker? */
1699                 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1700                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1701                                 "- marker %x is at distance %d from the read %x\n",
1702                                 min_id, min_dist, id);
1703                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1704                                 "- trying to substitute in place and crossing fingers!\n");
1705                         cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1706                         cio_write(j2k->cio, min_id, 2);
1707
1708                         /* rewind */
1709                         cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1710
1711                 }
1712
1713         };
1714 #endif /* USE_JPWL */
1715
1716 }
1717
1718 /**
1719 Read the lookup table containing all the marker, status and action
1720 @param id Marker value
1721 */
1722 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1723         opj_dec_mstabent_t *e;
1724         for (e = j2k_dec_mstab; e->id != 0; e++) {
1725                 if (e->id == id) {
1726                         break;
1727                 }
1728         }
1729         return e;
1730 }
1731
1732 /* ----------------------------------------------------------------------- */
1733 /* J2K / JPT decoder interface                                             */
1734 /* ----------------------------------------------------------------------- */
1735
1736 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1737         opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1738         if(!j2k)
1739                 return NULL;
1740
1741         j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1742         if(!j2k->default_tcp) {
1743                 opj_free(j2k);
1744                 return NULL;
1745         }
1746
1747         j2k->cinfo = cinfo;
1748         j2k->tile_data = NULL;
1749
1750         return j2k;
1751 }
1752
1753 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1754         int i = 0;
1755
1756         if(j2k->tile_len != NULL) {
1757                 opj_free(j2k->tile_len);
1758         }
1759         if(j2k->tile_data != NULL) {
1760                 opj_free(j2k->tile_data);
1761         }
1762         if(j2k->default_tcp != NULL) {
1763                 opj_tcp_t *default_tcp = j2k->default_tcp;
1764                 if(default_tcp->ppt_data_first != NULL) {
1765                         opj_free(default_tcp->ppt_data_first);
1766                 }
1767                 if(j2k->default_tcp->tccps != NULL) {
1768                         opj_free(j2k->default_tcp->tccps);
1769                 }
1770                 opj_free(j2k->default_tcp);
1771         }
1772         if(j2k->cp != NULL) {
1773                 opj_cp_t *cp = j2k->cp;
1774                 if(cp->tcps != NULL) {
1775                         for(i = 0; i < cp->tw * cp->th; i++) {
1776                                 if(cp->tcps[i].ppt_data_first != NULL) {
1777                                         opj_free(cp->tcps[i].ppt_data_first);
1778                                 }
1779                                 if(cp->tcps[i].tccps != NULL) {
1780                                         opj_free(cp->tcps[i].tccps);
1781                                 }
1782                         }
1783                         opj_free(cp->tcps);
1784                 }
1785                 if(cp->ppm_data_first != NULL) {
1786                         opj_free(cp->ppm_data_first);
1787                 }
1788                 if(cp->tileno != NULL) {
1789                         opj_free(cp->tileno);
1790                 }
1791                 if(cp->comment != NULL) {
1792                         opj_free(cp->comment);
1793                 }
1794
1795                 opj_free(cp);
1796         }
1797         opj_free(j2k);
1798 }
1799
1800 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1801         if(j2k && parameters) {
1802                 /* create and initialize the coding parameters structure */
1803                 opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1804                 cp->reduce = parameters->cp_reduce;
1805                 cp->layer = parameters->cp_layer;
1806                 cp->limit_decoding = parameters->cp_limit_decoding;
1807
1808 #ifdef USE_JPWL
1809                 cp->correct = parameters->jpwl_correct;
1810                 cp->exp_comps = parameters->jpwl_exp_comps;
1811                 cp->max_tiles = parameters->jpwl_max_tiles;
1812 #endif /* USE_JPWL */
1813
1814
1815                 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1816                 j2k->cp = cp;
1817         }
1818 }
1819
1820 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1821         opj_image_t *image = NULL;
1822
1823         opj_common_ptr cinfo = j2k->cinfo;
1824
1825         j2k->cio = cio;
1826         j2k->cstr_info = cstr_info;
1827         if (cstr_info)
1828                 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1829
1830         /* create an empty image */
1831         image = opj_image_create0();
1832         j2k->image = image;
1833
1834         j2k->state = J2K_STATE_MHSOC;
1835
1836         for (;;) {
1837                 opj_dec_mstabent_t *e;
1838                 int id = cio_read(cio, 2);
1839
1840 #ifdef USE_JPWL
1841                 /* we try to honor JPWL correction power */
1842                 if (j2k->cp->correct) {
1843
1844                         int orig_pos = cio_tell(cio);
1845                         opj_bool status;
1846
1847                         /* call the corrector */
1848                         status = jpwl_correct(j2k);
1849
1850                         /* go back to where you were */
1851                         cio_seek(cio, orig_pos - 2);
1852
1853                         /* re-read the marker */
1854                         id = cio_read(cio, 2);
1855
1856                         /* check whether it begins with ff */
1857                         if (id >> 8 != 0xff) {
1858                                 opj_event_msg(cinfo, EVT_ERROR,
1859                                         "JPWL: possible bad marker %x at %d\n",
1860                                         id, cio_tell(cio) - 2);
1861                                 if (!JPWL_ASSUME) {
1862                                         opj_image_destroy(image);
1863                                         opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1864                                         return 0;
1865                                 }
1866                                 /* we try to correct */
1867                                 id = id | 0xff00;
1868                                 cio_seek(cio, cio_tell(cio) - 2);
1869                                 cio_write(cio, id, 2);
1870                                 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1871                                         "- setting marker to %x\n",
1872                                         id);
1873                         }
1874
1875                 }
1876 #endif /* USE_JPWL */
1877
1878                 if (id >> 8 != 0xff) {
1879                 if(cio_numbytesleft(cio) != 0) /* not end of file reached and no EOC */
1880            {
1881                 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1882                 opj_image_destroy(image);
1883                 return 0;
1884            }
1885                 opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1886                 j2k->state = J2K_STATE_NEOC;
1887                 break;
1888                 }
1889                 e = j2k_dec_mstab_lookup(id);
1890                 /* Check if the marker is known*/
1891                 if (!(j2k->state & e->states)) {
1892                         opj_image_destroy(image);
1893                         opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1894                         return 0;
1895                 }
1896                 /* Check if the decoding is limited to the main header*/
1897                 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1898                         opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1899                         return image;
1900                 }
1901
1902                 if (e->handler) {
1903                         (*e->handler)(j2k);
1904                 }
1905                 if (j2k->state & J2K_STATE_ERR)
1906                         return NULL;
1907
1908                 if (j2k->state == J2K_STATE_MT) {
1909                         break;
1910                 }
1911                 if (j2k->state == J2K_STATE_NEOC) {
1912                         break;
1913                 }
1914         }
1915         if (j2k->state == J2K_STATE_NEOC) {
1916                 j2k_read_eoc(j2k);
1917         }
1918
1919         if (j2k->state != J2K_STATE_MT) {
1920                 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1921         }
1922         return image;
1923 }
1924
1925 /*
1926 * Read a JPT-stream and decode file
1927 *
1928 */
1929 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio,  opj_codestream_info_t *cstr_info) {
1930         opj_image_t *image = NULL;
1931         opj_jpt_msg_header_t header;
1932         int position;
1933         opj_common_ptr cinfo = j2k->cinfo;
1934
1935         OPJ_ARG_NOT_USED(cstr_info);
1936
1937         j2k->cio = cio;
1938
1939         /* create an empty image */
1940         image = opj_image_create0();
1941         j2k->image = image;
1942
1943         j2k->state = J2K_STATE_MHSOC;
1944
1945         /* Initialize the header */
1946         jpt_init_msg_header(&header);
1947         /* Read the first header of the message */
1948         jpt_read_msg_header(cinfo, cio, &header);
1949
1950         position = cio_tell(cio);
1951         if (header.Class_Id != 6) {     /* 6 : Main header data-bin message */
1952                 opj_image_destroy(image);
1953                 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1954                 return 0;
1955         }
1956
1957         for (;;) {
1958                 opj_dec_mstabent_t *e = NULL;
1959                 int id;
1960
1961                 if (!cio_numbytesleft(cio)) {
1962                         j2k_read_eoc(j2k);
1963                         return image;
1964                 }
1965                 /* data-bin read -> need to read a new header */
1966                 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1967                         jpt_read_msg_header(cinfo, cio, &header);
1968                         position = cio_tell(cio);
1969                         if (header.Class_Id != 4) {     /* 4 : Tile data-bin message */
1970                                 opj_image_destroy(image);
1971                                 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1972                                 return 0;
1973                         }
1974                 }
1975
1976                 id = cio_read(cio, 2);
1977                 if (id >> 8 != 0xff) {
1978         if(cio_numbytesleft(cio) != 0) /* no end of file reached and no EOC */
1979           {
1980                 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1981                 opj_image_destroy(image);
1982                 return 0;
1983           }
1984                 opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1985                 j2k->state = J2K_STATE_NEOC;
1986                 break;
1987                 }
1988                 e = j2k_dec_mstab_lookup(id);
1989                 if (!(j2k->state & e->states)) {
1990                         opj_image_destroy(image);
1991                         opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1992                         return 0;
1993                 }
1994                 if (e->handler) {
1995                         (*e->handler)(j2k);
1996                 }
1997                 if (j2k->state == J2K_STATE_MT) {
1998                         break;
1999                 }
2000                 if (j2k->state == J2K_STATE_NEOC) {
2001                         break;
2002                 }
2003         }
2004         if (j2k->state == J2K_STATE_NEOC) {
2005                 j2k_read_eoc(j2k);
2006         }
2007
2008         if (j2k->state != J2K_STATE_MT) {
2009                 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
2010         }
2011
2012         return image;
2013 }
2014
2015 /* ----------------------------------------------------------------------- */
2016 /* J2K encoder interface                                                       */
2017 /* ----------------------------------------------------------------------- */
2018
2019 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
2020         opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
2021         if(j2k) {
2022                 j2k->cinfo = cinfo;
2023         }
2024         return j2k;
2025 }
2026
2027 void j2k_destroy_compress(opj_j2k_t *j2k) {
2028         int tileno;
2029
2030         if(!j2k) return;
2031         if(j2k->cp != NULL) {
2032                 opj_cp_t *cp = j2k->cp;
2033
2034                 if(cp->comment) {
2035                         opj_free(cp->comment);
2036                 }
2037                 if(cp->matrice) {
2038                         opj_free(cp->matrice);
2039                 }
2040                 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2041                         opj_free(cp->tcps[tileno].tccps);
2042                 }
2043                 opj_free(cp->tcps);
2044                 opj_free(cp);
2045         }
2046
2047         opj_free(j2k);
2048 }
2049
2050 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
2051         int i, j, tileno, numpocs_tile;
2052         opj_cp_t *cp = NULL;
2053
2054         if(!j2k || !parameters || ! image) {
2055                 return;
2056         }
2057
2058         /* create and initialize the coding parameters structure */
2059         cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
2060
2061         /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
2062         j2k->cp = cp;
2063
2064         /* set default values for cp */
2065         cp->tw = 1;
2066         cp->th = 1;
2067
2068         /*
2069         copy user encoding parameters
2070         */
2071         cp->cinema = parameters->cp_cinema;
2072         cp->max_comp_size =     parameters->max_comp_size;
2073         cp->rsiz   = parameters->cp_rsiz;
2074         cp->disto_alloc = parameters->cp_disto_alloc;
2075         cp->fixed_alloc = parameters->cp_fixed_alloc;
2076         cp->fixed_quality = parameters->cp_fixed_quality;
2077
2078         /* mod fixed_quality */
2079         if(parameters->cp_matrice) {
2080                 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
2081                 cp->matrice = (int *) opj_malloc(array_size);
2082                 memcpy(cp->matrice, parameters->cp_matrice, array_size);
2083         }
2084
2085         /* tiles */
2086         cp->tdx = parameters->cp_tdx;
2087         cp->tdy = parameters->cp_tdy;
2088
2089         /* tile offset */
2090         cp->tx0 = parameters->cp_tx0;
2091         cp->ty0 = parameters->cp_ty0;
2092
2093         /* comment string */
2094         if(parameters->cp_comment) {
2095                 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2096                 if(cp->comment) {
2097                         strcpy(cp->comment, parameters->cp_comment);
2098                 }
2099         }
2100
2101         /*
2102         calculate other encoding parameters
2103         */
2104
2105         if (parameters->tile_size_on) {
2106                 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
2107                 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
2108         } else {
2109                 cp->tdx = image->x1 - cp->tx0;
2110                 cp->tdy = image->y1 - cp->ty0;
2111         }
2112
2113         if(parameters->tp_on){
2114                 cp->tp_flag = parameters->tp_flag;
2115                 cp->tp_on = 1;
2116         }
2117
2118         cp->img_size = 0;
2119         for(i=0;i<image->numcomps ;i++){
2120         cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2121         }
2122
2123
2124 #ifdef USE_JPWL
2125         /*
2126         calculate JPWL encoding parameters
2127         */
2128
2129         if (parameters->jpwl_epc_on) {
2130                 int i;
2131
2132                 /* set JPWL on */
2133                 cp->epc_on = OPJ_TRUE;
2134                 cp->info_on = OPJ_FALSE; /* no informative technique */
2135
2136                 /* set EPB on */
2137                 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2138                         cp->epb_on = OPJ_TRUE;
2139
2140                         cp->hprot_MH = parameters->jpwl_hprot_MH;
2141                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2142                                 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2143                                 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2144                         }
2145                         /* if tile specs are not specified, copy MH specs */
2146                         if (cp->hprot_TPH[0] == -1) {
2147                                 cp->hprot_TPH_tileno[0] = 0;
2148                                 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2149                         }
2150                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2151                                 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2152                                 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2153                                 cp->pprot[i] = parameters->jpwl_pprot[i];
2154                         }
2155                 }
2156
2157                 /* set ESD writing */
2158                 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2159                         cp->esd_on = OPJ_TRUE;
2160
2161                         cp->sens_size = parameters->jpwl_sens_size;
2162                         cp->sens_addr = parameters->jpwl_sens_addr;
2163                         cp->sens_range = parameters->jpwl_sens_range;
2164
2165                         cp->sens_MH = parameters->jpwl_sens_MH;
2166                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2167                                 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2168                                 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2169                         }
2170                 }
2171
2172                 /* always set RED writing to false: we are at the encoder */
2173                 cp->red_on = OPJ_FALSE;
2174
2175         } else {
2176                 cp->epc_on = OPJ_FALSE;
2177         }
2178 #endif /* USE_JPWL */
2179
2180
2181         /* initialize the mutiple tiles */
2182         /* ---------------------------- */
2183         cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2184
2185         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2186                 opj_tcp_t *tcp = &cp->tcps[tileno];
2187                 tcp->numlayers = parameters->tcp_numlayers;
2188                 for (j = 0; j < tcp->numlayers; j++) {
2189                         if(cp->cinema){
2190                                 if (cp->fixed_quality) {
2191                                         tcp->distoratio[j] = parameters->tcp_distoratio[j];
2192                                 }
2193                                 tcp->rates[j] = parameters->tcp_rates[j];
2194                         }else{
2195                                 if (cp->fixed_quality) {        /* add fixed_quality */
2196                                         tcp->distoratio[j] = parameters->tcp_distoratio[j];
2197                                 } else {
2198                                         tcp->rates[j] = parameters->tcp_rates[j];
2199                                 }
2200                         }
2201                 }
2202                 tcp->csty = parameters->csty;
2203                 tcp->prg = parameters->prog_order;
2204                 tcp->mct = parameters->tcp_mct;
2205
2206                 numpocs_tile = 0;
2207                 tcp->POC = 0;
2208                 if (parameters->numpocs) {
2209                         /* initialisation of POC */
2210                         tcp->POC = 1;
2211                         for (i = 0; i < parameters->numpocs; i++) {
2212                                 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2213                                         opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2214                                         tcp_poc->resno0         = parameters->POC[numpocs_tile].resno0;
2215                                         tcp_poc->compno0        = parameters->POC[numpocs_tile].compno0;
2216                                         tcp_poc->layno1         = parameters->POC[numpocs_tile].layno1;
2217                                         tcp_poc->resno1         = parameters->POC[numpocs_tile].resno1;
2218                                         tcp_poc->compno1        = parameters->POC[numpocs_tile].compno1;
2219                                         tcp_poc->prg1           = parameters->POC[numpocs_tile].prg1;
2220                                         tcp_poc->tile           = parameters->POC[numpocs_tile].tile;
2221                                         numpocs_tile++;
2222                                 }
2223                         }
2224                         tcp->numpocs = numpocs_tile -1 ;
2225                 }else{
2226                         tcp->numpocs = 0;
2227                 }
2228
2229                 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2230
2231                 for (i = 0; i < image->numcomps; i++) {
2232                         opj_tccp_t *tccp = &tcp->tccps[i];
2233                         tccp->csty = parameters->csty & 0x01;   /* 0 => one precinct || 1 => custom precinct  */
2234                         tccp->numresolutions = parameters->numresolution;
2235                         tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2236                         tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2237                         tccp->cblksty = parameters->mode;
2238                         tccp->qmfbid = parameters->irreversible ? 0 : 1;
2239                         tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2240                         tccp->numgbits = 2;
2241                         if (i == parameters->roi_compno) {
2242                                 tccp->roishift = parameters->roi_shift;
2243                         } else {
2244                                 tccp->roishift = 0;
2245                         }
2246
2247                         if(parameters->cp_cinema)
2248                         {
2249                                 /*Precinct size for lowest frequency subband=128*/
2250                                 tccp->prcw[0] = 7;
2251                                 tccp->prch[0] = 7;
2252                                 /*Precinct size at all other resolutions = 256*/
2253                                 for (j = 1; j < tccp->numresolutions; j++) {
2254                                         tccp->prcw[j] = 8;
2255                                         tccp->prch[j] = 8;
2256                                 }
2257                         }else{
2258                                 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2259                                         int p = 0;
2260                                         for (j = tccp->numresolutions - 1; j >= 0; j--) {
2261                                                 if (p < parameters->res_spec) {
2262
2263                                                         if (parameters->prcw_init[p] < 1) {
2264                                                                 tccp->prcw[j] = 1;
2265                                                         } else {
2266                                                                 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2267                                                         }
2268
2269                                                         if (parameters->prch_init[p] < 1) {
2270                                                                 tccp->prch[j] = 1;
2271                                                         }else {
2272                                                                 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2273                                                         }
2274
2275                                                 } else {
2276                                                         int res_spec = parameters->res_spec;
2277                                                         int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2278                                                         int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2279
2280                                                         if (size_prcw < 1) {
2281                                                                 tccp->prcw[j] = 1;
2282                                                         } else {
2283                                                                 tccp->prcw[j] = int_floorlog2(size_prcw);
2284                                                         }
2285
2286                                                         if (size_prch < 1) {
2287                                                                 tccp->prch[j] = 1;
2288                                                         } else {
2289                                                                 tccp->prch[j] = int_floorlog2(size_prch);
2290                                                         }
2291                                                 }
2292                                                 p++;
2293                                                 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2294                                         }       /*end for*/
2295                                 } else {
2296                                         for (j = 0; j < tccp->numresolutions; j++) {
2297                                                 tccp->prcw[j] = 15;
2298                                                 tccp->prch[j] = 15;
2299                                         }
2300                                 }
2301                         }
2302
2303                         dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2304                 }
2305         }
2306 }
2307
2308 opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2309         int tileno, compno;
2310         opj_cp_t *cp = NULL;
2311
2312         opj_tcd_t *tcd = NULL;  /* TCD component */
2313
2314         j2k->cio = cio;
2315         j2k->image = image;
2316
2317         cp = j2k->cp;
2318
2319         /* INDEX >> */
2320         j2k->cstr_info = cstr_info;
2321         if (cstr_info) {
2322                 int compno;
2323                 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2324                 cstr_info->image_w = image->x1 - image->x0;
2325                 cstr_info->image_h = image->y1 - image->y0;
2326                 cstr_info->prog = (&cp->tcps[0])->prg;
2327                 cstr_info->tw = cp->tw;
2328                 cstr_info->th = cp->th;
2329                 cstr_info->tile_x = cp->tdx;    /* new version parser */
2330                 cstr_info->tile_y = cp->tdy;    /* new version parser */
2331                 cstr_info->tile_Ox = cp->tx0;   /* new version parser */
2332                 cstr_info->tile_Oy = cp->ty0;   /* new version parser */
2333                 cstr_info->numcomps = image->numcomps;
2334                 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2335                 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2336                 for (compno=0; compno < image->numcomps; compno++) {
2337                         cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2338                 }
2339                 cstr_info->D_max = 0.0;         /* ADD Marcela */
2340                 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2341                 cstr_info->maxmarknum = 100;
2342                 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2343                 cstr_info->marknum = 0;
2344         }
2345         /* << INDEX */
2346
2347         j2k_write_soc(j2k);
2348         j2k_write_siz(j2k);
2349         j2k_write_cod(j2k);
2350         j2k_write_qcd(j2k);
2351
2352         if(cp->cinema){
2353                 for (compno = 1; compno < image->numcomps; compno++) {
2354                         j2k_write_coc(j2k, compno);
2355                         j2k_write_qcc(j2k, compno);
2356                 }
2357         }
2358
2359         for (compno = 0; compno < image->numcomps; compno++) {
2360                 opj_tcp_t *tcp = &cp->tcps[0];
2361                 if (tcp->tccps[compno].roishift)
2362                         j2k_write_rgn(j2k, compno, 0);
2363         }
2364         if (cp->comment != NULL) {
2365                 j2k_write_com(j2k);
2366         }
2367
2368         j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2369         /* TLM Marker*/
2370         if(cp->cinema){
2371                 j2k_write_tlm(j2k);
2372                 if (cp->cinema == CINEMA4K_24) {
2373                         j2k_write_poc(j2k);
2374                 }
2375         }
2376
2377         /* uncomment only for testing JPSEC marker writing */
2378         /* j2k_write_sec(j2k); */
2379
2380         /* INDEX >> */
2381         if(cstr_info) {
2382                 cstr_info->main_head_end = cio_tell(cio) - 1;
2383         }
2384         /* << INDEX */
2385         /**** Main Header ENDS here ***/
2386
2387         /* create the tile encoder */
2388         tcd = tcd_create(j2k->cinfo);
2389
2390         /* encode each tile */
2391         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2392                 int pino;
2393                 int tilepartno=0;
2394                 /* UniPG>> */
2395                 int acc_pack_num = 0;
2396                 /* <<UniPG */
2397
2398
2399                 opj_tcp_t *tcp = &cp->tcps[tileno];
2400                 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2401
2402                 j2k->curtileno = tileno;
2403                 j2k->cur_tp_num = 0;
2404                 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2405                 /* initialisation before tile encoding  */
2406                 if (tileno == 0) {
2407                         tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2408                 } else {
2409                         tcd_init_encode(tcd, image, cp, j2k->curtileno);
2410                 }
2411
2412                 /* INDEX >> */
2413                 if(cstr_info) {
2414                         cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2415                         cstr_info->tile[j2k->curtileno].maxmarknum = 10;
2416                         cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
2417                         cstr_info->tile[j2k->curtileno].marknum = 0;
2418                 }
2419                 /* << INDEX */
2420
2421                 for(pino = 0; pino <= tcp->numpocs; pino++) {
2422                         int tot_num_tp;
2423                         tcd->cur_pino=pino;
2424
2425                         /*Get number of tile parts*/
2426                         tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2427                         tcd->tp_pos = cp->tp_pos;
2428
2429                         for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2430                                 j2k->tp_num = tilepartno;
2431                                 /* INDEX >> */
2432                                 if(cstr_info)
2433                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2434                                         cio_tell(cio) + j2k->pos_correction;
2435                                 /* << INDEX */
2436                                 j2k_write_sot(j2k);
2437
2438                                 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2439                                         for (compno = 1; compno < image->numcomps; compno++) {
2440                                                 j2k_write_coc(j2k, compno);
2441                                                 j2k_write_qcc(j2k, compno);
2442                                         }
2443                                         if (cp->tcps[tileno].numpocs) {
2444                                                 j2k_write_poc(j2k);
2445                                         }
2446                                 }
2447
2448                                 /* INDEX >> */
2449                                 if(cstr_info)
2450                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2451                                         cio_tell(cio) + j2k->pos_correction + 1;
2452                                 /* << INDEX */
2453
2454                                 j2k_write_sod(j2k, tcd);
2455
2456                                 /* INDEX >> */
2457                                 if(cstr_info) {
2458                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2459                                                 cio_tell(cio) + j2k->pos_correction - 1;
2460                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2461                                                 acc_pack_num;
2462                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2463                                                 cstr_info->packno - acc_pack_num;
2464                                         acc_pack_num = cstr_info->packno;
2465                                 }
2466                                 /* << INDEX */
2467
2468                                 j2k->cur_tp_num++;
2469                         }
2470                 }
2471                 if(cstr_info) {
2472                         cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2473                 }
2474
2475
2476                 /*
2477                 if (tile->PPT) { // BAD PPT !!!
2478                 FILE *PPT_file;
2479                 int i;
2480                 PPT_file=fopen("PPT","rb");
2481                 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2482                 for (i=0;i<tile->len_ppt;i++) {
2483                 unsigned char elmt;
2484                 fread(&elmt, 1, 1, PPT_file);
2485                 fwrite(&elmt,1,1,f);
2486                 }
2487                 fclose(PPT_file);
2488                 unlink("PPT");
2489                 }
2490                 */
2491
2492         }
2493
2494         /* destroy the tile encoder */
2495         tcd_free_encode(tcd);
2496         tcd_destroy(tcd);
2497
2498         opj_free(j2k->cur_totnum_tp);
2499
2500         j2k_write_eoc(j2k);
2501
2502         if(cstr_info) {
2503                 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2504                 /* UniPG>> */
2505                 /* The following adjustment is done to adjust the codestream size */
2506                 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2507                 /* the first bunch of bytes is not in the codestream              */
2508                 cstr_info->codestream_size -= cstr_info->main_head_start;
2509                 /* <<UniPG */
2510         }
2511
2512 #ifdef USE_JPWL
2513         /*
2514         preparation of JPWL marker segments
2515         */
2516         if(cp->epc_on) {
2517
2518                 /* encode according to JPWL */
2519                 jpwl_encode(j2k, cio, image);
2520
2521         }
2522 #endif /* USE_JPWL */
2523
2524         return OPJ_TRUE;
2525 }
2526
2527 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2528
2529         if (!cstr_info)
2530                 return;
2531
2532         /* expand the list? */
2533         if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
2534                 cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
2535                 cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
2536         }
2537
2538         /* add the marker */
2539         cstr_info->marker[cstr_info->marknum].type = type;
2540         cstr_info->marker[cstr_info->marknum].pos = pos;
2541         cstr_info->marker[cstr_info->marknum].len = len;
2542         cstr_info->marknum++;
2543
2544 }
2545
2546 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2547
2548   opj_marker_info_t *marker;
2549
2550         if (!cstr_info)
2551                 return;
2552
2553         /* expand the list? */
2554         if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
2555                 cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
2556                 cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
2557         }
2558
2559         marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
2560
2561         /* add the marker */
2562         marker->type = type;
2563         marker->pos = pos;
2564         marker->len = len;
2565         cstr_info->tile[tileno].marknum++;
2566 }