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