libopenjpeg/pi.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 PI PI - Implementation of a packet iterator */
  36 /*@{*/
  37
  38 /** @name Local static functions */
  39 /*@{*/
  40
  41 /**
  42 Get next packet in layer-resolution-component-precinct order.
  43 @param pi packet iterator to modify
  44 @return returns false if pi pointed to the last packet or else returns true
  45 */
  46 static opj_bool pi_next_lrcp(opj_pi_iterator_t * pi);
  47 /**
  48 Get next packet in resolution-layer-component-precinct order.
  49 @param pi packet iterator to modify
  50 @return returns false if pi pointed to the last packet or else returns true
  51 */
  52 static opj_bool pi_next_rlcp(opj_pi_iterator_t * pi);
  53 /**
  54 Get next packet in resolution-precinct-component-layer order.
  55 @param pi packet iterator to modify
  56 @return returns false if pi pointed to the last packet or else returns true
  57 */
  58 static opj_bool pi_next_rpcl(opj_pi_iterator_t * pi);
  59 /**
  60 Get next packet in precinct-component-resolution-layer order.
  61 @param pi packet iterator to modify
  62 @return returns false if pi pointed to the last packet or else returns true
  63 */
  64 static opj_bool pi_next_pcrl(opj_pi_iterator_t * pi);
  65 /**
  66 Get next packet in component-precinct-resolution-layer order.
  67 @param pi packet iterator to modify
  68 @return returns false if pi pointed to the last packet or else returns true
  69 */
  70 static opj_bool pi_next_cprl(opj_pi_iterator_t * pi);
  71
  72
  73
  74 /**
  75  * Gets the encoding parameters needed to update the coding parameters and all the pocs.
  76  * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
  77  * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
  78  * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
  79  * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...
  80  *
  81  * @param       p_image                 the image being encoded.
  82  * @param       p_cp                    the coding parameters.
  83  * @param       tileno                  the tile index of the tile being encoded.
  84  * @param       p_tx0                   pointer that will hold the X0 parameter for the tile
  85  * @param       p_tx1                   pointer that will hold the X1 parameter for the tile
  86  * @param       p_ty0                   pointer that will hold the Y0 parameter for the tile
  87  * @param       p_ty1                   pointer that will hold the Y1 parameter for the tile
  88  * @param       p_max_prec              pointer that will hold the the maximum precision for all the bands of the tile
  89  * @param       p_max_res               pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
  90  * @param       dx_min                  pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
  91  * @param       dy_min                  pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
  92  * @param       p_resolutions   pointer to an area corresponding to the one described above.
  93  */
  94 void get_all_encoding_parameters(
  95                                                                 const opj_image_t *p_image,
  96                                                                 const opj_cp_v2_t *p_cp,
  97                                                                 OPJ_UINT32 tileno,
  98                                                                 OPJ_INT32 * p_tx0,
  99                                                                 OPJ_INT32 * p_tx1,
 100                                                                 OPJ_INT32 * p_ty0,
 101                                                                 OPJ_INT32 * p_ty1,
 102                                                                 OPJ_UINT32 * p_dx_min,
 103                                                                 OPJ_UINT32 * p_dy_min,
 104                                                                 OPJ_UINT32 * p_max_prec,
 105                                                                 OPJ_UINT32 * p_max_res,
 106                                                                 OPJ_UINT32 ** p_resolutions
 107                                                         );
 108
 109
 110 /**
 111  * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
 112  * No other data is set. The include section of the packet  iterator is not allocated.
 113  *
 114  * @param       p_image         the image used to initialize the packet iterator (in fact only the number of components is relevant.
 115  * @param       p_cp            the coding parameters.
 116  * @param       p_tile_no       the index of the tile from which creating the packet iterator.
 117  */
 118 opj_pi_iterator_t * pi_create(  const opj_image_t *image,
 119                                                                 const opj_cp_v2_t *cp,
 120                                                                 OPJ_UINT32 tileno );
 121
 122 void pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res);
 123 void pi_update_decode_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res);
 124
 125
 126 /*@}*/
 127
 128 /*@}*/
 129
 130 /*
 131 ==========================================================
 132    local functions
 133 ==========================================================
 134 */
 135
 136 static opj_bool pi_next_lrcp(opj_pi_iterator_t * pi) {
 137         opj_pi_comp_t *comp = NULL;
 138         opj_pi_resolution_t *res = NULL;
 139         long index = 0;
 140
 141         if (!pi->first) {
 142                 comp = &pi->comps[pi->compno];
 143                 res = &comp->resolutions[pi->resno];
 144                 goto LABEL_SKIP;
 145         } else {
 146                 pi->first = 0;
 147         }
 148
 149         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 150                 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
 151                 pi->resno++) {
 152                         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 153                                 comp = &pi->comps[pi->compno];
 154                                 if (pi->resno >= comp->numresolutions) {
 155                                         continue;
 156                                 }
 157                                 res = &comp->resolutions[pi->resno];
 158                                 if (!pi->tp_on){
 159                                         pi->poc.precno1 = res->pw * res->ph;
 160                                 }
 161                                 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
 162                                         index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 163                                         if (!pi->include[index]) {
 164                                                 pi->include[index] = 1;
 165                                                 return OPJ_TRUE;
 166                                         }
 167 LABEL_SKIP:;
 168                                 }
 169                         }
 170                 }
 171         }
 172
 173         return OPJ_FALSE;
 174 }
 175
 176 static opj_bool pi_next_rlcp(opj_pi_iterator_t * pi) {
 177         opj_pi_comp_t *comp = NULL;
 178         opj_pi_resolution_t *res = NULL;
 179         long index = 0;
 180
 181         if (!pi->first) {
 182                 comp = &pi->comps[pi->compno];
 183                 res = &comp->resolutions[pi->resno];
 184                 goto LABEL_SKIP;
 185         } else {
 186                 pi->first = 0;
 187         }
 188
 189         for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
 190                 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 191                         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 192                                 comp = &pi->comps[pi->compno];
 193                                 if (pi->resno >= comp->numresolutions) {
 194                                         continue;
 195                                 }
 196                                 res = &comp->resolutions[pi->resno];
 197                                 if(!pi->tp_on){
 198                                         pi->poc.precno1 = res->pw * res->ph;
 199                                 }
 200                                 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
 201                                         index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 202                                         if (!pi->include[index]) {
 203                                                 pi->include[index] = 1;
 204                                                 return OPJ_TRUE;
 205                                         }
 206 LABEL_SKIP:;
 207                                 }
 208                         }
 209                 }
 210         }
 211
 212         return OPJ_FALSE;
 213 }
 214
 215 static opj_bool pi_next_rpcl(opj_pi_iterator_t * pi) {
 216         opj_pi_comp_t *comp = NULL;
 217         opj_pi_resolution_t *res = NULL;
 218         long index = 0;
 219
 220         if (!pi->first) {
 221                 goto LABEL_SKIP;
 222         } else {
 223                 int compno, resno;
 224                 pi->first = 0;
 225                 pi->dx = 0;
 226                 pi->dy = 0;
 227                 for (compno = 0; compno < pi->numcomps; compno++) {
 228                         comp = &pi->comps[compno];
 229                         for (resno = 0; resno < comp->numresolutions; resno++) {
 230                                 int dx, dy;
 231                                 res = &comp->resolutions[resno];
 232                                 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 233                                 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 234                                 pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
 235                                 pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
 236                         }
 237                 }
 238         }
 239 if (!pi->tp_on){
 240                         pi->poc.ty0 = pi->ty0;
 241                         pi->poc.tx0 = pi->tx0;
 242                         pi->poc.ty1 = pi->ty1;
 243                         pi->poc.tx1 = pi->tx1;
 244                 }
 245         for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
 246                 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 247                         for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 248                                 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 249                                         int levelno;
 250                                         int trx0, try0;
 251                                         int trx1, try1;
 252                                         int rpx, rpy;
 253                                         int prci, prcj;
 254                                         comp = &pi->comps[pi->compno];
 255                                         if (pi->resno >= comp->numresolutions) {
 256                                                 continue;
 257                                         }
 258                                         res = &comp->resolutions[pi->resno];
 259                                         levelno = comp->numresolutions - 1 - pi->resno;
 260                                         trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
 261                                         try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
 262                                         trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
 263                                         try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
 264                                         rpx = res->pdx + levelno;
 265                                         rpy = res->pdy + levelno;
 266                                         if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 267                                                 continue;
 268                                         }
 269                                         if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 270                                                 continue;
 271                                         }
 272
 273                                         if ((res->pw==0)||(res->ph==0)) continue;
 274
 275                                         if ((trx0==trx1)||(try0==try1)) continue;
 276
 277                                         prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
 278                                                  - int_floordivpow2(trx0, res->pdx);
 279                                         prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
 280                                                  - int_floordivpow2(try0, res->pdy);
 281                                         pi->precno = prci + prcj * res->pw;
 282                                         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 283                                                 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 284                                                 if (!pi->include[index]) {
 285                                                         pi->include[index] = 1;
 286                                                         return OPJ_TRUE;
 287                                                 }
 288 LABEL_SKIP:;
 289                                         }
 290                                 }
 291                         }
 292                 }
 293         }
 294
 295         return OPJ_FALSE;
 296 }
 297
 298 static opj_bool pi_next_pcrl(opj_pi_iterator_t * pi) {
 299         opj_pi_comp_t *comp = NULL;
 300         opj_pi_resolution_t *res = NULL;
 301         long index = 0;
 302
 303         if (!pi->first) {
 304                 comp = &pi->comps[pi->compno];
 305                 goto LABEL_SKIP;
 306         } else {
 307                 int compno, resno;
 308                 pi->first = 0;
 309                 pi->dx = 0;
 310                 pi->dy = 0;
 311                 for (compno = 0; compno < pi->numcomps; compno++) {
 312                         comp = &pi->comps[compno];
 313                         for (resno = 0; resno < comp->numresolutions; resno++) {
 314                                 int dx, dy;
 315                                 res = &comp->resolutions[resno];
 316                                 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 317                                 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 318                                 pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
 319                                 pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
 320                         }
 321                 }
 322         }
 323         if (!pi->tp_on){
 324                         pi->poc.ty0 = pi->ty0;
 325                         pi->poc.tx0 = pi->tx0;
 326                         pi->poc.ty1 = pi->ty1;
 327                         pi->poc.tx1 = pi->tx1;
 328                 }
 329         for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 330                 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 331                         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 332                                 comp = &pi->comps[pi->compno];
 333                                 for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
 334                                         int levelno;
 335                                         int trx0, try0;
 336                                         int trx1, try1;
 337                                         int rpx, rpy;
 338                                         int prci, prcj;
 339                                         res = &comp->resolutions[pi->resno];
 340                                         levelno = comp->numresolutions - 1 - pi->resno;
 341                                         trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
 342                                         try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
 343                                         trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
 344                                         try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
 345                                         rpx = res->pdx + levelno;
 346                                         rpy = res->pdy + levelno;
 347                                         if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 348                                                 continue;
 349                                         }
 350                                         if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 351                                                 continue;
 352                                         }
 353
 354                                         if ((res->pw==0)||(res->ph==0)) continue;
 355
 356                                         if ((trx0==trx1)||(try0==try1)) continue;
 357
 358                                         prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
 359                                                  - int_floordivpow2(trx0, res->pdx);
 360                                         prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
 361                                                  - int_floordivpow2(try0, res->pdy);
 362                                         pi->precno = prci + prcj * res->pw;
 363                                         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 364                                                 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 365                                                 if (!pi->include[index]) {
 366                                                         pi->include[index] = 1;
 367                                                         return OPJ_TRUE;
 368                                                 }
 369 LABEL_SKIP:;
 370                                         }
 371                                 }
 372                         }
 373                 }
 374         }
 375
 376         return OPJ_FALSE;
 377 }
 378
 379 static opj_bool pi_next_cprl(opj_pi_iterator_t * pi) {
 380         opj_pi_comp_t *comp = NULL;
 381         opj_pi_resolution_t *res = NULL;
 382         long index = 0;
 383
 384         if (!pi->first) {
 385                 comp = &pi->comps[pi->compno];
 386                 goto LABEL_SKIP;
 387         } else {
 388                 pi->first = 0;
 389         }
 390
 391         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 392                 int resno;
 393                 comp = &pi->comps[pi->compno];
 394                 pi->dx = 0;
 395                 pi->dy = 0;
 396                 for (resno = 0; resno < comp->numresolutions; resno++) {
 397                         int dx, dy;
 398                         res = &comp->resolutions[resno];
 399                         dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 400                         dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 401                         pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
 402                         pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
 403                 }
 404                 if (!pi->tp_on){
 405                         pi->poc.ty0 = pi->ty0;
 406                         pi->poc.tx0 = pi->tx0;
 407                         pi->poc.ty1 = pi->ty1;
 408                         pi->poc.tx1 = pi->tx1;
 409                 }
 410                 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 411                         for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 412                                 for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
 413                                         int levelno;
 414                                         int trx0, try0;
 415                                         int trx1, try1;
 416                                         int rpx, rpy;
 417                                         int prci, prcj;
 418                                         res = &comp->resolutions[pi->resno];
 419                                         levelno = comp->numresolutions - 1 - pi->resno;
 420                                         trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
 421                                         try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
 422                                         trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
 423                                         try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
 424                                         rpx = res->pdx + levelno;
 425                                         rpy = res->pdy + levelno;
 426                                         if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 427                                                 continue;
 428                                         }
 429                                         if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 430                                                 continue;
 431                                         }
 432
 433                                         if ((res->pw==0)||(res->ph==0)) continue;
 434
 435                                         if ((trx0==trx1)||(try0==try1)) continue;
 436
 437                                         prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
 438                                                  - int_floordivpow2(trx0, res->pdx);
 439                                         prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
 440                                                  - int_floordivpow2(try0, res->pdy);
 441                                         pi->precno = prci + prcj * res->pw;
 442                                         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 443                                                 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 444                                                 if (!pi->include[index]) {
 445                                                         pi->include[index] = 1;
 446                                                         return OPJ_TRUE;
 447                                                 }
 448 LABEL_SKIP:;
 449                                         }
 450                                 }
 451                         }
 452                 }
 453         }
 454
 455         return OPJ_FALSE;
 456 }
 457
 458 /*
 459 ==========================================================
 460    Packet iterator interface
 461 ==========================================================
 462 */
 463
 464 opj_pi_iterator_t *pi_create_decode(opj_image_t *image, opj_cp_t *cp, int tileno) {
 465         int p, q;
 466         int compno, resno, pino;
 467         opj_pi_iterator_t *pi = NULL;
 468         opj_tcp_t *tcp = NULL;
 469         opj_tccp_t *tccp = NULL;
 470
 471         tcp = &cp->tcps[tileno];
 472
 473         pi = (opj_pi_iterator_t*) opj_calloc((tcp->numpocs + 1), sizeof(opj_pi_iterator_t));
 474         if(!pi) {
 475                 /* TODO: throw an error */
 476                 return NULL;
 477         }
 478
 479         for (pino = 0; pino < tcp->numpocs + 1; pino++) {       /* change */
 480                 int maxres = 0;
 481                 int maxprec = 0;
 482                 p = tileno % cp->tw;
 483                 q = tileno / cp->tw;
 484
 485                 pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 486                 pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 487                 pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 488                 pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 489                 pi[pino].numcomps = image->numcomps;
 490
 491                 pi[pino].comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
 492                 if(!pi[pino].comps) {
 493                         /* TODO: throw an error */
 494                         pi_destroy(pi, cp, tileno);
 495                         return NULL;
 496                 }
 497
 498                 for (compno = 0; compno < pi->numcomps; compno++) {
 499                         int tcx0, tcy0, tcx1, tcy1;
 500                         opj_pi_comp_t *comp = &pi[pino].comps[compno];
 501                         tccp = &tcp->tccps[compno];
 502                         comp->dx = image->comps[compno].dx;
 503                         comp->dy = image->comps[compno].dy;
 504                         comp->numresolutions = tccp->numresolutions;
 505
 506                         comp->resolutions = (opj_pi_resolution_t*) opj_calloc(comp->numresolutions, sizeof(opj_pi_resolution_t));
 507                         if(!comp->resolutions) {
 508                                 /* TODO: throw an error */
 509                                 pi_destroy(pi, cp, tileno);
 510                                 return NULL;
 511                         }
 512
 513                         tcx0 = int_ceildiv(pi->tx0, comp->dx);
 514                         tcy0 = int_ceildiv(pi->ty0, comp->dy);
 515                         tcx1 = int_ceildiv(pi->tx1, comp->dx);
 516                         tcy1 = int_ceildiv(pi->ty1, comp->dy);
 517                         if (comp->numresolutions > maxres) {
 518                                 maxres = comp->numresolutions;
 519                         }
 520
 521                         for (resno = 0; resno < comp->numresolutions; resno++) {
 522                                 int levelno;
 523                                 int rx0, ry0, rx1, ry1;
 524                                 int px0, py0, px1, py1;
 525                                 opj_pi_resolution_t *res = &comp->resolutions[resno];
 526                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 527                                         res->pdx = tccp->prcw[resno];
 528                                         res->pdy = tccp->prch[resno];
 529                                 } else {
 530                                         res->pdx = 15;
 531                                         res->pdy = 15;
 532                                 }
 533                                 levelno = comp->numresolutions - 1 - resno;
 534                                 rx0 = int_ceildivpow2(tcx0, levelno);
 535                                 ry0 = int_ceildivpow2(tcy0, levelno);
 536                                 rx1 = int_ceildivpow2(tcx1, levelno);
 537                                 ry1 = int_ceildivpow2(tcy1, levelno);
 538                                 px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
 539                                 py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
 540                                 px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
 541                                 py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
 542                                 res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx);
 543                                 res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy);
 544
 545                                 if (res->pw*res->ph > maxprec) {
 546                                         maxprec = res->pw*res->ph;
 547                                 }
 548
 549                         }
 550                 }
 551
 552                 tccp = &tcp->tccps[0];
 553                 pi[pino].step_p = 1;
 554                 pi[pino].step_c = maxprec * pi[pino].step_p;
 555                 pi[pino].step_r = image->numcomps * pi[pino].step_c;
 556                 pi[pino].step_l = maxres * pi[pino].step_r;
 557
 558                 if (pino == 0) {
 559                         pi[pino].include = (short int*) opj_calloc(image->numcomps * maxres * tcp->numlayers * maxprec, sizeof(short int));
 560                         if(!pi[pino].include) {
 561                                 /* TODO: throw an error */
 562                                 pi_destroy(pi, cp, tileno);
 563                                 return NULL;
 564                         }
 565                 }
 566                 else {
 567                         pi[pino].include = pi[pino - 1].include;
 568                 }
 569
 570                 if (tcp->POC == 0) {
 571                         pi[pino].first = 1;
 572                         pi[pino].poc.resno0 = 0;
 573                         pi[pino].poc.compno0 = 0;
 574                         pi[pino].poc.layno1 = tcp->numlayers;
 575                         pi[pino].poc.resno1 = maxres;
 576                         pi[pino].poc.compno1 = image->numcomps;
 577                         pi[pino].poc.prg = tcp->prg;
 578                 } else {
 579                         pi[pino].first = 1;
 580                         pi[pino].poc.resno0 = tcp->pocs[pino].resno0;
 581                         pi[pino].poc.compno0 = tcp->pocs[pino].compno0;
 582                         pi[pino].poc.layno1 = tcp->pocs[pino].layno1;
 583                         pi[pino].poc.resno1 = tcp->pocs[pino].resno1;
 584                         pi[pino].poc.compno1 = tcp->pocs[pino].compno1;
 585                         pi[pino].poc.prg = tcp->pocs[pino].prg;
 586                 }
 587                 pi[pino].poc.layno0  = 0;
 588                 pi[pino].poc.precno0 = 0;
 589                 pi[pino].poc.precno1 = maxprec;
 590
 591         }
 592
 593         return pi;
 594 }
 595
 596
 597 opj_pi_iterator_t *pi_create_decode_v2( opj_image_t *p_image,
 598                                                                                 opj_cp_v2_t *p_cp,
 599                                                                                 OPJ_UINT32 p_tile_no
 600                                                                                 )
 601 {
 602         // loop
 603         OPJ_UINT32 pino;
 604         OPJ_UINT32 compno, resno;
 605
 606         // to store w, h, dx and dy fro all components and resolutions
 607         OPJ_UINT32 * l_tmp_data;
 608         OPJ_UINT32 ** l_tmp_ptr;
 609
 610         // encoding prameters to set
 611         OPJ_UINT32 l_max_res;
 612         OPJ_UINT32 l_max_prec;
 613         OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
 614         OPJ_UINT32 l_dx_min,l_dy_min;
 615         OPJ_UINT32 l_bound;
 616         OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
 617         OPJ_UINT32 l_data_stride;
 618
 619         // pointers
 620         opj_pi_iterator_t *l_pi = 00;
 621         opj_tcp_v2_t *l_tcp = 00;
 622         const opj_tccp_t *l_tccp = 00;
 623         opj_pi_comp_t *l_current_comp = 00;
 624         opj_image_comp_t * l_img_comp = 00;
 625         opj_pi_iterator_t * l_current_pi = 00;
 626         OPJ_UINT32 * l_encoding_value_ptr = 00;
 627
 628         // preconditions in debug
 629         assert(p_cp != 00);
 630         assert(p_image != 00);
 631         assert(p_tile_no < p_cp->tw * p_cp->th);
 632
 633         // initializations
 634         l_tcp = &p_cp->tcps[p_tile_no];
 635         l_bound = l_tcp->numpocs+1;
 636
 637         l_data_stride = 4 * J2K_MAXRLVLS;
 638         l_tmp_data = (OPJ_UINT32*)opj_malloc(
 639                 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
 640         if
 641                 (! l_tmp_data)
 642         {
 643                 return 00;
 644         }
 645         l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
 646                 p_image->numcomps * sizeof(OPJ_UINT32 *));
 647         if
 648                 (! l_tmp_ptr)
 649         {
 650                 opj_free(l_tmp_data);
 651                 return 00;
 652         }
 653
 654         // memory allocation for pi
 655         l_pi = pi_create(p_image, p_cp, p_tile_no);
 656         if (!l_pi) {
 657                 opj_free(l_tmp_data);
 658                 opj_free(l_tmp_ptr);
 659                 return 00;
 660         }
 661
 662         l_encoding_value_ptr = l_tmp_data;
 663         // update pointer array
 664         for
 665                 (compno = 0; compno < p_image->numcomps; ++compno)
 666         {
 667                 l_tmp_ptr[compno] = l_encoding_value_ptr;
 668                 l_encoding_value_ptr += l_data_stride;
 669         }
 670         // get encoding parameters
 671         get_all_encoding_parameters(p_image,p_cp,p_tile_no,&l_tx0,&l_tx1,&l_ty0,&l_ty1,&l_dx_min,&l_dy_min,&l_max_prec,&l_max_res,l_tmp_ptr);
 672
 673         // step calculations
 674         l_step_p = 1;
 675         l_step_c = l_max_prec * l_step_p;
 676         l_step_r = p_image->numcomps * l_step_c;
 677         l_step_l = l_max_res * l_step_r;
 678
 679         // set values for first packet iterator
 680         l_current_pi = l_pi;
 681
 682         // memory allocation for include
 683         l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
 684         if
 685                 (!l_current_pi->include)
 686         {
 687                 opj_free(l_tmp_data);
 688                 opj_free(l_tmp_ptr);
 689                 pi_destroy_v2(l_pi, l_bound);
 690                 return 00;
 691         }
 692         memset(l_current_pi->include,0, (l_tcp->numlayers + 1) * l_step_l* sizeof(OPJ_INT16));
 693
 694         // special treatment for the first packet iterator
 695         l_current_comp = l_current_pi->comps;
 696         l_img_comp = p_image->comps;
 697         l_tccp = l_tcp->tccps;
 698
 699         l_current_pi->tx0 = l_tx0;
 700         l_current_pi->ty0 = l_ty0;
 701         l_current_pi->tx1 = l_tx1;
 702         l_current_pi->ty1 = l_ty1;
 703
 704         //l_current_pi->dx = l_img_comp->dx;
 705         //l_current_pi->dy = l_img_comp->dy;
 706
 707         l_current_pi->step_p = l_step_p;
 708         l_current_pi->step_c = l_step_c;
 709         l_current_pi->step_r = l_step_r;
 710         l_current_pi->step_l = l_step_l;
 711
 712         /* allocation for components and number of components has already been calculated by pi_create */
 713         for
 714                 (compno = 0; compno < l_current_pi->numcomps; ++compno)
 715         {
 716                 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
 717                 l_encoding_value_ptr = l_tmp_ptr[compno];
 718
 719                 l_current_comp->dx = l_img_comp->dx;
 720                 l_current_comp->dy = l_img_comp->dy;
 721                 /* resolutions have already been initialized */
 722                 for
 723                         (resno = 0; resno < l_current_comp->numresolutions; resno++)
 724                 {
 725                         l_res->pdx = *(l_encoding_value_ptr++);
 726                         l_res->pdy = *(l_encoding_value_ptr++);
 727                         l_res->pw =  *(l_encoding_value_ptr++);
 728                         l_res->ph =  *(l_encoding_value_ptr++);
 729                         ++l_res;
 730                 }
 731                 ++l_current_comp;
 732                 ++l_img_comp;
 733                 ++l_tccp;
 734         }
 735         ++l_current_pi;
 736
 737         for
 738                 (pino = 1 ; pino<l_bound ; ++pino )
 739         {
 740                 opj_pi_comp_t *l_current_comp = l_current_pi->comps;
 741                 opj_image_comp_t * l_img_comp = p_image->comps;
 742                 l_tccp = l_tcp->tccps;
 743
 744                 l_current_pi->tx0 = l_tx0;
 745                 l_current_pi->ty0 = l_ty0;
 746                 l_current_pi->tx1 = l_tx1;
 747                 l_current_pi->ty1 = l_ty1;
 748                 //l_current_pi->dx = l_dx_min;
 749                 //l_current_pi->dy = l_dy_min;
 750                 l_current_pi->step_p = l_step_p;
 751                 l_current_pi->step_c = l_step_c;
 752                 l_current_pi->step_r = l_step_r;
 753                 l_current_pi->step_l = l_step_l;
 754
 755                 /* allocation for components and number of components has already been calculated by pi_create */
 756                 for
 757                         (compno = 0; compno < l_current_pi->numcomps; ++compno)
 758                 {
 759                         opj_pi_resolution_t *l_res = l_current_comp->resolutions;
 760                         l_encoding_value_ptr = l_tmp_ptr[compno];
 761
 762                         l_current_comp->dx = l_img_comp->dx;
 763                         l_current_comp->dy = l_img_comp->dy;
 764                         /* resolutions have already been initialized */
 765                         for
 766                                 (resno = 0; resno < l_current_comp->numresolutions; resno++)
 767                         {
 768                                 l_res->pdx = *(l_encoding_value_ptr++);
 769                                 l_res->pdy = *(l_encoding_value_ptr++);
 770                                 l_res->pw =  *(l_encoding_value_ptr++);
 771                                 l_res->ph =  *(l_encoding_value_ptr++);
 772                                 ++l_res;
 773                         }
 774                         ++l_current_comp;
 775                         ++l_img_comp;
 776                         ++l_tccp;
 777                 }
 778                 // special treatment
 779                 l_current_pi->include = (l_current_pi-1)->include;
 780                 ++l_current_pi;
 781         }
 782         opj_free(l_tmp_data);
 783         l_tmp_data = 00;
 784         opj_free(l_tmp_ptr);
 785         l_tmp_ptr = 00;
 786         if
 787                 (l_tcp->POC)
 788         {
 789                 pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
 790         }
 791         else
 792         {
 793                 pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
 794         }
 795         return l_pi;
 796 }
 797
 798 opj_pi_iterator_t *pi_initialise_encode(opj_image_t *image, opj_cp_t *cp, int tileno, J2K_T2_MODE t2_mode){
 799         int p, q, pino;
 800         int compno, resno;
 801         int maxres = 0;
 802         int maxprec = 0;
 803         opj_pi_iterator_t *pi = NULL;
 804         opj_tcp_t *tcp = NULL;
 805         opj_tccp_t *tccp = NULL;
 806
 807         tcp = &cp->tcps[tileno];
 808
 809         pi = (opj_pi_iterator_t*) opj_calloc((tcp->numpocs + 1), sizeof(opj_pi_iterator_t));
 810         if(!pi) {       return NULL;}
 811         pi->tp_on = cp->tp_on;
 812
 813         for(pino = 0;pino < tcp->numpocs+1 ; pino ++){
 814                 p = tileno % cp->tw;
 815                 q = tileno / cp->tw;
 816
 817                 pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 818                 pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 819                 pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 820                 pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 821                 pi[pino].numcomps = image->numcomps;
 822
 823                 pi[pino].comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
 824                 if(!pi[pino].comps) {
 825                         pi_destroy(pi, cp, tileno);
 826                         return NULL;
 827                 }
 828
 829                 for (compno = 0; compno < pi[pino].numcomps; compno++) {
 830                         int tcx0, tcy0, tcx1, tcy1;
 831                         opj_pi_comp_t *comp = &pi[pino].comps[compno];
 832                         tccp = &tcp->tccps[compno];
 833                         comp->dx = image->comps[compno].dx;
 834                         comp->dy = image->comps[compno].dy;
 835                         comp->numresolutions = tccp->numresolutions;
 836
 837                         comp->resolutions = (opj_pi_resolution_t*) opj_malloc(comp->numresolutions * sizeof(opj_pi_resolution_t));
 838                         if(!comp->resolutions) {
 839                                 pi_destroy(pi, cp, tileno);
 840                                 return NULL;
 841                         }
 842
 843                         tcx0 = int_ceildiv(pi[pino].tx0, comp->dx);
 844                         tcy0 = int_ceildiv(pi[pino].ty0, comp->dy);
 845                         tcx1 = int_ceildiv(pi[pino].tx1, comp->dx);
 846                         tcy1 = int_ceildiv(pi[pino].ty1, comp->dy);
 847                         if (comp->numresolutions > maxres) {
 848                                 maxres = comp->numresolutions;
 849                         }
 850
 851                         for (resno = 0; resno < comp->numresolutions; resno++) {
 852                                 int levelno;
 853                                 int rx0, ry0, rx1, ry1;
 854                                 int px0, py0, px1, py1;
 855                                 opj_pi_resolution_t *res = &comp->resolutions[resno];
 856                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 857                                         res->pdx = tccp->prcw[resno];
 858                                         res->pdy = tccp->prch[resno];
 859                                 } else {
 860                                         res->pdx = 15;
 861                                         res->pdy = 15;
 862                                 }
 863                                 levelno = comp->numresolutions - 1 - resno;
 864                                 rx0 = int_ceildivpow2(tcx0, levelno);
 865                                 ry0 = int_ceildivpow2(tcy0, levelno);
 866                                 rx1 = int_ceildivpow2(tcx1, levelno);
 867                                 ry1 = int_ceildivpow2(tcy1, levelno);
 868                                 px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
 869                                 py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
 870                                 px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
 871                                 py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
 872                                 res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx);
 873                                 res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy);
 874
 875                                 if (res->pw*res->ph > maxprec) {
 876                                         maxprec = res->pw * res->ph;
 877                                 }
 878                         }
 879                 }
 880
 881                 tccp = &tcp->tccps[0];
 882                 pi[pino].step_p = 1;
 883                 pi[pino].step_c = maxprec * pi[pino].step_p;
 884                 pi[pino].step_r = image->numcomps * pi[pino].step_c;
 885                 pi[pino].step_l = maxres * pi[pino].step_r;
 886
 887                 for (compno = 0; compno < pi->numcomps; compno++) {
 888                         opj_pi_comp_t *comp = &pi->comps[compno];
 889                         for (resno = 0; resno < comp->numresolutions; resno++) {
 890                                 int dx, dy;
 891                                 opj_pi_resolution_t *res = &comp->resolutions[resno];
 892                                 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 893                                 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 894                                 pi[pino].dx = !pi->dx ? dx : int_min(pi->dx, dx);
 895                                 pi[pino].dy = !pi->dy ? dy : int_min(pi->dy, dy);
 896                         }
 897                 }
 898
 899                 if (pino == 0) {
 900                         pi[pino].include = (short int*) opj_calloc(tcp->numlayers * pi[pino].step_l, sizeof(short int));
 901                         if(!pi[pino].include) {
 902                                 pi_destroy(pi, cp, tileno);
 903                                 return NULL;
 904                         }
 905                 }
 906                 else {
 907                         pi[pino].include = pi[pino - 1].include;
 908                 }
 909
 910                 /* Generation of boundaries for each prog flag*/
 911                         if(tcp->POC && ( cp->cinema || ((!cp->cinema) && (t2_mode == FINAL_PASS)))){
 912                                 tcp->pocs[pino].compS= tcp->pocs[pino].compno0;
 913                                 tcp->pocs[pino].compE= tcp->pocs[pino].compno1;
 914                                 tcp->pocs[pino].resS = tcp->pocs[pino].resno0;
 915                                 tcp->pocs[pino].resE = tcp->pocs[pino].resno1;
 916                                 tcp->pocs[pino].layE = tcp->pocs[pino].layno1;
 917                                 tcp->pocs[pino].prg  = tcp->pocs[pino].prg1;
 918                                 if (pino > 0)
 919                                         tcp->pocs[pino].layS = (tcp->pocs[pino].layE > tcp->pocs[pino - 1].layE) ? tcp->pocs[pino - 1].layE : 0;
 920                         }else {
 921                                 tcp->pocs[pino].compS= 0;
 922                                 tcp->pocs[pino].compE= image->numcomps;
 923                                 tcp->pocs[pino].resS = 0;
 924                                 tcp->pocs[pino].resE = maxres;
 925                                 tcp->pocs[pino].layS = 0;
 926                                 tcp->pocs[pino].layE = tcp->numlayers;
 927                                 tcp->pocs[pino].prg  = tcp->prg;
 928                         }
 929                         tcp->pocs[pino].prcS = 0;
 930                         tcp->pocs[pino].prcE = maxprec;;
 931                         tcp->pocs[pino].txS = pi[pino].tx0;
 932                         tcp->pocs[pino].txE = pi[pino].tx1;
 933                         tcp->pocs[pino].tyS = pi[pino].ty0;
 934                         tcp->pocs[pino].tyE = pi[pino].ty1;
 935                         tcp->pocs[pino].dx = pi[pino].dx;
 936                         tcp->pocs[pino].dy = pi[pino].dy;
 937                 }
 938                         return pi;
 939         }
 940
 941
 942
 943 void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno) {
 944         int compno, pino;
 945         opj_tcp_t *tcp = &cp->tcps[tileno];
 946         if(pi) {
 947                 for (pino = 0; pino < tcp->numpocs + 1; pino++) {
 948                         if(pi[pino].comps) {
 949                                 for (compno = 0; compno < pi->numcomps; compno++) {
 950                                         opj_pi_comp_t *comp = &pi[pino].comps[compno];
 951                                         if(comp->resolutions) {
 952                                                 opj_free(comp->resolutions);
 953                                         }
 954                                 }
 955                                 opj_free(pi[pino].comps);
 956                         }
 957                 }
 958                 if(pi->include) {
 959                         opj_free(pi->include);
 960                 }
 961                 opj_free(pi);
 962         }
 963 }
 964
 965 opj_bool pi_next(opj_pi_iterator_t * pi) {
 966         switch (pi->poc.prg) {
 967                 case LRCP:
 968                         return pi_next_lrcp(pi);
 969                 case RLCP:
 970                         return pi_next_rlcp(pi);
 971                 case RPCL:
 972                         return pi_next_rpcl(pi);
 973                 case PCRL:
 974                         return pi_next_pcrl(pi);
 975                 case CPRL:
 976                         return pi_next_cprl(pi);
 977                 case PROG_UNKNOWN:
 978                         return OPJ_FALSE;
 979         }
 980
 981         return OPJ_FALSE;
 982 }
 983
 984 opj_bool pi_create_encode( opj_pi_iterator_t *pi, opj_cp_t *cp,int tileno, int pino,int tpnum, int tppos, J2K_T2_MODE t2_mode,int cur_totnum_tp){
 985         char prog[4];
 986         int i;
 987         int incr_top=1,resetX=0;
 988         opj_tcp_t *tcps =&cp->tcps[tileno];
 989         opj_poc_t *tcp= &tcps->pocs[pino];
 990
 991         pi[pino].first = 1;
 992         pi[pino].poc.prg = tcp->prg;
 993
 994         switch(tcp->prg){
 995                 case CPRL: strncpy(prog, "CPRL",4);
 996                         break;
 997                 case LRCP: strncpy(prog, "LRCP",4);
 998                         break;
 999                 case PCRL: strncpy(prog, "PCRL",4);
1000                         break;
1001                 case RLCP: strncpy(prog, "RLCP",4);
1002                         break;
1003                 case RPCL: strncpy(prog, "RPCL",4);
1004                         break;
1005                 case PROG_UNKNOWN:
1006                         return OPJ_TRUE;
1007         }
1008
1009         if(!(cp->tp_on && ((!cp->cinema && (t2_mode == FINAL_PASS)) || cp->cinema))){
1010                 pi[pino].poc.resno0 = tcp->resS;
1011                 pi[pino].poc.resno1 = tcp->resE;
1012                 pi[pino].poc.compno0 = tcp->compS;
1013                 pi[pino].poc.compno1 = tcp->compE;
1014                 pi[pino].poc.layno0 = tcp->layS;
1015                 pi[pino].poc.layno1 = tcp->layE;
1016                 pi[pino].poc.precno0 = tcp->prcS;
1017                 pi[pino].poc.precno1 = tcp->prcE;
1018                 pi[pino].poc.tx0 = tcp->txS;
1019                 pi[pino].poc.ty0 = tcp->tyS;
1020                 pi[pino].poc.tx1 = tcp->txE;
1021                 pi[pino].poc.ty1 = tcp->tyE;
1022         }else {
1023                 if( tpnum < cur_totnum_tp){
1024                         for(i=3;i>=0;i--){
1025                                 switch(prog[i]){
1026                                 case 'C':
1027                                         if (i > tppos){
1028                                                 pi[pino].poc.compno0 = tcp->compS;
1029                                                 pi[pino].poc.compno1 = tcp->compE;
1030                                         }else{
1031                                                 if (tpnum == 0){
1032                                                         tcp->comp_t = tcp->compS;
1033                                                         pi[pino].poc.compno0 = tcp->comp_t;
1034                                                         pi[pino].poc.compno1 = tcp->comp_t+1;
1035                                                         tcp->comp_t+=1;
1036                                                 }else{
1037                                                         if (incr_top == 1){
1038                                                                 if(tcp->comp_t ==tcp->compE){
1039                                                                         tcp->comp_t = tcp->compS;
1040                                                                         pi[pino].poc.compno0 = tcp->comp_t;
1041                                                                         pi[pino].poc.compno1 = tcp->comp_t+1;
1042                                                                         tcp->comp_t+=1;
1043                                                                         incr_top=1;
1044                                                                 }else{
1045                                                                         pi[pino].poc.compno0 = tcp->comp_t;
1046                                                                         pi[pino].poc.compno1 = tcp->comp_t+1;
1047                                                                         tcp->comp_t+=1;
1048                                                                         incr_top=0;
1049                                                                 }
1050                                                         }else{
1051                                                                 pi[pino].poc.compno0 = tcp->comp_t-1;
1052                                                                 pi[pino].poc.compno1 = tcp->comp_t;
1053                                                         }
1054                                                 }
1055                                         }
1056                                         break;
1057
1058                                 case 'R':
1059                                         if (i > tppos){
1060                                                 pi[pino].poc.resno0 = tcp->resS;
1061                                                 pi[pino].poc.resno1 = tcp->resE;
1062                                         }else{
1063                                                 if (tpnum == 0){
1064                                                         tcp->res_t = tcp->resS;
1065                                                         pi[pino].poc.resno0 = tcp->res_t;
1066                                                         pi[pino].poc.resno1 = tcp->res_t+1;
1067                                                         tcp->res_t+=1;
1068                                                 }else{
1069                                                         if (incr_top == 1){
1070                                                                 if(tcp->res_t==tcp->resE){
1071                                                                         tcp->res_t = tcp->resS;
1072                                                                         pi[pino].poc.resno0 = tcp->res_t;
1073                                                                         pi[pino].poc.resno1 = tcp->res_t+1;
1074                                                                         tcp->res_t+=1;
1075                                                                         incr_top=1;
1076                                                                 }else{
1077                                                                         pi[pino].poc.resno0 = tcp->res_t;
1078                                                                         pi[pino].poc.resno1 = tcp->res_t+1;
1079                                                                         tcp->res_t+=1;
1080                                                                         incr_top=0;
1081                                                                 }
1082                                                         }else{
1083                                                                 pi[pino].poc.resno0 = tcp->res_t - 1;
1084                                                                 pi[pino].poc.resno1 = tcp->res_t;
1085                                                         }
1086                                                 }
1087                                         }
1088                                         break;
1089
1090                                 case 'L':
1091                                         if (i > tppos){
1092                                                 pi[pino].poc.layno0 = tcp->layS;
1093                                                 pi[pino].poc.layno1 = tcp->layE;
1094                                         }else{
1095                                                 if (tpnum == 0){
1096                                                         tcp->lay_t = tcp->layS;
1097                                                         pi[pino].poc.layno0 = tcp->lay_t;
1098                                                         pi[pino].poc.layno1 = tcp->lay_t+1;
1099                                                         tcp->lay_t+=1;
1100                                                 }else{
1101                                                         if (incr_top == 1){
1102                                                                 if(tcp->lay_t == tcp->layE){
1103                                                                         tcp->lay_t = tcp->layS;
1104                                                                         pi[pino].poc.layno0 = tcp->lay_t;
1105                                                                         pi[pino].poc.layno1 = tcp->lay_t+1;
1106                                                                         tcp->lay_t+=1;
1107                                                                         incr_top=1;
1108                                                                 }else{
1109                                                                         pi[pino].poc.layno0 = tcp->lay_t;
1110                                                                         pi[pino].poc.layno1 = tcp->lay_t+1;
1111                                                                         tcp->lay_t+=1;
1112                                                                         incr_top=0;
1113                                                                 }
1114                                                         }else{
1115                                                                 pi[pino].poc.layno0 = tcp->lay_t - 1;
1116                                                                 pi[pino].poc.layno1 = tcp->lay_t;
1117                                                         }
1118                                                 }
1119                                         }
1120                                         break;
1121
1122                                 case 'P':
1123                                         switch(tcp->prg){
1124                                                 case LRCP:
1125                                                 case RLCP:
1126                                                         if (i > tppos){
1127                                                                 pi[pino].poc.precno0 = tcp->prcS;
1128                                                                 pi[pino].poc.precno1 = tcp->prcE;
1129                                                         }else{
1130                                                                 if (tpnum == 0){
1131                                                                         tcp->prc_t = tcp->prcS;
1132                                                                         pi[pino].poc.precno0 = tcp->prc_t;
1133                                                                         pi[pino].poc.precno1 = tcp->prc_t+1;
1134                                                                         tcp->prc_t+=1;
1135                                                                 }else{
1136                                                                         if (incr_top == 1){
1137                                                                                 if(tcp->prc_t == tcp->prcE){
1138                                                                                         tcp->prc_t = tcp->prcS;
1139                                                                                         pi[pino].poc.precno0 = tcp->prc_t;
1140                                                                                         pi[pino].poc.precno1 = tcp->prc_t+1;
1141                                                                                         tcp->prc_t+=1;
1142                                                                                         incr_top=1;
1143                                                                                 }else{
1144                                                                                         pi[pino].poc.precno0 = tcp->prc_t;
1145                                                                                         pi[pino].poc.precno1 = tcp->prc_t+1;
1146                                                                                         tcp->prc_t+=1;
1147                                                                                         incr_top=0;
1148                                                                                 }
1149                                                                         }else{
1150                                                                                 pi[pino].poc.precno0 = tcp->prc_t - 1;
1151                                                                                 pi[pino].poc.precno1 = tcp->prc_t;
1152                                                                         }
1153                                                                 }
1154                                                         }
1155                                                 break;
1156                                                 default:
1157                                                         if (i > tppos){
1158                                                                 pi[pino].poc.tx0 = tcp->txS;
1159                                                                 pi[pino].poc.ty0 = tcp->tyS;
1160                                                                 pi[pino].poc.tx1 = tcp->txE;
1161                                                                 pi[pino].poc.ty1 = tcp->tyE;
1162                                                         }else{
1163                                                                 if (tpnum == 0){
1164                                                                         tcp->tx0_t = tcp->txS;
1165                                                                         tcp->ty0_t = tcp->tyS;
1166                                                                         pi[pino].poc.tx0 = tcp->tx0_t;
1167                                                                         pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
1168                                                                         pi[pino].poc.ty0 = tcp->ty0_t;
1169                                                                         pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1170                                                                         tcp->tx0_t = pi[pino].poc.tx1;
1171                                                                         tcp->ty0_t = pi[pino].poc.ty1;
1172                                                                 }else{
1173                                                                         if (incr_top == 1){
1174                                                                                 if(tcp->tx0_t >= tcp->txE){
1175                                                                                         if(tcp->ty0_t >= tcp->tyE){
1176                                                                                                 tcp->ty0_t = tcp->tyS;
1177                                                                                                 pi[pino].poc.ty0 = tcp->ty0_t;
1178                                                                                                 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1179                                                                                                 tcp->ty0_t = pi[pino].poc.ty1;
1180                                                                                                 incr_top=1;resetX=1;
1181                                                                                         }else{
1182                                                                                                 pi[pino].poc.ty0 = tcp->ty0_t;
1183                                                                                                 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1184                                                                                                 tcp->ty0_t = pi[pino].poc.ty1;
1185                                                                                                 incr_top=0;resetX=1;
1186                                                                                         }
1187                                                                                         if(resetX==1){
1188                                                                                                 tcp->tx0_t = tcp->txS;
1189                                                                                                 pi[pino].poc.tx0 = tcp->tx0_t;
1190                                                                                                 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
1191                                                                                                 tcp->tx0_t = pi[pino].poc.tx1;
1192                                                                                         }
1193                                                                                 }else{
1194                                                                                         pi[pino].poc.tx0 = tcp->tx0_t;
1195                                                                                         pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
1196                                                                                         tcp->tx0_t = pi[pino].poc.tx1;
1197                                                                                         pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
1198                                                                                         pi[pino].poc.ty1 = tcp->ty0_t ;
1199                                                                                         incr_top=0;
1200                                                                                 }
1201                                                                         }else{
1202                                                                                 pi[pino].poc.tx0 = tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx);
1203                                                                                 pi[pino].poc.tx1 = tcp->tx0_t ;
1204                                                                                 pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
1205                                                                                 pi[pino].poc.ty1 = tcp->ty0_t ;
1206                                                                         }
1207                                                                 }
1208                                                         }
1209                                                 break;
1210                                                 }
1211                                                 break;
1212                                 }
1213                         }
1214                 }
1215         }
1216         return OPJ_FALSE;
1217 }
1218
1219
1220
1221 /**
1222  * Gets the encoding parameters needed to update the coding parameters and all the pocs.
1223  * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
1224  * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
1225  * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
1226  * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...
1227  *
1228  * @param       p_image                 the image being encoded.
1229  * @param       p_cp                    the coding parameters.
1230  * @param       tileno                  the tile index of the tile being encoded.
1231  * @param       p_tx0                   pointer that will hold the X0 parameter for the tile
1232  * @param       p_tx1                   pointer that will hold the X1 parameter for the tile
1233  * @param       p_ty0                   pointer that will hold the Y0 parameter for the tile
1234  * @param       p_ty1                   pointer that will hold the Y1 parameter for the tile
1235  * @param       p_max_prec              pointer that will hold the the maximum precision for all the bands of the tile
1236  * @param       p_max_res               pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
1237  * @param       dx_min                  pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
1238  * @param       dy_min                  pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
1239  * @param       p_resolutions   pointer to an area corresponding to the one described above.
1240  */
1241 void get_all_encoding_parameters(
1242                                                                 const opj_image_t *p_image,
1243                                                                 const opj_cp_v2_t *p_cp,
1244                                                                 OPJ_UINT32 tileno,
1245                                                                 OPJ_INT32 * p_tx0,
1246                                                                 OPJ_INT32 * p_tx1,
1247                                                                 OPJ_INT32 * p_ty0,
1248                                                                 OPJ_INT32 * p_ty1,
1249                                                                 OPJ_UINT32 * p_dx_min,
1250                                                                 OPJ_UINT32 * p_dy_min,
1251                                                                 OPJ_UINT32 * p_max_prec,
1252                                                                 OPJ_UINT32 * p_max_res,
1253                                                                 OPJ_UINT32 ** p_resolutions
1254                                                         )
1255 {
1256         // loop
1257         OPJ_UINT32 compno, resno;
1258
1259         // pointers
1260         const opj_tcp_v2_t *tcp = 00;
1261         const opj_tccp_t * l_tccp = 00;
1262         const opj_image_comp_t * l_img_comp = 00;
1263
1264         // to store l_dx, l_dy, w and h for each resolution and component.
1265         OPJ_UINT32 * lResolutionPtr;
1266
1267         // position in x and y of tile
1268         OPJ_UINT32 p, q;
1269
1270         // preconditions in debug
1271         assert(p_cp != 00);
1272         assert(p_image != 00);
1273         assert(tileno < p_cp->tw * p_cp->th);
1274
1275         // initializations
1276         tcp = &p_cp->tcps [tileno];
1277         l_tccp = tcp->tccps;
1278         l_img_comp = p_image->comps;
1279
1280         // position in x and y of tile
1281
1282         p = tileno % p_cp->tw;
1283         q = tileno / p_cp->tw;
1284
1285         /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
1286         *p_tx0 = int_max(p_cp->tx0 + p * p_cp->tdx, p_image->x0);
1287         *p_tx1 = int_min(p_cp->tx0 + (p + 1) * p_cp->tdx, p_image->x1);
1288         *p_ty0 = int_max(p_cp->ty0 + q * p_cp->tdy, p_image->y0);
1289         *p_ty1 = int_min(p_cp->ty0 + (q + 1) * p_cp->tdy, p_image->y1);
1290
1291         // max precision and resolution is 0 (can only grow)
1292         *p_max_prec = 0;
1293         *p_max_res = 0;
1294
1295         // take the largest value for dx_min and dy_min
1296         *p_dx_min = 0x7fffffff;
1297         *p_dy_min  = 0x7fffffff;
1298
1299         for
1300                 (compno = 0; compno < p_image->numcomps; ++compno)
1301         {
1302                 // aritmetic variables to calculate
1303                 OPJ_UINT32 l_level_no;
1304                 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
1305                 OPJ_INT32 l_px0, l_py0, l_px1, py1;
1306                 OPJ_UINT32 l_product;
1307                 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
1308                 OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph;
1309
1310                 lResolutionPtr = p_resolutions[compno];
1311
1312                 l_tcx0 = int_ceildiv(*p_tx0, l_img_comp->dx);
1313                 l_tcy0 = int_ceildiv(*p_ty0, l_img_comp->dy);
1314                 l_tcx1 = int_ceildiv(*p_tx1, l_img_comp->dx);
1315                 l_tcy1 = int_ceildiv(*p_ty1, l_img_comp->dy);
1316                 if
1317                         (l_tccp->numresolutions > *p_max_res)
1318                 {
1319                         *p_max_res = l_tccp->numresolutions;
1320                 }
1321
1322                 // use custom size for precincts
1323                 l_level_no = l_tccp->numresolutions - 1;
1324                 for
1325                         (resno = 0; resno < l_tccp->numresolutions; ++resno)
1326                 {
1327                         OPJ_UINT32 l_dx, l_dy;
1328                         // precinct width and height
1329                         l_pdx = l_tccp->prcw[resno];
1330                         l_pdy = l_tccp->prch[resno];
1331                         *lResolutionPtr++ = l_pdx;
1332                         *lResolutionPtr++ = l_pdy;
1333                         l_dx = l_img_comp->dx * (1 << (l_pdx + l_level_no));
1334                         l_dy = l_img_comp->dy * (1 << (l_pdy + l_level_no));
1335                         // take the minimum size for l_dx for each comp and resolution
1336                         *p_dx_min = int_min(*p_dx_min, l_dx);
1337                         *p_dy_min = int_min(*p_dy_min, l_dy);
1338                         // various calculations of extents
1339
1340                         l_rx0 = int_ceildivpow2(l_tcx0, l_level_no);
1341                         l_ry0 = int_ceildivpow2(l_tcy0, l_level_no);
1342                         l_rx1 = int_ceildivpow2(l_tcx1, l_level_no);
1343                         l_ry1 = int_ceildivpow2(l_tcy1, l_level_no);
1344                         l_px0 = int_floordivpow2(l_rx0, l_pdx) << l_pdx;
1345                         l_py0 = int_floordivpow2(l_ry0, l_pdy) << l_pdy;
1346                         l_px1 = int_ceildivpow2(l_rx1, l_pdx) << l_pdx;
1347                         py1 = int_ceildivpow2(l_ry1, l_pdy) << l_pdy;
1348                         l_pw = (l_rx0==l_rx1)?0:((l_px1 - l_px0) >> l_pdx);
1349                         l_ph = (l_ry0==l_ry1)?0:((py1 - l_py0) >> l_pdy);
1350                         *lResolutionPtr++ = l_pw;
1351                         *lResolutionPtr++ = l_ph;
1352                         l_product = l_pw * l_ph;
1353                         // update precision
1354                         if
1355                                 (l_product > *p_max_prec)
1356                         {
1357                                 *p_max_prec = l_product;
1358                         }
1359                         --l_level_no;
1360                 }
1361                 ++l_tccp;
1362                 ++l_img_comp;
1363         }
1364 }
1365
1366 /**
1367  * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
1368  * No other data is set. The include section of the packet  iterator is not allocated.
1369  *
1370  * @param       p_image         the image used to initialize the packet iterator (in fact only the number of components is relevant.
1371  * @param       p_cp            the coding parameters.
1372  * @param       p_tile_no       the index of the tile from which creating the packet iterator.
1373  */
1374 opj_pi_iterator_t * pi_create(  const opj_image_t *image,
1375                                                                 const opj_cp_v2_t *cp,
1376                                                                 OPJ_UINT32 tileno )
1377 {
1378         // loop
1379         OPJ_UINT32 pino, compno;
1380         // number of poc in the p_pi
1381         OPJ_UINT32 l_poc_bound;
1382
1383         // pointers to tile coding parameters and components.
1384         opj_pi_iterator_t *l_pi = 00;
1385         opj_tcp_v2_t *tcp = 00;
1386         const opj_tccp_t *tccp = 00;
1387
1388         // current packet iterator being allocated
1389         opj_pi_iterator_t *l_current_pi = 00;
1390
1391         // preconditions in debug
1392         assert(cp != 00);
1393         assert(image != 00);
1394         assert(tileno < cp->tw * cp->th);
1395
1396         // initializations
1397         tcp = &cp->tcps[tileno];
1398         l_poc_bound = tcp->numpocs+1;
1399
1400         // memory allocations
1401         l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
1402         if (!l_pi) {
1403                 return NULL;
1404         }
1405         memset(l_pi,0,l_poc_bound * sizeof(opj_pi_iterator_t));
1406
1407         l_current_pi = l_pi;
1408         for (pino = 0; pino < l_poc_bound ; ++pino) {
1409
1410                 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
1411                 if (! l_current_pi->comps) {
1412                         pi_destroy_v2(l_pi, l_poc_bound);
1413                         return NULL;
1414                 }
1415
1416                 l_current_pi->numcomps = image->numcomps;
1417                 memset(l_current_pi->comps,0,image->numcomps * sizeof(opj_pi_comp_t));
1418
1419                 for (compno = 0; compno < image->numcomps; ++compno) {
1420                         opj_pi_comp_t *comp = &l_current_pi->comps[compno];
1421
1422                         tccp = &tcp->tccps[compno];
1423
1424                         comp->resolutions = (opj_pi_resolution_t*) opj_malloc(tccp->numresolutions * sizeof(opj_pi_resolution_t));
1425                         if (!comp->resolutions) {
1426                                 pi_destroy_v2(l_pi, l_poc_bound);
1427                                 return 00;
1428                         }
1429
1430                         comp->numresolutions = tccp->numresolutions;
1431                         memset(comp->resolutions,0,tccp->numresolutions * sizeof(opj_pi_resolution_t));
1432                 }
1433                 ++l_current_pi;
1434         }
1435         return l_pi;
1436 }
1437
1438
1439
1440 /**
1441  * Destroys a packet iterator array.
1442  *
1443  * @param       p_pi                    the packet iterator array to destroy.
1444  * @param       p_nb_elements   the number of elements in the array.
1445  */
1446 void pi_destroy_v2(
1447                                 opj_pi_iterator_t *p_pi,
1448                                 OPJ_UINT32 p_nb_elements)
1449 {
1450         OPJ_UINT32 compno, pino;
1451         opj_pi_iterator_t *l_current_pi = p_pi;
1452         if
1453                 (p_pi)
1454         {
1455                 if
1456                         (p_pi->include)
1457                 {
1458                         opj_free(p_pi->include);
1459                         p_pi->include = 00;
1460                 }
1461                 // TODO
1462                 for
1463                         (pino = 0; pino < p_nb_elements; ++pino)
1464                 {
1465                         if
1466                                 (l_current_pi->comps)
1467                         {
1468                                 opj_pi_comp_t *l_current_component = l_current_pi->comps;
1469                                 for
1470                                         (compno = 0; compno < l_current_pi->numcomps; compno++)
1471                                 {
1472                                         if
1473                                                 (l_current_component->resolutions)
1474                                         {
1475                                                 opj_free(l_current_component->resolutions);
1476                                                 l_current_component->resolutions = 00;
1477                                         }
1478                                         ++l_current_component;
1479                                 }
1480                                 opj_free(l_current_pi->comps);
1481                                 l_current_pi->comps = 0;
1482                         }
1483                         ++l_current_pi;
1484                 }
1485                 opj_free(p_pi);
1486         }
1487 }
1488
1489
1490
1491 void pi_update_decode_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res)
1492 {
1493         // loop
1494         OPJ_UINT32 pino;
1495
1496         // encoding prameters to set
1497         OPJ_UINT32 l_bound;
1498
1499         opj_pi_iterator_t * l_current_pi = 00;
1500         opj_poc_t* l_current_poc = 0;
1501
1502         // preconditions in debug
1503         assert(p_pi != 00);
1504         assert(p_tcp != 00);
1505
1506         // initializations
1507         l_bound = p_tcp->numpocs+1;
1508         l_current_pi = p_pi;
1509         l_current_poc = p_tcp->pocs;
1510
1511         for
1512                 (pino = 0;pino<l_bound;++pino)
1513         {
1514                 l_current_pi->poc.prg = l_current_poc->prg;
1515                 l_current_pi->first = 1;
1516
1517                 l_current_pi->poc.resno0 = l_current_poc->resno0;
1518                 l_current_pi->poc.compno0 = l_current_poc->compno0;
1519                 l_current_pi->poc.layno0 = 0;
1520                 l_current_pi->poc.precno0 = 0;
1521                 l_current_pi->poc.resno1 = l_current_poc->resno1;
1522                 l_current_pi->poc.compno1 = l_current_poc->compno1;
1523                 l_current_pi->poc.layno1 = l_current_poc->layno1;
1524                 l_current_pi->poc.precno1 = p_max_precision;
1525                 ++l_current_pi;
1526                 ++l_current_poc;
1527         }
1528 }
1529
1530
1531 void pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res)
1532 {
1533         // loop
1534         OPJ_UINT32 pino;
1535
1536         // encoding prameters to set
1537         OPJ_UINT32 l_bound;
1538
1539         opj_pi_iterator_t * l_current_pi = 00;
1540         // preconditions in debug
1541         assert(p_tcp != 00);
1542         assert(p_pi != 00);
1543
1544         // initializations
1545         l_bound = p_tcp->numpocs+1;
1546         l_current_pi = p_pi;
1547
1548         for
1549                 (pino = 0;pino<l_bound;++pino)
1550         {
1551                 l_current_pi->poc.prg = p_tcp->prg;
1552                 l_current_pi->first = 1;
1553                 l_current_pi->poc.resno0 = 0;
1554                 l_current_pi->poc.compno0 = 0;
1555                 l_current_pi->poc.layno0 = 0;
1556                 l_current_pi->poc.precno0 = 0;
1557                 l_current_pi->poc.resno1 = p_max_res;
1558                 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1559                 l_current_pi->poc.layno1 = p_tcp->numlayers;
1560                 l_current_pi->poc.precno1 = p_max_precision;
1561                 ++l_current_pi;
1562         }
1563 }