QRScanner/mobile/jni/thirdparty/openjpeg/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 opj_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 opj_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 opj_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 opj_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 opj_pi_next_cprl(opj_pi_iterator_t * pi);
  71
  72 /**
  73  * Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used).
  74  *
  75  * @param       p_cp            the coding parameters to modify
  76  * @param       p_tileno        the tile index being concerned.
  77  * @param       p_tx0           X0 parameter for the tile
  78  * @param       p_tx1           X1 parameter for the tile
  79  * @param       p_ty0           Y0 parameter for the tile
  80  * @param       p_ty1           Y1 parameter for the tile
  81  * @param       p_max_prec      the maximum precision for all the bands of the tile
  82  * @param       p_max_res       the maximum number of resolutions for all the poc inside the tile.
  83  * @param       p_dx_min                the minimum dx of all the components of all the resolutions for the tile.
  84  * @param       p_dy_min                the minimum dy of all the components of all the resolutions for the tile.
  85  */
  86 static void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
  87                                                  OPJ_UINT32 p_tileno,
  88                                                  OPJ_INT32 p_tx0,
  89                                                  OPJ_INT32 p_tx1,
  90                                                  OPJ_INT32 p_ty0,
  91                                                  OPJ_INT32 p_ty1,
  92                                                  OPJ_UINT32 p_max_prec,
  93                                                  OPJ_UINT32 p_max_res,
  94                                                  OPJ_UINT32 p_dx_min,
  95                                                  OPJ_UINT32 p_dy_min);
  96
  97 /**
  98  * Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used).
  99  *
 100  * @param       p_cp            the coding parameters to modify
 101  * @param       p_num_comps             the number of components
 102  * @param       p_tileno        the tile index being concerned.
 103  * @param       p_tx0           X0 parameter for the tile
 104  * @param       p_tx1           X1 parameter for the tile
 105  * @param       p_ty0           Y0 parameter for the tile
 106  * @param       p_ty1           Y1 parameter for the tile
 107  * @param       p_max_prec      the maximum precision for all the bands of the tile
 108  * @param       p_max_res       the maximum number of resolutions for all the poc inside the tile.
 109  * @param       p_dx_min                the minimum dx of all the components of all the resolutions for the tile.
 110  * @param       p_dy_min                the minimum dy of all the components of all the resolutions for the tile.
 111  */
 112 static void opj_pi_update_encode_not_poc (  opj_cp_t *p_cp,
 113                                             OPJ_UINT32 p_num_comps,
 114                                             OPJ_UINT32 p_tileno,
 115                                             OPJ_INT32 p_tx0,
 116                                             OPJ_INT32 p_tx1,
 117                                             OPJ_INT32 p_ty0,
 118                                             OPJ_INT32 p_ty1,
 119                                             OPJ_UINT32 p_max_prec,
 120                                             OPJ_UINT32 p_max_res,
 121                                             OPJ_UINT32 p_dx_min,
 122                                             OPJ_UINT32 p_dy_min);
 123 /**
 124  * Gets the encoding parameters needed to update the coding parameters and all the pocs.
 125  *
 126  * @param       p_image                 the image being encoded.
 127  * @param       p_cp                    the coding parameters.
 128  * @param       tileno                  the tile index of the tile being encoded.
 129  * @param       p_tx0                   pointer that will hold the X0 parameter for the tile
 130  * @param       p_tx1                   pointer that will hold the X1 parameter for the tile
 131  * @param       p_ty0                   pointer that will hold the Y0 parameter for the tile
 132  * @param       p_ty1                   pointer that will hold the Y1 parameter for the tile
 133  * @param       p_max_prec              pointer that will hold the the maximum precision for all the bands of the tile
 134  * @param       p_max_res               pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
 135  * @param       p_dx_min                        pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
 136  * @param       p_dy_min                        pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
 137  */
 138 static void opj_get_encoding_parameters(const opj_image_t *p_image,
 139                                         const opj_cp_t *p_cp,
 140                                         OPJ_UINT32  tileno,
 141                                         OPJ_INT32  * p_tx0,
 142                                         OPJ_INT32 * p_tx1,
 143                                         OPJ_INT32 * p_ty0,
 144                                         OPJ_INT32 * p_ty1,
 145                                         OPJ_UINT32 * p_dx_min,
 146                                         OPJ_UINT32 * p_dy_min,
 147                                         OPJ_UINT32 * p_max_prec,
 148                                         OPJ_UINT32 * p_max_res );
 149
 150 /**
 151  * Gets the encoding parameters needed to update the coding parameters and all the pocs.
 152  * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
 153  * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
 154  * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
 155  * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...
 156  *
 157  * @param       p_image                 the image being encoded.
 158  * @param       p_cp                    the coding parameters.
 159  * @param       tileno                  the tile index of the tile being encoded.
 160  * @param       p_tx0                   pointer that will hold the X0 parameter for the tile
 161  * @param       p_tx1                   pointer that will hold the X1 parameter for the tile
 162  * @param       p_ty0                   pointer that will hold the Y0 parameter for the tile
 163  * @param       p_ty1                   pointer that will hold the Y1 parameter for the tile
 164  * @param       p_max_prec              pointer that will hold the the maximum precision for all the bands of the tile
 165  * @param       p_max_res               pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
 166  * @param       p_dx_min                pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
 167  * @param       p_dy_min                pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
 168  * @param       p_resolutions   pointer to an area corresponding to the one described above.
 169  */
 170 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
 171                                             const opj_cp_t *p_cp,
 172                                             OPJ_UINT32 tileno,
 173                                             OPJ_INT32 * p_tx0,
 174                                             OPJ_INT32 * p_tx1,
 175                                             OPJ_INT32 * p_ty0,
 176                                             OPJ_INT32 * p_ty1,
 177                                             OPJ_UINT32 * p_dx_min,
 178                                             OPJ_UINT32 * p_dy_min,
 179                                             OPJ_UINT32 * p_max_prec,
 180                                             OPJ_UINT32 * p_max_res,
 181                                             OPJ_UINT32 ** p_resolutions );
 182 /**
 183  * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
 184  * No other data is set. The include section of the packet  iterator is not allocated.
 185  *
 186  * @param       p_image         the image used to initialize the packet iterator (in fact only the number of components is relevant.
 187  * @param       p_cp            the coding parameters.
 188  * @param       tileno  the index of the tile from which creating the packet iterator.
 189  */
 190 static opj_pi_iterator_t * opj_pi_create(       const opj_image_t *p_image,
 191                                             const opj_cp_t *p_cp,
 192                                             OPJ_UINT32 tileno );
 193 /**
 194  * FIXME DOC
 195  */
 196 static void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
 197                                           opj_tcp_t * p_tcp,
 198                                           OPJ_UINT32 p_max_precision,
 199                                           OPJ_UINT32 p_max_res);
 200 /**
 201  * FIXME DOC
 202  */
 203 static void opj_pi_update_decode_poc (  opj_pi_iterator_t * p_pi,
 204                                         opj_tcp_t * p_tcp,
 205                                         OPJ_UINT32 p_max_precision,
 206                                         OPJ_UINT32 p_max_res);
 207
 208 /**
 209  * FIXME DOC
 210  */
 211 OPJ_BOOL opj_pi_check_next_level(       OPJ_INT32 pos,
 212                                                                 opj_cp_t *cp,
 213                                                                 OPJ_UINT32 tileno,
 214                                                                 OPJ_UINT32 pino,
 215                                                                 const OPJ_CHAR *prog);
 216
 217 /*@}*/
 218
 219 /*@}*/
 220
 221 /*
 222 ==========================================================
 223    local functions
 224 ==========================================================
 225 */
 226
 227 OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi) {
 228         opj_pi_comp_t *comp = NULL;
 229         opj_pi_resolution_t *res = NULL;
 230         OPJ_UINT32 index = 0;
 231
 232         if (!pi->first) {
 233                 comp = &pi->comps[pi->compno];
 234                 res = &comp->resolutions[pi->resno];
 235                 goto LABEL_SKIP;
 236         } else {
 237                 pi->first = 0;
 238         }
 239
 240         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 241                 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
 242                 pi->resno++) {
 243                         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 244                                 comp = &pi->comps[pi->compno];
 245                                 if (pi->resno >= comp->numresolutions) {
 246                                         continue;
 247                                 }
 248                                 res = &comp->resolutions[pi->resno];
 249                                 if (!pi->tp_on){
 250                                         pi->poc.precno1 = res->pw * res->ph;
 251                                 }
 252                                 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
 253                                         index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 254                                         if (!pi->include[index]) {
 255                                                 pi->include[index] = 1;
 256                                                 return OPJ_TRUE;
 257                                         }
 258 LABEL_SKIP:;
 259                                 }
 260                         }
 261                 }
 262         }
 263
 264         return OPJ_FALSE;
 265 }
 266
 267 OPJ_BOOL opj_pi_next_rlcp(opj_pi_iterator_t * pi) {
 268         opj_pi_comp_t *comp = NULL;
 269         opj_pi_resolution_t *res = NULL;
 270         OPJ_UINT32 index = 0;
 271
 272         if (!pi->first) {
 273                 comp = &pi->comps[pi->compno];
 274                 res = &comp->resolutions[pi->resno];
 275                 goto LABEL_SKIP;
 276         } else {
 277                 pi->first = 0;
 278         }
 279
 280         for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
 281                 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 282                         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 283                                 comp = &pi->comps[pi->compno];
 284                                 if (pi->resno >= comp->numresolutions) {
 285                                         continue;
 286                                 }
 287                                 res = &comp->resolutions[pi->resno];
 288                                 if(!pi->tp_on){
 289                                         pi->poc.precno1 = res->pw * res->ph;
 290                                 }
 291                                 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
 292                                         index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 293                                         if (!pi->include[index]) {
 294                                                 pi->include[index] = 1;
 295                                                 return OPJ_TRUE;
 296                                         }
 297 LABEL_SKIP:;
 298                                 }
 299                         }
 300                 }
 301         }
 302
 303         return OPJ_FALSE;
 304 }
 305
 306 OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi) {
 307         opj_pi_comp_t *comp = NULL;
 308         opj_pi_resolution_t *res = NULL;
 309         OPJ_UINT32 index = 0;
 310
 311         if (!pi->first) {
 312                 goto LABEL_SKIP;
 313         } else {
 314                 OPJ_UINT32 compno, resno;
 315                 pi->first = 0;
 316                 pi->dx = 0;
 317                 pi->dy = 0;
 318                 for (compno = 0; compno < pi->numcomps; compno++) {
 319                         comp = &pi->comps[compno];
 320                         for (resno = 0; resno < comp->numresolutions; resno++) {
 321                                 OPJ_UINT32 dx, dy;
 322                                 res = &comp->resolutions[resno];
 323                                 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 324                                 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 325                                 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
 326                                 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
 327                         }
 328                 }
 329         }
 330 if (!pi->tp_on){
 331                         pi->poc.ty0 = pi->ty0;
 332                         pi->poc.tx0 = pi->tx0;
 333                         pi->poc.ty1 = pi->ty1;
 334                         pi->poc.tx1 = pi->tx1;
 335                 }
 336         for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
 337                 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 338                         for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 339                                 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 340                                         OPJ_UINT32 levelno;
 341                                         OPJ_INT32 trx0, try0;
 342                                         OPJ_INT32  trx1, try1;
 343                                         OPJ_UINT32  rpx, rpy;
 344                                         OPJ_INT32  prci, prcj;
 345                                         comp = &pi->comps[pi->compno];
 346                                         if (pi->resno >= comp->numresolutions) {
 347                                                 continue;
 348                                         }
 349                                         res = &comp->resolutions[pi->resno];
 350                                         levelno = comp->numresolutions - 1 - pi->resno;
 351                                         trx0 = opj_int_ceildiv(pi->tx0, comp->dx << levelno);
 352                                         try0 = opj_int_ceildiv(pi->ty0, comp->dy << levelno);
 353                                         trx1 = opj_int_ceildiv(pi->tx1, comp->dx << levelno);
 354                                         try1 = opj_int_ceildiv(pi->ty1, comp->dy << levelno);
 355                                         rpx = res->pdx + levelno;
 356                                         rpy = res->pdy + levelno;
 357                                         if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 358                                                 continue;
 359                                         }
 360                                         if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 361                                                 continue;
 362                                         }
 363
 364                                         if ((res->pw==0)||(res->ph==0)) continue;
 365
 366                                         if ((trx0==trx1)||(try0==try1)) continue;
 367
 368                                         prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
 369                                                  - opj_int_floordivpow2(trx0, res->pdx);
 370                                         prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
 371                                                  - opj_int_floordivpow2(try0, res->pdy);
 372                                         pi->precno = prci + prcj * res->pw;
 373                                         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 374                                                 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 375                                                 if (!pi->include[index]) {
 376                                                         pi->include[index] = 1;
 377                                                         return OPJ_TRUE;
 378                                                 }
 379 LABEL_SKIP:;
 380                                         }
 381                                 }
 382                         }
 383                 }
 384         }
 385
 386         return OPJ_FALSE;
 387 }
 388
 389 OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi) {
 390         opj_pi_comp_t *comp = NULL;
 391         opj_pi_resolution_t *res = NULL;
 392         OPJ_UINT32 index = 0;
 393
 394         if (!pi->first) {
 395                 comp = &pi->comps[pi->compno];
 396                 goto LABEL_SKIP;
 397         } else {
 398                 OPJ_UINT32 compno, resno;
 399                 pi->first = 0;
 400                 pi->dx = 0;
 401                 pi->dy = 0;
 402                 for (compno = 0; compno < pi->numcomps; compno++) {
 403                         comp = &pi->comps[compno];
 404                         for (resno = 0; resno < comp->numresolutions; resno++) {
 405                                 OPJ_UINT32 dx, dy;
 406                                 res = &comp->resolutions[resno];
 407                                 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 408                                 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 409                                 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
 410                                 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
 411                         }
 412                 }
 413         }
 414         if (!pi->tp_on){
 415                         pi->poc.ty0 = pi->ty0;
 416                         pi->poc.tx0 = pi->tx0;
 417                         pi->poc.ty1 = pi->ty1;
 418                         pi->poc.tx1 = pi->tx1;
 419                 }
 420         for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 421                 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 422                         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 423                                 comp = &pi->comps[pi->compno];
 424                                 for (pi->resno = pi->poc.resno0; pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
 425                                         OPJ_UINT32 levelno;
 426                                         OPJ_INT32 trx0, try0;
 427                                         OPJ_INT32 trx1, try1;
 428                                         OPJ_UINT32 rpx, rpy;
 429                                         OPJ_INT32 prci, prcj;
 430                                         res = &comp->resolutions[pi->resno];
 431                                         levelno = comp->numresolutions - 1 - pi->resno;
 432                                         trx0 = opj_int_ceildiv(pi->tx0, comp->dx << levelno);
 433                                         try0 = opj_int_ceildiv(pi->ty0, comp->dy << levelno);
 434                                         trx1 = opj_int_ceildiv(pi->tx1, comp->dx << levelno);
 435                                         try1 = opj_int_ceildiv(pi->ty1, comp->dy << levelno);
 436                                         rpx = res->pdx + levelno;
 437                                         rpy = res->pdy + levelno;
 438                                         if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 439                                                 continue;
 440                                         }
 441                                         if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 442                                                 continue;
 443                                         }
 444
 445                                         if ((res->pw==0)||(res->ph==0)) continue;
 446
 447                                         if ((trx0==trx1)||(try0==try1)) continue;
 448
 449                                         prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
 450                                                  - opj_int_floordivpow2(trx0, res->pdx);
 451                                         prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
 452                                                  - opj_int_floordivpow2(try0, res->pdy);
 453                                         pi->precno = prci + prcj * res->pw;
 454                                         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 455                                                 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 456                                                 if (!pi->include[index]) {
 457                                                         pi->include[index] = 1;
 458                                                         return OPJ_TRUE;
 459                                                 }
 460 LABEL_SKIP:;
 461                                         }
 462                                 }
 463                         }
 464                 }
 465         }
 466
 467         return OPJ_FALSE;
 468 }
 469
 470 OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi) {
 471         opj_pi_comp_t *comp = NULL;
 472         opj_pi_resolution_t *res = NULL;
 473         OPJ_UINT32 index = 0;
 474
 475         if (!pi->first) {
 476                 comp = &pi->comps[pi->compno];
 477                 goto LABEL_SKIP;
 478         } else {
 479                 pi->first = 0;
 480         }
 481
 482         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 483                 OPJ_UINT32 resno;
 484                 comp = &pi->comps[pi->compno];
 485                 pi->dx = 0;
 486                 pi->dy = 0;
 487                 for (resno = 0; resno < comp->numresolutions; resno++) {
 488                         OPJ_UINT32 dx, dy;
 489                         res = &comp->resolutions[resno];
 490                         dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 491                         dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 492                         pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
 493                         pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
 494                 }
 495                 if (!pi->tp_on){
 496                         pi->poc.ty0 = pi->ty0;
 497                         pi->poc.tx0 = pi->tx0;
 498                         pi->poc.ty1 = pi->ty1;
 499                         pi->poc.tx1 = pi->tx1;
 500                 }
 501                 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 502                         for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 503                                 for (pi->resno = pi->poc.resno0; pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
 504                                         OPJ_UINT32 levelno;
 505                                         OPJ_INT32 trx0, try0;
 506                                         OPJ_INT32 trx1, try1;
 507                                         OPJ_UINT32 rpx, rpy;
 508                                         OPJ_INT32 prci, prcj;
 509                                         res = &comp->resolutions[pi->resno];
 510                                         levelno = comp->numresolutions - 1 - pi->resno;
 511                                         trx0 = opj_int_ceildiv(pi->tx0, comp->dx << levelno);
 512                                         try0 = opj_int_ceildiv(pi->ty0, comp->dy << levelno);
 513                                         trx1 = opj_int_ceildiv(pi->tx1, comp->dx << levelno);
 514                                         try1 = opj_int_ceildiv(pi->ty1, comp->dy << levelno);
 515                                         rpx = res->pdx + levelno;
 516                                         rpy = res->pdy + levelno;
 517                                         if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 518                                                 continue;
 519                                         }
 520                                         if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 521                                                 continue;
 522                                         }
 523
 524                                         if ((res->pw==0)||(res->ph==0)) continue;
 525
 526                                         if ((trx0==trx1)||(try0==try1)) continue;
 527
 528                                         prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
 529                                                  - opj_int_floordivpow2(trx0, res->pdx);
 530                                         prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
 531                                                  - opj_int_floordivpow2(try0, res->pdy);
 532                                         pi->precno = prci + prcj * res->pw;
 533                                         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 534                                                 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 535                                                 if (!pi->include[index]) {
 536                                                         pi->include[index] = 1;
 537                                                         return OPJ_TRUE;
 538                                                 }
 539 LABEL_SKIP:;
 540                                         }
 541                                 }
 542                         }
 543                 }
 544         }
 545
 546         return OPJ_FALSE;
 547 }
 548
 549 void opj_get_encoding_parameters(       const opj_image_t *p_image,
 550                                     const opj_cp_t *p_cp,
 551                                     OPJ_UINT32 p_tileno,
 552                                     OPJ_INT32 * p_tx0,
 553                                     OPJ_INT32  * p_tx1,
 554                                     OPJ_INT32  * p_ty0,
 555                                     OPJ_INT32  * p_ty1,
 556                                     OPJ_UINT32 * p_dx_min,
 557                                     OPJ_UINT32 * p_dy_min,
 558                                     OPJ_UINT32 * p_max_prec,
 559                                     OPJ_UINT32 * p_max_res )
 560 {
 561         /* loop */
 562         OPJ_UINT32  compno, resno;
 563         /* pointers */
 564         const opj_tcp_t *l_tcp = 00;
 565         const opj_tccp_t * l_tccp = 00;
 566         const opj_image_comp_t * l_img_comp = 00;
 567
 568         /* position in x and y of tile */
 569         OPJ_UINT32 p, q;
 570
 571         /* preconditions */
 572         assert(p_cp != 00);
 573         assert(p_image != 00);
 574         assert(p_tileno < p_cp->tw * p_cp->th);
 575
 576         /* initializations */
 577         l_tcp = &p_cp->tcps [p_tileno];
 578         l_img_comp = p_image->comps;
 579         l_tccp = l_tcp->tccps;
 580
 581         /* here calculation of tx0, tx1, ty0, ty1, maxprec, dx and dy */
 582         p = p_tileno % p_cp->tw;
 583         q = p_tileno / p_cp->tw;
 584
 585         /* find extent of tile */
 586         *p_tx0 = opj_int_max(p_cp->tx0 + p * p_cp->tdx, p_image->x0);
 587         *p_tx1 = opj_int_min(p_cp->tx0 + (p + 1) * p_cp->tdx, p_image->x1);
 588         *p_ty0 = opj_int_max(p_cp->ty0 + q * p_cp->tdy, p_image->y0);
 589         *p_ty1 = opj_int_min(p_cp->ty0 + (q + 1) * p_cp->tdy, p_image->y1);
 590
 591         /* max precision is 0 (can only grow) */
 592         *p_max_prec = 0;
 593         *p_max_res = 0;
 594
 595         /* take the largest value for dx_min and dy_min */
 596         *p_dx_min = 0x7fffffff;
 597         *p_dy_min  = 0x7fffffff;
 598
 599         for (compno = 0; compno < p_image->numcomps; ++compno) {
 600                 /* arithmetic variables to calculate */
 601                 OPJ_UINT32 l_level_no;
 602                 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
 603                 OPJ_INT32 l_px0, l_py0, l_px1, py1;
 604                 OPJ_UINT32 l_pdx, l_pdy;
 605                 OPJ_UINT32 l_pw, l_ph;
 606                 OPJ_UINT32 l_product;
 607                 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
 608
 609                 l_tcx0 = opj_int_ceildiv(*p_tx0, l_img_comp->dx);
 610                 l_tcy0 = opj_int_ceildiv(*p_ty0, l_img_comp->dy);
 611                 l_tcx1 = opj_int_ceildiv(*p_tx1, l_img_comp->dx);
 612                 l_tcy1 = opj_int_ceildiv(*p_ty1, l_img_comp->dy);
 613
 614                 if (l_tccp->numresolutions > *p_max_res) {
 615                         *p_max_res = l_tccp->numresolutions;
 616                 }
 617
 618                 /* use custom size for precincts */
 619                 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
 620                         OPJ_UINT32 l_dx, l_dy;
 621
 622                         /* precinct width and height */
 623                         l_pdx = l_tccp->prcw[resno];
 624                         l_pdy = l_tccp->prch[resno];
 625
 626                         l_dx = l_img_comp->dx * (1 << (l_pdx + l_tccp->numresolutions - 1 - resno));
 627                         l_dy = l_img_comp->dy * (1 << (l_pdy + l_tccp->numresolutions - 1 - resno));
 628
 629                         /* take the minimum size for dx for each comp and resolution */
 630                         *p_dx_min = opj_uint_min(*p_dx_min, l_dx);
 631                         *p_dy_min = opj_uint_min(*p_dy_min, l_dy);
 632
 633                         /* various calculations of extents */
 634                         l_level_no = l_tccp->numresolutions - 1 - resno;
 635
 636                         l_rx0 = opj_int_ceildivpow2(l_tcx0, l_level_no);
 637                         l_ry0 = opj_int_ceildivpow2(l_tcy0, l_level_no);
 638                         l_rx1 = opj_int_ceildivpow2(l_tcx1, l_level_no);
 639                         l_ry1 = opj_int_ceildivpow2(l_tcy1, l_level_no);
 640
 641                         l_px0 = opj_int_floordivpow2(l_rx0, l_pdx) << l_pdx;
 642                         l_py0 = opj_int_floordivpow2(l_ry0, l_pdy) << l_pdy;
 643                         l_px1 = opj_int_ceildivpow2(l_rx1, l_pdx) << l_pdx;
 644
 645                         py1 = opj_int_ceildivpow2(l_ry1, l_pdy) << l_pdy;
 646
 647                         l_pw = (l_rx0==l_rx1)?0:((l_px1 - l_px0) >> l_pdx);
 648                         l_ph = (l_ry0==l_ry1)?0:((py1 - l_py0) >> l_pdy);
 649
 650                         l_product = l_pw * l_ph;
 651
 652                         /* update precision */
 653                         if (l_product > *p_max_prec) {
 654                                 *p_max_prec = l_product;
 655                         }
 656                 }
 657                 ++l_img_comp;
 658                 ++l_tccp;
 659         }
 660 }
 661
 662
 663 void opj_get_all_encoding_parameters(   const opj_image_t *p_image,
 664                                         const opj_cp_t *p_cp,
 665                                         OPJ_UINT32 tileno,
 666                                         OPJ_INT32 * p_tx0,
 667                                         OPJ_INT32 * p_tx1,
 668                                         OPJ_INT32 * p_ty0,
 669                                         OPJ_INT32 * p_ty1,
 670                                         OPJ_UINT32 * p_dx_min,
 671                                         OPJ_UINT32 * p_dy_min,
 672                                         OPJ_UINT32 * p_max_prec,
 673                                         OPJ_UINT32 * p_max_res,
 674                                         OPJ_UINT32 ** p_resolutions )
 675 {
 676         /* loop*/
 677         OPJ_UINT32 compno, resno;
 678
 679         /* pointers*/
 680         const opj_tcp_t *tcp = 00;
 681         const opj_tccp_t * l_tccp = 00;
 682         const opj_image_comp_t * l_img_comp = 00;
 683
 684         /* to store l_dx, l_dy, w and h for each resolution and component.*/
 685         OPJ_UINT32 * lResolutionPtr;
 686
 687         /* position in x and y of tile*/
 688         OPJ_UINT32 p, q;
 689
 690         /* preconditions in debug*/
 691         assert(p_cp != 00);
 692         assert(p_image != 00);
 693         assert(tileno < p_cp->tw * p_cp->th);
 694
 695         /* initializations*/
 696         tcp = &p_cp->tcps [tileno];
 697         l_tccp = tcp->tccps;
 698         l_img_comp = p_image->comps;
 699
 700         /* position in x and y of tile*/
 701         p = tileno % p_cp->tw;
 702         q = tileno / p_cp->tw;
 703
 704         /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
 705         *p_tx0 = opj_int_max(p_cp->tx0 + p * p_cp->tdx, p_image->x0);
 706         *p_tx1 = opj_int_min(p_cp->tx0 + (p + 1) * p_cp->tdx, p_image->x1);
 707         *p_ty0 = opj_int_max(p_cp->ty0 + q * p_cp->tdy, p_image->y0);
 708         *p_ty1 = opj_int_min(p_cp->ty0 + (q + 1) * p_cp->tdy, p_image->y1);
 709
 710         /* max precision and resolution is 0 (can only grow)*/
 711         *p_max_prec = 0;
 712         *p_max_res = 0;
 713
 714         /* take the largest value for dx_min and dy_min*/
 715         *p_dx_min = 0x7fffffff;
 716         *p_dy_min = 0x7fffffff;
 717
 718         for (compno = 0; compno < p_image->numcomps; ++compno) {
 719                 /* aritmetic variables to calculate*/
 720                 OPJ_UINT32 l_level_no;
 721                 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
 722                 OPJ_INT32 l_px0, l_py0, l_px1, py1;
 723                 OPJ_UINT32 l_product;
 724                 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
 725                 OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph;
 726
 727                 lResolutionPtr = p_resolutions[compno];
 728
 729                 l_tcx0 = opj_int_ceildiv(*p_tx0, l_img_comp->dx);
 730                 l_tcy0 = opj_int_ceildiv(*p_ty0, l_img_comp->dy);
 731                 l_tcx1 = opj_int_ceildiv(*p_tx1, l_img_comp->dx);
 732                 l_tcy1 = opj_int_ceildiv(*p_ty1, l_img_comp->dy);
 733
 734                 if (l_tccp->numresolutions > *p_max_res) {
 735                         *p_max_res = l_tccp->numresolutions;
 736                 }
 737
 738                 /* use custom size for precincts*/
 739                 l_level_no = l_tccp->numresolutions - 1;
 740                 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
 741                         OPJ_UINT32 l_dx, l_dy;
 742
 743                         /* precinct width and height*/
 744                         l_pdx = l_tccp->prcw[resno];
 745                         l_pdy = l_tccp->prch[resno];
 746                         *lResolutionPtr++ = l_pdx;
 747                         *lResolutionPtr++ = l_pdy;
 748                         l_dx = l_img_comp->dx * (1 << (l_pdx + l_level_no));
 749                         l_dy = l_img_comp->dy * (1 << (l_pdy + l_level_no));
 750                         /* take the minimum size for l_dx for each comp and resolution*/
 751                         *p_dx_min = opj_int_min(*p_dx_min, l_dx);
 752                         *p_dy_min = opj_int_min(*p_dy_min, l_dy);
 753
 754                         /* various calculations of extents*/
 755                         l_rx0 = opj_int_ceildivpow2(l_tcx0, l_level_no);
 756                         l_ry0 = opj_int_ceildivpow2(l_tcy0, l_level_no);
 757                         l_rx1 = opj_int_ceildivpow2(l_tcx1, l_level_no);
 758                         l_ry1 = opj_int_ceildivpow2(l_tcy1, l_level_no);
 759                         l_px0 = opj_int_floordivpow2(l_rx0, l_pdx) << l_pdx;
 760                         l_py0 = opj_int_floordivpow2(l_ry0, l_pdy) << l_pdy;
 761                         l_px1 = opj_int_ceildivpow2(l_rx1, l_pdx) << l_pdx;
 762                         py1 = opj_int_ceildivpow2(l_ry1, l_pdy) << l_pdy;
 763                         l_pw = (l_rx0==l_rx1)?0:((l_px1 - l_px0) >> l_pdx);
 764                         l_ph = (l_ry0==l_ry1)?0:((py1 - l_py0) >> l_pdy);
 765                         *lResolutionPtr++ = l_pw;
 766                         *lResolutionPtr++ = l_ph;
 767                         l_product = l_pw * l_ph;
 768
 769             /* update precision*/
 770                         if (l_product > *p_max_prec) {
 771                                 *p_max_prec = l_product;
 772                         }
 773
 774                         --l_level_no;
 775                 }
 776                 ++l_tccp;
 777                 ++l_img_comp;
 778         }
 779 }
 780
 781 opj_pi_iterator_t * opj_pi_create(      const opj_image_t *image,
 782                                     const opj_cp_t *cp,
 783                                     OPJ_UINT32 tileno )
 784 {
 785         /* loop*/
 786         OPJ_UINT32 pino, compno;
 787         /* number of poc in the p_pi*/
 788         OPJ_UINT32 l_poc_bound;
 789
 790         /* pointers to tile coding parameters and components.*/
 791         opj_pi_iterator_t *l_pi = 00;
 792         opj_tcp_t *tcp = 00;
 793         const opj_tccp_t *tccp = 00;
 794
 795         /* current packet iterator being allocated*/
 796         opj_pi_iterator_t *l_current_pi = 00;
 797
 798         /* preconditions in debug*/
 799         assert(cp != 00);
 800         assert(image != 00);
 801         assert(tileno < cp->tw * cp->th);
 802
 803         /* initializations*/
 804         tcp = &cp->tcps[tileno];
 805         l_poc_bound = tcp->numpocs+1;
 806
 807         /* memory allocations*/
 808         l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
 809         if (!l_pi) {
 810                 return NULL;
 811         }
 812         memset(l_pi,0,l_poc_bound * sizeof(opj_pi_iterator_t));
 813
 814         l_current_pi = l_pi;
 815         for (pino = 0; pino < l_poc_bound ; ++pino) {
 816
 817                 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
 818                 if (! l_current_pi->comps) {
 819                         opj_pi_destroy(l_pi, l_poc_bound);
 820                         return NULL;
 821                 }
 822
 823                 l_current_pi->numcomps = image->numcomps;
 824                 memset(l_current_pi->comps,0,image->numcomps * sizeof(opj_pi_comp_t));
 825
 826                 for (compno = 0; compno < image->numcomps; ++compno) {
 827                         opj_pi_comp_t *comp = &l_current_pi->comps[compno];
 828
 829                         tccp = &tcp->tccps[compno];
 830
 831                         comp->resolutions = (opj_pi_resolution_t*) opj_malloc(tccp->numresolutions * sizeof(opj_pi_resolution_t));
 832                         if (!comp->resolutions) {
 833                                 opj_pi_destroy(l_pi, l_poc_bound);
 834                                 return 00;
 835                         }
 836
 837                         comp->numresolutions = tccp->numresolutions;
 838                         memset(comp->resolutions,0,tccp->numresolutions * sizeof(opj_pi_resolution_t));
 839                 }
 840                 ++l_current_pi;
 841         }
 842         return l_pi;
 843 }
 844
 845 void opj_pi_update_encode_poc_and_final (   opj_cp_t *p_cp,
 846                                             OPJ_UINT32 p_tileno,
 847                                             OPJ_INT32 p_tx0,
 848                                             OPJ_INT32 p_tx1,
 849                                             OPJ_INT32 p_ty0,
 850                                             OPJ_INT32 p_ty1,
 851                                             OPJ_UINT32 p_max_prec,
 852                                             OPJ_UINT32 p_max_res,
 853                                             OPJ_UINT32 p_dx_min,
 854                                             OPJ_UINT32 p_dy_min)
 855 {
 856         /* loop*/
 857         OPJ_UINT32 pino;
 858         /* tile coding parameter*/
 859         opj_tcp_t *l_tcp = 00;
 860         /* current poc being updated*/
 861         opj_poc_t * l_current_poc = 00;
 862
 863         /* number of pocs*/
 864         OPJ_UINT32 l_poc_bound;
 865
 866     OPJ_ARG_NOT_USED(p_max_res);
 867
 868         /* preconditions in debug*/
 869         assert(p_cp != 00);
 870         assert(p_tileno < p_cp->tw * p_cp->th);
 871
 872         /* initializations*/
 873         l_tcp = &p_cp->tcps [p_tileno];
 874         /* number of iterations in the loop */
 875         l_poc_bound = l_tcp->numpocs+1;
 876
 877         /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
 878            store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
 879         l_current_poc = l_tcp->pocs;
 880
 881         l_current_poc->compS = l_current_poc->compno0;
 882         l_current_poc->compE = l_current_poc->compno1;
 883         l_current_poc->resS = l_current_poc->resno0;
 884         l_current_poc->resE = l_current_poc->resno1;
 885         l_current_poc->layE = l_current_poc->layno1;
 886
 887         /* special treatment for the first element*/
 888         l_current_poc->layS = 0;
 889         l_current_poc->prg  = l_current_poc->prg1;
 890         l_current_poc->prcS = 0;
 891
 892         l_current_poc->prcE = p_max_prec;
 893         l_current_poc->txS = p_tx0;
 894         l_current_poc->txE = p_tx1;
 895         l_current_poc->tyS = p_ty0;
 896         l_current_poc->tyE = p_ty1;
 897         l_current_poc->dx = p_dx_min;
 898         l_current_poc->dy = p_dy_min;
 899
 900         ++ l_current_poc;
 901         for (pino = 1;pino < l_poc_bound ; ++pino) {
 902                 l_current_poc->compS = l_current_poc->compno0;
 903                 l_current_poc->compE= l_current_poc->compno1;
 904                 l_current_poc->resS = l_current_poc->resno0;
 905                 l_current_poc->resE = l_current_poc->resno1;
 906                 l_current_poc->layE = l_current_poc->layno1;
 907                 l_current_poc->prg  = l_current_poc->prg1;
 908                 l_current_poc->prcS = 0;
 909                 /* special treatment here different from the first element*/
 910                 l_current_poc->layS = (l_current_poc->layE > (l_current_poc-1)->layE) ? l_current_poc->layE : 0;
 911
 912                 l_current_poc->prcE = p_max_prec;
 913                 l_current_poc->txS = p_tx0;
 914                 l_current_poc->txE = p_tx1;
 915                 l_current_poc->tyS = p_ty0;
 916                 l_current_poc->tyE = p_ty1;
 917                 l_current_poc->dx = p_dx_min;
 918                 l_current_poc->dy = p_dy_min;
 919                 ++ l_current_poc;
 920         }
 921 }
 922
 923 void opj_pi_update_encode_not_poc (     opj_cp_t *p_cp,
 924                                     OPJ_UINT32 p_num_comps,
 925                                     OPJ_UINT32 p_tileno,
 926                                     OPJ_INT32 p_tx0,
 927                                     OPJ_INT32 p_tx1,
 928                                     OPJ_INT32 p_ty0,
 929                                     OPJ_INT32 p_ty1,
 930                                     OPJ_UINT32 p_max_prec,
 931                                     OPJ_UINT32 p_max_res,
 932                                     OPJ_UINT32 p_dx_min,
 933                                     OPJ_UINT32 p_dy_min)
 934 {
 935         /* loop*/
 936         OPJ_UINT32 pino;
 937         /* tile coding parameter*/
 938         opj_tcp_t *l_tcp = 00;
 939         /* current poc being updated*/
 940         opj_poc_t * l_current_poc = 00;
 941         /* number of pocs*/
 942         OPJ_UINT32 l_poc_bound;
 943
 944         /* preconditions in debug*/
 945         assert(p_cp != 00);
 946         assert(p_tileno < p_cp->tw * p_cp->th);
 947
 948         /* initializations*/
 949         l_tcp = &p_cp->tcps [p_tileno];
 950
 951         /* number of iterations in the loop */
 952         l_poc_bound = l_tcp->numpocs+1;
 953
 954         /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
 955            store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
 956         l_current_poc = l_tcp->pocs;
 957
 958         for (pino = 0; pino < l_poc_bound ; ++pino) {
 959                 l_current_poc->compS = 0;
 960                 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
 961                 l_current_poc->resS = 0;
 962                 l_current_poc->resE = p_max_res;
 963                 l_current_poc->layS = 0;
 964                 l_current_poc->layE = l_tcp->numlayers;
 965                 l_current_poc->prg  = l_tcp->prg;
 966                 l_current_poc->prcS = 0;
 967                 l_current_poc->prcE = p_max_prec;
 968                 l_current_poc->txS = p_tx0;
 969                 l_current_poc->txE = p_tx1;
 970                 l_current_poc->tyS = p_ty0;
 971                 l_current_poc->tyE = p_ty1;
 972                 l_current_poc->dx = p_dx_min;
 973                 l_current_poc->dy = p_dy_min;
 974                 ++ l_current_poc;
 975         }
 976 }
 977
 978 void opj_pi_update_decode_poc (opj_pi_iterator_t * p_pi,
 979                                opj_tcp_t * p_tcp,
 980                                OPJ_UINT32 p_max_precision,
 981                                OPJ_UINT32 p_max_res)
 982 {
 983         /* loop*/
 984         OPJ_UINT32 pino;
 985
 986         /* encoding prameters to set*/
 987         OPJ_UINT32 l_bound;
 988
 989         opj_pi_iterator_t * l_current_pi = 00;
 990         opj_poc_t* l_current_poc = 0;
 991
 992     OPJ_ARG_NOT_USED(p_max_res);
 993
 994         /* preconditions in debug*/
 995         assert(p_pi != 00);
 996         assert(p_tcp != 00);
 997
 998         /* initializations*/
 999         l_bound = p_tcp->numpocs+1;
1000         l_current_pi = p_pi;
1001         l_current_poc = p_tcp->pocs;
1002
1003         for     (pino = 0;pino<l_bound;++pino) {
1004                 l_current_pi->poc.prg = l_current_poc->prg;
1005                 l_current_pi->first = 1;
1006
1007                 l_current_pi->poc.resno0 = l_current_poc->resno0;
1008                 l_current_pi->poc.compno0 = l_current_poc->compno0;
1009                 l_current_pi->poc.layno0 = 0;
1010                 l_current_pi->poc.precno0 = 0;
1011                 l_current_pi->poc.resno1 = l_current_poc->resno1;
1012                 l_current_pi->poc.compno1 = l_current_poc->compno1;
1013                 l_current_pi->poc.layno1 = l_current_poc->layno1;
1014                 l_current_pi->poc.precno1 = p_max_precision;
1015                 ++l_current_pi;
1016                 ++l_current_poc;
1017         }
1018 }
1019
1020 void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
1021                                    opj_tcp_t * p_tcp,
1022                                    OPJ_UINT32 p_max_precision,
1023                                    OPJ_UINT32 p_max_res)
1024 {
1025         /* loop*/
1026         OPJ_UINT32 pino;
1027
1028         /* encoding prameters to set*/
1029         OPJ_UINT32 l_bound;
1030
1031         opj_pi_iterator_t * l_current_pi = 00;
1032         /* preconditions in debug*/
1033         assert(p_tcp != 00);
1034         assert(p_pi != 00);
1035
1036         /* initializations*/
1037         l_bound = p_tcp->numpocs+1;
1038         l_current_pi = p_pi;
1039
1040         for (pino = 0;pino<l_bound;++pino) {
1041                 l_current_pi->poc.prg = p_tcp->prg;
1042                 l_current_pi->first = 1;
1043                 l_current_pi->poc.resno0 = 0;
1044                 l_current_pi->poc.compno0 = 0;
1045                 l_current_pi->poc.layno0 = 0;
1046                 l_current_pi->poc.precno0 = 0;
1047                 l_current_pi->poc.resno1 = p_max_res;
1048                 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1049                 l_current_pi->poc.layno1 = p_tcp->numlayers;
1050                 l_current_pi->poc.precno1 = p_max_precision;
1051                 ++l_current_pi;
1052         }
1053 }
1054
1055
1056
1057 OPJ_BOOL opj_pi_check_next_level(       OPJ_INT32 pos,
1058                                                                 opj_cp_t *cp,
1059                                                                 OPJ_UINT32 tileno,
1060                                                                 OPJ_UINT32 pino,
1061                                                                 const OPJ_CHAR *prog)
1062 {
1063         OPJ_INT32 i;
1064         opj_tcp_t *tcps =&cp->tcps[tileno];
1065         opj_poc_t *tcp = &tcps->pocs[pino];
1066
1067         if(pos>=0){
1068                 for(i=pos;pos>=0;i--){
1069                         switch(prog[i]){
1070                     case 'R':
1071                             if(tcp->res_t==tcp->resE){
1072                                     if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1073                                             return OPJ_TRUE;
1074                                     }else{
1075                                             return OPJ_FALSE;
1076                                     }
1077                             }else{
1078                                     return OPJ_TRUE;
1079                             }
1080                             break;
1081                     case 'C':
1082                             if(tcp->comp_t==tcp->compE){
1083                                     if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1084                                             return OPJ_TRUE;
1085                                     }else{
1086                                             return OPJ_FALSE;
1087                                     }
1088                             }else{
1089                                     return OPJ_TRUE;
1090                             }
1091                             break;
1092                     case 'L':
1093                             if(tcp->lay_t==tcp->layE){
1094                                     if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1095                                             return OPJ_TRUE;
1096                                     }else{
1097                                             return OPJ_FALSE;
1098                                     }
1099                             }else{
1100                                     return OPJ_TRUE;
1101                             }
1102                             break;
1103                     case 'P':
1104                             switch(tcp->prg){
1105                                     case OPJ_LRCP||OPJ_RLCP:
1106                                             if(tcp->prc_t == tcp->prcE){
1107                                                     if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1108                                                             return OPJ_TRUE;
1109                                                     }else{
1110                                                             return OPJ_FALSE;
1111                                                     }
1112                                             }else{
1113                                                     return OPJ_TRUE;
1114                                             }
1115                                             break;
1116                             default:
1117                                     if(tcp->tx0_t == tcp->txE){
1118                                             /*TY*/
1119                                             if(tcp->ty0_t == tcp->tyE){
1120                                                     if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1121                                                             return OPJ_TRUE;
1122                                                     }else{
1123                                                             return OPJ_FALSE;
1124                                                     }
1125                                             }else{
1126                                                     return OPJ_TRUE;
1127                                             }/*TY*/
1128                                     }else{
1129                                             return OPJ_TRUE;
1130                                     }
1131                                     break;
1132                             }/*end case P*/
1133                     }/*end switch*/
1134                 }/*end for*/
1135         }/*end if*/
1136         return OPJ_FALSE;
1137 }
1138
1139
1140 /*
1141 ==========================================================
1142    Packet iterator interface
1143 ==========================================================
1144 */
1145 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
1146                                                                                 opj_cp_t *p_cp,
1147                                                                                 OPJ_UINT32 p_tile_no)
1148 {
1149         /* loop */
1150         OPJ_UINT32 pino;
1151         OPJ_UINT32 compno, resno;
1152
1153         /* to store w, h, dx and dy fro all components and resolutions */
1154         OPJ_UINT32 * l_tmp_data;
1155         OPJ_UINT32 ** l_tmp_ptr;
1156
1157         /* encoding prameters to set */
1158         OPJ_UINT32 l_max_res;
1159         OPJ_UINT32 l_max_prec;
1160         OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1161         OPJ_UINT32 l_dx_min,l_dy_min;
1162         OPJ_UINT32 l_bound;
1163         OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1164         OPJ_UINT32 l_data_stride;
1165
1166         /* pointers */
1167         opj_pi_iterator_t *l_pi = 00;
1168         opj_tcp_t *l_tcp = 00;
1169         const opj_tccp_t *l_tccp = 00;
1170         opj_pi_comp_t *l_current_comp = 00;
1171         opj_image_comp_t * l_img_comp = 00;
1172         opj_pi_iterator_t * l_current_pi = 00;
1173         OPJ_UINT32 * l_encoding_value_ptr = 00;
1174
1175         /* preconditions in debug */
1176         assert(p_cp != 00);
1177         assert(p_image != 00);
1178         assert(p_tile_no < p_cp->tw * p_cp->th);
1179
1180         /* initializations */
1181         l_tcp = &p_cp->tcps[p_tile_no];
1182         l_bound = l_tcp->numpocs+1;
1183
1184         l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1185         l_tmp_data = (OPJ_UINT32*)opj_malloc(
1186                 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1187         if
1188                 (! l_tmp_data)
1189         {
1190                 return 00;
1191         }
1192         l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1193                 p_image->numcomps * sizeof(OPJ_UINT32 *));
1194         if
1195                 (! l_tmp_ptr)
1196         {
1197                 opj_free(l_tmp_data);
1198                 return 00;
1199         }
1200
1201         /* memory allocation for pi */
1202         l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1203         if (!l_pi) {
1204                 opj_free(l_tmp_data);
1205                 opj_free(l_tmp_ptr);
1206                 return 00;
1207         }
1208
1209         l_encoding_value_ptr = l_tmp_data;
1210         /* update pointer array */
1211         for
1212                 (compno = 0; compno < p_image->numcomps; ++compno)
1213         {
1214                 l_tmp_ptr[compno] = l_encoding_value_ptr;
1215                 l_encoding_value_ptr += l_data_stride;
1216         }
1217         /* get encoding parameters */
1218         opj_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);
1219
1220         /* step calculations */
1221         l_step_p = 1;
1222         l_step_c = l_max_prec * l_step_p;
1223         l_step_r = p_image->numcomps * l_step_c;
1224         l_step_l = l_max_res * l_step_r;
1225
1226         /* set values for first packet iterator */
1227         l_current_pi = l_pi;
1228
1229         /* memory allocation for include */
1230         l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
1231         if
1232                 (!l_current_pi->include)
1233         {
1234                 opj_free(l_tmp_data);
1235                 opj_free(l_tmp_ptr);
1236                 opj_pi_destroy(l_pi, l_bound);
1237                 return 00;
1238         }
1239         memset(l_current_pi->include,0, (l_tcp->numlayers + 1) * l_step_l* sizeof(OPJ_INT16));
1240
1241         /* special treatment for the first packet iterator */
1242         l_current_comp = l_current_pi->comps;
1243         l_img_comp = p_image->comps;
1244         l_tccp = l_tcp->tccps;
1245
1246         l_current_pi->tx0 = l_tx0;
1247         l_current_pi->ty0 = l_ty0;
1248         l_current_pi->tx1 = l_tx1;
1249         l_current_pi->ty1 = l_ty1;
1250
1251         /*l_current_pi->dx = l_img_comp->dx;*/
1252         /*l_current_pi->dy = l_img_comp->dy;*/
1253
1254         l_current_pi->step_p = l_step_p;
1255         l_current_pi->step_c = l_step_c;
1256         l_current_pi->step_r = l_step_r;
1257         l_current_pi->step_l = l_step_l;
1258
1259         /* allocation for components and number of components has already been calculated by opj_pi_create */
1260         for
1261                 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1262         {
1263                 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1264                 l_encoding_value_ptr = l_tmp_ptr[compno];
1265
1266                 l_current_comp->dx = l_img_comp->dx;
1267                 l_current_comp->dy = l_img_comp->dy;
1268                 /* resolutions have already been initialized */
1269                 for
1270                         (resno = 0; resno < l_current_comp->numresolutions; resno++)
1271                 {
1272                         l_res->pdx = *(l_encoding_value_ptr++);
1273                         l_res->pdy = *(l_encoding_value_ptr++);
1274                         l_res->pw =  *(l_encoding_value_ptr++);
1275                         l_res->ph =  *(l_encoding_value_ptr++);
1276                         ++l_res;
1277                 }
1278                 ++l_current_comp;
1279                 ++l_img_comp;
1280                 ++l_tccp;
1281         }
1282         ++l_current_pi;
1283
1284         for (pino = 1 ; pino<l_bound ; ++pino )
1285         {
1286                 l_current_comp = l_current_pi->comps;
1287                 l_img_comp = p_image->comps;
1288                 l_tccp = l_tcp->tccps;
1289
1290                 l_current_pi->tx0 = l_tx0;
1291                 l_current_pi->ty0 = l_ty0;
1292                 l_current_pi->tx1 = l_tx1;
1293                 l_current_pi->ty1 = l_ty1;
1294                 /*l_current_pi->dx = l_dx_min;*/
1295                 /*l_current_pi->dy = l_dy_min;*/
1296                 l_current_pi->step_p = l_step_p;
1297                 l_current_pi->step_c = l_step_c;
1298                 l_current_pi->step_r = l_step_r;
1299                 l_current_pi->step_l = l_step_l;
1300
1301                 /* allocation for components and number of components has already been calculated by opj_pi_create */
1302                 for
1303                         (compno = 0; compno < l_current_pi->numcomps; ++compno)
1304                 {
1305                         opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1306                         l_encoding_value_ptr = l_tmp_ptr[compno];
1307
1308                         l_current_comp->dx = l_img_comp->dx;
1309                         l_current_comp->dy = l_img_comp->dy;
1310                         /* resolutions have already been initialized */
1311                         for
1312                                 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1313                         {
1314                                 l_res->pdx = *(l_encoding_value_ptr++);
1315                                 l_res->pdy = *(l_encoding_value_ptr++);
1316                                 l_res->pw =  *(l_encoding_value_ptr++);
1317                                 l_res->ph =  *(l_encoding_value_ptr++);
1318                                 ++l_res;
1319                         }
1320                         ++l_current_comp;
1321                         ++l_img_comp;
1322                         ++l_tccp;
1323                 }
1324                 /* special treatment*/
1325                 l_current_pi->include = (l_current_pi-1)->include;
1326                 ++l_current_pi;
1327         }
1328         opj_free(l_tmp_data);
1329         l_tmp_data = 00;
1330         opj_free(l_tmp_ptr);
1331         l_tmp_ptr = 00;
1332         if
1333                 (l_tcp->POC)
1334         {
1335                 opj_pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
1336         }
1337         else
1338         {
1339                 opj_pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
1340         }
1341         return l_pi;
1342 }
1343
1344
1345
1346 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
1347                                             opj_cp_t *p_cp,
1348                                             OPJ_UINT32 p_tile_no,
1349                                             J2K_T2_MODE p_t2_mode )
1350 {
1351         /* loop*/
1352         OPJ_UINT32 pino;
1353         OPJ_UINT32 compno, resno;
1354
1355         /* to store w, h, dx and dy fro all components and resolutions*/
1356         OPJ_UINT32 * l_tmp_data;
1357         OPJ_UINT32 ** l_tmp_ptr;
1358
1359         /* encoding prameters to set*/
1360         OPJ_UINT32 l_max_res;
1361         OPJ_UINT32 l_max_prec;
1362         OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1363         OPJ_UINT32 l_dx_min,l_dy_min;
1364         OPJ_UINT32 l_bound;
1365         OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1366         OPJ_UINT32 l_data_stride;
1367
1368         /* pointers*/
1369         opj_pi_iterator_t *l_pi = 00;
1370         opj_tcp_t *l_tcp = 00;
1371         const opj_tccp_t *l_tccp = 00;
1372         opj_pi_comp_t *l_current_comp = 00;
1373         opj_image_comp_t * l_img_comp = 00;
1374         opj_pi_iterator_t * l_current_pi = 00;
1375         OPJ_UINT32 * l_encoding_value_ptr = 00;
1376
1377         /* preconditions in debug*/
1378         assert(p_cp != 00);
1379         assert(p_image != 00);
1380         assert(p_tile_no < p_cp->tw * p_cp->th);
1381
1382         /* initializations*/
1383         l_tcp = &p_cp->tcps[p_tile_no];
1384         l_bound = l_tcp->numpocs+1;
1385
1386         l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1387         l_tmp_data = (OPJ_UINT32*)opj_malloc(
1388                 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1389         if (! l_tmp_data) {
1390                 return 00;
1391         }
1392
1393         l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1394                 p_image->numcomps * sizeof(OPJ_UINT32 *));
1395         if (! l_tmp_ptr) {
1396                 opj_free(l_tmp_data);
1397                 return 00;
1398         }
1399
1400         /* memory allocation for pi*/
1401         l_pi = opj_pi_create(p_image,p_cp,p_tile_no);
1402         if (!l_pi) {
1403                 opj_free(l_tmp_data);
1404                 opj_free(l_tmp_ptr);
1405                 return 00;
1406         }
1407
1408         l_encoding_value_ptr = l_tmp_data;
1409         /* update pointer array*/
1410         for (compno = 0; compno < p_image->numcomps; ++compno) {
1411                 l_tmp_ptr[compno] = l_encoding_value_ptr;
1412                 l_encoding_value_ptr += l_data_stride;
1413         }
1414
1415         /* get encoding parameters*/
1416         opj_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);
1417
1418         /* step calculations*/
1419         l_step_p = 1;
1420         l_step_c = l_max_prec * l_step_p;
1421         l_step_r = p_image->numcomps * l_step_c;
1422         l_step_l = l_max_res * l_step_r;
1423
1424         /* set values for first packet iterator*/
1425         l_pi->tp_on = p_cp->m_specific_param.m_enc.m_tp_on;
1426         l_current_pi = l_pi;
1427
1428         /* memory allocation for include*/
1429         l_current_pi->include = (OPJ_INT16*) opj_calloc(l_tcp->numlayers * l_step_l, sizeof(OPJ_INT16));
1430         if (!l_current_pi->include) {
1431                 opj_free(l_tmp_data);
1432                 opj_free(l_tmp_ptr);
1433                 opj_pi_destroy(l_pi, l_bound);
1434                 return 00;
1435         }
1436         memset(l_current_pi->include,0,l_tcp->numlayers * l_step_l* sizeof(OPJ_INT16));
1437
1438         /* special treatment for the first packet iterator*/
1439         l_current_comp = l_current_pi->comps;
1440         l_img_comp = p_image->comps;
1441         l_tccp = l_tcp->tccps;
1442         l_current_pi->tx0 = l_tx0;
1443         l_current_pi->ty0 = l_ty0;
1444         l_current_pi->tx1 = l_tx1;
1445         l_current_pi->ty1 = l_ty1;
1446         l_current_pi->dx = l_dx_min;
1447         l_current_pi->dy = l_dy_min;
1448         l_current_pi->step_p = l_step_p;
1449         l_current_pi->step_c = l_step_c;
1450         l_current_pi->step_r = l_step_r;
1451         l_current_pi->step_l = l_step_l;
1452
1453         /* allocation for components and number of components has already been calculated by opj_pi_create */
1454         for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1455                 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1456                 l_encoding_value_ptr = l_tmp_ptr[compno];
1457
1458                 l_current_comp->dx = l_img_comp->dx;
1459                 l_current_comp->dy = l_img_comp->dy;
1460
1461                 /* resolutions have already been initialized */
1462                 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1463                         l_res->pdx = *(l_encoding_value_ptr++);
1464                         l_res->pdy = *(l_encoding_value_ptr++);
1465                         l_res->pw =  *(l_encoding_value_ptr++);
1466                         l_res->ph =  *(l_encoding_value_ptr++);
1467                         ++l_res;
1468                 }
1469
1470                 ++l_current_comp;
1471                 ++l_img_comp;
1472                 ++l_tccp;
1473         }
1474         ++l_current_pi;
1475
1476         for (pino = 1 ; pino<l_bound ; ++pino ) {
1477                 l_current_comp = l_current_pi->comps;
1478                 l_img_comp = p_image->comps;
1479                 l_tccp = l_tcp->tccps;
1480
1481                 l_current_pi->tx0 = l_tx0;
1482                 l_current_pi->ty0 = l_ty0;
1483                 l_current_pi->tx1 = l_tx1;
1484                 l_current_pi->ty1 = l_ty1;
1485                 l_current_pi->dx = l_dx_min;
1486                 l_current_pi->dy = l_dy_min;
1487                 l_current_pi->step_p = l_step_p;
1488                 l_current_pi->step_c = l_step_c;
1489                 l_current_pi->step_r = l_step_r;
1490                 l_current_pi->step_l = l_step_l;
1491
1492                 /* allocation for components and number of components has already been calculated by opj_pi_create */
1493                 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1494                         opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1495                         l_encoding_value_ptr = l_tmp_ptr[compno];
1496
1497                         l_current_comp->dx = l_img_comp->dx;
1498                         l_current_comp->dy = l_img_comp->dy;
1499                         /* resolutions have already been initialized */
1500                         for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1501                                 l_res->pdx = *(l_encoding_value_ptr++);
1502                                 l_res->pdy = *(l_encoding_value_ptr++);
1503                                 l_res->pw =  *(l_encoding_value_ptr++);
1504                                 l_res->ph =  *(l_encoding_value_ptr++);
1505                                 ++l_res;
1506                         }
1507                         ++l_current_comp;
1508                         ++l_img_comp;
1509                         ++l_tccp;
1510                 }
1511
1512                 /* special treatment*/
1513                 l_current_pi->include = (l_current_pi-1)->include;
1514                 ++l_current_pi;
1515         }
1516
1517         opj_free(l_tmp_data);
1518         l_tmp_data = 00;
1519         opj_free(l_tmp_ptr);
1520         l_tmp_ptr = 00;
1521
1522         if (l_tcp->POC && ( p_cp->m_specific_param.m_enc.m_cinema || p_t2_mode == FINAL_PASS)) {
1523                 opj_pi_update_encode_poc_and_final(p_cp,p_tile_no,l_tx0,l_tx1,l_ty0,l_ty1,l_max_prec,l_max_res,l_dx_min,l_dy_min);
1524         }
1525         else {
1526                 opj_pi_update_encode_not_poc(p_cp,p_image->numcomps,p_tile_no,l_tx0,l_tx1,l_ty0,l_ty1,l_max_prec,l_max_res,l_dx_min,l_dy_min);
1527         }
1528
1529         return l_pi;
1530 }
1531
1532 void opj_pi_create_encode(      opj_pi_iterator_t *pi,
1533                                                         opj_cp_t *cp,
1534                                                         OPJ_UINT32 tileno,
1535                                                         OPJ_UINT32 pino,
1536                                                         OPJ_UINT32 tpnum,
1537                                                         OPJ_INT32 tppos,
1538                                                         J2K_T2_MODE t2_mode)
1539 {
1540         const OPJ_CHAR *prog;
1541         OPJ_INT32 i;
1542         OPJ_UINT32 incr_top=1,resetX=0;
1543         opj_tcp_t *tcps =&cp->tcps[tileno];
1544         opj_poc_t *tcp= &tcps->pocs[pino];
1545
1546         prog = opj_j2k_convert_progression_order(tcp->prg);
1547
1548         pi[pino].first = 1;
1549         pi[pino].poc.prg = tcp->prg;
1550
1551         if(!(cp->m_specific_param.m_enc.m_tp_on && ((!cp->m_specific_param.m_enc.m_cinema && (t2_mode == FINAL_PASS)) || cp->m_specific_param.m_enc.m_cinema))){
1552                 pi[pino].poc.resno0 = tcp->resS;
1553                 pi[pino].poc.resno1 = tcp->resE;
1554                 pi[pino].poc.compno0 = tcp->compS;
1555                 pi[pino].poc.compno1 = tcp->compE;
1556                 pi[pino].poc.layno0 = tcp->layS;
1557                 pi[pino].poc.layno1 = tcp->layE;
1558                 pi[pino].poc.precno0 = tcp->prcS;
1559                 pi[pino].poc.precno1 = tcp->prcE;
1560                 pi[pino].poc.tx0 = tcp->txS;
1561                 pi[pino].poc.ty0 = tcp->tyS;
1562                 pi[pino].poc.tx1 = tcp->txE;
1563                 pi[pino].poc.ty1 = tcp->tyE;
1564         }else {
1565                 for(i=tppos+1;i<4;i++){
1566                         switch(prog[i]){
1567                         case 'R':
1568                                 pi[pino].poc.resno0 = tcp->resS;
1569                                 pi[pino].poc.resno1 = tcp->resE;
1570                                 break;
1571                         case 'C':
1572                                 pi[pino].poc.compno0 = tcp->compS;
1573                                 pi[pino].poc.compno1 = tcp->compE;
1574                                 break;
1575                         case 'L':
1576                                 pi[pino].poc.layno0 = tcp->layS;
1577                                 pi[pino].poc.layno1 = tcp->layE;
1578                                 break;
1579                         case 'P':
1580                                 switch(tcp->prg){
1581                                 case OPJ_LRCP:
1582                                 case OPJ_RLCP:
1583                                         pi[pino].poc.precno0 = tcp->prcS;
1584                                         pi[pino].poc.precno1 = tcp->prcE;
1585                                         break;
1586                                 default:
1587                                         pi[pino].poc.tx0 = tcp->txS;
1588                                         pi[pino].poc.ty0 = tcp->tyS;
1589                                         pi[pino].poc.tx1 = tcp->txE;
1590                                         pi[pino].poc.ty1 = tcp->tyE;
1591                                         break;
1592                                 }
1593                                 break;
1594                         }
1595                 }
1596
1597                 if(tpnum==0){
1598                         for(i=tppos;i>=0;i--){
1599                                 switch(prog[i]){
1600                                 case 'C':
1601                                         tcp->comp_t = tcp->compS;
1602                                         pi[pino].poc.compno0 = tcp->comp_t;
1603                                         pi[pino].poc.compno1 = tcp->comp_t+1;
1604                                         tcp->comp_t+=1;
1605                                         break;
1606                                 case 'R':
1607                                         tcp->res_t = tcp->resS;
1608                                         pi[pino].poc.resno0 = tcp->res_t;
1609                                         pi[pino].poc.resno1 = tcp->res_t+1;
1610                                         tcp->res_t+=1;
1611                                         break;
1612                                 case 'L':
1613                                         tcp->lay_t = tcp->layS;
1614                                         pi[pino].poc.layno0 = tcp->lay_t;
1615                                         pi[pino].poc.layno1 = tcp->lay_t+1;
1616                                         tcp->lay_t+=1;
1617                                         break;
1618                                 case 'P':
1619                                         switch(tcp->prg){
1620                                         case OPJ_LRCP:
1621                                         case OPJ_RLCP:
1622                                                 tcp->prc_t = tcp->prcS;
1623                                                 pi[pino].poc.precno0 = tcp->prc_t;
1624                                                 pi[pino].poc.precno1 = tcp->prc_t+1;
1625                                                 tcp->prc_t+=1;
1626                                                 break;
1627                                         default:
1628                                                 tcp->tx0_t = tcp->txS;
1629                                                 tcp->ty0_t = tcp->tyS;
1630                                                 pi[pino].poc.tx0 = tcp->tx0_t;
1631                                                 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
1632                                                 pi[pino].poc.ty0 = tcp->ty0_t;
1633                                                 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1634                                                 tcp->tx0_t = pi[pino].poc.tx1;
1635                                                 tcp->ty0_t = pi[pino].poc.ty1;
1636                                                 break;
1637                                         }
1638                                         break;
1639                                 }
1640                         }
1641                         incr_top=1;
1642                 }else{
1643                         for(i=tppos;i>=0;i--){
1644                                 switch(prog[i]){
1645                                 case 'C':
1646                                         pi[pino].poc.compno0 = tcp->comp_t-1;
1647                                         pi[pino].poc.compno1 = tcp->comp_t;
1648                                         break;
1649                                 case 'R':
1650                                         pi[pino].poc.resno0 = tcp->res_t-1;
1651                                         pi[pino].poc.resno1 = tcp->res_t;
1652                                         break;
1653                                 case 'L':
1654                                         pi[pino].poc.layno0 = tcp->lay_t-1;
1655                                         pi[pino].poc.layno1 = tcp->lay_t;
1656                                         break;
1657                                 case 'P':
1658                                         switch(tcp->prg){
1659                                         case OPJ_LRCP:
1660                                         case OPJ_RLCP:
1661                                                 pi[pino].poc.precno0 = tcp->prc_t-1;
1662                                                 pi[pino].poc.precno1 = tcp->prc_t;
1663                                                 break;
1664                                         default:
1665                                                 pi[pino].poc.tx0 = tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx);
1666                                                 pi[pino].poc.tx1 = tcp->tx0_t ;
1667                                                 pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
1668                                                 pi[pino].poc.ty1 = tcp->ty0_t ;
1669                                                 break;
1670                                         }
1671                                         break;
1672                                 }
1673                                 if(incr_top==1){
1674                                         switch(prog[i]){
1675                                         case 'R':
1676                                                 if(tcp->res_t==tcp->resE){
1677                                                         if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1678                                                                 tcp->res_t = tcp->resS;
1679                                                                 pi[pino].poc.resno0 = tcp->res_t;
1680                                                                 pi[pino].poc.resno1 = tcp->res_t+1;
1681                                                                 tcp->res_t+=1;
1682                                                                 incr_top=1;
1683                                                         }else{
1684                                                                 incr_top=0;
1685                                                         }
1686                                                 }else{
1687                                                         pi[pino].poc.resno0 = tcp->res_t;
1688                                                         pi[pino].poc.resno1 = tcp->res_t+1;
1689                                                         tcp->res_t+=1;
1690                                                         incr_top=0;
1691                                                 }
1692                                                 break;
1693                                         case 'C':
1694                                                 if(tcp->comp_t ==tcp->compE){
1695                                                         if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1696                                                                 tcp->comp_t = tcp->compS;
1697                                                                 pi[pino].poc.compno0 = tcp->comp_t;
1698                                                                 pi[pino].poc.compno1 = tcp->comp_t+1;
1699                                                                 tcp->comp_t+=1;
1700                                                                 incr_top=1;
1701                                                         }else{
1702                                                                 incr_top=0;
1703                                                         }
1704                                                 }else{
1705                                                         pi[pino].poc.compno0 = tcp->comp_t;
1706                                                         pi[pino].poc.compno1 = tcp->comp_t+1;
1707                                                         tcp->comp_t+=1;
1708                                                         incr_top=0;
1709                                                 }
1710                                                 break;
1711                                         case 'L':
1712                                                 if(tcp->lay_t == tcp->layE){
1713                                                         if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1714                                                                 tcp->lay_t = tcp->layS;
1715                                                                 pi[pino].poc.layno0 = tcp->lay_t;
1716                                                                 pi[pino].poc.layno1 = tcp->lay_t+1;
1717                                                                 tcp->lay_t+=1;
1718                                                                 incr_top=1;
1719                                                         }else{
1720                                                                 incr_top=0;
1721                                                         }
1722                                                 }else{
1723                                                         pi[pino].poc.layno0 = tcp->lay_t;
1724                                                         pi[pino].poc.layno1 = tcp->lay_t+1;
1725                                                         tcp->lay_t+=1;
1726                                                         incr_top=0;
1727                                                 }
1728                                                 break;
1729                                         case 'P':
1730                                                 switch(tcp->prg){
1731                                                 case OPJ_LRCP:
1732                                                 case OPJ_RLCP:
1733                                                         if(tcp->prc_t == tcp->prcE){
1734                                                                 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1735                                                                         tcp->prc_t = tcp->prcS;
1736                                                                         pi[pino].poc.precno0 = tcp->prc_t;
1737                                                                         pi[pino].poc.precno1 = tcp->prc_t+1;
1738                                                                         tcp->prc_t+=1;
1739                                                                         incr_top=1;
1740                                                                 }else{
1741                                                                         incr_top=0;
1742                                                                 }
1743                                                         }else{
1744                                                                 pi[pino].poc.precno0 = tcp->prc_t;
1745                                                                 pi[pino].poc.precno1 = tcp->prc_t+1;
1746                                                                 tcp->prc_t+=1;
1747                                                                 incr_top=0;
1748                                                         }
1749                                                         break;
1750                                                 default:
1751                                                         if(tcp->tx0_t >= tcp->txE){
1752                                                                 if(tcp->ty0_t >= tcp->tyE){
1753                                                                         if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1754                                                                                 tcp->ty0_t = tcp->tyS;
1755                                                                                 pi[pino].poc.ty0 = tcp->ty0_t;
1756                                                                                 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1757                                                                                 tcp->ty0_t = pi[pino].poc.ty1;
1758                                                                                 incr_top=1;resetX=1;
1759                                                                         }else{
1760                                                                                 incr_top=0;resetX=0;
1761                                                                         }
1762                                                                 }else{
1763                                                                         pi[pino].poc.ty0 = tcp->ty0_t;
1764                                                                         pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1765                                                                         tcp->ty0_t = pi[pino].poc.ty1;
1766                                                                         incr_top=0;resetX=1;
1767                                                                 }
1768                                                                 if(resetX==1){
1769                                                                         tcp->tx0_t = tcp->txS;
1770                                                                         pi[pino].poc.tx0 = tcp->tx0_t;
1771                                                                         pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
1772                                                                         tcp->tx0_t = pi[pino].poc.tx1;
1773                                                                 }
1774                                                         }else{
1775                                                                 pi[pino].poc.tx0 = tcp->tx0_t;
1776                                                                 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
1777                                                                 tcp->tx0_t = pi[pino].poc.tx1;
1778                                                                 incr_top=0;
1779                                                         }
1780                                                         break;
1781                                                 }
1782                                                 break;
1783                                         }
1784                                 }
1785                         }
1786                 }
1787         }
1788 }
1789
1790 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
1791                     OPJ_UINT32 p_nb_elements)
1792 {
1793         OPJ_UINT32 compno, pino;
1794         opj_pi_iterator_t *l_current_pi = p_pi;
1795     if (p_pi) {
1796                 if (p_pi->include) {
1797                         opj_free(p_pi->include);
1798                         p_pi->include = 00;
1799                 }
1800                 for (pino = 0; pino < p_nb_elements; ++pino){
1801                         if(l_current_pi->comps) {
1802                                 opj_pi_comp_t *l_current_component = l_current_pi->comps;
1803                 for (compno = 0; compno < l_current_pi->numcomps; compno++){
1804                     if(l_current_component->resolutions) {
1805                                                 opj_free(l_current_component->resolutions);
1806                                                 l_current_component->resolutions = 00;
1807                                         }
1808
1809                                         ++l_current_component;
1810                                 }
1811                                 opj_free(l_current_pi->comps);
1812                                 l_current_pi->comps = 0;
1813                         }
1814                         ++l_current_pi;
1815                 }
1816                 opj_free(p_pi);
1817         }
1818 }
1819
1820
1821
1822 void opj_pi_update_encoding_parameters( const opj_image_t *p_image,
1823                                         opj_cp_t *p_cp,
1824                                         OPJ_UINT32 p_tile_no )
1825 {
1826         /* encoding parameters to set */
1827         OPJ_UINT32 l_max_res;
1828         OPJ_UINT32 l_max_prec;
1829         OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1830         OPJ_UINT32 l_dx_min,l_dy_min;
1831
1832         /* pointers */
1833         opj_tcp_t *l_tcp = 00;
1834
1835         /* preconditions */
1836         assert(p_cp != 00);
1837         assert(p_image != 00);
1838         assert(p_tile_no < p_cp->tw * p_cp->th);
1839
1840         l_tcp = &(p_cp->tcps[p_tile_no]);
1841
1842         /* get encoding parameters */
1843         opj_get_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);
1844
1845         if (l_tcp->POC) {
1846                 opj_pi_update_encode_poc_and_final(p_cp,p_tile_no,l_tx0,l_tx1,l_ty0,l_ty1,l_max_prec,l_max_res,l_dx_min,l_dy_min);
1847         }
1848         else {
1849                 opj_pi_update_encode_not_poc(p_cp,p_image->numcomps,p_tile_no,l_tx0,l_tx1,l_ty0,l_ty1,l_max_prec,l_max_res,l_dx_min,l_dy_min);
1850         }
1851 }
1852
1853 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi) {
1854         switch (pi->poc.prg) {
1855                 case OPJ_LRCP:
1856                         return opj_pi_next_lrcp(pi);
1857                 case OPJ_RLCP:
1858                         return opj_pi_next_rlcp(pi);
1859                 case OPJ_RPCL:
1860                         return opj_pi_next_rpcl(pi);
1861                 case OPJ_PCRL:
1862                         return opj_pi_next_pcrl(pi);
1863                 case OPJ_CPRL:
1864                         return opj_pi_next_cprl(pi);
1865                 case OPJ_PROG_UNKNOWN:
1866                         return OPJ_FALSE;
1867         }
1868
1869         return OPJ_FALSE;
1870 }