2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2001-2003, David Janssens
10 * Copyright (c) 2002-2003, Yannick Verschueren
11 * Copyright (c) 2003-2007, Francois-Olivier Devaux
12 * Copyright (c) 2003-2014, Antonin Descampe
13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
14 * Copyright (c) 2006-2007, Parvatha Elangovan
15 * All rights reserved.
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
20 * 1. Redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer.
22 * 2. Redistributions in binary form must reproduce the above copyright
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27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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29 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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36 * POSSIBILITY OF SUCH DAMAGE.
39 #include "opj_includes.h"
41 /** @defgroup PI PI - Implementation of a packet iterator */
44 /** @name Local static functions */
48 Get next packet in layer-resolution-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
52 static OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi);
54 Get next packet in resolution-layer-component-precinct order.
55 @param pi packet iterator to modify
56 @return returns false if pi pointed to the last packet or else returns true
58 static OPJ_BOOL opj_pi_next_rlcp(opj_pi_iterator_t * pi);
60 Get next packet in resolution-precinct-component-layer order.
61 @param pi packet iterator to modify
62 @return returns false if pi pointed to the last packet or else returns true
64 static OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi);
66 Get next packet in precinct-component-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
70 static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi);
72 Get next packet in component-precinct-resolution-layer order.
73 @param pi packet iterator to modify
74 @return returns false if pi pointed to the last packet or else returns true
76 static OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi);
79 * Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used).
81 * @param p_cp the coding parameters to modify
82 * @param p_tileno the tile index being concerned.
83 * @param p_tx0 X0 parameter for the tile
84 * @param p_tx1 X1 parameter for the tile
85 * @param p_ty0 Y0 parameter for the tile
86 * @param p_ty1 Y1 parameter for the tile
87 * @param p_max_prec the maximum precision for all the bands of the tile
88 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
89 * @param p_dx_min the minimum dx of all the components of all the resolutions for the tile.
90 * @param p_dy_min the minimum dy of all the components of all the resolutions for the tile.
92 static void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
98 OPJ_UINT32 p_max_prec,
101 OPJ_UINT32 p_dy_min);
104 * Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used).
106 * @param p_cp the coding parameters to modify
107 * @param p_num_comps the number of components
108 * @param p_tileno the tile index being concerned.
109 * @param p_tx0 X0 parameter for the tile
110 * @param p_tx1 X1 parameter for the tile
111 * @param p_ty0 Y0 parameter for the tile
112 * @param p_ty1 Y1 parameter for the tile
113 * @param p_max_prec the maximum precision for all the bands of the tile
114 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
115 * @param p_dx_min the minimum dx of all the components of all the resolutions for the tile.
116 * @param p_dy_min the minimum dy of all the components of all the resolutions for the tile.
118 static void opj_pi_update_encode_not_poc ( opj_cp_t *p_cp,
119 OPJ_UINT32 p_num_comps,
125 OPJ_UINT32 p_max_prec,
126 OPJ_UINT32 p_max_res,
128 OPJ_UINT32 p_dy_min);
130 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
132 * @param p_image the image being encoded.
133 * @param p_cp the coding parameters.
134 * @param tileno the tile index of the tile being encoded.
135 * @param p_tx0 pointer that will hold the X0 parameter for the tile
136 * @param p_tx1 pointer that will hold the X1 parameter for the tile
137 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
138 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
139 * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
140 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
141 * @param p_dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
142 * @param p_dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
144 static void opj_get_encoding_parameters(const opj_image_t *p_image,
145 const opj_cp_t *p_cp,
151 OPJ_UINT32 * p_dx_min,
152 OPJ_UINT32 * p_dy_min,
153 OPJ_UINT32 * p_max_prec,
154 OPJ_UINT32 * p_max_res );
157 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
158 * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
159 * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
160 * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
161 * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...
163 * @param p_image the image being encoded.
164 * @param p_cp the coding parameters.
165 * @param tileno the tile index of the tile being encoded.
166 * @param p_tx0 pointer that will hold the X0 parameter for the tile
167 * @param p_tx1 pointer that will hold the X1 parameter for the tile
168 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
169 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
170 * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
171 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
172 * @param p_dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
173 * @param p_dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
174 * @param p_resolutions pointer to an area corresponding to the one described above.
176 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
177 const opj_cp_t *p_cp,
183 OPJ_UINT32 * p_dx_min,
184 OPJ_UINT32 * p_dy_min,
185 OPJ_UINT32 * p_max_prec,
186 OPJ_UINT32 * p_max_res,
187 OPJ_UINT32 ** p_resolutions );
189 * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
190 * No other data is set. The include section of the packet iterator is not allocated.
192 * @param p_image the image used to initialize the packet iterator (in fact only the number of components is relevant.
193 * @param p_cp the coding parameters.
194 * @param tileno the index of the tile from which creating the packet iterator.
196 static opj_pi_iterator_t * opj_pi_create( const opj_image_t *p_image,
197 const opj_cp_t *p_cp,
202 static void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
204 OPJ_UINT32 p_max_precision,
205 OPJ_UINT32 p_max_res);
209 static void opj_pi_update_decode_poc ( opj_pi_iterator_t * p_pi,
211 OPJ_UINT32 p_max_precision,
212 OPJ_UINT32 p_max_res);
217 static OPJ_BOOL opj_pi_check_next_level( OPJ_INT32 pos,
221 const OPJ_CHAR *prog);
228 ==========================================================
230 ==========================================================
233 static OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi) {
234 opj_pi_comp_t *comp = NULL;
235 opj_pi_resolution_t *res = NULL;
236 OPJ_UINT32 index = 0;
239 comp = &pi->comps[pi->compno];
240 res = &comp->resolutions[pi->resno];
246 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
247 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
249 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
250 comp = &pi->comps[pi->compno];
251 if (pi->resno >= comp->numresolutions) {
254 res = &comp->resolutions[pi->resno];
256 pi->poc.precno1 = res->pw * res->ph;
258 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
259 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
260 if (!pi->include[index]) {
261 pi->include[index] = 1;
273 static OPJ_BOOL opj_pi_next_rlcp(opj_pi_iterator_t * pi) {
274 opj_pi_comp_t *comp = NULL;
275 opj_pi_resolution_t *res = NULL;
276 OPJ_UINT32 index = 0;
279 comp = &pi->comps[pi->compno];
280 res = &comp->resolutions[pi->resno];
286 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
287 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
288 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
289 comp = &pi->comps[pi->compno];
290 if (pi->resno >= comp->numresolutions) {
293 res = &comp->resolutions[pi->resno];
295 pi->poc.precno1 = res->pw * res->ph;
297 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
298 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
299 if (!pi->include[index]) {
300 pi->include[index] = 1;
312 static OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi) {
313 opj_pi_comp_t *comp = NULL;
314 opj_pi_resolution_t *res = NULL;
315 OPJ_UINT32 index = 0;
320 OPJ_UINT32 compno, resno;
324 for (compno = 0; compno < pi->numcomps; compno++) {
325 comp = &pi->comps[compno];
326 for (resno = 0; resno < comp->numresolutions; resno++) {
328 res = &comp->resolutions[resno];
329 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
330 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
331 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
332 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
337 pi->poc.ty0 = pi->ty0;
338 pi->poc.tx0 = pi->tx0;
339 pi->poc.ty1 = pi->ty1;
340 pi->poc.tx1 = pi->tx1;
342 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
343 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
344 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
345 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
347 OPJ_INT32 trx0, try0;
348 OPJ_INT32 trx1, try1;
350 OPJ_INT32 prci, prcj;
351 comp = &pi->comps[pi->compno];
352 if (pi->resno >= comp->numresolutions) {
355 res = &comp->resolutions[pi->resno];
356 levelno = comp->numresolutions - 1 - pi->resno;
357 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
358 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
359 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
360 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
361 rpx = res->pdx + levelno;
362 rpy = res->pdy + levelno;
363 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
366 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
370 if ((res->pw==0)||(res->ph==0)) continue;
372 if ((trx0==trx1)||(try0==try1)) continue;
374 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
375 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
376 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
377 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
378 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
379 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
380 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
381 if (!pi->include[index]) {
382 pi->include[index] = 1;
395 static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi) {
396 opj_pi_comp_t *comp = NULL;
397 opj_pi_resolution_t *res = NULL;
398 OPJ_UINT32 index = 0;
401 comp = &pi->comps[pi->compno];
404 OPJ_UINT32 compno, resno;
408 for (compno = 0; compno < pi->numcomps; compno++) {
409 comp = &pi->comps[compno];
410 for (resno = 0; resno < comp->numresolutions; resno++) {
412 res = &comp->resolutions[resno];
413 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
414 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
415 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
416 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
421 pi->poc.ty0 = pi->ty0;
422 pi->poc.tx0 = pi->tx0;
423 pi->poc.ty1 = pi->ty1;
424 pi->poc.tx1 = pi->tx1;
426 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
427 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
428 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
429 comp = &pi->comps[pi->compno];
430 for (pi->resno = pi->poc.resno0; pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
432 OPJ_INT32 trx0, try0;
433 OPJ_INT32 trx1, try1;
435 OPJ_INT32 prci, prcj;
436 res = &comp->resolutions[pi->resno];
437 levelno = comp->numresolutions - 1 - pi->resno;
438 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
439 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
440 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
441 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
442 rpx = res->pdx + levelno;
443 rpy = res->pdy + levelno;
444 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
447 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
451 if ((res->pw==0)||(res->ph==0)) continue;
453 if ((trx0==trx1)||(try0==try1)) continue;
455 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
456 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
457 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
458 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
459 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
460 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
461 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
462 if (!pi->include[index]) {
463 pi->include[index] = 1;
476 static OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi) {
477 opj_pi_comp_t *comp = NULL;
478 opj_pi_resolution_t *res = NULL;
479 OPJ_UINT32 index = 0;
482 comp = &pi->comps[pi->compno];
488 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
490 comp = &pi->comps[pi->compno];
493 for (resno = 0; resno < comp->numresolutions; resno++) {
495 res = &comp->resolutions[resno];
496 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
497 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
498 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
499 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
502 pi->poc.ty0 = pi->ty0;
503 pi->poc.tx0 = pi->tx0;
504 pi->poc.ty1 = pi->ty1;
505 pi->poc.tx1 = pi->tx1;
507 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
508 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
509 for (pi->resno = pi->poc.resno0; pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
511 OPJ_INT32 trx0, try0;
512 OPJ_INT32 trx1, try1;
514 OPJ_INT32 prci, prcj;
515 res = &comp->resolutions[pi->resno];
516 levelno = comp->numresolutions - 1 - pi->resno;
517 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
518 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
519 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
520 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
521 rpx = res->pdx + levelno;
522 rpy = res->pdy + levelno;
523 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
526 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
530 if ((res->pw==0)||(res->ph==0)) continue;
532 if ((trx0==trx1)||(try0==try1)) continue;
534 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
535 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
536 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
537 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
538 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
539 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
540 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
541 if (!pi->include[index]) {
542 pi->include[index] = 1;
555 static void opj_get_encoding_parameters( const opj_image_t *p_image,
556 const opj_cp_t *p_cp,
562 OPJ_UINT32 * p_dx_min,
563 OPJ_UINT32 * p_dy_min,
564 OPJ_UINT32 * p_max_prec,
565 OPJ_UINT32 * p_max_res )
568 OPJ_UINT32 compno, resno;
570 const opj_tcp_t *l_tcp = 00;
571 const opj_tccp_t * l_tccp = 00;
572 const opj_image_comp_t * l_img_comp = 00;
574 /* position in x and y of tile */
579 assert(p_image != 00);
580 assert(p_tileno < p_cp->tw * p_cp->th);
582 /* initializations */
583 l_tcp = &p_cp->tcps [p_tileno];
584 l_img_comp = p_image->comps;
585 l_tccp = l_tcp->tccps;
587 /* here calculation of tx0, tx1, ty0, ty1, maxprec, dx and dy */
588 p = p_tileno % p_cp->tw;
589 q = p_tileno / p_cp->tw;
591 /* find extent of tile */
592 *p_tx0 = opj_int_max((OPJ_INT32)(p_cp->tx0 + p * p_cp->tdx), (OPJ_INT32)p_image->x0);
593 *p_tx1 = opj_int_min((OPJ_INT32)(p_cp->tx0 + (p + 1) * p_cp->tdx), (OPJ_INT32)p_image->x1);
594 *p_ty0 = opj_int_max((OPJ_INT32)(p_cp->ty0 + q * p_cp->tdy), (OPJ_INT32)p_image->y0);
595 *p_ty1 = opj_int_min((OPJ_INT32)(p_cp->ty0 + (q + 1) * p_cp->tdy), (OPJ_INT32)p_image->y1);
597 /* max precision is 0 (can only grow) */
601 /* take the largest value for dx_min and dy_min */
602 *p_dx_min = 0x7fffffff;
603 *p_dy_min = 0x7fffffff;
605 for (compno = 0; compno < p_image->numcomps; ++compno) {
606 /* arithmetic variables to calculate */
607 OPJ_UINT32 l_level_no;
608 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
609 OPJ_INT32 l_px0, l_py0, l_px1, py1;
610 OPJ_UINT32 l_pdx, l_pdy;
611 OPJ_UINT32 l_pw, l_ph;
612 OPJ_UINT32 l_product;
613 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
615 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
616 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
617 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
618 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
620 if (l_tccp->numresolutions > *p_max_res) {
621 *p_max_res = l_tccp->numresolutions;
624 /* use custom size for precincts */
625 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
626 OPJ_UINT32 l_dx, l_dy;
628 /* precinct width and height */
629 l_pdx = l_tccp->prcw[resno];
630 l_pdy = l_tccp->prch[resno];
632 l_dx = l_img_comp->dx * (1u << (l_pdx + l_tccp->numresolutions - 1 - resno));
633 l_dy = l_img_comp->dy * (1u << (l_pdy + l_tccp->numresolutions - 1 - resno));
635 /* take the minimum size for dx for each comp and resolution */
636 *p_dx_min = opj_uint_min(*p_dx_min, l_dx);
637 *p_dy_min = opj_uint_min(*p_dy_min, l_dy);
639 /* various calculations of extents */
640 l_level_no = l_tccp->numresolutions - 1 - resno;
642 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
643 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
644 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
645 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
647 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
648 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
649 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
651 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
653 l_pw = (l_rx0==l_rx1)?0:(OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
654 l_ph = (l_ry0==l_ry1)?0:(OPJ_UINT32)((py1 - l_py0) >> l_pdy);
656 l_product = l_pw * l_ph;
658 /* update precision */
659 if (l_product > *p_max_prec) {
660 *p_max_prec = l_product;
669 static void opj_get_all_encoding_parameters( const opj_image_t *p_image,
670 const opj_cp_t *p_cp,
676 OPJ_UINT32 * p_dx_min,
677 OPJ_UINT32 * p_dy_min,
678 OPJ_UINT32 * p_max_prec,
679 OPJ_UINT32 * p_max_res,
680 OPJ_UINT32 ** p_resolutions )
683 OPJ_UINT32 compno, resno;
686 const opj_tcp_t *tcp = 00;
687 const opj_tccp_t * l_tccp = 00;
688 const opj_image_comp_t * l_img_comp = 00;
690 /* to store l_dx, l_dy, w and h for each resolution and component.*/
691 OPJ_UINT32 * lResolutionPtr;
693 /* position in x and y of tile*/
696 /* non-corrected (in regard to image offset) tile offset */
697 OPJ_UINT32 l_tx0, l_ty0;
699 /* preconditions in debug*/
701 assert(p_image != 00);
702 assert(tileno < p_cp->tw * p_cp->th);
705 tcp = &p_cp->tcps [tileno];
707 l_img_comp = p_image->comps;
709 /* position in x and y of tile*/
710 p = tileno % p_cp->tw;
711 q = tileno / p_cp->tw;
713 /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
714 l_tx0 = p_cp->tx0 + p * p_cp->tdx; /* can't be greater than p_image->x1 so won't overflow */
715 *p_tx0 = (OPJ_INT32)opj_uint_max(l_tx0, p_image->x0);
716 *p_tx1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
717 l_ty0 = p_cp->ty0 + q * p_cp->tdy; /* can't be greater than p_image->y1 so won't overflow */
718 *p_ty0 = (OPJ_INT32)opj_uint_max(l_ty0, p_image->y0);
719 *p_ty1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
721 /* max precision and resolution is 0 (can only grow)*/
725 /* take the largest value for dx_min and dy_min*/
726 *p_dx_min = 0x7fffffff;
727 *p_dy_min = 0x7fffffff;
729 for (compno = 0; compno < p_image->numcomps; ++compno) {
730 /* aritmetic variables to calculate*/
731 OPJ_UINT32 l_level_no;
732 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
733 OPJ_INT32 l_px0, l_py0, l_px1, py1;
734 OPJ_UINT32 l_product;
735 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
736 OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph;
738 lResolutionPtr = p_resolutions[compno];
740 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
741 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
742 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
743 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
745 if (l_tccp->numresolutions > *p_max_res) {
746 *p_max_res = l_tccp->numresolutions;
749 /* use custom size for precincts*/
750 l_level_no = l_tccp->numresolutions - 1;
751 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
752 OPJ_UINT32 l_dx, l_dy;
754 /* precinct width and height*/
755 l_pdx = l_tccp->prcw[resno];
756 l_pdy = l_tccp->prch[resno];
757 *lResolutionPtr++ = l_pdx;
758 *lResolutionPtr++ = l_pdy;
759 l_dx = l_img_comp->dx * (1u << (l_pdx + l_level_no));
760 l_dy = l_img_comp->dy * (1u << (l_pdy + l_level_no));
761 /* take the minimum size for l_dx for each comp and resolution*/
762 *p_dx_min = (OPJ_UINT32)opj_int_min((OPJ_INT32)*p_dx_min, (OPJ_INT32)l_dx);
763 *p_dy_min = (OPJ_UINT32)opj_int_min((OPJ_INT32)*p_dy_min, (OPJ_INT32)l_dy);
765 /* various calculations of extents*/
766 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
767 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
768 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
769 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
770 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
771 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
772 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
773 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
774 l_pw = (l_rx0==l_rx1)?0:(OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
775 l_ph = (l_ry0==l_ry1)?0:(OPJ_UINT32)((py1 - l_py0) >> l_pdy);
776 *lResolutionPtr++ = l_pw;
777 *lResolutionPtr++ = l_ph;
778 l_product = l_pw * l_ph;
780 /* update precision*/
781 if (l_product > *p_max_prec) {
782 *p_max_prec = l_product;
792 static opj_pi_iterator_t * opj_pi_create( const opj_image_t *image,
797 OPJ_UINT32 pino, compno;
798 /* number of poc in the p_pi*/
799 OPJ_UINT32 l_poc_bound;
801 /* pointers to tile coding parameters and components.*/
802 opj_pi_iterator_t *l_pi = 00;
804 const opj_tccp_t *tccp = 00;
806 /* current packet iterator being allocated*/
807 opj_pi_iterator_t *l_current_pi = 00;
809 /* preconditions in debug*/
812 assert(tileno < cp->tw * cp->th);
815 tcp = &cp->tcps[tileno];
816 l_poc_bound = tcp->numpocs+1;
818 /* memory allocations*/
819 l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
825 for (pino = 0; pino < l_poc_bound ; ++pino) {
827 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
828 if (! l_current_pi->comps) {
829 opj_pi_destroy(l_pi, l_poc_bound);
833 l_current_pi->numcomps = image->numcomps;
835 for (compno = 0; compno < image->numcomps; ++compno) {
836 opj_pi_comp_t *comp = &l_current_pi->comps[compno];
838 tccp = &tcp->tccps[compno];
840 comp->resolutions = (opj_pi_resolution_t*) opj_calloc(tccp->numresolutions, sizeof(opj_pi_resolution_t));
841 if (!comp->resolutions) {
842 opj_pi_destroy(l_pi, l_poc_bound);
846 comp->numresolutions = tccp->numresolutions;
853 static void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
859 OPJ_UINT32 p_max_prec,
860 OPJ_UINT32 p_max_res,
866 /* tile coding parameter*/
867 opj_tcp_t *l_tcp = 00;
868 /* current poc being updated*/
869 opj_poc_t * l_current_poc = 00;
872 OPJ_UINT32 l_poc_bound;
874 OPJ_ARG_NOT_USED(p_max_res);
876 /* preconditions in debug*/
878 assert(p_tileno < p_cp->tw * p_cp->th);
881 l_tcp = &p_cp->tcps [p_tileno];
882 /* number of iterations in the loop */
883 l_poc_bound = l_tcp->numpocs+1;
885 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
886 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
887 l_current_poc = l_tcp->pocs;
889 l_current_poc->compS = l_current_poc->compno0;
890 l_current_poc->compE = l_current_poc->compno1;
891 l_current_poc->resS = l_current_poc->resno0;
892 l_current_poc->resE = l_current_poc->resno1;
893 l_current_poc->layE = l_current_poc->layno1;
895 /* special treatment for the first element*/
896 l_current_poc->layS = 0;
897 l_current_poc->prg = l_current_poc->prg1;
898 l_current_poc->prcS = 0;
900 l_current_poc->prcE = p_max_prec;
901 l_current_poc->txS = (OPJ_UINT32)p_tx0;
902 l_current_poc->txE = (OPJ_UINT32)p_tx1;
903 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
904 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
905 l_current_poc->dx = p_dx_min;
906 l_current_poc->dy = p_dy_min;
909 for (pino = 1;pino < l_poc_bound ; ++pino) {
910 l_current_poc->compS = l_current_poc->compno0;
911 l_current_poc->compE= l_current_poc->compno1;
912 l_current_poc->resS = l_current_poc->resno0;
913 l_current_poc->resE = l_current_poc->resno1;
914 l_current_poc->layE = l_current_poc->layno1;
915 l_current_poc->prg = l_current_poc->prg1;
916 l_current_poc->prcS = 0;
917 /* special treatment here different from the first element*/
918 l_current_poc->layS = (l_current_poc->layE > (l_current_poc-1)->layE) ? l_current_poc->layE : 0;
920 l_current_poc->prcE = p_max_prec;
921 l_current_poc->txS = (OPJ_UINT32)p_tx0;
922 l_current_poc->txE = (OPJ_UINT32)p_tx1;
923 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
924 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
925 l_current_poc->dx = p_dx_min;
926 l_current_poc->dy = p_dy_min;
931 static void opj_pi_update_encode_not_poc ( opj_cp_t *p_cp,
932 OPJ_UINT32 p_num_comps,
938 OPJ_UINT32 p_max_prec,
939 OPJ_UINT32 p_max_res,
945 /* tile coding parameter*/
946 opj_tcp_t *l_tcp = 00;
947 /* current poc being updated*/
948 opj_poc_t * l_current_poc = 00;
950 OPJ_UINT32 l_poc_bound;
952 /* preconditions in debug*/
954 assert(p_tileno < p_cp->tw * p_cp->th);
957 l_tcp = &p_cp->tcps [p_tileno];
959 /* number of iterations in the loop */
960 l_poc_bound = l_tcp->numpocs+1;
962 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
963 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
964 l_current_poc = l_tcp->pocs;
966 for (pino = 0; pino < l_poc_bound ; ++pino) {
967 l_current_poc->compS = 0;
968 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
969 l_current_poc->resS = 0;
970 l_current_poc->resE = p_max_res;
971 l_current_poc->layS = 0;
972 l_current_poc->layE = l_tcp->numlayers;
973 l_current_poc->prg = l_tcp->prg;
974 l_current_poc->prcS = 0;
975 l_current_poc->prcE = p_max_prec;
976 l_current_poc->txS = (OPJ_UINT32)p_tx0;
977 l_current_poc->txE = (OPJ_UINT32)p_tx1;
978 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
979 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
980 l_current_poc->dx = p_dx_min;
981 l_current_poc->dy = p_dy_min;
986 static void opj_pi_update_decode_poc (opj_pi_iterator_t * p_pi,
988 OPJ_UINT32 p_max_precision,
989 OPJ_UINT32 p_max_res)
994 /* encoding prameters to set*/
997 opj_pi_iterator_t * l_current_pi = 00;
998 opj_poc_t* l_current_poc = 0;
1000 OPJ_ARG_NOT_USED(p_max_res);
1002 /* preconditions in debug*/
1004 assert(p_tcp != 00);
1006 /* initializations*/
1007 l_bound = p_tcp->numpocs+1;
1008 l_current_pi = p_pi;
1009 l_current_poc = p_tcp->pocs;
1011 for (pino = 0;pino<l_bound;++pino) {
1012 l_current_pi->poc.prg = l_current_poc->prg; /* Progression Order #0 */
1013 l_current_pi->first = 1;
1015 l_current_pi->poc.resno0 = l_current_poc->resno0; /* Resolution Level Index #0 (Start) */
1016 l_current_pi->poc.compno0 = l_current_poc->compno0; /* Component Index #0 (Start) */
1017 l_current_pi->poc.layno0 = 0;
1018 l_current_pi->poc.precno0 = 0;
1019 l_current_pi->poc.resno1 = l_current_poc->resno1; /* Resolution Level Index #0 (End) */
1020 l_current_pi->poc.compno1 = l_current_poc->compno1; /* Component Index #0 (End) */
1021 l_current_pi->poc.layno1 = l_current_poc->layno1; /* Layer Index #0 (End) */
1022 l_current_pi->poc.precno1 = p_max_precision;
1028 static void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
1030 OPJ_UINT32 p_max_precision,
1031 OPJ_UINT32 p_max_res)
1036 /* encoding prameters to set*/
1039 opj_pi_iterator_t * l_current_pi = 00;
1040 /* preconditions in debug*/
1041 assert(p_tcp != 00);
1044 /* initializations*/
1045 l_bound = p_tcp->numpocs+1;
1046 l_current_pi = p_pi;
1048 for (pino = 0;pino<l_bound;++pino) {
1049 l_current_pi->poc.prg = p_tcp->prg;
1050 l_current_pi->first = 1;
1051 l_current_pi->poc.resno0 = 0;
1052 l_current_pi->poc.compno0 = 0;
1053 l_current_pi->poc.layno0 = 0;
1054 l_current_pi->poc.precno0 = 0;
1055 l_current_pi->poc.resno1 = p_max_res;
1056 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1057 l_current_pi->poc.layno1 = p_tcp->numlayers;
1058 l_current_pi->poc.precno1 = p_max_precision;
1065 static OPJ_BOOL opj_pi_check_next_level( OPJ_INT32 pos,
1069 const OPJ_CHAR *prog)
1072 opj_tcp_t *tcps =&cp->tcps[tileno];
1073 opj_poc_t *tcp = &tcps->pocs[pino];
1076 for(i=pos;pos>=0;i--){
1079 if(tcp->res_t==tcp->resE){
1080 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1090 if(tcp->comp_t==tcp->compE){
1091 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1101 if(tcp->lay_t==tcp->layE){
1102 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1113 case OPJ_LRCP: /* fall through */
1115 if(tcp->prc_t == tcp->prcE){
1116 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1126 if(tcp->tx0_t == tcp->txE){
1128 if(tcp->ty0_t == tcp->tyE){
1129 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1150 ==========================================================
1151 Packet iterator interface
1152 ==========================================================
1154 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
1156 OPJ_UINT32 p_tile_no)
1160 OPJ_UINT32 compno, resno;
1162 /* to store w, h, dx and dy fro all components and resolutions */
1163 OPJ_UINT32 * l_tmp_data;
1164 OPJ_UINT32 ** l_tmp_ptr;
1166 /* encoding prameters to set */
1167 OPJ_UINT32 l_max_res;
1168 OPJ_UINT32 l_max_prec;
1169 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1170 OPJ_UINT32 l_dx_min,l_dy_min;
1172 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1173 OPJ_UINT32 l_data_stride;
1176 opj_pi_iterator_t *l_pi = 00;
1177 opj_tcp_t *l_tcp = 00;
1178 const opj_tccp_t *l_tccp = 00;
1179 opj_pi_comp_t *l_current_comp = 00;
1180 opj_image_comp_t * l_img_comp = 00;
1181 opj_pi_iterator_t * l_current_pi = 00;
1182 OPJ_UINT32 * l_encoding_value_ptr = 00;
1184 /* preconditions in debug */
1186 assert(p_image != 00);
1187 assert(p_tile_no < p_cp->tw * p_cp->th);
1189 /* initializations */
1190 l_tcp = &p_cp->tcps[p_tile_no];
1191 l_bound = l_tcp->numpocs+1;
1193 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1194 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1195 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1201 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1202 p_image->numcomps * sizeof(OPJ_UINT32 *));
1206 opj_free(l_tmp_data);
1210 /* memory allocation for pi */
1211 l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1213 opj_free(l_tmp_data);
1214 opj_free(l_tmp_ptr);
1218 l_encoding_value_ptr = l_tmp_data;
1219 /* update pointer array */
1221 (compno = 0; compno < p_image->numcomps; ++compno)
1223 l_tmp_ptr[compno] = l_encoding_value_ptr;
1224 l_encoding_value_ptr += l_data_stride;
1226 /* get encoding parameters */
1227 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);
1229 /* step calculations */
1231 l_step_c = l_max_prec * l_step_p;
1232 l_step_r = p_image->numcomps * l_step_c;
1233 l_step_l = l_max_res * l_step_r;
1235 /* set values for first packet iterator */
1236 l_current_pi = l_pi;
1238 /* memory allocation for include */
1239 l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
1241 (!l_current_pi->include)
1243 opj_free(l_tmp_data);
1244 opj_free(l_tmp_ptr);
1245 opj_pi_destroy(l_pi, l_bound);
1249 /* special treatment for the first packet iterator */
1250 l_current_comp = l_current_pi->comps;
1251 l_img_comp = p_image->comps;
1252 l_tccp = l_tcp->tccps;
1254 l_current_pi->tx0 = l_tx0;
1255 l_current_pi->ty0 = l_ty0;
1256 l_current_pi->tx1 = l_tx1;
1257 l_current_pi->ty1 = l_ty1;
1259 /*l_current_pi->dx = l_img_comp->dx;*/
1260 /*l_current_pi->dy = l_img_comp->dy;*/
1262 l_current_pi->step_p = l_step_p;
1263 l_current_pi->step_c = l_step_c;
1264 l_current_pi->step_r = l_step_r;
1265 l_current_pi->step_l = l_step_l;
1267 /* allocation for components and number of components has already been calculated by opj_pi_create */
1269 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1271 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1272 l_encoding_value_ptr = l_tmp_ptr[compno];
1274 l_current_comp->dx = l_img_comp->dx;
1275 l_current_comp->dy = l_img_comp->dy;
1276 /* resolutions have already been initialized */
1278 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1280 l_res->pdx = *(l_encoding_value_ptr++);
1281 l_res->pdy = *(l_encoding_value_ptr++);
1282 l_res->pw = *(l_encoding_value_ptr++);
1283 l_res->ph = *(l_encoding_value_ptr++);
1292 for (pino = 1 ; pino<l_bound ; ++pino )
1294 l_current_comp = l_current_pi->comps;
1295 l_img_comp = p_image->comps;
1296 l_tccp = l_tcp->tccps;
1298 l_current_pi->tx0 = l_tx0;
1299 l_current_pi->ty0 = l_ty0;
1300 l_current_pi->tx1 = l_tx1;
1301 l_current_pi->ty1 = l_ty1;
1302 /*l_current_pi->dx = l_dx_min;*/
1303 /*l_current_pi->dy = l_dy_min;*/
1304 l_current_pi->step_p = l_step_p;
1305 l_current_pi->step_c = l_step_c;
1306 l_current_pi->step_r = l_step_r;
1307 l_current_pi->step_l = l_step_l;
1309 /* allocation for components and number of components has already been calculated by opj_pi_create */
1311 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1313 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1314 l_encoding_value_ptr = l_tmp_ptr[compno];
1316 l_current_comp->dx = l_img_comp->dx;
1317 l_current_comp->dy = l_img_comp->dy;
1318 /* resolutions have already been initialized */
1320 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1322 l_res->pdx = *(l_encoding_value_ptr++);
1323 l_res->pdy = *(l_encoding_value_ptr++);
1324 l_res->pw = *(l_encoding_value_ptr++);
1325 l_res->ph = *(l_encoding_value_ptr++);
1332 /* special treatment*/
1333 l_current_pi->include = (l_current_pi-1)->include;
1336 opj_free(l_tmp_data);
1338 opj_free(l_tmp_ptr);
1343 opj_pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
1347 opj_pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
1354 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
1356 OPJ_UINT32 p_tile_no,
1357 J2K_T2_MODE p_t2_mode )
1361 OPJ_UINT32 compno, resno;
1363 /* to store w, h, dx and dy fro all components and resolutions*/
1364 OPJ_UINT32 * l_tmp_data;
1365 OPJ_UINT32 ** l_tmp_ptr;
1367 /* encoding prameters to set*/
1368 OPJ_UINT32 l_max_res;
1369 OPJ_UINT32 l_max_prec;
1370 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1371 OPJ_UINT32 l_dx_min,l_dy_min;
1373 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1374 OPJ_UINT32 l_data_stride;
1377 opj_pi_iterator_t *l_pi = 00;
1378 opj_tcp_t *l_tcp = 00;
1379 const opj_tccp_t *l_tccp = 00;
1380 opj_pi_comp_t *l_current_comp = 00;
1381 opj_image_comp_t * l_img_comp = 00;
1382 opj_pi_iterator_t * l_current_pi = 00;
1383 OPJ_UINT32 * l_encoding_value_ptr = 00;
1385 /* preconditions in debug*/
1387 assert(p_image != 00);
1388 assert(p_tile_no < p_cp->tw * p_cp->th);
1390 /* initializations*/
1391 l_tcp = &p_cp->tcps[p_tile_no];
1392 l_bound = l_tcp->numpocs+1;
1394 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1395 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1396 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1401 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1402 p_image->numcomps * sizeof(OPJ_UINT32 *));
1404 opj_free(l_tmp_data);
1408 /* memory allocation for pi*/
1409 l_pi = opj_pi_create(p_image,p_cp,p_tile_no);
1411 opj_free(l_tmp_data);
1412 opj_free(l_tmp_ptr);
1416 l_encoding_value_ptr = l_tmp_data;
1417 /* update pointer array*/
1418 for (compno = 0; compno < p_image->numcomps; ++compno) {
1419 l_tmp_ptr[compno] = l_encoding_value_ptr;
1420 l_encoding_value_ptr += l_data_stride;
1423 /* get encoding parameters*/
1424 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);
1426 /* step calculations*/
1428 l_step_c = l_max_prec * l_step_p;
1429 l_step_r = p_image->numcomps * l_step_c;
1430 l_step_l = l_max_res * l_step_r;
1432 /* set values for first packet iterator*/
1433 l_pi->tp_on = p_cp->m_specific_param.m_enc.m_tp_on;
1434 l_current_pi = l_pi;
1436 /* memory allocation for include*/
1437 l_current_pi->include = (OPJ_INT16*) opj_calloc(l_tcp->numlayers * l_step_l, sizeof(OPJ_INT16));
1438 if (!l_current_pi->include) {
1439 opj_free(l_tmp_data);
1440 opj_free(l_tmp_ptr);
1441 opj_pi_destroy(l_pi, l_bound);
1445 /* special treatment for the first packet iterator*/
1446 l_current_comp = l_current_pi->comps;
1447 l_img_comp = p_image->comps;
1448 l_tccp = l_tcp->tccps;
1449 l_current_pi->tx0 = l_tx0;
1450 l_current_pi->ty0 = l_ty0;
1451 l_current_pi->tx1 = l_tx1;
1452 l_current_pi->ty1 = l_ty1;
1453 l_current_pi->dx = l_dx_min;
1454 l_current_pi->dy = l_dy_min;
1455 l_current_pi->step_p = l_step_p;
1456 l_current_pi->step_c = l_step_c;
1457 l_current_pi->step_r = l_step_r;
1458 l_current_pi->step_l = l_step_l;
1460 /* allocation for components and number of components has already been calculated by opj_pi_create */
1461 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1462 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1463 l_encoding_value_ptr = l_tmp_ptr[compno];
1465 l_current_comp->dx = l_img_comp->dx;
1466 l_current_comp->dy = l_img_comp->dy;
1468 /* resolutions have already been initialized */
1469 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1470 l_res->pdx = *(l_encoding_value_ptr++);
1471 l_res->pdy = *(l_encoding_value_ptr++);
1472 l_res->pw = *(l_encoding_value_ptr++);
1473 l_res->ph = *(l_encoding_value_ptr++);
1483 for (pino = 1 ; pino<l_bound ; ++pino ) {
1484 l_current_comp = l_current_pi->comps;
1485 l_img_comp = p_image->comps;
1486 l_tccp = l_tcp->tccps;
1488 l_current_pi->tx0 = l_tx0;
1489 l_current_pi->ty0 = l_ty0;
1490 l_current_pi->tx1 = l_tx1;
1491 l_current_pi->ty1 = l_ty1;
1492 l_current_pi->dx = l_dx_min;
1493 l_current_pi->dy = l_dy_min;
1494 l_current_pi->step_p = l_step_p;
1495 l_current_pi->step_c = l_step_c;
1496 l_current_pi->step_r = l_step_r;
1497 l_current_pi->step_l = l_step_l;
1499 /* allocation for components and number of components has already been calculated by opj_pi_create */
1500 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1501 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1502 l_encoding_value_ptr = l_tmp_ptr[compno];
1504 l_current_comp->dx = l_img_comp->dx;
1505 l_current_comp->dy = l_img_comp->dy;
1506 /* resolutions have already been initialized */
1507 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1508 l_res->pdx = *(l_encoding_value_ptr++);
1509 l_res->pdy = *(l_encoding_value_ptr++);
1510 l_res->pw = *(l_encoding_value_ptr++);
1511 l_res->ph = *(l_encoding_value_ptr++);
1519 /* special treatment*/
1520 l_current_pi->include = (l_current_pi-1)->include;
1524 opj_free(l_tmp_data);
1526 opj_free(l_tmp_ptr);
1529 if (l_tcp->POC && (OPJ_IS_CINEMA(p_cp->rsiz) || p_t2_mode == FINAL_PASS)) {
1530 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);
1533 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);
1539 void opj_pi_create_encode( opj_pi_iterator_t *pi,
1545 J2K_T2_MODE t2_mode)
1547 const OPJ_CHAR *prog;
1549 OPJ_UINT32 incr_top=1,resetX=0;
1550 opj_tcp_t *tcps =&cp->tcps[tileno];
1551 opj_poc_t *tcp= &tcps->pocs[pino];
1553 prog = opj_j2k_convert_progression_order(tcp->prg);
1556 pi[pino].poc.prg = tcp->prg;
1558 if(!(cp->m_specific_param.m_enc.m_tp_on && ((!OPJ_IS_CINEMA(cp->rsiz) && (t2_mode == FINAL_PASS)) || OPJ_IS_CINEMA(cp->rsiz)))){
1559 pi[pino].poc.resno0 = tcp->resS;
1560 pi[pino].poc.resno1 = tcp->resE;
1561 pi[pino].poc.compno0 = tcp->compS;
1562 pi[pino].poc.compno1 = tcp->compE;
1563 pi[pino].poc.layno0 = tcp->layS;
1564 pi[pino].poc.layno1 = tcp->layE;
1565 pi[pino].poc.precno0 = tcp->prcS;
1566 pi[pino].poc.precno1 = tcp->prcE;
1567 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1568 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1569 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1570 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1572 for(i=tppos+1;i<4;i++){
1575 pi[pino].poc.resno0 = tcp->resS;
1576 pi[pino].poc.resno1 = tcp->resE;
1579 pi[pino].poc.compno0 = tcp->compS;
1580 pi[pino].poc.compno1 = tcp->compE;
1583 pi[pino].poc.layno0 = tcp->layS;
1584 pi[pino].poc.layno1 = tcp->layE;
1590 pi[pino].poc.precno0 = tcp->prcS;
1591 pi[pino].poc.precno1 = tcp->prcE;
1594 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1595 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1596 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1597 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1605 for(i=tppos;i>=0;i--){
1608 tcp->comp_t = tcp->compS;
1609 pi[pino].poc.compno0 = tcp->comp_t;
1610 pi[pino].poc.compno1 = tcp->comp_t+1;
1614 tcp->res_t = tcp->resS;
1615 pi[pino].poc.resno0 = tcp->res_t;
1616 pi[pino].poc.resno1 = tcp->res_t+1;
1620 tcp->lay_t = tcp->layS;
1621 pi[pino].poc.layno0 = tcp->lay_t;
1622 pi[pino].poc.layno1 = tcp->lay_t+1;
1629 tcp->prc_t = tcp->prcS;
1630 pi[pino].poc.precno0 = tcp->prc_t;
1631 pi[pino].poc.precno1 = tcp->prc_t+1;
1635 tcp->tx0_t = tcp->txS;
1636 tcp->ty0_t = tcp->tyS;
1637 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1638 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
1639 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1640 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1641 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1642 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1650 for(i=tppos;i>=0;i--){
1653 pi[pino].poc.compno0 = tcp->comp_t-1;
1654 pi[pino].poc.compno1 = tcp->comp_t;
1657 pi[pino].poc.resno0 = tcp->res_t-1;
1658 pi[pino].poc.resno1 = tcp->res_t;
1661 pi[pino].poc.layno0 = tcp->lay_t-1;
1662 pi[pino].poc.layno1 = tcp->lay_t;
1668 pi[pino].poc.precno0 = tcp->prc_t-1;
1669 pi[pino].poc.precno1 = tcp->prc_t;
1672 pi[pino].poc.tx0 = (OPJ_INT32)(tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx));
1673 pi[pino].poc.tx1 = (OPJ_INT32)tcp->tx0_t ;
1674 pi[pino].poc.ty0 = (OPJ_INT32)(tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy));
1675 pi[pino].poc.ty1 = (OPJ_INT32)tcp->ty0_t ;
1683 if(tcp->res_t==tcp->resE){
1684 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1685 tcp->res_t = tcp->resS;
1686 pi[pino].poc.resno0 = tcp->res_t;
1687 pi[pino].poc.resno1 = tcp->res_t+1;
1694 pi[pino].poc.resno0 = tcp->res_t;
1695 pi[pino].poc.resno1 = tcp->res_t+1;
1701 if(tcp->comp_t ==tcp->compE){
1702 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1703 tcp->comp_t = tcp->compS;
1704 pi[pino].poc.compno0 = tcp->comp_t;
1705 pi[pino].poc.compno1 = tcp->comp_t+1;
1712 pi[pino].poc.compno0 = tcp->comp_t;
1713 pi[pino].poc.compno1 = tcp->comp_t+1;
1719 if(tcp->lay_t == tcp->layE){
1720 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1721 tcp->lay_t = tcp->layS;
1722 pi[pino].poc.layno0 = tcp->lay_t;
1723 pi[pino].poc.layno1 = tcp->lay_t+1;
1730 pi[pino].poc.layno0 = tcp->lay_t;
1731 pi[pino].poc.layno1 = tcp->lay_t+1;
1740 if(tcp->prc_t == tcp->prcE){
1741 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1742 tcp->prc_t = tcp->prcS;
1743 pi[pino].poc.precno0 = tcp->prc_t;
1744 pi[pino].poc.precno1 = tcp->prc_t+1;
1751 pi[pino].poc.precno0 = tcp->prc_t;
1752 pi[pino].poc.precno1 = tcp->prc_t+1;
1758 if(tcp->tx0_t >= tcp->txE){
1759 if(tcp->ty0_t >= tcp->tyE){
1760 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1761 tcp->ty0_t = tcp->tyS;
1762 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1763 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1764 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1765 incr_top=1;resetX=1;
1767 incr_top=0;resetX=0;
1770 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1771 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1772 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1773 incr_top=0;resetX=1;
1776 tcp->tx0_t = tcp->txS;
1777 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1778 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx));
1779 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1782 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1783 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx));
1784 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1797 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
1798 OPJ_UINT32 p_nb_elements)
1800 OPJ_UINT32 compno, pino;
1801 opj_pi_iterator_t *l_current_pi = p_pi;
1803 if (p_pi->include) {
1804 opj_free(p_pi->include);
1807 for (pino = 0; pino < p_nb_elements; ++pino){
1808 if(l_current_pi->comps) {
1809 opj_pi_comp_t *l_current_component = l_current_pi->comps;
1810 for (compno = 0; compno < l_current_pi->numcomps; compno++){
1811 if(l_current_component->resolutions) {
1812 opj_free(l_current_component->resolutions);
1813 l_current_component->resolutions = 00;
1816 ++l_current_component;
1818 opj_free(l_current_pi->comps);
1819 l_current_pi->comps = 0;
1829 void opj_pi_update_encoding_parameters( const opj_image_t *p_image,
1831 OPJ_UINT32 p_tile_no )
1833 /* encoding parameters to set */
1834 OPJ_UINT32 l_max_res;
1835 OPJ_UINT32 l_max_prec;
1836 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1837 OPJ_UINT32 l_dx_min,l_dy_min;
1840 opj_tcp_t *l_tcp = 00;
1844 assert(p_image != 00);
1845 assert(p_tile_no < p_cp->tw * p_cp->th);
1847 l_tcp = &(p_cp->tcps[p_tile_no]);
1849 /* get encoding parameters */
1850 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);
1853 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);
1856 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);
1860 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi) {
1861 switch (pi->poc.prg) {
1863 return opj_pi_next_lrcp(pi);
1865 return opj_pi_next_rlcp(pi);
1867 return opj_pi_next_rpcl(pi);
1869 return opj_pi_next_pcrl(pi);
1871 return opj_pi_next_cprl(pi);
1872 case OPJ_PROG_UNKNOWN: