1 /*
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.
6 *
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.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
19 * are met:
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
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
30 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #define OPJ_UINT32_SEMANTICALLY_BUT_INT32 OPJ_UINT32
40
41 #include "opj_includes.h"
42
43 /** @defgroup PI PI - Implementation of a packet iterator */
44 /*@{*/
45
46 /** @name Local static functions */
47 /*@{*/
48
49 /**
50 Get next packet in layer-resolution-component-precinct order.
51 @param pi packet iterator to modify
52 @return returns false if pi pointed to the last packet or else returns true
53 */
54 static OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi);
55 /**
56 Get next packet in resolution-layer-component-precinct order.
57 @param pi packet iterator to modify
58 @return returns false if pi pointed to the last packet or else returns true
59 */
60 static OPJ_BOOL opj_pi_next_rlcp(opj_pi_iterator_t * pi);
61 /**
62 Get next packet in resolution-precinct-component-layer order.
63 @param pi packet iterator to modify
64 @return returns false if pi pointed to the last packet or else returns true
65 */
66 static OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi);
67 /**
68 Get next packet in precinct-component-resolution-layer order.
69 @param pi packet iterator to modify
70 @return returns false if pi pointed to the last packet or else returns true
71 */
72 static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi);
73 /**
74 Get next packet in component-precinct-resolution-layer order.
75 @param pi packet iterator to modify
76 @return returns false if pi pointed to the last packet or else returns true
77 */
78 static OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi);
79
80 /**
81 * Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used).
82 *
83 * @param p_cp the coding parameters to modify
84 * @param p_tileno the tile index being concerned.
85 * @param p_tx0 X0 parameter for the tile
86 * @param p_tx1 X1 parameter for the tile
87 * @param p_ty0 Y0 parameter for the tile
88 * @param p_ty1 Y1 parameter for the tile
89 * @param p_max_prec the maximum precision for all the bands of the tile
90 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
91 * @param p_dx_min the minimum dx of all the components of all the resolutions for the tile.
92 * @param p_dy_min the minimum dy of all the components of all the resolutions for the tile.
93 */
94 static void opj_pi_update_encode_poc_and_final(opj_cp_t *p_cp,
95 OPJ_UINT32 p_tileno,
96 OPJ_UINT32 p_tx0,
97 OPJ_UINT32 p_tx1,
98 OPJ_UINT32 p_ty0,
99 OPJ_UINT32 p_ty1,
100 OPJ_UINT32 p_max_prec,
101 OPJ_UINT32 p_max_res,
102 OPJ_UINT32 p_dx_min,
103 OPJ_UINT32 p_dy_min);
104
105 /**
106 * Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used).
107 *
108 * @param p_cp the coding parameters to modify
109 * @param p_num_comps the number of components
110 * @param p_tileno the tile index being concerned.
111 * @param p_tx0 X0 parameter for the tile
112 * @param p_tx1 X1 parameter for the tile
113 * @param p_ty0 Y0 parameter for the tile
114 * @param p_ty1 Y1 parameter for the tile
115 * @param p_max_prec the maximum precision for all the bands of the tile
116 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
117 * @param p_dx_min the minimum dx of all the components of all the resolutions for the tile.
118 * @param p_dy_min the minimum dy of all the components of all the resolutions for the tile.
119 */
120 static void opj_pi_update_encode_not_poc(opj_cp_t *p_cp,
121 OPJ_UINT32 p_num_comps,
122 OPJ_UINT32 p_tileno,
123 OPJ_UINT32 p_tx0,
124 OPJ_UINT32 p_tx1,
125 OPJ_UINT32 p_ty0,
126 OPJ_UINT32 p_ty1,
127 OPJ_UINT32 p_max_prec,
128 OPJ_UINT32 p_max_res,
129 OPJ_UINT32 p_dx_min,
130 OPJ_UINT32 p_dy_min);
131 /**
132 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
133 *
134 * @param p_image the image being encoded.
135 * @param p_cp the coding parameters.
136 * @param tileno the tile index of the tile being encoded.
137 * @param p_tx0 pointer that will hold the X0 parameter for the tile
138 * @param p_tx1 pointer that will hold the X1 parameter for the tile
139 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
140 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
141 * @param p_max_prec pointer that will hold the maximum precision for all the bands of the tile
142 * @param p_max_res pointer that will hold the maximum number of resolutions for all the poc inside the tile.
143 * @param p_dx_min pointer that will hold the minimum dx of all the components of all the resolutions for the tile.
144 * @param p_dy_min pointer that will hold the minimum dy of all the components of all the resolutions for the tile.
145 */
146 static void opj_get_encoding_parameters(const opj_image_t *p_image,
147 const opj_cp_t *p_cp,
148 OPJ_UINT32 tileno,
149 OPJ_UINT32 * p_tx0,
150 OPJ_UINT32 * p_tx1,
151 OPJ_UINT32 * p_ty0,
152 OPJ_UINT32 * p_ty1,
153 OPJ_UINT32 * p_dx_min,
154 OPJ_UINT32 * p_dy_min,
155 OPJ_UINT32 * p_max_prec,
156 OPJ_UINT32 * p_max_res);
157
158 /**
159 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
160 * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
161 * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
162 * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
163 * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...
164 *
165 * @param p_image the image being encoded.
166 * @param p_cp the coding parameters.
167 * @param tileno the tile index of the tile being encoded.
168 * @param p_tx0 pointer that will hold the X0 parameter for the tile
169 * @param p_tx1 pointer that will hold the X1 parameter for the tile
170 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
171 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
172 * @param p_max_prec pointer that will hold the maximum precision for all the bands of the tile
173 * @param p_max_res pointer that will hold the maximum number of resolutions for all the poc inside the tile.
174 * @param p_dx_min pointer that will hold the minimum dx of all the components of all the resolutions for the tile.
175 * @param p_dy_min pointer that will hold the minimum dy of all the components of all the resolutions for the tile.
176 * @param p_resolutions pointer to an area corresponding to the one described above.
177 */
178 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
179 const opj_cp_t *p_cp,
180 OPJ_UINT32 tileno,
181 OPJ_UINT32 * p_tx0,
182 OPJ_UINT32 * p_tx1,
183 OPJ_UINT32 * p_ty0,
184 OPJ_UINT32 * p_ty1,
185 OPJ_UINT32 * p_dx_min,
186 OPJ_UINT32 * p_dy_min,
187 OPJ_UINT32 * p_max_prec,
188 OPJ_UINT32 * p_max_res,
189 OPJ_UINT32 ** p_resolutions);
190 /**
191 * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
192 * No other data is set. The include section of the packet iterator is not allocated.
193 *
194 * @param p_image the image used to initialize the packet iterator (in fact only the number of components is relevant.
195 * @param p_cp the coding parameters.
196 * @param tileno the index of the tile from which creating the packet iterator.
197 * @param manager Event manager
198 */
199 static opj_pi_iterator_t * opj_pi_create(const opj_image_t *p_image,
200 const opj_cp_t *p_cp,
201 OPJ_UINT32 tileno,
202 opj_event_mgr_t* manager);
203 /**
204 * FIXME DOC
205 */
206 static void opj_pi_update_decode_not_poc(opj_pi_iterator_t * p_pi,
207 opj_tcp_t * p_tcp,
208 OPJ_UINT32 p_max_precision,
209 OPJ_UINT32 p_max_res);
210 /**
211 * FIXME DOC
212 */
213 static void opj_pi_update_decode_poc(opj_pi_iterator_t * p_pi,
214 opj_tcp_t * p_tcp,
215 OPJ_UINT32 p_max_precision,
216 OPJ_UINT32 p_max_res);
217
218 /**
219 * FIXME DOC
220 */
221 static OPJ_BOOL opj_pi_check_next_level(OPJ_INT32 pos,
222 opj_cp_t *cp,
223 OPJ_UINT32 tileno,
224 OPJ_UINT32 pino,
225 const OPJ_CHAR *prog);
226
227 /*@}*/
228
229 /*@}*/
230
231 /*
232 ==========================================================
233 local functions
234 ==========================================================
235 */
236
opj_pi_next_lrcp(opj_pi_iterator_t * pi)237 static OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi)
238 {
239 opj_pi_comp_t *comp = NULL;
240 opj_pi_resolution_t *res = NULL;
241 OPJ_UINT32 index = 0;
242
243 if (pi->poc.compno0 >= pi->numcomps ||
244 pi->poc.compno1 >= pi->numcomps + 1) {
245 opj_event_msg(pi->manager, EVT_ERROR,
246 "opj_pi_next_lrcp(): invalid compno0/compno1\n");
247 return OPJ_FALSE;
248 }
249
250 if (!pi->first) {
251 comp = &pi->comps[pi->compno];
252 res = &comp->resolutions[pi->resno];
253 goto LABEL_SKIP;
254 } else {
255 pi->first = 0;
256 }
257
258 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
259 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
260 pi->resno++) {
261 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
262 comp = &pi->comps[pi->compno];
263 if (pi->resno >= comp->numresolutions) {
264 continue;
265 }
266 res = &comp->resolutions[pi->resno];
267 if (!pi->tp_on) {
268 pi->poc.precno1 = res->pw * res->ph;
269 }
270 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
271 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
272 pi->step_c + pi->precno * pi->step_p;
273 /* Avoids index out of bounds access with */
274 /* id_000098,sig_11,src_005411,op_havoc,rep_2 of */
275 /* https://github.com/uclouvain/openjpeg/issues/938 */
276 /* Not sure if this is the most clever fix. Perhaps */
277 /* include should be resized when a POC arises, or */
278 /* the POC should be rejected */
279 if (index >= pi->include_size) {
280 opj_event_msg(pi->manager, EVT_ERROR, "Invalid access to pi->include");
281 return OPJ_FALSE;
282 }
283 if (!pi->include[index]) {
284 pi->include[index] = 1;
285 return OPJ_TRUE;
286 }
287 LABEL_SKIP:
288 ;
289 }
290 }
291 }
292 }
293
294 return OPJ_FALSE;
295 }
296
opj_pi_next_rlcp(opj_pi_iterator_t * pi)297 static OPJ_BOOL opj_pi_next_rlcp(opj_pi_iterator_t * pi)
298 {
299 opj_pi_comp_t *comp = NULL;
300 opj_pi_resolution_t *res = NULL;
301 OPJ_UINT32 index = 0;
302
303 if (pi->poc.compno0 >= pi->numcomps ||
304 pi->poc.compno1 >= pi->numcomps + 1) {
305 opj_event_msg(pi->manager, EVT_ERROR,
306 "opj_pi_next_rlcp(): invalid compno0/compno1\n");
307 return OPJ_FALSE;
308 }
309
310 if (!pi->first) {
311 comp = &pi->comps[pi->compno];
312 res = &comp->resolutions[pi->resno];
313 goto LABEL_SKIP;
314 } else {
315 pi->first = 0;
316 }
317
318 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
319 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
320 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
321 comp = &pi->comps[pi->compno];
322 if (pi->resno >= comp->numresolutions) {
323 continue;
324 }
325 res = &comp->resolutions[pi->resno];
326 if (!pi->tp_on) {
327 pi->poc.precno1 = res->pw * res->ph;
328 }
329 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
330 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
331 pi->step_c + pi->precno * pi->step_p;
332 if (index >= pi->include_size) {
333 opj_event_msg(pi->manager, EVT_ERROR, "Invalid access to pi->include");
334 return OPJ_FALSE;
335 }
336 if (!pi->include[index]) {
337 pi->include[index] = 1;
338 return OPJ_TRUE;
339 }
340 LABEL_SKIP:
341 ;
342 }
343 }
344 }
345 }
346
347 return OPJ_FALSE;
348 }
349
opj_pi_next_rpcl(opj_pi_iterator_t * pi)350 static OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi)
351 {
352 opj_pi_comp_t *comp = NULL;
353 opj_pi_resolution_t *res = NULL;
354 OPJ_UINT32 index = 0;
355
356 if (pi->poc.compno0 >= pi->numcomps ||
357 pi->poc.compno1 >= pi->numcomps + 1) {
358 opj_event_msg(pi->manager, EVT_ERROR,
359 "opj_pi_next_rpcl(): invalid compno0/compno1\n");
360 return OPJ_FALSE;
361 }
362
363 if (!pi->first) {
364 goto LABEL_SKIP;
365 } else {
366 OPJ_UINT32 compno, resno;
367 pi->first = 0;
368 pi->dx = 0;
369 pi->dy = 0;
370 for (compno = 0; compno < pi->numcomps; compno++) {
371 comp = &pi->comps[compno];
372 for (resno = 0; resno < comp->numresolutions; resno++) {
373 OPJ_UINT32 dx, dy;
374 res = &comp->resolutions[resno];
375 if (res->pdx + comp->numresolutions - 1 - resno < 32 &&
376 comp->dx <= UINT_MAX / (1u << (res->pdx + comp->numresolutions - 1 - resno))) {
377 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
378 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
379 }
380 if (res->pdy + comp->numresolutions - 1 - resno < 32 &&
381 comp->dy <= UINT_MAX / (1u << (res->pdy + comp->numresolutions - 1 - resno))) {
382 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
383 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
384 }
385 }
386 }
387 if (pi->dx == 0 || pi->dy == 0) {
388 return OPJ_FALSE;
389 }
390 }
391 if (!pi->tp_on) {
392 pi->poc.ty0 = pi->ty0;
393 pi->poc.tx0 = pi->tx0;
394 pi->poc.ty1 = pi->ty1;
395 pi->poc.tx1 = pi->tx1;
396 }
397 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
398 for (pi->y = (OPJ_UINT32)pi->poc.ty0; pi->y < (OPJ_UINT32)pi->poc.ty1;
399 pi->y += (pi->dy - (pi->y % pi->dy))) {
400 for (pi->x = (OPJ_UINT32)pi->poc.tx0; pi->x < (OPJ_UINT32)pi->poc.tx1;
401 pi->x += (pi->dx - (pi->x % pi->dx))) {
402 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
403 OPJ_UINT32 levelno;
404 OPJ_UINT32 trx0, try0;
405 OPJ_UINT32 trx1, try1;
406 OPJ_UINT32 rpx, rpy;
407 OPJ_UINT32 prci, prcj;
408 comp = &pi->comps[pi->compno];
409 if (pi->resno >= comp->numresolutions) {
410 continue;
411 }
412 res = &comp->resolutions[pi->resno];
413 levelno = comp->numresolutions - 1 - pi->resno;
414 /* Avoids division by zero */
415 /* Relates to id_000004,sig_06,src_000679,op_arith8,pos_49,val_-17 */
416 /* of https://github.com/uclouvain/openjpeg/issues/938 */
417 if (levelno >= 32 ||
418 ((comp->dx << levelno) >> levelno) != comp->dx ||
419 ((comp->dy << levelno) >> levelno) != comp->dy) {
420 continue;
421 }
422 if ((comp->dx << levelno) > INT_MAX ||
423 (comp->dy << levelno) > INT_MAX) {
424 continue;
425 }
426 trx0 = opj_uint_ceildiv(pi->tx0, (comp->dx << levelno));
427 try0 = opj_uint_ceildiv(pi->ty0, (comp->dy << levelno));
428 trx1 = opj_uint_ceildiv(pi->tx1, (comp->dx << levelno));
429 try1 = opj_uint_ceildiv(pi->ty1, (comp->dy << levelno));
430 rpx = res->pdx + levelno;
431 rpy = res->pdy + levelno;
432
433 /* To avoid divisions by zero / undefined behaviour on shift */
434 /* in below tests */
435 /* Fixes reading id:000026,sig:08,src:002419,op:int32,pos:60,val:+32 */
436 /* of https://github.com/uclouvain/openjpeg/issues/938 */
437 if (rpx >= 31 || ((comp->dx << rpx) >> rpx) != comp->dx ||
438 rpy >= 31 || ((comp->dy << rpy) >> rpy) != comp->dy) {
439 continue;
440 }
441
442 /* See ISO-15441. B.12.1.3 Resolution level-position-component-layer progression */
443 if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
444 ((try0 << levelno) % (1U << rpy))))) {
445 continue;
446 }
447 if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
448 ((trx0 << levelno) % (1U << rpx))))) {
449 continue;
450 }
451
452 if ((res->pw == 0) || (res->ph == 0)) {
453 continue;
454 }
455
456 if ((trx0 == trx1) || (try0 == try1)) {
457 continue;
458 }
459
460 prci = opj_uint_floordivpow2(opj_uint_ceildiv(pi->x,
461 (comp->dx << levelno)), res->pdx)
462 - opj_uint_floordivpow2(trx0, res->pdx);
463 prcj = opj_uint_floordivpow2(opj_uint_ceildiv(pi->y,
464 (comp->dy << levelno)), res->pdy)
465 - opj_uint_floordivpow2(try0, res->pdy);
466 pi->precno = prci + prcj * res->pw;
467 if (pi->precno >= res->pw * res->ph) {
468 return OPJ_FALSE;
469 }
470 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
471 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
472 pi->step_c + pi->precno * pi->step_p;
473 if (index >= pi->include_size) {
474 opj_event_msg(pi->manager, EVT_ERROR, "Invalid access to pi->include");
475 return OPJ_FALSE;
476 }
477 if (!pi->include[index]) {
478 pi->include[index] = 1;
479 return OPJ_TRUE;
480 }
481 LABEL_SKIP:
482 ;
483 }
484 }
485 }
486 }
487 }
488
489 return OPJ_FALSE;
490 }
491
opj_pi_next_pcrl(opj_pi_iterator_t * pi)492 static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi)
493 {
494 opj_pi_comp_t *comp = NULL;
495 opj_pi_resolution_t *res = NULL;
496 OPJ_UINT32 index = 0;
497
498 if (pi->poc.compno0 >= pi->numcomps ||
499 pi->poc.compno1 >= pi->numcomps + 1) {
500 opj_event_msg(pi->manager, EVT_ERROR,
501 "opj_pi_next_pcrl(): invalid compno0/compno1\n");
502 return OPJ_FALSE;
503 }
504
505 if (!pi->first) {
506 comp = &pi->comps[pi->compno];
507 goto LABEL_SKIP;
508 } else {
509 OPJ_UINT32 compno, resno;
510 pi->first = 0;
511 pi->dx = 0;
512 pi->dy = 0;
513 for (compno = 0; compno < pi->numcomps; compno++) {
514 comp = &pi->comps[compno];
515 for (resno = 0; resno < comp->numresolutions; resno++) {
516 OPJ_UINT32 dx, dy;
517 res = &comp->resolutions[resno];
518 if (res->pdx + comp->numresolutions - 1 - resno < 32 &&
519 comp->dx <= UINT_MAX / (1u << (res->pdx + comp->numresolutions - 1 - resno))) {
520 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
521 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
522 }
523 if (res->pdy + comp->numresolutions - 1 - resno < 32 &&
524 comp->dy <= UINT_MAX / (1u << (res->pdy + comp->numresolutions - 1 - resno))) {
525 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
526 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
527 }
528 }
529 }
530 if (pi->dx == 0 || pi->dy == 0) {
531 return OPJ_FALSE;
532 }
533 }
534 if (!pi->tp_on) {
535 pi->poc.ty0 = pi->ty0;
536 pi->poc.tx0 = pi->tx0;
537 pi->poc.ty1 = pi->ty1;
538 pi->poc.tx1 = pi->tx1;
539 }
540 for (pi->y = (OPJ_UINT32)pi->poc.ty0; pi->y < (OPJ_UINT32)pi->poc.ty1;
541 pi->y += (pi->dy - (pi->y % pi->dy))) {
542 for (pi->x = (OPJ_UINT32)pi->poc.tx0; pi->x < (OPJ_UINT32)pi->poc.tx1;
543 pi->x += (pi->dx - (pi->x % pi->dx))) {
544 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
545 comp = &pi->comps[pi->compno];
546 for (pi->resno = pi->poc.resno0;
547 pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
548 OPJ_UINT32 levelno;
549 OPJ_UINT32 trx0, try0;
550 OPJ_UINT32 trx1, try1;
551 OPJ_UINT32 rpx, rpy;
552 OPJ_UINT32 prci, prcj;
553 res = &comp->resolutions[pi->resno];
554 levelno = comp->numresolutions - 1 - pi->resno;
555 /* Avoids division by zero */
556 /* Relates to id_000004,sig_06,src_000679,op_arith8,pos_49,val_-17 */
557 /* of https://github.com/uclouvain/openjpeg/issues/938 */
558 if (levelno >= 32 ||
559 ((comp->dx << levelno) >> levelno) != comp->dx ||
560 ((comp->dy << levelno) >> levelno) != comp->dy) {
561 continue;
562 }
563 if ((comp->dx << levelno) > INT_MAX ||
564 (comp->dy << levelno) > INT_MAX) {
565 continue;
566 }
567 trx0 = opj_uint_ceildiv(pi->tx0, (comp->dx << levelno));
568 try0 = opj_uint_ceildiv(pi->ty0, (comp->dy << levelno));
569 trx1 = opj_uint_ceildiv(pi->tx1, (comp->dx << levelno));
570 try1 = opj_uint_ceildiv(pi->ty1, (comp->dy << levelno));
571 rpx = res->pdx + levelno;
572 rpy = res->pdy + levelno;
573
574 /* To avoid divisions by zero / undefined behaviour on shift */
575 /* in below tests */
576 /* Relates to id:000019,sig:08,src:001098,op:flip1,pos:49 */
577 /* of https://github.com/uclouvain/openjpeg/issues/938 */
578 if (rpx >= 31 || ((comp->dx << rpx) >> rpx) != comp->dx ||
579 rpy >= 31 || ((comp->dy << rpy) >> rpy) != comp->dy) {
580 continue;
581 }
582
583 /* See ISO-15441. B.12.1.4 Position-component-resolution level-layer progression */
584 if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
585 ((try0 << levelno) % (1U << rpy))))) {
586 continue;
587 }
588 if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
589 ((trx0 << levelno) % (1U << rpx))))) {
590 continue;
591 }
592
593 if ((res->pw == 0) || (res->ph == 0)) {
594 continue;
595 }
596
597 if ((trx0 == trx1) || (try0 == try1)) {
598 continue;
599 }
600
601 prci = opj_uint_floordivpow2(opj_uint_ceildiv(pi->x,
602 (comp->dx << levelno)), res->pdx)
603 - opj_uint_floordivpow2(trx0, res->pdx);
604 prcj = opj_uint_floordivpow2(opj_uint_ceildiv(pi->y,
605 (comp->dy << levelno)), res->pdy)
606 - opj_uint_floordivpow2(try0, res->pdy);
607 pi->precno = prci + prcj * res->pw;
608 if (pi->precno >= res->pw * res->ph) {
609 return OPJ_FALSE;
610 }
611 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
612 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
613 pi->step_c + pi->precno * pi->step_p;
614 if (index >= pi->include_size) {
615 opj_event_msg(pi->manager, EVT_ERROR, "Invalid access to pi->include");
616 return OPJ_FALSE;
617 }
618 if (!pi->include[index]) {
619 pi->include[index] = 1;
620 return OPJ_TRUE;
621 }
622 LABEL_SKIP:
623 ;
624 }
625 }
626 }
627 }
628 }
629
630 return OPJ_FALSE;
631 }
632
opj_pi_next_cprl(opj_pi_iterator_t * pi)633 static OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi)
634 {
635 opj_pi_comp_t *comp = NULL;
636 opj_pi_resolution_t *res = NULL;
637 OPJ_UINT32 index = 0;
638
639 if (pi->poc.compno0 >= pi->numcomps ||
640 pi->poc.compno1 >= pi->numcomps + 1) {
641 opj_event_msg(pi->manager, EVT_ERROR,
642 "opj_pi_next_cprl(): invalid compno0/compno1\n");
643 return OPJ_FALSE;
644 }
645
646 if (!pi->first) {
647 comp = &pi->comps[pi->compno];
648 goto LABEL_SKIP;
649 } else {
650 pi->first = 0;
651 }
652
653 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
654 OPJ_UINT32 resno;
655 comp = &pi->comps[pi->compno];
656 pi->dx = 0;
657 pi->dy = 0;
658 for (resno = 0; resno < comp->numresolutions; resno++) {
659 OPJ_UINT32 dx, dy;
660 res = &comp->resolutions[resno];
661 if (res->pdx + comp->numresolutions - 1 - resno < 32 &&
662 comp->dx <= UINT_MAX / (1u << (res->pdx + comp->numresolutions - 1 - resno))) {
663 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
664 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
665 }
666 if (res->pdy + comp->numresolutions - 1 - resno < 32 &&
667 comp->dy <= UINT_MAX / (1u << (res->pdy + comp->numresolutions - 1 - resno))) {
668 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
669 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
670 }
671 }
672 if (pi->dx == 0 || pi->dy == 0) {
673 return OPJ_FALSE;
674 }
675 if (!pi->tp_on) {
676 pi->poc.ty0 = pi->ty0;
677 pi->poc.tx0 = pi->tx0;
678 pi->poc.ty1 = pi->ty1;
679 pi->poc.tx1 = pi->tx1;
680 }
681 for (pi->y = (OPJ_UINT32)pi->poc.ty0; pi->y < (OPJ_UINT32)pi->poc.ty1;
682 pi->y += (pi->dy - (pi->y % pi->dy))) {
683 for (pi->x = (OPJ_UINT32)pi->poc.tx0; pi->x < (OPJ_UINT32)pi->poc.tx1;
684 pi->x += (pi->dx - (pi->x % pi->dx))) {
685 for (pi->resno = pi->poc.resno0;
686 pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
687 OPJ_UINT32 levelno;
688 OPJ_UINT32 trx0, try0;
689 OPJ_UINT32 trx1, try1;
690 OPJ_UINT32 rpx, rpy;
691 OPJ_UINT32 prci, prcj;
692 res = &comp->resolutions[pi->resno];
693 levelno = comp->numresolutions - 1 - pi->resno;
694 /* Avoids division by zero on id_000004,sig_06,src_000679,op_arith8,pos_49,val_-17 */
695 /* of https://github.com/uclouvain/openjpeg/issues/938 */
696 if (levelno >= 32 ||
697 ((comp->dx << levelno) >> levelno) != comp->dx ||
698 ((comp->dy << levelno) >> levelno) != comp->dy) {
699 continue;
700 }
701 if ((comp->dx << levelno) > INT_MAX ||
702 (comp->dy << levelno) > INT_MAX) {
703 continue;
704 }
705 trx0 = opj_uint_ceildiv(pi->tx0, (comp->dx << levelno));
706 try0 = opj_uint_ceildiv(pi->ty0, (comp->dy << levelno));
707 trx1 = opj_uint_ceildiv(pi->tx1, (comp->dx << levelno));
708 try1 = opj_uint_ceildiv(pi->ty1, (comp->dy << levelno));
709 rpx = res->pdx + levelno;
710 rpy = res->pdy + levelno;
711
712 /* To avoid divisions by zero / undefined behaviour on shift */
713 /* in below tests */
714 /* Fixes reading id:000019,sig:08,src:001098,op:flip1,pos:49 */
715 /* of https://github.com/uclouvain/openjpeg/issues/938 */
716 if (rpx >= 31 || ((comp->dx << rpx) >> rpx) != comp->dx ||
717 rpy >= 31 || ((comp->dy << rpy) >> rpy) != comp->dy) {
718 continue;
719 }
720
721 /* See ISO-15441. B.12.1.5 Component-position-resolution level-layer progression */
722 if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
723 ((try0 << levelno) % (1U << rpy))))) {
724 continue;
725 }
726 if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
727 ((trx0 << levelno) % (1U << rpx))))) {
728 continue;
729 }
730
731 if ((res->pw == 0) || (res->ph == 0)) {
732 continue;
733 }
734
735 if ((trx0 == trx1) || (try0 == try1)) {
736 continue;
737 }
738
739 prci = opj_uint_floordivpow2(opj_uint_ceildiv(pi->x,
740 (comp->dx << levelno)), res->pdx)
741 - opj_uint_floordivpow2(trx0, res->pdx);
742 prcj = opj_uint_floordivpow2(opj_uint_ceildiv(pi->y,
743 (comp->dy << levelno)), res->pdy)
744 - opj_uint_floordivpow2(try0, res->pdy);
745 pi->precno = (OPJ_UINT32)(prci + prcj * res->pw);
746 if (pi->precno >= res->pw * res->ph) {
747 return OPJ_FALSE;
748 }
749 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
750 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
751 pi->step_c + pi->precno * pi->step_p;
752 if (index >= pi->include_size) {
753 opj_event_msg(pi->manager, EVT_ERROR, "Invalid access to pi->include");
754 return OPJ_FALSE;
755 }
756 if (!pi->include[index]) {
757 pi->include[index] = 1;
758 return OPJ_TRUE;
759 }
760 LABEL_SKIP:
761 ;
762 }
763 }
764 }
765 }
766 }
767
768 return OPJ_FALSE;
769 }
770
opj_get_encoding_parameters(const opj_image_t * p_image,const opj_cp_t * p_cp,OPJ_UINT32 p_tileno,OPJ_UINT32 * p_tx0,OPJ_UINT32 * p_tx1,OPJ_UINT32 * p_ty0,OPJ_UINT32 * p_ty1,OPJ_UINT32 * p_dx_min,OPJ_UINT32 * p_dy_min,OPJ_UINT32 * p_max_prec,OPJ_UINT32 * p_max_res)771 static void opj_get_encoding_parameters(const opj_image_t *p_image,
772 const opj_cp_t *p_cp,
773 OPJ_UINT32 p_tileno,
774 OPJ_UINT32 * p_tx0,
775 OPJ_UINT32 * p_tx1,
776 OPJ_UINT32 * p_ty0,
777 OPJ_UINT32 * p_ty1,
778 OPJ_UINT32 * p_dx_min,
779 OPJ_UINT32 * p_dy_min,
780 OPJ_UINT32 * p_max_prec,
781 OPJ_UINT32 * p_max_res)
782 {
783 /* loop */
784 OPJ_UINT32 compno, resno;
785 /* pointers */
786 const opj_tcp_t *l_tcp = 00;
787 const opj_tccp_t * l_tccp = 00;
788 const opj_image_comp_t * l_img_comp = 00;
789
790 /* position in x and y of tile */
791 OPJ_UINT32 p, q;
792
793 /* non-corrected (in regard to image offset) tile offset */
794 OPJ_UINT32 l_tx0, l_ty0;
795
796 /* preconditions */
797 assert(p_cp != 00);
798 assert(p_image != 00);
799 assert(p_tileno < p_cp->tw * p_cp->th);
800
801 /* initializations */
802 l_tcp = &p_cp->tcps [p_tileno];
803 l_img_comp = p_image->comps;
804 l_tccp = l_tcp->tccps;
805
806 /* here calculation of tx0, tx1, ty0, ty1, maxprec, dx and dy */
807 p = p_tileno % p_cp->tw;
808 q = p_tileno / p_cp->tw;
809
810 /* find extent of tile */
811 l_tx0 = p_cp->tx0 + p *
812 p_cp->tdx; /* can't be greater than p_image->x1 so won't overflow */
813 *p_tx0 = opj_uint_max(l_tx0, p_image->x0);
814 *p_tx1 = opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
815 l_ty0 = p_cp->ty0 + q *
816 p_cp->tdy; /* can't be greater than p_image->y1 so won't overflow */
817 *p_ty0 = opj_uint_max(l_ty0, p_image->y0);
818 *p_ty1 = opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
819
820 /* max precision is 0 (can only grow) */
821 *p_max_prec = 0;
822 *p_max_res = 0;
823
824 /* take the largest value for dx_min and dy_min */
825 *p_dx_min = 0x7fffffff;
826 *p_dy_min = 0x7fffffff;
827
828 for (compno = 0; compno < p_image->numcomps; ++compno) {
829 /* arithmetic variables to calculate */
830 OPJ_UINT32 l_level_no;
831 OPJ_UINT32 l_rx0, l_ry0, l_rx1, l_ry1;
832 OPJ_UINT32 l_px0, l_py0, l_px1, py1;
833 OPJ_UINT32 l_pdx, l_pdy;
834 OPJ_UINT32 l_pw, l_ph;
835 OPJ_UINT32 l_product;
836 OPJ_UINT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
837
838 l_tcx0 = opj_uint_ceildiv(*p_tx0, l_img_comp->dx);
839 l_tcy0 = opj_uint_ceildiv(*p_ty0, l_img_comp->dy);
840 l_tcx1 = opj_uint_ceildiv(*p_tx1, l_img_comp->dx);
841 l_tcy1 = opj_uint_ceildiv(*p_ty1, l_img_comp->dy);
842
843 if (l_tccp->numresolutions > *p_max_res) {
844 *p_max_res = l_tccp->numresolutions;
845 }
846
847 /* use custom size for precincts */
848 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
849 OPJ_UINT32 l_dx, l_dy;
850
851 /* precinct width and height */
852 l_pdx = l_tccp->prcw[resno];
853 l_pdy = l_tccp->prch[resno];
854
855 l_dx = l_img_comp->dx * (1u << (l_pdx + l_tccp->numresolutions - 1 - resno));
856 l_dy = l_img_comp->dy * (1u << (l_pdy + l_tccp->numresolutions - 1 - resno));
857
858 /* take the minimum size for dx for each comp and resolution */
859 *p_dx_min = opj_uint_min(*p_dx_min, l_dx);
860 *p_dy_min = opj_uint_min(*p_dy_min, l_dy);
861
862 /* various calculations of extents */
863 l_level_no = l_tccp->numresolutions - 1 - resno;
864
865 l_rx0 = opj_uint_ceildivpow2(l_tcx0, l_level_no);
866 l_ry0 = opj_uint_ceildivpow2(l_tcy0, l_level_no);
867 l_rx1 = opj_uint_ceildivpow2(l_tcx1, l_level_no);
868 l_ry1 = opj_uint_ceildivpow2(l_tcy1, l_level_no);
869
870 l_px0 = opj_uint_floordivpow2(l_rx0, l_pdx) << l_pdx;
871 l_py0 = opj_uint_floordivpow2(l_ry0, l_pdy) << l_pdy;
872 l_px1 = opj_uint_ceildivpow2(l_rx1, l_pdx) << l_pdx;
873
874 py1 = opj_uint_ceildivpow2(l_ry1, l_pdy) << l_pdy;
875
876 l_pw = (l_rx0 == l_rx1) ? 0 : ((l_px1 - l_px0) >> l_pdx);
877 l_ph = (l_ry0 == l_ry1) ? 0 : ((py1 - l_py0) >> l_pdy);
878
879 l_product = l_pw * l_ph;
880
881 /* update precision */
882 if (l_product > *p_max_prec) {
883 *p_max_prec = l_product;
884 }
885 }
886 ++l_img_comp;
887 ++l_tccp;
888 }
889 }
890
891
opj_get_all_encoding_parameters(const opj_image_t * p_image,const opj_cp_t * p_cp,OPJ_UINT32 tileno,OPJ_UINT32 * p_tx0,OPJ_UINT32 * p_tx1,OPJ_UINT32 * p_ty0,OPJ_UINT32 * p_ty1,OPJ_UINT32 * p_dx_min,OPJ_UINT32 * p_dy_min,OPJ_UINT32 * p_max_prec,OPJ_UINT32 * p_max_res,OPJ_UINT32 ** p_resolutions)892 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
893 const opj_cp_t *p_cp,
894 OPJ_UINT32 tileno,
895 OPJ_UINT32 * p_tx0,
896 OPJ_UINT32 * p_tx1,
897 OPJ_UINT32 * p_ty0,
898 OPJ_UINT32 * p_ty1,
899 OPJ_UINT32 * p_dx_min,
900 OPJ_UINT32 * p_dy_min,
901 OPJ_UINT32 * p_max_prec,
902 OPJ_UINT32 * p_max_res,
903 OPJ_UINT32 ** p_resolutions)
904 {
905 /* loop*/
906 OPJ_UINT32 compno, resno;
907
908 /* pointers*/
909 const opj_tcp_t *tcp = 00;
910 const opj_tccp_t * l_tccp = 00;
911 const opj_image_comp_t * l_img_comp = 00;
912
913 /* to store l_dx, l_dy, w and h for each resolution and component.*/
914 OPJ_UINT32 * lResolutionPtr;
915
916 /* position in x and y of tile*/
917 OPJ_UINT32 p, q;
918
919 /* non-corrected (in regard to image offset) tile offset */
920 OPJ_UINT32 l_tx0, l_ty0;
921
922 /* preconditions in debug*/
923 assert(p_cp != 00);
924 assert(p_image != 00);
925 assert(tileno < p_cp->tw * p_cp->th);
926
927 /* initializations*/
928 tcp = &p_cp->tcps [tileno];
929 l_tccp = tcp->tccps;
930 l_img_comp = p_image->comps;
931
932 /* position in x and y of tile*/
933 p = tileno % p_cp->tw;
934 q = tileno / p_cp->tw;
935
936 /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
937 l_tx0 = p_cp->tx0 + p *
938 p_cp->tdx; /* can't be greater than p_image->x1 so won't overflow */
939 *p_tx0 = opj_uint_max(l_tx0, p_image->x0);
940 *p_tx1 = opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
941 l_ty0 = p_cp->ty0 + q *
942 p_cp->tdy; /* can't be greater than p_image->y1 so won't overflow */
943 *p_ty0 = opj_uint_max(l_ty0, p_image->y0);
944 *p_ty1 = opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
945
946 /* max precision and resolution is 0 (can only grow)*/
947 *p_max_prec = 0;
948 *p_max_res = 0;
949
950 /* take the largest value for dx_min and dy_min*/
951 *p_dx_min = 0x7fffffff;
952 *p_dy_min = 0x7fffffff;
953
954 for (compno = 0; compno < p_image->numcomps; ++compno) {
955 /* arithmetic variables to calculate*/
956 OPJ_UINT32 l_level_no;
957 OPJ_UINT32 l_rx0, l_ry0, l_rx1, l_ry1;
958 OPJ_UINT32 l_px0, l_py0, l_px1, py1;
959 OPJ_UINT32 l_product;
960 OPJ_UINT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
961 OPJ_UINT32 l_pdx, l_pdy, l_pw, l_ph;
962
963 lResolutionPtr = p_resolutions ? p_resolutions[compno] : NULL;
964
965 l_tcx0 = opj_uint_ceildiv(*p_tx0, l_img_comp->dx);
966 l_tcy0 = opj_uint_ceildiv(*p_ty0, l_img_comp->dy);
967 l_tcx1 = opj_uint_ceildiv(*p_tx1, l_img_comp->dx);
968 l_tcy1 = opj_uint_ceildiv(*p_ty1, l_img_comp->dy);
969
970 if (l_tccp->numresolutions > *p_max_res) {
971 *p_max_res = l_tccp->numresolutions;
972 }
973
974 /* use custom size for precincts*/
975 l_level_no = l_tccp->numresolutions;
976 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
977 OPJ_UINT32 l_dx, l_dy;
978
979 --l_level_no;
980
981 /* precinct width and height*/
982 l_pdx = l_tccp->prcw[resno];
983 l_pdy = l_tccp->prch[resno];
984 if (lResolutionPtr) {
985 *lResolutionPtr++ = l_pdx;
986 *lResolutionPtr++ = l_pdy;
987 }
988 if (l_pdx + l_level_no < 32 &&
989 l_img_comp->dx <= UINT_MAX / (1u << (l_pdx + l_level_no))) {
990 l_dx = l_img_comp->dx * (1u << (l_pdx + l_level_no));
991 /* take the minimum size for l_dx for each comp and resolution*/
992 *p_dx_min = opj_uint_min(*p_dx_min, l_dx);
993 }
994 if (l_pdy + l_level_no < 32 &&
995 l_img_comp->dy <= UINT_MAX / (1u << (l_pdy + l_level_no))) {
996 l_dy = l_img_comp->dy * (1u << (l_pdy + l_level_no));
997 *p_dy_min = opj_uint_min(*p_dy_min, l_dy);
998 }
999
1000 /* various calculations of extents*/
1001 l_rx0 = opj_uint_ceildivpow2(l_tcx0, l_level_no);
1002 l_ry0 = opj_uint_ceildivpow2(l_tcy0, l_level_no);
1003 l_rx1 = opj_uint_ceildivpow2(l_tcx1, l_level_no);
1004 l_ry1 = opj_uint_ceildivpow2(l_tcy1, l_level_no);
1005 l_px0 = opj_uint_floordivpow2(l_rx0, l_pdx) << l_pdx;
1006 l_py0 = opj_uint_floordivpow2(l_ry0, l_pdy) << l_pdy;
1007 l_px1 = opj_uint_ceildivpow2(l_rx1, l_pdx) << l_pdx;
1008 py1 = opj_uint_ceildivpow2(l_ry1, l_pdy) << l_pdy;
1009 l_pw = (l_rx0 == l_rx1) ? 0 : ((l_px1 - l_px0) >> l_pdx);
1010 l_ph = (l_ry0 == l_ry1) ? 0 : ((py1 - l_py0) >> l_pdy);
1011 if (lResolutionPtr) {
1012 *lResolutionPtr++ = l_pw;
1013 *lResolutionPtr++ = l_ph;
1014 }
1015 l_product = l_pw * l_ph;
1016
1017 /* update precision*/
1018 if (l_product > *p_max_prec) {
1019 *p_max_prec = l_product;
1020 }
1021
1022 }
1023 ++l_tccp;
1024 ++l_img_comp;
1025 }
1026 }
1027
opj_pi_create(const opj_image_t * image,const opj_cp_t * cp,OPJ_UINT32 tileno,opj_event_mgr_t * manager)1028 static opj_pi_iterator_t * opj_pi_create(const opj_image_t *image,
1029 const opj_cp_t *cp,
1030 OPJ_UINT32 tileno,
1031 opj_event_mgr_t* manager)
1032 {
1033 /* loop*/
1034 OPJ_UINT32 pino, compno;
1035 /* number of poc in the p_pi*/
1036 OPJ_UINT32 l_poc_bound;
1037
1038 /* pointers to tile coding parameters and components.*/
1039 opj_pi_iterator_t *l_pi = 00;
1040 opj_tcp_t *tcp = 00;
1041 const opj_tccp_t *tccp = 00;
1042
1043 /* current packet iterator being allocated*/
1044 opj_pi_iterator_t *l_current_pi = 00;
1045
1046 /* preconditions in debug*/
1047 assert(cp != 00);
1048 assert(image != 00);
1049 assert(tileno < cp->tw * cp->th);
1050
1051 /* initializations*/
1052 tcp = &cp->tcps[tileno];
1053 l_poc_bound = tcp->numpocs + 1;
1054
1055 /* memory allocations*/
1056 l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound),
1057 sizeof(opj_pi_iterator_t));
1058 if (!l_pi) {
1059 return NULL;
1060 }
1061
1062 l_current_pi = l_pi;
1063 for (pino = 0; pino < l_poc_bound ; ++pino) {
1064
1065 l_current_pi->manager = manager;
1066
1067 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps,
1068 sizeof(opj_pi_comp_t));
1069 if (! l_current_pi->comps) {
1070 opj_pi_destroy(l_pi, l_poc_bound);
1071 return NULL;
1072 }
1073
1074 l_current_pi->numcomps = image->numcomps;
1075
1076 for (compno = 0; compno < image->numcomps; ++compno) {
1077 opj_pi_comp_t *comp = &l_current_pi->comps[compno];
1078
1079 tccp = &tcp->tccps[compno];
1080
1081 comp->resolutions = (opj_pi_resolution_t*) opj_calloc(tccp->numresolutions,
1082 sizeof(opj_pi_resolution_t));
1083 if (!comp->resolutions) {
1084 opj_pi_destroy(l_pi, l_poc_bound);
1085 return 00;
1086 }
1087
1088 comp->numresolutions = tccp->numresolutions;
1089 }
1090 ++l_current_pi;
1091 }
1092 return l_pi;
1093 }
1094
opj_pi_update_encode_poc_and_final(opj_cp_t * p_cp,OPJ_UINT32 p_tileno,OPJ_UINT32 p_tx0,OPJ_UINT32 p_tx1,OPJ_UINT32 p_ty0,OPJ_UINT32 p_ty1,OPJ_UINT32 p_max_prec,OPJ_UINT32 p_max_res,OPJ_UINT32 p_dx_min,OPJ_UINT32 p_dy_min)1095 static void opj_pi_update_encode_poc_and_final(opj_cp_t *p_cp,
1096 OPJ_UINT32 p_tileno,
1097 OPJ_UINT32 p_tx0,
1098 OPJ_UINT32 p_tx1,
1099 OPJ_UINT32 p_ty0,
1100 OPJ_UINT32 p_ty1,
1101 OPJ_UINT32 p_max_prec,
1102 OPJ_UINT32 p_max_res,
1103 OPJ_UINT32 p_dx_min,
1104 OPJ_UINT32 p_dy_min)
1105 {
1106 /* loop*/
1107 OPJ_UINT32 pino;
1108 /* tile coding parameter*/
1109 opj_tcp_t *l_tcp = 00;
1110 /* current poc being updated*/
1111 opj_poc_t * l_current_poc = 00;
1112
1113 /* number of pocs*/
1114 OPJ_UINT32 l_poc_bound;
1115
1116 OPJ_ARG_NOT_USED(p_max_res);
1117
1118 /* preconditions in debug*/
1119 assert(p_cp != 00);
1120 assert(p_tileno < p_cp->tw * p_cp->th);
1121
1122 /* initializations*/
1123 l_tcp = &p_cp->tcps [p_tileno];
1124 /* number of iterations in the loop */
1125 l_poc_bound = l_tcp->numpocs + 1;
1126
1127 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
1128 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
1129 l_current_poc = l_tcp->pocs;
1130
1131 l_current_poc->compS = l_current_poc->compno0;
1132 l_current_poc->compE = l_current_poc->compno1;
1133 l_current_poc->resS = l_current_poc->resno0;
1134 l_current_poc->resE = l_current_poc->resno1;
1135 l_current_poc->layE = l_current_poc->layno1;
1136
1137 /* special treatment for the first element*/
1138 l_current_poc->layS = 0;
1139 l_current_poc->prg = l_current_poc->prg1;
1140 l_current_poc->prcS = 0;
1141
1142 l_current_poc->prcE = p_max_prec;
1143 l_current_poc->txS = (OPJ_UINT32)p_tx0;
1144 l_current_poc->txE = (OPJ_UINT32)p_tx1;
1145 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
1146 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
1147 l_current_poc->dx = p_dx_min;
1148 l_current_poc->dy = p_dy_min;
1149
1150 ++ l_current_poc;
1151 for (pino = 1; pino < l_poc_bound ; ++pino) {
1152 l_current_poc->compS = l_current_poc->compno0;
1153 l_current_poc->compE = l_current_poc->compno1;
1154 l_current_poc->resS = l_current_poc->resno0;
1155 l_current_poc->resE = l_current_poc->resno1;
1156 l_current_poc->layE = l_current_poc->layno1;
1157 l_current_poc->prg = l_current_poc->prg1;
1158 l_current_poc->prcS = 0;
1159 /* special treatment here different from the first element*/
1160 l_current_poc->layS = (l_current_poc->layE > (l_current_poc - 1)->layE) ?
1161 l_current_poc->layE : 0;
1162
1163 l_current_poc->prcE = p_max_prec;
1164 l_current_poc->txS = (OPJ_UINT32)p_tx0;
1165 l_current_poc->txE = (OPJ_UINT32)p_tx1;
1166 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
1167 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
1168 l_current_poc->dx = p_dx_min;
1169 l_current_poc->dy = p_dy_min;
1170 ++ l_current_poc;
1171 }
1172 }
1173
opj_pi_update_encode_not_poc(opj_cp_t * p_cp,OPJ_UINT32 p_num_comps,OPJ_UINT32 p_tileno,OPJ_UINT32 p_tx0,OPJ_UINT32 p_tx1,OPJ_UINT32 p_ty0,OPJ_UINT32 p_ty1,OPJ_UINT32 p_max_prec,OPJ_UINT32 p_max_res,OPJ_UINT32 p_dx_min,OPJ_UINT32 p_dy_min)1174 static void opj_pi_update_encode_not_poc(opj_cp_t *p_cp,
1175 OPJ_UINT32 p_num_comps,
1176 OPJ_UINT32 p_tileno,
1177 OPJ_UINT32 p_tx0,
1178 OPJ_UINT32 p_tx1,
1179 OPJ_UINT32 p_ty0,
1180 OPJ_UINT32 p_ty1,
1181 OPJ_UINT32 p_max_prec,
1182 OPJ_UINT32 p_max_res,
1183 OPJ_UINT32 p_dx_min,
1184 OPJ_UINT32 p_dy_min)
1185 {
1186 /* loop*/
1187 OPJ_UINT32 pino;
1188 /* tile coding parameter*/
1189 opj_tcp_t *l_tcp = 00;
1190 /* current poc being updated*/
1191 opj_poc_t * l_current_poc = 00;
1192 /* number of pocs*/
1193 OPJ_UINT32 l_poc_bound;
1194
1195 /* preconditions in debug*/
1196 assert(p_cp != 00);
1197 assert(p_tileno < p_cp->tw * p_cp->th);
1198
1199 /* initializations*/
1200 l_tcp = &p_cp->tcps [p_tileno];
1201
1202 /* number of iterations in the loop */
1203 l_poc_bound = l_tcp->numpocs + 1;
1204
1205 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
1206 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
1207 l_current_poc = l_tcp->pocs;
1208
1209 for (pino = 0; pino < l_poc_bound ; ++pino) {
1210 l_current_poc->compS = 0;
1211 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
1212 l_current_poc->resS = 0;
1213 l_current_poc->resE = p_max_res;
1214 l_current_poc->layS = 0;
1215 l_current_poc->layE = l_tcp->numlayers;
1216 l_current_poc->prg = l_tcp->prg;
1217 l_current_poc->prcS = 0;
1218 l_current_poc->prcE = p_max_prec;
1219 l_current_poc->txS = p_tx0;
1220 l_current_poc->txE = p_tx1;
1221 l_current_poc->tyS = p_ty0;
1222 l_current_poc->tyE = p_ty1;
1223 l_current_poc->dx = p_dx_min;
1224 l_current_poc->dy = p_dy_min;
1225 ++ l_current_poc;
1226 }
1227 }
1228
opj_pi_update_decode_poc(opj_pi_iterator_t * p_pi,opj_tcp_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res)1229 static void opj_pi_update_decode_poc(opj_pi_iterator_t * p_pi,
1230 opj_tcp_t * p_tcp,
1231 OPJ_UINT32 p_max_precision,
1232 OPJ_UINT32 p_max_res)
1233 {
1234 /* loop*/
1235 OPJ_UINT32 pino;
1236
1237 /* encoding parameters to set*/
1238 OPJ_UINT32 l_bound;
1239
1240 opj_pi_iterator_t * l_current_pi = 00;
1241 opj_poc_t* l_current_poc = 0;
1242
1243 OPJ_ARG_NOT_USED(p_max_res);
1244
1245 /* preconditions in debug*/
1246 assert(p_pi != 00);
1247 assert(p_tcp != 00);
1248
1249 /* initializations*/
1250 l_bound = p_tcp->numpocs + 1;
1251 l_current_pi = p_pi;
1252 l_current_poc = p_tcp->pocs;
1253
1254 for (pino = 0; pino < l_bound; ++pino) {
1255 l_current_pi->poc.prg = l_current_poc->prg; /* Progression Order #0 */
1256 l_current_pi->first = 1;
1257
1258 l_current_pi->poc.resno0 =
1259 l_current_poc->resno0; /* Resolution Level Index #0 (Start) */
1260 l_current_pi->poc.compno0 =
1261 l_current_poc->compno0; /* Component Index #0 (Start) */
1262 l_current_pi->poc.layno0 = 0;
1263 l_current_pi->poc.precno0 = 0;
1264 l_current_pi->poc.resno1 =
1265 l_current_poc->resno1; /* Resolution Level Index #0 (End) */
1266 l_current_pi->poc.compno1 =
1267 l_current_poc->compno1; /* Component Index #0 (End) */
1268 l_current_pi->poc.layno1 = opj_uint_min(l_current_poc->layno1,
1269 p_tcp->numlayers); /* Layer Index #0 (End) */
1270 l_current_pi->poc.precno1 = p_max_precision;
1271 ++l_current_pi;
1272 ++l_current_poc;
1273 }
1274 }
1275
opj_pi_update_decode_not_poc(opj_pi_iterator_t * p_pi,opj_tcp_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res)1276 static void opj_pi_update_decode_not_poc(opj_pi_iterator_t * p_pi,
1277 opj_tcp_t * p_tcp,
1278 OPJ_UINT32 p_max_precision,
1279 OPJ_UINT32 p_max_res)
1280 {
1281 /* loop*/
1282 OPJ_UINT32 pino;
1283
1284 /* encoding parameters to set*/
1285 OPJ_UINT32 l_bound;
1286
1287 opj_pi_iterator_t * l_current_pi = 00;
1288 /* preconditions in debug*/
1289 assert(p_tcp != 00);
1290 assert(p_pi != 00);
1291
1292 /* initializations*/
1293 l_bound = p_tcp->numpocs + 1;
1294 l_current_pi = p_pi;
1295
1296 for (pino = 0; pino < l_bound; ++pino) {
1297 l_current_pi->poc.prg = p_tcp->prg;
1298 l_current_pi->first = 1;
1299 l_current_pi->poc.resno0 = 0;
1300 l_current_pi->poc.compno0 = 0;
1301 l_current_pi->poc.layno0 = 0;
1302 l_current_pi->poc.precno0 = 0;
1303 l_current_pi->poc.resno1 = p_max_res;
1304 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1305 l_current_pi->poc.layno1 = p_tcp->numlayers;
1306 l_current_pi->poc.precno1 = p_max_precision;
1307 ++l_current_pi;
1308 }
1309 }
1310
1311
1312
opj_pi_check_next_level(OPJ_INT32 pos,opj_cp_t * cp,OPJ_UINT32 tileno,OPJ_UINT32 pino,const OPJ_CHAR * prog)1313 static OPJ_BOOL opj_pi_check_next_level(OPJ_INT32 pos,
1314 opj_cp_t *cp,
1315 OPJ_UINT32 tileno,
1316 OPJ_UINT32 pino,
1317 const OPJ_CHAR *prog)
1318 {
1319 OPJ_INT32 i;
1320 opj_tcp_t *tcps = &cp->tcps[tileno];
1321 opj_poc_t *tcp = &tcps->pocs[pino];
1322
1323 if (pos >= 0) {
1324 for (i = pos; i >= 0; i--) {
1325 switch (prog[i]) {
1326 case 'R':
1327 if (tcp->res_t == tcp->resE) {
1328 if (opj_pi_check_next_level(pos - 1, cp, tileno, pino, prog)) {
1329 return OPJ_TRUE;
1330 } else {
1331 return OPJ_FALSE;
1332 }
1333 } else {
1334 return OPJ_TRUE;
1335 }
1336 break;
1337 case 'C':
1338 if (tcp->comp_t == tcp->compE) {
1339 if (opj_pi_check_next_level(pos - 1, cp, tileno, pino, prog)) {
1340 return OPJ_TRUE;
1341 } else {
1342 return OPJ_FALSE;
1343 }
1344 } else {
1345 return OPJ_TRUE;
1346 }
1347 break;
1348 case 'L':
1349 if (tcp->lay_t == tcp->layE) {
1350 if (opj_pi_check_next_level(pos - 1, cp, tileno, pino, prog)) {
1351 return OPJ_TRUE;
1352 } else {
1353 return OPJ_FALSE;
1354 }
1355 } else {
1356 return OPJ_TRUE;
1357 }
1358 break;
1359 case 'P':
1360 switch (tcp->prg) {
1361 case OPJ_LRCP: /* fall through */
1362 case OPJ_RLCP:
1363 if (tcp->prc_t == tcp->prcE) {
1364 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1365 return OPJ_TRUE;
1366 } else {
1367 return OPJ_FALSE;
1368 }
1369 } else {
1370 return OPJ_TRUE;
1371 }
1372 break;
1373 default:
1374 if (tcp->tx0_t == tcp->txE) {
1375 /*TY*/
1376 if (tcp->ty0_t == tcp->tyE) {
1377 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1378 return OPJ_TRUE;
1379 } else {
1380 return OPJ_FALSE;
1381 }
1382 } else {
1383 return OPJ_TRUE;
1384 }/*TY*/
1385 } else {
1386 return OPJ_TRUE;
1387 }
1388 break;
1389 }/*end case P*/
1390 }/*end switch*/
1391 }/*end for*/
1392 }/*end if*/
1393 return OPJ_FALSE;
1394 }
1395
1396
1397 /*
1398 ==========================================================
1399 Packet iterator interface
1400 ==========================================================
1401 */
opj_pi_create_decode(opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no,opj_event_mgr_t * manager)1402 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
1403 opj_cp_t *p_cp,
1404 OPJ_UINT32 p_tile_no,
1405 opj_event_mgr_t* manager)
1406 {
1407 OPJ_UINT32 numcomps = p_image->numcomps;
1408
1409 /* loop */
1410 OPJ_UINT32 pino;
1411 OPJ_UINT32 compno, resno;
1412
1413 /* to store w, h, dx and dy for all components and resolutions */
1414 OPJ_UINT32 * l_tmp_data;
1415 OPJ_UINT32 ** l_tmp_ptr;
1416
1417 /* encoding parameters to set */
1418 OPJ_UINT32 l_max_res;
1419 OPJ_UINT32 l_max_prec;
1420 OPJ_UINT32 l_tx0, l_tx1, l_ty0, l_ty1;
1421 OPJ_UINT32 l_dx_min, l_dy_min;
1422 OPJ_UINT32 l_bound;
1423 OPJ_UINT32 l_step_p, l_step_c, l_step_r, l_step_l ;
1424 OPJ_UINT32 l_data_stride;
1425
1426 /* pointers */
1427 opj_pi_iterator_t *l_pi = 00;
1428 opj_tcp_t *l_tcp = 00;
1429 const opj_tccp_t *l_tccp = 00;
1430 opj_pi_comp_t *l_current_comp = 00;
1431 opj_image_comp_t * l_img_comp = 00;
1432 opj_pi_iterator_t * l_current_pi = 00;
1433 OPJ_UINT32 * l_encoding_value_ptr = 00;
1434
1435 /* preconditions in debug */
1436 assert(p_cp != 00);
1437 assert(p_image != 00);
1438 assert(p_tile_no < p_cp->tw * p_cp->th);
1439
1440 /* initializations */
1441 l_tcp = &p_cp->tcps[p_tile_no];
1442 l_bound = l_tcp->numpocs + 1;
1443
1444 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1445 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1446 l_data_stride * numcomps * sizeof(OPJ_UINT32));
1447 if
1448 (! l_tmp_data) {
1449 return 00;
1450 }
1451 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1452 numcomps * sizeof(OPJ_UINT32 *));
1453 if
1454 (! l_tmp_ptr) {
1455 opj_free(l_tmp_data);
1456 return 00;
1457 }
1458
1459 /* memory allocation for pi */
1460 l_pi = opj_pi_create(p_image, p_cp, p_tile_no, manager);
1461 if (!l_pi) {
1462 opj_free(l_tmp_data);
1463 opj_free(l_tmp_ptr);
1464 return 00;
1465 }
1466
1467 l_encoding_value_ptr = l_tmp_data;
1468 /* update pointer array */
1469 for
1470 (compno = 0; compno < numcomps; ++compno) {
1471 l_tmp_ptr[compno] = l_encoding_value_ptr;
1472 l_encoding_value_ptr += l_data_stride;
1473 }
1474 /* get encoding parameters */
1475 opj_get_all_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1,
1476 &l_ty0, &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res, l_tmp_ptr);
1477
1478 /* step calculations */
1479 l_step_p = 1;
1480 l_step_c = l_max_prec * l_step_p;
1481 l_step_r = numcomps * l_step_c;
1482 l_step_l = l_max_res * l_step_r;
1483
1484 /* set values for first packet iterator */
1485 l_current_pi = l_pi;
1486
1487 /* memory allocation for include */
1488 /* prevent an integer overflow issue */
1489 /* 0 < l_tcp->numlayers < 65536 c.f. opj_j2k_read_cod in j2k.c */
1490 l_current_pi->include = 00;
1491 if (l_step_l <= (UINT_MAX / (l_tcp->numlayers + 1U))) {
1492 l_current_pi->include_size = (l_tcp->numlayers + 1U) * l_step_l;
1493 l_current_pi->include = (OPJ_INT16*) opj_calloc(
1494 l_current_pi->include_size, sizeof(OPJ_INT16));
1495 }
1496
1497 if (!l_current_pi->include) {
1498 opj_free(l_tmp_data);
1499 opj_free(l_tmp_ptr);
1500 opj_pi_destroy(l_pi, l_bound);
1501 return 00;
1502 }
1503
1504 /* special treatment for the first packet iterator */
1505 l_current_comp = l_current_pi->comps;
1506 l_img_comp = p_image->comps;
1507 l_tccp = l_tcp->tccps;
1508
1509 l_current_pi->tx0 = l_tx0;
1510 l_current_pi->ty0 = l_ty0;
1511 l_current_pi->tx1 = l_tx1;
1512 l_current_pi->ty1 = l_ty1;
1513
1514 /*l_current_pi->dx = l_img_comp->dx;*/
1515 /*l_current_pi->dy = l_img_comp->dy;*/
1516
1517 l_current_pi->step_p = l_step_p;
1518 l_current_pi->step_c = l_step_c;
1519 l_current_pi->step_r = l_step_r;
1520 l_current_pi->step_l = l_step_l;
1521
1522 /* allocation for components and number of components has already been calculated by opj_pi_create */
1523 for
1524 (compno = 0; compno < numcomps; ++compno) {
1525 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1526 l_encoding_value_ptr = l_tmp_ptr[compno];
1527
1528 l_current_comp->dx = l_img_comp->dx;
1529 l_current_comp->dy = l_img_comp->dy;
1530 /* resolutions have already been initialized */
1531 for
1532 (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1533 l_res->pdx = *(l_encoding_value_ptr++);
1534 l_res->pdy = *(l_encoding_value_ptr++);
1535 l_res->pw = *(l_encoding_value_ptr++);
1536 l_res->ph = *(l_encoding_value_ptr++);
1537 ++l_res;
1538 }
1539 ++l_current_comp;
1540 ++l_img_comp;
1541 ++l_tccp;
1542 }
1543 ++l_current_pi;
1544
1545 for (pino = 1 ; pino < l_bound ; ++pino) {
1546 l_current_comp = l_current_pi->comps;
1547 l_img_comp = p_image->comps;
1548 l_tccp = l_tcp->tccps;
1549
1550 l_current_pi->tx0 = l_tx0;
1551 l_current_pi->ty0 = l_ty0;
1552 l_current_pi->tx1 = l_tx1;
1553 l_current_pi->ty1 = l_ty1;
1554 /*l_current_pi->dx = l_dx_min;*/
1555 /*l_current_pi->dy = l_dy_min;*/
1556 l_current_pi->step_p = l_step_p;
1557 l_current_pi->step_c = l_step_c;
1558 l_current_pi->step_r = l_step_r;
1559 l_current_pi->step_l = l_step_l;
1560
1561 /* allocation for components and number of components has already been calculated by opj_pi_create */
1562 for
1563 (compno = 0; compno < numcomps; ++compno) {
1564 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1565 l_encoding_value_ptr = l_tmp_ptr[compno];
1566
1567 l_current_comp->dx = l_img_comp->dx;
1568 l_current_comp->dy = l_img_comp->dy;
1569 /* resolutions have already been initialized */
1570 for
1571 (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1572 l_res->pdx = *(l_encoding_value_ptr++);
1573 l_res->pdy = *(l_encoding_value_ptr++);
1574 l_res->pw = *(l_encoding_value_ptr++);
1575 l_res->ph = *(l_encoding_value_ptr++);
1576 ++l_res;
1577 }
1578 ++l_current_comp;
1579 ++l_img_comp;
1580 ++l_tccp;
1581 }
1582 /* special treatment*/
1583 l_current_pi->include = (l_current_pi - 1)->include;
1584 l_current_pi->include_size = (l_current_pi - 1)->include_size;
1585 ++l_current_pi;
1586 }
1587 opj_free(l_tmp_data);
1588 l_tmp_data = 00;
1589 opj_free(l_tmp_ptr);
1590 l_tmp_ptr = 00;
1591 if
1592 (l_tcp->POC) {
1593 opj_pi_update_decode_poc(l_pi, l_tcp, l_max_prec, l_max_res);
1594 } else {
1595 opj_pi_update_decode_not_poc(l_pi, l_tcp, l_max_prec, l_max_res);
1596 }
1597 return l_pi;
1598 }
1599
1600
opj_get_encoding_packet_count(const opj_image_t * p_image,const opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)1601 OPJ_UINT32 opj_get_encoding_packet_count(const opj_image_t *p_image,
1602 const opj_cp_t *p_cp,
1603 OPJ_UINT32 p_tile_no)
1604 {
1605 OPJ_UINT32 l_max_res;
1606 OPJ_UINT32 l_max_prec;
1607 OPJ_UINT32 l_tx0, l_tx1, l_ty0, l_ty1;
1608 OPJ_UINT32 l_dx_min, l_dy_min;
1609
1610 /* preconditions in debug*/
1611 assert(p_cp != 00);
1612 assert(p_image != 00);
1613 assert(p_tile_no < p_cp->tw * p_cp->th);
1614
1615 /* get encoding parameters*/
1616 opj_get_all_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1,
1617 &l_ty0, &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res, NULL);
1618
1619 return p_cp->tcps[p_tile_no].numlayers * l_max_prec * p_image->numcomps *
1620 l_max_res;
1621 }
1622
1623
opj_pi_initialise_encode(const opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no,J2K_T2_MODE p_t2_mode,opj_event_mgr_t * manager)1624 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
1625 opj_cp_t *p_cp,
1626 OPJ_UINT32 p_tile_no,
1627 J2K_T2_MODE p_t2_mode,
1628 opj_event_mgr_t* manager)
1629 {
1630 OPJ_UINT32 numcomps = p_image->numcomps;
1631
1632 /* loop*/
1633 OPJ_UINT32 pino;
1634 OPJ_UINT32 compno, resno;
1635
1636 /* to store w, h, dx and dy for all components and resolutions*/
1637 OPJ_UINT32 * l_tmp_data;
1638 OPJ_UINT32 ** l_tmp_ptr;
1639
1640 /* encoding parameters to set*/
1641 OPJ_UINT32 l_max_res;
1642 OPJ_UINT32 l_max_prec;
1643 OPJ_UINT32 l_tx0, l_tx1, l_ty0, l_ty1;
1644 OPJ_UINT32 l_dx_min, l_dy_min;
1645 OPJ_UINT32 l_bound;
1646 OPJ_UINT32 l_step_p, l_step_c, l_step_r, l_step_l ;
1647 OPJ_UINT32 l_data_stride;
1648
1649 /* pointers*/
1650 opj_pi_iterator_t *l_pi = 00;
1651 opj_tcp_t *l_tcp = 00;
1652 const opj_tccp_t *l_tccp = 00;
1653 opj_pi_comp_t *l_current_comp = 00;
1654 opj_image_comp_t * l_img_comp = 00;
1655 opj_pi_iterator_t * l_current_pi = 00;
1656 OPJ_UINT32 * l_encoding_value_ptr = 00;
1657
1658 /* preconditions in debug*/
1659 assert(p_cp != 00);
1660 assert(p_image != 00);
1661 assert(p_tile_no < p_cp->tw * p_cp->th);
1662
1663 /* initializations*/
1664 l_tcp = &p_cp->tcps[p_tile_no];
1665 l_bound = l_tcp->numpocs + 1;
1666
1667 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1668 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1669 l_data_stride * numcomps * sizeof(OPJ_UINT32));
1670 if (! l_tmp_data) {
1671 return 00;
1672 }
1673
1674 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1675 numcomps * sizeof(OPJ_UINT32 *));
1676 if (! l_tmp_ptr) {
1677 opj_free(l_tmp_data);
1678 return 00;
1679 }
1680
1681 /* memory allocation for pi*/
1682 l_pi = opj_pi_create(p_image, p_cp, p_tile_no, manager);
1683 if (!l_pi) {
1684 opj_free(l_tmp_data);
1685 opj_free(l_tmp_ptr);
1686 return 00;
1687 }
1688
1689 l_encoding_value_ptr = l_tmp_data;
1690 /* update pointer array*/
1691 for (compno = 0; compno < numcomps; ++compno) {
1692 l_tmp_ptr[compno] = l_encoding_value_ptr;
1693 l_encoding_value_ptr += l_data_stride;
1694 }
1695
1696 /* get encoding parameters*/
1697 opj_get_all_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1,
1698 &l_ty0, &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res, l_tmp_ptr);
1699
1700 /* step calculations*/
1701 l_step_p = 1;
1702 l_step_c = l_max_prec * l_step_p;
1703 l_step_r = numcomps * l_step_c;
1704 l_step_l = l_max_res * l_step_r;
1705
1706 /* set values for first packet iterator*/
1707 l_pi->tp_on = (OPJ_BYTE)p_cp->m_specific_param.m_enc.m_tp_on;
1708 l_current_pi = l_pi;
1709
1710 /* memory allocation for include*/
1711 l_current_pi->include_size = l_tcp->numlayers * l_step_l;
1712 l_current_pi->include = (OPJ_INT16*) opj_calloc(l_current_pi->include_size,
1713 sizeof(OPJ_INT16));
1714 if (!l_current_pi->include) {
1715 opj_free(l_tmp_data);
1716 opj_free(l_tmp_ptr);
1717 opj_pi_destroy(l_pi, l_bound);
1718 return 00;
1719 }
1720
1721 /* special treatment for the first packet iterator*/
1722 l_current_comp = l_current_pi->comps;
1723 l_img_comp = p_image->comps;
1724 l_tccp = l_tcp->tccps;
1725 l_current_pi->tx0 = l_tx0;
1726 l_current_pi->ty0 = l_ty0;
1727 l_current_pi->tx1 = l_tx1;
1728 l_current_pi->ty1 = l_ty1;
1729 l_current_pi->dx = l_dx_min;
1730 l_current_pi->dy = l_dy_min;
1731 l_current_pi->step_p = l_step_p;
1732 l_current_pi->step_c = l_step_c;
1733 l_current_pi->step_r = l_step_r;
1734 l_current_pi->step_l = l_step_l;
1735
1736 /* allocation for components and number of components has already been calculated by opj_pi_create */
1737 for (compno = 0; compno < numcomps; ++compno) {
1738 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1739 l_encoding_value_ptr = l_tmp_ptr[compno];
1740
1741 l_current_comp->dx = l_img_comp->dx;
1742 l_current_comp->dy = l_img_comp->dy;
1743
1744 /* resolutions have already been initialized */
1745 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1746 l_res->pdx = *(l_encoding_value_ptr++);
1747 l_res->pdy = *(l_encoding_value_ptr++);
1748 l_res->pw = *(l_encoding_value_ptr++);
1749 l_res->ph = *(l_encoding_value_ptr++);
1750 ++l_res;
1751 }
1752
1753 ++l_current_comp;
1754 ++l_img_comp;
1755 ++l_tccp;
1756 }
1757 ++l_current_pi;
1758
1759 for (pino = 1 ; pino < l_bound ; ++pino) {
1760 l_current_comp = l_current_pi->comps;
1761 l_img_comp = p_image->comps;
1762 l_tccp = l_tcp->tccps;
1763
1764 l_current_pi->tx0 = l_tx0;
1765 l_current_pi->ty0 = l_ty0;
1766 l_current_pi->tx1 = l_tx1;
1767 l_current_pi->ty1 = l_ty1;
1768 l_current_pi->dx = l_dx_min;
1769 l_current_pi->dy = l_dy_min;
1770 l_current_pi->step_p = l_step_p;
1771 l_current_pi->step_c = l_step_c;
1772 l_current_pi->step_r = l_step_r;
1773 l_current_pi->step_l = l_step_l;
1774
1775 /* allocation for components and number of components has already been calculated by opj_pi_create */
1776 for (compno = 0; compno < numcomps; ++compno) {
1777 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1778 l_encoding_value_ptr = l_tmp_ptr[compno];
1779
1780 l_current_comp->dx = l_img_comp->dx;
1781 l_current_comp->dy = l_img_comp->dy;
1782 /* resolutions have already been initialized */
1783 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1784 l_res->pdx = *(l_encoding_value_ptr++);
1785 l_res->pdy = *(l_encoding_value_ptr++);
1786 l_res->pw = *(l_encoding_value_ptr++);
1787 l_res->ph = *(l_encoding_value_ptr++);
1788 ++l_res;
1789 }
1790 ++l_current_comp;
1791 ++l_img_comp;
1792 ++l_tccp;
1793 }
1794
1795 /* special treatment*/
1796 l_current_pi->include = (l_current_pi - 1)->include;
1797 l_current_pi->include_size = (l_current_pi - 1)->include_size;
1798 ++l_current_pi;
1799 }
1800
1801 opj_free(l_tmp_data);
1802 l_tmp_data = 00;
1803 opj_free(l_tmp_ptr);
1804 l_tmp_ptr = 00;
1805
1806 if (l_tcp->POC && (OPJ_IS_CINEMA(p_cp->rsiz) || p_t2_mode == FINAL_PASS)) {
1807 opj_pi_update_encode_poc_and_final(p_cp, p_tile_no, l_tx0, l_tx1, l_ty0, l_ty1,
1808 l_max_prec, l_max_res, l_dx_min, l_dy_min);
1809 } else {
1810 opj_pi_update_encode_not_poc(p_cp, numcomps, p_tile_no, l_tx0, l_tx1,
1811 l_ty0, l_ty1, l_max_prec, l_max_res, l_dx_min, l_dy_min);
1812 }
1813
1814 return l_pi;
1815 }
1816
opj_pi_create_encode(opj_pi_iterator_t * pi,opj_cp_t * cp,OPJ_UINT32 tileno,OPJ_UINT32 pino,OPJ_UINT32 tpnum,OPJ_INT32 tppos,J2K_T2_MODE t2_mode)1817 void opj_pi_create_encode(opj_pi_iterator_t *pi,
1818 opj_cp_t *cp,
1819 OPJ_UINT32 tileno,
1820 OPJ_UINT32 pino,
1821 OPJ_UINT32 tpnum,
1822 OPJ_INT32 tppos,
1823 J2K_T2_MODE t2_mode)
1824 {
1825 const OPJ_CHAR *prog;
1826 OPJ_INT32 i;
1827 OPJ_UINT32 incr_top = 1, resetX = 0;
1828 opj_tcp_t *tcps = &cp->tcps[tileno];
1829 opj_poc_t *tcp = &tcps->pocs[pino];
1830
1831 prog = opj_j2k_convert_progression_order(tcp->prg);
1832
1833 pi[pino].first = 1;
1834 pi[pino].poc.prg = tcp->prg;
1835
1836 if (!(cp->m_specific_param.m_enc.m_tp_on && ((!OPJ_IS_CINEMA(cp->rsiz) &&
1837 !OPJ_IS_IMF(cp->rsiz) &&
1838 (t2_mode == FINAL_PASS)) || OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)))) {
1839 pi[pino].poc.resno0 = tcp->resS;
1840 pi[pino].poc.resno1 = tcp->resE;
1841 pi[pino].poc.compno0 = tcp->compS;
1842 pi[pino].poc.compno1 = tcp->compE;
1843 pi[pino].poc.layno0 = tcp->layS;
1844 pi[pino].poc.layno1 = tcp->layE;
1845 pi[pino].poc.precno0 = tcp->prcS;
1846 pi[pino].poc.precno1 = tcp->prcE;
1847 pi[pino].poc.tx0 = tcp->txS;
1848 pi[pino].poc.ty0 = tcp->tyS;
1849 pi[pino].poc.tx1 = tcp->txE;
1850 pi[pino].poc.ty1 = tcp->tyE;
1851 } else {
1852 for (i = tppos + 1; i < 4; i++) {
1853 switch (prog[i]) {
1854 case 'R':
1855 pi[pino].poc.resno0 = tcp->resS;
1856 pi[pino].poc.resno1 = tcp->resE;
1857 break;
1858 case 'C':
1859 pi[pino].poc.compno0 = tcp->compS;
1860 pi[pino].poc.compno1 = tcp->compE;
1861 break;
1862 case 'L':
1863 pi[pino].poc.layno0 = tcp->layS;
1864 pi[pino].poc.layno1 = tcp->layE;
1865 break;
1866 case 'P':
1867 switch (tcp->prg) {
1868 case OPJ_LRCP:
1869 case OPJ_RLCP:
1870 pi[pino].poc.precno0 = tcp->prcS;
1871 pi[pino].poc.precno1 = tcp->prcE;
1872 break;
1873 default:
1874 pi[pino].poc.tx0 = tcp->txS;
1875 pi[pino].poc.ty0 = tcp->tyS;
1876 pi[pino].poc.tx1 = tcp->txE;
1877 pi[pino].poc.ty1 = tcp->tyE;
1878 break;
1879 }
1880 break;
1881 }
1882 }
1883
1884 if (tpnum == 0) {
1885 for (i = tppos; i >= 0; i--) {
1886 switch (prog[i]) {
1887 case 'C':
1888 tcp->comp_t = tcp->compS;
1889 pi[pino].poc.compno0 = tcp->comp_t;
1890 pi[pino].poc.compno1 = tcp->comp_t + 1;
1891 tcp->comp_t += 1;
1892 break;
1893 case 'R':
1894 tcp->res_t = tcp->resS;
1895 pi[pino].poc.resno0 = tcp->res_t;
1896 pi[pino].poc.resno1 = tcp->res_t + 1;
1897 tcp->res_t += 1;
1898 break;
1899 case 'L':
1900 tcp->lay_t = tcp->layS;
1901 pi[pino].poc.layno0 = tcp->lay_t;
1902 pi[pino].poc.layno1 = tcp->lay_t + 1;
1903 tcp->lay_t += 1;
1904 break;
1905 case 'P':
1906 switch (tcp->prg) {
1907 case OPJ_LRCP:
1908 case OPJ_RLCP:
1909 tcp->prc_t = tcp->prcS;
1910 pi[pino].poc.precno0 = tcp->prc_t;
1911 pi[pino].poc.precno1 = tcp->prc_t + 1;
1912 tcp->prc_t += 1;
1913 break;
1914 default:
1915 tcp->tx0_t = tcp->txS;
1916 tcp->ty0_t = tcp->tyS;
1917 pi[pino].poc.tx0 = tcp->tx0_t;
1918 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
1919 pi[pino].poc.ty0 = tcp->ty0_t;
1920 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1921 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1922 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1923 break;
1924 }
1925 break;
1926 }
1927 }
1928 incr_top = 1;
1929 } else {
1930 for (i = tppos; i >= 0; i--) {
1931 switch (prog[i]) {
1932 case 'C':
1933 pi[pino].poc.compno0 = tcp->comp_t - 1;
1934 pi[pino].poc.compno1 = tcp->comp_t;
1935 break;
1936 case 'R':
1937 pi[pino].poc.resno0 = tcp->res_t - 1;
1938 pi[pino].poc.resno1 = tcp->res_t;
1939 break;
1940 case 'L':
1941 pi[pino].poc.layno0 = tcp->lay_t - 1;
1942 pi[pino].poc.layno1 = tcp->lay_t;
1943 break;
1944 case 'P':
1945 switch (tcp->prg) {
1946 case OPJ_LRCP:
1947 case OPJ_RLCP:
1948 pi[pino].poc.precno0 = tcp->prc_t - 1;
1949 pi[pino].poc.precno1 = tcp->prc_t;
1950 break;
1951 default:
1952 pi[pino].poc.tx0 = tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx);
1953 pi[pino].poc.tx1 = tcp->tx0_t ;
1954 pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
1955 pi[pino].poc.ty1 = tcp->ty0_t ;
1956 break;
1957 }
1958 break;
1959 }
1960 if (incr_top == 1) {
1961 switch (prog[i]) {
1962 case 'R':
1963 if (tcp->res_t == tcp->resE) {
1964 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1965 tcp->res_t = tcp->resS;
1966 pi[pino].poc.resno0 = tcp->res_t;
1967 pi[pino].poc.resno1 = tcp->res_t + 1;
1968 tcp->res_t += 1;
1969 incr_top = 1;
1970 } else {
1971 incr_top = 0;
1972 }
1973 } else {
1974 pi[pino].poc.resno0 = tcp->res_t;
1975 pi[pino].poc.resno1 = tcp->res_t + 1;
1976 tcp->res_t += 1;
1977 incr_top = 0;
1978 }
1979 break;
1980 case 'C':
1981 if (tcp->comp_t == tcp->compE) {
1982 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1983 tcp->comp_t = tcp->compS;
1984 pi[pino].poc.compno0 = tcp->comp_t;
1985 pi[pino].poc.compno1 = tcp->comp_t + 1;
1986 tcp->comp_t += 1;
1987 incr_top = 1;
1988 } else {
1989 incr_top = 0;
1990 }
1991 } else {
1992 pi[pino].poc.compno0 = tcp->comp_t;
1993 pi[pino].poc.compno1 = tcp->comp_t + 1;
1994 tcp->comp_t += 1;
1995 incr_top = 0;
1996 }
1997 break;
1998 case 'L':
1999 if (tcp->lay_t == tcp->layE) {
2000 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
2001 tcp->lay_t = tcp->layS;
2002 pi[pino].poc.layno0 = tcp->lay_t;
2003 pi[pino].poc.layno1 = tcp->lay_t + 1;
2004 tcp->lay_t += 1;
2005 incr_top = 1;
2006 } else {
2007 incr_top = 0;
2008 }
2009 } else {
2010 pi[pino].poc.layno0 = tcp->lay_t;
2011 pi[pino].poc.layno1 = tcp->lay_t + 1;
2012 tcp->lay_t += 1;
2013 incr_top = 0;
2014 }
2015 break;
2016 case 'P':
2017 switch (tcp->prg) {
2018 case OPJ_LRCP:
2019 case OPJ_RLCP:
2020 if (tcp->prc_t == tcp->prcE) {
2021 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
2022 tcp->prc_t = tcp->prcS;
2023 pi[pino].poc.precno0 = tcp->prc_t;
2024 pi[pino].poc.precno1 = tcp->prc_t + 1;
2025 tcp->prc_t += 1;
2026 incr_top = 1;
2027 } else {
2028 incr_top = 0;
2029 }
2030 } else {
2031 pi[pino].poc.precno0 = tcp->prc_t;
2032 pi[pino].poc.precno1 = tcp->prc_t + 1;
2033 tcp->prc_t += 1;
2034 incr_top = 0;
2035 }
2036 break;
2037 default:
2038 if (tcp->tx0_t >= tcp->txE) {
2039 if (tcp->ty0_t >= tcp->tyE) {
2040 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
2041 tcp->ty0_t = tcp->tyS;
2042 pi[pino].poc.ty0 = tcp->ty0_t;
2043 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
2044 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
2045 incr_top = 1;
2046 resetX = 1;
2047 } else {
2048 incr_top = 0;
2049 resetX = 0;
2050 }
2051 } else {
2052 pi[pino].poc.ty0 = tcp->ty0_t;
2053 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
2054 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
2055 incr_top = 0;
2056 resetX = 1;
2057 }
2058 if (resetX == 1) {
2059 tcp->tx0_t = tcp->txS;
2060 pi[pino].poc.tx0 = tcp->tx0_t;
2061 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
2062 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
2063 }
2064 } else {
2065 pi[pino].poc.tx0 = tcp->tx0_t;
2066 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
2067 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
2068 incr_top = 0;
2069 }
2070 break;
2071 }
2072 break;
2073 }
2074 }
2075 }
2076 }
2077 }
2078 }
2079
opj_pi_destroy(opj_pi_iterator_t * p_pi,OPJ_UINT32 p_nb_elements)2080 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
2081 OPJ_UINT32 p_nb_elements)
2082 {
2083 OPJ_UINT32 compno, pino;
2084 opj_pi_iterator_t *l_current_pi = p_pi;
2085 if (p_pi) {
2086 if (p_pi->include) {
2087 opj_free(p_pi->include);
2088 p_pi->include = 00;
2089 }
2090 for (pino = 0; pino < p_nb_elements; ++pino) {
2091 if (l_current_pi->comps) {
2092 opj_pi_comp_t *l_current_component = l_current_pi->comps;
2093 for (compno = 0; compno < l_current_pi->numcomps; compno++) {
2094 if (l_current_component->resolutions) {
2095 opj_free(l_current_component->resolutions);
2096 l_current_component->resolutions = 00;
2097 }
2098
2099 ++l_current_component;
2100 }
2101 opj_free(l_current_pi->comps);
2102 l_current_pi->comps = 0;
2103 }
2104 ++l_current_pi;
2105 }
2106 opj_free(p_pi);
2107 }
2108 }
2109
2110
2111
opj_pi_update_encoding_parameters(const opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)2112 void opj_pi_update_encoding_parameters(const opj_image_t *p_image,
2113 opj_cp_t *p_cp,
2114 OPJ_UINT32 p_tile_no)
2115 {
2116 /* encoding parameters to set */
2117 OPJ_UINT32 l_max_res;
2118 OPJ_UINT32 l_max_prec;
2119 OPJ_UINT32 l_tx0, l_tx1, l_ty0, l_ty1;
2120 OPJ_UINT32 l_dx_min, l_dy_min;
2121
2122 /* pointers */
2123 opj_tcp_t *l_tcp = 00;
2124
2125 /* preconditions */
2126 assert(p_cp != 00);
2127 assert(p_image != 00);
2128 assert(p_tile_no < p_cp->tw * p_cp->th);
2129
2130 l_tcp = &(p_cp->tcps[p_tile_no]);
2131
2132 /* get encoding parameters */
2133 opj_get_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1, &l_ty0,
2134 &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res);
2135
2136 if (l_tcp->POC) {
2137 opj_pi_update_encode_poc_and_final(p_cp, p_tile_no, l_tx0, l_tx1, l_ty0, l_ty1,
2138 l_max_prec, l_max_res, l_dx_min, l_dy_min);
2139 } else {
2140 opj_pi_update_encode_not_poc(p_cp, p_image->numcomps, p_tile_no, l_tx0, l_tx1,
2141 l_ty0, l_ty1, l_max_prec, l_max_res, l_dx_min, l_dy_min);
2142 }
2143 }
2144
opj_pi_next(opj_pi_iterator_t * pi)2145 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi)
2146 {
2147 switch (pi->poc.prg) {
2148 case OPJ_LRCP:
2149 return opj_pi_next_lrcp(pi);
2150 case OPJ_RLCP:
2151 return opj_pi_next_rlcp(pi);
2152 case OPJ_RPCL:
2153 return opj_pi_next_rpcl(pi);
2154 case OPJ_PCRL:
2155 return opj_pi_next_pcrl(pi);
2156 case OPJ_CPRL:
2157 return opj_pi_next_cprl(pi);
2158 case OPJ_PROG_UNKNOWN:
2159 return OPJ_FALSE;
2160 }
2161
2162 return OPJ_FALSE;
2163 }
2164