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 #include "opj_includes.h"
40
41 /** @defgroup PI PI - Implementation of a packet iterator */
42 /*@{*/
43
44 /** @name Local static functions */
45 /*@{*/
46
47 /**
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
51 */
52 static OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi);
53 /**
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
57 */
58 static OPJ_BOOL opj_pi_next_rlcp(opj_pi_iterator_t * pi);
59 /**
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
63 */
64 static OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi);
65 /**
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
69 */
70 static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi);
71 /**
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
75 */
76 static OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi);
77
78 /**
79 * Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used).
80 *
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.
91 */
92 static void opj_pi_update_encode_poc_and_final(opj_cp_t *p_cp,
93 OPJ_UINT32 p_tileno,
94 OPJ_INT32 p_tx0,
95 OPJ_INT32 p_tx1,
96 OPJ_INT32 p_ty0,
97 OPJ_INT32 p_ty1,
98 OPJ_UINT32 p_max_prec,
99 OPJ_UINT32 p_max_res,
100 OPJ_UINT32 p_dx_min,
101 OPJ_UINT32 p_dy_min);
102
103 /**
104 * Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used).
105 *
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.
117 */
118 static void opj_pi_update_encode_not_poc(opj_cp_t *p_cp,
119 OPJ_UINT32 p_num_comps,
120 OPJ_UINT32 p_tileno,
121 OPJ_INT32 p_tx0,
122 OPJ_INT32 p_tx1,
123 OPJ_INT32 p_ty0,
124 OPJ_INT32 p_ty1,
125 OPJ_UINT32 p_max_prec,
126 OPJ_UINT32 p_max_res,
127 OPJ_UINT32 p_dx_min,
128 OPJ_UINT32 p_dy_min);
129 /**
130 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
131 *
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 maximum precision for all the bands of the tile
140 * @param p_max_res pointer that will hold the maximum number of resolutions for all the poc inside the tile.
141 * @param p_dx_min pointer that will hold the minimum dx of all the components of all the resolutions for the tile.
142 * @param p_dy_min pointer that will hold the minimum dy of all the components of all the resolutions for the tile.
143 */
144 static void opj_get_encoding_parameters(const opj_image_t *p_image,
145 const opj_cp_t *p_cp,
146 OPJ_UINT32 tileno,
147 OPJ_INT32 * p_tx0,
148 OPJ_INT32 * p_tx1,
149 OPJ_INT32 * p_ty0,
150 OPJ_INT32 * p_ty1,
151 OPJ_UINT32 * p_dx_min,
152 OPJ_UINT32 * p_dy_min,
153 OPJ_UINT32 * p_max_prec,
154 OPJ_UINT32 * p_max_res);
155
156 /**
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 , ...
162 *
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 maximum precision for all the bands of the tile
171 * @param p_max_res pointer that will hold the maximum number of resolutions for all the poc inside the tile.
172 * @param p_dx_min pointer that will hold the minimum dx of all the components of all the resolutions for the tile.
173 * @param p_dy_min pointer that will hold 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.
175 */
176 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
177 const opj_cp_t *p_cp,
178 OPJ_UINT32 tileno,
179 OPJ_INT32 * p_tx0,
180 OPJ_INT32 * p_tx1,
181 OPJ_INT32 * p_ty0,
182 OPJ_INT32 * p_ty1,
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);
188 /**
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.
191 *
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.
195 */
196 static opj_pi_iterator_t * opj_pi_create(const opj_image_t *p_image,
197 const opj_cp_t *p_cp,
198 OPJ_UINT32 tileno);
199 /**
200 * FIXME DOC
201 */
202 static void opj_pi_update_decode_not_poc(opj_pi_iterator_t * p_pi,
203 opj_tcp_t * p_tcp,
204 OPJ_UINT32 p_max_precision,
205 OPJ_UINT32 p_max_res);
206 /**
207 * FIXME DOC
208 */
209 static void opj_pi_update_decode_poc(opj_pi_iterator_t * p_pi,
210 opj_tcp_t * p_tcp,
211 OPJ_UINT32 p_max_precision,
212 OPJ_UINT32 p_max_res);
213
214 /**
215 * FIXME DOC
216 */
217 static OPJ_BOOL opj_pi_check_next_level(OPJ_INT32 pos,
218 opj_cp_t *cp,
219 OPJ_UINT32 tileno,
220 OPJ_UINT32 pino,
221 const OPJ_CHAR *prog);
222
223 /*@}*/
224
225 /*@}*/
226
227 /*
228 ==========================================================
229 local functions
230 ==========================================================
231 */
232
opj_pi_emit_error(opj_pi_iterator_t * pi,const char * msg)233 static void opj_pi_emit_error(opj_pi_iterator_t * pi, const char* msg)
234 {
235 (void)pi;
236 (void)msg;
237 }
238
opj_pi_next_lrcp(opj_pi_iterator_t * pi)239 static OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi)
240 {
241 opj_pi_comp_t *comp = NULL;
242 opj_pi_resolution_t *res = NULL;
243 OPJ_UINT32 index = 0;
244
245 if (!pi->first) {
246 comp = &pi->comps[pi->compno];
247 res = &comp->resolutions[pi->resno];
248 goto LABEL_SKIP;
249 } else {
250 pi->first = 0;
251 }
252
253 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
254 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
255 pi->resno++) {
256 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
257 comp = &pi->comps[pi->compno];
258 if (pi->resno >= comp->numresolutions) {
259 continue;
260 }
261 res = &comp->resolutions[pi->resno];
262 if (!pi->tp_on) {
263 pi->poc.precno1 = res->pw * res->ph;
264 }
265 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
266 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
267 pi->step_c + pi->precno * pi->step_p;
268 /* Avoids index out of bounds access with */
269 /* id_000098,sig_11,src_005411,op_havoc,rep_2 of */
270 /* https://github.com/uclouvain/openjpeg/issues/938 */
271 /* Not sure if this is the most clever fix. Perhaps */
272 /* include should be resized when a POC arises, or */
273 /* the POC should be rejected */
274 if (index >= pi->include_size) {
275 opj_pi_emit_error(pi, "Invalid access to pi->include");
276 return OPJ_FALSE;
277 }
278 if (!pi->include[index]) {
279 pi->include[index] = 1;
280 return OPJ_TRUE;
281 }
282 LABEL_SKIP:
283 ;
284 }
285 }
286 }
287 }
288
289 return OPJ_FALSE;
290 }
291
opj_pi_next_rlcp(opj_pi_iterator_t * pi)292 static OPJ_BOOL opj_pi_next_rlcp(opj_pi_iterator_t * pi)
293 {
294 opj_pi_comp_t *comp = NULL;
295 opj_pi_resolution_t *res = NULL;
296 OPJ_UINT32 index = 0;
297
298 if (!pi->first) {
299 comp = &pi->comps[pi->compno];
300 res = &comp->resolutions[pi->resno];
301 goto LABEL_SKIP;
302 } else {
303 pi->first = 0;
304 }
305
306 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
307 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
308 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
309 comp = &pi->comps[pi->compno];
310 if (pi->resno >= comp->numresolutions) {
311 continue;
312 }
313 res = &comp->resolutions[pi->resno];
314 if (!pi->tp_on) {
315 pi->poc.precno1 = res->pw * res->ph;
316 }
317 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
318 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
319 pi->step_c + pi->precno * pi->step_p;
320 if (index >= pi->include_size) {
321 opj_pi_emit_error(pi, "Invalid access to pi->include");
322 return OPJ_FALSE;
323 }
324 if (!pi->include[index]) {
325 pi->include[index] = 1;
326 return OPJ_TRUE;
327 }
328 LABEL_SKIP:
329 ;
330 }
331 }
332 }
333 }
334
335 return OPJ_FALSE;
336 }
337
opj_pi_next_rpcl(opj_pi_iterator_t * pi)338 static OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi)
339 {
340 opj_pi_comp_t *comp = NULL;
341 opj_pi_resolution_t *res = NULL;
342 OPJ_UINT32 index = 0;
343
344 if (!pi->first) {
345 goto LABEL_SKIP;
346 } else {
347 OPJ_UINT32 compno, resno;
348 pi->first = 0;
349 pi->dx = 0;
350 pi->dy = 0;
351 for (compno = 0; compno < pi->numcomps; compno++) {
352 comp = &pi->comps[compno];
353 for (resno = 0; resno < comp->numresolutions; resno++) {
354 OPJ_UINT32 dx, dy;
355 res = &comp->resolutions[resno];
356 if (res->pdx + comp->numresolutions - 1 - resno < 32 &&
357 comp->dx <= UINT_MAX / (1u << (res->pdx + comp->numresolutions - 1 - resno))) {
358 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
359 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
360 }
361 if (res->pdy + comp->numresolutions - 1 - resno < 32 &&
362 comp->dy <= UINT_MAX / (1u << (res->pdy + comp->numresolutions - 1 - resno))) {
363 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
364 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
365 }
366 }
367 }
368 if (pi->dx == 0 || pi->dy == 0) {
369 return OPJ_FALSE;
370 }
371 }
372 if (!pi->tp_on) {
373 pi->poc.ty0 = pi->ty0;
374 pi->poc.tx0 = pi->tx0;
375 pi->poc.ty1 = pi->ty1;
376 pi->poc.tx1 = pi->tx1;
377 }
378 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
379 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1;
380 pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
381 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1;
382 pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
383 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
384 OPJ_UINT32 levelno;
385 OPJ_INT32 trx0, try0;
386 OPJ_INT32 trx1, try1;
387 OPJ_UINT32 rpx, rpy;
388 OPJ_INT32 prci, prcj;
389 comp = &pi->comps[pi->compno];
390 if (pi->resno >= comp->numresolutions) {
391 continue;
392 }
393 res = &comp->resolutions[pi->resno];
394 levelno = comp->numresolutions - 1 - pi->resno;
395 /* Avoids division by zero */
396 /* Relates to id_000004,sig_06,src_000679,op_arith8,pos_49,val_-17 */
397 /* of https://github.com/uclouvain/openjpeg/issues/938 */
398 if (levelno >= 32 ||
399 ((comp->dx << levelno) >> levelno) != comp->dx ||
400 ((comp->dy << levelno) >> levelno) != comp->dy) {
401 continue;
402 }
403 if ((comp->dx << levelno) > INT_MAX ||
404 (comp->dy << levelno) > INT_MAX) {
405 continue;
406 }
407 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
408 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
409 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
410 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
411 rpx = res->pdx + levelno;
412 rpy = res->pdy + levelno;
413
414 /* To avoid divisions by zero / undefined behaviour on shift */
415 /* in below tests */
416 /* Fixes reading id:000026,sig:08,src:002419,op:int32,pos:60,val:+32 */
417 /* of https://github.com/uclouvain/openjpeg/issues/938 */
418 if (rpx >= 31 || ((comp->dx << rpx) >> rpx) != comp->dx ||
419 rpy >= 31 || ((comp->dy << rpy) >> rpy) != comp->dy) {
420 continue;
421 }
422
423 /* See ISO-15441. B.12.1.3 Resolution level-position-component-layer progression */
424 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
425 ((try0 << levelno) % (1 << rpy))))) {
426 continue;
427 }
428 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
429 ((trx0 << levelno) % (1 << rpx))))) {
430 continue;
431 }
432
433 if ((res->pw == 0) || (res->ph == 0)) {
434 continue;
435 }
436
437 if ((trx0 == trx1) || (try0 == try1)) {
438 continue;
439 }
440
441 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x,
442 (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
443 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
444 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y,
445 (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
446 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
447 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
448 if (pi->precno >= res->pw * res->ph) {
449 return OPJ_FALSE;
450 }
451 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
452 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
453 pi->step_c + pi->precno * pi->step_p;
454 if (index >= pi->include_size) {
455 opj_pi_emit_error(pi, "Invalid access to pi->include");
456 return OPJ_FALSE;
457 }
458 if (!pi->include[index]) {
459 pi->include[index] = 1;
460 return OPJ_TRUE;
461 }
462 LABEL_SKIP:
463 ;
464 }
465 }
466 }
467 }
468 }
469
470 return OPJ_FALSE;
471 }
472
opj_pi_next_pcrl(opj_pi_iterator_t * pi)473 static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi)
474 {
475 opj_pi_comp_t *comp = NULL;
476 opj_pi_resolution_t *res = NULL;
477 OPJ_UINT32 index = 0;
478
479 if (!pi->first) {
480 comp = &pi->comps[pi->compno];
481 goto LABEL_SKIP;
482 } else {
483 OPJ_UINT32 compno, resno;
484 pi->first = 0;
485 pi->dx = 0;
486 pi->dy = 0;
487 for (compno = 0; compno < pi->numcomps; compno++) {
488 comp = &pi->comps[compno];
489 for (resno = 0; resno < comp->numresolutions; resno++) {
490 OPJ_UINT32 dx, dy;
491 res = &comp->resolutions[resno];
492 if (res->pdx + comp->numresolutions - 1 - resno < 32 &&
493 comp->dx <= UINT_MAX / (1u << (res->pdx + comp->numresolutions - 1 - resno))) {
494 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
495 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
496 }
497 if (res->pdy + comp->numresolutions - 1 - resno < 32 &&
498 comp->dy <= UINT_MAX / (1u << (res->pdy + comp->numresolutions - 1 - resno))) {
499 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
500 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
501 }
502 }
503 }
504 if (pi->dx == 0 || pi->dy == 0) {
505 return OPJ_FALSE;
506 }
507 }
508 if (!pi->tp_on) {
509 pi->poc.ty0 = pi->ty0;
510 pi->poc.tx0 = pi->tx0;
511 pi->poc.ty1 = pi->ty1;
512 pi->poc.tx1 = pi->tx1;
513 }
514 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1;
515 pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
516 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1;
517 pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
518 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
519 comp = &pi->comps[pi->compno];
520 for (pi->resno = pi->poc.resno0;
521 pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
522 OPJ_UINT32 levelno;
523 OPJ_INT32 trx0, try0;
524 OPJ_INT32 trx1, try1;
525 OPJ_UINT32 rpx, rpy;
526 OPJ_INT32 prci, prcj;
527 res = &comp->resolutions[pi->resno];
528 levelno = comp->numresolutions - 1 - pi->resno;
529 /* Avoids division by zero */
530 /* Relates to id_000004,sig_06,src_000679,op_arith8,pos_49,val_-17 */
531 /* of https://github.com/uclouvain/openjpeg/issues/938 */
532 if (levelno >= 32 ||
533 ((comp->dx << levelno) >> levelno) != comp->dx ||
534 ((comp->dy << levelno) >> levelno) != comp->dy) {
535 continue;
536 }
537 if ((comp->dx << levelno) > INT_MAX ||
538 (comp->dy << levelno) > INT_MAX) {
539 continue;
540 }
541 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
542 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
543 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
544 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
545 rpx = res->pdx + levelno;
546 rpy = res->pdy + levelno;
547
548 /* To avoid divisions by zero / undefined behaviour on shift */
549 /* in below tests */
550 /* Relates to id:000019,sig:08,src:001098,op:flip1,pos:49 */
551 /* of https://github.com/uclouvain/openjpeg/issues/938 */
552 if (rpx >= 31 || ((comp->dx << rpx) >> rpx) != comp->dx ||
553 rpy >= 31 || ((comp->dy << rpy) >> rpy) != comp->dy) {
554 continue;
555 }
556
557 /* See ISO-15441. B.12.1.4 Position-component-resolution level-layer progression */
558 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
559 ((try0 << levelno) % (1 << rpy))))) {
560 continue;
561 }
562 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
563 ((trx0 << levelno) % (1 << rpx))))) {
564 continue;
565 }
566
567 if ((res->pw == 0) || (res->ph == 0)) {
568 continue;
569 }
570
571 if ((trx0 == trx1) || (try0 == try1)) {
572 continue;
573 }
574
575 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x,
576 (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
577 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
578 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y,
579 (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
580 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
581 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
582 if (pi->precno >= res->pw * res->ph) {
583 return OPJ_FALSE;
584 }
585 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
586 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
587 pi->step_c + pi->precno * pi->step_p;
588 if (index >= pi->include_size) {
589 opj_pi_emit_error(pi, "Invalid access to pi->include");
590 return OPJ_FALSE;
591 }
592 if (!pi->include[index]) {
593 pi->include[index] = 1;
594 return OPJ_TRUE;
595 }
596 LABEL_SKIP:
597 ;
598 }
599 }
600 }
601 }
602 }
603
604 return OPJ_FALSE;
605 }
606
opj_pi_next_cprl(opj_pi_iterator_t * pi)607 static OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi)
608 {
609 opj_pi_comp_t *comp = NULL;
610 opj_pi_resolution_t *res = NULL;
611 OPJ_UINT32 index = 0;
612
613 if (!pi->first) {
614 comp = &pi->comps[pi->compno];
615 goto LABEL_SKIP;
616 } else {
617 pi->first = 0;
618 }
619
620 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
621 OPJ_UINT32 resno;
622 comp = &pi->comps[pi->compno];
623 pi->dx = 0;
624 pi->dy = 0;
625 for (resno = 0; resno < comp->numresolutions; resno++) {
626 OPJ_UINT32 dx, dy;
627 res = &comp->resolutions[resno];
628 if (res->pdx + comp->numresolutions - 1 - resno < 32 &&
629 comp->dx <= UINT_MAX / (1u << (res->pdx + comp->numresolutions - 1 - resno))) {
630 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
631 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
632 }
633 if (res->pdy + comp->numresolutions - 1 - resno < 32 &&
634 comp->dy <= UINT_MAX / (1u << (res->pdy + comp->numresolutions - 1 - resno))) {
635 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
636 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
637 }
638 }
639 if (pi->dx == 0 || pi->dy == 0) {
640 return OPJ_FALSE;
641 }
642 if (!pi->tp_on) {
643 pi->poc.ty0 = pi->ty0;
644 pi->poc.tx0 = pi->tx0;
645 pi->poc.ty1 = pi->ty1;
646 pi->poc.tx1 = pi->tx1;
647 }
648 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1;
649 pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
650 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1;
651 pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
652 for (pi->resno = pi->poc.resno0;
653 pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
654 OPJ_UINT32 levelno;
655 OPJ_INT32 trx0, try0;
656 OPJ_INT32 trx1, try1;
657 OPJ_UINT32 rpx, rpy;
658 OPJ_INT32 prci, prcj;
659 res = &comp->resolutions[pi->resno];
660 levelno = comp->numresolutions - 1 - pi->resno;
661 /* Avoids division by zero on id_000004,sig_06,src_000679,op_arith8,pos_49,val_-17 */
662 /* of https://github.com/uclouvain/openjpeg/issues/938 */
663 if (levelno >= 32 ||
664 ((comp->dx << levelno) >> levelno) != comp->dx ||
665 ((comp->dy << levelno) >> levelno) != comp->dy) {
666 continue;
667 }
668 if ((comp->dx << levelno) > INT_MAX ||
669 (comp->dy << levelno) > INT_MAX) {
670 continue;
671 }
672 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
673 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
674 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
675 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
676 rpx = res->pdx + levelno;
677 rpy = res->pdy + levelno;
678
679 /* To avoid divisions by zero / undefined behaviour on shift */
680 /* in below tests */
681 /* Fixes reading id:000019,sig:08,src:001098,op:flip1,pos:49 */
682 /* of https://github.com/uclouvain/openjpeg/issues/938 */
683 if (rpx >= 31 || ((comp->dx << rpx) >> rpx) != comp->dx ||
684 rpy >= 31 || ((comp->dy << rpy) >> rpy) != comp->dy) {
685 continue;
686 }
687
688 /* See ISO-15441. B.12.1.5 Component-position-resolution level-layer progression */
689 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
690 ((try0 << levelno) % (1 << rpy))))) {
691 continue;
692 }
693 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
694 ((trx0 << levelno) % (1 << rpx))))) {
695 continue;
696 }
697
698 if ((res->pw == 0) || (res->ph == 0)) {
699 continue;
700 }
701
702 if ((trx0 == trx1) || (try0 == try1)) {
703 continue;
704 }
705
706 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x,
707 (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
708 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
709 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y,
710 (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
711 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
712 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
713 if (pi->precno >= res->pw * res->ph) {
714 return OPJ_FALSE;
715 }
716 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
717 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
718 pi->step_c + pi->precno * pi->step_p;
719 if (index >= pi->include_size) {
720 opj_pi_emit_error(pi, "Invalid access to pi->include");
721 return OPJ_FALSE;
722 }
723 if (!pi->include[index]) {
724 pi->include[index] = 1;
725 return OPJ_TRUE;
726 }
727 LABEL_SKIP:
728 ;
729 }
730 }
731 }
732 }
733 }
734
735 return OPJ_FALSE;
736 }
737
opj_get_encoding_parameters(const opj_image_t * p_image,const opj_cp_t * p_cp,OPJ_UINT32 p_tileno,OPJ_INT32 * p_tx0,OPJ_INT32 * p_tx1,OPJ_INT32 * p_ty0,OPJ_INT32 * p_ty1,OPJ_UINT32 * p_dx_min,OPJ_UINT32 * p_dy_min,OPJ_UINT32 * p_max_prec,OPJ_UINT32 * p_max_res)738 static void opj_get_encoding_parameters(const opj_image_t *p_image,
739 const opj_cp_t *p_cp,
740 OPJ_UINT32 p_tileno,
741 OPJ_INT32 * p_tx0,
742 OPJ_INT32 * p_tx1,
743 OPJ_INT32 * p_ty0,
744 OPJ_INT32 * p_ty1,
745 OPJ_UINT32 * p_dx_min,
746 OPJ_UINT32 * p_dy_min,
747 OPJ_UINT32 * p_max_prec,
748 OPJ_UINT32 * p_max_res)
749 {
750 /* loop */
751 OPJ_UINT32 compno, resno;
752 /* pointers */
753 const opj_tcp_t *l_tcp = 00;
754 const opj_tccp_t * l_tccp = 00;
755 const opj_image_comp_t * l_img_comp = 00;
756
757 /* position in x and y of tile */
758 OPJ_UINT32 p, q;
759
760 /* non-corrected (in regard to image offset) tile offset */
761 OPJ_UINT32 l_tx0, l_ty0;
762
763 /* preconditions */
764 assert(p_cp != 00);
765 assert(p_image != 00);
766 assert(p_tileno < p_cp->tw * p_cp->th);
767
768 /* initializations */
769 l_tcp = &p_cp->tcps [p_tileno];
770 l_img_comp = p_image->comps;
771 l_tccp = l_tcp->tccps;
772
773 /* here calculation of tx0, tx1, ty0, ty1, maxprec, dx and dy */
774 p = p_tileno % p_cp->tw;
775 q = p_tileno / p_cp->tw;
776
777 /* find extent of tile */
778 l_tx0 = p_cp->tx0 + p *
779 p_cp->tdx; /* can't be greater than p_image->x1 so won't overflow */
780 *p_tx0 = (OPJ_INT32)opj_uint_max(l_tx0, p_image->x0);
781 *p_tx1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
782 l_ty0 = p_cp->ty0 + q *
783 p_cp->tdy; /* can't be greater than p_image->y1 so won't overflow */
784 *p_ty0 = (OPJ_INT32)opj_uint_max(l_ty0, p_image->y0);
785 *p_ty1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
786
787 /* max precision is 0 (can only grow) */
788 *p_max_prec = 0;
789 *p_max_res = 0;
790
791 /* take the largest value for dx_min and dy_min */
792 *p_dx_min = 0x7fffffff;
793 *p_dy_min = 0x7fffffff;
794
795 for (compno = 0; compno < p_image->numcomps; ++compno) {
796 /* arithmetic variables to calculate */
797 OPJ_UINT32 l_level_no;
798 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
799 OPJ_INT32 l_px0, l_py0, l_px1, py1;
800 OPJ_UINT32 l_pdx, l_pdy;
801 OPJ_UINT32 l_pw, l_ph;
802 OPJ_UINT32 l_product;
803 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
804
805 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
806 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
807 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
808 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
809
810 if (l_tccp->numresolutions > *p_max_res) {
811 *p_max_res = l_tccp->numresolutions;
812 }
813
814 /* use custom size for precincts */
815 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
816 OPJ_UINT32 l_dx, l_dy;
817
818 /* precinct width and height */
819 l_pdx = l_tccp->prcw[resno];
820 l_pdy = l_tccp->prch[resno];
821
822 l_dx = l_img_comp->dx * (1u << (l_pdx + l_tccp->numresolutions - 1 - resno));
823 l_dy = l_img_comp->dy * (1u << (l_pdy + l_tccp->numresolutions - 1 - resno));
824
825 /* take the minimum size for dx for each comp and resolution */
826 *p_dx_min = opj_uint_min(*p_dx_min, l_dx);
827 *p_dy_min = opj_uint_min(*p_dy_min, l_dy);
828
829 /* various calculations of extents */
830 l_level_no = l_tccp->numresolutions - 1 - resno;
831
832 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
833 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
834 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
835 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
836
837 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
838 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
839 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
840
841 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
842
843 l_pw = (l_rx0 == l_rx1) ? 0 : (OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
844 l_ph = (l_ry0 == l_ry1) ? 0 : (OPJ_UINT32)((py1 - l_py0) >> l_pdy);
845
846 l_product = l_pw * l_ph;
847
848 /* update precision */
849 if (l_product > *p_max_prec) {
850 *p_max_prec = l_product;
851 }
852 }
853 ++l_img_comp;
854 ++l_tccp;
855 }
856 }
857
858
opj_get_all_encoding_parameters(const opj_image_t * p_image,const opj_cp_t * p_cp,OPJ_UINT32 tileno,OPJ_INT32 * p_tx0,OPJ_INT32 * p_tx1,OPJ_INT32 * p_ty0,OPJ_INT32 * 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)859 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
860 const opj_cp_t *p_cp,
861 OPJ_UINT32 tileno,
862 OPJ_INT32 * p_tx0,
863 OPJ_INT32 * p_tx1,
864 OPJ_INT32 * p_ty0,
865 OPJ_INT32 * p_ty1,
866 OPJ_UINT32 * p_dx_min,
867 OPJ_UINT32 * p_dy_min,
868 OPJ_UINT32 * p_max_prec,
869 OPJ_UINT32 * p_max_res,
870 OPJ_UINT32 ** p_resolutions)
871 {
872 /* loop*/
873 OPJ_UINT32 compno, resno;
874
875 /* pointers*/
876 const opj_tcp_t *tcp = 00;
877 const opj_tccp_t * l_tccp = 00;
878 const opj_image_comp_t * l_img_comp = 00;
879
880 /* to store l_dx, l_dy, w and h for each resolution and component.*/
881 OPJ_UINT32 * lResolutionPtr;
882
883 /* position in x and y of tile*/
884 OPJ_UINT32 p, q;
885
886 /* non-corrected (in regard to image offset) tile offset */
887 OPJ_UINT32 l_tx0, l_ty0;
888
889 /* preconditions in debug*/
890 assert(p_cp != 00);
891 assert(p_image != 00);
892 assert(tileno < p_cp->tw * p_cp->th);
893
894 /* initializations*/
895 tcp = &p_cp->tcps [tileno];
896 l_tccp = tcp->tccps;
897 l_img_comp = p_image->comps;
898
899 /* position in x and y of tile*/
900 p = tileno % p_cp->tw;
901 q = tileno / p_cp->tw;
902
903 /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
904 l_tx0 = p_cp->tx0 + p *
905 p_cp->tdx; /* can't be greater than p_image->x1 so won't overflow */
906 *p_tx0 = (OPJ_INT32)opj_uint_max(l_tx0, p_image->x0);
907 *p_tx1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
908 l_ty0 = p_cp->ty0 + q *
909 p_cp->tdy; /* can't be greater than p_image->y1 so won't overflow */
910 *p_ty0 = (OPJ_INT32)opj_uint_max(l_ty0, p_image->y0);
911 *p_ty1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
912
913 /* max precision and resolution is 0 (can only grow)*/
914 *p_max_prec = 0;
915 *p_max_res = 0;
916
917 /* take the largest value for dx_min and dy_min*/
918 *p_dx_min = 0x7fffffff;
919 *p_dy_min = 0x7fffffff;
920
921 for (compno = 0; compno < p_image->numcomps; ++compno) {
922 /* aritmetic variables to calculate*/
923 OPJ_UINT32 l_level_no;
924 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
925 OPJ_INT32 l_px0, l_py0, l_px1, py1;
926 OPJ_UINT32 l_product;
927 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
928 OPJ_UINT32 l_pdx, l_pdy, l_pw, l_ph;
929
930 lResolutionPtr = p_resolutions[compno];
931
932 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
933 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
934 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
935 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
936
937 if (l_tccp->numresolutions > *p_max_res) {
938 *p_max_res = l_tccp->numresolutions;
939 }
940
941 /* use custom size for precincts*/
942 l_level_no = l_tccp->numresolutions;
943 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
944 OPJ_UINT32 l_dx, l_dy;
945
946 --l_level_no;
947
948 /* precinct width and height*/
949 l_pdx = l_tccp->prcw[resno];
950 l_pdy = l_tccp->prch[resno];
951 *lResolutionPtr++ = l_pdx;
952 *lResolutionPtr++ = l_pdy;
953 if (l_pdx + l_level_no < 32 &&
954 l_img_comp->dx <= UINT_MAX / (1u << (l_pdx + l_level_no))) {
955 l_dx = l_img_comp->dx * (1u << (l_pdx + l_level_no));
956 /* take the minimum size for l_dx for each comp and resolution*/
957 *p_dx_min = (OPJ_UINT32)opj_int_min((OPJ_INT32) * p_dx_min, (OPJ_INT32)l_dx);
958 }
959 if (l_pdy + l_level_no < 32 &&
960 l_img_comp->dy <= UINT_MAX / (1u << (l_pdy + l_level_no))) {
961 l_dy = l_img_comp->dy * (1u << (l_pdy + l_level_no));
962 *p_dy_min = (OPJ_UINT32)opj_int_min((OPJ_INT32) * p_dy_min, (OPJ_INT32)l_dy);
963 }
964
965 /* various calculations of extents*/
966 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
967 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
968 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
969 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
970 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
971 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
972 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
973 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
974 l_pw = (l_rx0 == l_rx1) ? 0 : (OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
975 l_ph = (l_ry0 == l_ry1) ? 0 : (OPJ_UINT32)((py1 - l_py0) >> l_pdy);
976 *lResolutionPtr++ = l_pw;
977 *lResolutionPtr++ = l_ph;
978 l_product = l_pw * l_ph;
979
980 /* update precision*/
981 if (l_product > *p_max_prec) {
982 *p_max_prec = l_product;
983 }
984
985 }
986 ++l_tccp;
987 ++l_img_comp;
988 }
989 }
990
opj_pi_create(const opj_image_t * image,const opj_cp_t * cp,OPJ_UINT32 tileno)991 static opj_pi_iterator_t * opj_pi_create(const opj_image_t *image,
992 const opj_cp_t *cp,
993 OPJ_UINT32 tileno)
994 {
995 /* loop*/
996 OPJ_UINT32 pino, compno;
997 /* number of poc in the p_pi*/
998 OPJ_UINT32 l_poc_bound;
999
1000 /* pointers to tile coding parameters and components.*/
1001 opj_pi_iterator_t *l_pi = 00;
1002 opj_tcp_t *tcp = 00;
1003 const opj_tccp_t *tccp = 00;
1004
1005 /* current packet iterator being allocated*/
1006 opj_pi_iterator_t *l_current_pi = 00;
1007
1008 /* preconditions in debug*/
1009 assert(cp != 00);
1010 assert(image != 00);
1011 assert(tileno < cp->tw * cp->th);
1012
1013 /* initializations*/
1014 tcp = &cp->tcps[tileno];
1015 l_poc_bound = tcp->numpocs + 1;
1016
1017 /* memory allocations*/
1018 l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound),
1019 sizeof(opj_pi_iterator_t));
1020 if (!l_pi) {
1021 return NULL;
1022 }
1023
1024 l_current_pi = l_pi;
1025 for (pino = 0; pino < l_poc_bound ; ++pino) {
1026
1027 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps,
1028 sizeof(opj_pi_comp_t));
1029 if (! l_current_pi->comps) {
1030 opj_pi_destroy(l_pi, l_poc_bound);
1031 return NULL;
1032 }
1033
1034 l_current_pi->numcomps = image->numcomps;
1035
1036 for (compno = 0; compno < image->numcomps; ++compno) {
1037 opj_pi_comp_t *comp = &l_current_pi->comps[compno];
1038
1039 tccp = &tcp->tccps[compno];
1040
1041 comp->resolutions = (opj_pi_resolution_t*) opj_calloc(tccp->numresolutions,
1042 sizeof(opj_pi_resolution_t));
1043 if (!comp->resolutions) {
1044 opj_pi_destroy(l_pi, l_poc_bound);
1045 return 00;
1046 }
1047
1048 comp->numresolutions = tccp->numresolutions;
1049 }
1050 ++l_current_pi;
1051 }
1052 return l_pi;
1053 }
1054
opj_pi_update_encode_poc_and_final(opj_cp_t * p_cp,OPJ_UINT32 p_tileno,OPJ_INT32 p_tx0,OPJ_INT32 p_tx1,OPJ_INT32 p_ty0,OPJ_INT32 p_ty1,OPJ_UINT32 p_max_prec,OPJ_UINT32 p_max_res,OPJ_UINT32 p_dx_min,OPJ_UINT32 p_dy_min)1055 static void opj_pi_update_encode_poc_and_final(opj_cp_t *p_cp,
1056 OPJ_UINT32 p_tileno,
1057 OPJ_INT32 p_tx0,
1058 OPJ_INT32 p_tx1,
1059 OPJ_INT32 p_ty0,
1060 OPJ_INT32 p_ty1,
1061 OPJ_UINT32 p_max_prec,
1062 OPJ_UINT32 p_max_res,
1063 OPJ_UINT32 p_dx_min,
1064 OPJ_UINT32 p_dy_min)
1065 {
1066 /* loop*/
1067 OPJ_UINT32 pino;
1068 /* tile coding parameter*/
1069 opj_tcp_t *l_tcp = 00;
1070 /* current poc being updated*/
1071 opj_poc_t * l_current_poc = 00;
1072
1073 /* number of pocs*/
1074 OPJ_UINT32 l_poc_bound;
1075
1076 OPJ_ARG_NOT_USED(p_max_res);
1077
1078 /* preconditions in debug*/
1079 assert(p_cp != 00);
1080 assert(p_tileno < p_cp->tw * p_cp->th);
1081
1082 /* initializations*/
1083 l_tcp = &p_cp->tcps [p_tileno];
1084 /* number of iterations in the loop */
1085 l_poc_bound = l_tcp->numpocs + 1;
1086
1087 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
1088 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
1089 l_current_poc = l_tcp->pocs;
1090
1091 l_current_poc->compS = l_current_poc->compno0;
1092 l_current_poc->compE = l_current_poc->compno1;
1093 l_current_poc->resS = l_current_poc->resno0;
1094 l_current_poc->resE = l_current_poc->resno1;
1095 l_current_poc->layE = l_current_poc->layno1;
1096
1097 /* special treatment for the first element*/
1098 l_current_poc->layS = 0;
1099 l_current_poc->prg = l_current_poc->prg1;
1100 l_current_poc->prcS = 0;
1101
1102 l_current_poc->prcE = p_max_prec;
1103 l_current_poc->txS = (OPJ_UINT32)p_tx0;
1104 l_current_poc->txE = (OPJ_UINT32)p_tx1;
1105 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
1106 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
1107 l_current_poc->dx = p_dx_min;
1108 l_current_poc->dy = p_dy_min;
1109
1110 ++ l_current_poc;
1111 for (pino = 1; pino < l_poc_bound ; ++pino) {
1112 l_current_poc->compS = l_current_poc->compno0;
1113 l_current_poc->compE = l_current_poc->compno1;
1114 l_current_poc->resS = l_current_poc->resno0;
1115 l_current_poc->resE = l_current_poc->resno1;
1116 l_current_poc->layE = l_current_poc->layno1;
1117 l_current_poc->prg = l_current_poc->prg1;
1118 l_current_poc->prcS = 0;
1119 /* special treatment here different from the first element*/
1120 l_current_poc->layS = (l_current_poc->layE > (l_current_poc - 1)->layE) ?
1121 l_current_poc->layE : 0;
1122
1123 l_current_poc->prcE = p_max_prec;
1124 l_current_poc->txS = (OPJ_UINT32)p_tx0;
1125 l_current_poc->txE = (OPJ_UINT32)p_tx1;
1126 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
1127 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
1128 l_current_poc->dx = p_dx_min;
1129 l_current_poc->dy = p_dy_min;
1130 ++ l_current_poc;
1131 }
1132 }
1133
opj_pi_update_encode_not_poc(opj_cp_t * p_cp,OPJ_UINT32 p_num_comps,OPJ_UINT32 p_tileno,OPJ_INT32 p_tx0,OPJ_INT32 p_tx1,OPJ_INT32 p_ty0,OPJ_INT32 p_ty1,OPJ_UINT32 p_max_prec,OPJ_UINT32 p_max_res,OPJ_UINT32 p_dx_min,OPJ_UINT32 p_dy_min)1134 static void opj_pi_update_encode_not_poc(opj_cp_t *p_cp,
1135 OPJ_UINT32 p_num_comps,
1136 OPJ_UINT32 p_tileno,
1137 OPJ_INT32 p_tx0,
1138 OPJ_INT32 p_tx1,
1139 OPJ_INT32 p_ty0,
1140 OPJ_INT32 p_ty1,
1141 OPJ_UINT32 p_max_prec,
1142 OPJ_UINT32 p_max_res,
1143 OPJ_UINT32 p_dx_min,
1144 OPJ_UINT32 p_dy_min)
1145 {
1146 /* loop*/
1147 OPJ_UINT32 pino;
1148 /* tile coding parameter*/
1149 opj_tcp_t *l_tcp = 00;
1150 /* current poc being updated*/
1151 opj_poc_t * l_current_poc = 00;
1152 /* number of pocs*/
1153 OPJ_UINT32 l_poc_bound;
1154
1155 /* preconditions in debug*/
1156 assert(p_cp != 00);
1157 assert(p_tileno < p_cp->tw * p_cp->th);
1158
1159 /* initializations*/
1160 l_tcp = &p_cp->tcps [p_tileno];
1161
1162 /* number of iterations in the loop */
1163 l_poc_bound = l_tcp->numpocs + 1;
1164
1165 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
1166 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
1167 l_current_poc = l_tcp->pocs;
1168
1169 for (pino = 0; pino < l_poc_bound ; ++pino) {
1170 l_current_poc->compS = 0;
1171 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
1172 l_current_poc->resS = 0;
1173 l_current_poc->resE = p_max_res;
1174 l_current_poc->layS = 0;
1175 l_current_poc->layE = l_tcp->numlayers;
1176 l_current_poc->prg = l_tcp->prg;
1177 l_current_poc->prcS = 0;
1178 l_current_poc->prcE = p_max_prec;
1179 l_current_poc->txS = (OPJ_UINT32)p_tx0;
1180 l_current_poc->txE = (OPJ_UINT32)p_tx1;
1181 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
1182 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
1183 l_current_poc->dx = p_dx_min;
1184 l_current_poc->dy = p_dy_min;
1185 ++ l_current_poc;
1186 }
1187 }
1188
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)1189 static void opj_pi_update_decode_poc(opj_pi_iterator_t * p_pi,
1190 opj_tcp_t * p_tcp,
1191 OPJ_UINT32 p_max_precision,
1192 OPJ_UINT32 p_max_res)
1193 {
1194 /* loop*/
1195 OPJ_UINT32 pino;
1196
1197 /* encoding prameters to set*/
1198 OPJ_UINT32 l_bound;
1199
1200 opj_pi_iterator_t * l_current_pi = 00;
1201 opj_poc_t* l_current_poc = 0;
1202
1203 OPJ_ARG_NOT_USED(p_max_res);
1204
1205 /* preconditions in debug*/
1206 assert(p_pi != 00);
1207 assert(p_tcp != 00);
1208
1209 /* initializations*/
1210 l_bound = p_tcp->numpocs + 1;
1211 l_current_pi = p_pi;
1212 l_current_poc = p_tcp->pocs;
1213
1214 for (pino = 0; pino < l_bound; ++pino) {
1215 l_current_pi->poc.prg = l_current_poc->prg; /* Progression Order #0 */
1216 l_current_pi->first = 1;
1217
1218 l_current_pi->poc.resno0 =
1219 l_current_poc->resno0; /* Resolution Level Index #0 (Start) */
1220 l_current_pi->poc.compno0 =
1221 l_current_poc->compno0; /* Component Index #0 (Start) */
1222 l_current_pi->poc.layno0 = 0;
1223 l_current_pi->poc.precno0 = 0;
1224 l_current_pi->poc.resno1 =
1225 l_current_poc->resno1; /* Resolution Level Index #0 (End) */
1226 l_current_pi->poc.compno1 =
1227 l_current_poc->compno1; /* Component Index #0 (End) */
1228 l_current_pi->poc.layno1 = opj_uint_min(l_current_poc->layno1,
1229 p_tcp->numlayers); /* Layer Index #0 (End) */
1230 l_current_pi->poc.precno1 = p_max_precision;
1231 ++l_current_pi;
1232 ++l_current_poc;
1233 }
1234 }
1235
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)1236 static void opj_pi_update_decode_not_poc(opj_pi_iterator_t * p_pi,
1237 opj_tcp_t * p_tcp,
1238 OPJ_UINT32 p_max_precision,
1239 OPJ_UINT32 p_max_res)
1240 {
1241 /* loop*/
1242 OPJ_UINT32 pino;
1243
1244 /* encoding prameters to set*/
1245 OPJ_UINT32 l_bound;
1246
1247 opj_pi_iterator_t * l_current_pi = 00;
1248 /* preconditions in debug*/
1249 assert(p_tcp != 00);
1250 assert(p_pi != 00);
1251
1252 /* initializations*/
1253 l_bound = p_tcp->numpocs + 1;
1254 l_current_pi = p_pi;
1255
1256 for (pino = 0; pino < l_bound; ++pino) {
1257 l_current_pi->poc.prg = p_tcp->prg;
1258 l_current_pi->first = 1;
1259 l_current_pi->poc.resno0 = 0;
1260 l_current_pi->poc.compno0 = 0;
1261 l_current_pi->poc.layno0 = 0;
1262 l_current_pi->poc.precno0 = 0;
1263 l_current_pi->poc.resno1 = p_max_res;
1264 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1265 l_current_pi->poc.layno1 = p_tcp->numlayers;
1266 l_current_pi->poc.precno1 = p_max_precision;
1267 ++l_current_pi;
1268 }
1269 }
1270
1271
1272
opj_pi_check_next_level(OPJ_INT32 pos,opj_cp_t * cp,OPJ_UINT32 tileno,OPJ_UINT32 pino,const OPJ_CHAR * prog)1273 static OPJ_BOOL opj_pi_check_next_level(OPJ_INT32 pos,
1274 opj_cp_t *cp,
1275 OPJ_UINT32 tileno,
1276 OPJ_UINT32 pino,
1277 const OPJ_CHAR *prog)
1278 {
1279 OPJ_INT32 i;
1280 opj_tcp_t *tcps = &cp->tcps[tileno];
1281 opj_poc_t *tcp = &tcps->pocs[pino];
1282
1283 if (pos >= 0) {
1284 for (i = pos; pos >= 0; i--) {
1285 switch (prog[i]) {
1286 case 'R':
1287 if (tcp->res_t == tcp->resE) {
1288 if (opj_pi_check_next_level(pos - 1, cp, tileno, pino, prog)) {
1289 return OPJ_TRUE;
1290 } else {
1291 return OPJ_FALSE;
1292 }
1293 } else {
1294 return OPJ_TRUE;
1295 }
1296 break;
1297 case 'C':
1298 if (tcp->comp_t == tcp->compE) {
1299 if (opj_pi_check_next_level(pos - 1, cp, tileno, pino, prog)) {
1300 return OPJ_TRUE;
1301 } else {
1302 return OPJ_FALSE;
1303 }
1304 } else {
1305 return OPJ_TRUE;
1306 }
1307 break;
1308 case 'L':
1309 if (tcp->lay_t == tcp->layE) {
1310 if (opj_pi_check_next_level(pos - 1, cp, tileno, pino, prog)) {
1311 return OPJ_TRUE;
1312 } else {
1313 return OPJ_FALSE;
1314 }
1315 } else {
1316 return OPJ_TRUE;
1317 }
1318 break;
1319 case 'P':
1320 switch (tcp->prg) {
1321 case OPJ_LRCP: /* fall through */
1322 case OPJ_RLCP:
1323 if (tcp->prc_t == tcp->prcE) {
1324 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1325 return OPJ_TRUE;
1326 } else {
1327 return OPJ_FALSE;
1328 }
1329 } else {
1330 return OPJ_TRUE;
1331 }
1332 break;
1333 default:
1334 if (tcp->tx0_t == tcp->txE) {
1335 /*TY*/
1336 if (tcp->ty0_t == tcp->tyE) {
1337 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1338 return OPJ_TRUE;
1339 } else {
1340 return OPJ_FALSE;
1341 }
1342 } else {
1343 return OPJ_TRUE;
1344 }/*TY*/
1345 } else {
1346 return OPJ_TRUE;
1347 }
1348 break;
1349 }/*end case P*/
1350 }/*end switch*/
1351 }/*end for*/
1352 }/*end if*/
1353 return OPJ_FALSE;
1354 }
1355
1356
1357 /*
1358 ==========================================================
1359 Packet iterator interface
1360 ==========================================================
1361 */
opj_pi_create_decode(opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)1362 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
1363 opj_cp_t *p_cp,
1364 OPJ_UINT32 p_tile_no)
1365 {
1366 OPJ_UINT32 numcomps = p_image->numcomps;
1367
1368 /* loop */
1369 OPJ_UINT32 pino;
1370 OPJ_UINT32 compno, resno;
1371
1372 /* to store w, h, dx and dy fro all components and resolutions */
1373 OPJ_UINT32 * l_tmp_data;
1374 OPJ_UINT32 ** l_tmp_ptr;
1375
1376 /* encoding prameters to set */
1377 OPJ_UINT32 l_max_res;
1378 OPJ_UINT32 l_max_prec;
1379 OPJ_INT32 l_tx0, l_tx1, l_ty0, l_ty1;
1380 OPJ_UINT32 l_dx_min, l_dy_min;
1381 OPJ_UINT32 l_bound;
1382 OPJ_UINT32 l_step_p, l_step_c, l_step_r, l_step_l ;
1383 OPJ_UINT32 l_data_stride;
1384
1385 /* pointers */
1386 opj_pi_iterator_t *l_pi = 00;
1387 opj_tcp_t *l_tcp = 00;
1388 const opj_tccp_t *l_tccp = 00;
1389 opj_pi_comp_t *l_current_comp = 00;
1390 opj_image_comp_t * l_img_comp = 00;
1391 opj_pi_iterator_t * l_current_pi = 00;
1392 OPJ_UINT32 * l_encoding_value_ptr = 00;
1393
1394 /* preconditions in debug */
1395 assert(p_cp != 00);
1396 assert(p_image != 00);
1397 assert(p_tile_no < p_cp->tw * p_cp->th);
1398
1399 /* initializations */
1400 l_tcp = &p_cp->tcps[p_tile_no];
1401 l_bound = l_tcp->numpocs + 1;
1402
1403 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1404 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1405 l_data_stride * numcomps * sizeof(OPJ_UINT32));
1406 if
1407 (! l_tmp_data) {
1408 return 00;
1409 }
1410 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1411 numcomps * sizeof(OPJ_UINT32 *));
1412 if
1413 (! l_tmp_ptr) {
1414 opj_free(l_tmp_data);
1415 return 00;
1416 }
1417
1418 /* memory allocation for pi */
1419 l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1420 if (!l_pi) {
1421 opj_free(l_tmp_data);
1422 opj_free(l_tmp_ptr);
1423 return 00;
1424 }
1425
1426 l_encoding_value_ptr = l_tmp_data;
1427 /* update pointer array */
1428 for
1429 (compno = 0; compno < numcomps; ++compno) {
1430 l_tmp_ptr[compno] = l_encoding_value_ptr;
1431 l_encoding_value_ptr += l_data_stride;
1432 }
1433 /* get encoding parameters */
1434 opj_get_all_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1,
1435 &l_ty0, &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res, l_tmp_ptr);
1436
1437 /* step calculations */
1438 l_step_p = 1;
1439 l_step_c = l_max_prec * l_step_p;
1440 l_step_r = numcomps * l_step_c;
1441 l_step_l = l_max_res * l_step_r;
1442
1443 /* set values for first packet iterator */
1444 l_current_pi = l_pi;
1445
1446 /* memory allocation for include */
1447 /* prevent an integer overflow issue */
1448 /* 0 < l_tcp->numlayers < 65536 c.f. opj_j2k_read_cod in j2k.c */
1449 l_current_pi->include = 00;
1450 if (l_step_l <= (UINT_MAX / (l_tcp->numlayers + 1U))) {
1451 l_current_pi->include_size = (l_tcp->numlayers + 1U) * l_step_l;
1452 l_current_pi->include = (OPJ_INT16*) opj_calloc(
1453 l_current_pi->include_size, sizeof(OPJ_INT16));
1454 }
1455
1456 if (!l_current_pi->include) {
1457 opj_free(l_tmp_data);
1458 opj_free(l_tmp_ptr);
1459 opj_pi_destroy(l_pi, l_bound);
1460 return 00;
1461 }
1462
1463 /* special treatment for the first packet iterator */
1464 l_current_comp = l_current_pi->comps;
1465 l_img_comp = p_image->comps;
1466 l_tccp = l_tcp->tccps;
1467
1468 l_current_pi->tx0 = l_tx0;
1469 l_current_pi->ty0 = l_ty0;
1470 l_current_pi->tx1 = l_tx1;
1471 l_current_pi->ty1 = l_ty1;
1472
1473 /*l_current_pi->dx = l_img_comp->dx;*/
1474 /*l_current_pi->dy = l_img_comp->dy;*/
1475
1476 l_current_pi->step_p = l_step_p;
1477 l_current_pi->step_c = l_step_c;
1478 l_current_pi->step_r = l_step_r;
1479 l_current_pi->step_l = l_step_l;
1480
1481 /* allocation for components and number of components has already been calculated by opj_pi_create */
1482 for
1483 (compno = 0; compno < numcomps; ++compno) {
1484 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1485 l_encoding_value_ptr = l_tmp_ptr[compno];
1486
1487 l_current_comp->dx = l_img_comp->dx;
1488 l_current_comp->dy = l_img_comp->dy;
1489 /* resolutions have already been initialized */
1490 for
1491 (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1492 l_res->pdx = *(l_encoding_value_ptr++);
1493 l_res->pdy = *(l_encoding_value_ptr++);
1494 l_res->pw = *(l_encoding_value_ptr++);
1495 l_res->ph = *(l_encoding_value_ptr++);
1496 ++l_res;
1497 }
1498 ++l_current_comp;
1499 ++l_img_comp;
1500 ++l_tccp;
1501 }
1502 ++l_current_pi;
1503
1504 for (pino = 1 ; pino < l_bound ; ++pino) {
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 /*l_current_pi->dx = l_dx_min;*/
1514 /*l_current_pi->dy = l_dy_min;*/
1515 l_current_pi->step_p = l_step_p;
1516 l_current_pi->step_c = l_step_c;
1517 l_current_pi->step_r = l_step_r;
1518 l_current_pi->step_l = l_step_l;
1519
1520 /* allocation for components and number of components has already been calculated by opj_pi_create */
1521 for
1522 (compno = 0; compno < numcomps; ++compno) {
1523 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1524 l_encoding_value_ptr = l_tmp_ptr[compno];
1525
1526 l_current_comp->dx = l_img_comp->dx;
1527 l_current_comp->dy = l_img_comp->dy;
1528 /* resolutions have already been initialized */
1529 for
1530 (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1531 l_res->pdx = *(l_encoding_value_ptr++);
1532 l_res->pdy = *(l_encoding_value_ptr++);
1533 l_res->pw = *(l_encoding_value_ptr++);
1534 l_res->ph = *(l_encoding_value_ptr++);
1535 ++l_res;
1536 }
1537 ++l_current_comp;
1538 ++l_img_comp;
1539 ++l_tccp;
1540 }
1541 /* special treatment*/
1542 l_current_pi->include = (l_current_pi - 1)->include;
1543 l_current_pi->include_size = (l_current_pi - 1)->include_size;
1544 ++l_current_pi;
1545 }
1546 opj_free(l_tmp_data);
1547 l_tmp_data = 00;
1548 opj_free(l_tmp_ptr);
1549 l_tmp_ptr = 00;
1550 if
1551 (l_tcp->POC) {
1552 opj_pi_update_decode_poc(l_pi, l_tcp, l_max_prec, l_max_res);
1553 } else {
1554 opj_pi_update_decode_not_poc(l_pi, l_tcp, l_max_prec, l_max_res);
1555 }
1556 return l_pi;
1557 }
1558
1559
1560
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)1561 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
1562 opj_cp_t *p_cp,
1563 OPJ_UINT32 p_tile_no,
1564 J2K_T2_MODE p_t2_mode)
1565 {
1566 OPJ_UINT32 numcomps = p_image->numcomps;
1567
1568 /* loop*/
1569 OPJ_UINT32 pino;
1570 OPJ_UINT32 compno, resno;
1571
1572 /* to store w, h, dx and dy fro all components and resolutions*/
1573 OPJ_UINT32 * l_tmp_data;
1574 OPJ_UINT32 ** l_tmp_ptr;
1575
1576 /* encoding prameters to set*/
1577 OPJ_UINT32 l_max_res;
1578 OPJ_UINT32 l_max_prec;
1579 OPJ_INT32 l_tx0, l_tx1, l_ty0, l_ty1;
1580 OPJ_UINT32 l_dx_min, l_dy_min;
1581 OPJ_UINT32 l_bound;
1582 OPJ_UINT32 l_step_p, l_step_c, l_step_r, l_step_l ;
1583 OPJ_UINT32 l_data_stride;
1584
1585 /* pointers*/
1586 opj_pi_iterator_t *l_pi = 00;
1587 opj_tcp_t *l_tcp = 00;
1588 const opj_tccp_t *l_tccp = 00;
1589 opj_pi_comp_t *l_current_comp = 00;
1590 opj_image_comp_t * l_img_comp = 00;
1591 opj_pi_iterator_t * l_current_pi = 00;
1592 OPJ_UINT32 * l_encoding_value_ptr = 00;
1593
1594 /* preconditions in debug*/
1595 assert(p_cp != 00);
1596 assert(p_image != 00);
1597 assert(p_tile_no < p_cp->tw * p_cp->th);
1598
1599 /* initializations*/
1600 l_tcp = &p_cp->tcps[p_tile_no];
1601 l_bound = l_tcp->numpocs + 1;
1602
1603 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1604 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1605 l_data_stride * numcomps * sizeof(OPJ_UINT32));
1606 if (! l_tmp_data) {
1607 return 00;
1608 }
1609
1610 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1611 numcomps * sizeof(OPJ_UINT32 *));
1612 if (! l_tmp_ptr) {
1613 opj_free(l_tmp_data);
1614 return 00;
1615 }
1616
1617 /* memory allocation for pi*/
1618 l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1619 if (!l_pi) {
1620 opj_free(l_tmp_data);
1621 opj_free(l_tmp_ptr);
1622 return 00;
1623 }
1624
1625 l_encoding_value_ptr = l_tmp_data;
1626 /* update pointer array*/
1627 for (compno = 0; compno < numcomps; ++compno) {
1628 l_tmp_ptr[compno] = l_encoding_value_ptr;
1629 l_encoding_value_ptr += l_data_stride;
1630 }
1631
1632 /* get encoding parameters*/
1633 opj_get_all_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1,
1634 &l_ty0, &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res, l_tmp_ptr);
1635
1636 /* step calculations*/
1637 l_step_p = 1;
1638 l_step_c = l_max_prec * l_step_p;
1639 l_step_r = numcomps * l_step_c;
1640 l_step_l = l_max_res * l_step_r;
1641
1642 /* set values for first packet iterator*/
1643 l_pi->tp_on = (OPJ_BYTE)p_cp->m_specific_param.m_enc.m_tp_on;
1644 l_current_pi = l_pi;
1645
1646 /* memory allocation for include*/
1647 l_current_pi->include_size = l_tcp->numlayers * l_step_l;
1648 l_current_pi->include = (OPJ_INT16*) opj_calloc(l_current_pi->include_size,
1649 sizeof(OPJ_INT16));
1650 if (!l_current_pi->include) {
1651 opj_free(l_tmp_data);
1652 opj_free(l_tmp_ptr);
1653 opj_pi_destroy(l_pi, l_bound);
1654 return 00;
1655 }
1656
1657 /* special treatment for the first packet iterator*/
1658 l_current_comp = l_current_pi->comps;
1659 l_img_comp = p_image->comps;
1660 l_tccp = l_tcp->tccps;
1661 l_current_pi->tx0 = l_tx0;
1662 l_current_pi->ty0 = l_ty0;
1663 l_current_pi->tx1 = l_tx1;
1664 l_current_pi->ty1 = l_ty1;
1665 l_current_pi->dx = l_dx_min;
1666 l_current_pi->dy = l_dy_min;
1667 l_current_pi->step_p = l_step_p;
1668 l_current_pi->step_c = l_step_c;
1669 l_current_pi->step_r = l_step_r;
1670 l_current_pi->step_l = l_step_l;
1671
1672 /* allocation for components and number of components has already been calculated by opj_pi_create */
1673 for (compno = 0; compno < numcomps; ++compno) {
1674 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1675 l_encoding_value_ptr = l_tmp_ptr[compno];
1676
1677 l_current_comp->dx = l_img_comp->dx;
1678 l_current_comp->dy = l_img_comp->dy;
1679
1680 /* resolutions have already been initialized */
1681 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1682 l_res->pdx = *(l_encoding_value_ptr++);
1683 l_res->pdy = *(l_encoding_value_ptr++);
1684 l_res->pw = *(l_encoding_value_ptr++);
1685 l_res->ph = *(l_encoding_value_ptr++);
1686 ++l_res;
1687 }
1688
1689 ++l_current_comp;
1690 ++l_img_comp;
1691 ++l_tccp;
1692 }
1693 ++l_current_pi;
1694
1695 for (pino = 1 ; pino < l_bound ; ++pino) {
1696 l_current_comp = l_current_pi->comps;
1697 l_img_comp = p_image->comps;
1698 l_tccp = l_tcp->tccps;
1699
1700 l_current_pi->tx0 = l_tx0;
1701 l_current_pi->ty0 = l_ty0;
1702 l_current_pi->tx1 = l_tx1;
1703 l_current_pi->ty1 = l_ty1;
1704 l_current_pi->dx = l_dx_min;
1705 l_current_pi->dy = l_dy_min;
1706 l_current_pi->step_p = l_step_p;
1707 l_current_pi->step_c = l_step_c;
1708 l_current_pi->step_r = l_step_r;
1709 l_current_pi->step_l = l_step_l;
1710
1711 /* allocation for components and number of components has already been calculated by opj_pi_create */
1712 for (compno = 0; compno < numcomps; ++compno) {
1713 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1714 l_encoding_value_ptr = l_tmp_ptr[compno];
1715
1716 l_current_comp->dx = l_img_comp->dx;
1717 l_current_comp->dy = l_img_comp->dy;
1718 /* resolutions have already been initialized */
1719 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1720 l_res->pdx = *(l_encoding_value_ptr++);
1721 l_res->pdy = *(l_encoding_value_ptr++);
1722 l_res->pw = *(l_encoding_value_ptr++);
1723 l_res->ph = *(l_encoding_value_ptr++);
1724 ++l_res;
1725 }
1726 ++l_current_comp;
1727 ++l_img_comp;
1728 ++l_tccp;
1729 }
1730
1731 /* special treatment*/
1732 l_current_pi->include = (l_current_pi - 1)->include;
1733 l_current_pi->include_size = (l_current_pi - 1)->include_size;
1734 ++l_current_pi;
1735 }
1736
1737 opj_free(l_tmp_data);
1738 l_tmp_data = 00;
1739 opj_free(l_tmp_ptr);
1740 l_tmp_ptr = 00;
1741
1742 if (l_tcp->POC && (OPJ_IS_CINEMA(p_cp->rsiz) || p_t2_mode == FINAL_PASS)) {
1743 opj_pi_update_encode_poc_and_final(p_cp, p_tile_no, l_tx0, l_tx1, l_ty0, l_ty1,
1744 l_max_prec, l_max_res, l_dx_min, l_dy_min);
1745 } else {
1746 opj_pi_update_encode_not_poc(p_cp, numcomps, p_tile_no, l_tx0, l_tx1,
1747 l_ty0, l_ty1, l_max_prec, l_max_res, l_dx_min, l_dy_min);
1748 }
1749
1750 return l_pi;
1751 }
1752
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)1753 void opj_pi_create_encode(opj_pi_iterator_t *pi,
1754 opj_cp_t *cp,
1755 OPJ_UINT32 tileno,
1756 OPJ_UINT32 pino,
1757 OPJ_UINT32 tpnum,
1758 OPJ_INT32 tppos,
1759 J2K_T2_MODE t2_mode)
1760 {
1761 const OPJ_CHAR *prog;
1762 OPJ_INT32 i;
1763 OPJ_UINT32 incr_top = 1, resetX = 0;
1764 opj_tcp_t *tcps = &cp->tcps[tileno];
1765 opj_poc_t *tcp = &tcps->pocs[pino];
1766
1767 prog = opj_j2k_convert_progression_order(tcp->prg);
1768
1769 pi[pino].first = 1;
1770 pi[pino].poc.prg = tcp->prg;
1771
1772 if (!(cp->m_specific_param.m_enc.m_tp_on && ((!OPJ_IS_CINEMA(cp->rsiz) &&
1773 (t2_mode == FINAL_PASS)) || OPJ_IS_CINEMA(cp->rsiz)))) {
1774 pi[pino].poc.resno0 = tcp->resS;
1775 pi[pino].poc.resno1 = tcp->resE;
1776 pi[pino].poc.compno0 = tcp->compS;
1777 pi[pino].poc.compno1 = tcp->compE;
1778 pi[pino].poc.layno0 = tcp->layS;
1779 pi[pino].poc.layno1 = tcp->layE;
1780 pi[pino].poc.precno0 = tcp->prcS;
1781 pi[pino].poc.precno1 = tcp->prcE;
1782 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1783 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1784 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1785 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1786 } else {
1787 for (i = tppos + 1; i < 4; i++) {
1788 switch (prog[i]) {
1789 case 'R':
1790 pi[pino].poc.resno0 = tcp->resS;
1791 pi[pino].poc.resno1 = tcp->resE;
1792 break;
1793 case 'C':
1794 pi[pino].poc.compno0 = tcp->compS;
1795 pi[pino].poc.compno1 = tcp->compE;
1796 break;
1797 case 'L':
1798 pi[pino].poc.layno0 = tcp->layS;
1799 pi[pino].poc.layno1 = tcp->layE;
1800 break;
1801 case 'P':
1802 switch (tcp->prg) {
1803 case OPJ_LRCP:
1804 case OPJ_RLCP:
1805 pi[pino].poc.precno0 = tcp->prcS;
1806 pi[pino].poc.precno1 = tcp->prcE;
1807 break;
1808 default:
1809 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1810 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1811 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1812 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1813 break;
1814 }
1815 break;
1816 }
1817 }
1818
1819 if (tpnum == 0) {
1820 for (i = tppos; i >= 0; i--) {
1821 switch (prog[i]) {
1822 case 'C':
1823 tcp->comp_t = tcp->compS;
1824 pi[pino].poc.compno0 = tcp->comp_t;
1825 pi[pino].poc.compno1 = tcp->comp_t + 1;
1826 tcp->comp_t += 1;
1827 break;
1828 case 'R':
1829 tcp->res_t = tcp->resS;
1830 pi[pino].poc.resno0 = tcp->res_t;
1831 pi[pino].poc.resno1 = tcp->res_t + 1;
1832 tcp->res_t += 1;
1833 break;
1834 case 'L':
1835 tcp->lay_t = tcp->layS;
1836 pi[pino].poc.layno0 = tcp->lay_t;
1837 pi[pino].poc.layno1 = tcp->lay_t + 1;
1838 tcp->lay_t += 1;
1839 break;
1840 case 'P':
1841 switch (tcp->prg) {
1842 case OPJ_LRCP:
1843 case OPJ_RLCP:
1844 tcp->prc_t = tcp->prcS;
1845 pi[pino].poc.precno0 = tcp->prc_t;
1846 pi[pino].poc.precno1 = tcp->prc_t + 1;
1847 tcp->prc_t += 1;
1848 break;
1849 default:
1850 tcp->tx0_t = tcp->txS;
1851 tcp->ty0_t = tcp->tyS;
1852 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1853 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
1854 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1855 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1856 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1857 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1858 break;
1859 }
1860 break;
1861 }
1862 }
1863 incr_top = 1;
1864 } else {
1865 for (i = tppos; i >= 0; i--) {
1866 switch (prog[i]) {
1867 case 'C':
1868 pi[pino].poc.compno0 = tcp->comp_t - 1;
1869 pi[pino].poc.compno1 = tcp->comp_t;
1870 break;
1871 case 'R':
1872 pi[pino].poc.resno0 = tcp->res_t - 1;
1873 pi[pino].poc.resno1 = tcp->res_t;
1874 break;
1875 case 'L':
1876 pi[pino].poc.layno0 = tcp->lay_t - 1;
1877 pi[pino].poc.layno1 = tcp->lay_t;
1878 break;
1879 case 'P':
1880 switch (tcp->prg) {
1881 case OPJ_LRCP:
1882 case OPJ_RLCP:
1883 pi[pino].poc.precno0 = tcp->prc_t - 1;
1884 pi[pino].poc.precno1 = tcp->prc_t;
1885 break;
1886 default:
1887 pi[pino].poc.tx0 = (OPJ_INT32)(tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx));
1888 pi[pino].poc.tx1 = (OPJ_INT32)tcp->tx0_t ;
1889 pi[pino].poc.ty0 = (OPJ_INT32)(tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy));
1890 pi[pino].poc.ty1 = (OPJ_INT32)tcp->ty0_t ;
1891 break;
1892 }
1893 break;
1894 }
1895 if (incr_top == 1) {
1896 switch (prog[i]) {
1897 case 'R':
1898 if (tcp->res_t == tcp->resE) {
1899 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1900 tcp->res_t = tcp->resS;
1901 pi[pino].poc.resno0 = tcp->res_t;
1902 pi[pino].poc.resno1 = tcp->res_t + 1;
1903 tcp->res_t += 1;
1904 incr_top = 1;
1905 } else {
1906 incr_top = 0;
1907 }
1908 } else {
1909 pi[pino].poc.resno0 = tcp->res_t;
1910 pi[pino].poc.resno1 = tcp->res_t + 1;
1911 tcp->res_t += 1;
1912 incr_top = 0;
1913 }
1914 break;
1915 case 'C':
1916 if (tcp->comp_t == tcp->compE) {
1917 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1918 tcp->comp_t = tcp->compS;
1919 pi[pino].poc.compno0 = tcp->comp_t;
1920 pi[pino].poc.compno1 = tcp->comp_t + 1;
1921 tcp->comp_t += 1;
1922 incr_top = 1;
1923 } else {
1924 incr_top = 0;
1925 }
1926 } else {
1927 pi[pino].poc.compno0 = tcp->comp_t;
1928 pi[pino].poc.compno1 = tcp->comp_t + 1;
1929 tcp->comp_t += 1;
1930 incr_top = 0;
1931 }
1932 break;
1933 case 'L':
1934 if (tcp->lay_t == tcp->layE) {
1935 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1936 tcp->lay_t = tcp->layS;
1937 pi[pino].poc.layno0 = tcp->lay_t;
1938 pi[pino].poc.layno1 = tcp->lay_t + 1;
1939 tcp->lay_t += 1;
1940 incr_top = 1;
1941 } else {
1942 incr_top = 0;
1943 }
1944 } else {
1945 pi[pino].poc.layno0 = tcp->lay_t;
1946 pi[pino].poc.layno1 = tcp->lay_t + 1;
1947 tcp->lay_t += 1;
1948 incr_top = 0;
1949 }
1950 break;
1951 case 'P':
1952 switch (tcp->prg) {
1953 case OPJ_LRCP:
1954 case OPJ_RLCP:
1955 if (tcp->prc_t == tcp->prcE) {
1956 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1957 tcp->prc_t = tcp->prcS;
1958 pi[pino].poc.precno0 = tcp->prc_t;
1959 pi[pino].poc.precno1 = tcp->prc_t + 1;
1960 tcp->prc_t += 1;
1961 incr_top = 1;
1962 } else {
1963 incr_top = 0;
1964 }
1965 } else {
1966 pi[pino].poc.precno0 = tcp->prc_t;
1967 pi[pino].poc.precno1 = tcp->prc_t + 1;
1968 tcp->prc_t += 1;
1969 incr_top = 0;
1970 }
1971 break;
1972 default:
1973 if (tcp->tx0_t >= tcp->txE) {
1974 if (tcp->ty0_t >= tcp->tyE) {
1975 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1976 tcp->ty0_t = tcp->tyS;
1977 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1978 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1979 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1980 incr_top = 1;
1981 resetX = 1;
1982 } else {
1983 incr_top = 0;
1984 resetX = 0;
1985 }
1986 } else {
1987 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1988 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1989 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1990 incr_top = 0;
1991 resetX = 1;
1992 }
1993 if (resetX == 1) {
1994 tcp->tx0_t = tcp->txS;
1995 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1996 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
1997 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1998 }
1999 } else {
2000 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
2001 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
2002 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
2003 incr_top = 0;
2004 }
2005 break;
2006 }
2007 break;
2008 }
2009 }
2010 }
2011 }
2012 }
2013 }
2014
opj_pi_destroy(opj_pi_iterator_t * p_pi,OPJ_UINT32 p_nb_elements)2015 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
2016 OPJ_UINT32 p_nb_elements)
2017 {
2018 OPJ_UINT32 compno, pino;
2019 opj_pi_iterator_t *l_current_pi = p_pi;
2020 if (p_pi) {
2021 if (p_pi->include) {
2022 opj_free(p_pi->include);
2023 p_pi->include = 00;
2024 }
2025 for (pino = 0; pino < p_nb_elements; ++pino) {
2026 if (l_current_pi->comps) {
2027 opj_pi_comp_t *l_current_component = l_current_pi->comps;
2028 for (compno = 0; compno < l_current_pi->numcomps; compno++) {
2029 if (l_current_component->resolutions) {
2030 opj_free(l_current_component->resolutions);
2031 l_current_component->resolutions = 00;
2032 }
2033
2034 ++l_current_component;
2035 }
2036 opj_free(l_current_pi->comps);
2037 l_current_pi->comps = 0;
2038 }
2039 ++l_current_pi;
2040 }
2041 opj_free(p_pi);
2042 }
2043 }
2044
2045
2046
opj_pi_update_encoding_parameters(const opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)2047 void opj_pi_update_encoding_parameters(const opj_image_t *p_image,
2048 opj_cp_t *p_cp,
2049 OPJ_UINT32 p_tile_no)
2050 {
2051 /* encoding parameters to set */
2052 OPJ_UINT32 l_max_res;
2053 OPJ_UINT32 l_max_prec;
2054 OPJ_INT32 l_tx0, l_tx1, l_ty0, l_ty1;
2055 OPJ_UINT32 l_dx_min, l_dy_min;
2056
2057 /* pointers */
2058 opj_tcp_t *l_tcp = 00;
2059
2060 /* preconditions */
2061 assert(p_cp != 00);
2062 assert(p_image != 00);
2063 assert(p_tile_no < p_cp->tw * p_cp->th);
2064
2065 l_tcp = &(p_cp->tcps[p_tile_no]);
2066
2067 /* get encoding parameters */
2068 opj_get_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1, &l_ty0,
2069 &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res);
2070
2071 if (l_tcp->POC) {
2072 opj_pi_update_encode_poc_and_final(p_cp, p_tile_no, l_tx0, l_tx1, l_ty0, l_ty1,
2073 l_max_prec, l_max_res, l_dx_min, l_dy_min);
2074 } else {
2075 opj_pi_update_encode_not_poc(p_cp, p_image->numcomps, p_tile_no, l_tx0, l_tx1,
2076 l_ty0, l_ty1, l_max_prec, l_max_res, l_dx_min, l_dy_min);
2077 }
2078 }
2079
opj_pi_next(opj_pi_iterator_t * pi)2080 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi)
2081 {
2082 switch (pi->poc.prg) {
2083 case OPJ_LRCP:
2084 return opj_pi_next_lrcp(pi);
2085 case OPJ_RLCP:
2086 return opj_pi_next_rlcp(pi);
2087 case OPJ_RPCL:
2088 return opj_pi_next_rpcl(pi);
2089 case OPJ_PCRL:
2090 return opj_pi_next_pcrl(pi);
2091 case OPJ_CPRL:
2092 return opj_pi_next_cprl(pi);
2093 case OPJ_PROG_UNKNOWN:
2094 return OPJ_FALSE;
2095 }
2096
2097 return OPJ_FALSE;
2098 }
2099