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 /* preconditions */
761 assert(p_cp != 00);
762 assert(p_image != 00);
763 assert(p_tileno < p_cp->tw * p_cp->th);
764
765 /* initializations */
766 l_tcp = &p_cp->tcps [p_tileno];
767 l_img_comp = p_image->comps;
768 l_tccp = l_tcp->tccps;
769
770 /* here calculation of tx0, tx1, ty0, ty1, maxprec, dx and dy */
771 p = p_tileno % p_cp->tw;
772 q = p_tileno / p_cp->tw;
773
774 /* find extent of tile */
775 *p_tx0 = opj_int_max((OPJ_INT32)(p_cp->tx0 + p * p_cp->tdx),
776 (OPJ_INT32)p_image->x0);
777 *p_tx1 = opj_int_min((OPJ_INT32)(p_cp->tx0 + (p + 1) * p_cp->tdx),
778 (OPJ_INT32)p_image->x1);
779 *p_ty0 = opj_int_max((OPJ_INT32)(p_cp->ty0 + q * p_cp->tdy),
780 (OPJ_INT32)p_image->y0);
781 *p_ty1 = opj_int_min((OPJ_INT32)(p_cp->ty0 + (q + 1) * p_cp->tdy),
782 (OPJ_INT32)p_image->y1);
783
784 /* max precision is 0 (can only grow) */
785 *p_max_prec = 0;
786 *p_max_res = 0;
787
788 /* take the largest value for dx_min and dy_min */
789 *p_dx_min = 0x7fffffff;
790 *p_dy_min = 0x7fffffff;
791
792 for (compno = 0; compno < p_image->numcomps; ++compno) {
793 /* arithmetic variables to calculate */
794 OPJ_UINT32 l_level_no;
795 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
796 OPJ_INT32 l_px0, l_py0, l_px1, py1;
797 OPJ_UINT32 l_pdx, l_pdy;
798 OPJ_UINT32 l_pw, l_ph;
799 OPJ_UINT32 l_product;
800 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
801
802 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
803 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
804 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
805 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
806
807 if (l_tccp->numresolutions > *p_max_res) {
808 *p_max_res = l_tccp->numresolutions;
809 }
810
811 /* use custom size for precincts */
812 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
813 OPJ_UINT32 l_dx, l_dy;
814
815 /* precinct width and height */
816 l_pdx = l_tccp->prcw[resno];
817 l_pdy = l_tccp->prch[resno];
818
819 l_dx = l_img_comp->dx * (1u << (l_pdx + l_tccp->numresolutions - 1 - resno));
820 l_dy = l_img_comp->dy * (1u << (l_pdy + l_tccp->numresolutions - 1 - resno));
821
822 /* take the minimum size for dx for each comp and resolution */
823 *p_dx_min = opj_uint_min(*p_dx_min, l_dx);
824 *p_dy_min = opj_uint_min(*p_dy_min, l_dy);
825
826 /* various calculations of extents */
827 l_level_no = l_tccp->numresolutions - 1 - resno;
828
829 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
830 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
831 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
832 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
833
834 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
835 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
836 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
837
838 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
839
840 l_pw = (l_rx0 == l_rx1) ? 0 : (OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
841 l_ph = (l_ry0 == l_ry1) ? 0 : (OPJ_UINT32)((py1 - l_py0) >> l_pdy);
842
843 l_product = l_pw * l_ph;
844
845 /* update precision */
846 if (l_product > *p_max_prec) {
847 *p_max_prec = l_product;
848 }
849 }
850 ++l_img_comp;
851 ++l_tccp;
852 }
853 }
854
855
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)856 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
857 const opj_cp_t *p_cp,
858 OPJ_UINT32 tileno,
859 OPJ_INT32 * p_tx0,
860 OPJ_INT32 * p_tx1,
861 OPJ_INT32 * p_ty0,
862 OPJ_INT32 * p_ty1,
863 OPJ_UINT32 * p_dx_min,
864 OPJ_UINT32 * p_dy_min,
865 OPJ_UINT32 * p_max_prec,
866 OPJ_UINT32 * p_max_res,
867 OPJ_UINT32 ** p_resolutions)
868 {
869 /* loop*/
870 OPJ_UINT32 compno, resno;
871
872 /* pointers*/
873 const opj_tcp_t *tcp = 00;
874 const opj_tccp_t * l_tccp = 00;
875 const opj_image_comp_t * l_img_comp = 00;
876
877 /* to store l_dx, l_dy, w and h for each resolution and component.*/
878 OPJ_UINT32 * lResolutionPtr;
879
880 /* position in x and y of tile*/
881 OPJ_UINT32 p, q;
882
883 /* non-corrected (in regard to image offset) tile offset */
884 OPJ_UINT32 l_tx0, l_ty0;
885
886 /* preconditions in debug*/
887 assert(p_cp != 00);
888 assert(p_image != 00);
889 assert(tileno < p_cp->tw * p_cp->th);
890
891 /* initializations*/
892 tcp = &p_cp->tcps [tileno];
893 l_tccp = tcp->tccps;
894 l_img_comp = p_image->comps;
895
896 /* position in x and y of tile*/
897 p = tileno % p_cp->tw;
898 q = tileno / p_cp->tw;
899
900 /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
901 l_tx0 = p_cp->tx0 + p *
902 p_cp->tdx; /* can't be greater than p_image->x1 so won't overflow */
903 *p_tx0 = (OPJ_INT32)opj_uint_max(l_tx0, p_image->x0);
904 *p_tx1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
905 l_ty0 = p_cp->ty0 + q *
906 p_cp->tdy; /* can't be greater than p_image->y1 so won't overflow */
907 *p_ty0 = (OPJ_INT32)opj_uint_max(l_ty0, p_image->y0);
908 *p_ty1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
909
910 /* max precision and resolution is 0 (can only grow)*/
911 *p_max_prec = 0;
912 *p_max_res = 0;
913
914 /* take the largest value for dx_min and dy_min*/
915 *p_dx_min = 0x7fffffff;
916 *p_dy_min = 0x7fffffff;
917
918 for (compno = 0; compno < p_image->numcomps; ++compno) {
919 /* aritmetic variables to calculate*/
920 OPJ_UINT32 l_level_no;
921 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
922 OPJ_INT32 l_px0, l_py0, l_px1, py1;
923 OPJ_UINT32 l_product;
924 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
925 OPJ_UINT32 l_pdx, l_pdy, l_pw, l_ph;
926
927 lResolutionPtr = p_resolutions[compno];
928
929 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
930 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
931 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
932 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
933
934 if (l_tccp->numresolutions > *p_max_res) {
935 *p_max_res = l_tccp->numresolutions;
936 }
937
938 /* use custom size for precincts*/
939 l_level_no = l_tccp->numresolutions;
940 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
941 OPJ_UINT32 l_dx, l_dy;
942
943 --l_level_no;
944
945 /* precinct width and height*/
946 l_pdx = l_tccp->prcw[resno];
947 l_pdy = l_tccp->prch[resno];
948 *lResolutionPtr++ = l_pdx;
949 *lResolutionPtr++ = l_pdy;
950 if (l_pdx + l_level_no < 32 &&
951 l_img_comp->dx <= UINT_MAX / (1u << (l_pdx + l_level_no))) {
952 l_dx = l_img_comp->dx * (1u << (l_pdx + l_level_no));
953 /* take the minimum size for l_dx for each comp and resolution*/
954 *p_dx_min = (OPJ_UINT32)opj_int_min((OPJ_INT32) * p_dx_min, (OPJ_INT32)l_dx);
955 }
956 if (l_pdy + l_level_no < 32 &&
957 l_img_comp->dy <= UINT_MAX / (1u << (l_pdy + l_level_no))) {
958 l_dy = l_img_comp->dy * (1u << (l_pdy + l_level_no));
959 *p_dy_min = (OPJ_UINT32)opj_int_min((OPJ_INT32) * p_dy_min, (OPJ_INT32)l_dy);
960 }
961
962 /* various calculations of extents*/
963 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
964 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
965 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
966 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
967 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
968 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
969 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
970 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
971 l_pw = (l_rx0 == l_rx1) ? 0 : (OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
972 l_ph = (l_ry0 == l_ry1) ? 0 : (OPJ_UINT32)((py1 - l_py0) >> l_pdy);
973 *lResolutionPtr++ = l_pw;
974 *lResolutionPtr++ = l_ph;
975 l_product = l_pw * l_ph;
976
977 /* update precision*/
978 if (l_product > *p_max_prec) {
979 *p_max_prec = l_product;
980 }
981
982 }
983 ++l_tccp;
984 ++l_img_comp;
985 }
986 }
987
opj_pi_create(const opj_image_t * image,const opj_cp_t * cp,OPJ_UINT32 tileno)988 static opj_pi_iterator_t * opj_pi_create(const opj_image_t *image,
989 const opj_cp_t *cp,
990 OPJ_UINT32 tileno)
991 {
992 /* loop*/
993 OPJ_UINT32 pino, compno;
994 /* number of poc in the p_pi*/
995 OPJ_UINT32 l_poc_bound;
996
997 /* pointers to tile coding parameters and components.*/
998 opj_pi_iterator_t *l_pi = 00;
999 opj_tcp_t *tcp = 00;
1000 const opj_tccp_t *tccp = 00;
1001
1002 /* current packet iterator being allocated*/
1003 opj_pi_iterator_t *l_current_pi = 00;
1004
1005 /* preconditions in debug*/
1006 assert(cp != 00);
1007 assert(image != 00);
1008 assert(tileno < cp->tw * cp->th);
1009
1010 /* initializations*/
1011 tcp = &cp->tcps[tileno];
1012 l_poc_bound = tcp->numpocs + 1;
1013
1014 /* memory allocations*/
1015 l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound),
1016 sizeof(opj_pi_iterator_t));
1017 if (!l_pi) {
1018 return NULL;
1019 }
1020
1021 l_current_pi = l_pi;
1022 for (pino = 0; pino < l_poc_bound ; ++pino) {
1023
1024 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps,
1025 sizeof(opj_pi_comp_t));
1026 if (! l_current_pi->comps) {
1027 opj_pi_destroy(l_pi, l_poc_bound);
1028 return NULL;
1029 }
1030
1031 l_current_pi->numcomps = image->numcomps;
1032
1033 for (compno = 0; compno < image->numcomps; ++compno) {
1034 opj_pi_comp_t *comp = &l_current_pi->comps[compno];
1035
1036 tccp = &tcp->tccps[compno];
1037
1038 comp->resolutions = (opj_pi_resolution_t*) opj_calloc(tccp->numresolutions,
1039 sizeof(opj_pi_resolution_t));
1040 if (!comp->resolutions) {
1041 opj_pi_destroy(l_pi, l_poc_bound);
1042 return 00;
1043 }
1044
1045 comp->numresolutions = tccp->numresolutions;
1046 }
1047 ++l_current_pi;
1048 }
1049 return l_pi;
1050 }
1051
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)1052 static void opj_pi_update_encode_poc_and_final(opj_cp_t *p_cp,
1053 OPJ_UINT32 p_tileno,
1054 OPJ_INT32 p_tx0,
1055 OPJ_INT32 p_tx1,
1056 OPJ_INT32 p_ty0,
1057 OPJ_INT32 p_ty1,
1058 OPJ_UINT32 p_max_prec,
1059 OPJ_UINT32 p_max_res,
1060 OPJ_UINT32 p_dx_min,
1061 OPJ_UINT32 p_dy_min)
1062 {
1063 /* loop*/
1064 OPJ_UINT32 pino;
1065 /* tile coding parameter*/
1066 opj_tcp_t *l_tcp = 00;
1067 /* current poc being updated*/
1068 opj_poc_t * l_current_poc = 00;
1069
1070 /* number of pocs*/
1071 OPJ_UINT32 l_poc_bound;
1072
1073 OPJ_ARG_NOT_USED(p_max_res);
1074
1075 /* preconditions in debug*/
1076 assert(p_cp != 00);
1077 assert(p_tileno < p_cp->tw * p_cp->th);
1078
1079 /* initializations*/
1080 l_tcp = &p_cp->tcps [p_tileno];
1081 /* number of iterations in the loop */
1082 l_poc_bound = l_tcp->numpocs + 1;
1083
1084 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
1085 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
1086 l_current_poc = l_tcp->pocs;
1087
1088 l_current_poc->compS = l_current_poc->compno0;
1089 l_current_poc->compE = l_current_poc->compno1;
1090 l_current_poc->resS = l_current_poc->resno0;
1091 l_current_poc->resE = l_current_poc->resno1;
1092 l_current_poc->layE = l_current_poc->layno1;
1093
1094 /* special treatment for the first element*/
1095 l_current_poc->layS = 0;
1096 l_current_poc->prg = l_current_poc->prg1;
1097 l_current_poc->prcS = 0;
1098
1099 l_current_poc->prcE = p_max_prec;
1100 l_current_poc->txS = (OPJ_UINT32)p_tx0;
1101 l_current_poc->txE = (OPJ_UINT32)p_tx1;
1102 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
1103 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
1104 l_current_poc->dx = p_dx_min;
1105 l_current_poc->dy = p_dy_min;
1106
1107 ++ l_current_poc;
1108 for (pino = 1; pino < l_poc_bound ; ++pino) {
1109 l_current_poc->compS = l_current_poc->compno0;
1110 l_current_poc->compE = l_current_poc->compno1;
1111 l_current_poc->resS = l_current_poc->resno0;
1112 l_current_poc->resE = l_current_poc->resno1;
1113 l_current_poc->layE = l_current_poc->layno1;
1114 l_current_poc->prg = l_current_poc->prg1;
1115 l_current_poc->prcS = 0;
1116 /* special treatment here different from the first element*/
1117 l_current_poc->layS = (l_current_poc->layE > (l_current_poc - 1)->layE) ?
1118 l_current_poc->layE : 0;
1119
1120 l_current_poc->prcE = p_max_prec;
1121 l_current_poc->txS = (OPJ_UINT32)p_tx0;
1122 l_current_poc->txE = (OPJ_UINT32)p_tx1;
1123 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
1124 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
1125 l_current_poc->dx = p_dx_min;
1126 l_current_poc->dy = p_dy_min;
1127 ++ l_current_poc;
1128 }
1129 }
1130
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)1131 static void opj_pi_update_encode_not_poc(opj_cp_t *p_cp,
1132 OPJ_UINT32 p_num_comps,
1133 OPJ_UINT32 p_tileno,
1134 OPJ_INT32 p_tx0,
1135 OPJ_INT32 p_tx1,
1136 OPJ_INT32 p_ty0,
1137 OPJ_INT32 p_ty1,
1138 OPJ_UINT32 p_max_prec,
1139 OPJ_UINT32 p_max_res,
1140 OPJ_UINT32 p_dx_min,
1141 OPJ_UINT32 p_dy_min)
1142 {
1143 /* loop*/
1144 OPJ_UINT32 pino;
1145 /* tile coding parameter*/
1146 opj_tcp_t *l_tcp = 00;
1147 /* current poc being updated*/
1148 opj_poc_t * l_current_poc = 00;
1149 /* number of pocs*/
1150 OPJ_UINT32 l_poc_bound;
1151
1152 /* preconditions in debug*/
1153 assert(p_cp != 00);
1154 assert(p_tileno < p_cp->tw * p_cp->th);
1155
1156 /* initializations*/
1157 l_tcp = &p_cp->tcps [p_tileno];
1158
1159 /* number of iterations in the loop */
1160 l_poc_bound = l_tcp->numpocs + 1;
1161
1162 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
1163 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
1164 l_current_poc = l_tcp->pocs;
1165
1166 for (pino = 0; pino < l_poc_bound ; ++pino) {
1167 l_current_poc->compS = 0;
1168 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
1169 l_current_poc->resS = 0;
1170 l_current_poc->resE = p_max_res;
1171 l_current_poc->layS = 0;
1172 l_current_poc->layE = l_tcp->numlayers;
1173 l_current_poc->prg = l_tcp->prg;
1174 l_current_poc->prcS = 0;
1175 l_current_poc->prcE = p_max_prec;
1176 l_current_poc->txS = (OPJ_UINT32)p_tx0;
1177 l_current_poc->txE = (OPJ_UINT32)p_tx1;
1178 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
1179 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
1180 l_current_poc->dx = p_dx_min;
1181 l_current_poc->dy = p_dy_min;
1182 ++ l_current_poc;
1183 }
1184 }
1185
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)1186 static void opj_pi_update_decode_poc(opj_pi_iterator_t * p_pi,
1187 opj_tcp_t * p_tcp,
1188 OPJ_UINT32 p_max_precision,
1189 OPJ_UINT32 p_max_res)
1190 {
1191 /* loop*/
1192 OPJ_UINT32 pino;
1193
1194 /* encoding prameters to set*/
1195 OPJ_UINT32 l_bound;
1196
1197 opj_pi_iterator_t * l_current_pi = 00;
1198 opj_poc_t* l_current_poc = 0;
1199
1200 OPJ_ARG_NOT_USED(p_max_res);
1201
1202 /* preconditions in debug*/
1203 assert(p_pi != 00);
1204 assert(p_tcp != 00);
1205
1206 /* initializations*/
1207 l_bound = p_tcp->numpocs + 1;
1208 l_current_pi = p_pi;
1209 l_current_poc = p_tcp->pocs;
1210
1211 for (pino = 0; pino < l_bound; ++pino) {
1212 l_current_pi->poc.prg = l_current_poc->prg; /* Progression Order #0 */
1213 l_current_pi->first = 1;
1214
1215 l_current_pi->poc.resno0 =
1216 l_current_poc->resno0; /* Resolution Level Index #0 (Start) */
1217 l_current_pi->poc.compno0 =
1218 l_current_poc->compno0; /* Component Index #0 (Start) */
1219 l_current_pi->poc.layno0 = 0;
1220 l_current_pi->poc.precno0 = 0;
1221 l_current_pi->poc.resno1 =
1222 l_current_poc->resno1; /* Resolution Level Index #0 (End) */
1223 l_current_pi->poc.compno1 =
1224 l_current_poc->compno1; /* Component Index #0 (End) */
1225 l_current_pi->poc.layno1 = opj_uint_min(l_current_poc->layno1,
1226 p_tcp->numlayers); /* Layer Index #0 (End) */
1227 l_current_pi->poc.precno1 = p_max_precision;
1228 ++l_current_pi;
1229 ++l_current_poc;
1230 }
1231 }
1232
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)1233 static void opj_pi_update_decode_not_poc(opj_pi_iterator_t * p_pi,
1234 opj_tcp_t * p_tcp,
1235 OPJ_UINT32 p_max_precision,
1236 OPJ_UINT32 p_max_res)
1237 {
1238 /* loop*/
1239 OPJ_UINT32 pino;
1240
1241 /* encoding prameters to set*/
1242 OPJ_UINT32 l_bound;
1243
1244 opj_pi_iterator_t * l_current_pi = 00;
1245 /* preconditions in debug*/
1246 assert(p_tcp != 00);
1247 assert(p_pi != 00);
1248
1249 /* initializations*/
1250 l_bound = p_tcp->numpocs + 1;
1251 l_current_pi = p_pi;
1252
1253 for (pino = 0; pino < l_bound; ++pino) {
1254 l_current_pi->poc.prg = p_tcp->prg;
1255 l_current_pi->first = 1;
1256 l_current_pi->poc.resno0 = 0;
1257 l_current_pi->poc.compno0 = 0;
1258 l_current_pi->poc.layno0 = 0;
1259 l_current_pi->poc.precno0 = 0;
1260 l_current_pi->poc.resno1 = p_max_res;
1261 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1262 l_current_pi->poc.layno1 = p_tcp->numlayers;
1263 l_current_pi->poc.precno1 = p_max_precision;
1264 ++l_current_pi;
1265 }
1266 }
1267
1268
1269
opj_pi_check_next_level(OPJ_INT32 pos,opj_cp_t * cp,OPJ_UINT32 tileno,OPJ_UINT32 pino,const OPJ_CHAR * prog)1270 static OPJ_BOOL opj_pi_check_next_level(OPJ_INT32 pos,
1271 opj_cp_t *cp,
1272 OPJ_UINT32 tileno,
1273 OPJ_UINT32 pino,
1274 const OPJ_CHAR *prog)
1275 {
1276 OPJ_INT32 i;
1277 opj_tcp_t *tcps = &cp->tcps[tileno];
1278 opj_poc_t *tcp = &tcps->pocs[pino];
1279
1280 if (pos >= 0) {
1281 for (i = pos; pos >= 0; i--) {
1282 switch (prog[i]) {
1283 case 'R':
1284 if (tcp->res_t == tcp->resE) {
1285 if (opj_pi_check_next_level(pos - 1, cp, tileno, pino, prog)) {
1286 return OPJ_TRUE;
1287 } else {
1288 return OPJ_FALSE;
1289 }
1290 } else {
1291 return OPJ_TRUE;
1292 }
1293 break;
1294 case 'C':
1295 if (tcp->comp_t == tcp->compE) {
1296 if (opj_pi_check_next_level(pos - 1, cp, tileno, pino, prog)) {
1297 return OPJ_TRUE;
1298 } else {
1299 return OPJ_FALSE;
1300 }
1301 } else {
1302 return OPJ_TRUE;
1303 }
1304 break;
1305 case 'L':
1306 if (tcp->lay_t == tcp->layE) {
1307 if (opj_pi_check_next_level(pos - 1, cp, tileno, pino, prog)) {
1308 return OPJ_TRUE;
1309 } else {
1310 return OPJ_FALSE;
1311 }
1312 } else {
1313 return OPJ_TRUE;
1314 }
1315 break;
1316 case 'P':
1317 switch (tcp->prg) {
1318 case OPJ_LRCP: /* fall through */
1319 case OPJ_RLCP:
1320 if (tcp->prc_t == tcp->prcE) {
1321 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1322 return OPJ_TRUE;
1323 } else {
1324 return OPJ_FALSE;
1325 }
1326 } else {
1327 return OPJ_TRUE;
1328 }
1329 break;
1330 default:
1331 if (tcp->tx0_t == tcp->txE) {
1332 /*TY*/
1333 if (tcp->ty0_t == tcp->tyE) {
1334 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1335 return OPJ_TRUE;
1336 } else {
1337 return OPJ_FALSE;
1338 }
1339 } else {
1340 return OPJ_TRUE;
1341 }/*TY*/
1342 } else {
1343 return OPJ_TRUE;
1344 }
1345 break;
1346 }/*end case P*/
1347 }/*end switch*/
1348 }/*end for*/
1349 }/*end if*/
1350 return OPJ_FALSE;
1351 }
1352
1353
1354 /*
1355 ==========================================================
1356 Packet iterator interface
1357 ==========================================================
1358 */
opj_pi_create_decode(opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)1359 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
1360 opj_cp_t *p_cp,
1361 OPJ_UINT32 p_tile_no)
1362 {
1363 OPJ_UINT32 numcomps = p_image->numcomps;
1364
1365 /* loop */
1366 OPJ_UINT32 pino;
1367 OPJ_UINT32 compno, resno;
1368
1369 /* to store w, h, dx and dy fro all components and resolutions */
1370 OPJ_UINT32 * l_tmp_data;
1371 OPJ_UINT32 ** l_tmp_ptr;
1372
1373 /* encoding prameters to set */
1374 OPJ_UINT32 l_max_res;
1375 OPJ_UINT32 l_max_prec;
1376 OPJ_INT32 l_tx0, l_tx1, l_ty0, l_ty1;
1377 OPJ_UINT32 l_dx_min, l_dy_min;
1378 OPJ_UINT32 l_bound;
1379 OPJ_UINT32 l_step_p, l_step_c, l_step_r, l_step_l ;
1380 OPJ_UINT32 l_data_stride;
1381
1382 /* pointers */
1383 opj_pi_iterator_t *l_pi = 00;
1384 opj_tcp_t *l_tcp = 00;
1385 const opj_tccp_t *l_tccp = 00;
1386 opj_pi_comp_t *l_current_comp = 00;
1387 opj_image_comp_t * l_img_comp = 00;
1388 opj_pi_iterator_t * l_current_pi = 00;
1389 OPJ_UINT32 * l_encoding_value_ptr = 00;
1390
1391 /* preconditions in debug */
1392 assert(p_cp != 00);
1393 assert(p_image != 00);
1394 assert(p_tile_no < p_cp->tw * p_cp->th);
1395
1396 /* initializations */
1397 l_tcp = &p_cp->tcps[p_tile_no];
1398 l_bound = l_tcp->numpocs + 1;
1399
1400 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1401 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1402 l_data_stride * numcomps * sizeof(OPJ_UINT32));
1403 if
1404 (! l_tmp_data) {
1405 return 00;
1406 }
1407 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1408 numcomps * sizeof(OPJ_UINT32 *));
1409 if
1410 (! l_tmp_ptr) {
1411 opj_free(l_tmp_data);
1412 return 00;
1413 }
1414
1415 /* memory allocation for pi */
1416 l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1417 if (!l_pi) {
1418 opj_free(l_tmp_data);
1419 opj_free(l_tmp_ptr);
1420 return 00;
1421 }
1422
1423 l_encoding_value_ptr = l_tmp_data;
1424 /* update pointer array */
1425 for
1426 (compno = 0; compno < numcomps; ++compno) {
1427 l_tmp_ptr[compno] = l_encoding_value_ptr;
1428 l_encoding_value_ptr += l_data_stride;
1429 }
1430 /* get encoding parameters */
1431 opj_get_all_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1,
1432 &l_ty0, &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res, l_tmp_ptr);
1433
1434 /* step calculations */
1435 l_step_p = 1;
1436 l_step_c = l_max_prec * l_step_p;
1437 l_step_r = numcomps * l_step_c;
1438 l_step_l = l_max_res * l_step_r;
1439
1440 /* set values for first packet iterator */
1441 l_current_pi = l_pi;
1442
1443 /* memory allocation for include */
1444 /* prevent an integer overflow issue */
1445 /* 0 < l_tcp->numlayers < 65536 c.f. opj_j2k_read_cod in j2k.c */
1446 l_current_pi->include = 00;
1447 if (l_step_l <= (UINT_MAX / (l_tcp->numlayers + 1U))) {
1448 l_current_pi->include_size = (l_tcp->numlayers + 1U) * l_step_l;
1449 l_current_pi->include = (OPJ_INT16*) opj_calloc(
1450 l_current_pi->include_size, sizeof(OPJ_INT16));
1451 }
1452
1453 if (!l_current_pi->include) {
1454 opj_free(l_tmp_data);
1455 opj_free(l_tmp_ptr);
1456 opj_pi_destroy(l_pi, l_bound);
1457 return 00;
1458 }
1459
1460 /* special treatment for the first packet iterator */
1461 l_current_comp = l_current_pi->comps;
1462 l_img_comp = p_image->comps;
1463 l_tccp = l_tcp->tccps;
1464
1465 l_current_pi->tx0 = l_tx0;
1466 l_current_pi->ty0 = l_ty0;
1467 l_current_pi->tx1 = l_tx1;
1468 l_current_pi->ty1 = l_ty1;
1469
1470 /*l_current_pi->dx = l_img_comp->dx;*/
1471 /*l_current_pi->dy = l_img_comp->dy;*/
1472
1473 l_current_pi->step_p = l_step_p;
1474 l_current_pi->step_c = l_step_c;
1475 l_current_pi->step_r = l_step_r;
1476 l_current_pi->step_l = l_step_l;
1477
1478 /* allocation for components and number of components has already been calculated by opj_pi_create */
1479 for
1480 (compno = 0; compno < numcomps; ++compno) {
1481 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1482 l_encoding_value_ptr = l_tmp_ptr[compno];
1483
1484 l_current_comp->dx = l_img_comp->dx;
1485 l_current_comp->dy = l_img_comp->dy;
1486 /* resolutions have already been initialized */
1487 for
1488 (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1489 l_res->pdx = *(l_encoding_value_ptr++);
1490 l_res->pdy = *(l_encoding_value_ptr++);
1491 l_res->pw = *(l_encoding_value_ptr++);
1492 l_res->ph = *(l_encoding_value_ptr++);
1493 ++l_res;
1494 }
1495 ++l_current_comp;
1496 ++l_img_comp;
1497 ++l_tccp;
1498 }
1499 ++l_current_pi;
1500
1501 for (pino = 1 ; pino < l_bound ; ++pino) {
1502 l_current_comp = l_current_pi->comps;
1503 l_img_comp = p_image->comps;
1504 l_tccp = l_tcp->tccps;
1505
1506 l_current_pi->tx0 = l_tx0;
1507 l_current_pi->ty0 = l_ty0;
1508 l_current_pi->tx1 = l_tx1;
1509 l_current_pi->ty1 = l_ty1;
1510 /*l_current_pi->dx = l_dx_min;*/
1511 /*l_current_pi->dy = l_dy_min;*/
1512 l_current_pi->step_p = l_step_p;
1513 l_current_pi->step_c = l_step_c;
1514 l_current_pi->step_r = l_step_r;
1515 l_current_pi->step_l = l_step_l;
1516
1517 /* allocation for components and number of components has already been calculated by opj_pi_create */
1518 for
1519 (compno = 0; compno < numcomps; ++compno) {
1520 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1521 l_encoding_value_ptr = l_tmp_ptr[compno];
1522
1523 l_current_comp->dx = l_img_comp->dx;
1524 l_current_comp->dy = l_img_comp->dy;
1525 /* resolutions have already been initialized */
1526 for
1527 (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1528 l_res->pdx = *(l_encoding_value_ptr++);
1529 l_res->pdy = *(l_encoding_value_ptr++);
1530 l_res->pw = *(l_encoding_value_ptr++);
1531 l_res->ph = *(l_encoding_value_ptr++);
1532 ++l_res;
1533 }
1534 ++l_current_comp;
1535 ++l_img_comp;
1536 ++l_tccp;
1537 }
1538 /* special treatment*/
1539 l_current_pi->include = (l_current_pi - 1)->include;
1540 l_current_pi->include_size = (l_current_pi - 1)->include_size;
1541 ++l_current_pi;
1542 }
1543 opj_free(l_tmp_data);
1544 l_tmp_data = 00;
1545 opj_free(l_tmp_ptr);
1546 l_tmp_ptr = 00;
1547 if
1548 (l_tcp->POC) {
1549 opj_pi_update_decode_poc(l_pi, l_tcp, l_max_prec, l_max_res);
1550 } else {
1551 opj_pi_update_decode_not_poc(l_pi, l_tcp, l_max_prec, l_max_res);
1552 }
1553 return l_pi;
1554 }
1555
1556
1557
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)1558 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
1559 opj_cp_t *p_cp,
1560 OPJ_UINT32 p_tile_no,
1561 J2K_T2_MODE p_t2_mode)
1562 {
1563 OPJ_UINT32 numcomps = p_image->numcomps;
1564
1565 /* loop*/
1566 OPJ_UINT32 pino;
1567 OPJ_UINT32 compno, resno;
1568
1569 /* to store w, h, dx and dy fro all components and resolutions*/
1570 OPJ_UINT32 * l_tmp_data;
1571 OPJ_UINT32 ** l_tmp_ptr;
1572
1573 /* encoding prameters to set*/
1574 OPJ_UINT32 l_max_res;
1575 OPJ_UINT32 l_max_prec;
1576 OPJ_INT32 l_tx0, l_tx1, l_ty0, l_ty1;
1577 OPJ_UINT32 l_dx_min, l_dy_min;
1578 OPJ_UINT32 l_bound;
1579 OPJ_UINT32 l_step_p, l_step_c, l_step_r, l_step_l ;
1580 OPJ_UINT32 l_data_stride;
1581
1582 /* pointers*/
1583 opj_pi_iterator_t *l_pi = 00;
1584 opj_tcp_t *l_tcp = 00;
1585 const opj_tccp_t *l_tccp = 00;
1586 opj_pi_comp_t *l_current_comp = 00;
1587 opj_image_comp_t * l_img_comp = 00;
1588 opj_pi_iterator_t * l_current_pi = 00;
1589 OPJ_UINT32 * l_encoding_value_ptr = 00;
1590
1591 /* preconditions in debug*/
1592 assert(p_cp != 00);
1593 assert(p_image != 00);
1594 assert(p_tile_no < p_cp->tw * p_cp->th);
1595
1596 /* initializations*/
1597 l_tcp = &p_cp->tcps[p_tile_no];
1598 l_bound = l_tcp->numpocs + 1;
1599
1600 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1601 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1602 l_data_stride * numcomps * sizeof(OPJ_UINT32));
1603 if (! l_tmp_data) {
1604 return 00;
1605 }
1606
1607 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1608 numcomps * sizeof(OPJ_UINT32 *));
1609 if (! l_tmp_ptr) {
1610 opj_free(l_tmp_data);
1611 return 00;
1612 }
1613
1614 /* memory allocation for pi*/
1615 l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1616 if (!l_pi) {
1617 opj_free(l_tmp_data);
1618 opj_free(l_tmp_ptr);
1619 return 00;
1620 }
1621
1622 l_encoding_value_ptr = l_tmp_data;
1623 /* update pointer array*/
1624 for (compno = 0; compno < numcomps; ++compno) {
1625 l_tmp_ptr[compno] = l_encoding_value_ptr;
1626 l_encoding_value_ptr += l_data_stride;
1627 }
1628
1629 /* get encoding parameters*/
1630 opj_get_all_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1,
1631 &l_ty0, &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res, l_tmp_ptr);
1632
1633 /* step calculations*/
1634 l_step_p = 1;
1635 l_step_c = l_max_prec * l_step_p;
1636 l_step_r = numcomps * l_step_c;
1637 l_step_l = l_max_res * l_step_r;
1638
1639 /* set values for first packet iterator*/
1640 l_pi->tp_on = (OPJ_BYTE)p_cp->m_specific_param.m_enc.m_tp_on;
1641 l_current_pi = l_pi;
1642
1643 /* memory allocation for include*/
1644 l_current_pi->include_size = l_tcp->numlayers * l_step_l;
1645 l_current_pi->include = (OPJ_INT16*) opj_calloc(l_current_pi->include_size,
1646 sizeof(OPJ_INT16));
1647 if (!l_current_pi->include) {
1648 opj_free(l_tmp_data);
1649 opj_free(l_tmp_ptr);
1650 opj_pi_destroy(l_pi, l_bound);
1651 return 00;
1652 }
1653
1654 /* special treatment for the first packet iterator*/
1655 l_current_comp = l_current_pi->comps;
1656 l_img_comp = p_image->comps;
1657 l_tccp = l_tcp->tccps;
1658 l_current_pi->tx0 = l_tx0;
1659 l_current_pi->ty0 = l_ty0;
1660 l_current_pi->tx1 = l_tx1;
1661 l_current_pi->ty1 = l_ty1;
1662 l_current_pi->dx = l_dx_min;
1663 l_current_pi->dy = l_dy_min;
1664 l_current_pi->step_p = l_step_p;
1665 l_current_pi->step_c = l_step_c;
1666 l_current_pi->step_r = l_step_r;
1667 l_current_pi->step_l = l_step_l;
1668
1669 /* allocation for components and number of components has already been calculated by opj_pi_create */
1670 for (compno = 0; compno < numcomps; ++compno) {
1671 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1672 l_encoding_value_ptr = l_tmp_ptr[compno];
1673
1674 l_current_comp->dx = l_img_comp->dx;
1675 l_current_comp->dy = l_img_comp->dy;
1676
1677 /* resolutions have already been initialized */
1678 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1679 l_res->pdx = *(l_encoding_value_ptr++);
1680 l_res->pdy = *(l_encoding_value_ptr++);
1681 l_res->pw = *(l_encoding_value_ptr++);
1682 l_res->ph = *(l_encoding_value_ptr++);
1683 ++l_res;
1684 }
1685
1686 ++l_current_comp;
1687 ++l_img_comp;
1688 ++l_tccp;
1689 }
1690 ++l_current_pi;
1691
1692 for (pino = 1 ; pino < l_bound ; ++pino) {
1693 l_current_comp = l_current_pi->comps;
1694 l_img_comp = p_image->comps;
1695 l_tccp = l_tcp->tccps;
1696
1697 l_current_pi->tx0 = l_tx0;
1698 l_current_pi->ty0 = l_ty0;
1699 l_current_pi->tx1 = l_tx1;
1700 l_current_pi->ty1 = l_ty1;
1701 l_current_pi->dx = l_dx_min;
1702 l_current_pi->dy = l_dy_min;
1703 l_current_pi->step_p = l_step_p;
1704 l_current_pi->step_c = l_step_c;
1705 l_current_pi->step_r = l_step_r;
1706 l_current_pi->step_l = l_step_l;
1707
1708 /* allocation for components and number of components has already been calculated by opj_pi_create */
1709 for (compno = 0; compno < numcomps; ++compno) {
1710 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1711 l_encoding_value_ptr = l_tmp_ptr[compno];
1712
1713 l_current_comp->dx = l_img_comp->dx;
1714 l_current_comp->dy = l_img_comp->dy;
1715 /* resolutions have already been initialized */
1716 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1717 l_res->pdx = *(l_encoding_value_ptr++);
1718 l_res->pdy = *(l_encoding_value_ptr++);
1719 l_res->pw = *(l_encoding_value_ptr++);
1720 l_res->ph = *(l_encoding_value_ptr++);
1721 ++l_res;
1722 }
1723 ++l_current_comp;
1724 ++l_img_comp;
1725 ++l_tccp;
1726 }
1727
1728 /* special treatment*/
1729 l_current_pi->include = (l_current_pi - 1)->include;
1730 l_current_pi->include_size = (l_current_pi - 1)->include_size;
1731 ++l_current_pi;
1732 }
1733
1734 opj_free(l_tmp_data);
1735 l_tmp_data = 00;
1736 opj_free(l_tmp_ptr);
1737 l_tmp_ptr = 00;
1738
1739 if (l_tcp->POC && (OPJ_IS_CINEMA(p_cp->rsiz) || p_t2_mode == FINAL_PASS)) {
1740 opj_pi_update_encode_poc_and_final(p_cp, p_tile_no, l_tx0, l_tx1, l_ty0, l_ty1,
1741 l_max_prec, l_max_res, l_dx_min, l_dy_min);
1742 } else {
1743 opj_pi_update_encode_not_poc(p_cp, numcomps, p_tile_no, l_tx0, l_tx1,
1744 l_ty0, l_ty1, l_max_prec, l_max_res, l_dx_min, l_dy_min);
1745 }
1746
1747 return l_pi;
1748 }
1749
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)1750 void opj_pi_create_encode(opj_pi_iterator_t *pi,
1751 opj_cp_t *cp,
1752 OPJ_UINT32 tileno,
1753 OPJ_UINT32 pino,
1754 OPJ_UINT32 tpnum,
1755 OPJ_INT32 tppos,
1756 J2K_T2_MODE t2_mode)
1757 {
1758 const OPJ_CHAR *prog;
1759 OPJ_INT32 i;
1760 OPJ_UINT32 incr_top = 1, resetX = 0;
1761 opj_tcp_t *tcps = &cp->tcps[tileno];
1762 opj_poc_t *tcp = &tcps->pocs[pino];
1763
1764 prog = opj_j2k_convert_progression_order(tcp->prg);
1765
1766 pi[pino].first = 1;
1767 pi[pino].poc.prg = tcp->prg;
1768
1769 if (!(cp->m_specific_param.m_enc.m_tp_on && ((!OPJ_IS_CINEMA(cp->rsiz) &&
1770 (t2_mode == FINAL_PASS)) || OPJ_IS_CINEMA(cp->rsiz)))) {
1771 pi[pino].poc.resno0 = tcp->resS;
1772 pi[pino].poc.resno1 = tcp->resE;
1773 pi[pino].poc.compno0 = tcp->compS;
1774 pi[pino].poc.compno1 = tcp->compE;
1775 pi[pino].poc.layno0 = tcp->layS;
1776 pi[pino].poc.layno1 = tcp->layE;
1777 pi[pino].poc.precno0 = tcp->prcS;
1778 pi[pino].poc.precno1 = tcp->prcE;
1779 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1780 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1781 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1782 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1783 } else {
1784 for (i = tppos + 1; i < 4; i++) {
1785 switch (prog[i]) {
1786 case 'R':
1787 pi[pino].poc.resno0 = tcp->resS;
1788 pi[pino].poc.resno1 = tcp->resE;
1789 break;
1790 case 'C':
1791 pi[pino].poc.compno0 = tcp->compS;
1792 pi[pino].poc.compno1 = tcp->compE;
1793 break;
1794 case 'L':
1795 pi[pino].poc.layno0 = tcp->layS;
1796 pi[pino].poc.layno1 = tcp->layE;
1797 break;
1798 case 'P':
1799 switch (tcp->prg) {
1800 case OPJ_LRCP:
1801 case OPJ_RLCP:
1802 pi[pino].poc.precno0 = tcp->prcS;
1803 pi[pino].poc.precno1 = tcp->prcE;
1804 break;
1805 default:
1806 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1807 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1808 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1809 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1810 break;
1811 }
1812 break;
1813 }
1814 }
1815
1816 if (tpnum == 0) {
1817 for (i = tppos; i >= 0; i--) {
1818 switch (prog[i]) {
1819 case 'C':
1820 tcp->comp_t = tcp->compS;
1821 pi[pino].poc.compno0 = tcp->comp_t;
1822 pi[pino].poc.compno1 = tcp->comp_t + 1;
1823 tcp->comp_t += 1;
1824 break;
1825 case 'R':
1826 tcp->res_t = tcp->resS;
1827 pi[pino].poc.resno0 = tcp->res_t;
1828 pi[pino].poc.resno1 = tcp->res_t + 1;
1829 tcp->res_t += 1;
1830 break;
1831 case 'L':
1832 tcp->lay_t = tcp->layS;
1833 pi[pino].poc.layno0 = tcp->lay_t;
1834 pi[pino].poc.layno1 = tcp->lay_t + 1;
1835 tcp->lay_t += 1;
1836 break;
1837 case 'P':
1838 switch (tcp->prg) {
1839 case OPJ_LRCP:
1840 case OPJ_RLCP:
1841 tcp->prc_t = tcp->prcS;
1842 pi[pino].poc.precno0 = tcp->prc_t;
1843 pi[pino].poc.precno1 = tcp->prc_t + 1;
1844 tcp->prc_t += 1;
1845 break;
1846 default:
1847 tcp->tx0_t = tcp->txS;
1848 tcp->ty0_t = tcp->tyS;
1849 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1850 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
1851 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1852 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1853 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1854 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1855 break;
1856 }
1857 break;
1858 }
1859 }
1860 incr_top = 1;
1861 } else {
1862 for (i = tppos; i >= 0; i--) {
1863 switch (prog[i]) {
1864 case 'C':
1865 pi[pino].poc.compno0 = tcp->comp_t - 1;
1866 pi[pino].poc.compno1 = tcp->comp_t;
1867 break;
1868 case 'R':
1869 pi[pino].poc.resno0 = tcp->res_t - 1;
1870 pi[pino].poc.resno1 = tcp->res_t;
1871 break;
1872 case 'L':
1873 pi[pino].poc.layno0 = tcp->lay_t - 1;
1874 pi[pino].poc.layno1 = tcp->lay_t;
1875 break;
1876 case 'P':
1877 switch (tcp->prg) {
1878 case OPJ_LRCP:
1879 case OPJ_RLCP:
1880 pi[pino].poc.precno0 = tcp->prc_t - 1;
1881 pi[pino].poc.precno1 = tcp->prc_t;
1882 break;
1883 default:
1884 pi[pino].poc.tx0 = (OPJ_INT32)(tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx));
1885 pi[pino].poc.tx1 = (OPJ_INT32)tcp->tx0_t ;
1886 pi[pino].poc.ty0 = (OPJ_INT32)(tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy));
1887 pi[pino].poc.ty1 = (OPJ_INT32)tcp->ty0_t ;
1888 break;
1889 }
1890 break;
1891 }
1892 if (incr_top == 1) {
1893 switch (prog[i]) {
1894 case 'R':
1895 if (tcp->res_t == tcp->resE) {
1896 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1897 tcp->res_t = tcp->resS;
1898 pi[pino].poc.resno0 = tcp->res_t;
1899 pi[pino].poc.resno1 = tcp->res_t + 1;
1900 tcp->res_t += 1;
1901 incr_top = 1;
1902 } else {
1903 incr_top = 0;
1904 }
1905 } else {
1906 pi[pino].poc.resno0 = tcp->res_t;
1907 pi[pino].poc.resno1 = tcp->res_t + 1;
1908 tcp->res_t += 1;
1909 incr_top = 0;
1910 }
1911 break;
1912 case 'C':
1913 if (tcp->comp_t == tcp->compE) {
1914 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1915 tcp->comp_t = tcp->compS;
1916 pi[pino].poc.compno0 = tcp->comp_t;
1917 pi[pino].poc.compno1 = tcp->comp_t + 1;
1918 tcp->comp_t += 1;
1919 incr_top = 1;
1920 } else {
1921 incr_top = 0;
1922 }
1923 } else {
1924 pi[pino].poc.compno0 = tcp->comp_t;
1925 pi[pino].poc.compno1 = tcp->comp_t + 1;
1926 tcp->comp_t += 1;
1927 incr_top = 0;
1928 }
1929 break;
1930 case 'L':
1931 if (tcp->lay_t == tcp->layE) {
1932 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1933 tcp->lay_t = tcp->layS;
1934 pi[pino].poc.layno0 = tcp->lay_t;
1935 pi[pino].poc.layno1 = tcp->lay_t + 1;
1936 tcp->lay_t += 1;
1937 incr_top = 1;
1938 } else {
1939 incr_top = 0;
1940 }
1941 } else {
1942 pi[pino].poc.layno0 = tcp->lay_t;
1943 pi[pino].poc.layno1 = tcp->lay_t + 1;
1944 tcp->lay_t += 1;
1945 incr_top = 0;
1946 }
1947 break;
1948 case 'P':
1949 switch (tcp->prg) {
1950 case OPJ_LRCP:
1951 case OPJ_RLCP:
1952 if (tcp->prc_t == tcp->prcE) {
1953 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1954 tcp->prc_t = tcp->prcS;
1955 pi[pino].poc.precno0 = tcp->prc_t;
1956 pi[pino].poc.precno1 = tcp->prc_t + 1;
1957 tcp->prc_t += 1;
1958 incr_top = 1;
1959 } else {
1960 incr_top = 0;
1961 }
1962 } else {
1963 pi[pino].poc.precno0 = tcp->prc_t;
1964 pi[pino].poc.precno1 = tcp->prc_t + 1;
1965 tcp->prc_t += 1;
1966 incr_top = 0;
1967 }
1968 break;
1969 default:
1970 if (tcp->tx0_t >= tcp->txE) {
1971 if (tcp->ty0_t >= tcp->tyE) {
1972 if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
1973 tcp->ty0_t = tcp->tyS;
1974 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1975 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1976 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1977 incr_top = 1;
1978 resetX = 1;
1979 } else {
1980 incr_top = 0;
1981 resetX = 0;
1982 }
1983 } else {
1984 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1985 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1986 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1987 incr_top = 0;
1988 resetX = 1;
1989 }
1990 if (resetX == 1) {
1991 tcp->tx0_t = tcp->txS;
1992 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1993 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
1994 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1995 }
1996 } else {
1997 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1998 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
1999 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
2000 incr_top = 0;
2001 }
2002 break;
2003 }
2004 break;
2005 }
2006 }
2007 }
2008 }
2009 }
2010 }
2011
opj_pi_destroy(opj_pi_iterator_t * p_pi,OPJ_UINT32 p_nb_elements)2012 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
2013 OPJ_UINT32 p_nb_elements)
2014 {
2015 OPJ_UINT32 compno, pino;
2016 opj_pi_iterator_t *l_current_pi = p_pi;
2017 if (p_pi) {
2018 if (p_pi->include) {
2019 opj_free(p_pi->include);
2020 p_pi->include = 00;
2021 }
2022 for (pino = 0; pino < p_nb_elements; ++pino) {
2023 if (l_current_pi->comps) {
2024 opj_pi_comp_t *l_current_component = l_current_pi->comps;
2025 for (compno = 0; compno < l_current_pi->numcomps; compno++) {
2026 if (l_current_component->resolutions) {
2027 opj_free(l_current_component->resolutions);
2028 l_current_component->resolutions = 00;
2029 }
2030
2031 ++l_current_component;
2032 }
2033 opj_free(l_current_pi->comps);
2034 l_current_pi->comps = 0;
2035 }
2036 ++l_current_pi;
2037 }
2038 opj_free(p_pi);
2039 }
2040 }
2041
2042
2043
opj_pi_update_encoding_parameters(const opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)2044 void opj_pi_update_encoding_parameters(const opj_image_t *p_image,
2045 opj_cp_t *p_cp,
2046 OPJ_UINT32 p_tile_no)
2047 {
2048 /* encoding parameters to set */
2049 OPJ_UINT32 l_max_res;
2050 OPJ_UINT32 l_max_prec;
2051 OPJ_INT32 l_tx0, l_tx1, l_ty0, l_ty1;
2052 OPJ_UINT32 l_dx_min, l_dy_min;
2053
2054 /* pointers */
2055 opj_tcp_t *l_tcp = 00;
2056
2057 /* preconditions */
2058 assert(p_cp != 00);
2059 assert(p_image != 00);
2060 assert(p_tile_no < p_cp->tw * p_cp->th);
2061
2062 l_tcp = &(p_cp->tcps[p_tile_no]);
2063
2064 /* get encoding parameters */
2065 opj_get_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1, &l_ty0,
2066 &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res);
2067
2068 if (l_tcp->POC) {
2069 opj_pi_update_encode_poc_and_final(p_cp, p_tile_no, l_tx0, l_tx1, l_ty0, l_ty1,
2070 l_max_prec, l_max_res, l_dx_min, l_dy_min);
2071 } else {
2072 opj_pi_update_encode_not_poc(p_cp, p_image->numcomps, p_tile_no, l_tx0, l_tx1,
2073 l_ty0, l_ty1, l_max_prec, l_max_res, l_dx_min, l_dy_min);
2074 }
2075 }
2076
opj_pi_next(opj_pi_iterator_t * pi)2077 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi)
2078 {
2079 switch (pi->poc.prg) {
2080 case OPJ_LRCP:
2081 return opj_pi_next_lrcp(pi);
2082 case OPJ_RLCP:
2083 return opj_pi_next_rlcp(pi);
2084 case OPJ_RPCL:
2085 return opj_pi_next_rpcl(pi);
2086 case OPJ_PCRL:
2087 return opj_pi_next_pcrl(pi);
2088 case OPJ_CPRL:
2089 return opj_pi_next_cprl(pi);
2090 case OPJ_PROG_UNKNOWN:
2091 return OPJ_FALSE;
2092 }
2093
2094 return OPJ_FALSE;
2095 }
2096