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 the maximum precision for all the bands of the tile
140 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
141 * @param p_dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
142 * @param p_dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
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 the maximum precision for all the bands of the tile
171 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
172 * @param p_dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
173 * @param p_dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
174 * @param p_resolutions pointer to an area corresponding to the one described above.
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 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_next_lrcp(opj_pi_iterator_t * pi)233 OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi) {
234 opj_pi_comp_t *comp = NULL;
235 opj_pi_resolution_t *res = NULL;
236 OPJ_UINT32 index = 0;
237
238 if (!pi->first) {
239 comp = &pi->comps[pi->compno];
240 res = &comp->resolutions[pi->resno];
241 goto LABEL_SKIP;
242 } else {
243 pi->first = 0;
244 }
245
246 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
247 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
248 pi->resno++) {
249 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
250 comp = &pi->comps[pi->compno];
251 if (pi->resno >= comp->numresolutions) {
252 continue;
253 }
254 res = &comp->resolutions[pi->resno];
255 if (!pi->tp_on){
256 pi->poc.precno1 = res->pw * res->ph;
257 }
258 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
259 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
260 if (!pi->include[index]) {
261 pi->include[index] = 1;
262 return OPJ_TRUE;
263 }
264 LABEL_SKIP:;
265 }
266 }
267 }
268 }
269
270 return OPJ_FALSE;
271 }
272
opj_pi_next_rlcp(opj_pi_iterator_t * pi)273 OPJ_BOOL opj_pi_next_rlcp(opj_pi_iterator_t * pi) {
274 opj_pi_comp_t *comp = NULL;
275 opj_pi_resolution_t *res = NULL;
276 OPJ_UINT32 index = 0;
277
278 if (!pi->first) {
279 comp = &pi->comps[pi->compno];
280 res = &comp->resolutions[pi->resno];
281 goto LABEL_SKIP;
282 } else {
283 pi->first = 0;
284 }
285
286 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
287 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
288 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
289 comp = &pi->comps[pi->compno];
290 if (pi->resno >= comp->numresolutions) {
291 continue;
292 }
293 res = &comp->resolutions[pi->resno];
294 if(!pi->tp_on){
295 pi->poc.precno1 = res->pw * res->ph;
296 }
297 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
298 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
299 if (!pi->include[index]) {
300 pi->include[index] = 1;
301 return OPJ_TRUE;
302 }
303 LABEL_SKIP:;
304 }
305 }
306 }
307 }
308
309 return OPJ_FALSE;
310 }
311
opj_pi_next_rpcl(opj_pi_iterator_t * pi)312 OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi) {
313 opj_pi_comp_t *comp = NULL;
314 opj_pi_resolution_t *res = NULL;
315 OPJ_UINT32 index = 0;
316
317 if (!pi->first) {
318 goto LABEL_SKIP;
319 } else {
320 OPJ_UINT32 compno, resno;
321 pi->first = 0;
322 pi->dx = 0;
323 pi->dy = 0;
324 for (compno = 0; compno < pi->numcomps; compno++) {
325 comp = &pi->comps[compno];
326 for (resno = 0; resno < comp->numresolutions; resno++) {
327 OPJ_UINT32 dx, dy;
328 res = &comp->resolutions[resno];
329 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
330 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
331 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
332 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
333 }
334 }
335 }
336 if (!pi->tp_on){
337 pi->poc.ty0 = pi->ty0;
338 pi->poc.tx0 = pi->tx0;
339 pi->poc.ty1 = pi->ty1;
340 pi->poc.tx1 = pi->tx1;
341 }
342 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
343 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
344 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
345 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
346 OPJ_UINT32 levelno;
347 OPJ_INT32 trx0, try0;
348 OPJ_INT32 trx1, try1;
349 OPJ_UINT32 rpx, rpy;
350 OPJ_INT32 prci, prcj;
351 comp = &pi->comps[pi->compno];
352 if (pi->resno >= comp->numresolutions) {
353 continue;
354 }
355 res = &comp->resolutions[pi->resno];
356 levelno = comp->numresolutions - 1 - pi->resno;
357 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
358 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
359 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
360 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
361 rpx = res->pdx + levelno;
362 rpy = res->pdy + levelno;
363 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
364 continue;
365 }
366 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
367 continue;
368 }
369
370 if ((res->pw==0)||(res->ph==0)) continue;
371
372 if ((trx0==trx1)||(try0==try1)) continue;
373
374 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
375 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
376 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
377 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
378 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
379 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
380 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
381 if (!pi->include[index]) {
382 pi->include[index] = 1;
383 return OPJ_TRUE;
384 }
385 LABEL_SKIP:;
386 }
387 }
388 }
389 }
390 }
391
392 return OPJ_FALSE;
393 }
394
opj_pi_next_pcrl(opj_pi_iterator_t * pi)395 OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi) {
396 opj_pi_comp_t *comp = NULL;
397 opj_pi_resolution_t *res = NULL;
398 OPJ_UINT32 index = 0;
399
400 if (!pi->first) {
401 comp = &pi->comps[pi->compno];
402 goto LABEL_SKIP;
403 } else {
404 OPJ_UINT32 compno, resno;
405 pi->first = 0;
406 pi->dx = 0;
407 pi->dy = 0;
408 for (compno = 0; compno < pi->numcomps; compno++) {
409 comp = &pi->comps[compno];
410 for (resno = 0; resno < comp->numresolutions; resno++) {
411 OPJ_UINT32 dx, dy;
412 res = &comp->resolutions[resno];
413 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
414 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
415 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
416 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
417 }
418 }
419 }
420 if (!pi->tp_on){
421 pi->poc.ty0 = pi->ty0;
422 pi->poc.tx0 = pi->tx0;
423 pi->poc.ty1 = pi->ty1;
424 pi->poc.tx1 = pi->tx1;
425 }
426 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
427 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
428 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
429 comp = &pi->comps[pi->compno];
430 for (pi->resno = pi->poc.resno0; pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
431 OPJ_UINT32 levelno;
432 OPJ_INT32 trx0, try0;
433 OPJ_INT32 trx1, try1;
434 OPJ_UINT32 rpx, rpy;
435 OPJ_INT32 prci, prcj;
436 res = &comp->resolutions[pi->resno];
437 levelno = comp->numresolutions - 1 - pi->resno;
438 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
439 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
440 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
441 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
442 rpx = res->pdx + levelno;
443 rpy = res->pdy + levelno;
444 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
445 continue;
446 }
447 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
448 continue;
449 }
450
451 if ((res->pw==0)||(res->ph==0)) continue;
452
453 if ((trx0==trx1)||(try0==try1)) continue;
454
455 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
456 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
457 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
458 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
459 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
460 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
461 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
462 if (!pi->include[index]) {
463 pi->include[index] = 1;
464 return OPJ_TRUE;
465 }
466 LABEL_SKIP:;
467 }
468 }
469 }
470 }
471 }
472
473 return OPJ_FALSE;
474 }
475
opj_pi_next_cprl(opj_pi_iterator_t * pi)476 OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi) {
477 opj_pi_comp_t *comp = NULL;
478 opj_pi_resolution_t *res = NULL;
479 OPJ_UINT32 index = 0;
480
481 if (!pi->first) {
482 comp = &pi->comps[pi->compno];
483 goto LABEL_SKIP;
484 } else {
485 pi->first = 0;
486 }
487
488 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
489 OPJ_UINT32 resno;
490 comp = &pi->comps[pi->compno];
491 pi->dx = 0;
492 pi->dy = 0;
493 for (resno = 0; resno < comp->numresolutions; resno++) {
494 OPJ_UINT32 dx, dy;
495 res = &comp->resolutions[resno];
496 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
497 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
498 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
499 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
500 }
501 if (!pi->tp_on){
502 pi->poc.ty0 = pi->ty0;
503 pi->poc.tx0 = pi->tx0;
504 pi->poc.ty1 = pi->ty1;
505 pi->poc.tx1 = pi->tx1;
506 }
507 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
508 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
509 for (pi->resno = pi->poc.resno0; pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
510 OPJ_UINT32 levelno;
511 OPJ_INT32 trx0, try0;
512 OPJ_INT32 trx1, try1;
513 OPJ_UINT32 rpx, rpy;
514 OPJ_INT32 prci, prcj;
515 res = &comp->resolutions[pi->resno];
516 levelno = comp->numresolutions - 1 - pi->resno;
517 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
518 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
519 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
520 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
521 rpx = res->pdx + levelno;
522 rpy = res->pdy + levelno;
523 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
524 continue;
525 }
526 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
527 continue;
528 }
529
530 if ((res->pw==0)||(res->ph==0)) continue;
531
532 if ((trx0==trx1)||(try0==try1)) continue;
533
534 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
535 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
536 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
537 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
538 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
539 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
540 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
541 if (!pi->include[index]) {
542 pi->include[index] = 1;
543 return OPJ_TRUE;
544 }
545 LABEL_SKIP:;
546 }
547 }
548 }
549 }
550 }
551
552 return OPJ_FALSE;
553 }
554
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)555 void opj_get_encoding_parameters( const opj_image_t *p_image,
556 const opj_cp_t *p_cp,
557 OPJ_UINT32 p_tileno,
558 OPJ_INT32 * p_tx0,
559 OPJ_INT32 * p_tx1,
560 OPJ_INT32 * p_ty0,
561 OPJ_INT32 * p_ty1,
562 OPJ_UINT32 * p_dx_min,
563 OPJ_UINT32 * p_dy_min,
564 OPJ_UINT32 * p_max_prec,
565 OPJ_UINT32 * p_max_res )
566 {
567 /* loop */
568 OPJ_UINT32 compno, resno;
569 /* pointers */
570 const opj_tcp_t *l_tcp = 00;
571 const opj_tccp_t * l_tccp = 00;
572 const opj_image_comp_t * l_img_comp = 00;
573
574 /* position in x and y of tile */
575 OPJ_UINT32 p, q;
576
577 /* preconditions */
578 assert(p_cp != 00);
579 assert(p_image != 00);
580 assert(p_tileno < p_cp->tw * p_cp->th);
581
582 /* initializations */
583 l_tcp = &p_cp->tcps [p_tileno];
584 l_img_comp = p_image->comps;
585 l_tccp = l_tcp->tccps;
586
587 /* here calculation of tx0, tx1, ty0, ty1, maxprec, dx and dy */
588 p = p_tileno % p_cp->tw;
589 q = p_tileno / p_cp->tw;
590
591 /* find extent of tile */
592 *p_tx0 = opj_int_max((OPJ_INT32)(p_cp->tx0 + p * p_cp->tdx), (OPJ_INT32)p_image->x0);
593 *p_tx1 = opj_int_min((OPJ_INT32)(p_cp->tx0 + (p + 1) * p_cp->tdx), (OPJ_INT32)p_image->x1);
594 *p_ty0 = opj_int_max((OPJ_INT32)(p_cp->ty0 + q * p_cp->tdy), (OPJ_INT32)p_image->y0);
595 *p_ty1 = opj_int_min((OPJ_INT32)(p_cp->ty0 + (q + 1) * p_cp->tdy), (OPJ_INT32)p_image->y1);
596
597 /* max precision is 0 (can only grow) */
598 *p_max_prec = 0;
599 *p_max_res = 0;
600
601 /* take the largest value for dx_min and dy_min */
602 *p_dx_min = 0x7fffffff;
603 *p_dy_min = 0x7fffffff;
604
605 for (compno = 0; compno < p_image->numcomps; ++compno) {
606 /* arithmetic variables to calculate */
607 OPJ_UINT32 l_level_no;
608 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
609 OPJ_INT32 l_px0, l_py0, l_px1, py1;
610 OPJ_UINT32 l_pdx, l_pdy;
611 OPJ_UINT32 l_pw, l_ph;
612 OPJ_UINT32 l_product;
613 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
614
615 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
616 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
617 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
618 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
619
620 if (l_tccp->numresolutions > *p_max_res) {
621 *p_max_res = l_tccp->numresolutions;
622 }
623
624 /* use custom size for precincts */
625 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
626 OPJ_UINT32 l_dx, l_dy;
627
628 /* precinct width and height */
629 l_pdx = l_tccp->prcw[resno];
630 l_pdy = l_tccp->prch[resno];
631
632 l_dx = l_img_comp->dx * (1u << (l_pdx + l_tccp->numresolutions - 1 - resno));
633 l_dy = l_img_comp->dy * (1u << (l_pdy + l_tccp->numresolutions - 1 - resno));
634
635 /* take the minimum size for dx for each comp and resolution */
636 *p_dx_min = opj_uint_min(*p_dx_min, l_dx);
637 *p_dy_min = opj_uint_min(*p_dy_min, l_dy);
638
639 /* various calculations of extents */
640 l_level_no = l_tccp->numresolutions - 1 - resno;
641
642 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
643 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
644 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
645 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
646
647 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
648 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
649 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
650
651 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
652
653 l_pw = (l_rx0==l_rx1)?0:(OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
654 l_ph = (l_ry0==l_ry1)?0:(OPJ_UINT32)((py1 - l_py0) >> l_pdy);
655
656 l_product = l_pw * l_ph;
657
658 /* update precision */
659 if (l_product > *p_max_prec) {
660 *p_max_prec = l_product;
661 }
662 }
663 ++l_img_comp;
664 ++l_tccp;
665 }
666 }
667
668
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)669 void opj_get_all_encoding_parameters( const opj_image_t *p_image,
670 const opj_cp_t *p_cp,
671 OPJ_UINT32 tileno,
672 OPJ_INT32 * p_tx0,
673 OPJ_INT32 * p_tx1,
674 OPJ_INT32 * p_ty0,
675 OPJ_INT32 * p_ty1,
676 OPJ_UINT32 * p_dx_min,
677 OPJ_UINT32 * p_dy_min,
678 OPJ_UINT32 * p_max_prec,
679 OPJ_UINT32 * p_max_res,
680 OPJ_UINT32 ** p_resolutions )
681 {
682 /* loop*/
683 OPJ_UINT32 compno, resno;
684
685 /* pointers*/
686 const opj_tcp_t *tcp = 00;
687 const opj_tccp_t * l_tccp = 00;
688 const opj_image_comp_t * l_img_comp = 00;
689
690 /* to store l_dx, l_dy, w and h for each resolution and component.*/
691 OPJ_UINT32 * lResolutionPtr;
692
693 /* position in x and y of tile*/
694 OPJ_UINT32 p, q;
695
696 /* preconditions in debug*/
697 assert(p_cp != 00);
698 assert(p_image != 00);
699 assert(tileno < p_cp->tw * p_cp->th);
700
701 /* initializations*/
702 tcp = &p_cp->tcps [tileno];
703 l_tccp = tcp->tccps;
704 l_img_comp = p_image->comps;
705
706 /* position in x and y of tile*/
707 p = tileno % p_cp->tw;
708 q = tileno / p_cp->tw;
709
710 /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
711 *p_tx0 = opj_int_max((OPJ_INT32)(p_cp->tx0 + p * p_cp->tdx), (OPJ_INT32)p_image->x0);
712 *p_tx1 = opj_int_min((OPJ_INT32)(p_cp->tx0 + (p + 1) * p_cp->tdx), (OPJ_INT32)p_image->x1);
713 *p_ty0 = opj_int_max((OPJ_INT32)(p_cp->ty0 + q * p_cp->tdy), (OPJ_INT32)p_image->y0);
714 *p_ty1 = opj_int_min((OPJ_INT32)(p_cp->ty0 + (q + 1) * p_cp->tdy), (OPJ_INT32)p_image->y1);
715
716 /* max precision and resolution is 0 (can only grow)*/
717 *p_max_prec = 0;
718 *p_max_res = 0;
719
720 /* take the largest value for dx_min and dy_min*/
721 *p_dx_min = 0x7fffffff;
722 *p_dy_min = 0x7fffffff;
723
724 for (compno = 0; compno < p_image->numcomps; ++compno) {
725 /* aritmetic variables to calculate*/
726 OPJ_UINT32 l_level_no;
727 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
728 OPJ_INT32 l_px0, l_py0, l_px1, py1;
729 OPJ_UINT32 l_product;
730 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
731 OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph;
732
733 lResolutionPtr = p_resolutions[compno];
734
735 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
736 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
737 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
738 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
739
740 if (l_tccp->numresolutions > *p_max_res) {
741 *p_max_res = l_tccp->numresolutions;
742 }
743
744 /* use custom size for precincts*/
745 l_level_no = l_tccp->numresolutions - 1;
746 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
747 OPJ_UINT32 l_dx, l_dy;
748
749 /* precinct width and height*/
750 l_pdx = l_tccp->prcw[resno];
751 l_pdy = l_tccp->prch[resno];
752 *lResolutionPtr++ = l_pdx;
753 *lResolutionPtr++ = l_pdy;
754 l_dx = l_img_comp->dx * (1u << (l_pdx + l_level_no));
755 l_dy = l_img_comp->dy * (1u << (l_pdy + l_level_no));
756 /* take the minimum size for l_dx for each comp and resolution*/
757 *p_dx_min = (OPJ_UINT32)opj_int_min((OPJ_INT32)*p_dx_min, (OPJ_INT32)l_dx);
758 *p_dy_min = (OPJ_UINT32)opj_int_min((OPJ_INT32)*p_dy_min, (OPJ_INT32)l_dy);
759
760 /* various calculations of extents*/
761 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
762 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
763 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
764 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
765 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
766 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
767 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
768 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
769 l_pw = (l_rx0==l_rx1)?0:(OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
770 l_ph = (l_ry0==l_ry1)?0:(OPJ_UINT32)((py1 - l_py0) >> l_pdy);
771 *lResolutionPtr++ = l_pw;
772 *lResolutionPtr++ = l_ph;
773 l_product = l_pw * l_ph;
774
775 /* update precision*/
776 if (l_product > *p_max_prec) {
777 *p_max_prec = l_product;
778 }
779
780 --l_level_no;
781 }
782 ++l_tccp;
783 ++l_img_comp;
784 }
785 }
786
opj_pi_create(const opj_image_t * image,const opj_cp_t * cp,OPJ_UINT32 tileno)787 opj_pi_iterator_t * opj_pi_create( const opj_image_t *image,
788 const opj_cp_t *cp,
789 OPJ_UINT32 tileno )
790 {
791 /* loop*/
792 OPJ_UINT32 pino, compno;
793 /* number of poc in the p_pi*/
794 OPJ_UINT32 l_poc_bound;
795
796 /* pointers to tile coding parameters and components.*/
797 opj_pi_iterator_t *l_pi = 00;
798 opj_tcp_t *tcp = 00;
799 const opj_tccp_t *tccp = 00;
800
801 /* current packet iterator being allocated*/
802 opj_pi_iterator_t *l_current_pi = 00;
803
804 /* preconditions in debug*/
805 assert(cp != 00);
806 assert(image != 00);
807 assert(tileno < cp->tw * cp->th);
808
809 /* initializations*/
810 tcp = &cp->tcps[tileno];
811 l_poc_bound = tcp->numpocs+1;
812
813 /* memory allocations*/
814 l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
815 if (!l_pi) {
816 return NULL;
817 }
818 memset(l_pi,0,l_poc_bound * sizeof(opj_pi_iterator_t));
819
820 l_current_pi = l_pi;
821 for (pino = 0; pino < l_poc_bound ; ++pino) {
822
823 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
824 if (! l_current_pi->comps) {
825 opj_pi_destroy(l_pi, l_poc_bound);
826 return NULL;
827 }
828
829 l_current_pi->numcomps = image->numcomps;
830 memset(l_current_pi->comps,0,image->numcomps * sizeof(opj_pi_comp_t));
831
832 for (compno = 0; compno < image->numcomps; ++compno) {
833 opj_pi_comp_t *comp = &l_current_pi->comps[compno];
834
835 tccp = &tcp->tccps[compno];
836
837 comp->resolutions = (opj_pi_resolution_t*) opj_malloc(tccp->numresolutions * sizeof(opj_pi_resolution_t));
838 if (!comp->resolutions) {
839 opj_pi_destroy(l_pi, l_poc_bound);
840 return 00;
841 }
842
843 comp->numresolutions = tccp->numresolutions;
844 memset(comp->resolutions,0,tccp->numresolutions * sizeof(opj_pi_resolution_t));
845 }
846 ++l_current_pi;
847 }
848 return l_pi;
849 }
850
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)851 void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
852 OPJ_UINT32 p_tileno,
853 OPJ_INT32 p_tx0,
854 OPJ_INT32 p_tx1,
855 OPJ_INT32 p_ty0,
856 OPJ_INT32 p_ty1,
857 OPJ_UINT32 p_max_prec,
858 OPJ_UINT32 p_max_res,
859 OPJ_UINT32 p_dx_min,
860 OPJ_UINT32 p_dy_min)
861 {
862 /* loop*/
863 OPJ_UINT32 pino;
864 /* tile coding parameter*/
865 opj_tcp_t *l_tcp = 00;
866 /* current poc being updated*/
867 opj_poc_t * l_current_poc = 00;
868
869 /* number of pocs*/
870 OPJ_UINT32 l_poc_bound;
871
872 OPJ_ARG_NOT_USED(p_max_res);
873
874 /* preconditions in debug*/
875 assert(p_cp != 00);
876 assert(p_tileno < p_cp->tw * p_cp->th);
877
878 /* initializations*/
879 l_tcp = &p_cp->tcps [p_tileno];
880 /* number of iterations in the loop */
881 l_poc_bound = l_tcp->numpocs+1;
882
883 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
884 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
885 l_current_poc = l_tcp->pocs;
886
887 l_current_poc->compS = l_current_poc->compno0;
888 l_current_poc->compE = l_current_poc->compno1;
889 l_current_poc->resS = l_current_poc->resno0;
890 l_current_poc->resE = l_current_poc->resno1;
891 l_current_poc->layE = l_current_poc->layno1;
892
893 /* special treatment for the first element*/
894 l_current_poc->layS = 0;
895 l_current_poc->prg = l_current_poc->prg1;
896 l_current_poc->prcS = 0;
897
898 l_current_poc->prcE = p_max_prec;
899 l_current_poc->txS = (OPJ_UINT32)p_tx0;
900 l_current_poc->txE = (OPJ_UINT32)p_tx1;
901 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
902 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
903 l_current_poc->dx = p_dx_min;
904 l_current_poc->dy = p_dy_min;
905
906 ++ l_current_poc;
907 for (pino = 1;pino < l_poc_bound ; ++pino) {
908 l_current_poc->compS = l_current_poc->compno0;
909 l_current_poc->compE= l_current_poc->compno1;
910 l_current_poc->resS = l_current_poc->resno0;
911 l_current_poc->resE = l_current_poc->resno1;
912 l_current_poc->layE = l_current_poc->layno1;
913 l_current_poc->prg = l_current_poc->prg1;
914 l_current_poc->prcS = 0;
915 /* special treatment here different from the first element*/
916 l_current_poc->layS = (l_current_poc->layE > (l_current_poc-1)->layE) ? l_current_poc->layE : 0;
917
918 l_current_poc->prcE = p_max_prec;
919 l_current_poc->txS = (OPJ_UINT32)p_tx0;
920 l_current_poc->txE = (OPJ_UINT32)p_tx1;
921 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
922 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
923 l_current_poc->dx = p_dx_min;
924 l_current_poc->dy = p_dy_min;
925 ++ l_current_poc;
926 }
927 }
928
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)929 void opj_pi_update_encode_not_poc ( opj_cp_t *p_cp,
930 OPJ_UINT32 p_num_comps,
931 OPJ_UINT32 p_tileno,
932 OPJ_INT32 p_tx0,
933 OPJ_INT32 p_tx1,
934 OPJ_INT32 p_ty0,
935 OPJ_INT32 p_ty1,
936 OPJ_UINT32 p_max_prec,
937 OPJ_UINT32 p_max_res,
938 OPJ_UINT32 p_dx_min,
939 OPJ_UINT32 p_dy_min)
940 {
941 /* loop*/
942 OPJ_UINT32 pino;
943 /* tile coding parameter*/
944 opj_tcp_t *l_tcp = 00;
945 /* current poc being updated*/
946 opj_poc_t * l_current_poc = 00;
947 /* number of pocs*/
948 OPJ_UINT32 l_poc_bound;
949
950 /* preconditions in debug*/
951 assert(p_cp != 00);
952 assert(p_tileno < p_cp->tw * p_cp->th);
953
954 /* initializations*/
955 l_tcp = &p_cp->tcps [p_tileno];
956
957 /* number of iterations in the loop */
958 l_poc_bound = l_tcp->numpocs+1;
959
960 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
961 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
962 l_current_poc = l_tcp->pocs;
963
964 for (pino = 0; pino < l_poc_bound ; ++pino) {
965 l_current_poc->compS = 0;
966 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
967 l_current_poc->resS = 0;
968 l_current_poc->resE = p_max_res;
969 l_current_poc->layS = 0;
970 l_current_poc->layE = l_tcp->numlayers;
971 l_current_poc->prg = l_tcp->prg;
972 l_current_poc->prcS = 0;
973 l_current_poc->prcE = p_max_prec;
974 l_current_poc->txS = (OPJ_UINT32)p_tx0;
975 l_current_poc->txE = (OPJ_UINT32)p_tx1;
976 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
977 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
978 l_current_poc->dx = p_dx_min;
979 l_current_poc->dy = p_dy_min;
980 ++ l_current_poc;
981 }
982 }
983
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)984 void opj_pi_update_decode_poc (opj_pi_iterator_t * p_pi,
985 opj_tcp_t * p_tcp,
986 OPJ_UINT32 p_max_precision,
987 OPJ_UINT32 p_max_res)
988 {
989 /* loop*/
990 OPJ_UINT32 pino;
991
992 /* encoding prameters to set*/
993 OPJ_UINT32 l_bound;
994
995 opj_pi_iterator_t * l_current_pi = 00;
996 opj_poc_t* l_current_poc = 0;
997
998 OPJ_ARG_NOT_USED(p_max_res);
999
1000 /* preconditions in debug*/
1001 assert(p_pi != 00);
1002 assert(p_tcp != 00);
1003
1004 /* initializations*/
1005 l_bound = p_tcp->numpocs+1;
1006 l_current_pi = p_pi;
1007 l_current_poc = p_tcp->pocs;
1008
1009 for (pino = 0;pino<l_bound;++pino) {
1010 l_current_pi->poc.prg = l_current_poc->prg; /* Progression Order #0 */
1011 l_current_pi->first = 1;
1012
1013 l_current_pi->poc.resno0 = l_current_poc->resno0; /* Resolution Level Index #0 (Start) */
1014 l_current_pi->poc.compno0 = l_current_poc->compno0; /* Component Index #0 (Start) */
1015 l_current_pi->poc.layno0 = 0;
1016 l_current_pi->poc.precno0 = 0;
1017 l_current_pi->poc.resno1 = l_current_poc->resno1; /* Resolution Level Index #0 (End) */
1018 l_current_pi->poc.compno1 = l_current_poc->compno1; /* Component Index #0 (End) */
1019 l_current_pi->poc.layno1 = l_current_poc->layno1; /* Layer Index #0 (End) */
1020 l_current_pi->poc.precno1 = p_max_precision;
1021 ++l_current_pi;
1022 ++l_current_poc;
1023 }
1024 }
1025
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)1026 void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
1027 opj_tcp_t * p_tcp,
1028 OPJ_UINT32 p_max_precision,
1029 OPJ_UINT32 p_max_res)
1030 {
1031 /* loop*/
1032 OPJ_UINT32 pino;
1033
1034 /* encoding prameters to set*/
1035 OPJ_UINT32 l_bound;
1036
1037 opj_pi_iterator_t * l_current_pi = 00;
1038 /* preconditions in debug*/
1039 assert(p_tcp != 00);
1040 assert(p_pi != 00);
1041
1042 /* initializations*/
1043 l_bound = p_tcp->numpocs+1;
1044 l_current_pi = p_pi;
1045
1046 for (pino = 0;pino<l_bound;++pino) {
1047 l_current_pi->poc.prg = p_tcp->prg;
1048 l_current_pi->first = 1;
1049 l_current_pi->poc.resno0 = 0;
1050 l_current_pi->poc.compno0 = 0;
1051 l_current_pi->poc.layno0 = 0;
1052 l_current_pi->poc.precno0 = 0;
1053 l_current_pi->poc.resno1 = p_max_res;
1054 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1055 l_current_pi->poc.layno1 = p_tcp->numlayers;
1056 l_current_pi->poc.precno1 = p_max_precision;
1057 ++l_current_pi;
1058 }
1059 }
1060
1061
1062
opj_pi_check_next_level(OPJ_INT32 pos,opj_cp_t * cp,OPJ_UINT32 tileno,OPJ_UINT32 pino,const OPJ_CHAR * prog)1063 OPJ_BOOL opj_pi_check_next_level( OPJ_INT32 pos,
1064 opj_cp_t *cp,
1065 OPJ_UINT32 tileno,
1066 OPJ_UINT32 pino,
1067 const OPJ_CHAR *prog)
1068 {
1069 OPJ_INT32 i;
1070 opj_tcp_t *tcps =&cp->tcps[tileno];
1071 opj_poc_t *tcp = &tcps->pocs[pino];
1072
1073 if(pos>=0){
1074 for(i=pos;pos>=0;i--){
1075 switch(prog[i]){
1076 case 'R':
1077 if(tcp->res_t==tcp->resE){
1078 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1079 return OPJ_TRUE;
1080 }else{
1081 return OPJ_FALSE;
1082 }
1083 }else{
1084 return OPJ_TRUE;
1085 }
1086 break;
1087 case 'C':
1088 if(tcp->comp_t==tcp->compE){
1089 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1090 return OPJ_TRUE;
1091 }else{
1092 return OPJ_FALSE;
1093 }
1094 }else{
1095 return OPJ_TRUE;
1096 }
1097 break;
1098 case 'L':
1099 if(tcp->lay_t==tcp->layE){
1100 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1101 return OPJ_TRUE;
1102 }else{
1103 return OPJ_FALSE;
1104 }
1105 }else{
1106 return OPJ_TRUE;
1107 }
1108 break;
1109 case 'P':
1110 switch(tcp->prg){
1111 case OPJ_LRCP||OPJ_RLCP:
1112 if(tcp->prc_t == tcp->prcE){
1113 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1114 return OPJ_TRUE;
1115 }else{
1116 return OPJ_FALSE;
1117 }
1118 }else{
1119 return OPJ_TRUE;
1120 }
1121 break;
1122 default:
1123 if(tcp->tx0_t == tcp->txE){
1124 /*TY*/
1125 if(tcp->ty0_t == tcp->tyE){
1126 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1127 return OPJ_TRUE;
1128 }else{
1129 return OPJ_FALSE;
1130 }
1131 }else{
1132 return OPJ_TRUE;
1133 }/*TY*/
1134 }else{
1135 return OPJ_TRUE;
1136 }
1137 break;
1138 }/*end case P*/
1139 }/*end switch*/
1140 }/*end for*/
1141 }/*end if*/
1142 return OPJ_FALSE;
1143 }
1144
1145
1146 /*
1147 ==========================================================
1148 Packet iterator interface
1149 ==========================================================
1150 */
opj_pi_create_decode(opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)1151 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
1152 opj_cp_t *p_cp,
1153 OPJ_UINT32 p_tile_no)
1154 {
1155 /* loop */
1156 OPJ_UINT32 pino;
1157 OPJ_UINT32 compno, resno;
1158
1159 /* to store w, h, dx and dy fro all components and resolutions */
1160 OPJ_UINT32 * l_tmp_data;
1161 OPJ_UINT32 ** l_tmp_ptr;
1162
1163 /* encoding prameters to set */
1164 OPJ_UINT32 l_max_res;
1165 OPJ_UINT32 l_max_prec;
1166 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1167 OPJ_UINT32 l_dx_min,l_dy_min;
1168 OPJ_UINT32 l_bound;
1169 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1170 OPJ_UINT32 l_data_stride;
1171
1172 /* pointers */
1173 opj_pi_iterator_t *l_pi = 00;
1174 opj_tcp_t *l_tcp = 00;
1175 const opj_tccp_t *l_tccp = 00;
1176 opj_pi_comp_t *l_current_comp = 00;
1177 opj_image_comp_t * l_img_comp = 00;
1178 opj_pi_iterator_t * l_current_pi = 00;
1179 OPJ_UINT32 * l_encoding_value_ptr = 00;
1180
1181 /* preconditions in debug */
1182 assert(p_cp != 00);
1183 assert(p_image != 00);
1184 assert(p_tile_no < p_cp->tw * p_cp->th);
1185
1186 /* initializations */
1187 l_tcp = &p_cp->tcps[p_tile_no];
1188 l_bound = l_tcp->numpocs+1;
1189
1190 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1191 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1192 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1193 if
1194 (! l_tmp_data)
1195 {
1196 return 00;
1197 }
1198 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1199 p_image->numcomps * sizeof(OPJ_UINT32 *));
1200 if
1201 (! l_tmp_ptr)
1202 {
1203 opj_free(l_tmp_data);
1204 return 00;
1205 }
1206
1207 /* memory allocation for pi */
1208 l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1209 if (!l_pi) {
1210 opj_free(l_tmp_data);
1211 opj_free(l_tmp_ptr);
1212 return 00;
1213 }
1214
1215 l_encoding_value_ptr = l_tmp_data;
1216 /* update pointer array */
1217 for
1218 (compno = 0; compno < p_image->numcomps; ++compno)
1219 {
1220 l_tmp_ptr[compno] = l_encoding_value_ptr;
1221 l_encoding_value_ptr += l_data_stride;
1222 }
1223 /* get encoding parameters */
1224 opj_get_all_encoding_parameters(p_image,p_cp,p_tile_no,&l_tx0,&l_tx1,&l_ty0,&l_ty1,&l_dx_min,&l_dy_min,&l_max_prec,&l_max_res,l_tmp_ptr);
1225
1226 /* step calculations */
1227 l_step_p = 1;
1228 l_step_c = l_max_prec * l_step_p;
1229 l_step_r = p_image->numcomps * l_step_c;
1230 l_step_l = l_max_res * l_step_r;
1231
1232 /* set values for first packet iterator */
1233 l_current_pi = l_pi;
1234
1235 /* memory allocation for include */
1236 l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
1237 if
1238 (!l_current_pi->include)
1239 {
1240 opj_free(l_tmp_data);
1241 opj_free(l_tmp_ptr);
1242 opj_pi_destroy(l_pi, l_bound);
1243 return 00;
1244 }
1245 memset(l_current_pi->include,0, (l_tcp->numlayers + 1) * l_step_l* sizeof(OPJ_INT16));
1246
1247 /* special treatment for the first packet iterator */
1248 l_current_comp = l_current_pi->comps;
1249 l_img_comp = p_image->comps;
1250 l_tccp = l_tcp->tccps;
1251
1252 l_current_pi->tx0 = l_tx0;
1253 l_current_pi->ty0 = l_ty0;
1254 l_current_pi->tx1 = l_tx1;
1255 l_current_pi->ty1 = l_ty1;
1256
1257 /*l_current_pi->dx = l_img_comp->dx;*/
1258 /*l_current_pi->dy = l_img_comp->dy;*/
1259
1260 l_current_pi->step_p = l_step_p;
1261 l_current_pi->step_c = l_step_c;
1262 l_current_pi->step_r = l_step_r;
1263 l_current_pi->step_l = l_step_l;
1264
1265 /* allocation for components and number of components has already been calculated by opj_pi_create */
1266 for
1267 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1268 {
1269 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1270 l_encoding_value_ptr = l_tmp_ptr[compno];
1271
1272 l_current_comp->dx = l_img_comp->dx;
1273 l_current_comp->dy = l_img_comp->dy;
1274 /* resolutions have already been initialized */
1275 for
1276 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1277 {
1278 l_res->pdx = *(l_encoding_value_ptr++);
1279 l_res->pdy = *(l_encoding_value_ptr++);
1280 l_res->pw = *(l_encoding_value_ptr++);
1281 l_res->ph = *(l_encoding_value_ptr++);
1282 ++l_res;
1283 }
1284 ++l_current_comp;
1285 ++l_img_comp;
1286 ++l_tccp;
1287 }
1288 ++l_current_pi;
1289
1290 for (pino = 1 ; pino<l_bound ; ++pino )
1291 {
1292 l_current_comp = l_current_pi->comps;
1293 l_img_comp = p_image->comps;
1294 l_tccp = l_tcp->tccps;
1295
1296 l_current_pi->tx0 = l_tx0;
1297 l_current_pi->ty0 = l_ty0;
1298 l_current_pi->tx1 = l_tx1;
1299 l_current_pi->ty1 = l_ty1;
1300 /*l_current_pi->dx = l_dx_min;*/
1301 /*l_current_pi->dy = l_dy_min;*/
1302 l_current_pi->step_p = l_step_p;
1303 l_current_pi->step_c = l_step_c;
1304 l_current_pi->step_r = l_step_r;
1305 l_current_pi->step_l = l_step_l;
1306
1307 /* allocation for components and number of components has already been calculated by opj_pi_create */
1308 for
1309 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1310 {
1311 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1312 l_encoding_value_ptr = l_tmp_ptr[compno];
1313
1314 l_current_comp->dx = l_img_comp->dx;
1315 l_current_comp->dy = l_img_comp->dy;
1316 /* resolutions have already been initialized */
1317 for
1318 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1319 {
1320 l_res->pdx = *(l_encoding_value_ptr++);
1321 l_res->pdy = *(l_encoding_value_ptr++);
1322 l_res->pw = *(l_encoding_value_ptr++);
1323 l_res->ph = *(l_encoding_value_ptr++);
1324 ++l_res;
1325 }
1326 ++l_current_comp;
1327 ++l_img_comp;
1328 ++l_tccp;
1329 }
1330 /* special treatment*/
1331 l_current_pi->include = (l_current_pi-1)->include;
1332 ++l_current_pi;
1333 }
1334 opj_free(l_tmp_data);
1335 l_tmp_data = 00;
1336 opj_free(l_tmp_ptr);
1337 l_tmp_ptr = 00;
1338 if
1339 (l_tcp->POC)
1340 {
1341 opj_pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
1342 }
1343 else
1344 {
1345 opj_pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
1346 }
1347 return l_pi;
1348 }
1349
1350
1351
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)1352 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
1353 opj_cp_t *p_cp,
1354 OPJ_UINT32 p_tile_no,
1355 J2K_T2_MODE p_t2_mode )
1356 {
1357 /* loop*/
1358 OPJ_UINT32 pino;
1359 OPJ_UINT32 compno, resno;
1360
1361 /* to store w, h, dx and dy fro all components and resolutions*/
1362 OPJ_UINT32 * l_tmp_data;
1363 OPJ_UINT32 ** l_tmp_ptr;
1364
1365 /* encoding prameters to set*/
1366 OPJ_UINT32 l_max_res;
1367 OPJ_UINT32 l_max_prec;
1368 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1369 OPJ_UINT32 l_dx_min,l_dy_min;
1370 OPJ_UINT32 l_bound;
1371 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1372 OPJ_UINT32 l_data_stride;
1373
1374 /* pointers*/
1375 opj_pi_iterator_t *l_pi = 00;
1376 opj_tcp_t *l_tcp = 00;
1377 const opj_tccp_t *l_tccp = 00;
1378 opj_pi_comp_t *l_current_comp = 00;
1379 opj_image_comp_t * l_img_comp = 00;
1380 opj_pi_iterator_t * l_current_pi = 00;
1381 OPJ_UINT32 * l_encoding_value_ptr = 00;
1382
1383 /* preconditions in debug*/
1384 assert(p_cp != 00);
1385 assert(p_image != 00);
1386 assert(p_tile_no < p_cp->tw * p_cp->th);
1387
1388 /* initializations*/
1389 l_tcp = &p_cp->tcps[p_tile_no];
1390 l_bound = l_tcp->numpocs+1;
1391
1392 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1393 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1394 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1395 if (! l_tmp_data) {
1396 return 00;
1397 }
1398
1399 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1400 p_image->numcomps * sizeof(OPJ_UINT32 *));
1401 if (! l_tmp_ptr) {
1402 opj_free(l_tmp_data);
1403 return 00;
1404 }
1405
1406 /* memory allocation for pi*/
1407 l_pi = opj_pi_create(p_image,p_cp,p_tile_no);
1408 if (!l_pi) {
1409 opj_free(l_tmp_data);
1410 opj_free(l_tmp_ptr);
1411 return 00;
1412 }
1413
1414 l_encoding_value_ptr = l_tmp_data;
1415 /* update pointer array*/
1416 for (compno = 0; compno < p_image->numcomps; ++compno) {
1417 l_tmp_ptr[compno] = l_encoding_value_ptr;
1418 l_encoding_value_ptr += l_data_stride;
1419 }
1420
1421 /* get encoding parameters*/
1422 opj_get_all_encoding_parameters(p_image,p_cp,p_tile_no,&l_tx0,&l_tx1,&l_ty0,&l_ty1,&l_dx_min,&l_dy_min,&l_max_prec,&l_max_res,l_tmp_ptr);
1423
1424 /* step calculations*/
1425 l_step_p = 1;
1426 l_step_c = l_max_prec * l_step_p;
1427 l_step_r = p_image->numcomps * l_step_c;
1428 l_step_l = l_max_res * l_step_r;
1429
1430 /* set values for first packet iterator*/
1431 l_pi->tp_on = p_cp->m_specific_param.m_enc.m_tp_on;
1432 l_current_pi = l_pi;
1433
1434 /* memory allocation for include*/
1435 l_current_pi->include = (OPJ_INT16*) opj_calloc(l_tcp->numlayers * l_step_l, sizeof(OPJ_INT16));
1436 if (!l_current_pi->include) {
1437 opj_free(l_tmp_data);
1438 opj_free(l_tmp_ptr);
1439 opj_pi_destroy(l_pi, l_bound);
1440 return 00;
1441 }
1442 memset(l_current_pi->include,0,l_tcp->numlayers * l_step_l* sizeof(OPJ_INT16));
1443
1444 /* special treatment for the first packet iterator*/
1445 l_current_comp = l_current_pi->comps;
1446 l_img_comp = p_image->comps;
1447 l_tccp = l_tcp->tccps;
1448 l_current_pi->tx0 = l_tx0;
1449 l_current_pi->ty0 = l_ty0;
1450 l_current_pi->tx1 = l_tx1;
1451 l_current_pi->ty1 = l_ty1;
1452 l_current_pi->dx = l_dx_min;
1453 l_current_pi->dy = l_dy_min;
1454 l_current_pi->step_p = l_step_p;
1455 l_current_pi->step_c = l_step_c;
1456 l_current_pi->step_r = l_step_r;
1457 l_current_pi->step_l = l_step_l;
1458
1459 /* allocation for components and number of components has already been calculated by opj_pi_create */
1460 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1461 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1462 l_encoding_value_ptr = l_tmp_ptr[compno];
1463
1464 l_current_comp->dx = l_img_comp->dx;
1465 l_current_comp->dy = l_img_comp->dy;
1466
1467 /* resolutions have already been initialized */
1468 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1469 l_res->pdx = *(l_encoding_value_ptr++);
1470 l_res->pdy = *(l_encoding_value_ptr++);
1471 l_res->pw = *(l_encoding_value_ptr++);
1472 l_res->ph = *(l_encoding_value_ptr++);
1473 ++l_res;
1474 }
1475
1476 ++l_current_comp;
1477 ++l_img_comp;
1478 ++l_tccp;
1479 }
1480 ++l_current_pi;
1481
1482 for (pino = 1 ; pino<l_bound ; ++pino ) {
1483 l_current_comp = l_current_pi->comps;
1484 l_img_comp = p_image->comps;
1485 l_tccp = l_tcp->tccps;
1486
1487 l_current_pi->tx0 = l_tx0;
1488 l_current_pi->ty0 = l_ty0;
1489 l_current_pi->tx1 = l_tx1;
1490 l_current_pi->ty1 = l_ty1;
1491 l_current_pi->dx = l_dx_min;
1492 l_current_pi->dy = l_dy_min;
1493 l_current_pi->step_p = l_step_p;
1494 l_current_pi->step_c = l_step_c;
1495 l_current_pi->step_r = l_step_r;
1496 l_current_pi->step_l = l_step_l;
1497
1498 /* allocation for components and number of components has already been calculated by opj_pi_create */
1499 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1500 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1501 l_encoding_value_ptr = l_tmp_ptr[compno];
1502
1503 l_current_comp->dx = l_img_comp->dx;
1504 l_current_comp->dy = l_img_comp->dy;
1505 /* resolutions have already been initialized */
1506 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1507 l_res->pdx = *(l_encoding_value_ptr++);
1508 l_res->pdy = *(l_encoding_value_ptr++);
1509 l_res->pw = *(l_encoding_value_ptr++);
1510 l_res->ph = *(l_encoding_value_ptr++);
1511 ++l_res;
1512 }
1513 ++l_current_comp;
1514 ++l_img_comp;
1515 ++l_tccp;
1516 }
1517
1518 /* special treatment*/
1519 l_current_pi->include = (l_current_pi-1)->include;
1520 ++l_current_pi;
1521 }
1522
1523 opj_free(l_tmp_data);
1524 l_tmp_data = 00;
1525 opj_free(l_tmp_ptr);
1526 l_tmp_ptr = 00;
1527
1528 if (l_tcp->POC && ( p_cp->m_specific_param.m_enc.m_cinema || p_t2_mode == FINAL_PASS)) {
1529 opj_pi_update_encode_poc_and_final(p_cp,p_tile_no,l_tx0,l_tx1,l_ty0,l_ty1,l_max_prec,l_max_res,l_dx_min,l_dy_min);
1530 }
1531 else {
1532 opj_pi_update_encode_not_poc(p_cp,p_image->numcomps,p_tile_no,l_tx0,l_tx1,l_ty0,l_ty1,l_max_prec,l_max_res,l_dx_min,l_dy_min);
1533 }
1534
1535 return l_pi;
1536 }
1537
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)1538 void opj_pi_create_encode( opj_pi_iterator_t *pi,
1539 opj_cp_t *cp,
1540 OPJ_UINT32 tileno,
1541 OPJ_UINT32 pino,
1542 OPJ_UINT32 tpnum,
1543 OPJ_INT32 tppos,
1544 J2K_T2_MODE t2_mode)
1545 {
1546 const OPJ_CHAR *prog;
1547 OPJ_INT32 i;
1548 OPJ_UINT32 incr_top=1,resetX=0;
1549 opj_tcp_t *tcps =&cp->tcps[tileno];
1550 opj_poc_t *tcp= &tcps->pocs[pino];
1551
1552 prog = opj_j2k_convert_progression_order(tcp->prg);
1553
1554 pi[pino].first = 1;
1555 pi[pino].poc.prg = tcp->prg;
1556
1557 if(!(cp->m_specific_param.m_enc.m_tp_on && ((!cp->m_specific_param.m_enc.m_cinema && (t2_mode == FINAL_PASS)) || cp->m_specific_param.m_enc.m_cinema))){
1558 pi[pino].poc.resno0 = tcp->resS;
1559 pi[pino].poc.resno1 = tcp->resE;
1560 pi[pino].poc.compno0 = tcp->compS;
1561 pi[pino].poc.compno1 = tcp->compE;
1562 pi[pino].poc.layno0 = tcp->layS;
1563 pi[pino].poc.layno1 = tcp->layE;
1564 pi[pino].poc.precno0 = tcp->prcS;
1565 pi[pino].poc.precno1 = tcp->prcE;
1566 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1567 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1568 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1569 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1570 }else {
1571 for(i=tppos+1;i<4;i++){
1572 switch(prog[i]){
1573 case 'R':
1574 pi[pino].poc.resno0 = tcp->resS;
1575 pi[pino].poc.resno1 = tcp->resE;
1576 break;
1577 case 'C':
1578 pi[pino].poc.compno0 = tcp->compS;
1579 pi[pino].poc.compno1 = tcp->compE;
1580 break;
1581 case 'L':
1582 pi[pino].poc.layno0 = tcp->layS;
1583 pi[pino].poc.layno1 = tcp->layE;
1584 break;
1585 case 'P':
1586 switch(tcp->prg){
1587 case OPJ_LRCP:
1588 case OPJ_RLCP:
1589 pi[pino].poc.precno0 = tcp->prcS;
1590 pi[pino].poc.precno1 = tcp->prcE;
1591 break;
1592 default:
1593 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1594 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1595 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1596 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1597 break;
1598 }
1599 break;
1600 }
1601 }
1602
1603 if(tpnum==0){
1604 for(i=tppos;i>=0;i--){
1605 switch(prog[i]){
1606 case 'C':
1607 tcp->comp_t = tcp->compS;
1608 pi[pino].poc.compno0 = tcp->comp_t;
1609 pi[pino].poc.compno1 = tcp->comp_t+1;
1610 tcp->comp_t+=1;
1611 break;
1612 case 'R':
1613 tcp->res_t = tcp->resS;
1614 pi[pino].poc.resno0 = tcp->res_t;
1615 pi[pino].poc.resno1 = tcp->res_t+1;
1616 tcp->res_t+=1;
1617 break;
1618 case 'L':
1619 tcp->lay_t = tcp->layS;
1620 pi[pino].poc.layno0 = tcp->lay_t;
1621 pi[pino].poc.layno1 = tcp->lay_t+1;
1622 tcp->lay_t+=1;
1623 break;
1624 case 'P':
1625 switch(tcp->prg){
1626 case OPJ_LRCP:
1627 case OPJ_RLCP:
1628 tcp->prc_t = tcp->prcS;
1629 pi[pino].poc.precno0 = tcp->prc_t;
1630 pi[pino].poc.precno1 = tcp->prc_t+1;
1631 tcp->prc_t+=1;
1632 break;
1633 default:
1634 tcp->tx0_t = tcp->txS;
1635 tcp->ty0_t = tcp->tyS;
1636 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1637 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
1638 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1639 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1640 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1641 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1642 break;
1643 }
1644 break;
1645 }
1646 }
1647 incr_top=1;
1648 }else{
1649 for(i=tppos;i>=0;i--){
1650 switch(prog[i]){
1651 case 'C':
1652 pi[pino].poc.compno0 = tcp->comp_t-1;
1653 pi[pino].poc.compno1 = tcp->comp_t;
1654 break;
1655 case 'R':
1656 pi[pino].poc.resno0 = tcp->res_t-1;
1657 pi[pino].poc.resno1 = tcp->res_t;
1658 break;
1659 case 'L':
1660 pi[pino].poc.layno0 = tcp->lay_t-1;
1661 pi[pino].poc.layno1 = tcp->lay_t;
1662 break;
1663 case 'P':
1664 switch(tcp->prg){
1665 case OPJ_LRCP:
1666 case OPJ_RLCP:
1667 pi[pino].poc.precno0 = tcp->prc_t-1;
1668 pi[pino].poc.precno1 = tcp->prc_t;
1669 break;
1670 default:
1671 pi[pino].poc.tx0 = (OPJ_INT32)(tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx));
1672 pi[pino].poc.tx1 = (OPJ_INT32)tcp->tx0_t ;
1673 pi[pino].poc.ty0 = (OPJ_INT32)(tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy));
1674 pi[pino].poc.ty1 = (OPJ_INT32)tcp->ty0_t ;
1675 break;
1676 }
1677 break;
1678 }
1679 if(incr_top==1){
1680 switch(prog[i]){
1681 case 'R':
1682 if(tcp->res_t==tcp->resE){
1683 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1684 tcp->res_t = tcp->resS;
1685 pi[pino].poc.resno0 = tcp->res_t;
1686 pi[pino].poc.resno1 = tcp->res_t+1;
1687 tcp->res_t+=1;
1688 incr_top=1;
1689 }else{
1690 incr_top=0;
1691 }
1692 }else{
1693 pi[pino].poc.resno0 = tcp->res_t;
1694 pi[pino].poc.resno1 = tcp->res_t+1;
1695 tcp->res_t+=1;
1696 incr_top=0;
1697 }
1698 break;
1699 case 'C':
1700 if(tcp->comp_t ==tcp->compE){
1701 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1702 tcp->comp_t = tcp->compS;
1703 pi[pino].poc.compno0 = tcp->comp_t;
1704 pi[pino].poc.compno1 = tcp->comp_t+1;
1705 tcp->comp_t+=1;
1706 incr_top=1;
1707 }else{
1708 incr_top=0;
1709 }
1710 }else{
1711 pi[pino].poc.compno0 = tcp->comp_t;
1712 pi[pino].poc.compno1 = tcp->comp_t+1;
1713 tcp->comp_t+=1;
1714 incr_top=0;
1715 }
1716 break;
1717 case 'L':
1718 if(tcp->lay_t == tcp->layE){
1719 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1720 tcp->lay_t = tcp->layS;
1721 pi[pino].poc.layno0 = tcp->lay_t;
1722 pi[pino].poc.layno1 = tcp->lay_t+1;
1723 tcp->lay_t+=1;
1724 incr_top=1;
1725 }else{
1726 incr_top=0;
1727 }
1728 }else{
1729 pi[pino].poc.layno0 = tcp->lay_t;
1730 pi[pino].poc.layno1 = tcp->lay_t+1;
1731 tcp->lay_t+=1;
1732 incr_top=0;
1733 }
1734 break;
1735 case 'P':
1736 switch(tcp->prg){
1737 case OPJ_LRCP:
1738 case OPJ_RLCP:
1739 if(tcp->prc_t == tcp->prcE){
1740 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1741 tcp->prc_t = tcp->prcS;
1742 pi[pino].poc.precno0 = tcp->prc_t;
1743 pi[pino].poc.precno1 = tcp->prc_t+1;
1744 tcp->prc_t+=1;
1745 incr_top=1;
1746 }else{
1747 incr_top=0;
1748 }
1749 }else{
1750 pi[pino].poc.precno0 = tcp->prc_t;
1751 pi[pino].poc.precno1 = tcp->prc_t+1;
1752 tcp->prc_t+=1;
1753 incr_top=0;
1754 }
1755 break;
1756 default:
1757 if(tcp->tx0_t >= tcp->txE){
1758 if(tcp->ty0_t >= tcp->tyE){
1759 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1760 tcp->ty0_t = tcp->tyS;
1761 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1762 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1763 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1764 incr_top=1;resetX=1;
1765 }else{
1766 incr_top=0;resetX=0;
1767 }
1768 }else{
1769 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1770 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1771 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1772 incr_top=0;resetX=1;
1773 }
1774 if(resetX==1){
1775 tcp->tx0_t = tcp->txS;
1776 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1777 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx));
1778 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1779 }
1780 }else{
1781 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1782 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx));
1783 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1784 incr_top=0;
1785 }
1786 break;
1787 }
1788 break;
1789 }
1790 }
1791 }
1792 }
1793 }
1794 }
1795
opj_pi_destroy(opj_pi_iterator_t * p_pi,OPJ_UINT32 p_nb_elements)1796 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
1797 OPJ_UINT32 p_nb_elements)
1798 {
1799 OPJ_UINT32 compno, pino;
1800 opj_pi_iterator_t *l_current_pi = p_pi;
1801 if (p_pi) {
1802 if (p_pi->include) {
1803 opj_free(p_pi->include);
1804 p_pi->include = 00;
1805 }
1806 for (pino = 0; pino < p_nb_elements; ++pino){
1807 if(l_current_pi->comps) {
1808 opj_pi_comp_t *l_current_component = l_current_pi->comps;
1809 for (compno = 0; compno < l_current_pi->numcomps; compno++){
1810 if(l_current_component->resolutions) {
1811 opj_free(l_current_component->resolutions);
1812 l_current_component->resolutions = 00;
1813 }
1814
1815 ++l_current_component;
1816 }
1817 opj_free(l_current_pi->comps);
1818 l_current_pi->comps = 0;
1819 }
1820 ++l_current_pi;
1821 }
1822 opj_free(p_pi);
1823 }
1824 }
1825
1826
1827
opj_pi_update_encoding_parameters(const opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)1828 void opj_pi_update_encoding_parameters( const opj_image_t *p_image,
1829 opj_cp_t *p_cp,
1830 OPJ_UINT32 p_tile_no )
1831 {
1832 /* encoding parameters to set */
1833 OPJ_UINT32 l_max_res;
1834 OPJ_UINT32 l_max_prec;
1835 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1836 OPJ_UINT32 l_dx_min,l_dy_min;
1837
1838 /* pointers */
1839 opj_tcp_t *l_tcp = 00;
1840
1841 /* preconditions */
1842 assert(p_cp != 00);
1843 assert(p_image != 00);
1844 assert(p_tile_no < p_cp->tw * p_cp->th);
1845
1846 l_tcp = &(p_cp->tcps[p_tile_no]);
1847
1848 /* get encoding parameters */
1849 opj_get_encoding_parameters(p_image,p_cp,p_tile_no,&l_tx0,&l_tx1,&l_ty0,&l_ty1,&l_dx_min,&l_dy_min,&l_max_prec,&l_max_res);
1850
1851 if (l_tcp->POC) {
1852 opj_pi_update_encode_poc_and_final(p_cp,p_tile_no,l_tx0,l_tx1,l_ty0,l_ty1,l_max_prec,l_max_res,l_dx_min,l_dy_min);
1853 }
1854 else {
1855 opj_pi_update_encode_not_poc(p_cp,p_image->numcomps,p_tile_no,l_tx0,l_tx1,l_ty0,l_ty1,l_max_prec,l_max_res,l_dx_min,l_dy_min);
1856 }
1857 }
1858
opj_pi_next(opj_pi_iterator_t * pi)1859 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi) {
1860 switch (pi->poc.prg) {
1861 case OPJ_LRCP:
1862 return opj_pi_next_lrcp(pi);
1863 case OPJ_RLCP:
1864 return opj_pi_next_rlcp(pi);
1865 case OPJ_RPCL:
1866 return opj_pi_next_rpcl(pi);
1867 case OPJ_PCRL:
1868 return opj_pi_next_pcrl(pi);
1869 case OPJ_CPRL:
1870 return opj_pi_next_cprl(pi);
1871 case OPJ_PROG_UNKNOWN:
1872 return OPJ_FALSE;
1873 }
1874
1875 return OPJ_FALSE;
1876 }
1877