1 /*
2 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3 * Copyright (c) 2002-2007, Professor Benoit Macq
4 * Copyright (c) 2001-2003, David Janssens
5 * Copyright (c) 2002-2003, Yannick Verschueren
6 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
7 * Copyright (c) 2005, Herve Drolon, FreeImage Team
8 * Copyright (c) 2006-2007, Parvatha Elangovan
9 * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #include "pi.h"
35 #include "int.h"
36 #include "opj_malloc.h"
37 #include "j2k.h"
38 /** @defgroup PI PI - Implementation of a packet iterator */
39 /*@{*/
40
41 /** @name Local static functions */
42 /*@{*/
43
44 /**
45 Get next packet in layer-resolution-component-precinct order.
46 @param pi packet iterator to modify
47 @return returns false if pi pointed to the last packet or else returns true
48 */
49 static bool pi_next_lrcp(opj_pi_iterator_t * pi);
50 /**
51 Get next packet in resolution-layer-component-precinct order.
52 @param pi packet iterator to modify
53 @return returns false if pi pointed to the last packet or else returns true
54 */
55 static bool pi_next_rlcp(opj_pi_iterator_t * pi);
56 /**
57 Get next packet in resolution-precinct-component-layer order.
58 @param pi packet iterator to modify
59 @return returns false if pi pointed to the last packet or else returns true
60 */
61 static bool pi_next_rpcl(opj_pi_iterator_t * pi);
62 /**
63 Get next packet in precinct-component-resolution-layer order.
64 @param pi packet iterator to modify
65 @return returns false if pi pointed to the last packet or else returns true
66 */
67 static bool pi_next_pcrl(opj_pi_iterator_t * pi);
68 /**
69 Get next packet in component-precinct-resolution-layer order.
70 @param pi packet iterator to modify
71 @return returns false if pi pointed to the last packet or else returns true
72 */
73 static bool pi_next_cprl(opj_pi_iterator_t * pi);
74
75 /**
76 * Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used).
77 *
78 * @param p_cp the coding parameters to modify
79 * @param p_tileno the tile index being concerned.
80 * @param p_tx0 X0 parameter for the tile
81 * @param p_tx1 X1 parameter for the tile
82 * @param p_ty0 Y0 parameter for the tile
83 * @param p_ty1 Y1 parameter for the tile
84 * @param p_max_prec the maximum precision for all the bands of the tile
85 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
86 * @param dx_min the minimum dx of all the components of all the resolutions for the tile.
87 * @param dy_min the minimum dy of all the components of all the resolutions for the tile.
88 */
89 void pi_update_encode_poc_and_final (
90 opj_cp_t *p_cp,
91 OPJ_UINT32 p_tileno,
92 OPJ_INT32 p_tx0,
93 OPJ_INT32 p_tx1,
94 OPJ_INT32 p_ty0,
95 OPJ_INT32 p_ty1,
96 OPJ_UINT32 p_max_prec,
97 OPJ_UINT32 p_max_res,
98 OPJ_UINT32 p_dx_min,
99 OPJ_UINT32 p_dy_min);
100
101 /**
102 * Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used).
103 *
104 * @param p_cp the coding parameters to modify
105 * @param p_tileno the tile index being concerned.
106 * @param p_tx0 X0 parameter for the tile
107 * @param p_tx1 X1 parameter for the tile
108 * @param p_ty0 Y0 parameter for the tile
109 * @param p_ty1 Y1 parameter for the tile
110 * @param p_max_prec the maximum precision for all the bands of the tile
111 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
112 * @param dx_min the minimum dx of all the components of all the resolutions for the tile.
113 * @param dy_min the minimum dy of all the components of all the resolutions for the tile.
114 */
115 void pi_update_encode_not_poc (
116 opj_cp_t *p_cp,
117 OPJ_UINT32 p_num_comps,
118 OPJ_UINT32 p_tileno,
119 OPJ_INT32 p_tx0,
120 OPJ_INT32 p_tx1,
121 OPJ_INT32 p_ty0,
122 OPJ_INT32 p_ty1,
123 OPJ_UINT32 p_max_prec,
124 OPJ_UINT32 p_max_res,
125 OPJ_UINT32 p_dx_min,
126 OPJ_UINT32 p_dy_min);
127
128 /**
129 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
130 *
131 * @param p_image the image being encoded.
132 * @param p_cp the coding parameters.
133 * @param tileno the tile index of the tile being encoded.
134 * @param p_tx0 pointer that will hold the X0 parameter for the tile
135 * @param p_tx1 pointer that will hold the X1 parameter for the tile
136 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
137 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
138 * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
139 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
140 * @param dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
141 * @param dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
142 */
143 void get_encoding_parameters(
144 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 /**
158 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
159 * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
160 * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
161 * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
162 * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...
163 *
164 * @param p_image the image being encoded.
165 * @param p_cp the coding parameters.
166 * @param tileno the tile index of the tile being encoded.
167 * @param p_tx0 pointer that will hold the X0 parameter for the tile
168 * @param p_tx1 pointer that will hold the X1 parameter for the tile
169 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
170 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
171 * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
172 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
173 * @param dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
174 * @param dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
175 * @param p_resolutions pointer to an area corresponding to the one described above.
176 */
177 void get_all_encoding_parameters(
178 const opj_image_t *p_image,
179 const opj_cp_t *p_cp,
180 OPJ_UINT32 tileno,
181 OPJ_INT32 * p_tx0,
182 OPJ_INT32 * p_tx1,
183 OPJ_INT32 * p_ty0,
184 OPJ_INT32 * p_ty1,
185 OPJ_UINT32 * p_dx_min,
186 OPJ_UINT32 * p_dy_min,
187 OPJ_UINT32 * p_max_prec,
188 OPJ_UINT32 * p_max_res,
189 OPJ_UINT32 ** p_resolutions
190 );
191 /**
192 * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
193 * No other data is set. The include section of the packet iterator is not allocated.
194 *
195 * @param p_image the image used to initialize the packet iterator (in fact only the number of components is relevant.
196 * @param p_cp the coding parameters.
197 * @param p_tile_no the index of the tile from which creating the packet iterator.
198 */
199 opj_pi_iterator_t * pi_create(
200 const opj_image_t *image,
201 const opj_cp_t *cp,
202 OPJ_UINT32 tileno
203 );
204 void 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);
205 void 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);
206
207
208 /*@}*/
209
210 /*@}*/
211
212 /*
213 ==========================================================
214 local functions
215 ==========================================================
216 */
217
pi_next_lrcp(opj_pi_iterator_t * pi)218 static bool pi_next_lrcp(opj_pi_iterator_t * pi) {
219 opj_pi_comp_t *comp = 00;
220 opj_pi_resolution_t *res = 00;
221 OPJ_UINT32 indexvalue = 0;
222
223 if (!pi->first) {
224 comp = &pi->comps[pi->compno];
225 res = &comp->resolutions[pi->resno];
226 goto LABEL_SKIP;
227 } else {
228 pi->first = 0;
229 }
230
231 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
232 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
233 pi->resno++) {
234 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
235 comp = &pi->comps[pi->compno];
236 if (pi->resno >= comp->numresolutions) {
237 continue;
238 }
239 res = &comp->resolutions[pi->resno];
240 if (!pi->tp_on){
241 pi->poc.precno1 = res->pw * res->ph;
242 }
243 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
244 indexvalue = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
245 if (!pi->include[indexvalue]) {
246 pi->include[indexvalue] = 1;
247 return true;
248 }
249 LABEL_SKIP:;
250 }
251 }
252 }
253 }
254
255 return false;
256 }
257
pi_next_rlcp(opj_pi_iterator_t * pi)258 static bool pi_next_rlcp(opj_pi_iterator_t * pi) {
259 opj_pi_comp_t *comp = 00;
260 opj_pi_resolution_t *res = 00;
261 OPJ_UINT32 indexvalue = 0;
262
263 if (!pi->first) {
264 comp = &pi->comps[pi->compno];
265 res = &comp->resolutions[pi->resno];
266 goto LABEL_SKIP;
267 } else {
268 pi->first = 0;
269 }
270
271 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
272 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
273 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
274 comp = &pi->comps[pi->compno];
275 if (pi->resno >= comp->numresolutions) {
276 continue;
277 }
278 res = &comp->resolutions[pi->resno];
279 if(!pi->tp_on){
280 pi->poc.precno1 = res->pw * res->ph;
281 }
282 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
283 indexvalue = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
284 if (!pi->include[indexvalue]) {
285 pi->include[indexvalue] = 1;
286 return true;
287 }
288 LABEL_SKIP:;
289 }
290 }
291 }
292 }
293
294 return false;
295 }
296
pi_next_rpcl(opj_pi_iterator_t * pi)297 static bool pi_next_rpcl(opj_pi_iterator_t * pi) {
298 opj_pi_comp_t *comp = 00;
299 opj_pi_resolution_t *res = 00;
300 OPJ_UINT32 indexvalue = 0;
301
302 if (!pi->first) {
303 goto LABEL_SKIP;
304 } else {
305 OPJ_UINT32 compno, resno;
306 pi->first = 0;
307 pi->dx = 0;
308 pi->dy = 0;
309 for (compno = 0; compno < pi->numcomps; compno++) {
310 comp = &pi->comps[compno];
311 for (resno = 0; resno < comp->numresolutions; resno++) {
312 OPJ_INT32 dx, dy; // comp->dx is signed, so dx,dy must be as well.
313 res = &comp->resolutions[resno];
314 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
315 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
316 pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
317 pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
318 }
319 }
320 }
321 if (!pi->tp_on){
322 pi->poc.ty0 = pi->ty0;
323 pi->poc.tx0 = pi->tx0;
324 pi->poc.ty1 = pi->ty1;
325 pi->poc.tx1 = pi->tx1;
326 }
327 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
328 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
329 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
330 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
331 OPJ_UINT32 levelno;
332 OPJ_INT32 trx0, try0;
333 OPJ_INT32 trx1, try1;
334 OPJ_UINT32 rpx, rpy;
335 OPJ_INT32 prci, prcj;
336 comp = &pi->comps[pi->compno];
337 if (pi->resno >= comp->numresolutions) {
338 continue;
339 }
340 res = &comp->resolutions[pi->resno];
341 levelno = comp->numresolutions - 1 - pi->resno;
342 trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
343 try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
344 trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
345 try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
346 rpx = res->pdx + levelno;
347 rpy = res->pdy + levelno;
348 if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
349 continue;
350 }
351 if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
352 continue;
353 }
354
355 if ((res->pw==0)||(res->ph==0)) continue;
356
357 if ((trx0==trx1)||(try0==try1)) continue;
358
359 prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
360 - int_floordivpow2(trx0, res->pdx);
361 prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
362 - int_floordivpow2(try0, res->pdy);
363 pi->precno = prci + prcj * res->pw;
364 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
365 indexvalue = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
366 if (!pi->include[indexvalue]) {
367 pi->include[indexvalue] = 1;
368 return true;
369 }
370 LABEL_SKIP:;
371 }
372 }
373 }
374 }
375 }
376
377 return false;
378 }
379
pi_next_pcrl(opj_pi_iterator_t * pi)380 static bool pi_next_pcrl(opj_pi_iterator_t * pi) {
381 opj_pi_comp_t *comp = 00;
382 opj_pi_resolution_t *res = 00;
383 OPJ_UINT32 indexvalue = 0;
384
385 if (!pi->first) {
386 comp = &pi->comps[pi->compno];
387 goto LABEL_SKIP;
388 } else {
389 OPJ_UINT32 compno, resno;
390 pi->first = 0;
391 pi->dx = 0;
392 pi->dy = 0;
393 for (compno = 0; compno < pi->numcomps; compno++) {
394 comp = &pi->comps[compno];
395 for (resno = 0; resno < comp->numresolutions; resno++) {
396 OPJ_INT32 dx, dy; // comp->dx is signed, so dx,dy must be as well.
397 res = &comp->resolutions[resno];
398 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
399 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
400 pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
401 pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
402 }
403 }
404 }
405 if (!pi->tp_on){
406 pi->poc.ty0 = pi->ty0;
407 pi->poc.tx0 = pi->tx0;
408 pi->poc.ty1 = pi->ty1;
409 pi->poc.tx1 = pi->tx1;
410 }
411 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
412 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
413 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
414 comp = &pi->comps[pi->compno];
415 // TODO
416 for (pi->resno = pi->poc.resno0; pi->resno < uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
417 OPJ_UINT32 levelno;
418 OPJ_INT32 trx0, try0;
419 OPJ_INT32 trx1, try1;
420 OPJ_UINT32 rpx, rpy;
421 OPJ_INT32 prci, prcj;
422 res = &comp->resolutions[pi->resno];
423 levelno = comp->numresolutions - 1 - pi->resno;
424 trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
425 try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
426 trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
427 try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
428 rpx = res->pdx + levelno;
429 rpy = res->pdy + levelno;
430 if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
431 continue;
432 }
433 if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
434 continue;
435 }
436
437 if ((res->pw==0)||(res->ph==0)) continue;
438
439 if ((trx0==trx1)||(try0==try1)) continue;
440
441 prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
442 - int_floordivpow2(trx0, res->pdx);
443 prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
444 - int_floordivpow2(try0, res->pdy);
445 pi->precno = prci + prcj * res->pw;
446 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
447 indexvalue = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
448 if (!pi->include[indexvalue]) {
449 pi->include[indexvalue] = 1;
450 return true;
451 }
452 LABEL_SKIP:;
453 }
454 }
455 }
456 }
457 }
458
459 return false;
460 }
461
pi_next_cprl(opj_pi_iterator_t * pi)462 static bool pi_next_cprl(opj_pi_iterator_t * pi) {
463 opj_pi_comp_t *comp = 00;
464 opj_pi_resolution_t *res = 00;
465 OPJ_UINT32 indexvalue = 0;
466
467 if (!pi->first) {
468 comp = &pi->comps[pi->compno];
469 goto LABEL_SKIP;
470 } else {
471 pi->first = 0;
472 }
473
474 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
475 OPJ_UINT32 resno;
476 comp = &pi->comps[pi->compno];
477 pi->dx = 0;
478 pi->dy = 0;
479 for (resno = 0; resno < comp->numresolutions; resno++) {
480 OPJ_INT32 dx, dy; // comp->dx is signed, so dx,dy must be as well.
481 res = &comp->resolutions[resno];
482 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
483 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
484 pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
485 pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
486 }
487 if (!pi->tp_on){
488 pi->poc.ty0 = pi->ty0;
489 pi->poc.tx0 = pi->tx0;
490 pi->poc.ty1 = pi->ty1;
491 pi->poc.tx1 = pi->tx1;
492 }
493 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
494 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
495 // TODO
496 for (pi->resno = pi->poc.resno0; pi->resno < uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
497 OPJ_UINT32 levelno;
498 OPJ_INT32 trx0, try0;
499 OPJ_INT32 trx1, try1;
500 OPJ_UINT32 rpx, rpy;
501 OPJ_INT32 prci, prcj;
502 res = &comp->resolutions[pi->resno];
503 levelno = comp->numresolutions - 1 - pi->resno;
504 trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
505 try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
506 trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
507 try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
508 rpx = res->pdx + levelno;
509 rpy = res->pdy + levelno;
510 if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
511 continue;
512 }
513 if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
514 continue;
515 }
516
517 if ((res->pw==0)||(res->ph==0)) continue;
518
519 if ((trx0==trx1)||(try0==try1)) continue;
520
521 prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
522 - int_floordivpow2(trx0, res->pdx);
523 prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
524 - int_floordivpow2(try0, res->pdy);
525 pi->precno = prci + prcj * res->pw;
526 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
527 indexvalue = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
528 if (!pi->include[indexvalue]) {
529 pi->include[indexvalue] = 1;
530 return true;
531 }
532 LABEL_SKIP:;
533 }
534 }
535 }
536 }
537 }
538
539 return false;
540 }
541
542 /*
543 ==========================================================
544 Packet iterator interface
545 ==========================================================
546 */
pi_create_decode(opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)547 opj_pi_iterator_t *pi_create_decode(
548 opj_image_t *p_image,
549 opj_cp_t *p_cp,
550 OPJ_UINT32 p_tile_no
551 )
552 {
553 // loop
554 OPJ_UINT32 pino;
555 OPJ_UINT32 compno, resno;
556
557 // to store w, h, dx and dy fro all components and resolutions
558 OPJ_UINT32 * l_tmp_data;
559 OPJ_UINT32 ** l_tmp_ptr;
560
561 // encoding prameters to set
562 OPJ_UINT32 l_max_res;
563 OPJ_UINT32 l_max_prec;
564 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
565 OPJ_UINT32 l_dx_min,l_dy_min;
566 OPJ_UINT32 l_bound;
567 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
568 OPJ_UINT32 l_data_stride;
569
570 // pointers
571 opj_pi_iterator_t *l_pi = 00;
572 opj_tcp_t *l_tcp = 00;
573 const opj_tccp_t *l_tccp = 00;
574 opj_pi_comp_t *l_current_comp = 00;
575 opj_image_comp_t * l_img_comp = 00;
576 opj_pi_iterator_t * l_current_pi = 00;
577 OPJ_UINT32 * l_encoding_value_ptr = 00;
578
579 // preconditions in debug
580 assert(p_cp != 00);
581 assert(p_image != 00);
582 assert(p_tile_no < p_cp->tw * p_cp->th);
583
584 // initializations
585 l_tcp = &p_cp->tcps[p_tile_no];
586 l_bound = l_tcp->numpocs+1;
587
588 l_data_stride = 4 * J2K_MAXRLVLS;
589 l_tmp_data = (OPJ_UINT32*)opj_malloc(
590 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
591 if
592 (! l_tmp_data)
593 {
594 return 00;
595 }
596 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
597 p_image->numcomps * sizeof(OPJ_UINT32 *));
598 if
599 (! l_tmp_ptr)
600 {
601 opj_free(l_tmp_data);
602 return 00;
603 }
604
605 // memory allocation for pi
606 l_pi = pi_create(p_image,p_cp,p_tile_no);
607 if
608 (!l_pi)
609 {
610 opj_free(l_tmp_data);
611 opj_free(l_tmp_ptr);
612 return 00;
613 }
614
615 l_encoding_value_ptr = l_tmp_data;
616 // update pointer array
617 for
618 (compno = 0; compno < p_image->numcomps; ++compno)
619 {
620 l_tmp_ptr[compno] = l_encoding_value_ptr;
621 l_encoding_value_ptr += l_data_stride;
622 }
623 // get encoding parameters
624 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);
625
626 // step calculations
627 l_step_p = 1;
628 l_step_c = l_max_prec * l_step_p;
629 l_step_r = p_image->numcomps * l_step_c;
630 l_step_l = l_max_res * l_step_r;
631
632 // set values for first packet iterator
633 l_current_pi = l_pi;
634
635 // memory allocation for include
636 l_current_pi->include = (OPJ_INT16*) opj_calloc(l_tcp->numlayers * l_step_l, sizeof(OPJ_INT16));
637 if
638 (!l_current_pi->include)
639 {
640 opj_free(l_tmp_data);
641 opj_free(l_tmp_ptr);
642 pi_destroy(l_pi, l_bound);
643 return 00;
644 }
645 memset(l_current_pi->include,0,l_tcp->numlayers * l_step_l* sizeof(OPJ_INT16));
646
647 // special treatment for the first packet iterator
648 l_current_comp = l_current_pi->comps;
649 l_img_comp = p_image->comps;
650 l_tccp = l_tcp->tccps;
651
652 l_current_pi->tx0 = l_tx0;
653 l_current_pi->ty0 = l_ty0;
654 l_current_pi->tx1 = l_tx1;
655 l_current_pi->ty1 = l_ty1;
656
657 //l_current_pi->dx = l_img_comp->dx;
658 //l_current_pi->dy = l_img_comp->dy;
659
660 l_current_pi->step_p = l_step_p;
661 l_current_pi->step_c = l_step_c;
662 l_current_pi->step_r = l_step_r;
663 l_current_pi->step_l = l_step_l;
664
665 /* allocation for components and number of components has already been calculated by pi_create */
666 for
667 (compno = 0; compno < l_current_pi->numcomps; ++compno)
668 {
669 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
670 l_encoding_value_ptr = l_tmp_ptr[compno];
671
672 l_current_comp->dx = l_img_comp->dx;
673 l_current_comp->dy = l_img_comp->dy;
674 /* resolutions have already been initialized */
675 for
676 (resno = 0; resno < l_current_comp->numresolutions; resno++)
677 {
678 l_res->pdx = *(l_encoding_value_ptr++);
679 l_res->pdy = *(l_encoding_value_ptr++);
680 l_res->pw = *(l_encoding_value_ptr++);
681 l_res->ph = *(l_encoding_value_ptr++);
682 ++l_res;
683 }
684 ++l_current_comp;
685 ++l_img_comp;
686 ++l_tccp;
687 }
688 ++l_current_pi;
689
690 for
691 (pino = 1 ; pino<l_bound ; ++pino )
692 {
693 opj_pi_comp_t *l_current_comp_v = l_current_pi->comps;
694 opj_image_comp_t * l_img_comp_v = p_image->comps;
695 l_tccp = l_tcp->tccps;
696
697 l_current_pi->tx0 = l_tx0;
698 l_current_pi->ty0 = l_ty0;
699 l_current_pi->tx1 = l_tx1;
700 l_current_pi->ty1 = l_ty1;
701 //l_current_pi->dx = l_dx_min;
702 //l_current_pi->dy = l_dy_min;
703 l_current_pi->step_p = l_step_p;
704 l_current_pi->step_c = l_step_c;
705 l_current_pi->step_r = l_step_r;
706 l_current_pi->step_l = l_step_l;
707
708 /* allocation for components and number of components has already been calculated by pi_create */
709 for
710 (compno = 0; compno < l_current_pi->numcomps; ++compno)
711 {
712 opj_pi_resolution_t *l_res = l_current_comp_v->resolutions;
713 l_encoding_value_ptr = l_tmp_ptr[compno];
714
715 l_current_comp_v->dx = l_img_comp_v->dx;
716 l_current_comp_v->dy = l_img_comp_v->dy;
717 /* resolutions have already been initialized */
718 for
719 (resno = 0; resno < l_current_comp_v->numresolutions; resno++)
720 {
721 l_res->pdx = *(l_encoding_value_ptr++);
722 l_res->pdy = *(l_encoding_value_ptr++);
723 l_res->pw = *(l_encoding_value_ptr++);
724 l_res->ph = *(l_encoding_value_ptr++);
725 ++l_res;
726 }
727 ++l_current_comp_v;
728 ++l_img_comp_v;
729 ++l_tccp;
730 }
731 // special treatment
732 l_current_pi->include = (l_current_pi-1)->include;
733 ++l_current_pi;
734 }
735 opj_free(l_tmp_data);
736 l_tmp_data = 00;
737 opj_free(l_tmp_ptr);
738 l_tmp_ptr = 00;
739 if
740 (l_tcp->POC)
741 {
742 pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
743 }
744 else
745 {
746 pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
747 }
748 return l_pi;
749 }
750
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)751 void 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)
752 {
753 // loop
754 OPJ_UINT32 pino;
755
756 // encoding prameters to set
757 OPJ_UINT32 l_bound;
758
759 opj_pi_iterator_t * l_current_pi = 00;
760 opj_poc_t* l_current_poc = 0;
761
762 // preconditions in debug
763 assert(p_pi != 00);
764 assert(p_tcp != 00);
765
766 // initializations
767 l_bound = p_tcp->numpocs+1;
768 l_current_pi = p_pi;
769 l_current_poc = p_tcp->pocs;
770
771 for
772 (pino = 0;pino<l_bound;++pino)
773 {
774 l_current_pi->poc.prg = l_current_poc->prg;
775 l_current_pi->first = 1;
776
777 l_current_pi->poc.resno0 = l_current_poc->resno0;
778 l_current_pi->poc.compno0 = l_current_poc->compno0;
779 l_current_pi->poc.layno0 = 0;
780 l_current_pi->poc.precno0 = 0;
781 l_current_pi->poc.resno1 = l_current_poc->resno1;
782 l_current_pi->poc.compno1 = l_current_poc->compno1;
783 l_current_pi->poc.layno1 = l_current_poc->layno1;
784 l_current_pi->poc.precno1 = p_max_precision;
785 ++l_current_pi;
786 ++l_current_poc;
787 }
788 }
789
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)790 void 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)
791 {
792 // loop
793 OPJ_UINT32 pino;
794
795 // encoding prameters to set
796 OPJ_UINT32 l_bound;
797
798 opj_pi_iterator_t * l_current_pi = 00;
799 // preconditions in debug
800 assert(p_tcp != 00);
801 assert(p_pi != 00);
802
803 // initializations
804 l_bound = p_tcp->numpocs+1;
805 l_current_pi = p_pi;
806
807 for
808 (pino = 0;pino<l_bound;++pino)
809 {
810 l_current_pi->poc.prg = p_tcp->prg;
811 l_current_pi->first = 1;
812 l_current_pi->poc.resno0 = 0;
813 l_current_pi->poc.compno0 = 0;
814 l_current_pi->poc.layno0 = 0;
815 l_current_pi->poc.precno0 = 0;
816 l_current_pi->poc.resno1 = p_max_res;
817 l_current_pi->poc.compno1 = l_current_pi->numcomps;
818 l_current_pi->poc.layno1 = p_tcp->numlayers;
819 l_current_pi->poc.precno1 = p_max_precision;
820 ++l_current_pi;
821 }
822 }
823
824 /**
825 * Creates a packet iterator for encoding.
826 *
827 * @param p_image the image being encoded.
828 * @param p_cp the coding parameters.
829 * @param p_tile_no index of the tile being encoded.
830 * @param p_t2_mode the type of pass for generating the packet iterator
831 * @return a list of packet iterator that points to the first packet of the tile (not true).
832 */
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)833 opj_pi_iterator_t *pi_initialise_encode(
834 const opj_image_t *p_image,
835 opj_cp_t *p_cp,
836 OPJ_UINT32 p_tile_no,
837 J2K_T2_MODE p_t2_mode
838 )
839 {
840 // loop
841 OPJ_UINT32 pino;
842 OPJ_UINT32 compno, resno;
843
844 // to store w, h, dx and dy fro all components and resolutions
845 OPJ_UINT32 * l_tmp_data;
846 OPJ_UINT32 ** l_tmp_ptr;
847
848 // encoding prameters to set
849 OPJ_UINT32 l_max_res;
850 OPJ_UINT32 l_max_prec;
851 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
852 OPJ_UINT32 l_dx_min,l_dy_min;
853 OPJ_UINT32 l_bound;
854 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
855 OPJ_UINT32 l_data_stride;
856
857 // pointers
858 opj_pi_iterator_t *l_pi = 00;
859 opj_tcp_t *l_tcp = 00;
860 const opj_tccp_t *l_tccp = 00;
861 opj_pi_comp_t *l_current_comp = 00;
862 opj_image_comp_t * l_img_comp = 00;
863 opj_pi_iterator_t * l_current_pi = 00;
864 OPJ_UINT32 * l_encoding_value_ptr = 00;
865
866 // preconditions in debug
867 assert(p_cp != 00);
868 assert(p_image != 00);
869 assert(p_tile_no < p_cp->tw * p_cp->th);
870
871 // initializations
872 l_tcp = &p_cp->tcps[p_tile_no];
873 l_bound = l_tcp->numpocs+1;
874
875 l_data_stride = 4 * J2K_MAXRLVLS;
876 l_tmp_data = (OPJ_UINT32*)opj_malloc(
877 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
878 if
879 (! l_tmp_data)
880 {
881 return 00;
882 }
883 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
884 p_image->numcomps * sizeof(OPJ_UINT32 *));
885 if
886 (! l_tmp_ptr)
887 {
888 opj_free(l_tmp_data);
889 return 00;
890 }
891
892 // memory allocation for pi
893 l_pi = pi_create(p_image,p_cp,p_tile_no);
894 if
895 (!l_pi)
896 {
897 opj_free(l_tmp_data);
898 opj_free(l_tmp_ptr);
899 return 00;
900 }
901
902 l_encoding_value_ptr = l_tmp_data;
903 // update pointer array
904 for
905 (compno = 0; compno < p_image->numcomps; ++compno)
906 {
907 l_tmp_ptr[compno] = l_encoding_value_ptr;
908 l_encoding_value_ptr += l_data_stride;
909 }
910 // get encoding parameters
911 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);
912
913 // step calculations
914 l_step_p = 1;
915 l_step_c = l_max_prec * l_step_p;
916 l_step_r = p_image->numcomps * l_step_c;
917 l_step_l = l_max_res * l_step_r;
918
919 // set values for first packet iterator
920 l_pi->tp_on = p_cp->m_specific_param.m_enc.m_tp_on;
921 l_current_pi = l_pi;
922
923 // memory allocation for include
924 l_current_pi->include = (OPJ_INT16*) opj_calloc(l_tcp->numlayers * l_step_l, sizeof(OPJ_INT16));
925 if
926 (!l_current_pi->include)
927 {
928 opj_free(l_tmp_data);
929 opj_free(l_tmp_ptr);
930 pi_destroy(l_pi, l_bound);
931 return 00;
932 }
933 memset(l_current_pi->include,0,l_tcp->numlayers * l_step_l* sizeof(OPJ_INT16));
934
935 // special treatment for the first packet iterator
936 l_current_comp = l_current_pi->comps;
937 l_img_comp = p_image->comps;
938 l_tccp = l_tcp->tccps;
939 l_current_pi->tx0 = l_tx0;
940 l_current_pi->ty0 = l_ty0;
941 l_current_pi->tx1 = l_tx1;
942 l_current_pi->ty1 = l_ty1;
943 l_current_pi->dx = l_dx_min;
944 l_current_pi->dy = l_dy_min;
945 l_current_pi->step_p = l_step_p;
946 l_current_pi->step_c = l_step_c;
947 l_current_pi->step_r = l_step_r;
948 l_current_pi->step_l = l_step_l;
949
950 /* allocation for components and number of components has already been calculated by pi_create */
951 for
952 (compno = 0; compno < l_current_pi->numcomps; ++compno)
953 {
954 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
955 l_encoding_value_ptr = l_tmp_ptr[compno];
956
957 l_current_comp->dx = l_img_comp->dx;
958 l_current_comp->dy = l_img_comp->dy;
959 /* resolutions have already been initialized */
960 for
961 (resno = 0; resno < l_current_comp->numresolutions; resno++)
962 {
963 l_res->pdx = *(l_encoding_value_ptr++);
964 l_res->pdy = *(l_encoding_value_ptr++);
965 l_res->pw = *(l_encoding_value_ptr++);
966 l_res->ph = *(l_encoding_value_ptr++);
967 ++l_res;
968 }
969 ++l_current_comp;
970 ++l_img_comp;
971 ++l_tccp;
972 }
973 ++l_current_pi;
974
975 for
976 (pino = 1 ; pino<l_bound ; ++pino )
977 {
978 opj_pi_comp_t *l_current_comp_v = l_current_pi->comps;
979 opj_image_comp_t * l_img_comp_v = p_image->comps;
980 l_tccp = l_tcp->tccps;
981
982 l_current_pi->tx0 = l_tx0;
983 l_current_pi->ty0 = l_ty0;
984 l_current_pi->tx1 = l_tx1;
985 l_current_pi->ty1 = l_ty1;
986 l_current_pi->dx = l_dx_min;
987 l_current_pi->dy = l_dy_min;
988 l_current_pi->step_p = l_step_p;
989 l_current_pi->step_c = l_step_c;
990 l_current_pi->step_r = l_step_r;
991 l_current_pi->step_l = l_step_l;
992
993 /* allocation for components and number of components has already been calculated by pi_create */
994 for
995 (compno = 0; compno < l_current_pi->numcomps; ++compno)
996 {
997 opj_pi_resolution_t *l_res = l_current_comp_v->resolutions;
998 l_encoding_value_ptr = l_tmp_ptr[compno];
999
1000 l_current_comp_v->dx = l_img_comp_v->dx;
1001 l_current_comp_v->dy = l_img_comp_v->dy;
1002 /* resolutions have already been initialized */
1003 for
1004 (resno = 0; resno < l_current_comp_v->numresolutions; resno++)
1005 {
1006 l_res->pdx = *(l_encoding_value_ptr++);
1007 l_res->pdy = *(l_encoding_value_ptr++);
1008 l_res->pw = *(l_encoding_value_ptr++);
1009 l_res->ph = *(l_encoding_value_ptr++);
1010 ++l_res;
1011 }
1012 ++l_current_comp_v;
1013 ++l_img_comp_v;
1014 ++l_tccp;
1015 }
1016 // special treatment
1017 l_current_pi->include = (l_current_pi-1)->include;
1018 ++l_current_pi;
1019 }
1020 opj_free(l_tmp_data);
1021 l_tmp_data = 00;
1022 opj_free(l_tmp_ptr);
1023 l_tmp_ptr = 00;
1024 if
1025 (l_tcp->POC && ( p_cp->m_specific_param.m_enc.m_cinema || p_t2_mode == FINAL_PASS))
1026 {
1027 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);
1028 }
1029 else
1030 {
1031 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);
1032 }
1033 return l_pi;
1034 }
1035
1036 /**
1037 * Updates the encoding parameters of the codec.
1038 *
1039 * @param p_image the image being encoded.
1040 * @param p_cp the coding parameters.
1041 * @param p_tile_no index of the tile being encoded.
1042 */
pi_update_encoding_parameters(const opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)1043 void pi_update_encoding_parameters(
1044 const opj_image_t *p_image,
1045 opj_cp_t *p_cp,
1046 OPJ_UINT32 p_tile_no
1047 )
1048 {
1049 // encoding prameters to set
1050 OPJ_UINT32 l_max_res;
1051 OPJ_UINT32 l_max_prec;
1052 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1053 OPJ_UINT32 l_dx_min,l_dy_min;
1054
1055 // pointers
1056 opj_tcp_t *l_tcp = 00;
1057
1058 // preconditions in debug
1059 assert(p_cp != 00);
1060 assert(p_image != 00);
1061 assert(p_tile_no < p_cp->tw * p_cp->th);
1062
1063 l_tcp = &(p_cp->tcps[p_tile_no]);
1064 // get encoding parameters
1065 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);
1066 if
1067 (l_tcp->POC)
1068 {
1069 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);
1070 }
1071 else
1072 {
1073 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);
1074 }
1075 }
1076
1077
1078 /**
1079 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
1080 *
1081 * @param p_image the image being encoded.
1082 * @param p_cp the coding parameters.
1083 * @param p_tileno the tile index of the tile being encoded.
1084 * @param p_tx0 pointer that will hold the X0 parameter for the tile
1085 * @param p_tx1 pointer that will hold the X1 parameter for the tile
1086 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
1087 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
1088 * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
1089 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
1090 * @param dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
1091 * @param dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
1092 */
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)1093 void get_encoding_parameters(
1094 const opj_image_t *p_image,
1095 const opj_cp_t *p_cp,
1096 OPJ_UINT32 p_tileno,
1097 OPJ_INT32 * p_tx0,
1098 OPJ_INT32 * p_tx1,
1099 OPJ_INT32 * p_ty0,
1100 OPJ_INT32 * p_ty1,
1101 OPJ_UINT32 * p_dx_min,
1102 OPJ_UINT32 * p_dy_min,
1103 OPJ_UINT32 * p_max_prec,
1104 OPJ_UINT32 * p_max_res
1105 )
1106 {
1107 // loop
1108 OPJ_UINT32 compno, resno;
1109 // pointers
1110 const opj_tcp_t *l_tcp = 00;
1111 const opj_tccp_t * l_tccp = 00;
1112 const opj_image_comp_t * l_img_comp = 00;
1113
1114 // position in x and y of tile
1115 OPJ_UINT32 p, q;
1116
1117 // preconditions in debug
1118 assert(p_cp != 00);
1119 assert(p_image != 00);
1120 assert(p_tileno < p_cp->tw * p_cp->th);
1121
1122 // initializations
1123 l_tcp = &p_cp->tcps [p_tileno];
1124 l_img_comp = p_image->comps;
1125 l_tccp = l_tcp->tccps;
1126
1127 /* here calculation of tx0, tx1, ty0, ty1, maxprec, dx and dy */
1128 p = p_tileno % p_cp->tw;
1129 q = p_tileno / p_cp->tw;
1130
1131 // find extent of tile
1132 *p_tx0 = int_max(p_cp->tx0 + p * p_cp->tdx, p_image->x0);
1133 *p_tx1 = int_min(p_cp->tx0 + (p + 1) * p_cp->tdx, p_image->x1);
1134 *p_ty0 = int_max(p_cp->ty0 + q * p_cp->tdy, p_image->y0);
1135 *p_ty1 = int_min(p_cp->ty0 + (q + 1) * p_cp->tdy, p_image->y1);
1136
1137 // max precision is 0 (can only grow)
1138 *p_max_prec = 0;
1139 *p_max_res = 0;
1140
1141 // take the largest value for dx_min and dy_min
1142 *p_dx_min = 0x7fffffff;
1143 *p_dy_min = 0x7fffffff;
1144
1145 for
1146 (compno = 0; compno < p_image->numcomps; ++compno)
1147 {
1148 // aritmetic variables to calculate
1149 OPJ_UINT32 l_level_no;
1150 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
1151 OPJ_INT32 l_px0, l_py0, l_px1, py1;
1152 OPJ_UINT32 l_pdx, l_pdy;
1153 OPJ_UINT32 l_pw, l_ph;
1154 OPJ_UINT32 l_product;
1155 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
1156
1157 l_tcx0 = int_ceildiv(*p_tx0, l_img_comp->dx);
1158 l_tcy0 = int_ceildiv(*p_ty0, l_img_comp->dy);
1159 l_tcx1 = int_ceildiv(*p_tx1, l_img_comp->dx);
1160 l_tcy1 = int_ceildiv(*p_ty1, l_img_comp->dy);
1161 if
1162 (l_tccp->numresolutions > *p_max_res)
1163 {
1164 *p_max_res = l_tccp->numresolutions;
1165 }
1166 // use custom size for precincts
1167 for
1168 (resno = 0; resno < l_tccp->numresolutions; ++resno)
1169 {
1170 OPJ_UINT32 l_dx, l_dy;
1171 // precinct width and height
1172 l_pdx = l_tccp->prcw[resno];
1173 l_pdy = l_tccp->prch[resno];
1174
1175 l_dx = l_img_comp->dx * (1 << (l_pdx + l_tccp->numresolutions - 1 - resno));
1176 l_dy = l_img_comp->dy * (1 << (l_pdy + l_tccp->numresolutions - 1 - resno));
1177 // take the minimum size for dx for each comp and resolution
1178 *p_dx_min = uint_min(*p_dx_min, l_dx);
1179 *p_dy_min = uint_min(*p_dy_min, l_dy);
1180 // various calculations of extents
1181 l_level_no = l_tccp->numresolutions - 1 - resno;
1182 l_rx0 = int_ceildivpow2(l_tcx0, l_level_no);
1183 l_ry0 = int_ceildivpow2(l_tcy0, l_level_no);
1184 l_rx1 = int_ceildivpow2(l_tcx1, l_level_no);
1185 l_ry1 = int_ceildivpow2(l_tcy1, l_level_no);
1186 l_px0 = int_floordivpow2(l_rx0, l_pdx) << l_pdx;
1187 l_py0 = int_floordivpow2(l_ry0, l_pdy) << l_pdy;
1188 l_px1 = int_ceildivpow2(l_rx1, l_pdx) << l_pdx;
1189 py1 = int_ceildivpow2(l_ry1, l_pdy) << l_pdy;
1190 l_pw = (l_rx0==l_rx1)?0:((l_px1 - l_px0) >> l_pdx);
1191 l_ph = (l_ry0==l_ry1)?0:((py1 - l_py0) >> l_pdy);
1192 l_product = l_pw * l_ph;
1193 // update precision
1194 if
1195 (l_product > *p_max_prec)
1196 {
1197 *p_max_prec = l_product;
1198 }
1199 }
1200 ++l_img_comp;
1201 ++l_tccp;
1202 }
1203 }
1204
1205 /**
1206 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
1207 * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
1208 * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
1209 * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
1210 * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...
1211 *
1212 * @param p_image the image being encoded.
1213 * @param p_cp the coding parameters.
1214 * @param tileno the tile index of the tile being encoded.
1215 * @param p_tx0 pointer that will hold the X0 parameter for the tile
1216 * @param p_tx1 pointer that will hold the X1 parameter for the tile
1217 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
1218 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
1219 * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
1220 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
1221 * @param dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
1222 * @param dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
1223 * @param p_resolutions pointer to an area corresponding to the one described above.
1224 */
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)1225 void get_all_encoding_parameters(
1226 const opj_image_t *p_image,
1227 const opj_cp_t *p_cp,
1228 OPJ_UINT32 tileno,
1229 OPJ_INT32 * p_tx0,
1230 OPJ_INT32 * p_tx1,
1231 OPJ_INT32 * p_ty0,
1232 OPJ_INT32 * p_ty1,
1233 OPJ_UINT32 * p_dx_min,
1234 OPJ_UINT32 * p_dy_min,
1235 OPJ_UINT32 * p_max_prec,
1236 OPJ_UINT32 * p_max_res,
1237 OPJ_UINT32 ** p_resolutions
1238 )
1239 {
1240 // loop
1241 OPJ_UINT32 compno, resno;
1242
1243 // pointers
1244 const opj_tcp_t *tcp = 00;
1245 const opj_tccp_t * l_tccp = 00;
1246 const opj_image_comp_t * l_img_comp = 00;
1247
1248 // to store l_dx, l_dy, w and h for each resolution and component.
1249 OPJ_UINT32 * lResolutionPtr;
1250
1251 // position in x and y of tile
1252 OPJ_UINT32 p, q;
1253
1254 // preconditions in debug
1255 assert(p_cp != 00);
1256 assert(p_image != 00);
1257 assert(tileno < p_cp->tw * p_cp->th);
1258
1259 // initializations
1260 tcp = &p_cp->tcps [tileno];
1261 l_tccp = tcp->tccps;
1262 l_img_comp = p_image->comps;
1263
1264 // position in x and y of tile
1265
1266 p = tileno % p_cp->tw;
1267 q = tileno / p_cp->tw;
1268
1269 /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
1270 *p_tx0 = int_max(p_cp->tx0 + p * p_cp->tdx, p_image->x0);
1271 *p_tx1 = int_min(p_cp->tx0 + (p + 1) * p_cp->tdx, p_image->x1);
1272 *p_ty0 = int_max(p_cp->ty0 + q * p_cp->tdy, p_image->y0);
1273 *p_ty1 = int_min(p_cp->ty0 + (q + 1) * p_cp->tdy, p_image->y1);
1274
1275 // max precision and resolution is 0 (can only grow)
1276 *p_max_prec = 0;
1277 *p_max_res = 0;
1278
1279 // take the largest value for dx_min and dy_min
1280 *p_dx_min = 0x7fffffff;
1281 *p_dy_min = 0x7fffffff;
1282
1283 for
1284 (compno = 0; compno < p_image->numcomps; ++compno)
1285 {
1286 // aritmetic variables to calculate
1287 OPJ_UINT32 l_level_no;
1288 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
1289 OPJ_INT32 l_px0, l_py0, l_px1, py1;
1290 OPJ_UINT32 l_product;
1291 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
1292 OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph;
1293
1294 lResolutionPtr = p_resolutions[compno];
1295
1296 l_tcx0 = int_ceildiv(*p_tx0, l_img_comp->dx);
1297 l_tcy0 = int_ceildiv(*p_ty0, l_img_comp->dy);
1298 l_tcx1 = int_ceildiv(*p_tx1, l_img_comp->dx);
1299 l_tcy1 = int_ceildiv(*p_ty1, l_img_comp->dy);
1300 if
1301 (l_tccp->numresolutions > *p_max_res)
1302 {
1303 *p_max_res = l_tccp->numresolutions;
1304 }
1305
1306 // use custom size for precincts
1307 l_level_no = l_tccp->numresolutions - 1;
1308 for
1309 (resno = 0; resno < l_tccp->numresolutions; ++resno)
1310 {
1311 OPJ_UINT32 l_dx, l_dy;
1312 // precinct width and height
1313 l_pdx = l_tccp->prcw[resno];
1314 l_pdy = l_tccp->prch[resno];
1315 *lResolutionPtr++ = l_pdx;
1316 *lResolutionPtr++ = l_pdy;
1317 l_dx = l_img_comp->dx * (1 << (l_pdx + l_level_no));
1318 l_dy = l_img_comp->dy * (1 << (l_pdy + l_level_no));
1319 // take the minimum size for l_dx for each comp and resolution
1320 *p_dx_min = int_min(*p_dx_min, l_dx);
1321 *p_dy_min = int_min(*p_dy_min, l_dy);
1322 // various calculations of extents
1323
1324 l_rx0 = int_ceildivpow2(l_tcx0, l_level_no);
1325 l_ry0 = int_ceildivpow2(l_tcy0, l_level_no);
1326 l_rx1 = int_ceildivpow2(l_tcx1, l_level_no);
1327 l_ry1 = int_ceildivpow2(l_tcy1, l_level_no);
1328 l_px0 = int_floordivpow2(l_rx0, l_pdx) << l_pdx;
1329 l_py0 = int_floordivpow2(l_ry0, l_pdy) << l_pdy;
1330 l_px1 = int_ceildivpow2(l_rx1, l_pdx) << l_pdx;
1331 py1 = int_ceildivpow2(l_ry1, l_pdy) << l_pdy;
1332 l_pw = (l_rx0==l_rx1)?0:((l_px1 - l_px0) >> l_pdx);
1333 l_ph = (l_ry0==l_ry1)?0:((py1 - l_py0) >> l_pdy);
1334 *lResolutionPtr++ = l_pw;
1335 *lResolutionPtr++ = l_ph;
1336 l_product = l_pw * l_ph;
1337 // update precision
1338 if
1339 (l_product > *p_max_prec)
1340 {
1341 *p_max_prec = l_product;
1342 }
1343 --l_level_no;
1344 }
1345 ++l_tccp;
1346 ++l_img_comp;
1347 }
1348 }
1349
1350 /**
1351 * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
1352 * No other data is set. The include section of the packet iterator is not allocated.
1353 *
1354 * @param p_image the image used to initialize the packet iterator (in fact only the number of components is relevant.
1355 * @param p_cp the coding parameters.
1356 * @param p_tile_no the index of the tile from which creating the packet iterator.
1357 */
pi_create(const opj_image_t * image,const opj_cp_t * cp,OPJ_UINT32 tileno)1358 opj_pi_iterator_t * pi_create(
1359 const opj_image_t *image,
1360 const opj_cp_t *cp,
1361 OPJ_UINT32 tileno
1362 )
1363 {
1364 // loop
1365 OPJ_UINT32 pino, compno;
1366 // number of poc in the p_pi
1367 OPJ_UINT32 l_poc_bound;
1368
1369 // pointers to tile coding parameters and components.
1370 opj_pi_iterator_t *l_pi = 00;
1371 opj_tcp_t *tcp = 00;
1372 const opj_tccp_t *tccp = 00;
1373
1374 // current packet iterator being allocated
1375 opj_pi_iterator_t *l_current_pi = 00;
1376
1377 // preconditions in debug
1378 assert(cp != 00);
1379 assert(image != 00);
1380 assert(tileno < cp->tw * cp->th);
1381
1382 // initializations
1383 tcp = &cp->tcps[tileno];
1384 l_poc_bound = tcp->numpocs+1;
1385
1386
1387 // memory allocations
1388 l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
1389
1390 if
1391 (!l_pi)
1392 {
1393 return 00;
1394 }
1395 memset(l_pi,0,l_poc_bound * sizeof(opj_pi_iterator_t));
1396 l_current_pi = l_pi;
1397 for
1398 (pino = 0; pino < l_poc_bound ; ++pino)
1399 {
1400 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
1401 if
1402 (! l_current_pi->comps)
1403 {
1404 pi_destroy(l_pi, l_poc_bound);
1405 return 00;
1406 }
1407 l_current_pi->numcomps = image->numcomps;
1408 memset(l_current_pi->comps,0,image->numcomps * sizeof(opj_pi_comp_t));
1409 for
1410 (compno = 0; compno < image->numcomps; ++compno)
1411 {
1412 opj_pi_comp_t *comp = &l_current_pi->comps[compno];
1413 tccp = &tcp->tccps[compno];
1414 comp->resolutions = (opj_pi_resolution_t*) opj_malloc(tccp->numresolutions * sizeof(opj_pi_resolution_t));
1415 if
1416 (!comp->resolutions)
1417 {
1418 pi_destroy(l_pi, l_poc_bound);
1419 return 00;
1420 }
1421 comp->numresolutions = tccp->numresolutions;
1422 memset(comp->resolutions,0,tccp->numresolutions * sizeof(opj_pi_resolution_t));
1423 }
1424 ++l_current_pi;
1425 }
1426 return l_pi;
1427 }
1428
1429 /**
1430 * Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used).
1431 *
1432 * @param p_cp the coding parameters to modify
1433 * @param p_tileno the tile index being concerned.
1434 * @param p_tx0 X0 parameter for the tile
1435 * @param p_tx1 X1 parameter for the tile
1436 * @param p_ty0 Y0 parameter for the tile
1437 * @param p_ty1 Y1 parameter for the tile
1438 * @param p_max_prec the maximum precision for all the bands of the tile
1439 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
1440 * @param dx_min the minimum dx of all the components of all the resolutions for the tile.
1441 * @param dy_min the minimum dy of all the components of all the resolutions for the tile.
1442 */
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)1443 void pi_update_encode_poc_and_final (
1444 opj_cp_t *p_cp,
1445 OPJ_UINT32 p_tileno,
1446 OPJ_INT32 p_tx0,
1447 OPJ_INT32 p_tx1,
1448 OPJ_INT32 p_ty0,
1449 OPJ_INT32 p_ty1,
1450 OPJ_UINT32 p_max_prec,
1451 OPJ_UINT32 p_max_res,
1452 OPJ_UINT32 p_dx_min,
1453 OPJ_UINT32 p_dy_min)
1454 {
1455 // loop
1456 OPJ_UINT32 pino;
1457 // tile coding parameter
1458 opj_tcp_t *l_tcp = 00;
1459 // current poc being updated
1460 opj_poc_t * l_current_poc = 00;
1461
1462 // number of pocs
1463 OPJ_UINT32 l_poc_bound;
1464
1465 // preconditions in debug
1466 assert(p_cp != 00);
1467 assert(p_tileno < p_cp->tw * p_cp->th);
1468
1469 // initializations
1470 l_tcp = &p_cp->tcps [p_tileno];
1471 /* number of iterations in the loop */
1472 l_poc_bound = l_tcp->numpocs+1;
1473
1474 // start at first element, and to make sure the compiler will not make a calculation each time in the loop
1475 // store a pointer to the current element to modify rather than l_tcp->pocs[i]
1476 l_current_poc = l_tcp->pocs;
1477
1478 l_current_poc->compS = l_current_poc->compno0;
1479 l_current_poc->compE = l_current_poc->compno1;
1480 l_current_poc->resS = l_current_poc->resno0;
1481 l_current_poc->resE = l_current_poc->resno1;
1482 l_current_poc->layE = l_current_poc->layno1;
1483
1484 // special treatment for the first element
1485 l_current_poc->layS = 0;
1486 l_current_poc->prg = l_current_poc->prg1;
1487 l_current_poc->prcS = 0;
1488
1489 l_current_poc->prcE = p_max_prec;
1490 l_current_poc->txS = p_tx0;
1491 l_current_poc->txE = p_tx1;
1492 l_current_poc->tyS = p_ty0;
1493 l_current_poc->tyE = p_ty1;
1494 l_current_poc->dx = p_dx_min;
1495 l_current_poc->dy = p_dy_min;
1496
1497 ++ l_current_poc;
1498 for
1499 (pino = 1;pino < l_poc_bound ; ++pino)
1500 {
1501 l_current_poc->compS = l_current_poc->compno0;
1502 l_current_poc->compE= l_current_poc->compno1;
1503 l_current_poc->resS = l_current_poc->resno0;
1504 l_current_poc->resE = l_current_poc->resno1;
1505 l_current_poc->layE = l_current_poc->layno1;
1506 l_current_poc->prg = l_current_poc->prg1;
1507 l_current_poc->prcS = 0;
1508 // special treatment here different from the first element
1509 l_current_poc->layS = (l_current_poc->layE > (l_current_poc-1)->layE) ? l_current_poc->layE : 0;
1510
1511 l_current_poc->prcE = p_max_prec;
1512 l_current_poc->txS = p_tx0;
1513 l_current_poc->txE = p_tx1;
1514 l_current_poc->tyS = p_ty0;
1515 l_current_poc->tyE = p_ty1;
1516 l_current_poc->dx = p_dx_min;
1517 l_current_poc->dy = p_dy_min;
1518 ++ l_current_poc;
1519 }
1520 }
1521
1522 /**
1523 * Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used).
1524 *
1525 * @param p_cp the coding parameters to modify
1526 * @param p_tileno the tile index being concerned.
1527 * @param p_tx0 X0 parameter for the tile
1528 * @param p_tx1 X1 parameter for the tile
1529 * @param p_ty0 Y0 parameter for the tile
1530 * @param p_ty1 Y1 parameter for the tile
1531 * @param p_max_prec the maximum precision for all the bands of the tile
1532 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
1533 * @param dx_min the minimum dx of all the components of all the resolutions for the tile.
1534 * @param dy_min the minimum dy of all the components of all the resolutions for the tile.
1535 */
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)1536 void pi_update_encode_not_poc (
1537 opj_cp_t *p_cp,
1538 OPJ_UINT32 p_num_comps,
1539 OPJ_UINT32 p_tileno,
1540 OPJ_INT32 p_tx0,
1541 OPJ_INT32 p_tx1,
1542 OPJ_INT32 p_ty0,
1543 OPJ_INT32 p_ty1,
1544 OPJ_UINT32 p_max_prec,
1545 OPJ_UINT32 p_max_res,
1546 OPJ_UINT32 p_dx_min,
1547 OPJ_UINT32 p_dy_min)
1548 {
1549 // loop
1550 OPJ_UINT32 pino;
1551 // tile coding parameter
1552 opj_tcp_t *l_tcp = 00;
1553 // current poc being updated
1554 opj_poc_t * l_current_poc = 00;
1555 // number of pocs
1556 OPJ_UINT32 l_poc_bound;
1557
1558 // preconditions in debug
1559 assert(p_cp != 00);
1560 assert(p_tileno < p_cp->tw * p_cp->th);
1561
1562 // initializations
1563 l_tcp = &p_cp->tcps [p_tileno];
1564
1565 /* number of iterations in the loop */
1566 l_poc_bound = l_tcp->numpocs+1;
1567
1568 // start at first element, and to make sure the compiler will not make a calculation each time in the loop
1569 // store a pointer to the current element to modify rather than l_tcp->pocs[i]
1570 l_current_poc = l_tcp->pocs;
1571
1572 for
1573 (pino = 0; pino < l_poc_bound ; ++pino)
1574 {
1575 l_current_poc->compS = 0;
1576 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
1577 l_current_poc->resS = 0;
1578 l_current_poc->resE = p_max_res;
1579 l_current_poc->layS = 0;
1580 l_current_poc->layE = l_tcp->numlayers;
1581 l_current_poc->prg = l_tcp->prg;
1582 l_current_poc->prcS = 0;
1583 l_current_poc->prcE = p_max_prec;
1584 l_current_poc->txS = p_tx0;
1585 l_current_poc->txE = p_tx1;
1586 l_current_poc->tyS = p_ty0;
1587 l_current_poc->tyE = p_ty1;
1588 l_current_poc->dx = p_dx_min;
1589 l_current_poc->dy = p_dy_min;
1590 ++ l_current_poc;
1591 }
1592 }
1593
1594 /**
1595 * Destroys a packet iterator array.
1596 *
1597 * @param p_pi the packet iterator array to destroy.
1598 * @param p_nb_elements the number of elements in the array.
1599 */
pi_destroy(opj_pi_iterator_t * p_pi,OPJ_UINT32 p_nb_elements)1600 void pi_destroy(
1601 opj_pi_iterator_t *p_pi,
1602 OPJ_UINT32 p_nb_elements)
1603 {
1604 OPJ_UINT32 compno, pino;
1605 opj_pi_iterator_t *l_current_pi = p_pi;
1606 if
1607 (p_pi)
1608 {
1609 if
1610 (p_pi->include)
1611 {
1612 opj_free(p_pi->include);
1613 p_pi->include = 00;
1614 }
1615 // TODO
1616 for
1617 (pino = 0; pino < p_nb_elements; ++pino)
1618 {
1619 if
1620 (l_current_pi->comps)
1621 {
1622 opj_pi_comp_t *l_current_component = l_current_pi->comps;
1623 for
1624 (compno = 0; compno < l_current_pi->numcomps; compno++)
1625 {
1626 if
1627 (l_current_component->resolutions)
1628 {
1629 opj_free(l_current_component->resolutions);
1630 l_current_component->resolutions = 00;
1631 }
1632 ++l_current_component;
1633 }
1634 opj_free(l_current_pi->comps);
1635 l_current_pi->comps = 0;
1636 }
1637 ++l_current_pi;
1638 }
1639 opj_free(p_pi);
1640 }
1641 }
1642
pi_next(opj_pi_iterator_t * pi)1643 bool pi_next(opj_pi_iterator_t * pi) {
1644 switch (pi->poc.prg) {
1645 case LRCP:
1646 return pi_next_lrcp(pi);
1647 case RLCP:
1648 return pi_next_rlcp(pi);
1649 case RPCL:
1650 return pi_next_rpcl(pi);
1651 case PCRL:
1652 return pi_next_pcrl(pi);
1653 case CPRL:
1654 return pi_next_cprl(pi);
1655 case PROG_UNKNOWN:
1656 return false;
1657 }
1658
1659 return false;
1660 }
1661
pi_check_next_level(OPJ_INT32 pos,opj_cp_t * cp,OPJ_UINT32 tileno,OPJ_UINT32 pino,const OPJ_CHAR * prog)1662 OPJ_INT32 pi_check_next_level(OPJ_INT32 pos,opj_cp_t *cp,OPJ_UINT32 tileno, OPJ_UINT32 pino, const OPJ_CHAR *prog)
1663 {
1664 OPJ_INT32 i,l;
1665 opj_tcp_t *tcps =&cp->tcps[tileno];
1666 opj_poc_t *tcp = &tcps->pocs[pino];
1667 if(pos>=0){
1668 for(i=pos;pos>=0;i--){
1669 switch(prog[i]){
1670 case 'R':
1671 if(tcp->res_t==tcp->resE){
1672 l=pi_check_next_level(pos-1,cp,tileno,pino,prog);
1673 if(l==1){
1674 return 1;
1675 }else{
1676 return 0;
1677 }
1678 }else{
1679 return 1;
1680 }
1681 break;
1682 case 'C':
1683 if(tcp->comp_t==tcp->compE){
1684 l=pi_check_next_level(pos-1,cp,tileno,pino,prog);
1685 if(l==1){
1686 return 1;
1687 }else{
1688 return 0;
1689 }
1690 }else{
1691 return 1;
1692 }
1693 break;
1694 case 'L':
1695 if(tcp->lay_t==tcp->layE){
1696 l=pi_check_next_level(pos-1,cp,tileno,pino,prog);
1697 if(l==1){
1698 return 1;
1699 }else{
1700 return 0;
1701 }
1702 }else{
1703 return 1;
1704 }
1705 break;
1706 case 'P':
1707 switch(tcp->prg){
1708 case LRCP||RLCP:
1709 if(tcp->prc_t == tcp->prcE){
1710 l=pi_check_next_level(i-1,cp,tileno,pino,prog);
1711 if(l==1){
1712 return 1;
1713 }else{
1714 return 0;
1715 }
1716 }else{
1717 return 1;
1718 }
1719 break;
1720 default:
1721 if(tcp->tx0_t == tcp->txE){
1722 //TY
1723 if(tcp->ty0_t == tcp->tyE){
1724 l=pi_check_next_level(i-1,cp,tileno,pino,prog);
1725 if(l==1){
1726 return 1;
1727 }else{
1728 return 0;
1729 }
1730 }else{
1731 return 1;
1732 }//TY
1733 }else{
1734 return 1;
1735 }
1736 break;
1737 }//end case P
1738 }//end switch
1739 }//end for
1740 }//end if
1741 return 0;
1742 }
1743
1744
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)1745 void 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)
1746 {
1747 const OPJ_CHAR *prog;
1748 OPJ_INT32 i,l;
1749 OPJ_UINT32 incr_top=1,resetX=0;
1750 opj_tcp_t *tcps =&cp->tcps[tileno];
1751 opj_poc_t *tcp= &tcps->pocs[pino];
1752
1753 prog = j2k_convert_progression_order(tcp->prg);
1754
1755 pi[pino].first = 1;
1756 pi[pino].poc.prg = tcp->prg;
1757
1758 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))){
1759 pi[pino].poc.resno0 = tcp->resS;
1760 pi[pino].poc.resno1 = tcp->resE;
1761 pi[pino].poc.compno0 = tcp->compS;
1762 pi[pino].poc.compno1 = tcp->compE;
1763 pi[pino].poc.layno0 = tcp->layS;
1764 pi[pino].poc.layno1 = tcp->layE;
1765 pi[pino].poc.precno0 = tcp->prcS;
1766 pi[pino].poc.precno1 = tcp->prcE;
1767 pi[pino].poc.tx0 = tcp->txS;
1768 pi[pino].poc.ty0 = tcp->tyS;
1769 pi[pino].poc.tx1 = tcp->txE;
1770 pi[pino].poc.ty1 = tcp->tyE;
1771 }else {
1772 for(i=tppos+1;i<4;i++){
1773 switch(prog[i]){
1774 case 'R':
1775 pi[pino].poc.resno0 = tcp->resS;
1776 pi[pino].poc.resno1 = tcp->resE;
1777 break;
1778 case 'C':
1779 pi[pino].poc.compno0 = tcp->compS;
1780 pi[pino].poc.compno1 = tcp->compE;
1781 break;
1782 case 'L':
1783 pi[pino].poc.layno0 = tcp->layS;
1784 pi[pino].poc.layno1 = tcp->layE;
1785 break;
1786 case 'P':
1787 switch(tcp->prg){
1788 case LRCP:
1789 case RLCP:
1790 pi[pino].poc.precno0 = tcp->prcS;
1791 pi[pino].poc.precno1 = tcp->prcE;
1792 break;
1793 default:
1794 pi[pino].poc.tx0 = tcp->txS;
1795 pi[pino].poc.ty0 = tcp->tyS;
1796 pi[pino].poc.tx1 = tcp->txE;
1797 pi[pino].poc.ty1 = tcp->tyE;
1798 break;
1799 }
1800 break;
1801 }
1802 }
1803
1804 if(tpnum==0){
1805 for(i=tppos;i>=0;i--){
1806 switch(prog[i]){
1807 case 'C':
1808 tcp->comp_t = tcp->compS;
1809 pi[pino].poc.compno0 = tcp->comp_t;
1810 pi[pino].poc.compno1 = tcp->comp_t+1;
1811 tcp->comp_t+=1;
1812 break;
1813 case 'R':
1814 tcp->res_t = tcp->resS;
1815 pi[pino].poc.resno0 = tcp->res_t;
1816 pi[pino].poc.resno1 = tcp->res_t+1;
1817 tcp->res_t+=1;
1818 break;
1819 case 'L':
1820 tcp->lay_t = tcp->layS;
1821 pi[pino].poc.layno0 = tcp->lay_t;
1822 pi[pino].poc.layno1 = tcp->lay_t+1;
1823 tcp->lay_t+=1;
1824 break;
1825 case 'P':
1826 switch(tcp->prg){
1827 case LRCP:
1828 case RLCP:
1829 tcp->prc_t = tcp->prcS;
1830 pi[pino].poc.precno0 = tcp->prc_t;
1831 pi[pino].poc.precno1 = tcp->prc_t+1;
1832 tcp->prc_t+=1;
1833 break;
1834 default:
1835 tcp->tx0_t = tcp->txS;
1836 tcp->ty0_t = tcp->tyS;
1837 pi[pino].poc.tx0 = tcp->tx0_t;
1838 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
1839 pi[pino].poc.ty0 = tcp->ty0_t;
1840 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1841 tcp->tx0_t = pi[pino].poc.tx1;
1842 tcp->ty0_t = pi[pino].poc.ty1;
1843 break;
1844 }
1845 break;
1846 }
1847 }
1848 incr_top=1;
1849 }else{
1850 for(i=tppos;i>=0;i--){
1851 switch(prog[i]){
1852 case 'C':
1853 pi[pino].poc.compno0 = tcp->comp_t-1;
1854 pi[pino].poc.compno1 = tcp->comp_t;
1855 break;
1856 case 'R':
1857 pi[pino].poc.resno0 = tcp->res_t-1;
1858 pi[pino].poc.resno1 = tcp->res_t;
1859 break;
1860 case 'L':
1861 pi[pino].poc.layno0 = tcp->lay_t-1;
1862 pi[pino].poc.layno1 = tcp->lay_t;
1863 break;
1864 case 'P':
1865 switch(tcp->prg){
1866 case LRCP:
1867 case RLCP:
1868 pi[pino].poc.precno0 = tcp->prc_t-1;
1869 pi[pino].poc.precno1 = tcp->prc_t;
1870 break;
1871 default:
1872 pi[pino].poc.tx0 = tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx);
1873 pi[pino].poc.tx1 = tcp->tx0_t ;
1874 pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
1875 pi[pino].poc.ty1 = tcp->ty0_t ;
1876 break;
1877 }
1878 break;
1879 }
1880 if(incr_top==1){
1881 switch(prog[i]){
1882 case 'R':
1883 if(tcp->res_t==tcp->resE){
1884 l=pi_check_next_level(i-1,cp,tileno,pino,prog);
1885 if(l==1){
1886 tcp->res_t = tcp->resS;
1887 pi[pino].poc.resno0 = tcp->res_t;
1888 pi[pino].poc.resno1 = tcp->res_t+1;
1889 tcp->res_t+=1;
1890 incr_top=1;
1891 }else{
1892 incr_top=0;
1893 }
1894 }else{
1895 pi[pino].poc.resno0 = tcp->res_t;
1896 pi[pino].poc.resno1 = tcp->res_t+1;
1897 tcp->res_t+=1;
1898 incr_top=0;
1899 }
1900 break;
1901 case 'C':
1902 if(tcp->comp_t ==tcp->compE){
1903 l=pi_check_next_level(i-1,cp,tileno,pino,prog);
1904 if(l==1){
1905 tcp->comp_t = tcp->compS;
1906 pi[pino].poc.compno0 = tcp->comp_t;
1907 pi[pino].poc.compno1 = tcp->comp_t+1;
1908 tcp->comp_t+=1;
1909 incr_top=1;
1910 }else{
1911 incr_top=0;
1912 }
1913 }else{
1914 pi[pino].poc.compno0 = tcp->comp_t;
1915 pi[pino].poc.compno1 = tcp->comp_t+1;
1916 tcp->comp_t+=1;
1917 incr_top=0;
1918 }
1919 break;
1920 case 'L':
1921 if(tcp->lay_t == tcp->layE){
1922 l=pi_check_next_level(i-1,cp,tileno,pino,prog);
1923 if(l==1){
1924 tcp->lay_t = tcp->layS;
1925 pi[pino].poc.layno0 = tcp->lay_t;
1926 pi[pino].poc.layno1 = tcp->lay_t+1;
1927 tcp->lay_t+=1;
1928 incr_top=1;
1929 }else{
1930 incr_top=0;
1931 }
1932 }else{
1933 pi[pino].poc.layno0 = tcp->lay_t;
1934 pi[pino].poc.layno1 = tcp->lay_t+1;
1935 tcp->lay_t+=1;
1936 incr_top=0;
1937 }
1938 break;
1939 case 'P':
1940 switch(tcp->prg){
1941 case LRCP:
1942 case RLCP:
1943 if(tcp->prc_t == tcp->prcE){
1944 l=pi_check_next_level(i-1,cp,tileno,pino,prog);
1945 if(l==1){
1946 tcp->prc_t = tcp->prcS;
1947 pi[pino].poc.precno0 = tcp->prc_t;
1948 pi[pino].poc.precno1 = tcp->prc_t+1;
1949 tcp->prc_t+=1;
1950 incr_top=1;
1951 }else{
1952 incr_top=0;
1953 }
1954 }else{
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=0;
1959 }
1960 break;
1961 default:
1962 if(tcp->tx0_t >= tcp->txE){
1963 if(tcp->ty0_t >= tcp->tyE){
1964 l=pi_check_next_level(i-1,cp,tileno,pino,prog);
1965 if(l==1){
1966 tcp->ty0_t = tcp->tyS;
1967 pi[pino].poc.ty0 = tcp->ty0_t;
1968 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1969 tcp->ty0_t = pi[pino].poc.ty1;
1970 incr_top=1;resetX=1;
1971 }else{
1972 incr_top=0;resetX=0;
1973 }
1974 }else{
1975 pi[pino].poc.ty0 = tcp->ty0_t;
1976 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1977 tcp->ty0_t = pi[pino].poc.ty1;
1978 incr_top=0;resetX=1;
1979 }
1980 if(resetX==1){
1981 tcp->tx0_t = tcp->txS;
1982 pi[pino].poc.tx0 = tcp->tx0_t;
1983 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
1984 tcp->tx0_t = pi[pino].poc.tx1;
1985 }
1986 }else{
1987 pi[pino].poc.tx0 = tcp->tx0_t;
1988 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
1989 tcp->tx0_t = pi[pino].poc.tx1;
1990 incr_top=0;
1991 }
1992 break;
1993 }
1994 break;
1995 }
1996 }
1997 }
1998 }
1999 }
2000 }
2001