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 /* non-corrected (in regard to image offset) tile offset */
697 OPJ_UINT32 l_tx0, l_ty0;
698
699 /* preconditions in debug*/
700 assert(p_cp != 00);
701 assert(p_image != 00);
702 assert(tileno < p_cp->tw * p_cp->th);
703
704 /* initializations*/
705 tcp = &p_cp->tcps [tileno];
706 l_tccp = tcp->tccps;
707 l_img_comp = p_image->comps;
708
709 /* position in x and y of tile*/
710 p = tileno % p_cp->tw;
711 q = tileno / p_cp->tw;
712
713 /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
714 l_tx0 = p_cp->tx0 + p * p_cp->tdx; /* can't be greater than p_image->x1 so won't overflow */
715 *p_tx0 = (OPJ_INT32)opj_uint_max(l_tx0, p_image->x0);
716 *p_tx1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
717 l_ty0 = p_cp->ty0 + q * p_cp->tdy; /* can't be greater than p_image->y1 so won't overflow */
718 *p_ty0 = (OPJ_INT32)opj_uint_max(l_ty0, p_image->y0);
719 *p_ty1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
720
721 /* max precision and resolution is 0 (can only grow)*/
722 *p_max_prec = 0;
723 *p_max_res = 0;
724
725 /* take the largest value for dx_min and dy_min*/
726 *p_dx_min = 0x7fffffff;
727 *p_dy_min = 0x7fffffff;
728
729 for (compno = 0; compno < p_image->numcomps; ++compno) {
730 /* aritmetic variables to calculate*/
731 OPJ_UINT32 l_level_no;
732 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
733 OPJ_INT32 l_px0, l_py0, l_px1, py1;
734 OPJ_UINT32 l_product;
735 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
736 OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph;
737
738 lResolutionPtr = p_resolutions[compno];
739
740 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
741 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
742 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
743 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
744
745 if (l_tccp->numresolutions > *p_max_res) {
746 *p_max_res = l_tccp->numresolutions;
747 }
748
749 /* use custom size for precincts*/
750 l_level_no = l_tccp->numresolutions - 1;
751 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
752 OPJ_UINT32 l_dx, l_dy;
753
754 /* precinct width and height*/
755 l_pdx = l_tccp->prcw[resno];
756 l_pdy = l_tccp->prch[resno];
757 *lResolutionPtr++ = l_pdx;
758 *lResolutionPtr++ = l_pdy;
759 l_dx = l_img_comp->dx * (1u << (l_pdx + l_level_no));
760 l_dy = l_img_comp->dy * (1u << (l_pdy + l_level_no));
761 /* take the minimum size for l_dx for each comp and resolution*/
762 *p_dx_min = (OPJ_UINT32)opj_int_min((OPJ_INT32)*p_dx_min, (OPJ_INT32)l_dx);
763 *p_dy_min = (OPJ_UINT32)opj_int_min((OPJ_INT32)*p_dy_min, (OPJ_INT32)l_dy);
764
765 /* various calculations of extents*/
766 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
767 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
768 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
769 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
770 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
771 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
772 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
773 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
774 l_pw = (l_rx0==l_rx1)?0:(OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
775 l_ph = (l_ry0==l_ry1)?0:(OPJ_UINT32)((py1 - l_py0) >> l_pdy);
776 *lResolutionPtr++ = l_pw;
777 *lResolutionPtr++ = l_ph;
778 l_product = l_pw * l_ph;
779
780 /* update precision*/
781 if (l_product > *p_max_prec) {
782 *p_max_prec = l_product;
783 }
784
785 --l_level_no;
786 }
787 ++l_tccp;
788 ++l_img_comp;
789 }
790 }
791
opj_pi_create(const opj_image_t * image,const opj_cp_t * cp,OPJ_UINT32 tileno)792 opj_pi_iterator_t * opj_pi_create( const opj_image_t *image,
793 const opj_cp_t *cp,
794 OPJ_UINT32 tileno )
795 {
796 /* loop*/
797 OPJ_UINT32 pino, compno;
798 /* number of poc in the p_pi*/
799 OPJ_UINT32 l_poc_bound;
800
801 /* pointers to tile coding parameters and components.*/
802 opj_pi_iterator_t *l_pi = 00;
803 opj_tcp_t *tcp = 00;
804 const opj_tccp_t *tccp = 00;
805
806 /* current packet iterator being allocated*/
807 opj_pi_iterator_t *l_current_pi = 00;
808
809 /* preconditions in debug*/
810 assert(cp != 00);
811 assert(image != 00);
812 assert(tileno < cp->tw * cp->th);
813
814 /* initializations*/
815 tcp = &cp->tcps[tileno];
816 l_poc_bound = tcp->numpocs+1;
817
818 /* memory allocations*/
819 l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
820 if (!l_pi) {
821 return NULL;
822 }
823
824 l_current_pi = l_pi;
825 for (pino = 0; pino < l_poc_bound ; ++pino) {
826
827 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
828 if (! l_current_pi->comps) {
829 opj_pi_destroy(l_pi, l_poc_bound);
830 return NULL;
831 }
832
833 l_current_pi->numcomps = image->numcomps;
834
835 for (compno = 0; compno < image->numcomps; ++compno) {
836 opj_pi_comp_t *comp = &l_current_pi->comps[compno];
837
838 tccp = &tcp->tccps[compno];
839
840 comp->resolutions = (opj_pi_resolution_t*) opj_calloc(tccp->numresolutions, sizeof(opj_pi_resolution_t));
841 if (!comp->resolutions) {
842 opj_pi_destroy(l_pi, l_poc_bound);
843 return 00;
844 }
845
846 comp->numresolutions = tccp->numresolutions;
847 }
848 ++l_current_pi;
849 }
850 return l_pi;
851 }
852
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)853 void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
854 OPJ_UINT32 p_tileno,
855 OPJ_INT32 p_tx0,
856 OPJ_INT32 p_tx1,
857 OPJ_INT32 p_ty0,
858 OPJ_INT32 p_ty1,
859 OPJ_UINT32 p_max_prec,
860 OPJ_UINT32 p_max_res,
861 OPJ_UINT32 p_dx_min,
862 OPJ_UINT32 p_dy_min)
863 {
864 /* loop*/
865 OPJ_UINT32 pino;
866 /* tile coding parameter*/
867 opj_tcp_t *l_tcp = 00;
868 /* current poc being updated*/
869 opj_poc_t * l_current_poc = 00;
870
871 /* number of pocs*/
872 OPJ_UINT32 l_poc_bound;
873
874 OPJ_ARG_NOT_USED(p_max_res);
875
876 /* preconditions in debug*/
877 assert(p_cp != 00);
878 assert(p_tileno < p_cp->tw * p_cp->th);
879
880 /* initializations*/
881 l_tcp = &p_cp->tcps [p_tileno];
882 /* number of iterations in the loop */
883 l_poc_bound = l_tcp->numpocs+1;
884
885 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
886 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
887 l_current_poc = l_tcp->pocs;
888
889 l_current_poc->compS = l_current_poc->compno0;
890 l_current_poc->compE = l_current_poc->compno1;
891 l_current_poc->resS = l_current_poc->resno0;
892 l_current_poc->resE = l_current_poc->resno1;
893 l_current_poc->layE = l_current_poc->layno1;
894
895 /* special treatment for the first element*/
896 l_current_poc->layS = 0;
897 l_current_poc->prg = l_current_poc->prg1;
898 l_current_poc->prcS = 0;
899
900 l_current_poc->prcE = p_max_prec;
901 l_current_poc->txS = (OPJ_UINT32)p_tx0;
902 l_current_poc->txE = (OPJ_UINT32)p_tx1;
903 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
904 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
905 l_current_poc->dx = p_dx_min;
906 l_current_poc->dy = p_dy_min;
907
908 ++ l_current_poc;
909 for (pino = 1;pino < l_poc_bound ; ++pino) {
910 l_current_poc->compS = l_current_poc->compno0;
911 l_current_poc->compE= l_current_poc->compno1;
912 l_current_poc->resS = l_current_poc->resno0;
913 l_current_poc->resE = l_current_poc->resno1;
914 l_current_poc->layE = l_current_poc->layno1;
915 l_current_poc->prg = l_current_poc->prg1;
916 l_current_poc->prcS = 0;
917 /* special treatment here different from the first element*/
918 l_current_poc->layS = (l_current_poc->layE > (l_current_poc-1)->layE) ? l_current_poc->layE : 0;
919
920 l_current_poc->prcE = p_max_prec;
921 l_current_poc->txS = (OPJ_UINT32)p_tx0;
922 l_current_poc->txE = (OPJ_UINT32)p_tx1;
923 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
924 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
925 l_current_poc->dx = p_dx_min;
926 l_current_poc->dy = p_dy_min;
927 ++ l_current_poc;
928 }
929 }
930
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)931 void opj_pi_update_encode_not_poc ( opj_cp_t *p_cp,
932 OPJ_UINT32 p_num_comps,
933 OPJ_UINT32 p_tileno,
934 OPJ_INT32 p_tx0,
935 OPJ_INT32 p_tx1,
936 OPJ_INT32 p_ty0,
937 OPJ_INT32 p_ty1,
938 OPJ_UINT32 p_max_prec,
939 OPJ_UINT32 p_max_res,
940 OPJ_UINT32 p_dx_min,
941 OPJ_UINT32 p_dy_min)
942 {
943 /* loop*/
944 OPJ_UINT32 pino;
945 /* tile coding parameter*/
946 opj_tcp_t *l_tcp = 00;
947 /* current poc being updated*/
948 opj_poc_t * l_current_poc = 00;
949 /* number of pocs*/
950 OPJ_UINT32 l_poc_bound;
951
952 /* preconditions in debug*/
953 assert(p_cp != 00);
954 assert(p_tileno < p_cp->tw * p_cp->th);
955
956 /* initializations*/
957 l_tcp = &p_cp->tcps [p_tileno];
958
959 /* number of iterations in the loop */
960 l_poc_bound = l_tcp->numpocs+1;
961
962 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
963 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
964 l_current_poc = l_tcp->pocs;
965
966 for (pino = 0; pino < l_poc_bound ; ++pino) {
967 l_current_poc->compS = 0;
968 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
969 l_current_poc->resS = 0;
970 l_current_poc->resE = p_max_res;
971 l_current_poc->layS = 0;
972 l_current_poc->layE = l_tcp->numlayers;
973 l_current_poc->prg = l_tcp->prg;
974 l_current_poc->prcS = 0;
975 l_current_poc->prcE = p_max_prec;
976 l_current_poc->txS = (OPJ_UINT32)p_tx0;
977 l_current_poc->txE = (OPJ_UINT32)p_tx1;
978 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
979 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
980 l_current_poc->dx = p_dx_min;
981 l_current_poc->dy = p_dy_min;
982 ++ l_current_poc;
983 }
984 }
985
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)986 void opj_pi_update_decode_poc (opj_pi_iterator_t * p_pi,
987 opj_tcp_t * p_tcp,
988 OPJ_UINT32 p_max_precision,
989 OPJ_UINT32 p_max_res)
990 {
991 /* loop*/
992 OPJ_UINT32 pino;
993
994 /* encoding prameters to set*/
995 OPJ_UINT32 l_bound;
996
997 opj_pi_iterator_t * l_current_pi = 00;
998 opj_poc_t* l_current_poc = 0;
999
1000 OPJ_ARG_NOT_USED(p_max_res);
1001
1002 /* preconditions in debug*/
1003 assert(p_pi != 00);
1004 assert(p_tcp != 00);
1005
1006 /* initializations*/
1007 l_bound = p_tcp->numpocs+1;
1008 l_current_pi = p_pi;
1009 l_current_poc = p_tcp->pocs;
1010
1011 for (pino = 0;pino<l_bound;++pino) {
1012 l_current_pi->poc.prg = l_current_poc->prg; /* Progression Order #0 */
1013 l_current_pi->first = 1;
1014
1015 l_current_pi->poc.resno0 = l_current_poc->resno0; /* Resolution Level Index #0 (Start) */
1016 l_current_pi->poc.compno0 = l_current_poc->compno0; /* Component Index #0 (Start) */
1017 l_current_pi->poc.layno0 = 0;
1018 l_current_pi->poc.precno0 = 0;
1019 l_current_pi->poc.resno1 = l_current_poc->resno1; /* Resolution Level Index #0 (End) */
1020 l_current_pi->poc.compno1 = l_current_poc->compno1; /* Component Index #0 (End) */
1021 l_current_pi->poc.layno1 = l_current_poc->layno1; /* Layer Index #0 (End) */
1022 l_current_pi->poc.precno1 = p_max_precision;
1023 ++l_current_pi;
1024 ++l_current_poc;
1025 }
1026 }
1027
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)1028 void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
1029 opj_tcp_t * p_tcp,
1030 OPJ_UINT32 p_max_precision,
1031 OPJ_UINT32 p_max_res)
1032 {
1033 /* loop*/
1034 OPJ_UINT32 pino;
1035
1036 /* encoding prameters to set*/
1037 OPJ_UINT32 l_bound;
1038
1039 opj_pi_iterator_t * l_current_pi = 00;
1040 /* preconditions in debug*/
1041 assert(p_tcp != 00);
1042 assert(p_pi != 00);
1043
1044 /* initializations*/
1045 l_bound = p_tcp->numpocs+1;
1046 l_current_pi = p_pi;
1047
1048 for (pino = 0;pino<l_bound;++pino) {
1049 l_current_pi->poc.prg = p_tcp->prg;
1050 l_current_pi->first = 1;
1051 l_current_pi->poc.resno0 = 0;
1052 l_current_pi->poc.compno0 = 0;
1053 l_current_pi->poc.layno0 = 0;
1054 l_current_pi->poc.precno0 = 0;
1055 l_current_pi->poc.resno1 = p_max_res;
1056 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1057 l_current_pi->poc.layno1 = p_tcp->numlayers;
1058 l_current_pi->poc.precno1 = p_max_precision;
1059 ++l_current_pi;
1060 }
1061 }
1062
1063
1064
opj_pi_check_next_level(OPJ_INT32 pos,opj_cp_t * cp,OPJ_UINT32 tileno,OPJ_UINT32 pino,const OPJ_CHAR * prog)1065 OPJ_BOOL opj_pi_check_next_level( OPJ_INT32 pos,
1066 opj_cp_t *cp,
1067 OPJ_UINT32 tileno,
1068 OPJ_UINT32 pino,
1069 const OPJ_CHAR *prog)
1070 {
1071 OPJ_INT32 i;
1072 opj_tcp_t *tcps =&cp->tcps[tileno];
1073 opj_poc_t *tcp = &tcps->pocs[pino];
1074
1075 if(pos>=0){
1076 for(i=pos;pos>=0;i--){
1077 switch(prog[i]){
1078 case 'R':
1079 if(tcp->res_t==tcp->resE){
1080 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1081 return OPJ_TRUE;
1082 }else{
1083 return OPJ_FALSE;
1084 }
1085 }else{
1086 return OPJ_TRUE;
1087 }
1088 break;
1089 case 'C':
1090 if(tcp->comp_t==tcp->compE){
1091 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1092 return OPJ_TRUE;
1093 }else{
1094 return OPJ_FALSE;
1095 }
1096 }else{
1097 return OPJ_TRUE;
1098 }
1099 break;
1100 case 'L':
1101 if(tcp->lay_t==tcp->layE){
1102 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1103 return OPJ_TRUE;
1104 }else{
1105 return OPJ_FALSE;
1106 }
1107 }else{
1108 return OPJ_TRUE;
1109 }
1110 break;
1111 case 'P':
1112 switch(tcp->prg){
1113 case OPJ_LRCP: /* fall through */
1114 case OPJ_RLCP:
1115 if(tcp->prc_t == tcp->prcE){
1116 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1117 return OPJ_TRUE;
1118 }else{
1119 return OPJ_FALSE;
1120 }
1121 }else{
1122 return OPJ_TRUE;
1123 }
1124 break;
1125 default:
1126 if(tcp->tx0_t == tcp->txE){
1127 /*TY*/
1128 if(tcp->ty0_t == tcp->tyE){
1129 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1130 return OPJ_TRUE;
1131 }else{
1132 return OPJ_FALSE;
1133 }
1134 }else{
1135 return OPJ_TRUE;
1136 }/*TY*/
1137 }else{
1138 return OPJ_TRUE;
1139 }
1140 break;
1141 }/*end case P*/
1142 }/*end switch*/
1143 }/*end for*/
1144 }/*end if*/
1145 return OPJ_FALSE;
1146 }
1147
1148
1149 /*
1150 ==========================================================
1151 Packet iterator interface
1152 ==========================================================
1153 */
opj_pi_create_decode(opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)1154 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
1155 opj_cp_t *p_cp,
1156 OPJ_UINT32 p_tile_no)
1157 {
1158 /* loop */
1159 OPJ_UINT32 pino;
1160 OPJ_UINT32 compno, resno;
1161
1162 /* to store w, h, dx and dy fro all components and resolutions */
1163 OPJ_UINT32 * l_tmp_data;
1164 OPJ_UINT32 ** l_tmp_ptr;
1165
1166 /* encoding prameters to set */
1167 OPJ_UINT32 l_max_res;
1168 OPJ_UINT32 l_max_prec;
1169 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1170 OPJ_UINT32 l_dx_min,l_dy_min;
1171 OPJ_UINT32 l_bound;
1172 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1173 OPJ_UINT32 l_data_stride;
1174
1175 /* pointers */
1176 opj_pi_iterator_t *l_pi = 00;
1177 opj_tcp_t *l_tcp = 00;
1178 const opj_tccp_t *l_tccp = 00;
1179 opj_pi_comp_t *l_current_comp = 00;
1180 opj_image_comp_t * l_img_comp = 00;
1181 opj_pi_iterator_t * l_current_pi = 00;
1182 OPJ_UINT32 * l_encoding_value_ptr = 00;
1183
1184 /* preconditions in debug */
1185 assert(p_cp != 00);
1186 assert(p_image != 00);
1187 assert(p_tile_no < p_cp->tw * p_cp->th);
1188
1189 /* initializations */
1190 l_tcp = &p_cp->tcps[p_tile_no];
1191 l_bound = l_tcp->numpocs+1;
1192
1193 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1194 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1195 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1196 if
1197 (! l_tmp_data)
1198 {
1199 return 00;
1200 }
1201 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1202 p_image->numcomps * sizeof(OPJ_UINT32 *));
1203 if
1204 (! l_tmp_ptr)
1205 {
1206 opj_free(l_tmp_data);
1207 return 00;
1208 }
1209
1210 /* memory allocation for pi */
1211 l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1212 if (!l_pi) {
1213 opj_free(l_tmp_data);
1214 opj_free(l_tmp_ptr);
1215 return 00;
1216 }
1217
1218 l_encoding_value_ptr = l_tmp_data;
1219 /* update pointer array */
1220 for
1221 (compno = 0; compno < p_image->numcomps; ++compno)
1222 {
1223 l_tmp_ptr[compno] = l_encoding_value_ptr;
1224 l_encoding_value_ptr += l_data_stride;
1225 }
1226 /* get encoding parameters */
1227 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);
1228
1229 /* step calculations */
1230 l_step_p = 1;
1231 l_step_c = l_max_prec * l_step_p;
1232 l_step_r = p_image->numcomps * l_step_c;
1233 l_step_l = l_max_res * l_step_r;
1234
1235 /* set values for first packet iterator */
1236 l_current_pi = l_pi;
1237
1238 /* memory allocation for include */
1239 l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
1240 if
1241 (!l_current_pi->include)
1242 {
1243 opj_free(l_tmp_data);
1244 opj_free(l_tmp_ptr);
1245 opj_pi_destroy(l_pi, l_bound);
1246 return 00;
1247 }
1248
1249 /* special treatment for the first packet iterator */
1250 l_current_comp = l_current_pi->comps;
1251 l_img_comp = p_image->comps;
1252 l_tccp = l_tcp->tccps;
1253
1254 l_current_pi->tx0 = l_tx0;
1255 l_current_pi->ty0 = l_ty0;
1256 l_current_pi->tx1 = l_tx1;
1257 l_current_pi->ty1 = l_ty1;
1258
1259 /*l_current_pi->dx = l_img_comp->dx;*/
1260 /*l_current_pi->dy = l_img_comp->dy;*/
1261
1262 l_current_pi->step_p = l_step_p;
1263 l_current_pi->step_c = l_step_c;
1264 l_current_pi->step_r = l_step_r;
1265 l_current_pi->step_l = l_step_l;
1266
1267 /* allocation for components and number of components has already been calculated by opj_pi_create */
1268 for
1269 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1270 {
1271 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1272 l_encoding_value_ptr = l_tmp_ptr[compno];
1273
1274 l_current_comp->dx = l_img_comp->dx;
1275 l_current_comp->dy = l_img_comp->dy;
1276 /* resolutions have already been initialized */
1277 for
1278 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1279 {
1280 l_res->pdx = *(l_encoding_value_ptr++);
1281 l_res->pdy = *(l_encoding_value_ptr++);
1282 l_res->pw = *(l_encoding_value_ptr++);
1283 l_res->ph = *(l_encoding_value_ptr++);
1284 ++l_res;
1285 }
1286 ++l_current_comp;
1287 ++l_img_comp;
1288 ++l_tccp;
1289 }
1290 ++l_current_pi;
1291
1292 for (pino = 1 ; pino<l_bound ; ++pino )
1293 {
1294 l_current_comp = l_current_pi->comps;
1295 l_img_comp = p_image->comps;
1296 l_tccp = l_tcp->tccps;
1297
1298 l_current_pi->tx0 = l_tx0;
1299 l_current_pi->ty0 = l_ty0;
1300 l_current_pi->tx1 = l_tx1;
1301 l_current_pi->ty1 = l_ty1;
1302 /*l_current_pi->dx = l_dx_min;*/
1303 /*l_current_pi->dy = l_dy_min;*/
1304 l_current_pi->step_p = l_step_p;
1305 l_current_pi->step_c = l_step_c;
1306 l_current_pi->step_r = l_step_r;
1307 l_current_pi->step_l = l_step_l;
1308
1309 /* allocation for components and number of components has already been calculated by opj_pi_create */
1310 for
1311 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1312 {
1313 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1314 l_encoding_value_ptr = l_tmp_ptr[compno];
1315
1316 l_current_comp->dx = l_img_comp->dx;
1317 l_current_comp->dy = l_img_comp->dy;
1318 /* resolutions have already been initialized */
1319 for
1320 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1321 {
1322 l_res->pdx = *(l_encoding_value_ptr++);
1323 l_res->pdy = *(l_encoding_value_ptr++);
1324 l_res->pw = *(l_encoding_value_ptr++);
1325 l_res->ph = *(l_encoding_value_ptr++);
1326 ++l_res;
1327 }
1328 ++l_current_comp;
1329 ++l_img_comp;
1330 ++l_tccp;
1331 }
1332 /* special treatment*/
1333 l_current_pi->include = (l_current_pi-1)->include;
1334 ++l_current_pi;
1335 }
1336 opj_free(l_tmp_data);
1337 l_tmp_data = 00;
1338 opj_free(l_tmp_ptr);
1339 l_tmp_ptr = 00;
1340 if
1341 (l_tcp->POC)
1342 {
1343 opj_pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
1344 }
1345 else
1346 {
1347 opj_pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
1348 }
1349 return l_pi;
1350 }
1351
1352
1353
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)1354 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
1355 opj_cp_t *p_cp,
1356 OPJ_UINT32 p_tile_no,
1357 J2K_T2_MODE p_t2_mode )
1358 {
1359 /* loop*/
1360 OPJ_UINT32 pino;
1361 OPJ_UINT32 compno, resno;
1362
1363 /* to store w, h, dx and dy fro all components and resolutions*/
1364 OPJ_UINT32 * l_tmp_data;
1365 OPJ_UINT32 ** l_tmp_ptr;
1366
1367 /* encoding prameters to set*/
1368 OPJ_UINT32 l_max_res;
1369 OPJ_UINT32 l_max_prec;
1370 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1371 OPJ_UINT32 l_dx_min,l_dy_min;
1372 OPJ_UINT32 l_bound;
1373 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1374 OPJ_UINT32 l_data_stride;
1375
1376 /* pointers*/
1377 opj_pi_iterator_t *l_pi = 00;
1378 opj_tcp_t *l_tcp = 00;
1379 const opj_tccp_t *l_tccp = 00;
1380 opj_pi_comp_t *l_current_comp = 00;
1381 opj_image_comp_t * l_img_comp = 00;
1382 opj_pi_iterator_t * l_current_pi = 00;
1383 OPJ_UINT32 * l_encoding_value_ptr = 00;
1384
1385 /* preconditions in debug*/
1386 assert(p_cp != 00);
1387 assert(p_image != 00);
1388 assert(p_tile_no < p_cp->tw * p_cp->th);
1389
1390 /* initializations*/
1391 l_tcp = &p_cp->tcps[p_tile_no];
1392 l_bound = l_tcp->numpocs+1;
1393
1394 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1395 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1396 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1397 if (! l_tmp_data) {
1398 return 00;
1399 }
1400
1401 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1402 p_image->numcomps * sizeof(OPJ_UINT32 *));
1403 if (! l_tmp_ptr) {
1404 opj_free(l_tmp_data);
1405 return 00;
1406 }
1407
1408 /* memory allocation for pi*/
1409 l_pi = opj_pi_create(p_image,p_cp,p_tile_no);
1410 if (!l_pi) {
1411 opj_free(l_tmp_data);
1412 opj_free(l_tmp_ptr);
1413 return 00;
1414 }
1415
1416 l_encoding_value_ptr = l_tmp_data;
1417 /* update pointer array*/
1418 for (compno = 0; compno < p_image->numcomps; ++compno) {
1419 l_tmp_ptr[compno] = l_encoding_value_ptr;
1420 l_encoding_value_ptr += l_data_stride;
1421 }
1422
1423 /* get encoding parameters*/
1424 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);
1425
1426 /* step calculations*/
1427 l_step_p = 1;
1428 l_step_c = l_max_prec * l_step_p;
1429 l_step_r = p_image->numcomps * l_step_c;
1430 l_step_l = l_max_res * l_step_r;
1431
1432 /* set values for first packet iterator*/
1433 l_pi->tp_on = p_cp->m_specific_param.m_enc.m_tp_on;
1434 l_current_pi = l_pi;
1435
1436 /* memory allocation for include*/
1437 l_current_pi->include = (OPJ_INT16*) opj_calloc(l_tcp->numlayers * l_step_l, sizeof(OPJ_INT16));
1438 if (!l_current_pi->include) {
1439 opj_free(l_tmp_data);
1440 opj_free(l_tmp_ptr);
1441 opj_pi_destroy(l_pi, l_bound);
1442 return 00;
1443 }
1444
1445 /* special treatment for the first packet iterator*/
1446 l_current_comp = l_current_pi->comps;
1447 l_img_comp = p_image->comps;
1448 l_tccp = l_tcp->tccps;
1449 l_current_pi->tx0 = l_tx0;
1450 l_current_pi->ty0 = l_ty0;
1451 l_current_pi->tx1 = l_tx1;
1452 l_current_pi->ty1 = l_ty1;
1453 l_current_pi->dx = l_dx_min;
1454 l_current_pi->dy = l_dy_min;
1455 l_current_pi->step_p = l_step_p;
1456 l_current_pi->step_c = l_step_c;
1457 l_current_pi->step_r = l_step_r;
1458 l_current_pi->step_l = l_step_l;
1459
1460 /* allocation for components and number of components has already been calculated by opj_pi_create */
1461 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1462 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1463 l_encoding_value_ptr = l_tmp_ptr[compno];
1464
1465 l_current_comp->dx = l_img_comp->dx;
1466 l_current_comp->dy = l_img_comp->dy;
1467
1468 /* resolutions have already been initialized */
1469 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1470 l_res->pdx = *(l_encoding_value_ptr++);
1471 l_res->pdy = *(l_encoding_value_ptr++);
1472 l_res->pw = *(l_encoding_value_ptr++);
1473 l_res->ph = *(l_encoding_value_ptr++);
1474 ++l_res;
1475 }
1476
1477 ++l_current_comp;
1478 ++l_img_comp;
1479 ++l_tccp;
1480 }
1481 ++l_current_pi;
1482
1483 for (pino = 1 ; pino<l_bound ; ++pino ) {
1484 l_current_comp = l_current_pi->comps;
1485 l_img_comp = p_image->comps;
1486 l_tccp = l_tcp->tccps;
1487
1488 l_current_pi->tx0 = l_tx0;
1489 l_current_pi->ty0 = l_ty0;
1490 l_current_pi->tx1 = l_tx1;
1491 l_current_pi->ty1 = l_ty1;
1492 l_current_pi->dx = l_dx_min;
1493 l_current_pi->dy = l_dy_min;
1494 l_current_pi->step_p = l_step_p;
1495 l_current_pi->step_c = l_step_c;
1496 l_current_pi->step_r = l_step_r;
1497 l_current_pi->step_l = l_step_l;
1498
1499 /* allocation for components and number of components has already been calculated by opj_pi_create */
1500 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1501 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1502 l_encoding_value_ptr = l_tmp_ptr[compno];
1503
1504 l_current_comp->dx = l_img_comp->dx;
1505 l_current_comp->dy = l_img_comp->dy;
1506 /* resolutions have already been initialized */
1507 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1508 l_res->pdx = *(l_encoding_value_ptr++);
1509 l_res->pdy = *(l_encoding_value_ptr++);
1510 l_res->pw = *(l_encoding_value_ptr++);
1511 l_res->ph = *(l_encoding_value_ptr++);
1512 ++l_res;
1513 }
1514 ++l_current_comp;
1515 ++l_img_comp;
1516 ++l_tccp;
1517 }
1518
1519 /* special treatment*/
1520 l_current_pi->include = (l_current_pi-1)->include;
1521 ++l_current_pi;
1522 }
1523
1524 opj_free(l_tmp_data);
1525 l_tmp_data = 00;
1526 opj_free(l_tmp_ptr);
1527 l_tmp_ptr = 00;
1528
1529 if (l_tcp->POC && (OPJ_IS_CINEMA(p_cp->rsiz) || p_t2_mode == FINAL_PASS)) {
1530 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);
1531 }
1532 else {
1533 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);
1534 }
1535
1536 return l_pi;
1537 }
1538
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)1539 void opj_pi_create_encode( opj_pi_iterator_t *pi,
1540 opj_cp_t *cp,
1541 OPJ_UINT32 tileno,
1542 OPJ_UINT32 pino,
1543 OPJ_UINT32 tpnum,
1544 OPJ_INT32 tppos,
1545 J2K_T2_MODE t2_mode)
1546 {
1547 const OPJ_CHAR *prog;
1548 OPJ_INT32 i;
1549 OPJ_UINT32 incr_top=1,resetX=0;
1550 opj_tcp_t *tcps =&cp->tcps[tileno];
1551 opj_poc_t *tcp= &tcps->pocs[pino];
1552
1553 prog = opj_j2k_convert_progression_order(tcp->prg);
1554
1555 pi[pino].first = 1;
1556 pi[pino].poc.prg = tcp->prg;
1557
1558 if(!(cp->m_specific_param.m_enc.m_tp_on && ((!OPJ_IS_CINEMA(cp->rsiz) && (t2_mode == FINAL_PASS)) || OPJ_IS_CINEMA(cp->rsiz)))){
1559 pi[pino].poc.resno0 = tcp->resS;
1560 pi[pino].poc.resno1 = tcp->resE;
1561 pi[pino].poc.compno0 = tcp->compS;
1562 pi[pino].poc.compno1 = tcp->compE;
1563 pi[pino].poc.layno0 = tcp->layS;
1564 pi[pino].poc.layno1 = tcp->layE;
1565 pi[pino].poc.precno0 = tcp->prcS;
1566 pi[pino].poc.precno1 = tcp->prcE;
1567 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1568 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1569 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1570 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1571 }else {
1572 for(i=tppos+1;i<4;i++){
1573 switch(prog[i]){
1574 case 'R':
1575 pi[pino].poc.resno0 = tcp->resS;
1576 pi[pino].poc.resno1 = tcp->resE;
1577 break;
1578 case 'C':
1579 pi[pino].poc.compno0 = tcp->compS;
1580 pi[pino].poc.compno1 = tcp->compE;
1581 break;
1582 case 'L':
1583 pi[pino].poc.layno0 = tcp->layS;
1584 pi[pino].poc.layno1 = tcp->layE;
1585 break;
1586 case 'P':
1587 switch(tcp->prg){
1588 case OPJ_LRCP:
1589 case OPJ_RLCP:
1590 pi[pino].poc.precno0 = tcp->prcS;
1591 pi[pino].poc.precno1 = tcp->prcE;
1592 break;
1593 default:
1594 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1595 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1596 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1597 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1598 break;
1599 }
1600 break;
1601 }
1602 }
1603
1604 if(tpnum==0){
1605 for(i=tppos;i>=0;i--){
1606 switch(prog[i]){
1607 case 'C':
1608 tcp->comp_t = tcp->compS;
1609 pi[pino].poc.compno0 = tcp->comp_t;
1610 pi[pino].poc.compno1 = tcp->comp_t+1;
1611 tcp->comp_t+=1;
1612 break;
1613 case 'R':
1614 tcp->res_t = tcp->resS;
1615 pi[pino].poc.resno0 = tcp->res_t;
1616 pi[pino].poc.resno1 = tcp->res_t+1;
1617 tcp->res_t+=1;
1618 break;
1619 case 'L':
1620 tcp->lay_t = tcp->layS;
1621 pi[pino].poc.layno0 = tcp->lay_t;
1622 pi[pino].poc.layno1 = tcp->lay_t+1;
1623 tcp->lay_t+=1;
1624 break;
1625 case 'P':
1626 switch(tcp->prg){
1627 case OPJ_LRCP:
1628 case OPJ_RLCP:
1629 tcp->prc_t = tcp->prcS;
1630 pi[pino].poc.precno0 = tcp->prc_t;
1631 pi[pino].poc.precno1 = tcp->prc_t+1;
1632 tcp->prc_t+=1;
1633 break;
1634 default:
1635 tcp->tx0_t = tcp->txS;
1636 tcp->ty0_t = tcp->tyS;
1637 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1638 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
1639 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1640 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1641 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1642 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1643 break;
1644 }
1645 break;
1646 }
1647 }
1648 incr_top=1;
1649 }else{
1650 for(i=tppos;i>=0;i--){
1651 switch(prog[i]){
1652 case 'C':
1653 pi[pino].poc.compno0 = tcp->comp_t-1;
1654 pi[pino].poc.compno1 = tcp->comp_t;
1655 break;
1656 case 'R':
1657 pi[pino].poc.resno0 = tcp->res_t-1;
1658 pi[pino].poc.resno1 = tcp->res_t;
1659 break;
1660 case 'L':
1661 pi[pino].poc.layno0 = tcp->lay_t-1;
1662 pi[pino].poc.layno1 = tcp->lay_t;
1663 break;
1664 case 'P':
1665 switch(tcp->prg){
1666 case OPJ_LRCP:
1667 case OPJ_RLCP:
1668 pi[pino].poc.precno0 = tcp->prc_t-1;
1669 pi[pino].poc.precno1 = tcp->prc_t;
1670 break;
1671 default:
1672 pi[pino].poc.tx0 = (OPJ_INT32)(tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx));
1673 pi[pino].poc.tx1 = (OPJ_INT32)tcp->tx0_t ;
1674 pi[pino].poc.ty0 = (OPJ_INT32)(tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy));
1675 pi[pino].poc.ty1 = (OPJ_INT32)tcp->ty0_t ;
1676 break;
1677 }
1678 break;
1679 }
1680 if(incr_top==1){
1681 switch(prog[i]){
1682 case 'R':
1683 if(tcp->res_t==tcp->resE){
1684 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1685 tcp->res_t = tcp->resS;
1686 pi[pino].poc.resno0 = tcp->res_t;
1687 pi[pino].poc.resno1 = tcp->res_t+1;
1688 tcp->res_t+=1;
1689 incr_top=1;
1690 }else{
1691 incr_top=0;
1692 }
1693 }else{
1694 pi[pino].poc.resno0 = tcp->res_t;
1695 pi[pino].poc.resno1 = tcp->res_t+1;
1696 tcp->res_t+=1;
1697 incr_top=0;
1698 }
1699 break;
1700 case 'C':
1701 if(tcp->comp_t ==tcp->compE){
1702 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1703 tcp->comp_t = tcp->compS;
1704 pi[pino].poc.compno0 = tcp->comp_t;
1705 pi[pino].poc.compno1 = tcp->comp_t+1;
1706 tcp->comp_t+=1;
1707 incr_top=1;
1708 }else{
1709 incr_top=0;
1710 }
1711 }else{
1712 pi[pino].poc.compno0 = tcp->comp_t;
1713 pi[pino].poc.compno1 = tcp->comp_t+1;
1714 tcp->comp_t+=1;
1715 incr_top=0;
1716 }
1717 break;
1718 case 'L':
1719 if(tcp->lay_t == tcp->layE){
1720 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1721 tcp->lay_t = tcp->layS;
1722 pi[pino].poc.layno0 = tcp->lay_t;
1723 pi[pino].poc.layno1 = tcp->lay_t+1;
1724 tcp->lay_t+=1;
1725 incr_top=1;
1726 }else{
1727 incr_top=0;
1728 }
1729 }else{
1730 pi[pino].poc.layno0 = tcp->lay_t;
1731 pi[pino].poc.layno1 = tcp->lay_t+1;
1732 tcp->lay_t+=1;
1733 incr_top=0;
1734 }
1735 break;
1736 case 'P':
1737 switch(tcp->prg){
1738 case OPJ_LRCP:
1739 case OPJ_RLCP:
1740 if(tcp->prc_t == tcp->prcE){
1741 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1742 tcp->prc_t = tcp->prcS;
1743 pi[pino].poc.precno0 = tcp->prc_t;
1744 pi[pino].poc.precno1 = tcp->prc_t+1;
1745 tcp->prc_t+=1;
1746 incr_top=1;
1747 }else{
1748 incr_top=0;
1749 }
1750 }else{
1751 pi[pino].poc.precno0 = tcp->prc_t;
1752 pi[pino].poc.precno1 = tcp->prc_t+1;
1753 tcp->prc_t+=1;
1754 incr_top=0;
1755 }
1756 break;
1757 default:
1758 if(tcp->tx0_t >= tcp->txE){
1759 if(tcp->ty0_t >= tcp->tyE){
1760 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1761 tcp->ty0_t = tcp->tyS;
1762 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1763 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1764 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1765 incr_top=1;resetX=1;
1766 }else{
1767 incr_top=0;resetX=0;
1768 }
1769 }else{
1770 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1771 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1772 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1773 incr_top=0;resetX=1;
1774 }
1775 if(resetX==1){
1776 tcp->tx0_t = tcp->txS;
1777 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1778 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx));
1779 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1780 }
1781 }else{
1782 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1783 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx));
1784 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1785 incr_top=0;
1786 }
1787 break;
1788 }
1789 break;
1790 }
1791 }
1792 }
1793 }
1794 }
1795 }
1796
opj_pi_destroy(opj_pi_iterator_t * p_pi,OPJ_UINT32 p_nb_elements)1797 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
1798 OPJ_UINT32 p_nb_elements)
1799 {
1800 OPJ_UINT32 compno, pino;
1801 opj_pi_iterator_t *l_current_pi = p_pi;
1802 if (p_pi) {
1803 if (p_pi->include) {
1804 opj_free(p_pi->include);
1805 p_pi->include = 00;
1806 }
1807 for (pino = 0; pino < p_nb_elements; ++pino){
1808 if(l_current_pi->comps) {
1809 opj_pi_comp_t *l_current_component = l_current_pi->comps;
1810 for (compno = 0; compno < l_current_pi->numcomps; compno++){
1811 if(l_current_component->resolutions) {
1812 opj_free(l_current_component->resolutions);
1813 l_current_component->resolutions = 00;
1814 }
1815
1816 ++l_current_component;
1817 }
1818 opj_free(l_current_pi->comps);
1819 l_current_pi->comps = 0;
1820 }
1821 ++l_current_pi;
1822 }
1823 opj_free(p_pi);
1824 }
1825 }
1826
1827
1828
opj_pi_update_encoding_parameters(const opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)1829 void opj_pi_update_encoding_parameters( const opj_image_t *p_image,
1830 opj_cp_t *p_cp,
1831 OPJ_UINT32 p_tile_no )
1832 {
1833 /* encoding parameters to set */
1834 OPJ_UINT32 l_max_res;
1835 OPJ_UINT32 l_max_prec;
1836 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1837 OPJ_UINT32 l_dx_min,l_dy_min;
1838
1839 /* pointers */
1840 opj_tcp_t *l_tcp = 00;
1841
1842 /* preconditions */
1843 assert(p_cp != 00);
1844 assert(p_image != 00);
1845 assert(p_tile_no < p_cp->tw * p_cp->th);
1846
1847 l_tcp = &(p_cp->tcps[p_tile_no]);
1848
1849 /* get encoding parameters */
1850 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);
1851
1852 if (l_tcp->POC) {
1853 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);
1854 }
1855 else {
1856 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);
1857 }
1858 }
1859
opj_pi_next(opj_pi_iterator_t * pi)1860 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi) {
1861 switch (pi->poc.prg) {
1862 case OPJ_LRCP:
1863 return opj_pi_next_lrcp(pi);
1864 case OPJ_RLCP:
1865 return opj_pi_next_rlcp(pi);
1866 case OPJ_RPCL:
1867 return opj_pi_next_rpcl(pi);
1868 case OPJ_PCRL:
1869 return opj_pi_next_pcrl(pi);
1870 case OPJ_CPRL:
1871 return opj_pi_next_cprl(pi);
1872 case OPJ_PROG_UNKNOWN:
1873 return OPJ_FALSE;
1874 }
1875
1876 return OPJ_FALSE;
1877 }
1878