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 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include "opj_includes.h"
34
35 /** @defgroup PI PI - Implementation of a packet iterator */
36 /*@{*/
37
38 /** @name Local static functions */
39 /*@{*/
40
41 /**
42 Get next packet in layer-resolution-component-precinct order.
43 @param pi packet iterator to modify
44 @return returns false if pi pointed to the last packet or else returns true
45 */
46 static OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi);
47 /**
48 Get next packet in resolution-layer-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_rlcp(opj_pi_iterator_t * pi);
53 /**
54 Get next packet in resolution-precinct-component-layer 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_rpcl(opj_pi_iterator_t * pi);
59 /**
60 Get next packet in precinct-component-resolution-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_pcrl(opj_pi_iterator_t * pi);
65 /**
66 Get next packet in component-precinct-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_cprl(opj_pi_iterator_t * pi);
71
72 /**
73 * Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used).
74 *
75 * @param p_cp the coding parameters to modify
76 * @param p_tileno the tile index being concerned.
77 * @param p_tx0 X0 parameter for the tile
78 * @param p_tx1 X1 parameter for the tile
79 * @param p_ty0 Y0 parameter for the tile
80 * @param p_ty1 Y1 parameter for the tile
81 * @param p_max_prec the maximum precision for all the bands of the tile
82 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
83 * @param p_dx_min the minimum dx of all the components of all the resolutions for the tile.
84 * @param p_dy_min the minimum dy of all the components of all the resolutions for the tile.
85 */
86 static void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
87 OPJ_UINT32 p_tileno,
88 OPJ_INT32 p_tx0,
89 OPJ_INT32 p_tx1,
90 OPJ_INT32 p_ty0,
91 OPJ_INT32 p_ty1,
92 OPJ_UINT32 p_max_prec,
93 OPJ_UINT32 p_max_res,
94 OPJ_UINT32 p_dx_min,
95 OPJ_UINT32 p_dy_min);
96
97 /**
98 * Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used).
99 *
100 * @param p_cp the coding parameters to modify
101 * @param p_num_comps the number of components
102 * @param p_tileno the tile index being concerned.
103 * @param p_tx0 X0 parameter for the tile
104 * @param p_tx1 X1 parameter for the tile
105 * @param p_ty0 Y0 parameter for the tile
106 * @param p_ty1 Y1 parameter for the tile
107 * @param p_max_prec the maximum precision for all the bands of the tile
108 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
109 * @param p_dx_min the minimum dx of all the components of all the resolutions for the tile.
110 * @param p_dy_min the minimum dy of all the components of all the resolutions for the tile.
111 */
112 static void opj_pi_update_encode_not_poc ( opj_cp_t *p_cp,
113 OPJ_UINT32 p_num_comps,
114 OPJ_UINT32 p_tileno,
115 OPJ_INT32 p_tx0,
116 OPJ_INT32 p_tx1,
117 OPJ_INT32 p_ty0,
118 OPJ_INT32 p_ty1,
119 OPJ_UINT32 p_max_prec,
120 OPJ_UINT32 p_max_res,
121 OPJ_UINT32 p_dx_min,
122 OPJ_UINT32 p_dy_min);
123 /**
124 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
125 *
126 * @param p_image the image being encoded.
127 * @param p_cp the coding parameters.
128 * @param tileno the tile index of the tile being encoded.
129 * @param p_tx0 pointer that will hold the X0 parameter for the tile
130 * @param p_tx1 pointer that will hold the X1 parameter for the tile
131 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
132 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
133 * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
134 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
135 * @param p_dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
136 * @param p_dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
137 */
138 static void opj_get_encoding_parameters(const opj_image_t *p_image,
139 const opj_cp_t *p_cp,
140 OPJ_UINT32 tileno,
141 OPJ_INT32 * p_tx0,
142 OPJ_INT32 * p_tx1,
143 OPJ_INT32 * p_ty0,
144 OPJ_INT32 * p_ty1,
145 OPJ_UINT32 * p_dx_min,
146 OPJ_UINT32 * p_dy_min,
147 OPJ_UINT32 * p_max_prec,
148 OPJ_UINT32 * p_max_res );
149
150 /**
151 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
152 * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
153 * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
154 * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
155 * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...
156 *
157 * @param p_image the image being encoded.
158 * @param p_cp the coding parameters.
159 * @param tileno the tile index of the tile being encoded.
160 * @param p_tx0 pointer that will hold the X0 parameter for the tile
161 * @param p_tx1 pointer that will hold the X1 parameter for the tile
162 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
163 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
164 * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
165 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
166 * @param p_dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
167 * @param p_dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
168 * @param p_resolutions pointer to an area corresponding to the one described above.
169 */
170 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
171 const opj_cp_t *p_cp,
172 OPJ_UINT32 tileno,
173 OPJ_INT32 * p_tx0,
174 OPJ_INT32 * p_tx1,
175 OPJ_INT32 * p_ty0,
176 OPJ_INT32 * p_ty1,
177 OPJ_UINT32 * p_dx_min,
178 OPJ_UINT32 * p_dy_min,
179 OPJ_UINT32 * p_max_prec,
180 OPJ_UINT32 * p_max_res,
181 OPJ_UINT32 ** p_resolutions );
182 /**
183 * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
184 * No other data is set. The include section of the packet iterator is not allocated.
185 *
186 * @param p_image the image used to initialize the packet iterator (in fact only the number of components is relevant.
187 * @param p_cp the coding parameters.
188 * @param tileno the index of the tile from which creating the packet iterator.
189 */
190 static opj_pi_iterator_t * opj_pi_create( const opj_image_t *p_image,
191 const opj_cp_t *p_cp,
192 OPJ_UINT32 tileno );
193 /**
194 * FIXME DOC
195 */
196 static void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
197 opj_tcp_t * p_tcp,
198 OPJ_UINT32 p_max_precision,
199 OPJ_UINT32 p_max_res);
200 /**
201 * FIXME DOC
202 */
203 static void opj_pi_update_decode_poc ( opj_pi_iterator_t * p_pi,
204 opj_tcp_t * p_tcp,
205 OPJ_UINT32 p_max_precision,
206 OPJ_UINT32 p_max_res);
207
208 /**
209 * FIXME DOC
210 */
211 OPJ_BOOL opj_pi_check_next_level( OPJ_INT32 pos,
212 opj_cp_t *cp,
213 OPJ_UINT32 tileno,
214 OPJ_UINT32 pino,
215 const OPJ_CHAR *prog);
216
217 /*@}*/
218
219 /*@}*/
220
221 /*
222 ==========================================================
223 local functions
224 ==========================================================
225 */
226
opj_pi_next_lrcp(opj_pi_iterator_t * pi)227 OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi) {
228 opj_pi_comp_t *comp = NULL;
229 opj_pi_resolution_t *res = NULL;
230 OPJ_UINT32 index = 0;
231
232 if (!pi->first) {
233 comp = &pi->comps[pi->compno];
234 res = &comp->resolutions[pi->resno];
235 goto LABEL_SKIP;
236 } else {
237 pi->first = 0;
238 }
239
240 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
241 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
242 pi->resno++) {
243 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
244 comp = &pi->comps[pi->compno];
245 if (pi->resno >= comp->numresolutions) {
246 continue;
247 }
248 res = &comp->resolutions[pi->resno];
249 if (!pi->tp_on){
250 pi->poc.precno1 = res->pw * res->ph;
251 }
252 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
253 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
254 if (!pi->include[index]) {
255 pi->include[index] = 1;
256 return OPJ_TRUE;
257 }
258 LABEL_SKIP:;
259 }
260 }
261 }
262 }
263
264 return OPJ_FALSE;
265 }
266
opj_pi_next_rlcp(opj_pi_iterator_t * pi)267 OPJ_BOOL opj_pi_next_rlcp(opj_pi_iterator_t * pi) {
268 opj_pi_comp_t *comp = NULL;
269 opj_pi_resolution_t *res = NULL;
270 OPJ_UINT32 index = 0;
271
272 if (!pi->first) {
273 comp = &pi->comps[pi->compno];
274 res = &comp->resolutions[pi->resno];
275 goto LABEL_SKIP;
276 } else {
277 pi->first = 0;
278 }
279
280 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
281 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
282 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
283 comp = &pi->comps[pi->compno];
284 if (pi->resno >= comp->numresolutions) {
285 continue;
286 }
287 res = &comp->resolutions[pi->resno];
288 if(!pi->tp_on){
289 pi->poc.precno1 = res->pw * res->ph;
290 }
291 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
292 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
293 if (!pi->include[index]) {
294 pi->include[index] = 1;
295 return OPJ_TRUE;
296 }
297 LABEL_SKIP:;
298 }
299 }
300 }
301 }
302
303 return OPJ_FALSE;
304 }
305
opj_pi_next_rpcl(opj_pi_iterator_t * pi)306 OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi) {
307 opj_pi_comp_t *comp = NULL;
308 opj_pi_resolution_t *res = NULL;
309 OPJ_UINT32 index = 0;
310
311 if (!pi->first) {
312 goto LABEL_SKIP;
313 } else {
314 OPJ_UINT32 compno, resno;
315 pi->first = 0;
316 pi->dx = 0;
317 pi->dy = 0;
318 for (compno = 0; compno < pi->numcomps; compno++) {
319 comp = &pi->comps[compno];
320 for (resno = 0; resno < comp->numresolutions; resno++) {
321 OPJ_UINT32 dx, dy;
322 res = &comp->resolutions[resno];
323 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
324 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
325 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
326 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
327 }
328 }
329 }
330 if (!pi->tp_on){
331 pi->poc.ty0 = pi->ty0;
332 pi->poc.tx0 = pi->tx0;
333 pi->poc.ty1 = pi->ty1;
334 pi->poc.tx1 = pi->tx1;
335 }
336 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
337 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))) {
338 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))) {
339 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
340 OPJ_UINT32 levelno;
341 OPJ_INT32 trx0, try0;
342 OPJ_INT32 trx1, try1;
343 OPJ_UINT32 rpx, rpy;
344 OPJ_INT32 prci, prcj;
345 comp = &pi->comps[pi->compno];
346 if (pi->resno >= comp->numresolutions) {
347 continue;
348 }
349 res = &comp->resolutions[pi->resno];
350 levelno = comp->numresolutions - 1 - pi->resno;
351 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
352 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
353 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
354 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
355 rpx = res->pdx + levelno;
356 rpy = res->pdy + levelno;
357 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
358 continue;
359 }
360 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
361 continue;
362 }
363
364 if ((res->pw==0)||(res->ph==0)) continue;
365
366 if ((trx0==trx1)||(try0==try1)) continue;
367
368 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
369 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
370 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
371 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
372 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
373 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
374 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
375 if (!pi->include[index]) {
376 pi->include[index] = 1;
377 return OPJ_TRUE;
378 }
379 LABEL_SKIP:;
380 }
381 }
382 }
383 }
384 }
385
386 return OPJ_FALSE;
387 }
388
opj_pi_next_pcrl(opj_pi_iterator_t * pi)389 OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi) {
390 opj_pi_comp_t *comp = NULL;
391 opj_pi_resolution_t *res = NULL;
392 OPJ_UINT32 index = 0;
393
394 if (!pi->first) {
395 comp = &pi->comps[pi->compno];
396 goto LABEL_SKIP;
397 } else {
398 OPJ_UINT32 compno, resno;
399 pi->first = 0;
400 pi->dx = 0;
401 pi->dy = 0;
402 for (compno = 0; compno < pi->numcomps; compno++) {
403 comp = &pi->comps[compno];
404 for (resno = 0; resno < comp->numresolutions; resno++) {
405 OPJ_UINT32 dx, dy;
406 res = &comp->resolutions[resno];
407 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
408 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
409 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
410 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
411 }
412 }
413 }
414 if (!pi->tp_on){
415 pi->poc.ty0 = pi->ty0;
416 pi->poc.tx0 = pi->tx0;
417 pi->poc.ty1 = pi->ty1;
418 pi->poc.tx1 = pi->tx1;
419 }
420 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))) {
421 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))) {
422 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
423 comp = &pi->comps[pi->compno];
424 for (pi->resno = pi->poc.resno0; pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
425 OPJ_UINT32 levelno;
426 OPJ_INT32 trx0, try0;
427 OPJ_INT32 trx1, try1;
428 OPJ_UINT32 rpx, rpy;
429 OPJ_INT32 prci, prcj;
430 res = &comp->resolutions[pi->resno];
431 levelno = comp->numresolutions - 1 - pi->resno;
432 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
433 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
434 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
435 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
436 rpx = res->pdx + levelno;
437 rpy = res->pdy + levelno;
438 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
439 continue;
440 }
441 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
442 continue;
443 }
444
445 if ((res->pw==0)||(res->ph==0)) continue;
446
447 if ((trx0==trx1)||(try0==try1)) continue;
448
449 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
450 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
451 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
452 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
453 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
454 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
455 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
456 if (!pi->include[index]) {
457 pi->include[index] = 1;
458 return OPJ_TRUE;
459 }
460 LABEL_SKIP:;
461 }
462 }
463 }
464 }
465 }
466
467 return OPJ_FALSE;
468 }
469
opj_pi_next_cprl(opj_pi_iterator_t * pi)470 OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi) {
471 opj_pi_comp_t *comp = NULL;
472 opj_pi_resolution_t *res = NULL;
473 OPJ_UINT32 index = 0;
474
475 if (!pi->first) {
476 comp = &pi->comps[pi->compno];
477 goto LABEL_SKIP;
478 } else {
479 pi->first = 0;
480 }
481
482 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
483 OPJ_UINT32 resno;
484 comp = &pi->comps[pi->compno];
485 pi->dx = 0;
486 pi->dy = 0;
487 for (resno = 0; resno < comp->numresolutions; resno++) {
488 OPJ_UINT32 dx, dy;
489 res = &comp->resolutions[resno];
490 dx = comp->dx * (1u << (res->pdx + comp->numresolutions - 1 - resno));
491 dy = comp->dy * (1u << (res->pdy + comp->numresolutions - 1 - resno));
492 pi->dx = !pi->dx ? dx : opj_uint_min(pi->dx, dx);
493 pi->dy = !pi->dy ? dy : opj_uint_min(pi->dy, dy);
494 }
495 if (!pi->tp_on){
496 pi->poc.ty0 = pi->ty0;
497 pi->poc.tx0 = pi->tx0;
498 pi->poc.ty1 = pi->ty1;
499 pi->poc.tx1 = pi->tx1;
500 }
501 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))) {
502 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))) {
503 for (pi->resno = pi->poc.resno0; pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
504 OPJ_UINT32 levelno;
505 OPJ_INT32 trx0, try0;
506 OPJ_INT32 trx1, try1;
507 OPJ_UINT32 rpx, rpy;
508 OPJ_INT32 prci, prcj;
509 res = &comp->resolutions[pi->resno];
510 levelno = comp->numresolutions - 1 - pi->resno;
511 trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
512 try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
513 trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
514 try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
515 rpx = res->pdx + levelno;
516 rpy = res->pdy + levelno;
517 if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
518 continue;
519 }
520 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
521 continue;
522 }
523
524 if ((res->pw==0)||(res->ph==0)) continue;
525
526 if ((trx0==trx1)||(try0==try1)) continue;
527
528 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
529 - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
530 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
531 - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
532 pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
533 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
534 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
535 if (!pi->include[index]) {
536 pi->include[index] = 1;
537 return OPJ_TRUE;
538 }
539 LABEL_SKIP:;
540 }
541 }
542 }
543 }
544 }
545
546 return OPJ_FALSE;
547 }
548
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)549 void opj_get_encoding_parameters( const opj_image_t *p_image,
550 const opj_cp_t *p_cp,
551 OPJ_UINT32 p_tileno,
552 OPJ_INT32 * p_tx0,
553 OPJ_INT32 * p_tx1,
554 OPJ_INT32 * p_ty0,
555 OPJ_INT32 * p_ty1,
556 OPJ_UINT32 * p_dx_min,
557 OPJ_UINT32 * p_dy_min,
558 OPJ_UINT32 * p_max_prec,
559 OPJ_UINT32 * p_max_res )
560 {
561 /* loop */
562 OPJ_UINT32 compno, resno;
563 /* pointers */
564 const opj_tcp_t *l_tcp = 00;
565 const opj_tccp_t * l_tccp = 00;
566 const opj_image_comp_t * l_img_comp = 00;
567
568 /* position in x and y of tile */
569 OPJ_UINT32 p, q;
570
571 /* preconditions */
572 assert(p_cp != 00);
573 assert(p_image != 00);
574 assert(p_tileno < p_cp->tw * p_cp->th);
575
576 /* initializations */
577 l_tcp = &p_cp->tcps [p_tileno];
578 l_img_comp = p_image->comps;
579 l_tccp = l_tcp->tccps;
580
581 /* here calculation of tx0, tx1, ty0, ty1, maxprec, dx and dy */
582 p = p_tileno % p_cp->tw;
583 q = p_tileno / p_cp->tw;
584
585 /* find extent of tile */
586 *p_tx0 = opj_int_max((OPJ_INT32)(p_cp->tx0 + p * p_cp->tdx), (OPJ_INT32)p_image->x0);
587 *p_tx1 = opj_int_min((OPJ_INT32)(p_cp->tx0 + (p + 1) * p_cp->tdx), (OPJ_INT32)p_image->x1);
588 *p_ty0 = opj_int_max((OPJ_INT32)(p_cp->ty0 + q * p_cp->tdy), (OPJ_INT32)p_image->y0);
589 *p_ty1 = opj_int_min((OPJ_INT32)(p_cp->ty0 + (q + 1) * p_cp->tdy), (OPJ_INT32)p_image->y1);
590
591 /* max precision is 0 (can only grow) */
592 *p_max_prec = 0;
593 *p_max_res = 0;
594
595 /* take the largest value for dx_min and dy_min */
596 *p_dx_min = 0x7fffffff;
597 *p_dy_min = 0x7fffffff;
598
599 for (compno = 0; compno < p_image->numcomps; ++compno) {
600 /* arithmetic variables to calculate */
601 OPJ_UINT32 l_level_no;
602 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
603 OPJ_INT32 l_px0, l_py0, l_px1, py1;
604 OPJ_UINT32 l_pdx, l_pdy;
605 OPJ_UINT32 l_pw, l_ph;
606 OPJ_UINT32 l_product;
607 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
608
609 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
610 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
611 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
612 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
613
614 if (l_tccp->numresolutions > *p_max_res) {
615 *p_max_res = l_tccp->numresolutions;
616 }
617
618 /* use custom size for precincts */
619 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
620 OPJ_UINT32 l_dx, l_dy;
621
622 /* precinct width and height */
623 l_pdx = l_tccp->prcw[resno];
624 l_pdy = l_tccp->prch[resno];
625
626 l_dx = l_img_comp->dx * (1u << (l_pdx + l_tccp->numresolutions - 1 - resno));
627 l_dy = l_img_comp->dy * (1u << (l_pdy + l_tccp->numresolutions - 1 - resno));
628
629 /* take the minimum size for dx for each comp and resolution */
630 *p_dx_min = opj_uint_min(*p_dx_min, l_dx);
631 *p_dy_min = opj_uint_min(*p_dy_min, l_dy);
632
633 /* various calculations of extents */
634 l_level_no = l_tccp->numresolutions - 1 - resno;
635
636 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
637 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
638 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
639 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
640
641 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
642 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
643 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
644
645 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
646
647 l_pw = (l_rx0==l_rx1)?0:(OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
648 l_ph = (l_ry0==l_ry1)?0:(OPJ_UINT32)((py1 - l_py0) >> l_pdy);
649
650 l_product = l_pw * l_ph;
651
652 /* update precision */
653 if (l_product > *p_max_prec) {
654 *p_max_prec = l_product;
655 }
656 }
657 ++l_img_comp;
658 ++l_tccp;
659 }
660 }
661
662
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)663 void opj_get_all_encoding_parameters( const opj_image_t *p_image,
664 const opj_cp_t *p_cp,
665 OPJ_UINT32 tileno,
666 OPJ_INT32 * p_tx0,
667 OPJ_INT32 * p_tx1,
668 OPJ_INT32 * p_ty0,
669 OPJ_INT32 * p_ty1,
670 OPJ_UINT32 * p_dx_min,
671 OPJ_UINT32 * p_dy_min,
672 OPJ_UINT32 * p_max_prec,
673 OPJ_UINT32 * p_max_res,
674 OPJ_UINT32 ** p_resolutions )
675 {
676 /* loop*/
677 OPJ_UINT32 compno, resno;
678
679 /* pointers*/
680 const opj_tcp_t *tcp = 00;
681 const opj_tccp_t * l_tccp = 00;
682 const opj_image_comp_t * l_img_comp = 00;
683
684 /* to store l_dx, l_dy, w and h for each resolution and component.*/
685 OPJ_UINT32 * lResolutionPtr;
686
687 /* position in x and y of tile*/
688 OPJ_UINT32 p, q;
689
690 /* preconditions in debug*/
691 assert(p_cp != 00);
692 assert(p_image != 00);
693 assert(tileno < p_cp->tw * p_cp->th);
694
695 /* initializations*/
696 tcp = &p_cp->tcps [tileno];
697 l_tccp = tcp->tccps;
698 l_img_comp = p_image->comps;
699
700 /* position in x and y of tile*/
701 p = tileno % p_cp->tw;
702 q = tileno / p_cp->tw;
703
704 /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
705 *p_tx0 = opj_int_max((OPJ_INT32)(p_cp->tx0 + p * p_cp->tdx), (OPJ_INT32)p_image->x0);
706 *p_tx1 = opj_int_min((OPJ_INT32)(p_cp->tx0 + (p + 1) * p_cp->tdx), (OPJ_INT32)p_image->x1);
707 *p_ty0 = opj_int_max((OPJ_INT32)(p_cp->ty0 + q * p_cp->tdy), (OPJ_INT32)p_image->y0);
708 *p_ty1 = opj_int_min((OPJ_INT32)(p_cp->ty0 + (q + 1) * p_cp->tdy), (OPJ_INT32)p_image->y1);
709
710 /* max precision and resolution is 0 (can only grow)*/
711 *p_max_prec = 0;
712 *p_max_res = 0;
713
714 /* take the largest value for dx_min and dy_min*/
715 *p_dx_min = 0x7fffffff;
716 *p_dy_min = 0x7fffffff;
717
718 for (compno = 0; compno < p_image->numcomps; ++compno) {
719 /* aritmetic variables to calculate*/
720 OPJ_UINT32 l_level_no;
721 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
722 OPJ_INT32 l_px0, l_py0, l_px1, py1;
723 OPJ_UINT32 l_product;
724 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
725 OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph;
726
727 lResolutionPtr = p_resolutions[compno];
728
729 l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
730 l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
731 l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
732 l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
733
734 if (l_tccp->numresolutions > *p_max_res) {
735 *p_max_res = l_tccp->numresolutions;
736 }
737
738 /* use custom size for precincts*/
739 l_level_no = l_tccp->numresolutions - 1;
740 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
741 OPJ_UINT32 l_dx, l_dy;
742
743 /* precinct width and height*/
744 l_pdx = l_tccp->prcw[resno];
745 l_pdy = l_tccp->prch[resno];
746 *lResolutionPtr++ = l_pdx;
747 *lResolutionPtr++ = l_pdy;
748 l_dx = l_img_comp->dx * (1u << (l_pdx + l_level_no));
749 l_dy = l_img_comp->dy * (1u << (l_pdy + l_level_no));
750 /* take the minimum size for l_dx for each comp and resolution*/
751 *p_dx_min = (OPJ_UINT32)opj_int_min((OPJ_INT32)*p_dx_min, (OPJ_INT32)l_dx);
752 *p_dy_min = (OPJ_UINT32)opj_int_min((OPJ_INT32)*p_dy_min, (OPJ_INT32)l_dy);
753
754 /* various calculations of extents*/
755 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
756 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
757 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
758 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
759 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
760 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
761 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
762 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
763 l_pw = (l_rx0==l_rx1)?0:(OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
764 l_ph = (l_ry0==l_ry1)?0:(OPJ_UINT32)((py1 - l_py0) >> l_pdy);
765 *lResolutionPtr++ = l_pw;
766 *lResolutionPtr++ = l_ph;
767 l_product = l_pw * l_ph;
768
769 /* update precision*/
770 if (l_product > *p_max_prec) {
771 *p_max_prec = l_product;
772 }
773
774 --l_level_no;
775 }
776 ++l_tccp;
777 ++l_img_comp;
778 }
779 }
780
opj_pi_create(const opj_image_t * image,const opj_cp_t * cp,OPJ_UINT32 tileno)781 opj_pi_iterator_t * opj_pi_create( const opj_image_t *image,
782 const opj_cp_t *cp,
783 OPJ_UINT32 tileno )
784 {
785 /* loop*/
786 OPJ_UINT32 pino, compno;
787 /* number of poc in the p_pi*/
788 OPJ_UINT32 l_poc_bound;
789
790 /* pointers to tile coding parameters and components.*/
791 opj_pi_iterator_t *l_pi = 00;
792 opj_tcp_t *tcp = 00;
793 const opj_tccp_t *tccp = 00;
794
795 /* current packet iterator being allocated*/
796 opj_pi_iterator_t *l_current_pi = 00;
797
798 /* preconditions in debug*/
799 assert(cp != 00);
800 assert(image != 00);
801 assert(tileno < cp->tw * cp->th);
802
803 /* initializations*/
804 tcp = &cp->tcps[tileno];
805 l_poc_bound = tcp->numpocs+1;
806
807 /* memory allocations*/
808 l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
809 if (!l_pi) {
810 return NULL;
811 }
812 memset(l_pi,0,l_poc_bound * sizeof(opj_pi_iterator_t));
813
814 l_current_pi = l_pi;
815 for (pino = 0; pino < l_poc_bound ; ++pino) {
816
817 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
818 if (! l_current_pi->comps) {
819 opj_pi_destroy(l_pi, l_poc_bound);
820 return NULL;
821 }
822
823 l_current_pi->numcomps = image->numcomps;
824 memset(l_current_pi->comps,0,image->numcomps * sizeof(opj_pi_comp_t));
825
826 for (compno = 0; compno < image->numcomps; ++compno) {
827 opj_pi_comp_t *comp = &l_current_pi->comps[compno];
828
829 tccp = &tcp->tccps[compno];
830
831 comp->resolutions = (opj_pi_resolution_t*) opj_malloc(tccp->numresolutions * sizeof(opj_pi_resolution_t));
832 if (!comp->resolutions) {
833 opj_pi_destroy(l_pi, l_poc_bound);
834 return 00;
835 }
836
837 comp->numresolutions = tccp->numresolutions;
838 memset(comp->resolutions,0,tccp->numresolutions * sizeof(opj_pi_resolution_t));
839 }
840 ++l_current_pi;
841 }
842 return l_pi;
843 }
844
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)845 void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
846 OPJ_UINT32 p_tileno,
847 OPJ_INT32 p_tx0,
848 OPJ_INT32 p_tx1,
849 OPJ_INT32 p_ty0,
850 OPJ_INT32 p_ty1,
851 OPJ_UINT32 p_max_prec,
852 OPJ_UINT32 p_max_res,
853 OPJ_UINT32 p_dx_min,
854 OPJ_UINT32 p_dy_min)
855 {
856 /* loop*/
857 OPJ_UINT32 pino;
858 /* tile coding parameter*/
859 opj_tcp_t *l_tcp = 00;
860 /* current poc being updated*/
861 opj_poc_t * l_current_poc = 00;
862
863 /* number of pocs*/
864 OPJ_UINT32 l_poc_bound;
865
866 OPJ_ARG_NOT_USED(p_max_res);
867
868 /* preconditions in debug*/
869 assert(p_cp != 00);
870 assert(p_tileno < p_cp->tw * p_cp->th);
871
872 /* initializations*/
873 l_tcp = &p_cp->tcps [p_tileno];
874 /* number of iterations in the loop */
875 l_poc_bound = l_tcp->numpocs+1;
876
877 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
878 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
879 l_current_poc = l_tcp->pocs;
880
881 l_current_poc->compS = l_current_poc->compno0;
882 l_current_poc->compE = l_current_poc->compno1;
883 l_current_poc->resS = l_current_poc->resno0;
884 l_current_poc->resE = l_current_poc->resno1;
885 l_current_poc->layE = l_current_poc->layno1;
886
887 /* special treatment for the first element*/
888 l_current_poc->layS = 0;
889 l_current_poc->prg = l_current_poc->prg1;
890 l_current_poc->prcS = 0;
891
892 l_current_poc->prcE = p_max_prec;
893 l_current_poc->txS = (OPJ_UINT32)p_tx0;
894 l_current_poc->txE = (OPJ_UINT32)p_tx1;
895 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
896 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
897 l_current_poc->dx = p_dx_min;
898 l_current_poc->dy = p_dy_min;
899
900 ++ l_current_poc;
901 for (pino = 1;pino < l_poc_bound ; ++pino) {
902 l_current_poc->compS = l_current_poc->compno0;
903 l_current_poc->compE= l_current_poc->compno1;
904 l_current_poc->resS = l_current_poc->resno0;
905 l_current_poc->resE = l_current_poc->resno1;
906 l_current_poc->layE = l_current_poc->layno1;
907 l_current_poc->prg = l_current_poc->prg1;
908 l_current_poc->prcS = 0;
909 /* special treatment here different from the first element*/
910 l_current_poc->layS = (l_current_poc->layE > (l_current_poc-1)->layE) ? l_current_poc->layE : 0;
911
912 l_current_poc->prcE = p_max_prec;
913 l_current_poc->txS = (OPJ_UINT32)p_tx0;
914 l_current_poc->txE = (OPJ_UINT32)p_tx1;
915 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
916 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
917 l_current_poc->dx = p_dx_min;
918 l_current_poc->dy = p_dy_min;
919 ++ l_current_poc;
920 }
921 }
922
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)923 void opj_pi_update_encode_not_poc ( opj_cp_t *p_cp,
924 OPJ_UINT32 p_num_comps,
925 OPJ_UINT32 p_tileno,
926 OPJ_INT32 p_tx0,
927 OPJ_INT32 p_tx1,
928 OPJ_INT32 p_ty0,
929 OPJ_INT32 p_ty1,
930 OPJ_UINT32 p_max_prec,
931 OPJ_UINT32 p_max_res,
932 OPJ_UINT32 p_dx_min,
933 OPJ_UINT32 p_dy_min)
934 {
935 /* loop*/
936 OPJ_UINT32 pino;
937 /* tile coding parameter*/
938 opj_tcp_t *l_tcp = 00;
939 /* current poc being updated*/
940 opj_poc_t * l_current_poc = 00;
941 /* number of pocs*/
942 OPJ_UINT32 l_poc_bound;
943
944 /* preconditions in debug*/
945 assert(p_cp != 00);
946 assert(p_tileno < p_cp->tw * p_cp->th);
947
948 /* initializations*/
949 l_tcp = &p_cp->tcps [p_tileno];
950
951 /* number of iterations in the loop */
952 l_poc_bound = l_tcp->numpocs+1;
953
954 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
955 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
956 l_current_poc = l_tcp->pocs;
957
958 for (pino = 0; pino < l_poc_bound ; ++pino) {
959 l_current_poc->compS = 0;
960 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
961 l_current_poc->resS = 0;
962 l_current_poc->resE = p_max_res;
963 l_current_poc->layS = 0;
964 l_current_poc->layE = l_tcp->numlayers;
965 l_current_poc->prg = l_tcp->prg;
966 l_current_poc->prcS = 0;
967 l_current_poc->prcE = p_max_prec;
968 l_current_poc->txS = (OPJ_UINT32)p_tx0;
969 l_current_poc->txE = (OPJ_UINT32)p_tx1;
970 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
971 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
972 l_current_poc->dx = p_dx_min;
973 l_current_poc->dy = p_dy_min;
974 ++ l_current_poc;
975 }
976 }
977
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)978 void opj_pi_update_decode_poc (opj_pi_iterator_t * p_pi,
979 opj_tcp_t * p_tcp,
980 OPJ_UINT32 p_max_precision,
981 OPJ_UINT32 p_max_res)
982 {
983 /* loop*/
984 OPJ_UINT32 pino;
985
986 /* encoding prameters to set*/
987 OPJ_UINT32 l_bound;
988
989 opj_pi_iterator_t * l_current_pi = 00;
990 opj_poc_t* l_current_poc = 0;
991
992 OPJ_ARG_NOT_USED(p_max_res);
993
994 /* preconditions in debug*/
995 assert(p_pi != 00);
996 assert(p_tcp != 00);
997
998 /* initializations*/
999 l_bound = p_tcp->numpocs+1;
1000 l_current_pi = p_pi;
1001 l_current_poc = p_tcp->pocs;
1002
1003 for (pino = 0;pino<l_bound;++pino) {
1004 l_current_pi->poc.prg = l_current_poc->prg; /* Progression Order #0 */
1005 l_current_pi->first = 1;
1006
1007 l_current_pi->poc.resno0 = l_current_poc->resno0; /* Resolution Level Index #0 (Start) */
1008 l_current_pi->poc.compno0 = l_current_poc->compno0; /* Component Index #0 (Start) */
1009 l_current_pi->poc.layno0 = 0;
1010 l_current_pi->poc.precno0 = 0;
1011 l_current_pi->poc.resno1 = l_current_poc->resno1; /* Resolution Level Index #0 (End) */
1012 l_current_pi->poc.compno1 = l_current_poc->compno1; /* Component Index #0 (End) */
1013 l_current_pi->poc.layno1 = l_current_poc->layno1; /* Layer Index #0 (End) */
1014 l_current_pi->poc.precno1 = p_max_precision;
1015 ++l_current_pi;
1016 ++l_current_poc;
1017 }
1018 }
1019
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)1020 void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
1021 opj_tcp_t * p_tcp,
1022 OPJ_UINT32 p_max_precision,
1023 OPJ_UINT32 p_max_res)
1024 {
1025 /* loop*/
1026 OPJ_UINT32 pino;
1027
1028 /* encoding prameters to set*/
1029 OPJ_UINT32 l_bound;
1030
1031 opj_pi_iterator_t * l_current_pi = 00;
1032 /* preconditions in debug*/
1033 assert(p_tcp != 00);
1034 assert(p_pi != 00);
1035
1036 /* initializations*/
1037 l_bound = p_tcp->numpocs+1;
1038 l_current_pi = p_pi;
1039
1040 for (pino = 0;pino<l_bound;++pino) {
1041 l_current_pi->poc.prg = p_tcp->prg;
1042 l_current_pi->first = 1;
1043 l_current_pi->poc.resno0 = 0;
1044 l_current_pi->poc.compno0 = 0;
1045 l_current_pi->poc.layno0 = 0;
1046 l_current_pi->poc.precno0 = 0;
1047 l_current_pi->poc.resno1 = p_max_res;
1048 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1049 l_current_pi->poc.layno1 = p_tcp->numlayers;
1050 l_current_pi->poc.precno1 = p_max_precision;
1051 ++l_current_pi;
1052 }
1053 }
1054
1055
1056
opj_pi_check_next_level(OPJ_INT32 pos,opj_cp_t * cp,OPJ_UINT32 tileno,OPJ_UINT32 pino,const OPJ_CHAR * prog)1057 OPJ_BOOL opj_pi_check_next_level( OPJ_INT32 pos,
1058 opj_cp_t *cp,
1059 OPJ_UINT32 tileno,
1060 OPJ_UINT32 pino,
1061 const OPJ_CHAR *prog)
1062 {
1063 OPJ_INT32 i;
1064 opj_tcp_t *tcps =&cp->tcps[tileno];
1065 opj_poc_t *tcp = &tcps->pocs[pino];
1066
1067 if(pos>=0){
1068 for(i=pos;pos>=0;i--){
1069 switch(prog[i]){
1070 case 'R':
1071 if(tcp->res_t==tcp->resE){
1072 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1073 return OPJ_TRUE;
1074 }else{
1075 return OPJ_FALSE;
1076 }
1077 }else{
1078 return OPJ_TRUE;
1079 }
1080 break;
1081 case 'C':
1082 if(tcp->comp_t==tcp->compE){
1083 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1084 return OPJ_TRUE;
1085 }else{
1086 return OPJ_FALSE;
1087 }
1088 }else{
1089 return OPJ_TRUE;
1090 }
1091 break;
1092 case 'L':
1093 if(tcp->lay_t==tcp->layE){
1094 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1095 return OPJ_TRUE;
1096 }else{
1097 return OPJ_FALSE;
1098 }
1099 }else{
1100 return OPJ_TRUE;
1101 }
1102 break;
1103 case 'P':
1104 switch(tcp->prg){
1105 case OPJ_LRCP||OPJ_RLCP:
1106 if(tcp->prc_t == tcp->prcE){
1107 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1108 return OPJ_TRUE;
1109 }else{
1110 return OPJ_FALSE;
1111 }
1112 }else{
1113 return OPJ_TRUE;
1114 }
1115 break;
1116 default:
1117 if(tcp->tx0_t == tcp->txE){
1118 /*TY*/
1119 if(tcp->ty0_t == tcp->tyE){
1120 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1121 return OPJ_TRUE;
1122 }else{
1123 return OPJ_FALSE;
1124 }
1125 }else{
1126 return OPJ_TRUE;
1127 }/*TY*/
1128 }else{
1129 return OPJ_TRUE;
1130 }
1131 break;
1132 }/*end case P*/
1133 }/*end switch*/
1134 }/*end for*/
1135 }/*end if*/
1136 return OPJ_FALSE;
1137 }
1138
1139
1140 /*
1141 ==========================================================
1142 Packet iterator interface
1143 ==========================================================
1144 */
opj_pi_create_decode(opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)1145 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
1146 opj_cp_t *p_cp,
1147 OPJ_UINT32 p_tile_no)
1148 {
1149 /* loop */
1150 OPJ_UINT32 pino;
1151 OPJ_UINT32 compno, resno;
1152
1153 /* to store w, h, dx and dy fro all components and resolutions */
1154 OPJ_UINT32 * l_tmp_data;
1155 OPJ_UINT32 ** l_tmp_ptr;
1156
1157 /* encoding prameters to set */
1158 OPJ_UINT32 l_max_res;
1159 OPJ_UINT32 l_max_prec;
1160 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1161 OPJ_UINT32 l_dx_min,l_dy_min;
1162 OPJ_UINT32 l_bound;
1163 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1164 OPJ_UINT32 l_data_stride;
1165
1166 /* pointers */
1167 opj_pi_iterator_t *l_pi = 00;
1168 opj_tcp_t *l_tcp = 00;
1169 const opj_tccp_t *l_tccp = 00;
1170 opj_pi_comp_t *l_current_comp = 00;
1171 opj_image_comp_t * l_img_comp = 00;
1172 opj_pi_iterator_t * l_current_pi = 00;
1173 OPJ_UINT32 * l_encoding_value_ptr = 00;
1174
1175 /* preconditions in debug */
1176 assert(p_cp != 00);
1177 assert(p_image != 00);
1178 assert(p_tile_no < p_cp->tw * p_cp->th);
1179
1180 /* initializations */
1181 l_tcp = &p_cp->tcps[p_tile_no];
1182 l_bound = l_tcp->numpocs+1;
1183
1184 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1185 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1186 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1187 if
1188 (! l_tmp_data)
1189 {
1190 return 00;
1191 }
1192 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1193 p_image->numcomps * sizeof(OPJ_UINT32 *));
1194 if
1195 (! l_tmp_ptr)
1196 {
1197 opj_free(l_tmp_data);
1198 return 00;
1199 }
1200
1201 /* memory allocation for pi */
1202 l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1203 if (!l_pi) {
1204 opj_free(l_tmp_data);
1205 opj_free(l_tmp_ptr);
1206 return 00;
1207 }
1208
1209 l_encoding_value_ptr = l_tmp_data;
1210 /* update pointer array */
1211 for
1212 (compno = 0; compno < p_image->numcomps; ++compno)
1213 {
1214 l_tmp_ptr[compno] = l_encoding_value_ptr;
1215 l_encoding_value_ptr += l_data_stride;
1216 }
1217 /* get encoding parameters */
1218 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);
1219
1220 /* step calculations */
1221 l_step_p = 1;
1222 l_step_c = l_max_prec * l_step_p;
1223 l_step_r = p_image->numcomps * l_step_c;
1224 l_step_l = l_max_res * l_step_r;
1225
1226 /* set values for first packet iterator */
1227 l_current_pi = l_pi;
1228
1229 /* memory allocation for include */
1230 l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
1231 if
1232 (!l_current_pi->include)
1233 {
1234 opj_free(l_tmp_data);
1235 opj_free(l_tmp_ptr);
1236 opj_pi_destroy(l_pi, l_bound);
1237 return 00;
1238 }
1239 memset(l_current_pi->include,0, (l_tcp->numlayers + 1) * l_step_l* sizeof(OPJ_INT16));
1240
1241 /* special treatment for the first packet iterator */
1242 l_current_comp = l_current_pi->comps;
1243 l_img_comp = p_image->comps;
1244 l_tccp = l_tcp->tccps;
1245
1246 l_current_pi->tx0 = l_tx0;
1247 l_current_pi->ty0 = l_ty0;
1248 l_current_pi->tx1 = l_tx1;
1249 l_current_pi->ty1 = l_ty1;
1250
1251 /*l_current_pi->dx = l_img_comp->dx;*/
1252 /*l_current_pi->dy = l_img_comp->dy;*/
1253
1254 l_current_pi->step_p = l_step_p;
1255 l_current_pi->step_c = l_step_c;
1256 l_current_pi->step_r = l_step_r;
1257 l_current_pi->step_l = l_step_l;
1258
1259 /* allocation for components and number of components has already been calculated by opj_pi_create */
1260 for
1261 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1262 {
1263 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1264 l_encoding_value_ptr = l_tmp_ptr[compno];
1265
1266 l_current_comp->dx = l_img_comp->dx;
1267 l_current_comp->dy = l_img_comp->dy;
1268 /* resolutions have already been initialized */
1269 for
1270 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1271 {
1272 l_res->pdx = *(l_encoding_value_ptr++);
1273 l_res->pdy = *(l_encoding_value_ptr++);
1274 l_res->pw = *(l_encoding_value_ptr++);
1275 l_res->ph = *(l_encoding_value_ptr++);
1276 ++l_res;
1277 }
1278 ++l_current_comp;
1279 ++l_img_comp;
1280 ++l_tccp;
1281 }
1282 ++l_current_pi;
1283
1284 for (pino = 1 ; pino<l_bound ; ++pino )
1285 {
1286 l_current_comp = l_current_pi->comps;
1287 l_img_comp = p_image->comps;
1288 l_tccp = l_tcp->tccps;
1289
1290 l_current_pi->tx0 = l_tx0;
1291 l_current_pi->ty0 = l_ty0;
1292 l_current_pi->tx1 = l_tx1;
1293 l_current_pi->ty1 = l_ty1;
1294 /*l_current_pi->dx = l_dx_min;*/
1295 /*l_current_pi->dy = l_dy_min;*/
1296 l_current_pi->step_p = l_step_p;
1297 l_current_pi->step_c = l_step_c;
1298 l_current_pi->step_r = l_step_r;
1299 l_current_pi->step_l = l_step_l;
1300
1301 /* allocation for components and number of components has already been calculated by opj_pi_create */
1302 for
1303 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1304 {
1305 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1306 l_encoding_value_ptr = l_tmp_ptr[compno];
1307
1308 l_current_comp->dx = l_img_comp->dx;
1309 l_current_comp->dy = l_img_comp->dy;
1310 /* resolutions have already been initialized */
1311 for
1312 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1313 {
1314 l_res->pdx = *(l_encoding_value_ptr++);
1315 l_res->pdy = *(l_encoding_value_ptr++);
1316 l_res->pw = *(l_encoding_value_ptr++);
1317 l_res->ph = *(l_encoding_value_ptr++);
1318 ++l_res;
1319 }
1320 ++l_current_comp;
1321 ++l_img_comp;
1322 ++l_tccp;
1323 }
1324 /* special treatment*/
1325 l_current_pi->include = (l_current_pi-1)->include;
1326 ++l_current_pi;
1327 }
1328 opj_free(l_tmp_data);
1329 l_tmp_data = 00;
1330 opj_free(l_tmp_ptr);
1331 l_tmp_ptr = 00;
1332 if
1333 (l_tcp->POC)
1334 {
1335 opj_pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
1336 }
1337 else
1338 {
1339 opj_pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
1340 }
1341 return l_pi;
1342 }
1343
1344
1345
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)1346 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
1347 opj_cp_t *p_cp,
1348 OPJ_UINT32 p_tile_no,
1349 J2K_T2_MODE p_t2_mode )
1350 {
1351 /* loop*/
1352 OPJ_UINT32 pino;
1353 OPJ_UINT32 compno, resno;
1354
1355 /* to store w, h, dx and dy fro all components and resolutions*/
1356 OPJ_UINT32 * l_tmp_data;
1357 OPJ_UINT32 ** l_tmp_ptr;
1358
1359 /* encoding prameters to set*/
1360 OPJ_UINT32 l_max_res;
1361 OPJ_UINT32 l_max_prec;
1362 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1363 OPJ_UINT32 l_dx_min,l_dy_min;
1364 OPJ_UINT32 l_bound;
1365 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1366 OPJ_UINT32 l_data_stride;
1367
1368 /* pointers*/
1369 opj_pi_iterator_t *l_pi = 00;
1370 opj_tcp_t *l_tcp = 00;
1371 const opj_tccp_t *l_tccp = 00;
1372 opj_pi_comp_t *l_current_comp = 00;
1373 opj_image_comp_t * l_img_comp = 00;
1374 opj_pi_iterator_t * l_current_pi = 00;
1375 OPJ_UINT32 * l_encoding_value_ptr = 00;
1376
1377 /* preconditions in debug*/
1378 assert(p_cp != 00);
1379 assert(p_image != 00);
1380 assert(p_tile_no < p_cp->tw * p_cp->th);
1381
1382 /* initializations*/
1383 l_tcp = &p_cp->tcps[p_tile_no];
1384 l_bound = l_tcp->numpocs+1;
1385
1386 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1387 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1388 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1389 if (! l_tmp_data) {
1390 return 00;
1391 }
1392
1393 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1394 p_image->numcomps * sizeof(OPJ_UINT32 *));
1395 if (! l_tmp_ptr) {
1396 opj_free(l_tmp_data);
1397 return 00;
1398 }
1399
1400 /* memory allocation for pi*/
1401 l_pi = opj_pi_create(p_image,p_cp,p_tile_no);
1402 if (!l_pi) {
1403 opj_free(l_tmp_data);
1404 opj_free(l_tmp_ptr);
1405 return 00;
1406 }
1407
1408 l_encoding_value_ptr = l_tmp_data;
1409 /* update pointer array*/
1410 for (compno = 0; compno < p_image->numcomps; ++compno) {
1411 l_tmp_ptr[compno] = l_encoding_value_ptr;
1412 l_encoding_value_ptr += l_data_stride;
1413 }
1414
1415 /* get encoding parameters*/
1416 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);
1417
1418 /* step calculations*/
1419 l_step_p = 1;
1420 l_step_c = l_max_prec * l_step_p;
1421 l_step_r = p_image->numcomps * l_step_c;
1422 l_step_l = l_max_res * l_step_r;
1423
1424 /* set values for first packet iterator*/
1425 l_pi->tp_on = p_cp->m_specific_param.m_enc.m_tp_on;
1426 l_current_pi = l_pi;
1427
1428 /* memory allocation for include*/
1429 l_current_pi->include = (OPJ_INT16*) opj_calloc(l_tcp->numlayers * l_step_l, sizeof(OPJ_INT16));
1430 if (!l_current_pi->include) {
1431 opj_free(l_tmp_data);
1432 opj_free(l_tmp_ptr);
1433 opj_pi_destroy(l_pi, l_bound);
1434 return 00;
1435 }
1436 memset(l_current_pi->include,0,l_tcp->numlayers * l_step_l* sizeof(OPJ_INT16));
1437
1438 /* special treatment for the first packet iterator*/
1439 l_current_comp = l_current_pi->comps;
1440 l_img_comp = p_image->comps;
1441 l_tccp = l_tcp->tccps;
1442 l_current_pi->tx0 = l_tx0;
1443 l_current_pi->ty0 = l_ty0;
1444 l_current_pi->tx1 = l_tx1;
1445 l_current_pi->ty1 = l_ty1;
1446 l_current_pi->dx = l_dx_min;
1447 l_current_pi->dy = l_dy_min;
1448 l_current_pi->step_p = l_step_p;
1449 l_current_pi->step_c = l_step_c;
1450 l_current_pi->step_r = l_step_r;
1451 l_current_pi->step_l = l_step_l;
1452
1453 /* allocation for components and number of components has already been calculated by opj_pi_create */
1454 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1455 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1456 l_encoding_value_ptr = l_tmp_ptr[compno];
1457
1458 l_current_comp->dx = l_img_comp->dx;
1459 l_current_comp->dy = l_img_comp->dy;
1460
1461 /* resolutions have already been initialized */
1462 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1463 l_res->pdx = *(l_encoding_value_ptr++);
1464 l_res->pdy = *(l_encoding_value_ptr++);
1465 l_res->pw = *(l_encoding_value_ptr++);
1466 l_res->ph = *(l_encoding_value_ptr++);
1467 ++l_res;
1468 }
1469
1470 ++l_current_comp;
1471 ++l_img_comp;
1472 ++l_tccp;
1473 }
1474 ++l_current_pi;
1475
1476 for (pino = 1 ; pino<l_bound ; ++pino ) {
1477 l_current_comp = l_current_pi->comps;
1478 l_img_comp = p_image->comps;
1479 l_tccp = l_tcp->tccps;
1480
1481 l_current_pi->tx0 = l_tx0;
1482 l_current_pi->ty0 = l_ty0;
1483 l_current_pi->tx1 = l_tx1;
1484 l_current_pi->ty1 = l_ty1;
1485 l_current_pi->dx = l_dx_min;
1486 l_current_pi->dy = l_dy_min;
1487 l_current_pi->step_p = l_step_p;
1488 l_current_pi->step_c = l_step_c;
1489 l_current_pi->step_r = l_step_r;
1490 l_current_pi->step_l = l_step_l;
1491
1492 /* allocation for components and number of components has already been calculated by opj_pi_create */
1493 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1494 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1495 l_encoding_value_ptr = l_tmp_ptr[compno];
1496
1497 l_current_comp->dx = l_img_comp->dx;
1498 l_current_comp->dy = l_img_comp->dy;
1499 /* resolutions have already been initialized */
1500 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1501 l_res->pdx = *(l_encoding_value_ptr++);
1502 l_res->pdy = *(l_encoding_value_ptr++);
1503 l_res->pw = *(l_encoding_value_ptr++);
1504 l_res->ph = *(l_encoding_value_ptr++);
1505 ++l_res;
1506 }
1507 ++l_current_comp;
1508 ++l_img_comp;
1509 ++l_tccp;
1510 }
1511
1512 /* special treatment*/
1513 l_current_pi->include = (l_current_pi-1)->include;
1514 ++l_current_pi;
1515 }
1516
1517 opj_free(l_tmp_data);
1518 l_tmp_data = 00;
1519 opj_free(l_tmp_ptr);
1520 l_tmp_ptr = 00;
1521
1522 if (l_tcp->POC && ( p_cp->m_specific_param.m_enc.m_cinema || p_t2_mode == FINAL_PASS)) {
1523 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);
1524 }
1525 else {
1526 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);
1527 }
1528
1529 return l_pi;
1530 }
1531
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)1532 void opj_pi_create_encode( opj_pi_iterator_t *pi,
1533 opj_cp_t *cp,
1534 OPJ_UINT32 tileno,
1535 OPJ_UINT32 pino,
1536 OPJ_UINT32 tpnum,
1537 OPJ_INT32 tppos,
1538 J2K_T2_MODE t2_mode)
1539 {
1540 const OPJ_CHAR *prog;
1541 OPJ_INT32 i;
1542 OPJ_UINT32 incr_top=1,resetX=0;
1543 opj_tcp_t *tcps =&cp->tcps[tileno];
1544 opj_poc_t *tcp= &tcps->pocs[pino];
1545
1546 prog = opj_j2k_convert_progression_order(tcp->prg);
1547
1548 pi[pino].first = 1;
1549 pi[pino].poc.prg = tcp->prg;
1550
1551 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))){
1552 pi[pino].poc.resno0 = tcp->resS;
1553 pi[pino].poc.resno1 = tcp->resE;
1554 pi[pino].poc.compno0 = tcp->compS;
1555 pi[pino].poc.compno1 = tcp->compE;
1556 pi[pino].poc.layno0 = tcp->layS;
1557 pi[pino].poc.layno1 = tcp->layE;
1558 pi[pino].poc.precno0 = tcp->prcS;
1559 pi[pino].poc.precno1 = tcp->prcE;
1560 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1561 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1562 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1563 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1564 }else {
1565 for(i=tppos+1;i<4;i++){
1566 switch(prog[i]){
1567 case 'R':
1568 pi[pino].poc.resno0 = tcp->resS;
1569 pi[pino].poc.resno1 = tcp->resE;
1570 break;
1571 case 'C':
1572 pi[pino].poc.compno0 = tcp->compS;
1573 pi[pino].poc.compno1 = tcp->compE;
1574 break;
1575 case 'L':
1576 pi[pino].poc.layno0 = tcp->layS;
1577 pi[pino].poc.layno1 = tcp->layE;
1578 break;
1579 case 'P':
1580 switch(tcp->prg){
1581 case OPJ_LRCP:
1582 case OPJ_RLCP:
1583 pi[pino].poc.precno0 = tcp->prcS;
1584 pi[pino].poc.precno1 = tcp->prcE;
1585 break;
1586 default:
1587 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1588 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1589 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1590 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1591 break;
1592 }
1593 break;
1594 }
1595 }
1596
1597 if(tpnum==0){
1598 for(i=tppos;i>=0;i--){
1599 switch(prog[i]){
1600 case 'C':
1601 tcp->comp_t = tcp->compS;
1602 pi[pino].poc.compno0 = tcp->comp_t;
1603 pi[pino].poc.compno1 = tcp->comp_t+1;
1604 tcp->comp_t+=1;
1605 break;
1606 case 'R':
1607 tcp->res_t = tcp->resS;
1608 pi[pino].poc.resno0 = tcp->res_t;
1609 pi[pino].poc.resno1 = tcp->res_t+1;
1610 tcp->res_t+=1;
1611 break;
1612 case 'L':
1613 tcp->lay_t = tcp->layS;
1614 pi[pino].poc.layno0 = tcp->lay_t;
1615 pi[pino].poc.layno1 = tcp->lay_t+1;
1616 tcp->lay_t+=1;
1617 break;
1618 case 'P':
1619 switch(tcp->prg){
1620 case OPJ_LRCP:
1621 case OPJ_RLCP:
1622 tcp->prc_t = tcp->prcS;
1623 pi[pino].poc.precno0 = tcp->prc_t;
1624 pi[pino].poc.precno1 = tcp->prc_t+1;
1625 tcp->prc_t+=1;
1626 break;
1627 default:
1628 tcp->tx0_t = tcp->txS;
1629 tcp->ty0_t = tcp->tyS;
1630 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1631 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
1632 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1633 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1634 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1635 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1636 break;
1637 }
1638 break;
1639 }
1640 }
1641 incr_top=1;
1642 }else{
1643 for(i=tppos;i>=0;i--){
1644 switch(prog[i]){
1645 case 'C':
1646 pi[pino].poc.compno0 = tcp->comp_t-1;
1647 pi[pino].poc.compno1 = tcp->comp_t;
1648 break;
1649 case 'R':
1650 pi[pino].poc.resno0 = tcp->res_t-1;
1651 pi[pino].poc.resno1 = tcp->res_t;
1652 break;
1653 case 'L':
1654 pi[pino].poc.layno0 = tcp->lay_t-1;
1655 pi[pino].poc.layno1 = tcp->lay_t;
1656 break;
1657 case 'P':
1658 switch(tcp->prg){
1659 case OPJ_LRCP:
1660 case OPJ_RLCP:
1661 pi[pino].poc.precno0 = tcp->prc_t-1;
1662 pi[pino].poc.precno1 = tcp->prc_t;
1663 break;
1664 default:
1665 pi[pino].poc.tx0 = (OPJ_INT32)(tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx));
1666 pi[pino].poc.tx1 = (OPJ_INT32)tcp->tx0_t ;
1667 pi[pino].poc.ty0 = (OPJ_INT32)(tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy));
1668 pi[pino].poc.ty1 = (OPJ_INT32)tcp->ty0_t ;
1669 break;
1670 }
1671 break;
1672 }
1673 if(incr_top==1){
1674 switch(prog[i]){
1675 case 'R':
1676 if(tcp->res_t==tcp->resE){
1677 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1678 tcp->res_t = tcp->resS;
1679 pi[pino].poc.resno0 = tcp->res_t;
1680 pi[pino].poc.resno1 = tcp->res_t+1;
1681 tcp->res_t+=1;
1682 incr_top=1;
1683 }else{
1684 incr_top=0;
1685 }
1686 }else{
1687 pi[pino].poc.resno0 = tcp->res_t;
1688 pi[pino].poc.resno1 = tcp->res_t+1;
1689 tcp->res_t+=1;
1690 incr_top=0;
1691 }
1692 break;
1693 case 'C':
1694 if(tcp->comp_t ==tcp->compE){
1695 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1696 tcp->comp_t = tcp->compS;
1697 pi[pino].poc.compno0 = tcp->comp_t;
1698 pi[pino].poc.compno1 = tcp->comp_t+1;
1699 tcp->comp_t+=1;
1700 incr_top=1;
1701 }else{
1702 incr_top=0;
1703 }
1704 }else{
1705 pi[pino].poc.compno0 = tcp->comp_t;
1706 pi[pino].poc.compno1 = tcp->comp_t+1;
1707 tcp->comp_t+=1;
1708 incr_top=0;
1709 }
1710 break;
1711 case 'L':
1712 if(tcp->lay_t == tcp->layE){
1713 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1714 tcp->lay_t = tcp->layS;
1715 pi[pino].poc.layno0 = tcp->lay_t;
1716 pi[pino].poc.layno1 = tcp->lay_t+1;
1717 tcp->lay_t+=1;
1718 incr_top=1;
1719 }else{
1720 incr_top=0;
1721 }
1722 }else{
1723 pi[pino].poc.layno0 = tcp->lay_t;
1724 pi[pino].poc.layno1 = tcp->lay_t+1;
1725 tcp->lay_t+=1;
1726 incr_top=0;
1727 }
1728 break;
1729 case 'P':
1730 switch(tcp->prg){
1731 case OPJ_LRCP:
1732 case OPJ_RLCP:
1733 if(tcp->prc_t == tcp->prcE){
1734 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1735 tcp->prc_t = tcp->prcS;
1736 pi[pino].poc.precno0 = tcp->prc_t;
1737 pi[pino].poc.precno1 = tcp->prc_t+1;
1738 tcp->prc_t+=1;
1739 incr_top=1;
1740 }else{
1741 incr_top=0;
1742 }
1743 }else{
1744 pi[pino].poc.precno0 = tcp->prc_t;
1745 pi[pino].poc.precno1 = tcp->prc_t+1;
1746 tcp->prc_t+=1;
1747 incr_top=0;
1748 }
1749 break;
1750 default:
1751 if(tcp->tx0_t >= tcp->txE){
1752 if(tcp->ty0_t >= tcp->tyE){
1753 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1754 tcp->ty0_t = tcp->tyS;
1755 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1756 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1757 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1758 incr_top=1;resetX=1;
1759 }else{
1760 incr_top=0;resetX=0;
1761 }
1762 }else{
1763 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1764 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1765 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1766 incr_top=0;resetX=1;
1767 }
1768 if(resetX==1){
1769 tcp->tx0_t = tcp->txS;
1770 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1771 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx));
1772 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1773 }
1774 }else{
1775 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1776 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx));
1777 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1778 incr_top=0;
1779 }
1780 break;
1781 }
1782 break;
1783 }
1784 }
1785 }
1786 }
1787 }
1788 }
1789
opj_pi_destroy(opj_pi_iterator_t * p_pi,OPJ_UINT32 p_nb_elements)1790 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
1791 OPJ_UINT32 p_nb_elements)
1792 {
1793 OPJ_UINT32 compno, pino;
1794 opj_pi_iterator_t *l_current_pi = p_pi;
1795 if (p_pi) {
1796 if (p_pi->include) {
1797 opj_free(p_pi->include);
1798 p_pi->include = 00;
1799 }
1800 for (pino = 0; pino < p_nb_elements; ++pino){
1801 if(l_current_pi->comps) {
1802 opj_pi_comp_t *l_current_component = l_current_pi->comps;
1803 for (compno = 0; compno < l_current_pi->numcomps; compno++){
1804 if(l_current_component->resolutions) {
1805 opj_free(l_current_component->resolutions);
1806 l_current_component->resolutions = 00;
1807 }
1808
1809 ++l_current_component;
1810 }
1811 opj_free(l_current_pi->comps);
1812 l_current_pi->comps = 0;
1813 }
1814 ++l_current_pi;
1815 }
1816 opj_free(p_pi);
1817 }
1818 }
1819
1820
1821
opj_pi_update_encoding_parameters(const opj_image_t * p_image,opj_cp_t * p_cp,OPJ_UINT32 p_tile_no)1822 void opj_pi_update_encoding_parameters( const opj_image_t *p_image,
1823 opj_cp_t *p_cp,
1824 OPJ_UINT32 p_tile_no )
1825 {
1826 /* encoding parameters to set */
1827 OPJ_UINT32 l_max_res;
1828 OPJ_UINT32 l_max_prec;
1829 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1830 OPJ_UINT32 l_dx_min,l_dy_min;
1831
1832 /* pointers */
1833 opj_tcp_t *l_tcp = 00;
1834
1835 /* preconditions */
1836 assert(p_cp != 00);
1837 assert(p_image != 00);
1838 assert(p_tile_no < p_cp->tw * p_cp->th);
1839
1840 l_tcp = &(p_cp->tcps[p_tile_no]);
1841
1842 /* get encoding parameters */
1843 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);
1844
1845 if (l_tcp->POC) {
1846 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);
1847 }
1848 else {
1849 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);
1850 }
1851 }
1852
opj_pi_next(opj_pi_iterator_t * pi)1853 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi) {
1854 switch (pi->poc.prg) {
1855 case OPJ_LRCP:
1856 return opj_pi_next_lrcp(pi);
1857 case OPJ_RLCP:
1858 return opj_pi_next_rlcp(pi);
1859 case OPJ_RPCL:
1860 return opj_pi_next_rpcl(pi);
1861 case OPJ_PCRL:
1862 return opj_pi_next_pcrl(pi);
1863 case OPJ_CPRL:
1864 return opj_pi_next_cprl(pi);
1865 case OPJ_PROG_UNKNOWN:
1866 return OPJ_FALSE;
1867 }
1868
1869 return OPJ_FALSE;
1870 }
1871