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.
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.
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
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
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27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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29 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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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.
39 #include "opj_includes.h"
41 /** @defgroup PI PI - Implementation of a packet iterator */
44 /** @name Local static functions */
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
52 static OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi);
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
58 static OPJ_BOOL opj_pi_next_rlcp(opj_pi_iterator_t * pi);
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
64 static OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi);
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
70 static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi);
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
76 static OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi);
79 * Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used).
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.
92 static void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
98 OPJ_UINT32 p_max_prec,
101 OPJ_UINT32 p_dy_min);
104 * Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used).
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.
118 static void opj_pi_update_encode_not_poc ( opj_cp_t *p_cp,
119 OPJ_UINT32 p_num_comps,
125 OPJ_UINT32 p_max_prec,
126 OPJ_UINT32 p_max_res,
128 OPJ_UINT32 p_dy_min);
130 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
132 * @param p_image the image being encoded.
133 * @param p_cp the coding parameters.
134 * @param tileno the tile index of the tile being encoded.
135 * @param p_tx0 pointer that will hold the X0 parameter for the tile
136 * @param p_tx1 pointer that will hold the X1 parameter for the tile
137 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
138 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
139 * @param p_max_prec pointer that will hold the maximum precision for all the bands of the tile
140 * @param p_max_res pointer that will hold the maximum number of resolutions for all the poc inside the tile.
141 * @param p_dx_min pointer that will hold the minimum dx of all the components of all the resolutions for the tile.
142 * @param p_dy_min pointer that will hold the minimum dy of all the components of all the resolutions for the tile.
144 static void opj_get_encoding_parameters(const opj_image_t *p_image,
145 const opj_cp_t *p_cp,
151 OPJ_UINT32 * p_dx_min,
152 OPJ_UINT32 * p_dy_min,
153 OPJ_UINT32 * p_max_prec,
154 OPJ_UINT32 * p_max_res );
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 , ...
163 * @param p_image the image being encoded.
164 * @param p_cp the coding parameters.
165 * @param tileno the tile index of the tile being encoded.
166 * @param p_tx0 pointer that will hold the X0 parameter for the tile
167 * @param p_tx1 pointer that will hold the X1 parameter for the tile
168 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
169 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
170 * @param p_max_prec pointer that will hold the maximum precision for all the bands of the tile
171 * @param p_max_res pointer that will hold the maximum number of resolutions for all the poc inside the tile.
172 * @param p_dx_min pointer that will hold the minimum dx of all the components of all the resolutions for the tile.
173 * @param p_dy_min pointer that will hold the minimum dy of all the components of all the resolutions for the tile.
174 * @param p_resolutions pointer to an area corresponding to the one described above.
176 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
177 const opj_cp_t *p_cp,
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 );
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.
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.
196 static opj_pi_iterator_t * opj_pi_create( const opj_image_t *p_image,
197 const opj_cp_t *p_cp,
202 static void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
204 OPJ_UINT32 p_max_precision,
205 OPJ_UINT32 p_max_res);
209 static void opj_pi_update_decode_poc ( opj_pi_iterator_t * p_pi,
211 OPJ_UINT32 p_max_precision,
212 OPJ_UINT32 p_max_res);
217 static OPJ_BOOL opj_pi_check_next_level( OPJ_INT32 pos,
221 const OPJ_CHAR *prog);
228 ==========================================================
230 ==========================================================
233 static 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;
239 comp = &pi->comps[pi->compno];
240 res = &comp->resolutions[pi->resno];
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;
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) {
254 res = &comp->resolutions[pi->resno];
256 pi->poc.precno1 = res->pw * res->ph;
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;
273 static 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;
279 comp = &pi->comps[pi->compno];
280 res = &comp->resolutions[pi->resno];
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) {
293 res = &comp->resolutions[pi->resno];
295 pi->poc.precno1 = res->pw * res->ph;
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;
312 static 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;
320 OPJ_UINT32 compno, resno;
324 for (compno = 0; compno < pi->numcomps; compno++) {
325 comp = &pi->comps[compno];
326 for (resno = 0; resno < comp->numresolutions; resno++) {
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);
337 pi->poc.ty0 = pi->ty0;
338 pi->poc.tx0 = pi->tx0;
339 pi->poc.ty1 = pi->ty1;
340 pi->poc.tx1 = pi->tx1;
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++) {
347 OPJ_INT32 trx0, try0;
348 OPJ_INT32 trx1, try1;
350 OPJ_INT32 prci, prcj;
351 comp = &pi->comps[pi->compno];
352 if (pi->resno >= comp->numresolutions) {
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))))){
366 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
370 if ((res->pw==0)||(res->ph==0)) continue;
372 if ((trx0==trx1)||(try0==try1)) continue;
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;
395 static 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;
401 comp = &pi->comps[pi->compno];
404 OPJ_UINT32 compno, resno;
408 for (compno = 0; compno < pi->numcomps; compno++) {
409 comp = &pi->comps[compno];
410 for (resno = 0; resno < comp->numresolutions; resno++) {
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);
421 pi->poc.ty0 = pi->ty0;
422 pi->poc.tx0 = pi->tx0;
423 pi->poc.ty1 = pi->ty1;
424 pi->poc.tx1 = pi->tx1;
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++) {
432 OPJ_INT32 trx0, try0;
433 OPJ_INT32 trx1, try1;
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))))){
447 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
451 if ((res->pw==0)||(res->ph==0)) continue;
453 if ((trx0==trx1)||(try0==try1)) continue;
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;
476 static 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;
482 comp = &pi->comps[pi->compno];
488 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
490 comp = &pi->comps[pi->compno];
493 for (resno = 0; resno < comp->numresolutions; resno++) {
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);
502 pi->poc.ty0 = pi->ty0;
503 pi->poc.tx0 = pi->tx0;
504 pi->poc.ty1 = pi->ty1;
505 pi->poc.tx1 = pi->tx1;
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++) {
511 OPJ_INT32 trx0, try0;
512 OPJ_INT32 trx1, try1;
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))))){
526 if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
530 if ((res->pw==0)||(res->ph==0)) continue;
532 if ((trx0==trx1)||(try0==try1)) continue;
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;
555 static void opj_get_encoding_parameters( const opj_image_t *p_image,
556 const opj_cp_t *p_cp,
562 OPJ_UINT32 * p_dx_min,
563 OPJ_UINT32 * p_dy_min,
564 OPJ_UINT32 * p_max_prec,
565 OPJ_UINT32 * p_max_res )
568 OPJ_UINT32 compno, resno;
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;
574 /* position in x and y of tile */
579 assert(p_image != 00);
580 assert(p_tileno < p_cp->tw * p_cp->th);
582 /* initializations */
583 l_tcp = &p_cp->tcps [p_tileno];
584 l_img_comp = p_image->comps;
585 l_tccp = l_tcp->tccps;
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;
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);
597 /* max precision is 0 (can only grow) */
601 /* take the largest value for dx_min and dy_min */
602 *p_dx_min = 0x7fffffff;
603 *p_dy_min = 0x7fffffff;
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;
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);
620 if (l_tccp->numresolutions > *p_max_res) {
621 *p_max_res = l_tccp->numresolutions;
624 /* use custom size for precincts */
625 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
626 OPJ_UINT32 l_dx, l_dy;
628 /* precinct width and height */
629 l_pdx = l_tccp->prcw[resno];
630 l_pdy = l_tccp->prch[resno];
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));
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);
639 /* various calculations of extents */
640 l_level_no = l_tccp->numresolutions - 1 - resno;
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);
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;
651 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
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);
656 l_product = l_pw * l_ph;
658 /* update precision */
659 if (l_product > *p_max_prec) {
660 *p_max_prec = l_product;
669 static void opj_get_all_encoding_parameters( const opj_image_t *p_image,
670 const opj_cp_t *p_cp,
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 )
683 OPJ_UINT32 compno, resno;
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;
690 /* to store l_dx, l_dy, w and h for each resolution and component.*/
691 OPJ_UINT32 * lResolutionPtr;
693 /* position in x and y of tile*/
696 /* non-corrected (in regard to image offset) tile offset */
697 OPJ_UINT32 l_tx0, l_ty0;
699 /* preconditions in debug*/
701 assert(p_image != 00);
702 assert(tileno < p_cp->tw * p_cp->th);
705 tcp = &p_cp->tcps [tileno];
707 l_img_comp = p_image->comps;
709 /* position in x and y of tile*/
710 p = tileno % p_cp->tw;
711 q = tileno / p_cp->tw;
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);
721 /* max precision and resolution is 0 (can only grow)*/
725 /* take the largest value for dx_min and dy_min*/
726 *p_dx_min = 0x7fffffff;
727 *p_dy_min = 0x7fffffff;
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;
738 lResolutionPtr = p_resolutions[compno];
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);
745 if (l_tccp->numresolutions > *p_max_res) {
746 *p_max_res = l_tccp->numresolutions;
749 /* use custom size for precincts*/
750 l_level_no = l_tccp->numresolutions;
751 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
752 OPJ_UINT32 l_dx, l_dy;
756 /* precinct width and height*/
757 l_pdx = l_tccp->prcw[resno];
758 l_pdy = l_tccp->prch[resno];
759 *lResolutionPtr++ = l_pdx;
760 *lResolutionPtr++ = l_pdy;
761 l_dx = l_img_comp->dx * (1u << (l_pdx + l_level_no));
762 l_dy = l_img_comp->dy * (1u << (l_pdy + l_level_no));
763 /* take the minimum size for l_dx for each comp and resolution*/
764 *p_dx_min = (OPJ_UINT32)opj_int_min((OPJ_INT32)*p_dx_min, (OPJ_INT32)l_dx);
765 *p_dy_min = (OPJ_UINT32)opj_int_min((OPJ_INT32)*p_dy_min, (OPJ_INT32)l_dy);
767 /* various calculations of extents*/
768 l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
769 l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
770 l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
771 l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
772 l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
773 l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
774 l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
775 py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
776 l_pw = (l_rx0==l_rx1)?0:(OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
777 l_ph = (l_ry0==l_ry1)?0:(OPJ_UINT32)((py1 - l_py0) >> l_pdy);
778 *lResolutionPtr++ = l_pw;
779 *lResolutionPtr++ = l_ph;
780 l_product = l_pw * l_ph;
782 /* update precision*/
783 if (l_product > *p_max_prec) {
784 *p_max_prec = l_product;
793 static opj_pi_iterator_t * opj_pi_create( const opj_image_t *image,
798 OPJ_UINT32 pino, compno;
799 /* number of poc in the p_pi*/
800 OPJ_UINT32 l_poc_bound;
802 /* pointers to tile coding parameters and components.*/
803 opj_pi_iterator_t *l_pi = 00;
805 const opj_tccp_t *tccp = 00;
807 /* current packet iterator being allocated*/
808 opj_pi_iterator_t *l_current_pi = 00;
810 /* preconditions in debug*/
813 assert(tileno < cp->tw * cp->th);
816 tcp = &cp->tcps[tileno];
817 l_poc_bound = tcp->numpocs+1;
819 /* memory allocations*/
820 l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
826 for (pino = 0; pino < l_poc_bound ; ++pino) {
828 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
829 if (! l_current_pi->comps) {
830 opj_pi_destroy(l_pi, l_poc_bound);
834 l_current_pi->numcomps = image->numcomps;
836 for (compno = 0; compno < image->numcomps; ++compno) {
837 opj_pi_comp_t *comp = &l_current_pi->comps[compno];
839 tccp = &tcp->tccps[compno];
841 comp->resolutions = (opj_pi_resolution_t*) opj_calloc(tccp->numresolutions, sizeof(opj_pi_resolution_t));
842 if (!comp->resolutions) {
843 opj_pi_destroy(l_pi, l_poc_bound);
847 comp->numresolutions = tccp->numresolutions;
854 static void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
860 OPJ_UINT32 p_max_prec,
861 OPJ_UINT32 p_max_res,
867 /* tile coding parameter*/
868 opj_tcp_t *l_tcp = 00;
869 /* current poc being updated*/
870 opj_poc_t * l_current_poc = 00;
873 OPJ_UINT32 l_poc_bound;
875 OPJ_ARG_NOT_USED(p_max_res);
877 /* preconditions in debug*/
879 assert(p_tileno < p_cp->tw * p_cp->th);
882 l_tcp = &p_cp->tcps [p_tileno];
883 /* number of iterations in the loop */
884 l_poc_bound = l_tcp->numpocs+1;
886 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
887 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
888 l_current_poc = l_tcp->pocs;
890 l_current_poc->compS = l_current_poc->compno0;
891 l_current_poc->compE = l_current_poc->compno1;
892 l_current_poc->resS = l_current_poc->resno0;
893 l_current_poc->resE = l_current_poc->resno1;
894 l_current_poc->layE = l_current_poc->layno1;
896 /* special treatment for the first element*/
897 l_current_poc->layS = 0;
898 l_current_poc->prg = l_current_poc->prg1;
899 l_current_poc->prcS = 0;
901 l_current_poc->prcE = p_max_prec;
902 l_current_poc->txS = (OPJ_UINT32)p_tx0;
903 l_current_poc->txE = (OPJ_UINT32)p_tx1;
904 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
905 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
906 l_current_poc->dx = p_dx_min;
907 l_current_poc->dy = p_dy_min;
910 for (pino = 1;pino < l_poc_bound ; ++pino) {
911 l_current_poc->compS = l_current_poc->compno0;
912 l_current_poc->compE= l_current_poc->compno1;
913 l_current_poc->resS = l_current_poc->resno0;
914 l_current_poc->resE = l_current_poc->resno1;
915 l_current_poc->layE = l_current_poc->layno1;
916 l_current_poc->prg = l_current_poc->prg1;
917 l_current_poc->prcS = 0;
918 /* special treatment here different from the first element*/
919 l_current_poc->layS = (l_current_poc->layE > (l_current_poc-1)->layE) ? l_current_poc->layE : 0;
921 l_current_poc->prcE = p_max_prec;
922 l_current_poc->txS = (OPJ_UINT32)p_tx0;
923 l_current_poc->txE = (OPJ_UINT32)p_tx1;
924 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
925 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
926 l_current_poc->dx = p_dx_min;
927 l_current_poc->dy = p_dy_min;
932 static void opj_pi_update_encode_not_poc ( opj_cp_t *p_cp,
933 OPJ_UINT32 p_num_comps,
939 OPJ_UINT32 p_max_prec,
940 OPJ_UINT32 p_max_res,
946 /* tile coding parameter*/
947 opj_tcp_t *l_tcp = 00;
948 /* current poc being updated*/
949 opj_poc_t * l_current_poc = 00;
951 OPJ_UINT32 l_poc_bound;
953 /* preconditions in debug*/
955 assert(p_tileno < p_cp->tw * p_cp->th);
958 l_tcp = &p_cp->tcps [p_tileno];
960 /* number of iterations in the loop */
961 l_poc_bound = l_tcp->numpocs+1;
963 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
964 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
965 l_current_poc = l_tcp->pocs;
967 for (pino = 0; pino < l_poc_bound ; ++pino) {
968 l_current_poc->compS = 0;
969 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
970 l_current_poc->resS = 0;
971 l_current_poc->resE = p_max_res;
972 l_current_poc->layS = 0;
973 l_current_poc->layE = l_tcp->numlayers;
974 l_current_poc->prg = l_tcp->prg;
975 l_current_poc->prcS = 0;
976 l_current_poc->prcE = p_max_prec;
977 l_current_poc->txS = (OPJ_UINT32)p_tx0;
978 l_current_poc->txE = (OPJ_UINT32)p_tx1;
979 l_current_poc->tyS = (OPJ_UINT32)p_ty0;
980 l_current_poc->tyE = (OPJ_UINT32)p_ty1;
981 l_current_poc->dx = p_dx_min;
982 l_current_poc->dy = p_dy_min;
987 static void opj_pi_update_decode_poc (opj_pi_iterator_t * p_pi,
989 OPJ_UINT32 p_max_precision,
990 OPJ_UINT32 p_max_res)
995 /* encoding prameters to set*/
998 opj_pi_iterator_t * l_current_pi = 00;
999 opj_poc_t* l_current_poc = 0;
1001 OPJ_ARG_NOT_USED(p_max_res);
1003 /* preconditions in debug*/
1005 assert(p_tcp != 00);
1007 /* initializations*/
1008 l_bound = p_tcp->numpocs+1;
1009 l_current_pi = p_pi;
1010 l_current_poc = p_tcp->pocs;
1012 for (pino = 0;pino<l_bound;++pino) {
1013 l_current_pi->poc.prg = l_current_poc->prg; /* Progression Order #0 */
1014 l_current_pi->first = 1;
1016 l_current_pi->poc.resno0 = l_current_poc->resno0; /* Resolution Level Index #0 (Start) */
1017 l_current_pi->poc.compno0 = l_current_poc->compno0; /* Component Index #0 (Start) */
1018 l_current_pi->poc.layno0 = 0;
1019 l_current_pi->poc.precno0 = 0;
1020 l_current_pi->poc.resno1 = l_current_poc->resno1; /* Resolution Level Index #0 (End) */
1021 l_current_pi->poc.compno1 = l_current_poc->compno1; /* Component Index #0 (End) */
1022 l_current_pi->poc.layno1 = l_current_poc->layno1; /* Layer Index #0 (End) */
1023 l_current_pi->poc.precno1 = p_max_precision;
1029 static void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
1031 OPJ_UINT32 p_max_precision,
1032 OPJ_UINT32 p_max_res)
1037 /* encoding prameters to set*/
1040 opj_pi_iterator_t * l_current_pi = 00;
1041 /* preconditions in debug*/
1042 assert(p_tcp != 00);
1045 /* initializations*/
1046 l_bound = p_tcp->numpocs+1;
1047 l_current_pi = p_pi;
1049 for (pino = 0;pino<l_bound;++pino) {
1050 l_current_pi->poc.prg = p_tcp->prg;
1051 l_current_pi->first = 1;
1052 l_current_pi->poc.resno0 = 0;
1053 l_current_pi->poc.compno0 = 0;
1054 l_current_pi->poc.layno0 = 0;
1055 l_current_pi->poc.precno0 = 0;
1056 l_current_pi->poc.resno1 = p_max_res;
1057 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1058 l_current_pi->poc.layno1 = p_tcp->numlayers;
1059 l_current_pi->poc.precno1 = p_max_precision;
1066 static OPJ_BOOL opj_pi_check_next_level( OPJ_INT32 pos,
1070 const OPJ_CHAR *prog)
1073 opj_tcp_t *tcps =&cp->tcps[tileno];
1074 opj_poc_t *tcp = &tcps->pocs[pino];
1077 for(i=pos;pos>=0;i--){
1080 if(tcp->res_t==tcp->resE){
1081 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1091 if(tcp->comp_t==tcp->compE){
1092 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1102 if(tcp->lay_t==tcp->layE){
1103 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1114 case OPJ_LRCP: /* fall through */
1116 if(tcp->prc_t == tcp->prcE){
1117 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1127 if(tcp->tx0_t == tcp->txE){
1129 if(tcp->ty0_t == tcp->tyE){
1130 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1151 ==========================================================
1152 Packet iterator interface
1153 ==========================================================
1155 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
1157 OPJ_UINT32 p_tile_no)
1161 OPJ_UINT32 compno, resno;
1163 /* to store w, h, dx and dy fro all components and resolutions */
1164 OPJ_UINT32 * l_tmp_data;
1165 OPJ_UINT32 ** l_tmp_ptr;
1167 /* encoding prameters to set */
1168 OPJ_UINT32 l_max_res;
1169 OPJ_UINT32 l_max_prec;
1170 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1171 OPJ_UINT32 l_dx_min,l_dy_min;
1173 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1174 OPJ_UINT32 l_data_stride;
1177 opj_pi_iterator_t *l_pi = 00;
1178 opj_tcp_t *l_tcp = 00;
1179 const opj_tccp_t *l_tccp = 00;
1180 opj_pi_comp_t *l_current_comp = 00;
1181 opj_image_comp_t * l_img_comp = 00;
1182 opj_pi_iterator_t * l_current_pi = 00;
1183 OPJ_UINT32 * l_encoding_value_ptr = 00;
1185 /* preconditions in debug */
1187 assert(p_image != 00);
1188 assert(p_tile_no < p_cp->tw * p_cp->th);
1190 /* initializations */
1191 l_tcp = &p_cp->tcps[p_tile_no];
1192 l_bound = l_tcp->numpocs+1;
1194 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1195 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1196 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1202 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1203 p_image->numcomps * sizeof(OPJ_UINT32 *));
1207 opj_free(l_tmp_data);
1211 /* memory allocation for pi */
1212 l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1214 opj_free(l_tmp_data);
1215 opj_free(l_tmp_ptr);
1219 l_encoding_value_ptr = l_tmp_data;
1220 /* update pointer array */
1222 (compno = 0; compno < p_image->numcomps; ++compno)
1224 l_tmp_ptr[compno] = l_encoding_value_ptr;
1225 l_encoding_value_ptr += l_data_stride;
1227 /* get encoding parameters */
1228 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);
1230 /* step calculations */
1232 l_step_c = l_max_prec * l_step_p;
1233 l_step_r = p_image->numcomps * l_step_c;
1234 l_step_l = l_max_res * l_step_r;
1236 /* set values for first packet iterator */
1237 l_current_pi = l_pi;
1239 /* memory allocation for include */
1240 l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
1242 (!l_current_pi->include)
1244 opj_free(l_tmp_data);
1245 opj_free(l_tmp_ptr);
1246 opj_pi_destroy(l_pi, l_bound);
1250 /* special treatment for the first packet iterator */
1251 l_current_comp = l_current_pi->comps;
1252 l_img_comp = p_image->comps;
1253 l_tccp = l_tcp->tccps;
1255 l_current_pi->tx0 = l_tx0;
1256 l_current_pi->ty0 = l_ty0;
1257 l_current_pi->tx1 = l_tx1;
1258 l_current_pi->ty1 = l_ty1;
1260 /*l_current_pi->dx = l_img_comp->dx;*/
1261 /*l_current_pi->dy = l_img_comp->dy;*/
1263 l_current_pi->step_p = l_step_p;
1264 l_current_pi->step_c = l_step_c;
1265 l_current_pi->step_r = l_step_r;
1266 l_current_pi->step_l = l_step_l;
1268 /* allocation for components and number of components has already been calculated by opj_pi_create */
1270 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1272 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1273 l_encoding_value_ptr = l_tmp_ptr[compno];
1275 l_current_comp->dx = l_img_comp->dx;
1276 l_current_comp->dy = l_img_comp->dy;
1277 /* resolutions have already been initialized */
1279 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1281 l_res->pdx = *(l_encoding_value_ptr++);
1282 l_res->pdy = *(l_encoding_value_ptr++);
1283 l_res->pw = *(l_encoding_value_ptr++);
1284 l_res->ph = *(l_encoding_value_ptr++);
1293 for (pino = 1 ; pino<l_bound ; ++pino )
1295 l_current_comp = l_current_pi->comps;
1296 l_img_comp = p_image->comps;
1297 l_tccp = l_tcp->tccps;
1299 l_current_pi->tx0 = l_tx0;
1300 l_current_pi->ty0 = l_ty0;
1301 l_current_pi->tx1 = l_tx1;
1302 l_current_pi->ty1 = l_ty1;
1303 /*l_current_pi->dx = l_dx_min;*/
1304 /*l_current_pi->dy = l_dy_min;*/
1305 l_current_pi->step_p = l_step_p;
1306 l_current_pi->step_c = l_step_c;
1307 l_current_pi->step_r = l_step_r;
1308 l_current_pi->step_l = l_step_l;
1310 /* allocation for components and number of components has already been calculated by opj_pi_create */
1312 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1314 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1315 l_encoding_value_ptr = l_tmp_ptr[compno];
1317 l_current_comp->dx = l_img_comp->dx;
1318 l_current_comp->dy = l_img_comp->dy;
1319 /* resolutions have already been initialized */
1321 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1323 l_res->pdx = *(l_encoding_value_ptr++);
1324 l_res->pdy = *(l_encoding_value_ptr++);
1325 l_res->pw = *(l_encoding_value_ptr++);
1326 l_res->ph = *(l_encoding_value_ptr++);
1333 /* special treatment*/
1334 l_current_pi->include = (l_current_pi-1)->include;
1337 opj_free(l_tmp_data);
1339 opj_free(l_tmp_ptr);
1344 opj_pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
1348 opj_pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
1355 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
1357 OPJ_UINT32 p_tile_no,
1358 J2K_T2_MODE p_t2_mode )
1362 OPJ_UINT32 compno, resno;
1364 /* to store w, h, dx and dy fro all components and resolutions*/
1365 OPJ_UINT32 * l_tmp_data;
1366 OPJ_UINT32 ** l_tmp_ptr;
1368 /* encoding prameters to set*/
1369 OPJ_UINT32 l_max_res;
1370 OPJ_UINT32 l_max_prec;
1371 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1372 OPJ_UINT32 l_dx_min,l_dy_min;
1374 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1375 OPJ_UINT32 l_data_stride;
1378 opj_pi_iterator_t *l_pi = 00;
1379 opj_tcp_t *l_tcp = 00;
1380 const opj_tccp_t *l_tccp = 00;
1381 opj_pi_comp_t *l_current_comp = 00;
1382 opj_image_comp_t * l_img_comp = 00;
1383 opj_pi_iterator_t * l_current_pi = 00;
1384 OPJ_UINT32 * l_encoding_value_ptr = 00;
1386 /* preconditions in debug*/
1388 assert(p_image != 00);
1389 assert(p_tile_no < p_cp->tw * p_cp->th);
1391 /* initializations*/
1392 l_tcp = &p_cp->tcps[p_tile_no];
1393 l_bound = l_tcp->numpocs+1;
1395 l_data_stride = 4 * OPJ_J2K_MAXRLVLS;
1396 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1397 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1402 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1403 p_image->numcomps * sizeof(OPJ_UINT32 *));
1405 opj_free(l_tmp_data);
1409 /* memory allocation for pi*/
1410 l_pi = opj_pi_create(p_image,p_cp,p_tile_no);
1412 opj_free(l_tmp_data);
1413 opj_free(l_tmp_ptr);
1417 l_encoding_value_ptr = l_tmp_data;
1418 /* update pointer array*/
1419 for (compno = 0; compno < p_image->numcomps; ++compno) {
1420 l_tmp_ptr[compno] = l_encoding_value_ptr;
1421 l_encoding_value_ptr += l_data_stride;
1424 /* get encoding parameters*/
1425 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);
1427 /* step calculations*/
1429 l_step_c = l_max_prec * l_step_p;
1430 l_step_r = p_image->numcomps * l_step_c;
1431 l_step_l = l_max_res * l_step_r;
1433 /* set values for first packet iterator*/
1434 l_pi->tp_on = (OPJ_BYTE)p_cp->m_specific_param.m_enc.m_tp_on;
1435 l_current_pi = l_pi;
1437 /* memory allocation for include*/
1438 l_current_pi->include = (OPJ_INT16*) opj_calloc(l_tcp->numlayers * l_step_l, sizeof(OPJ_INT16));
1439 if (!l_current_pi->include) {
1440 opj_free(l_tmp_data);
1441 opj_free(l_tmp_ptr);
1442 opj_pi_destroy(l_pi, l_bound);
1446 /* special treatment for the first packet iterator*/
1447 l_current_comp = l_current_pi->comps;
1448 l_img_comp = p_image->comps;
1449 l_tccp = l_tcp->tccps;
1450 l_current_pi->tx0 = l_tx0;
1451 l_current_pi->ty0 = l_ty0;
1452 l_current_pi->tx1 = l_tx1;
1453 l_current_pi->ty1 = l_ty1;
1454 l_current_pi->dx = l_dx_min;
1455 l_current_pi->dy = l_dy_min;
1456 l_current_pi->step_p = l_step_p;
1457 l_current_pi->step_c = l_step_c;
1458 l_current_pi->step_r = l_step_r;
1459 l_current_pi->step_l = l_step_l;
1461 /* allocation for components and number of components has already been calculated by opj_pi_create */
1462 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1463 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1464 l_encoding_value_ptr = l_tmp_ptr[compno];
1466 l_current_comp->dx = l_img_comp->dx;
1467 l_current_comp->dy = l_img_comp->dy;
1469 /* resolutions have already been initialized */
1470 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1471 l_res->pdx = *(l_encoding_value_ptr++);
1472 l_res->pdy = *(l_encoding_value_ptr++);
1473 l_res->pw = *(l_encoding_value_ptr++);
1474 l_res->ph = *(l_encoding_value_ptr++);
1484 for (pino = 1 ; pino<l_bound ; ++pino ) {
1485 l_current_comp = l_current_pi->comps;
1486 l_img_comp = p_image->comps;
1487 l_tccp = l_tcp->tccps;
1489 l_current_pi->tx0 = l_tx0;
1490 l_current_pi->ty0 = l_ty0;
1491 l_current_pi->tx1 = l_tx1;
1492 l_current_pi->ty1 = l_ty1;
1493 l_current_pi->dx = l_dx_min;
1494 l_current_pi->dy = l_dy_min;
1495 l_current_pi->step_p = l_step_p;
1496 l_current_pi->step_c = l_step_c;
1497 l_current_pi->step_r = l_step_r;
1498 l_current_pi->step_l = l_step_l;
1500 /* allocation for components and number of components has already been calculated by opj_pi_create */
1501 for (compno = 0; compno < l_current_pi->numcomps; ++compno) {
1502 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1503 l_encoding_value_ptr = l_tmp_ptr[compno];
1505 l_current_comp->dx = l_img_comp->dx;
1506 l_current_comp->dy = l_img_comp->dy;
1507 /* resolutions have already been initialized */
1508 for (resno = 0; resno < l_current_comp->numresolutions; resno++) {
1509 l_res->pdx = *(l_encoding_value_ptr++);
1510 l_res->pdy = *(l_encoding_value_ptr++);
1511 l_res->pw = *(l_encoding_value_ptr++);
1512 l_res->ph = *(l_encoding_value_ptr++);
1520 /* special treatment*/
1521 l_current_pi->include = (l_current_pi-1)->include;
1525 opj_free(l_tmp_data);
1527 opj_free(l_tmp_ptr);
1530 if (l_tcp->POC && (OPJ_IS_CINEMA(p_cp->rsiz) || p_t2_mode == FINAL_PASS)) {
1531 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);
1534 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);
1540 void opj_pi_create_encode( opj_pi_iterator_t *pi,
1546 J2K_T2_MODE t2_mode)
1548 const OPJ_CHAR *prog;
1550 OPJ_UINT32 incr_top=1,resetX=0;
1551 opj_tcp_t *tcps =&cp->tcps[tileno];
1552 opj_poc_t *tcp= &tcps->pocs[pino];
1554 prog = opj_j2k_convert_progression_order(tcp->prg);
1557 pi[pino].poc.prg = tcp->prg;
1559 if(!(cp->m_specific_param.m_enc.m_tp_on && ((!OPJ_IS_CINEMA(cp->rsiz) && (t2_mode == FINAL_PASS)) || OPJ_IS_CINEMA(cp->rsiz)))){
1560 pi[pino].poc.resno0 = tcp->resS;
1561 pi[pino].poc.resno1 = tcp->resE;
1562 pi[pino].poc.compno0 = tcp->compS;
1563 pi[pino].poc.compno1 = tcp->compE;
1564 pi[pino].poc.layno0 = tcp->layS;
1565 pi[pino].poc.layno1 = tcp->layE;
1566 pi[pino].poc.precno0 = tcp->prcS;
1567 pi[pino].poc.precno1 = tcp->prcE;
1568 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1569 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1570 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1571 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1573 for(i=tppos+1;i<4;i++){
1576 pi[pino].poc.resno0 = tcp->resS;
1577 pi[pino].poc.resno1 = tcp->resE;
1580 pi[pino].poc.compno0 = tcp->compS;
1581 pi[pino].poc.compno1 = tcp->compE;
1584 pi[pino].poc.layno0 = tcp->layS;
1585 pi[pino].poc.layno1 = tcp->layE;
1591 pi[pino].poc.precno0 = tcp->prcS;
1592 pi[pino].poc.precno1 = tcp->prcE;
1595 pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
1596 pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
1597 pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
1598 pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
1606 for(i=tppos;i>=0;i--){
1609 tcp->comp_t = tcp->compS;
1610 pi[pino].poc.compno0 = tcp->comp_t;
1611 pi[pino].poc.compno1 = tcp->comp_t+1;
1615 tcp->res_t = tcp->resS;
1616 pi[pino].poc.resno0 = tcp->res_t;
1617 pi[pino].poc.resno1 = tcp->res_t+1;
1621 tcp->lay_t = tcp->layS;
1622 pi[pino].poc.layno0 = tcp->lay_t;
1623 pi[pino].poc.layno1 = tcp->lay_t+1;
1630 tcp->prc_t = tcp->prcS;
1631 pi[pino].poc.precno0 = tcp->prc_t;
1632 pi[pino].poc.precno1 = tcp->prc_t+1;
1636 tcp->tx0_t = tcp->txS;
1637 tcp->ty0_t = tcp->tyS;
1638 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1639 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
1640 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1641 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1642 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1643 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1651 for(i=tppos;i>=0;i--){
1654 pi[pino].poc.compno0 = tcp->comp_t-1;
1655 pi[pino].poc.compno1 = tcp->comp_t;
1658 pi[pino].poc.resno0 = tcp->res_t-1;
1659 pi[pino].poc.resno1 = tcp->res_t;
1662 pi[pino].poc.layno0 = tcp->lay_t-1;
1663 pi[pino].poc.layno1 = tcp->lay_t;
1669 pi[pino].poc.precno0 = tcp->prc_t-1;
1670 pi[pino].poc.precno1 = tcp->prc_t;
1673 pi[pino].poc.tx0 = (OPJ_INT32)(tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx));
1674 pi[pino].poc.tx1 = (OPJ_INT32)tcp->tx0_t ;
1675 pi[pino].poc.ty0 = (OPJ_INT32)(tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy));
1676 pi[pino].poc.ty1 = (OPJ_INT32)tcp->ty0_t ;
1684 if(tcp->res_t==tcp->resE){
1685 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1686 tcp->res_t = tcp->resS;
1687 pi[pino].poc.resno0 = tcp->res_t;
1688 pi[pino].poc.resno1 = tcp->res_t+1;
1695 pi[pino].poc.resno0 = tcp->res_t;
1696 pi[pino].poc.resno1 = tcp->res_t+1;
1702 if(tcp->comp_t ==tcp->compE){
1703 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1704 tcp->comp_t = tcp->compS;
1705 pi[pino].poc.compno0 = tcp->comp_t;
1706 pi[pino].poc.compno1 = tcp->comp_t+1;
1713 pi[pino].poc.compno0 = tcp->comp_t;
1714 pi[pino].poc.compno1 = tcp->comp_t+1;
1720 if(tcp->lay_t == tcp->layE){
1721 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1722 tcp->lay_t = tcp->layS;
1723 pi[pino].poc.layno0 = tcp->lay_t;
1724 pi[pino].poc.layno1 = tcp->lay_t+1;
1731 pi[pino].poc.layno0 = tcp->lay_t;
1732 pi[pino].poc.layno1 = tcp->lay_t+1;
1741 if(tcp->prc_t == tcp->prcE){
1742 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1743 tcp->prc_t = tcp->prcS;
1744 pi[pino].poc.precno0 = tcp->prc_t;
1745 pi[pino].poc.precno1 = tcp->prc_t+1;
1752 pi[pino].poc.precno0 = tcp->prc_t;
1753 pi[pino].poc.precno1 = tcp->prc_t+1;
1759 if(tcp->tx0_t >= tcp->txE){
1760 if(tcp->ty0_t >= tcp->tyE){
1761 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1762 tcp->ty0_t = tcp->tyS;
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=1;resetX=1;
1768 incr_top=0;resetX=0;
1771 pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
1772 pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
1773 tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
1774 incr_top=0;resetX=1;
1777 tcp->tx0_t = tcp->txS;
1778 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1779 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx));
1780 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1783 pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
1784 pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx));
1785 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
1798 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
1799 OPJ_UINT32 p_nb_elements)
1801 OPJ_UINT32 compno, pino;
1802 opj_pi_iterator_t *l_current_pi = p_pi;
1804 if (p_pi->include) {
1805 opj_free(p_pi->include);
1808 for (pino = 0; pino < p_nb_elements; ++pino){
1809 if(l_current_pi->comps) {
1810 opj_pi_comp_t *l_current_component = l_current_pi->comps;
1811 for (compno = 0; compno < l_current_pi->numcomps; compno++){
1812 if(l_current_component->resolutions) {
1813 opj_free(l_current_component->resolutions);
1814 l_current_component->resolutions = 00;
1817 ++l_current_component;
1819 opj_free(l_current_pi->comps);
1820 l_current_pi->comps = 0;
1830 void opj_pi_update_encoding_parameters( const opj_image_t *p_image,
1832 OPJ_UINT32 p_tile_no )
1834 /* encoding parameters to set */
1835 OPJ_UINT32 l_max_res;
1836 OPJ_UINT32 l_max_prec;
1837 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1838 OPJ_UINT32 l_dx_min,l_dy_min;
1841 opj_tcp_t *l_tcp = 00;
1845 assert(p_image != 00);
1846 assert(p_tile_no < p_cp->tw * p_cp->th);
1848 l_tcp = &(p_cp->tcps[p_tile_no]);
1850 /* get encoding parameters */
1851 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);
1854 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);
1857 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);
1861 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi) {
1862 switch (pi->poc.prg) {
1864 return opj_pi_next_lrcp(pi);
1866 return opj_pi_next_rlcp(pi);
1868 return opj_pi_next_rpcl(pi);
1870 return opj_pi_next_pcrl(pi);
1872 return opj_pi_next_cprl(pi);
1873 case OPJ_PROG_UNKNOWN: