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
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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.
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.
33 #include "opj_includes.h"
35 /** @defgroup PI PI - Implementation of a packet iterator */
38 /** @name Local static functions */
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
46 static opj_bool opj_pi_next_lrcp(opj_pi_iterator_t * pi);
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
52 static opj_bool opj_pi_next_rlcp(opj_pi_iterator_t * pi);
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
58 static opj_bool opj_pi_next_rpcl(opj_pi_iterator_t * pi);
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
64 static opj_bool opj_pi_next_pcrl(opj_pi_iterator_t * pi);
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
70 static opj_bool opj_pi_next_cprl(opj_pi_iterator_t * pi);
73 * Updates the coding parameters if the encoding is used with Progression order changes and final (or cinema parameters are used).
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.
86 static void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
92 OPJ_UINT32 p_max_prec,
98 * Updates the coding parameters if the encoding is not used with Progression order changes and final (and cinema parameters are used).
100 * @param p_cp the coding parameters to modify
101 * @param p_tileno the tile index being concerned.
102 * @param p_tx0 X0 parameter for the tile
103 * @param p_tx1 X1 parameter for the tile
104 * @param p_ty0 Y0 parameter for the tile
105 * @param p_ty1 Y1 parameter for the tile
106 * @param p_max_prec the maximum precision for all the bands of the tile
107 * @param p_max_res the maximum number of resolutions for all the poc inside the tile.
108 * @param dx_min the minimum dx of all the components of all the resolutions for the tile.
109 * @param dy_min the minimum dy of all the components of all the resolutions for the tile.
111 static void opj_pi_update_encode_not_poc ( opj_cp_t *p_cp,
112 OPJ_UINT32 p_num_comps,
118 OPJ_UINT32 p_max_prec,
119 OPJ_UINT32 p_max_res,
121 OPJ_UINT32 p_dy_min);
123 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
125 * @param p_image the image being encoded.
126 * @param p_cp the coding parameters.
127 * @param p_tileno the tile index of the tile being encoded.
128 * @param p_tx0 pointer that will hold the X0 parameter for the tile
129 * @param p_tx1 pointer that will hold the X1 parameter for the tile
130 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
131 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
132 * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
133 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
134 * @param dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
135 * @param dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
137 static void opj_get_encoding_parameters(const opj_image_t *p_image,
138 const opj_cp_t *p_cp,
144 OPJ_UINT32 * p_dx_min,
145 OPJ_UINT32 * p_dy_min,
146 OPJ_UINT32 * p_max_prec,
147 OPJ_UINT32 * p_max_res );
150 * Gets the encoding parameters needed to update the coding parameters and all the pocs.
151 * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
152 * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
153 * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
154 * 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 * @param p_image the image being encoded.
157 * @param p_cp the coding parameters.
158 * @param tileno the tile index of the tile being encoded.
159 * @param p_tx0 pointer that will hold the X0 parameter for the tile
160 * @param p_tx1 pointer that will hold the X1 parameter for the tile
161 * @param p_ty0 pointer that will hold the Y0 parameter for the tile
162 * @param p_ty1 pointer that will hold the Y1 parameter for the tile
163 * @param p_max_prec pointer that will hold the the maximum precision for all the bands of the tile
164 * @param p_max_res pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
165 * @param p_dx_min pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
166 * @param p_dy_min pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
167 * @param p_resolutions pointer to an area corresponding to the one described above.
169 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
170 const opj_cp_t *p_cp,
176 OPJ_UINT32 * p_dx_min,
177 OPJ_UINT32 * p_dy_min,
178 OPJ_UINT32 * p_max_prec,
179 OPJ_UINT32 * p_max_res,
180 OPJ_UINT32 ** p_resolutions );
182 * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
183 * No other data is set. The include section of the packet iterator is not allocated.
185 * @param p_image the image used to initialize the packet iterator (in fact only the number of components is relevant.
186 * @param p_cp the coding parameters.
187 * @param p_tile_no the index of the tile from which creating the packet iterator.
189 static opj_pi_iterator_t * opj_pi_create( const opj_image_t *image,
195 static void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
197 OPJ_UINT32 p_max_precision,
198 OPJ_UINT32 p_max_res);
202 static void opj_pi_update_decode_poc ( opj_pi_iterator_t * p_pi,
204 OPJ_UINT32 p_max_precision,
205 OPJ_UINT32 p_max_res);
210 opj_bool opj_pi_check_next_level( OPJ_INT32 pos,
214 const OPJ_CHAR *prog);
221 ==========================================================
223 ==========================================================
226 opj_bool opj_pi_next_lrcp(opj_pi_iterator_t * pi) {
227 opj_pi_comp_t *comp = NULL;
228 opj_pi_resolution_t *res = NULL;
229 OPJ_UINT32 index = 0;
232 comp = &pi->comps[pi->compno];
233 res = &comp->resolutions[pi->resno];
239 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
240 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
242 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
243 comp = &pi->comps[pi->compno];
244 if (pi->resno >= comp->numresolutions) {
247 res = &comp->resolutions[pi->resno];
249 pi->poc.precno1 = res->pw * res->ph;
251 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
252 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
253 if (!pi->include[index]) {
254 pi->include[index] = 1;
266 opj_bool opj_pi_next_rlcp(opj_pi_iterator_t * pi) {
267 opj_pi_comp_t *comp = NULL;
268 opj_pi_resolution_t *res = NULL;
269 OPJ_UINT32 index = 0;
272 comp = &pi->comps[pi->compno];
273 res = &comp->resolutions[pi->resno];
279 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
280 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
281 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
282 comp = &pi->comps[pi->compno];
283 if (pi->resno >= comp->numresolutions) {
286 res = &comp->resolutions[pi->resno];
288 pi->poc.precno1 = res->pw * res->ph;
290 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
291 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
292 if (!pi->include[index]) {
293 pi->include[index] = 1;
305 opj_bool opj_pi_next_rpcl(opj_pi_iterator_t * pi) {
306 opj_pi_comp_t *comp = NULL;
307 opj_pi_resolution_t *res = NULL;
308 OPJ_UINT32 index = 0;
313 OPJ_UINT32 compno, resno;
317 for (compno = 0; compno < pi->numcomps; compno++) {
318 comp = &pi->comps[compno];
319 for (resno = 0; resno < comp->numresolutions; resno++) {
321 res = &comp->resolutions[resno];
322 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
323 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
324 pi->dx = !pi->dx ? dx : opj_int_min(pi->dx, dx);
325 pi->dy = !pi->dy ? dy : opj_int_min(pi->dy, dy);
330 pi->poc.ty0 = pi->ty0;
331 pi->poc.tx0 = pi->tx0;
332 pi->poc.ty1 = pi->ty1;
333 pi->poc.tx1 = pi->tx1;
335 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
336 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
337 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
338 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
340 OPJ_INT32 trx0, try0;
341 OPJ_INT32 trx1, try1;
343 OPJ_INT32 prci, prcj;
344 comp = &pi->comps[pi->compno];
345 if (pi->resno >= comp->numresolutions) {
348 res = &comp->resolutions[pi->resno];
349 levelno = comp->numresolutions - 1 - pi->resno;
350 trx0 = opj_int_ceildiv(pi->tx0, comp->dx << levelno);
351 try0 = opj_int_ceildiv(pi->ty0, comp->dy << levelno);
352 trx1 = opj_int_ceildiv(pi->tx1, comp->dx << levelno);
353 try1 = opj_int_ceildiv(pi->ty1, comp->dy << levelno);
354 rpx = res->pdx + levelno;
355 rpy = res->pdy + levelno;
356 if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
359 if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
363 if ((res->pw==0)||(res->ph==0)) continue;
365 if ((trx0==trx1)||(try0==try1)) continue;
367 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
368 - opj_int_floordivpow2(trx0, res->pdx);
369 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
370 - opj_int_floordivpow2(try0, res->pdy);
371 pi->precno = prci + prcj * res->pw;
372 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
373 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
374 if (!pi->include[index]) {
375 pi->include[index] = 1;
388 opj_bool opj_pi_next_pcrl(opj_pi_iterator_t * pi) {
389 opj_pi_comp_t *comp = NULL;
390 opj_pi_resolution_t *res = NULL;
391 OPJ_UINT32 index = 0;
394 comp = &pi->comps[pi->compno];
397 OPJ_UINT32 compno, resno;
401 for (compno = 0; compno < pi->numcomps; compno++) {
402 comp = &pi->comps[compno];
403 for (resno = 0; resno < comp->numresolutions; resno++) {
405 res = &comp->resolutions[resno];
406 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
407 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
408 pi->dx = !pi->dx ? dx : opj_int_min(pi->dx, dx);
409 pi->dy = !pi->dy ? dy : opj_int_min(pi->dy, dy);
414 pi->poc.ty0 = pi->ty0;
415 pi->poc.tx0 = pi->tx0;
416 pi->poc.ty1 = pi->ty1;
417 pi->poc.tx1 = pi->tx1;
419 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
420 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
421 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
422 comp = &pi->comps[pi->compno];
423 for (pi->resno = pi->poc.resno0; pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
425 OPJ_INT32 trx0, try0;
426 OPJ_INT32 trx1, try1;
428 OPJ_INT32 prci, prcj;
429 res = &comp->resolutions[pi->resno];
430 levelno = comp->numresolutions - 1 - pi->resno;
431 trx0 = opj_int_ceildiv(pi->tx0, comp->dx << levelno);
432 try0 = opj_int_ceildiv(pi->ty0, comp->dy << levelno);
433 trx1 = opj_int_ceildiv(pi->tx1, comp->dx << levelno);
434 try1 = opj_int_ceildiv(pi->ty1, comp->dy << levelno);
435 rpx = res->pdx + levelno;
436 rpy = res->pdy + levelno;
437 if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
440 if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
444 if ((res->pw==0)||(res->ph==0)) continue;
446 if ((trx0==trx1)||(try0==try1)) continue;
448 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
449 - opj_int_floordivpow2(trx0, res->pdx);
450 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
451 - opj_int_floordivpow2(try0, res->pdy);
452 pi->precno = prci + prcj * res->pw;
453 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
454 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
455 if (!pi->include[index]) {
456 pi->include[index] = 1;
469 opj_bool opj_pi_next_cprl(opj_pi_iterator_t * pi) {
470 opj_pi_comp_t *comp = NULL;
471 opj_pi_resolution_t *res = NULL;
472 OPJ_UINT32 index = 0;
475 comp = &pi->comps[pi->compno];
481 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
483 comp = &pi->comps[pi->compno];
486 for (resno = 0; resno < comp->numresolutions; resno++) {
488 res = &comp->resolutions[resno];
489 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
490 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
491 pi->dx = !pi->dx ? dx : opj_int_min(pi->dx, dx);
492 pi->dy = !pi->dy ? dy : opj_int_min(pi->dy, dy);
495 pi->poc.ty0 = pi->ty0;
496 pi->poc.tx0 = pi->tx0;
497 pi->poc.ty1 = pi->ty1;
498 pi->poc.tx1 = pi->tx1;
500 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
501 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
502 for (pi->resno = pi->poc.resno0; pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
504 OPJ_INT32 trx0, try0;
505 OPJ_INT32 trx1, try1;
507 OPJ_INT32 prci, prcj;
508 res = &comp->resolutions[pi->resno];
509 levelno = comp->numresolutions - 1 - pi->resno;
510 trx0 = opj_int_ceildiv(pi->tx0, comp->dx << levelno);
511 try0 = opj_int_ceildiv(pi->ty0, comp->dy << levelno);
512 trx1 = opj_int_ceildiv(pi->tx1, comp->dx << levelno);
513 try1 = opj_int_ceildiv(pi->ty1, comp->dy << levelno);
514 rpx = res->pdx + levelno;
515 rpy = res->pdy + levelno;
516 if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
519 if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
523 if ((res->pw==0)||(res->ph==0)) continue;
525 if ((trx0==trx1)||(try0==try1)) continue;
527 prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
528 - opj_int_floordivpow2(trx0, res->pdx);
529 prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
530 - opj_int_floordivpow2(try0, res->pdy);
531 pi->precno = prci + prcj * res->pw;
532 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
533 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
534 if (!pi->include[index]) {
535 pi->include[index] = 1;
548 void opj_get_encoding_parameters( const opj_image_t *p_image,
549 const opj_cp_t *p_cp,
555 OPJ_UINT32 * p_dx_min,
556 OPJ_UINT32 * p_dy_min,
557 OPJ_UINT32 * p_max_prec,
558 OPJ_UINT32 * p_max_res )
561 OPJ_UINT32 compno, resno;
563 const opj_tcp_t *l_tcp = 00;
564 const opj_tccp_t * l_tccp = 00;
565 const opj_image_comp_t * l_img_comp = 00;
567 /* position in x and y of tile */
572 assert(p_image != 00);
573 assert(p_tileno < p_cp->tw * p_cp->th);
575 /* initializations */
576 l_tcp = &p_cp->tcps [p_tileno];
577 l_img_comp = p_image->comps;
578 l_tccp = l_tcp->tccps;
580 /* here calculation of tx0, tx1, ty0, ty1, maxprec, dx and dy */
581 p = p_tileno % p_cp->tw;
582 q = p_tileno / p_cp->tw;
584 /* find extent of tile */
585 *p_tx0 = opj_int_max(p_cp->tx0 + p * p_cp->tdx, p_image->x0);
586 *p_tx1 = opj_int_min(p_cp->tx0 + (p + 1) * p_cp->tdx, p_image->x1);
587 *p_ty0 = opj_int_max(p_cp->ty0 + q * p_cp->tdy, p_image->y0);
588 *p_ty1 = opj_int_min(p_cp->ty0 + (q + 1) * p_cp->tdy, p_image->y1);
590 /* max precision is 0 (can only grow) */
594 /* take the largest value for dx_min and dy_min */
595 *p_dx_min = 0x7fffffff;
596 *p_dy_min = 0x7fffffff;
598 for (compno = 0; compno < p_image->numcomps; ++compno) {
599 /* arithmetic variables to calculate */
600 OPJ_UINT32 l_level_no;
601 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
602 OPJ_INT32 l_px0, l_py0, l_px1, py1;
603 OPJ_UINT32 l_pdx, l_pdy;
604 OPJ_UINT32 l_pw, l_ph;
605 OPJ_UINT32 l_product;
606 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
608 l_tcx0 = opj_int_ceildiv(*p_tx0, l_img_comp->dx);
609 l_tcy0 = opj_int_ceildiv(*p_ty0, l_img_comp->dy);
610 l_tcx1 = opj_int_ceildiv(*p_tx1, l_img_comp->dx);
611 l_tcy1 = opj_int_ceildiv(*p_ty1, l_img_comp->dy);
613 if (l_tccp->numresolutions > *p_max_res) {
614 *p_max_res = l_tccp->numresolutions;
617 /* use custom size for precincts */
618 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
619 OPJ_UINT32 l_dx, l_dy;
621 /* precinct width and height */
622 l_pdx = l_tccp->prcw[resno];
623 l_pdy = l_tccp->prch[resno];
625 l_dx = l_img_comp->dx * (1 << (l_pdx + l_tccp->numresolutions - 1 - resno));
626 l_dy = l_img_comp->dy * (1 << (l_pdy + l_tccp->numresolutions - 1 - resno));
628 /* take the minimum size for dx for each comp and resolution */
629 *p_dx_min = opj_uint_min(*p_dx_min, l_dx);
630 *p_dy_min = opj_uint_min(*p_dy_min, l_dy);
632 /* various calculations of extents */
633 l_level_no = l_tccp->numresolutions - 1 - resno;
635 l_rx0 = opj_int_ceildivpow2(l_tcx0, l_level_no);
636 l_ry0 = opj_int_ceildivpow2(l_tcy0, l_level_no);
637 l_rx1 = opj_int_ceildivpow2(l_tcx1, l_level_no);
638 l_ry1 = opj_int_ceildivpow2(l_tcy1, l_level_no);
640 l_px0 = opj_int_floordivpow2(l_rx0, l_pdx) << l_pdx;
641 l_py0 = opj_int_floordivpow2(l_ry0, l_pdy) << l_pdy;
642 l_px1 = opj_int_ceildivpow2(l_rx1, l_pdx) << l_pdx;
644 py1 = opj_int_ceildivpow2(l_ry1, l_pdy) << l_pdy;
646 l_pw = (l_rx0==l_rx1)?0:((l_px1 - l_px0) >> l_pdx);
647 l_ph = (l_ry0==l_ry1)?0:((py1 - l_py0) >> l_pdy);
649 l_product = l_pw * l_ph;
651 /* update precision */
652 if (l_product > *p_max_prec) {
653 *p_max_prec = l_product;
662 void opj_get_all_encoding_parameters( const opj_image_t *p_image,
663 const opj_cp_t *p_cp,
669 OPJ_UINT32 * p_dx_min,
670 OPJ_UINT32 * p_dy_min,
671 OPJ_UINT32 * p_max_prec,
672 OPJ_UINT32 * p_max_res,
673 OPJ_UINT32 ** p_resolutions )
676 OPJ_UINT32 compno, resno;
679 const opj_tcp_t *tcp = 00;
680 const opj_tccp_t * l_tccp = 00;
681 const opj_image_comp_t * l_img_comp = 00;
683 /* to store l_dx, l_dy, w and h for each resolution and component.*/
684 OPJ_UINT32 * lResolutionPtr;
686 /* position in x and y of tile*/
689 /* preconditions in debug*/
691 assert(p_image != 00);
692 assert(tileno < p_cp->tw * p_cp->th);
695 tcp = &p_cp->tcps [tileno];
697 l_img_comp = p_image->comps;
699 /* position in x and y of tile*/
700 p = tileno % p_cp->tw;
701 q = tileno / p_cp->tw;
703 /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
704 *p_tx0 = opj_int_max(p_cp->tx0 + p * p_cp->tdx, p_image->x0);
705 *p_tx1 = opj_int_min(p_cp->tx0 + (p + 1) * p_cp->tdx, p_image->x1);
706 *p_ty0 = opj_int_max(p_cp->ty0 + q * p_cp->tdy, p_image->y0);
707 *p_ty1 = opj_int_min(p_cp->ty0 + (q + 1) * p_cp->tdy, p_image->y1);
709 /* max precision and resolution is 0 (can only grow)*/
713 /* take the largest value for dx_min and dy_min*/
714 *p_dx_min = 0x7fffffff;
715 *p_dy_min = 0x7fffffff;
717 for (compno = 0; compno < p_image->numcomps; ++compno) {
718 /* aritmetic variables to calculate*/
719 OPJ_UINT32 l_level_no;
720 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
721 OPJ_INT32 l_px0, l_py0, l_px1, py1;
722 OPJ_UINT32 l_product;
723 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
724 OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph;
726 lResolutionPtr = p_resolutions[compno];
728 l_tcx0 = opj_int_ceildiv(*p_tx0, l_img_comp->dx);
729 l_tcy0 = opj_int_ceildiv(*p_ty0, l_img_comp->dy);
730 l_tcx1 = opj_int_ceildiv(*p_tx1, l_img_comp->dx);
731 l_tcy1 = opj_int_ceildiv(*p_ty1, l_img_comp->dy);
733 if (l_tccp->numresolutions > *p_max_res) {
734 *p_max_res = l_tccp->numresolutions;
737 /* use custom size for precincts*/
738 l_level_no = l_tccp->numresolutions - 1;
739 for (resno = 0; resno < l_tccp->numresolutions; ++resno) {
740 OPJ_UINT32 l_dx, l_dy;
742 /* precinct width and height*/
743 l_pdx = l_tccp->prcw[resno];
744 l_pdy = l_tccp->prch[resno];
745 *lResolutionPtr++ = l_pdx;
746 *lResolutionPtr++ = l_pdy;
747 l_dx = l_img_comp->dx * (1 << (l_pdx + l_level_no));
748 l_dy = l_img_comp->dy * (1 << (l_pdy + l_level_no));
749 /* take the minimum size for l_dx for each comp and resolution*/
750 *p_dx_min = opj_int_min(*p_dx_min, l_dx);
751 *p_dy_min = opj_int_min(*p_dy_min, l_dy);
753 /* various calculations of extents*/
754 l_rx0 = opj_int_ceildivpow2(l_tcx0, l_level_no);
755 l_ry0 = opj_int_ceildivpow2(l_tcy0, l_level_no);
756 l_rx1 = opj_int_ceildivpow2(l_tcx1, l_level_no);
757 l_ry1 = opj_int_ceildivpow2(l_tcy1, l_level_no);
758 l_px0 = opj_int_floordivpow2(l_rx0, l_pdx) << l_pdx;
759 l_py0 = opj_int_floordivpow2(l_ry0, l_pdy) << l_pdy;
760 l_px1 = opj_int_ceildivpow2(l_rx1, l_pdx) << l_pdx;
761 py1 = opj_int_ceildivpow2(l_ry1, l_pdy) << l_pdy;
762 l_pw = (l_rx0==l_rx1)?0:((l_px1 - l_px0) >> l_pdx);
763 l_ph = (l_ry0==l_ry1)?0:((py1 - l_py0) >> l_pdy);
764 *lResolutionPtr++ = l_pw;
765 *lResolutionPtr++ = l_ph;
766 l_product = l_pw * l_ph;
768 /* update precision*/
769 if (l_product > *p_max_prec) {
770 *p_max_prec = l_product;
780 opj_pi_iterator_t * opj_pi_create( const opj_image_t *image,
785 OPJ_UINT32 pino, compno;
786 /* number of poc in the p_pi*/
787 OPJ_UINT32 l_poc_bound;
789 /* pointers to tile coding parameters and components.*/
790 opj_pi_iterator_t *l_pi = 00;
792 const opj_tccp_t *tccp = 00;
794 /* current packet iterator being allocated*/
795 opj_pi_iterator_t *l_current_pi = 00;
797 /* preconditions in debug*/
800 assert(tileno < cp->tw * cp->th);
803 tcp = &cp->tcps[tileno];
804 l_poc_bound = tcp->numpocs+1;
806 /* memory allocations*/
807 l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
811 memset(l_pi,0,l_poc_bound * sizeof(opj_pi_iterator_t));
814 for (pino = 0; pino < l_poc_bound ; ++pino) {
816 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
817 if (! l_current_pi->comps) {
818 opj_pi_destroy(l_pi, l_poc_bound);
822 l_current_pi->numcomps = image->numcomps;
823 memset(l_current_pi->comps,0,image->numcomps * sizeof(opj_pi_comp_t));
825 for (compno = 0; compno < image->numcomps; ++compno) {
826 opj_pi_comp_t *comp = &l_current_pi->comps[compno];
828 tccp = &tcp->tccps[compno];
830 comp->resolutions = (opj_pi_resolution_t*) opj_malloc(tccp->numresolutions * sizeof(opj_pi_resolution_t));
831 if (!comp->resolutions) {
832 opj_pi_destroy(l_pi, l_poc_bound);
836 comp->numresolutions = tccp->numresolutions;
837 memset(comp->resolutions,0,tccp->numresolutions * sizeof(opj_pi_resolution_t));
844 void opj_pi_update_encode_poc_and_final ( opj_cp_t *p_cp,
850 OPJ_UINT32 p_max_prec,
851 OPJ_UINT32 p_max_res,
857 /* tile coding parameter*/
858 opj_tcp_t *l_tcp = 00;
859 /* current poc being updated*/
860 opj_poc_t * l_current_poc = 00;
863 OPJ_UINT32 l_poc_bound;
865 OPJ_ARG_NOT_USED(p_max_res);
867 /* preconditions in debug*/
869 assert(p_tileno < p_cp->tw * p_cp->th);
872 l_tcp = &p_cp->tcps [p_tileno];
873 /* number of iterations in the loop */
874 l_poc_bound = l_tcp->numpocs+1;
876 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
877 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
878 l_current_poc = l_tcp->pocs;
880 l_current_poc->compS = l_current_poc->compno0;
881 l_current_poc->compE = l_current_poc->compno1;
882 l_current_poc->resS = l_current_poc->resno0;
883 l_current_poc->resE = l_current_poc->resno1;
884 l_current_poc->layE = l_current_poc->layno1;
886 /* special treatment for the first element*/
887 l_current_poc->layS = 0;
888 l_current_poc->prg = l_current_poc->prg1;
889 l_current_poc->prcS = 0;
891 l_current_poc->prcE = p_max_prec;
892 l_current_poc->txS = p_tx0;
893 l_current_poc->txE = p_tx1;
894 l_current_poc->tyS = p_ty0;
895 l_current_poc->tyE = p_ty1;
896 l_current_poc->dx = p_dx_min;
897 l_current_poc->dy = p_dy_min;
900 for (pino = 1;pino < l_poc_bound ; ++pino) {
901 l_current_poc->compS = l_current_poc->compno0;
902 l_current_poc->compE= l_current_poc->compno1;
903 l_current_poc->resS = l_current_poc->resno0;
904 l_current_poc->resE = l_current_poc->resno1;
905 l_current_poc->layE = l_current_poc->layno1;
906 l_current_poc->prg = l_current_poc->prg1;
907 l_current_poc->prcS = 0;
908 /* special treatment here different from the first element*/
909 l_current_poc->layS = (l_current_poc->layE > (l_current_poc-1)->layE) ? l_current_poc->layE : 0;
911 l_current_poc->prcE = p_max_prec;
912 l_current_poc->txS = p_tx0;
913 l_current_poc->txE = p_tx1;
914 l_current_poc->tyS = p_ty0;
915 l_current_poc->tyE = p_ty1;
916 l_current_poc->dx = p_dx_min;
917 l_current_poc->dy = p_dy_min;
922 void opj_pi_update_encode_not_poc ( opj_cp_t *p_cp,
923 OPJ_UINT32 p_num_comps,
929 OPJ_UINT32 p_max_prec,
930 OPJ_UINT32 p_max_res,
936 /* tile coding parameter*/
937 opj_tcp_t *l_tcp = 00;
938 /* current poc being updated*/
939 opj_poc_t * l_current_poc = 00;
941 OPJ_UINT32 l_poc_bound;
943 /* preconditions in debug*/
945 assert(p_tileno < p_cp->tw * p_cp->th);
948 l_tcp = &p_cp->tcps [p_tileno];
950 /* number of iterations in the loop */
951 l_poc_bound = l_tcp->numpocs+1;
953 /* start at first element, and to make sure the compiler will not make a calculation each time in the loop
954 store a pointer to the current element to modify rather than l_tcp->pocs[i]*/
955 l_current_poc = l_tcp->pocs;
957 for (pino = 0; pino < l_poc_bound ; ++pino) {
958 l_current_poc->compS = 0;
959 l_current_poc->compE = p_num_comps;/*p_image->numcomps;*/
960 l_current_poc->resS = 0;
961 l_current_poc->resE = p_max_res;
962 l_current_poc->layS = 0;
963 l_current_poc->layE = l_tcp->numlayers;
964 l_current_poc->prg = l_tcp->prg;
965 l_current_poc->prcS = 0;
966 l_current_poc->prcE = p_max_prec;
967 l_current_poc->txS = p_tx0;
968 l_current_poc->txE = p_tx1;
969 l_current_poc->tyS = p_ty0;
970 l_current_poc->tyE = p_ty1;
971 l_current_poc->dx = p_dx_min;
972 l_current_poc->dy = p_dy_min;
977 void opj_pi_update_decode_poc (opj_pi_iterator_t * p_pi,
979 OPJ_UINT32 p_max_precision,
980 OPJ_UINT32 p_max_res)
985 /* encoding prameters to set*/
988 opj_pi_iterator_t * l_current_pi = 00;
989 opj_poc_t* l_current_poc = 0;
991 OPJ_ARG_NOT_USED(p_max_res);
993 /* preconditions in debug*/
998 l_bound = p_tcp->numpocs+1;
1000 l_current_poc = p_tcp->pocs;
1002 for (pino = 0;pino<l_bound;++pino) {
1003 l_current_pi->poc.prg = l_current_poc->prg;
1004 l_current_pi->first = 1;
1006 l_current_pi->poc.resno0 = l_current_poc->resno0;
1007 l_current_pi->poc.compno0 = l_current_poc->compno0;
1008 l_current_pi->poc.layno0 = 0;
1009 l_current_pi->poc.precno0 = 0;
1010 l_current_pi->poc.resno1 = l_current_poc->resno1;
1011 l_current_pi->poc.compno1 = l_current_poc->compno1;
1012 l_current_pi->poc.layno1 = l_current_poc->layno1;
1013 l_current_pi->poc.precno1 = p_max_precision;
1019 void opj_pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,
1021 OPJ_UINT32 p_max_precision,
1022 OPJ_UINT32 p_max_res)
1027 /* encoding prameters to set*/
1030 opj_pi_iterator_t * l_current_pi = 00;
1031 /* preconditions in debug*/
1032 assert(p_tcp != 00);
1035 /* initializations*/
1036 l_bound = p_tcp->numpocs+1;
1037 l_current_pi = p_pi;
1039 for (pino = 0;pino<l_bound;++pino) {
1040 l_current_pi->poc.prg = p_tcp->prg;
1041 l_current_pi->first = 1;
1042 l_current_pi->poc.resno0 = 0;
1043 l_current_pi->poc.compno0 = 0;
1044 l_current_pi->poc.layno0 = 0;
1045 l_current_pi->poc.precno0 = 0;
1046 l_current_pi->poc.resno1 = p_max_res;
1047 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1048 l_current_pi->poc.layno1 = p_tcp->numlayers;
1049 l_current_pi->poc.precno1 = p_max_precision;
1056 opj_bool opj_pi_check_next_level( OPJ_INT32 pos,
1060 const OPJ_CHAR *prog)
1063 opj_tcp_t *tcps =&cp->tcps[tileno];
1064 opj_poc_t *tcp = &tcps->pocs[pino];
1067 for(i=pos;pos>=0;i--){
1070 if(tcp->res_t==tcp->resE){
1071 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1081 if(tcp->comp_t==tcp->compE){
1082 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1092 if(tcp->lay_t==tcp->layE){
1093 if(opj_pi_check_next_level(pos-1,cp,tileno,pino,prog)){
1105 if(tcp->prc_t == tcp->prcE){
1106 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1116 if(tcp->tx0_t == tcp->txE){
1118 if(tcp->ty0_t == tcp->tyE){
1119 if(opj_pi_check_next_level(i-1,cp,tileno,pino,prog)){
1140 ==========================================================
1141 Packet iterator interface
1142 ==========================================================
1144 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
1146 OPJ_UINT32 p_tile_no)
1150 OPJ_UINT32 compno, resno;
1152 /* to store w, h, dx and dy fro all components and resolutions */
1153 OPJ_UINT32 * l_tmp_data;
1154 OPJ_UINT32 ** l_tmp_ptr;
1156 /* encoding prameters to set */
1157 OPJ_UINT32 l_max_res;
1158 OPJ_UINT32 l_max_prec;
1159 OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
1160 OPJ_UINT32 l_dx_min,l_dy_min;
1162 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1163 OPJ_UINT32 l_data_stride;
1166 opj_pi_iterator_t *l_pi = 00;
1167 opj_tcp_t *l_tcp = 00;
1168 const opj_tccp_t *l_tccp = 00;
1169 opj_pi_comp_t *l_current_comp = 00;
1170 opj_image_comp_t * l_img_comp = 00;
1171 opj_pi_iterator_t * l_current_pi = 00;
1172 OPJ_UINT32 * l_encoding_value_ptr = 00;
1174 /* preconditions in debug */
1176 assert(p_image != 00);
1177 assert(p_tile_no < p_cp->tw * p_cp->th);
1179 /* initializations */
1180 l_tcp = &p_cp->tcps[p_tile_no];
1181 l_bound = l_tcp->numpocs+1;
1183 l_data_stride = 4 * J2K_MAXRLVLS;
1184 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1185 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1191 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1192 p_image->numcomps * sizeof(OPJ_UINT32 *));
1196 opj_free(l_tmp_data);
1200 /* memory allocation for pi */
1201 l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
1203 opj_free(l_tmp_data);
1204 opj_free(l_tmp_ptr);
1208 l_encoding_value_ptr = l_tmp_data;
1209 /* update pointer array */
1211 (compno = 0; compno < p_image->numcomps; ++compno)
1213 l_tmp_ptr[compno] = l_encoding_value_ptr;
1214 l_encoding_value_ptr += l_data_stride;
1216 /* get encoding parameters */
1217 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 /* step calculations */
1221 l_step_c = l_max_prec * l_step_p;
1222 l_step_r = p_image->numcomps * l_step_c;
1223 l_step_l = l_max_res * l_step_r;
1225 /* set values for first packet iterator */
1226 l_current_pi = l_pi;
1228 /* memory allocation for include */
1229 l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
1231 (!l_current_pi->include)
1233 opj_free(l_tmp_data);
1234 opj_free(l_tmp_ptr);
1235 opj_pi_destroy(l_pi, l_bound);
1238 memset(l_current_pi->include,0, (l_tcp->numlayers + 1) * l_step_l* sizeof(OPJ_INT16));
1240 /* special treatment for the first packet iterator */
1241 l_current_comp = l_current_pi->comps;
1242 l_img_comp = p_image->comps;
1243 l_tccp = l_tcp->tccps;
1245 l_current_pi->tx0 = l_tx0;
1246 l_current_pi->ty0 = l_ty0;
1247 l_current_pi->tx1 = l_tx1;
1248 l_current_pi->ty1 = l_ty1;
1250 /*l_current_pi->dx = l_img_comp->dx;*/
1251 /*l_current_pi->dy = l_img_comp->dy;*/
1253 l_current_pi->step_p = l_step_p;
1254 l_current_pi->step_c = l_step_c;
1255 l_current_pi->step_r = l_step_r;
1256 l_current_pi->step_l = l_step_l;
1258 /* allocation for components and number of components has already been calculated by opj_pi_create */
1260 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1262 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1263 l_encoding_value_ptr = l_tmp_ptr[compno];
1265 l_current_comp->dx = l_img_comp->dx;
1266 l_current_comp->dy = l_img_comp->dy;
1267 /* resolutions have already been initialized */
1269 (resno = 0; resno < l_current_comp->numresolutions; resno++)
1271 l_res->pdx = *(l_encoding_value_ptr++);
1272 l_res->pdy = *(l_encoding_value_ptr++);
1273 l_res->pw = *(l_encoding_value_ptr++);
1274 l_res->ph = *(l_encoding_value_ptr++);
1284 (pino = 1 ; pino<l_bound ; ++pino )
1286 opj_pi_comp_t *l_current_comp = l_current_pi->comps;
1287 opj_image_comp_t * l_img_comp = p_image->comps;
1288 l_tccp = l_tcp->tccps;
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;
1301 /* allocation for components and number of components has already been calculated by opj_pi_create */
1303 (compno = 0; compno < l_current_pi->numcomps; ++compno)
1305 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
1306 l_encoding_value_ptr = l_tmp_ptr[compno];
1308 l_current_comp->dx = l_img_comp->dx;
1309 l_current_comp->dy = l_img_comp->dy;
1310 /* resolutions have already been initialized */
1312 (resno = 0; resno < l_current_comp->numresolutions; resno++)
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++);
1324 /* special treatment*/
1325 l_current_pi->include = (l_current_pi-1)->include;
1328 opj_free(l_tmp_data);
1330 opj_free(l_tmp_ptr);
1335 opj_pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
1339 opj_pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
1346 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
1348 OPJ_UINT32 p_tile_no,
1349 J2K_T2_MODE p_t2_mode )
1353 OPJ_UINT32 compno, resno;
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;
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;
1365 OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
1366 OPJ_UINT32 l_data_stride;
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;
1377 /* preconditions in debug*/
1379 assert(p_image != 00);
1380 assert(p_tile_no < p_cp->tw * p_cp->th);
1382 /* initializations*/
1383 l_tcp = &p_cp->tcps[p_tile_no];
1384 l_bound = l_tcp->numpocs+1;
1386 l_data_stride = 4 * J2K_MAXRLVLS;
1387 l_tmp_data = (OPJ_UINT32*)opj_malloc(
1388 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
1393 l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
1394 p_image->numcomps * sizeof(OPJ_UINT32 *));
1396 opj_free(l_tmp_data);
1400 /* memory allocation for pi*/
1401 l_pi = opj_pi_create(p_image,p_cp,p_tile_no);
1403 opj_free(l_tmp_data);
1404 opj_free(l_tmp_ptr);
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;
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);
1418 /* step calculations*/
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;
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;
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);
1436 memset(l_current_pi->include,0,l_tcp->numlayers * l_step_l* sizeof(OPJ_INT16));
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;
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];
1458 l_current_comp->dx = l_img_comp->dx;
1459 l_current_comp->dy = l_img_comp->dy;
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++);
1476 for (pino = 1 ; pino<l_bound ; ++pino ) {
1477 opj_pi_comp_t *l_current_comp = l_current_pi->comps;
1478 opj_image_comp_t * l_img_comp = p_image->comps;
1479 l_tccp = l_tcp->tccps;
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;
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];
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++);
1512 /* special treatment*/
1513 l_current_pi->include = (l_current_pi-1)->include;
1517 opj_free(l_tmp_data);
1519 opj_free(l_tmp_ptr);
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);
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);
1532 void opj_pi_create_encode( opj_pi_iterator_t *pi,
1538 J2K_T2_MODE t2_mode)
1540 const OPJ_CHAR *prog;
1542 OPJ_UINT32 incr_top=1,resetX=0;
1543 opj_tcp_t *tcps =&cp->tcps[tileno];
1544 opj_poc_t *tcp= &tcps->pocs[pino];
1546 prog = opj_j2k_convert_progression_order(tcp->prg);
1549 pi[pino].poc.prg = tcp->prg;
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 = tcp->txS;
1561 pi[pino].poc.ty0 = tcp->tyS;
1562 pi[pino].poc.tx1 = tcp->txE;
1563 pi[pino].poc.ty1 = tcp->tyE;
1565 for(i=tppos+1;i<4;i++){
1568 pi[pino].poc.resno0 = tcp->resS;
1569 pi[pino].poc.resno1 = tcp->resE;
1572 pi[pino].poc.compno0 = tcp->compS;
1573 pi[pino].poc.compno1 = tcp->compE;
1576 pi[pino].poc.layno0 = tcp->layS;
1577 pi[pino].poc.layno1 = tcp->layE;
1583 pi[pino].poc.precno0 = tcp->prcS;
1584 pi[pino].poc.precno1 = tcp->prcE;
1587 pi[pino].poc.tx0 = tcp->txS;
1588 pi[pino].poc.ty0 = tcp->tyS;
1589 pi[pino].poc.tx1 = tcp->txE;
1590 pi[pino].poc.ty1 = tcp->tyE;
1598 for(i=tppos;i>=0;i--){
1601 tcp->comp_t = tcp->compS;
1602 pi[pino].poc.compno0 = tcp->comp_t;
1603 pi[pino].poc.compno1 = tcp->comp_t+1;
1607 tcp->res_t = tcp->resS;
1608 pi[pino].poc.resno0 = tcp->res_t;
1609 pi[pino].poc.resno1 = tcp->res_t+1;
1613 tcp->lay_t = tcp->layS;
1614 pi[pino].poc.layno0 = tcp->lay_t;
1615 pi[pino].poc.layno1 = tcp->lay_t+1;
1622 tcp->prc_t = tcp->prcS;
1623 pi[pino].poc.precno0 = tcp->prc_t;
1624 pi[pino].poc.precno1 = tcp->prc_t+1;
1628 tcp->tx0_t = tcp->txS;
1629 tcp->ty0_t = tcp->tyS;
1630 pi[pino].poc.tx0 = tcp->tx0_t;
1631 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
1632 pi[pino].poc.ty0 = tcp->ty0_t;
1633 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1634 tcp->tx0_t = pi[pino].poc.tx1;
1635 tcp->ty0_t = pi[pino].poc.ty1;
1643 for(i=tppos;i>=0;i--){
1646 pi[pino].poc.compno0 = tcp->comp_t-1;
1647 pi[pino].poc.compno1 = tcp->comp_t;
1650 pi[pino].poc.resno0 = tcp->res_t-1;
1651 pi[pino].poc.resno1 = tcp->res_t;
1654 pi[pino].poc.layno0 = tcp->lay_t-1;
1655 pi[pino].poc.layno1 = tcp->lay_t;
1661 pi[pino].poc.precno0 = tcp->prc_t-1;
1662 pi[pino].poc.precno1 = tcp->prc_t;
1665 pi[pino].poc.tx0 = tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx);
1666 pi[pino].poc.tx1 = tcp->tx0_t ;
1667 pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
1668 pi[pino].poc.ty1 = tcp->ty0_t ;
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;
1687 pi[pino].poc.resno0 = tcp->res_t;
1688 pi[pino].poc.resno1 = tcp->res_t+1;
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;
1705 pi[pino].poc.compno0 = tcp->comp_t;
1706 pi[pino].poc.compno1 = tcp->comp_t+1;
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;
1723 pi[pino].poc.layno0 = tcp->lay_t;
1724 pi[pino].poc.layno1 = tcp->lay_t+1;
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;
1744 pi[pino].poc.precno0 = tcp->prc_t;
1745 pi[pino].poc.precno1 = tcp->prc_t+1;
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 = tcp->ty0_t;
1756 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1757 tcp->ty0_t = pi[pino].poc.ty1;
1758 incr_top=1;resetX=1;
1760 incr_top=0;resetX=0;
1763 pi[pino].poc.ty0 = tcp->ty0_t;
1764 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1765 tcp->ty0_t = pi[pino].poc.ty1;
1766 incr_top=0;resetX=1;
1769 tcp->tx0_t = tcp->txS;
1770 pi[pino].poc.tx0 = tcp->tx0_t;
1771 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
1772 tcp->tx0_t = pi[pino].poc.tx1;
1775 pi[pino].poc.tx0 = tcp->tx0_t;
1776 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
1777 tcp->tx0_t = pi[pino].poc.tx1;
1790 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
1791 OPJ_UINT32 p_nb_elements)
1793 OPJ_UINT32 compno, pino;
1794 opj_pi_iterator_t *l_current_pi = p_pi;
1796 if (p_pi->include) {
1797 opj_free(p_pi->include);
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;
1809 ++l_current_component;
1811 opj_free(l_current_pi->comps);
1812 l_current_pi->comps = 0;
1822 void opj_pi_update_encoding_parameters( const opj_image_t *p_image,
1824 OPJ_UINT32 p_tile_no )
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;
1833 opj_tcp_t *l_tcp = 00;
1837 assert(p_image != 00);
1838 assert(p_tile_no < p_cp->tw * p_cp->th);
1840 l_tcp = &(p_cp->tcps[p_tile_no]);
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);
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);
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);
1853 opj_bool opj_pi_next(opj_pi_iterator_t * pi) {
1854 switch (pi->poc.prg) {
1856 return opj_pi_next_lrcp(pi);
1858 return opj_pi_next_rlcp(pi);
1860 return opj_pi_next_rpcl(pi);
1862 return opj_pi_next_pcrl(pi);
1864 return opj_pi_next_cprl(pi);