1/*
2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
6 *
7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2001-2003, David Janssens
10 * Copyright (c) 2002-2003, Yannick Verschueren
11 * Copyright (c) 2003-2007, Francois-Olivier Devaux
12 * Copyright (c) 2003-2014, Antonin Descampe
13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
14 * Copyright (c) 2006-2007, Parvatha Elangovan
15 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
16 * Copyright (c) 2012, CS Systemes d'Information, France
17 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
18 * All rights reserved.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
30 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
33 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 * POSSIBILITY OF SUCH DAMAGE.
40 */
41
42#include "opj_includes.h"
43#include "opj_common.h"
44
45/* ----------------------------------------------------------------------- */
46
47/* TODO MSD: */
48#ifdef TODO_MSD
49void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img)
50{
51 int tileno, compno, resno, bandno, precno;/*, cblkno;*/
52
53 fprintf(fd, "image {\n");
54 fprintf(fd, " tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
55 img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0,
56 tcd->image->y1);
57
58 for (tileno = 0; tileno < img->th * img->tw; tileno++) {
59 opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
60 fprintf(fd, " tile {\n");
61 fprintf(fd, " x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
62 tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
63 for (compno = 0; compno < tile->numcomps; compno++) {
64 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
65 fprintf(fd, " tilec {\n");
66 fprintf(fd,
67 " x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
68 tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
69 for (resno = 0; resno < tilec->numresolutions; resno++) {
70 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
71 fprintf(fd, "\n res {\n");
72 fprintf(fd,
73 " x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n",
74 res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands);
75 for (bandno = 0; bandno < res->numbands; bandno++) {
76 opj_tcd_band_t *band = &res->bands[bandno];
77 fprintf(fd, " band {\n");
78 fprintf(fd,
79 " x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
80 band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
81 for (precno = 0; precno < res->pw * res->ph; precno++) {
82 opj_tcd_precinct_t *prec = &band->precincts[precno];
83 fprintf(fd, " prec {\n");
84 fprintf(fd,
85 " x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n",
86 prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch);
87 /*
88 for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
89 opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
90 fprintf(fd, " cblk {\n");
91 fprintf(fd,
92 " x0=%d, y0=%d, x1=%d, y1=%d\n",
93 cblk->x0, cblk->y0, cblk->x1, cblk->y1);
94 fprintf(fd, " }\n");
95 }
96 */
97 fprintf(fd, " }\n");
98 }
99 fprintf(fd, " }\n");
100 }
101 fprintf(fd, " }\n");
102 }
103 fprintf(fd, " }\n");
104 }
105 fprintf(fd, " }\n");
106 }
107 fprintf(fd, "}\n");
108}
109#endif
110
111/**
112 * Initializes tile coding/decoding
113 */
114static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
115 OPJ_BOOL isEncoder, OPJ_FLOAT32 fraction, OPJ_SIZE_T sizeof_block,
116 opj_event_mgr_t* manager);
117
118/**
119* Allocates memory for a decoding code block.
120*/
121static OPJ_BOOL opj_tcd_code_block_dec_allocate(opj_tcd_cblk_dec_t *
122 p_code_block);
123
124/**
125 * Deallocates the decoding data of the given precinct.
126 */
127static void opj_tcd_code_block_dec_deallocate(opj_tcd_precinct_t * p_precinct);
128
129/**
130 * Allocates memory for an encoding code block (but not data).
131 */
132static OPJ_BOOL opj_tcd_code_block_enc_allocate(opj_tcd_cblk_enc_t *
133 p_code_block);
134
135/**
136 * Allocates data for an encoding code block
137 */
138static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
139 p_code_block);
140
141/**
142 * Deallocates the encoding data of the given precinct.
143 */
144static void opj_tcd_code_block_enc_deallocate(opj_tcd_precinct_t * p_precinct);
145
146
147/**
148Free the memory allocated for encoding
149@param tcd TCD handle
150*/
151static void opj_tcd_free_tile(opj_tcd_t *tcd);
152
153
154static OPJ_BOOL opj_tcd_t2_decode(opj_tcd_t *p_tcd,
155 OPJ_BYTE * p_src_data,
156 OPJ_UINT32 * p_data_read,
157 OPJ_UINT32 p_max_src_size,
158 opj_codestream_index_t *p_cstr_index,
159 opj_event_mgr_t *p_manager);
160
161static OPJ_BOOL opj_tcd_t1_decode(opj_tcd_t *p_tcd,
162 opj_event_mgr_t *p_manager);
163
164static OPJ_BOOL opj_tcd_dwt_decode(opj_tcd_t *p_tcd);
165
166static OPJ_BOOL opj_tcd_mct_decode(opj_tcd_t *p_tcd,
167 opj_event_mgr_t *p_manager);
168
169static OPJ_BOOL opj_tcd_dc_level_shift_decode(opj_tcd_t *p_tcd);
170
171
172static OPJ_BOOL opj_tcd_dc_level_shift_encode(opj_tcd_t *p_tcd);
173
174static OPJ_BOOL opj_tcd_mct_encode(opj_tcd_t *p_tcd);
175
176static OPJ_BOOL opj_tcd_dwt_encode(opj_tcd_t *p_tcd);
177
178static OPJ_BOOL opj_tcd_t1_encode(opj_tcd_t *p_tcd);
179
180static OPJ_BOOL opj_tcd_t2_encode(opj_tcd_t *p_tcd,
181 OPJ_BYTE * p_dest_data,
182 OPJ_UINT32 * p_data_written,
183 OPJ_UINT32 p_max_dest_size,
184 opj_codestream_info_t *p_cstr_info,
185 opj_event_mgr_t *p_manager);
186
187static OPJ_BOOL opj_tcd_rate_allocate_encode(opj_tcd_t *p_tcd,
188 OPJ_BYTE * p_dest_data,
189 OPJ_UINT32 p_max_dest_size,
190 opj_codestream_info_t *p_cstr_info,
191 opj_event_mgr_t *p_manager);
192
193
194static OPJ_BOOL opj_tcd_is_whole_tilecomp_decoding(opj_tcd_t *tcd,
195 OPJ_UINT32 compno);
196
197/* ----------------------------------------------------------------------- */
198
199/**
200Create a new TCD handle
201*/
202opj_tcd_t* opj_tcd_create(OPJ_BOOL p_is_decoder)
203{
204 opj_tcd_t *l_tcd = 00;
205
206 /* create the tcd structure */
207 l_tcd = (opj_tcd_t*) opj_calloc(1, sizeof(opj_tcd_t));
208 if (!l_tcd) {
209 return 00;
210 }
211
212 l_tcd->m_is_decoder = p_is_decoder ? 1 : 0;
213
214 l_tcd->tcd_image = (opj_tcd_image_t*)opj_calloc(1, sizeof(opj_tcd_image_t));
215 if (!l_tcd->tcd_image) {
216 opj_free(l_tcd);
217 return 00;
218 }
219
220 return l_tcd;
221}
222
223
224/* ----------------------------------------------------------------------- */
225
226void opj_tcd_rateallocate_fixed(opj_tcd_t *tcd)
227{
228 OPJ_UINT32 layno;
229
230 for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
231 opj_tcd_makelayer_fixed(tcd, layno, 1);
232 }
233}
234
235
236void opj_tcd_makelayer(opj_tcd_t *tcd,
237 OPJ_UINT32 layno,
238 OPJ_FLOAT64 thresh,
239 OPJ_UINT32 final)
240{
241 OPJ_UINT32 compno, resno, bandno, precno, cblkno;
242 OPJ_UINT32 passno;
243
244 opj_tcd_tile_t *tcd_tile = tcd->tcd_image->tiles;
245
246 tcd_tile->distolayer[layno] = 0; /* fixed_quality */
247
248 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
249 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
250
251 for (resno = 0; resno < tilec->numresolutions; resno++) {
252 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
253
254 for (bandno = 0; bandno < res->numbands; bandno++) {
255 opj_tcd_band_t *band = &res->bands[bandno];
256
257 /* Skip empty bands */
258 if (opj_tcd_is_band_empty(band)) {
259 continue;
260 }
261
262 for (precno = 0; precno < res->pw * res->ph; precno++) {
263 opj_tcd_precinct_t *prc = &band->precincts[precno];
264
265 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
266 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
267 opj_tcd_layer_t *layer = &cblk->layers[layno];
268 OPJ_UINT32 n;
269
270 if (layno == 0) {
271 cblk->numpassesinlayers = 0;
272 }
273
274 n = cblk->numpassesinlayers;
275
276 if (thresh < 0) {
277 /* Special value to indicate to use all passes */
278 n = cblk->totalpasses;
279 } else {
280 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
281 OPJ_UINT32 dr;
282 OPJ_FLOAT64 dd;
283 opj_tcd_pass_t *pass = &cblk->passes[passno];
284
285 if (n == 0) {
286 dr = pass->rate;
287 dd = pass->distortiondec;
288 } else {
289 dr = pass->rate - cblk->passes[n - 1].rate;
290 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
291 }
292
293 if (!dr) {
294 if (dd != 0) {
295 n = passno + 1;
296 }
297 continue;
298 }
299 if (thresh - (dd / dr) <
300 DBL_EPSILON) { /* do not rely on float equality, check with DBL_EPSILON margin */
301 n = passno + 1;
302 }
303 }
304 }
305
306 layer->numpasses = n - cblk->numpassesinlayers;
307
308 if (!layer->numpasses) {
309 layer->disto = 0;
310 continue;
311 }
312
313 if (cblk->numpassesinlayers == 0) {
314 layer->len = cblk->passes[n - 1].rate;
315 layer->data = cblk->data;
316 layer->disto = cblk->passes[n - 1].distortiondec;
317 } else {
318 layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers -
319 1].rate;
320 layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
321 layer->disto = cblk->passes[n - 1].distortiondec -
322 cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
323 }
324
325 tcd_tile->distolayer[layno] += layer->disto; /* fixed_quality */
326
327 if (final) {
328 cblk->numpassesinlayers = n;
329 }
330 }
331 }
332 }
333 }
334 }
335}
336
337void opj_tcd_makelayer_fixed(opj_tcd_t *tcd, OPJ_UINT32 layno,
338 OPJ_UINT32 final)
339{
340 OPJ_UINT32 compno, resno, bandno, precno, cblkno;
341 OPJ_INT32 value; /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
342 OPJ_INT32 matrice[10][10][3];
343 OPJ_UINT32 i, j, k;
344
345 opj_cp_t *cp = tcd->cp;
346 opj_tcd_tile_t *tcd_tile = tcd->tcd_image->tiles;
347 opj_tcp_t *tcd_tcp = tcd->tcp;
348
349 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
350 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
351
352 for (i = 0; i < tcd_tcp->numlayers; i++) {
353 for (j = 0; j < tilec->numresolutions; j++) {
354 for (k = 0; k < 3; k++) {
355 matrice[i][j][k] =
356 (OPJ_INT32)((OPJ_FLOAT32)cp->m_specific_param.m_enc.m_matrice[i *
357 tilec->numresolutions * 3 + j * 3 + k]
358 * (OPJ_FLOAT32)(tcd->image->comps[compno].prec / 16.0));
359 }
360 }
361 }
362
363 for (resno = 0; resno < tilec->numresolutions; resno++) {
364 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
365
366 for (bandno = 0; bandno < res->numbands; bandno++) {
367 opj_tcd_band_t *band = &res->bands[bandno];
368
369 /* Skip empty bands */
370 if (opj_tcd_is_band_empty(band)) {
371 continue;
372 }
373
374 for (precno = 0; precno < res->pw * res->ph; precno++) {
375 opj_tcd_precinct_t *prc = &band->precincts[precno];
376
377 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
378 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
379 opj_tcd_layer_t *layer = &cblk->layers[layno];
380 OPJ_UINT32 n;
381 OPJ_INT32 imsb = (OPJ_INT32)(tcd->image->comps[compno].prec -
382 cblk->numbps); /* number of bit-plan equal to zero */
383
384 /* Correction of the matrix of coefficient to include the IMSB information */
385 if (layno == 0) {
386 value = matrice[layno][resno][bandno];
387 if (imsb >= value) {
388 value = 0;
389 } else {
390 value -= imsb;
391 }
392 } else {
393 value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
394 if (imsb >= matrice[layno - 1][resno][bandno]) {
395 value -= (imsb - matrice[layno - 1][resno][bandno]);
396 if (value < 0) {
397 value = 0;
398 }
399 }
400 }
401
402 if (layno == 0) {
403 cblk->numpassesinlayers = 0;
404 }
405
406 n = cblk->numpassesinlayers;
407 if (cblk->numpassesinlayers == 0) {
408 if (value != 0) {
409 n = 3 * (OPJ_UINT32)value - 2 + cblk->numpassesinlayers;
410 } else {
411 n = cblk->numpassesinlayers;
412 }
413 } else {
414 n = 3 * (OPJ_UINT32)value + cblk->numpassesinlayers;
415 }
416
417 layer->numpasses = n - cblk->numpassesinlayers;
418
419 if (!layer->numpasses) {
420 continue;
421 }
422
423 if (cblk->numpassesinlayers == 0) {
424 layer->len = cblk->passes[n - 1].rate;
425 layer->data = cblk->data;
426 } else {
427 layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers -
428 1].rate;
429 layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
430 }
431
432 if (final) {
433 cblk->numpassesinlayers = n;
434 }
435 }
436 }
437 }
438 }
439 }
440}
441
442OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
443 OPJ_BYTE *dest,
444 OPJ_UINT32 * p_data_written,
445 OPJ_UINT32 len,
446 opj_codestream_info_t *cstr_info,
447 opj_event_mgr_t *p_manager)
448{
449 OPJ_UINT32 compno, resno, bandno, precno, cblkno, layno;
450 OPJ_UINT32 passno;
451 OPJ_FLOAT64 min, max;
452 OPJ_FLOAT64 cumdisto[100]; /* fixed_quality */
453 const OPJ_FLOAT64 K = 1; /* 1.1; fixed_quality */
454 OPJ_FLOAT64 maxSE = 0;
455
456 opj_cp_t *cp = tcd->cp;
457 opj_tcd_tile_t *tcd_tile = tcd->tcd_image->tiles;
458 opj_tcp_t *tcd_tcp = tcd->tcp;
459
460 min = DBL_MAX;
461 max = 0;
462
463 tcd_tile->numpix = 0; /* fixed_quality */
464
465 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
466 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
467 tilec->numpix = 0;
468
469 for (resno = 0; resno < tilec->numresolutions; resno++) {
470 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
471
472 for (bandno = 0; bandno < res->numbands; bandno++) {
473 opj_tcd_band_t *band = &res->bands[bandno];
474
475 /* Skip empty bands */
476 if (opj_tcd_is_band_empty(band)) {
477 continue;
478 }
479
480 for (precno = 0; precno < res->pw * res->ph; precno++) {
481 opj_tcd_precinct_t *prc = &band->precincts[precno];
482
483 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
484 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
485
486 for (passno = 0; passno < cblk->totalpasses; passno++) {
487 opj_tcd_pass_t *pass = &cblk->passes[passno];
488 OPJ_INT32 dr;
489 OPJ_FLOAT64 dd, rdslope;
490
491 if (passno == 0) {
492 dr = (OPJ_INT32)pass->rate;
493 dd = pass->distortiondec;
494 } else {
495 dr = (OPJ_INT32)(pass->rate - cblk->passes[passno - 1].rate);
496 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
497 }
498
499 if (dr == 0) {
500 continue;
501 }
502
503 rdslope = dd / dr;
504 if (rdslope < min) {
505 min = rdslope;
506 }
507
508 if (rdslope > max) {
509 max = rdslope;
510 }
511 } /* passno */
512
513 /* fixed_quality */
514 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
515 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
516 } /* cbklno */
517 } /* precno */
518 } /* bandno */
519 } /* resno */
520
521 maxSE += (((OPJ_FLOAT64)(1 << tcd->image->comps[compno].prec) - 1.0)
522 * ((OPJ_FLOAT64)(1 << tcd->image->comps[compno].prec) - 1.0))
523 * ((OPJ_FLOAT64)(tilec->numpix));
524 } /* compno */
525
526 /* index file */
527 if (cstr_info) {
528 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
529 tile_info->numpix = tcd_tile->numpix;
530 tile_info->distotile = tcd_tile->distotile;
531 tile_info->thresh = (OPJ_FLOAT64 *) opj_malloc(tcd_tcp->numlayers * sizeof(
532 OPJ_FLOAT64));
533 if (!tile_info->thresh) {
534 /* FIXME event manager error callback */
535 return OPJ_FALSE;
536 }
537 }
538
539 for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
540 OPJ_FLOAT64 lo = min;
541 OPJ_FLOAT64 hi = max;
542 OPJ_UINT32 maxlen = tcd_tcp->rates[layno] > 0.0f ? opj_uint_min(((
543 OPJ_UINT32) ceil(tcd_tcp->rates[layno])), len) : len;
544 OPJ_FLOAT64 goodthresh = 0;
545 OPJ_FLOAT64 stable_thresh = 0;
546 OPJ_UINT32 i;
547 OPJ_FLOAT64 distotarget; /* fixed_quality */
548
549 /* fixed_quality */
550 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((OPJ_FLOAT32)10,
551 tcd_tcp->distoratio[layno] / 10));
552
553 /* Don't try to find an optimal threshold but rather take everything not included yet, if
554 -r xx,yy,zz,0 (disto_alloc == 1 and rates == 0)
555 -q xx,yy,zz,0 (fixed_quality == 1 and distoratio == 0)
556 ==> possible to have some lossy layers and the last layer for sure lossless */
557 if (((cp->m_specific_param.m_enc.m_disto_alloc == 1) &&
558 (tcd_tcp->rates[layno] > 0.0f)) ||
559 ((cp->m_specific_param.m_enc.m_fixed_quality == 1) &&
560 (tcd_tcp->distoratio[layno] > 0.0))) {
561 opj_t2_t*t2 = opj_t2_create(tcd->image, cp);
562 OPJ_FLOAT64 thresh = 0;
563
564 if (t2 == 00) {
565 return OPJ_FALSE;
566 }
567
568 for (i = 0; i < 128; ++i) {
569 OPJ_FLOAT64 distoachieved = 0; /* fixed_quality */
570
571 thresh = (lo + hi) / 2;
572
573 opj_tcd_makelayer(tcd, layno, thresh, 0);
574
575 if (cp->m_specific_param.m_enc.m_fixed_quality) { /* fixed_quality */
576 if (OPJ_IS_CINEMA(cp->rsiz)) {
577 if (! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
578 p_data_written, maxlen, cstr_info, tcd->cur_tp_num, tcd->tp_pos, tcd->cur_pino,
579 THRESH_CALC, p_manager)) {
580
581 lo = thresh;
582 continue;
583 } else {
584 distoachieved = layno == 0 ?
585 tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
586
587 if (distoachieved < distotarget) {
588 hi = thresh;
589 stable_thresh = thresh;
590 continue;
591 } else {
592 lo = thresh;
593 }
594 }
595 } else {
596 distoachieved = (layno == 0) ?
597 tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
598
599 if (distoachieved < distotarget) {
600 hi = thresh;
601 stable_thresh = thresh;
602 continue;
603 }
604 lo = thresh;
605 }
606 } else {
607 if (! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
608 p_data_written, maxlen, cstr_info, tcd->cur_tp_num, tcd->tp_pos, tcd->cur_pino,
609 THRESH_CALC, p_manager)) {
610 /* TODO: what to do with l ??? seek / tell ??? */
611 /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
612 lo = thresh;
613 continue;
614 }
615
616 hi = thresh;
617 stable_thresh = thresh;
618 }
619 }
620
621 goodthresh = stable_thresh == 0 ? thresh : stable_thresh;
622
623 opj_t2_destroy(t2);
624 } else {
625 /* Special value to indicate to use all passes */
626 goodthresh = -1;
627 }
628
629 if (cstr_info) { /* Threshold for Marcela Index */
630 cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
631 }
632
633 opj_tcd_makelayer(tcd, layno, goodthresh, 1);
634
635 /* fixed_quality */
636 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] :
637 (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
638 }
639
640 return OPJ_TRUE;
641}
642
643OPJ_BOOL opj_tcd_init(opj_tcd_t *p_tcd,
644 opj_image_t * p_image,
645 opj_cp_t * p_cp,
646 opj_thread_pool_t* p_tp)
647{
648 p_tcd->image = p_image;
649 p_tcd->cp = p_cp;
650
651 p_tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_calloc(1,
652 sizeof(opj_tcd_tile_t));
653 if (! p_tcd->tcd_image->tiles) {
654 return OPJ_FALSE;
655 }
656
657 p_tcd->tcd_image->tiles->comps = (opj_tcd_tilecomp_t *) opj_calloc(
658 p_image->numcomps, sizeof(opj_tcd_tilecomp_t));
659 if (! p_tcd->tcd_image->tiles->comps) {
660 return OPJ_FALSE;
661 }
662
663 p_tcd->tcd_image->tiles->numcomps = p_image->numcomps;
664 p_tcd->tp_pos = p_cp->m_specific_param.m_enc.m_tp_pos;
665 p_tcd->thread_pool = p_tp;
666
667 return OPJ_TRUE;
668}
669
670/**
671Destroy a previously created TCD handle
672*/
673void opj_tcd_destroy(opj_tcd_t *tcd)
674{
675 if (tcd) {
676 opj_tcd_free_tile(tcd);
677
678 if (tcd->tcd_image) {
679 opj_free(tcd->tcd_image);
680 tcd->tcd_image = 00;
681 }
682
683 opj_free(tcd->used_component);
684
685 opj_free(tcd);
686 }
687}
688
689OPJ_BOOL opj_alloc_tile_component_data(opj_tcd_tilecomp_t *l_tilec)
690{
691 if ((l_tilec->data == 00) ||
692 ((l_tilec->data_size_needed > l_tilec->data_size) &&
693 (l_tilec->ownsData == OPJ_FALSE))) {
694 l_tilec->data = (OPJ_INT32 *) opj_image_data_alloc(l_tilec->data_size_needed);
695 if (!l_tilec->data && l_tilec->data_size_needed != 0) {
696 return OPJ_FALSE;
697 }
698 /*fprintf(stderr, "tAllocate data of tilec (int): %d x OPJ_UINT32n",l_data_size);*/
699 l_tilec->data_size = l_tilec->data_size_needed;
700 l_tilec->ownsData = OPJ_TRUE;
701 } else if (l_tilec->data_size_needed > l_tilec->data_size) {
702 /* We don't need to keep old data */
703 opj_image_data_free(l_tilec->data);
704 l_tilec->data = (OPJ_INT32 *) opj_image_data_alloc(l_tilec->data_size_needed);
705 if (! l_tilec->data) {
706 l_tilec->data_size = 0;
707 l_tilec->data_size_needed = 0;
708 l_tilec->ownsData = OPJ_FALSE;
709 return OPJ_FALSE;
710 }
711 /*fprintf(stderr, "tReallocate data of tilec (int): from %d to %d x OPJ_UINT32n", l_tilec->data_size, l_data_size);*/
712 l_tilec->data_size = l_tilec->data_size_needed;
713 l_tilec->ownsData = OPJ_TRUE;
714 }
715 return OPJ_TRUE;
716}
717
718/* ----------------------------------------------------------------------- */
719
720static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
721 OPJ_BOOL isEncoder, OPJ_FLOAT32 fraction, OPJ_SIZE_T sizeof_block,
722 opj_event_mgr_t* manager)
723{
724 OPJ_UINT32(*l_gain_ptr)(OPJ_UINT32) = 00;
725 OPJ_UINT32 compno, resno, bandno, precno, cblkno;
726 opj_tcp_t * l_tcp = 00;
727 opj_cp_t * l_cp = 00;
728 opj_tcd_tile_t * l_tile = 00;
729 opj_tccp_t *l_tccp = 00;
730 opj_tcd_tilecomp_t *l_tilec = 00;
731 opj_image_comp_t * l_image_comp = 00;
732 opj_tcd_resolution_t *l_res = 00;
733 opj_tcd_band_t *l_band = 00;
734 opj_stepsize_t * l_step_size = 00;
735 opj_tcd_precinct_t *l_current_precinct = 00;
736 opj_image_t *l_image = 00;
737 OPJ_UINT32 p, q;
738 OPJ_UINT32 l_level_no;
739 OPJ_UINT32 l_pdx, l_pdy;
740 OPJ_UINT32 l_gain;
741 OPJ_INT32 l_x0b, l_y0b;
742 OPJ_UINT32 l_tx0, l_ty0;
743 /* extent of precincts , top left, bottom right**/
744 OPJ_INT32 l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end, l_br_prc_y_end;
745 /* number of precinct for a resolution */
746 OPJ_UINT32 l_nb_precincts;
747 /* room needed to store l_nb_precinct precinct for a resolution */
748 OPJ_UINT32 l_nb_precinct_size;
749 /* number of code blocks for a precinct*/
750 OPJ_UINT32 l_nb_code_blocks;
751 /* room needed to store l_nb_code_blocks code blocks for a precinct*/
752 OPJ_UINT32 l_nb_code_blocks_size;
753 /* size of data for a tile */
754 OPJ_UINT32 l_data_size;
755
756 l_cp = p_tcd->cp;
757 l_tcp = &(l_cp->tcps[p_tile_no]);
758 l_tile = p_tcd->tcd_image->tiles;
759 l_tccp = l_tcp->tccps;
760 l_tilec = l_tile->comps;
761 l_image = p_tcd->image;
762 l_image_comp = p_tcd->image->comps;
763
764 p = p_tile_no % l_cp->tw; /* tile coordinates */
765 q = p_tile_no / l_cp->tw;
766 /*fprintf(stderr, "Tile coordinate = %d,%d\n", p, q);*/
767
768 /* 4 borders of the tile rescale on the image if necessary */
769 l_tx0 = l_cp->tx0 + p *
770 l_cp->tdx; /* can't be greater than l_image->x1 so won't overflow */
771 l_tile->x0 = (OPJ_INT32)opj_uint_max(l_tx0, l_image->x0);
772 l_tile->x1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, l_cp->tdx),
773 l_image->x1);
774 /* all those OPJ_UINT32 are casted to OPJ_INT32, let's do some sanity check */
775 if ((l_tile->x0 < 0) || (l_tile->x1 <= l_tile->x0)) {
776 opj_event_msg(manager, EVT_ERROR, "Tile X coordinates are not supported\n");
777 return OPJ_FALSE;
778 }
779 l_ty0 = l_cp->ty0 + q *
780 l_cp->tdy; /* can't be greater than l_image->y1 so won't overflow */
781 l_tile->y0 = (OPJ_INT32)opj_uint_max(l_ty0, l_image->y0);
782 l_tile->y1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, l_cp->tdy),
783 l_image->y1);
784 /* all those OPJ_UINT32 are casted to OPJ_INT32, let's do some sanity check */
785 if ((l_tile->y0 < 0) || (l_tile->y1 <= l_tile->y0)) {
786 opj_event_msg(manager, EVT_ERROR, "Tile Y coordinates are not supported\n");
787 return OPJ_FALSE;
788 }
789
790
791 /* testcase 1888.pdf.asan.35.988 */
792 if (l_tccp->numresolutions == 0) {
793 opj_event_msg(manager, EVT_ERROR, "tiles require at least one resolution\n");
794 return OPJ_FALSE;
795 }
796 /*fprintf(stderr, "Tile border = %d,%d,%d,%d\n", l_tile->x0, l_tile->y0,l_tile->x1,l_tile->y1);*/
797
798 /*tile->numcomps = image->numcomps; */
799 for (compno = 0; compno < l_tile->numcomps; ++compno) {
800 /*fprintf(stderr, "compno = %d/%d\n", compno, l_tile->numcomps);*/
801 l_image_comp->resno_decoded = 0;
802 /* border of each l_tile component (global) */
803 l_tilec->x0 = opj_int_ceildiv(l_tile->x0, (OPJ_INT32)l_image_comp->dx);
804 l_tilec->y0 = opj_int_ceildiv(l_tile->y0, (OPJ_INT32)l_image_comp->dy);
805 l_tilec->x1 = opj_int_ceildiv(l_tile->x1, (OPJ_INT32)l_image_comp->dx);
806 l_tilec->y1 = opj_int_ceildiv(l_tile->y1, (OPJ_INT32)l_image_comp->dy);
807 l_tilec->compno = compno;
808 /*fprintf(stderr, "\tTile compo border = %d,%d,%d,%d\n", l_tilec->x0, l_tilec->y0,l_tilec->x1,l_tilec->y1);*/
809
810 l_tilec->numresolutions = l_tccp->numresolutions;
811 if (l_tccp->numresolutions < l_cp->m_specific_param.m_dec.m_reduce) {
812 l_tilec->minimum_num_resolutions = 1;
813 } else {
814 l_tilec->minimum_num_resolutions = l_tccp->numresolutions -
815 l_cp->m_specific_param.m_dec.m_reduce;
816 }
817
818 if (isEncoder) {
819 OPJ_SIZE_T l_tile_data_size;
820
821 /* compute l_data_size with overflow check */
822 OPJ_SIZE_T w = (OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0);
823 OPJ_SIZE_T h = (OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0);
824
825 /* issue 733, l_data_size == 0U, probably something wrong should be checked before getting here */
826 if (h > 0 && w > SIZE_MAX / h) {
827 opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
828 return OPJ_FALSE;
829 }
830 l_tile_data_size = w * h;
831
832 if (SIZE_MAX / sizeof(OPJ_UINT32) < l_tile_data_size) {
833 opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
834 return OPJ_FALSE;
835 }
836 l_tile_data_size = l_tile_data_size * sizeof(OPJ_UINT32);
837
838 l_tilec->data_size_needed = l_tile_data_size;
839 }
840
841 l_data_size = l_tilec->numresolutions * (OPJ_UINT32)sizeof(
842 opj_tcd_resolution_t);
843
844 opj_image_data_free(l_tilec->data_win);
845 l_tilec->data_win = NULL;
846 l_tilec->win_x0 = 0;
847 l_tilec->win_y0 = 0;
848 l_tilec->win_x1 = 0;
849 l_tilec->win_y1 = 0;
850
851 if (l_tilec->resolutions == 00) {
852 l_tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(l_data_size);
853 if (! l_tilec->resolutions) {
854 return OPJ_FALSE;
855 }
856 /*fprintf(stderr, "\tAllocate resolutions of tilec (opj_tcd_resolution_t): %d\n",l_data_size);*/
857 l_tilec->resolutions_size = l_data_size;
858 memset(l_tilec->resolutions, 0, l_data_size);
859 } else if (l_data_size > l_tilec->resolutions_size) {
860 opj_tcd_resolution_t* new_resolutions = (opj_tcd_resolution_t *) opj_realloc(
861 l_tilec->resolutions, l_data_size);
862 if (! new_resolutions) {
863 opj_event_msg(manager, EVT_ERROR, "Not enough memory for tile resolutions\n");
864 opj_free(l_tilec->resolutions);
865 l_tilec->resolutions = NULL;
866 l_tilec->resolutions_size = 0;
867 return OPJ_FALSE;
868 }
869 l_tilec->resolutions = new_resolutions;
870 /*fprintf(stderr, "\tReallocate data of tilec (int): from %d to %d x OPJ_UINT32\n", l_tilec->resolutions_size, l_data_size);*/
871 memset(((OPJ_BYTE*) l_tilec->resolutions) + l_tilec->resolutions_size, 0,
872 l_data_size - l_tilec->resolutions_size);
873 l_tilec->resolutions_size = l_data_size;
874 }
875
876 l_level_no = l_tilec->numresolutions;
877 l_res = l_tilec->resolutions;
878 l_step_size = l_tccp->stepsizes;
879 if (l_tccp->qmfbid == 0) {
880 l_gain_ptr = &opj_dwt_getgain_real;
881 } else {
882 l_gain_ptr = &opj_dwt_getgain;
883 }
884 /*fprintf(stderr, "\tlevel_no=%d\n",l_level_no);*/
885
886 for (resno = 0; resno < l_tilec->numresolutions; ++resno) {
887 /*fprintf(stderr, "\t\tresno = %d/%d\n", resno, l_tilec->numresolutions);*/
888 OPJ_INT32 tlcbgxstart, tlcbgystart /*, brcbgxend, brcbgyend*/;
889 OPJ_UINT32 cbgwidthexpn, cbgheightexpn;
890 OPJ_UINT32 cblkwidthexpn, cblkheightexpn;
891
892 --l_level_no;
893
894 /* border for each resolution level (global) */
895 l_res->x0 = opj_int_ceildivpow2(l_tilec->x0, (OPJ_INT32)l_level_no);
896 l_res->y0 = opj_int_ceildivpow2(l_tilec->y0, (OPJ_INT32)l_level_no);
897 l_res->x1 = opj_int_ceildivpow2(l_tilec->x1, (OPJ_INT32)l_level_no);
898 l_res->y1 = opj_int_ceildivpow2(l_tilec->y1, (OPJ_INT32)l_level_no);
899
900 /*fprintf(stderr, "\t\t\tres_x0= %d, res_y0 =%d, res_x1=%d, res_y1=%d\n", l_res->x0, l_res->y0, l_res->x1, l_res->y1);*/
901 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
902 l_pdx = l_tccp->prcw[resno];
903 l_pdy = l_tccp->prch[resno];
904 /*fprintf(stderr, "\t\t\tpdx=%d, pdy=%d\n", l_pdx, l_pdy);*/
905 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
906 l_tl_prc_x_start = opj_int_floordivpow2(l_res->x0, (OPJ_INT32)l_pdx) << l_pdx;
907 l_tl_prc_y_start = opj_int_floordivpow2(l_res->y0, (OPJ_INT32)l_pdy) << l_pdy;
908 l_br_prc_x_end = opj_int_ceildivpow2(l_res->x1, (OPJ_INT32)l_pdx) << l_pdx;
909 l_br_prc_y_end = opj_int_ceildivpow2(l_res->y1, (OPJ_INT32)l_pdy) << l_pdy;
910 /*fprintf(stderr, "\t\t\tprc_x_start=%d, prc_y_start=%d, br_prc_x_end=%d, br_prc_y_end=%d \n", l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end ,l_br_prc_y_end );*/
911
912 l_res->pw = (l_res->x0 == l_res->x1) ? 0U : (OPJ_UINT32)((
913 l_br_prc_x_end - l_tl_prc_x_start) >> l_pdx);
914 l_res->ph = (l_res->y0 == l_res->y1) ? 0U : (OPJ_UINT32)((
915 l_br_prc_y_end - l_tl_prc_y_start) >> l_pdy);
916 /*fprintf(stderr, "\t\t\tres_pw=%d, res_ph=%d\n", l_res->pw, l_res->ph );*/
917
918 if ((l_res->pw != 0U) && ((((OPJ_UINT32) - 1) / l_res->pw) < l_res->ph)) {
919 opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
920 return OPJ_FALSE;
921 }
922 l_nb_precincts = l_res->pw * l_res->ph;
923
924 if ((((OPJ_UINT32) - 1) / (OPJ_UINT32)sizeof(opj_tcd_precinct_t)) <
925 l_nb_precincts) {
926 opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
927 return OPJ_FALSE;
928 }
929 l_nb_precinct_size = l_nb_precincts * (OPJ_UINT32)sizeof(opj_tcd_precinct_t);
930
931 if (resno == 0) {
932 tlcbgxstart = l_tl_prc_x_start;
933 tlcbgystart = l_tl_prc_y_start;
934 /*brcbgxend = l_br_prc_x_end;*/
935 /* brcbgyend = l_br_prc_y_end;*/
936 cbgwidthexpn = l_pdx;
937 cbgheightexpn = l_pdy;
938 l_res->numbands = 1;
939 } else {
940 tlcbgxstart = opj_int_ceildivpow2(l_tl_prc_x_start, 1);
941 tlcbgystart = opj_int_ceildivpow2(l_tl_prc_y_start, 1);
942 /*brcbgxend = opj_int_ceildivpow2(l_br_prc_x_end, 1);*/
943 /*brcbgyend = opj_int_ceildivpow2(l_br_prc_y_end, 1);*/
944 cbgwidthexpn = l_pdx - 1;
945 cbgheightexpn = l_pdy - 1;
946 l_res->numbands = 3;
947 }
948
949 cblkwidthexpn = opj_uint_min(l_tccp->cblkw, cbgwidthexpn);
950 cblkheightexpn = opj_uint_min(l_tccp->cblkh, cbgheightexpn);
951 l_band = l_res->bands;
952
953 for (bandno = 0; bandno < l_res->numbands; ++bandno, ++l_band, ++l_step_size) {
954 OPJ_INT32 numbps;
955 /*fprintf(stderr, "\t\t\tband_no=%d/%d\n", bandno, l_res->numbands );*/
956
957 if (resno == 0) {
958 l_band->bandno = 0 ;
959 l_band->x0 = opj_int_ceildivpow2(l_tilec->x0, (OPJ_INT32)l_level_no);
960 l_band->y0 = opj_int_ceildivpow2(l_tilec->y0, (OPJ_INT32)l_level_no);
961 l_band->x1 = opj_int_ceildivpow2(l_tilec->x1, (OPJ_INT32)l_level_no);
962 l_band->y1 = opj_int_ceildivpow2(l_tilec->y1, (OPJ_INT32)l_level_no);
963 } else {
964 l_band->bandno = bandno + 1;
965 /* x0b = 1 if bandno = 1 or 3 */
966 l_x0b = l_band->bandno & 1;
967 /* y0b = 1 if bandno = 2 or 3 */
968 l_y0b = (OPJ_INT32)((l_band->bandno) >> 1);
969 /* l_band border (global) */
970 l_band->x0 = opj_int64_ceildivpow2(l_tilec->x0 - ((OPJ_INT64)l_x0b <<
971 l_level_no), (OPJ_INT32)(l_level_no + 1));
972 l_band->y0 = opj_int64_ceildivpow2(l_tilec->y0 - ((OPJ_INT64)l_y0b <<
973 l_level_no), (OPJ_INT32)(l_level_no + 1));
974 l_band->x1 = opj_int64_ceildivpow2(l_tilec->x1 - ((OPJ_INT64)l_x0b <<
975 l_level_no), (OPJ_INT32)(l_level_no + 1));
976 l_band->y1 = opj_int64_ceildivpow2(l_tilec->y1 - ((OPJ_INT64)l_y0b <<
977 l_level_no), (OPJ_INT32)(l_level_no + 1));
978 }
979
980 if (isEncoder) {
981 /* Skip empty bands */
982 if (opj_tcd_is_band_empty(l_band)) {
983 /* Do not zero l_band->precints to avoid leaks */
984 /* but make sure we don't use it later, since */
985 /* it will point to precincts of previous bands... */
986 continue;
987 }
988 }
989
990 /** avoid an if with storing function pointer */
991 l_gain = (*l_gain_ptr)(l_band->bandno);
992 numbps = (OPJ_INT32)(l_image_comp->prec + l_gain);
993 l_band->stepsize = (OPJ_FLOAT32)(((1.0 + l_step_size->mant / 2048.0) * pow(2.0,
994 (OPJ_INT32)(numbps - l_step_size->expn)))) * fraction;
995 /* Mb value of Equation E-2 in "E.1 Inverse quantization
996 * procedure" of the standard */
997 l_band->numbps = l_step_size->expn + (OPJ_INT32)l_tccp->numgbits -
998 1;
999
1000 if (!l_band->precincts && (l_nb_precincts > 0U)) {
1001 l_band->precincts = (opj_tcd_precinct_t *) opj_malloc(/*3 * */
1002 l_nb_precinct_size);
1003 if (! l_band->precincts) {
1004 opj_event_msg(manager, EVT_ERROR,
1005 "Not enough memory to handle band precints\n");
1006 return OPJ_FALSE;
1007 }
1008 /*fprintf(stderr, "\t\t\t\tAllocate precincts of a band (opj_tcd_precinct_t): %d\n",l_nb_precinct_size); */
1009 memset(l_band->precincts, 0, l_nb_precinct_size);
1010 l_band->precincts_data_size = l_nb_precinct_size;
1011 } else if (l_band->precincts_data_size < l_nb_precinct_size) {
1012
1013 opj_tcd_precinct_t * new_precincts = (opj_tcd_precinct_t *) opj_realloc(
1014 l_band->precincts,/*3 * */ l_nb_precinct_size);
1015 if (! new_precincts) {
1016 opj_event_msg(manager, EVT_ERROR,
1017 "Not enough memory to handle band precints\n");
1018 opj_free(l_band->precincts);
1019 l_band->precincts = NULL;
1020 l_band->precincts_data_size = 0;
1021 return OPJ_FALSE;
1022 }
1023 l_band->precincts = new_precincts;
1024 /*fprintf(stderr, "\t\t\t\tReallocate precincts of a band (opj_tcd_precinct_t): from %d to %d\n",l_band->precincts_data_size, l_nb_precinct_size);*/
1025 memset(((OPJ_BYTE *) l_band->precincts) + l_band->precincts_data_size, 0,
1026 l_nb_precinct_size - l_band->precincts_data_size);
1027 l_band->precincts_data_size = l_nb_precinct_size;
1028 }
1029
1030 l_current_precinct = l_band->precincts;
1031 for (precno = 0; precno < l_nb_precincts; ++precno) {
1032 OPJ_INT32 tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
1033 OPJ_INT32 cbgxstart = tlcbgxstart + (OPJ_INT32)(precno % l_res->pw) *
1034 (1 << cbgwidthexpn);
1035 OPJ_INT32 cbgystart = tlcbgystart + (OPJ_INT32)(precno / l_res->pw) *
1036 (1 << cbgheightexpn);
1037 OPJ_INT32 cbgxend = cbgxstart + (1 << cbgwidthexpn);
1038 OPJ_INT32 cbgyend = cbgystart + (1 << cbgheightexpn);
1039 /*fprintf(stderr, "\t precno=%d; bandno=%d, resno=%d; compno=%d\n", precno, bandno , resno, compno);*/
1040 /*fprintf(stderr, "\t tlcbgxstart(=%d) + (precno(=%d) percent res->pw(=%d)) * (1 << cbgwidthexpn(=%d)) \n",tlcbgxstart,precno,l_res->pw,cbgwidthexpn);*/
1041
1042 /* precinct size (global) */
1043 /*fprintf(stderr, "\t cbgxstart=%d, l_band->x0 = %d \n",cbgxstart, l_band->x0);*/
1044
1045 l_current_precinct->x0 = opj_int_max(cbgxstart, l_band->x0);
1046 l_current_precinct->y0 = opj_int_max(cbgystart, l_band->y0);
1047 l_current_precinct->x1 = opj_int_min(cbgxend, l_band->x1);
1048 l_current_precinct->y1 = opj_int_min(cbgyend, l_band->y1);
1049 /*fprintf(stderr, "\t prc_x0=%d; prc_y0=%d, prc_x1=%d; prc_y1=%d\n",l_current_precinct->x0, l_current_precinct->y0 ,l_current_precinct->x1, l_current_precinct->y1);*/
1050
1051 tlcblkxstart = opj_int_floordivpow2(l_current_precinct->x0,
1052 (OPJ_INT32)cblkwidthexpn) << cblkwidthexpn;
1053 /*fprintf(stderr, "\t tlcblkxstart =%d\n",tlcblkxstart );*/
1054 tlcblkystart = opj_int_floordivpow2(l_current_precinct->y0,
1055 (OPJ_INT32)cblkheightexpn) << cblkheightexpn;
1056 /*fprintf(stderr, "\t tlcblkystart =%d\n",tlcblkystart );*/
1057 brcblkxend = opj_int_ceildivpow2(l_current_precinct->x1,
1058 (OPJ_INT32)cblkwidthexpn) << cblkwidthexpn;
1059 /*fprintf(stderr, "\t brcblkxend =%d\n",brcblkxend );*/
1060 brcblkyend = opj_int_ceildivpow2(l_current_precinct->y1,
1061 (OPJ_INT32)cblkheightexpn) << cblkheightexpn;
1062 /*fprintf(stderr, "\t brcblkyend =%d\n",brcblkyend );*/
1063 l_current_precinct->cw = (OPJ_UINT32)((brcblkxend - tlcblkxstart) >>
1064 cblkwidthexpn);
1065 l_current_precinct->ch = (OPJ_UINT32)((brcblkyend - tlcblkystart) >>
1066 cblkheightexpn);
1067
1068 l_nb_code_blocks = l_current_precinct->cw * l_current_precinct->ch;
1069 /*fprintf(stderr, "\t\t\t\t precinct_cw = %d x recinct_ch = %d\n",l_current_precinct->cw, l_current_precinct->ch); */
1070 l_nb_code_blocks_size = l_nb_code_blocks * (OPJ_UINT32)sizeof_block;
1071
1072 if (!l_current_precinct->cblks.blocks && (l_nb_code_blocks > 0U)) {
1073 l_current_precinct->cblks.blocks = opj_malloc(l_nb_code_blocks_size);
1074 if (! l_current_precinct->cblks.blocks) {
1075 return OPJ_FALSE;
1076 }
1077 /*fprintf(stderr, "\t\t\t\tAllocate cblks of a precinct (opj_tcd_cblk_dec_t): %d\n",l_nb_code_blocks_size);*/
1078
1079 memset(l_current_precinct->cblks.blocks, 0, l_nb_code_blocks_size);
1080
1081 l_current_precinct->block_size = l_nb_code_blocks_size;
1082 } else if (l_nb_code_blocks_size > l_current_precinct->block_size) {
1083 void *new_blocks = opj_realloc(l_current_precinct->cblks.blocks,
1084 l_nb_code_blocks_size);
1085 if (! new_blocks) {
1086 opj_free(l_current_precinct->cblks.blocks);
1087 l_current_precinct->cblks.blocks = NULL;
1088 l_current_precinct->block_size = 0;
1089 opj_event_msg(manager, EVT_ERROR,
1090 "Not enough memory for current precinct codeblock element\n");
1091 return OPJ_FALSE;
1092 }
1093 l_current_precinct->cblks.blocks = new_blocks;
1094 /*fprintf(stderr, "\t\t\t\tReallocate cblks of a precinct (opj_tcd_cblk_dec_t): from %d to %d\n",l_current_precinct->block_size, l_nb_code_blocks_size); */
1095
1096 memset(((OPJ_BYTE *) l_current_precinct->cblks.blocks) +
1097 l_current_precinct->block_size
1098 , 0
1099 , l_nb_code_blocks_size - l_current_precinct->block_size);
1100
1101 l_current_precinct->block_size = l_nb_code_blocks_size;
1102 }
1103
1104 if (! l_current_precinct->incltree) {
1105 l_current_precinct->incltree = opj_tgt_create(l_current_precinct->cw,
1106 l_current_precinct->ch, manager);
1107 } else {
1108 l_current_precinct->incltree = opj_tgt_init(l_current_precinct->incltree,
1109 l_current_precinct->cw, l_current_precinct->ch, manager);
1110 }
1111
1112 if (! l_current_precinct->imsbtree) {
1113 l_current_precinct->imsbtree = opj_tgt_create(l_current_precinct->cw,
1114 l_current_precinct->ch, manager);
1115 } else {
1116 l_current_precinct->imsbtree = opj_tgt_init(l_current_precinct->imsbtree,
1117 l_current_precinct->cw, l_current_precinct->ch, manager);
1118 }
1119
1120 for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) {
1121 OPJ_INT32 cblkxstart = tlcblkxstart + (OPJ_INT32)(cblkno %
1122 l_current_precinct->cw) * (1 << cblkwidthexpn);
1123 OPJ_INT32 cblkystart = tlcblkystart + (OPJ_INT32)(cblkno /
1124 l_current_precinct->cw) * (1 << cblkheightexpn);
1125 OPJ_INT32 cblkxend = cblkxstart + (1 << cblkwidthexpn);
1126 OPJ_INT32 cblkyend = cblkystart + (1 << cblkheightexpn);
1127
1128 if (isEncoder) {
1129 opj_tcd_cblk_enc_t* l_code_block = l_current_precinct->cblks.enc + cblkno;
1130
1131 if (! opj_tcd_code_block_enc_allocate(l_code_block)) {
1132 return OPJ_FALSE;
1133 }
1134 /* code-block size (global) */
1135 l_code_block->x0 = opj_int_max(cblkxstart, l_current_precinct->x0);
1136 l_code_block->y0 = opj_int_max(cblkystart, l_current_precinct->y0);
1137 l_code_block->x1 = opj_int_min(cblkxend, l_current_precinct->x1);
1138 l_code_block->y1 = opj_int_min(cblkyend, l_current_precinct->y1);
1139
1140 if (! opj_tcd_code_block_enc_allocate_data(l_code_block)) {
1141 return OPJ_FALSE;
1142 }
1143 } else {
1144 opj_tcd_cblk_dec_t* l_code_block = l_current_precinct->cblks.dec + cblkno;
1145
1146 if (! opj_tcd_code_block_dec_allocate(l_code_block)) {
1147 return OPJ_FALSE;
1148 }
1149 /* code-block size (global) */
1150 l_code_block->x0 = opj_int_max(cblkxstart, l_current_precinct->x0);
1151 l_code_block->y0 = opj_int_max(cblkystart, l_current_precinct->y0);
1152 l_code_block->x1 = opj_int_min(cblkxend, l_current_precinct->x1);
1153 l_code_block->y1 = opj_int_min(cblkyend, l_current_precinct->y1);
1154 }
1155 }
1156 ++l_current_precinct;
1157 } /* precno */
1158 } /* bandno */
1159 ++l_res;
1160 } /* resno */
1161 ++l_tccp;
1162 ++l_tilec;
1163 ++l_image_comp;
1164 } /* compno */
1165 return OPJ_TRUE;
1166}
1167
1168OPJ_BOOL opj_tcd_init_encode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
1169 opj_event_mgr_t* p_manager)
1170{
1171 return opj_tcd_init_tile(p_tcd, p_tile_no, OPJ_TRUE, 1.0F,
1172 sizeof(opj_tcd_cblk_enc_t), p_manager);
1173}
1174
1175OPJ_BOOL opj_tcd_init_decode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
1176 opj_event_mgr_t* p_manager)
1177{
1178 return opj_tcd_init_tile(p_tcd, p_tile_no, OPJ_FALSE, 0.5F,
1179 sizeof(opj_tcd_cblk_dec_t), p_manager);
1180}
1181
1182/**
1183 * Allocates memory for an encoding code block (but not data memory).
1184 */
1185static OPJ_BOOL opj_tcd_code_block_enc_allocate(opj_tcd_cblk_enc_t *
1186 p_code_block)
1187{
1188 if (! p_code_block->layers) {
1189 /* no memset since data */
1190 p_code_block->layers = (opj_tcd_layer_t*) opj_calloc(100,
1191 sizeof(opj_tcd_layer_t));
1192 if (! p_code_block->layers) {
1193 return OPJ_FALSE;
1194 }
1195 }
1196 if (! p_code_block->passes) {
1197 p_code_block->passes = (opj_tcd_pass_t*) opj_calloc(100,
1198 sizeof(opj_tcd_pass_t));
1199 if (! p_code_block->passes) {
1200 return OPJ_FALSE;
1201 }
1202 }
1203 return OPJ_TRUE;
1204}
1205
1206/**
1207 * Allocates data memory for an encoding code block.
1208 */
1209static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
1210 p_code_block)
1211{
1212 OPJ_UINT32 l_data_size;
1213
1214 /* +1 is needed for https://github.com/uclouvain/openjpeg/issues/835 */
1215 /* and actually +2 required for https://github.com/uclouvain/openjpeg/issues/982 */
1216 /* TODO: is there a theoretical upper-bound for the compressed code */
1217 /* block size ? */
1218 l_data_size = 2 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
1219 (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
1220
1221 if (l_data_size > p_code_block->data_size) {
1222 if (p_code_block->data) {
1223 /* We refer to data - 1 since below we incremented it */
1224 opj_free(p_code_block->data - 1);
1225 }
1226 p_code_block->data = (OPJ_BYTE*) opj_malloc(l_data_size + 1);
1227 if (! p_code_block->data) {
1228 p_code_block->data_size = 0U;
1229 return OPJ_FALSE;
1230 }
1231 p_code_block->data_size = l_data_size;
1232
1233 /* We reserve the initial byte as a fake byte to a non-FF value */
1234 /* and increment the data pointer, so that opj_mqc_init_enc() */
1235 /* can do bp = data - 1, and opj_mqc_byteout() can safely dereference */
1236 /* it. */
1237 p_code_block->data[0] = 0;
1238 p_code_block->data += 1; /*why +1 ?*/
1239 }
1240 return OPJ_TRUE;
1241}
1242
1243
1244void opj_tcd_reinit_segment(opj_tcd_seg_t* seg)
1245{
1246 memset(seg, 0, sizeof(opj_tcd_seg_t));
1247}
1248
1249/**
1250 * Allocates memory for a decoding code block.
1251 */
1252static OPJ_BOOL opj_tcd_code_block_dec_allocate(opj_tcd_cblk_dec_t *
1253 p_code_block)
1254{
1255 if (! p_code_block->segs) {
1256
1257 p_code_block->segs = (opj_tcd_seg_t *) opj_calloc(OPJ_J2K_DEFAULT_NB_SEGS,
1258 sizeof(opj_tcd_seg_t));
1259 if (! p_code_block->segs) {
1260 return OPJ_FALSE;
1261 }
1262 /*fprintf(stderr, "Allocate %d elements of code_block->data\n", OPJ_J2K_DEFAULT_NB_SEGS * sizeof(opj_tcd_seg_t));*/
1263
1264 p_code_block->m_current_max_segs = OPJ_J2K_DEFAULT_NB_SEGS;
1265 /*fprintf(stderr, "m_current_max_segs of code_block->data = %d\n", p_code_block->m_current_max_segs);*/
1266 } else {
1267 /* sanitize */
1268 opj_tcd_seg_t * l_segs = p_code_block->segs;
1269 OPJ_UINT32 l_current_max_segs = p_code_block->m_current_max_segs;
1270 opj_tcd_seg_data_chunk_t* l_chunks = p_code_block->chunks;
1271 OPJ_UINT32 l_numchunksalloc = p_code_block->numchunksalloc;
1272 OPJ_UINT32 i;
1273
1274 opj_aligned_free(p_code_block->decoded_data);
1275 p_code_block->decoded_data = 00;
1276
1277 memset(p_code_block, 0, sizeof(opj_tcd_cblk_dec_t));
1278 p_code_block->segs = l_segs;
1279 p_code_block->m_current_max_segs = l_current_max_segs;
1280 for (i = 0; i < l_current_max_segs; ++i) {
1281 opj_tcd_reinit_segment(&l_segs[i]);
1282 }
1283 p_code_block->chunks = l_chunks;
1284 p_code_block->numchunksalloc = l_numchunksalloc;
1285 }
1286
1287 return OPJ_TRUE;
1288}
1289
1290OPJ_UINT32 opj_tcd_get_decoded_tile_size(opj_tcd_t *p_tcd,
1291 OPJ_BOOL take_into_account_partial_decoding)
1292{
1293 OPJ_UINT32 i;
1294 OPJ_UINT32 l_data_size = 0;
1295 opj_image_comp_t * l_img_comp = 00;
1296 opj_tcd_tilecomp_t * l_tile_comp = 00;
1297 opj_tcd_resolution_t * l_res = 00;
1298 OPJ_UINT32 l_size_comp, l_remaining;
1299 OPJ_UINT32 l_temp;
1300
1301 l_tile_comp = p_tcd->tcd_image->tiles->comps;
1302 l_img_comp = p_tcd->image->comps;
1303
1304 for (i = 0; i < p_tcd->image->numcomps; ++i) {
1305 OPJ_UINT32 w, h;
1306 l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
1307 l_remaining = l_img_comp->prec & 7; /* (%8) */
1308
1309 if (l_remaining) {
1310 ++l_size_comp;
1311 }
1312
1313 if (l_size_comp == 3) {
1314 l_size_comp = 4;
1315 }
1316
1317 l_res = l_tile_comp->resolutions + l_tile_comp->minimum_num_resolutions - 1;
1318 if (take_into_account_partial_decoding && !p_tcd->whole_tile_decoding) {
1319 w = l_res->win_x1 - l_res->win_x0;
1320 h = l_res->win_y1 - l_res->win_y0;
1321 } else {
1322 w = (OPJ_UINT32)(l_res->x1 - l_res->x0);
1323 h = (OPJ_UINT32)(l_res->y1 - l_res->y0);
1324 }
1325 if (h > 0 && UINT_MAX / w < h) {
1326 return UINT_MAX;
1327 }
1328 l_temp = w * h;
1329 if (l_size_comp && UINT_MAX / l_size_comp < l_temp) {
1330 return UINT_MAX;
1331 }
1332 l_temp *= l_size_comp;
1333
1334 if (l_temp > UINT_MAX - l_data_size) {
1335 return UINT_MAX;
1336 }
1337 l_data_size += l_temp;
1338 ++l_img_comp;
1339 ++l_tile_comp;
1340 }
1341
1342 return l_data_size;
1343}
1344
1345OPJ_BOOL opj_tcd_encode_tile(opj_tcd_t *p_tcd,
1346 OPJ_UINT32 p_tile_no,
1347 OPJ_BYTE *p_dest,
1348 OPJ_UINT32 * p_data_written,
1349 OPJ_UINT32 p_max_length,
1350 opj_codestream_info_t *p_cstr_info,
1351 opj_event_mgr_t *p_manager)
1352{
1353
1354 if (p_tcd->cur_tp_num == 0) {
1355
1356 p_tcd->tcd_tileno = p_tile_no;
1357 p_tcd->tcp = &p_tcd->cp->tcps[p_tile_no];
1358
1359 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1360 if (p_cstr_info) {
1361 OPJ_UINT32 l_num_packs = 0;
1362 OPJ_UINT32 i;
1363 opj_tcd_tilecomp_t *l_tilec_idx =
1364 &p_tcd->tcd_image->tiles->comps[0]; /* based on component 0 */
1365 opj_tccp_t *l_tccp = p_tcd->tcp->tccps; /* based on component 0 */
1366
1367 for (i = 0; i < l_tilec_idx->numresolutions; i++) {
1368 opj_tcd_resolution_t *l_res_idx = &l_tilec_idx->resolutions[i];
1369
1370 p_cstr_info->tile[p_tile_no].pw[i] = (int)l_res_idx->pw;
1371 p_cstr_info->tile[p_tile_no].ph[i] = (int)l_res_idx->ph;
1372
1373 l_num_packs += l_res_idx->pw * l_res_idx->ph;
1374 p_cstr_info->tile[p_tile_no].pdx[i] = (int)l_tccp->prcw[i];
1375 p_cstr_info->tile[p_tile_no].pdy[i] = (int)l_tccp->prch[i];
1376 }
1377 p_cstr_info->tile[p_tile_no].packet = (opj_packet_info_t*) opj_calloc((
1378 OPJ_SIZE_T)p_cstr_info->numcomps * (OPJ_SIZE_T)p_cstr_info->numlayers *
1379 l_num_packs,
1380 sizeof(opj_packet_info_t));
1381 if (!p_cstr_info->tile[p_tile_no].packet) {
1382 /* FIXME event manager error callback */
1383 return OPJ_FALSE;
1384 }
1385 }
1386 /* << INDEX */
1387
1388 /* FIXME _ProfStart(PGROUP_DC_SHIFT); */
1389 /*---------------TILE-------------------*/
1390 if (! opj_tcd_dc_level_shift_encode(p_tcd)) {
1391 return OPJ_FALSE;
1392 }
1393 /* FIXME _ProfStop(PGROUP_DC_SHIFT); */
1394
1395 /* FIXME _ProfStart(PGROUP_MCT); */
1396 if (! opj_tcd_mct_encode(p_tcd)) {
1397 return OPJ_FALSE;
1398 }
1399 /* FIXME _ProfStop(PGROUP_MCT); */
1400
1401 /* FIXME _ProfStart(PGROUP_DWT); */
1402 if (! opj_tcd_dwt_encode(p_tcd)) {
1403 return OPJ_FALSE;
1404 }
1405 /* FIXME _ProfStop(PGROUP_DWT); */
1406
1407 /* FIXME _ProfStart(PGROUP_T1); */
1408 if (! opj_tcd_t1_encode(p_tcd)) {
1409 return OPJ_FALSE;
1410 }
1411 /* FIXME _ProfStop(PGROUP_T1); */
1412
1413 /* FIXME _ProfStart(PGROUP_RATE); */
1414 if (! opj_tcd_rate_allocate_encode(p_tcd, p_dest, p_max_length,
1415 p_cstr_info, p_manager)) {
1416 return OPJ_FALSE;
1417 }
1418 /* FIXME _ProfStop(PGROUP_RATE); */
1419
1420 }
1421 /*--------------TIER2------------------*/
1422
1423 /* INDEX */
1424 if (p_cstr_info) {
1425 p_cstr_info->index_write = 1;
1426 }
1427 /* FIXME _ProfStart(PGROUP_T2); */
1428
1429 if (! opj_tcd_t2_encode(p_tcd, p_dest, p_data_written, p_max_length,
1430 p_cstr_info, p_manager)) {
1431 return OPJ_FALSE;
1432 }
1433 /* FIXME _ProfStop(PGROUP_T2); */
1434
1435 /*---------------CLEAN-------------------*/
1436
1437 return OPJ_TRUE;
1438}
1439
1440OPJ_BOOL opj_tcd_decode_tile(opj_tcd_t *p_tcd,
1441 OPJ_UINT32 win_x0,
1442 OPJ_UINT32 win_y0,
1443 OPJ_UINT32 win_x1,
1444 OPJ_UINT32 win_y1,
1445 OPJ_UINT32 numcomps_to_decode,
1446 const OPJ_UINT32 *comps_indices,
1447 OPJ_BYTE *p_src,
1448 OPJ_UINT32 p_max_length,
1449 OPJ_UINT32 p_tile_no,
1450 opj_codestream_index_t *p_cstr_index,
1451 opj_event_mgr_t *p_manager
1452 )
1453{
1454 OPJ_UINT32 l_data_read;
1455 OPJ_UINT32 compno;
1456
1457 p_tcd->tcd_tileno = p_tile_no;
1458 p_tcd->tcp = &(p_tcd->cp->tcps[p_tile_no]);
1459 p_tcd->win_x0 = win_x0;
1460 p_tcd->win_y0 = win_y0;
1461 p_tcd->win_x1 = win_x1;
1462 p_tcd->win_y1 = win_y1;
1463 p_tcd->whole_tile_decoding = OPJ_TRUE;
1464
1465 opj_free(p_tcd->used_component);
1466 p_tcd->used_component = NULL;
1467
1468 if (numcomps_to_decode) {
1469 OPJ_BOOL* used_component = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
1470 p_tcd->image->numcomps);
1471 if (used_component == NULL) {
1472 return OPJ_FALSE;
1473 }
1474 for (compno = 0; compno < numcomps_to_decode; compno++) {
1475 used_component[ comps_indices[compno] ] = OPJ_TRUE;
1476 }
1477
1478 p_tcd->used_component = used_component;
1479 }
1480
1481 for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
1482 if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
1483 continue;
1484 }
1485
1486 if (!opj_tcd_is_whole_tilecomp_decoding(p_tcd, compno)) {
1487 p_tcd->whole_tile_decoding = OPJ_FALSE;
1488 break;
1489 }
1490 }
1491
1492 if (p_tcd->whole_tile_decoding) {
1493 for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
1494 opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
1495 opj_tcd_resolution_t *l_res = &
1496 (tilec->resolutions[tilec->minimum_num_resolutions - 1]);
1497 OPJ_SIZE_T l_data_size;
1498
1499 /* compute l_data_size with overflow check */
1500 OPJ_SIZE_T res_w = (OPJ_SIZE_T)(l_res->x1 - l_res->x0);
1501 OPJ_SIZE_T res_h = (OPJ_SIZE_T)(l_res->y1 - l_res->y0);
1502
1503 if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
1504 continue;
1505 }
1506
1507 /* issue 733, l_data_size == 0U, probably something wrong should be checked before getting here */
1508 if (res_h > 0 && res_w > SIZE_MAX / res_h) {
1509 opj_event_msg(p_manager, EVT_ERROR,
1510 "Size of tile data exceeds system limits\n");
1511 return OPJ_FALSE;
1512 }
1513 l_data_size = res_w * res_h;
1514
1515 if (SIZE_MAX / sizeof(OPJ_UINT32) < l_data_size) {
1516 opj_event_msg(p_manager, EVT_ERROR,
1517 "Size of tile data exceeds system limits\n");
1518 return OPJ_FALSE;
1519 }
1520 l_data_size *= sizeof(OPJ_UINT32);
1521
1522 tilec->data_size_needed = l_data_size;
1523
1524 if (!opj_alloc_tile_component_data(tilec)) {
1525 opj_event_msg(p_manager, EVT_ERROR,
1526 "Size of tile data exceeds system limits\n");
1527 return OPJ_FALSE;
1528 }
1529 }
1530 } else {
1531 /* Compute restricted tile-component and tile-resolution coordinates */
1532 /* of the window of interest, but defer the memory allocation until */
1533 /* we know the resno_decoded */
1534 for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
1535 OPJ_UINT32 resno;
1536 opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
1537 opj_image_comp_t* image_comp = &(p_tcd->image->comps[compno]);
1538
1539 if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
1540 continue;
1541 }
1542
1543 /* Compute the intersection of the area of interest, expressed in tile coordinates */
1544 /* with the tile coordinates */
1545 tilec->win_x0 = opj_uint_max(
1546 (OPJ_UINT32)tilec->x0,
1547 opj_uint_ceildiv(p_tcd->win_x0, image_comp->dx));
1548 tilec->win_y0 = opj_uint_max(
1549 (OPJ_UINT32)tilec->y0,
1550 opj_uint_ceildiv(p_tcd->win_y0, image_comp->dy));
1551 tilec->win_x1 = opj_uint_min(
1552 (OPJ_UINT32)tilec->x1,
1553 opj_uint_ceildiv(p_tcd->win_x1, image_comp->dx));
1554 tilec->win_y1 = opj_uint_min(
1555 (OPJ_UINT32)tilec->y1,
1556 opj_uint_ceildiv(p_tcd->win_y1, image_comp->dy));
1557 if (tilec->win_x1 < tilec->win_x0 ||
1558 tilec->win_y1 < tilec->win_y0) {
1559 /* We should not normally go there. The circumstance is when */
1560 /* the tile coordinates do not intersect the area of interest */
1561 /* Upper level logic should not even try to decode that tile */
1562 opj_event_msg(p_manager, EVT_ERROR,
1563 "Invalid tilec->win_xxx values\n");
1564 return OPJ_FALSE;
1565 }
1566
1567 for (resno = 0; resno < tilec->numresolutions; ++resno) {
1568 opj_tcd_resolution_t *res = tilec->resolutions + resno;
1569 res->win_x0 = opj_uint_ceildivpow2(tilec->win_x0,
1570 tilec->numresolutions - 1 - resno);
1571 res->win_y0 = opj_uint_ceildivpow2(tilec->win_y0,
1572 tilec->numresolutions - 1 - resno);
1573 res->win_x1 = opj_uint_ceildivpow2(tilec->win_x1,
1574 tilec->numresolutions - 1 - resno);
1575 res->win_y1 = opj_uint_ceildivpow2(tilec->win_y1,
1576 tilec->numresolutions - 1 - resno);
1577 }
1578 }
1579 }
1580
1581#ifdef TODO_MSD /* FIXME */
1582 /* INDEX >> */
1583 if (p_cstr_info) {
1584 OPJ_UINT32 resno, compno, numprec = 0;
1585 for (compno = 0; compno < (OPJ_UINT32) p_cstr_info->numcomps; compno++) {
1586 opj_tcp_t *tcp = &p_tcd->cp->tcps[0];
1587 opj_tccp_t *tccp = &tcp->tccps[compno];
1588 opj_tcd_tilecomp_t *tilec_idx = &p_tcd->tcd_image->tiles->comps[compno];
1589 for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
1590 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
1591 p_cstr_info->tile[p_tile_no].pw[resno] = res_idx->pw;
1592 p_cstr_info->tile[p_tile_no].ph[resno] = res_idx->ph;
1593 numprec += res_idx->pw * res_idx->ph;
1594 p_cstr_info->tile[p_tile_no].pdx[resno] = tccp->prcw[resno];
1595 p_cstr_info->tile[p_tile_no].pdy[resno] = tccp->prch[resno];
1596 }
1597 }
1598 p_cstr_info->tile[p_tile_no].packet = (opj_packet_info_t *) opj_malloc(
1599 p_cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
1600 p_cstr_info->packno = 0;
1601 }
1602 /* << INDEX */
1603#endif
1604
1605 /*--------------TIER2------------------*/
1606 /* FIXME _ProfStart(PGROUP_T2); */
1607 l_data_read = 0;
1608 if (! opj_tcd_t2_decode(p_tcd, p_src, &l_data_read, p_max_length, p_cstr_index,
1609 p_manager)) {
1610 return OPJ_FALSE;
1611 }
1612 /* FIXME _ProfStop(PGROUP_T2); */
1613
1614 /*------------------TIER1-----------------*/
1615
1616 /* FIXME _ProfStart(PGROUP_T1); */
1617 if (! opj_tcd_t1_decode(p_tcd, p_manager)) {
1618 return OPJ_FALSE;
1619 }
1620 /* FIXME _ProfStop(PGROUP_T1); */
1621
1622
1623 /* For subtile decoding, now we know the resno_decoded, we can allocate */
1624 /* the tile data buffer */
1625 if (!p_tcd->whole_tile_decoding) {
1626 for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
1627 opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
1628 opj_image_comp_t* image_comp = &(p_tcd->image->comps[compno]);
1629 opj_tcd_resolution_t *res = tilec->resolutions + image_comp->resno_decoded;
1630 OPJ_SIZE_T w = res->win_x1 - res->win_x0;
1631 OPJ_SIZE_T h = res->win_y1 - res->win_y0;
1632 OPJ_SIZE_T l_data_size;
1633
1634 opj_image_data_free(tilec->data_win);
1635 tilec->data_win = NULL;
1636
1637 if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
1638 continue;
1639 }
1640
1641 if (w > 0 && h > 0) {
1642 if (w > SIZE_MAX / h) {
1643 opj_event_msg(p_manager, EVT_ERROR,
1644 "Size of tile data exceeds system limits\n");
1645 return OPJ_FALSE;
1646 }
1647 l_data_size = w * h;
1648 if (l_data_size > SIZE_MAX / sizeof(OPJ_INT32)) {
1649 opj_event_msg(p_manager, EVT_ERROR,
1650 "Size of tile data exceeds system limits\n");
1651 return OPJ_FALSE;
1652 }
1653 l_data_size *= sizeof(OPJ_INT32);
1654
1655 tilec->data_win = (OPJ_INT32*) opj_image_data_alloc(l_data_size);
1656 if (tilec->data_win == NULL) {
1657 opj_event_msg(p_manager, EVT_ERROR,
1658 "Size of tile data exceeds system limits\n");
1659 return OPJ_FALSE;
1660 }
1661 }
1662 }
1663 }
1664
1665 /*----------------DWT---------------------*/
1666
1667 /* FIXME _ProfStart(PGROUP_DWT); */
1668 if
1669 (! opj_tcd_dwt_decode(p_tcd)) {
1670 return OPJ_FALSE;
1671 }
1672 /* FIXME _ProfStop(PGROUP_DWT); */
1673
1674 /*----------------MCT-------------------*/
1675 /* FIXME _ProfStart(PGROUP_MCT); */
1676 if
1677 (! opj_tcd_mct_decode(p_tcd, p_manager)) {
1678 return OPJ_FALSE;
1679 }
1680 /* FIXME _ProfStop(PGROUP_MCT); */
1681
1682 /* FIXME _ProfStart(PGROUP_DC_SHIFT); */
1683 if
1684 (! opj_tcd_dc_level_shift_decode(p_tcd)) {
1685 return OPJ_FALSE;
1686 }
1687 /* FIXME _ProfStop(PGROUP_DC_SHIFT); */
1688
1689
1690 /*---------------TILE-------------------*/
1691 return OPJ_TRUE;
1692}
1693
1694OPJ_BOOL opj_tcd_update_tile_data(opj_tcd_t *p_tcd,
1695 OPJ_BYTE * p_dest,
1696 OPJ_UINT32 p_dest_length
1697 )
1698{
1699 OPJ_UINT32 i, j, k, l_data_size = 0;
1700 opj_image_comp_t * l_img_comp = 00;
1701 opj_tcd_tilecomp_t * l_tilec = 00;
1702 opj_tcd_resolution_t * l_res;
1703 OPJ_UINT32 l_size_comp, l_remaining;
1704 OPJ_UINT32 l_stride, l_width, l_height;
1705
1706 l_data_size = opj_tcd_get_decoded_tile_size(p_tcd, OPJ_TRUE);
1707 if (l_data_size == UINT_MAX || l_data_size > p_dest_length) {
1708 return OPJ_FALSE;
1709 }
1710
1711 l_tilec = p_tcd->tcd_image->tiles->comps;
1712 l_img_comp = p_tcd->image->comps;
1713
1714 for (i = 0; i < p_tcd->image->numcomps; ++i) {
1715 const OPJ_INT32* l_src_data;
1716 l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
1717 l_remaining = l_img_comp->prec & 7; /* (%8) */
1718 l_res = l_tilec->resolutions + l_img_comp->resno_decoded;
1719 if (p_tcd->whole_tile_decoding) {
1720 l_width = (OPJ_UINT32)(l_res->x1 - l_res->x0);
1721 l_height = (OPJ_UINT32)(l_res->y1 - l_res->y0);
1722 l_stride = (OPJ_UINT32)(l_tilec->resolutions[l_tilec->minimum_num_resolutions -
1723 1].x1 -
1724 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x0) - l_width;
1725 l_src_data = l_tilec->data;
1726 } else {
1727 l_width = l_res->win_x1 - l_res->win_x0;
1728 l_height = l_res->win_y1 - l_res->win_y0;
1729 l_stride = 0;
1730 l_src_data = l_tilec->data_win;
1731 }
1732
1733 if (l_remaining) {
1734 ++l_size_comp;
1735 }
1736
1737 if (l_size_comp == 3) {
1738 l_size_comp = 4;
1739 }
1740
1741 switch (l_size_comp) {
1742 case 1: {
1743 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR *) p_dest;
1744 const OPJ_INT32 * l_src_ptr = l_src_data;
1745
1746 if (l_img_comp->sgnd) {
1747 for (j = 0; j < l_height; ++j) {
1748 for (k = 0; k < l_width; ++k) {
1749 *(l_dest_ptr++) = (OPJ_CHAR)(*(l_src_ptr++));
1750 }
1751 l_src_ptr += l_stride;
1752 }
1753 } else {
1754 for (j = 0; j < l_height; ++j) {
1755 for (k = 0; k < l_width; ++k) {
1756 *(l_dest_ptr++) = (OPJ_CHAR)((*(l_src_ptr++)) & 0xff);
1757 }
1758 l_src_ptr += l_stride;
1759 }
1760 }
1761
1762 p_dest = (OPJ_BYTE *)l_dest_ptr;
1763 }
1764 break;
1765 case 2: {
1766 const OPJ_INT32 * l_src_ptr = l_src_data;
1767 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_dest;
1768
1769 if (l_img_comp->sgnd) {
1770 for (j = 0; j < l_height; ++j) {
1771 for (k = 0; k < l_width; ++k) {
1772 OPJ_INT16 val = (OPJ_INT16)(*(l_src_ptr++));
1773 memcpy(l_dest_ptr, &val, sizeof(val));
1774 l_dest_ptr ++;
1775 }
1776 l_src_ptr += l_stride;
1777 }
1778 } else {
1779 for (j = 0; j < l_height; ++j) {
1780 for (k = 0; k < l_width; ++k) {
1781 OPJ_INT16 val = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
1782 memcpy(l_dest_ptr, &val, sizeof(val));
1783 l_dest_ptr ++;
1784 }
1785 l_src_ptr += l_stride;
1786 }
1787 }
1788
1789 p_dest = (OPJ_BYTE*) l_dest_ptr;
1790 }
1791 break;
1792 case 4: {
1793 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_dest;
1794 const OPJ_INT32 * l_src_ptr = l_src_data;
1795
1796 for (j = 0; j < l_height; ++j) {
1797 memcpy(l_dest_ptr, l_src_ptr, l_width * sizeof(OPJ_INT32));
1798 l_dest_ptr += l_width;
1799 l_src_ptr += l_width + l_stride;
1800 }
1801
1802 p_dest = (OPJ_BYTE*) l_dest_ptr;
1803 }
1804 break;
1805 }
1806
1807 ++l_img_comp;
1808 ++l_tilec;
1809 }
1810
1811 return OPJ_TRUE;
1812}
1813
1814
1815
1816
1817static void opj_tcd_free_tile(opj_tcd_t *p_tcd)
1818{
1819 OPJ_UINT32 compno, resno, bandno, precno;
1820 opj_tcd_tile_t *l_tile = 00;
1821 opj_tcd_tilecomp_t *l_tile_comp = 00;
1822 opj_tcd_resolution_t *l_res = 00;
1823 opj_tcd_band_t *l_band = 00;
1824 opj_tcd_precinct_t *l_precinct = 00;
1825 OPJ_UINT32 l_nb_resolutions, l_nb_precincts;
1826 void (* l_tcd_code_block_deallocate)(opj_tcd_precinct_t *) = 00;
1827
1828 if (! p_tcd) {
1829 return;
1830 }
1831
1832 if (! p_tcd->tcd_image) {
1833 return;
1834 }
1835
1836 if (p_tcd->m_is_decoder) {
1837 l_tcd_code_block_deallocate = opj_tcd_code_block_dec_deallocate;
1838 } else {
1839 l_tcd_code_block_deallocate = opj_tcd_code_block_enc_deallocate;
1840 }
1841
1842 l_tile = p_tcd->tcd_image->tiles;
1843 if (! l_tile) {
1844 return;
1845 }
1846
1847 l_tile_comp = l_tile->comps;
1848
1849 for (compno = 0; compno < l_tile->numcomps; ++compno) {
1850 l_res = l_tile_comp->resolutions;
1851 if (l_res) {
1852
1853 l_nb_resolutions = l_tile_comp->resolutions_size / (OPJ_UINT32)sizeof(
1854 opj_tcd_resolution_t);
1855 for (resno = 0; resno < l_nb_resolutions; ++resno) {
1856 l_band = l_res->bands;
1857 for (bandno = 0; bandno < 3; ++bandno) {
1858 l_precinct = l_band->precincts;
1859 if (l_precinct) {
1860
1861 l_nb_precincts = l_band->precincts_data_size / (OPJ_UINT32)sizeof(
1862 opj_tcd_precinct_t);
1863 for (precno = 0; precno < l_nb_precincts; ++precno) {
1864 opj_tgt_destroy(l_precinct->incltree);
1865 l_precinct->incltree = 00;
1866 opj_tgt_destroy(l_precinct->imsbtree);
1867 l_precinct->imsbtree = 00;
1868 (*l_tcd_code_block_deallocate)(l_precinct);
1869 ++l_precinct;
1870 }
1871
1872 opj_free(l_band->precincts);
1873 l_band->precincts = 00;
1874 }
1875 ++l_band;
1876 } /* for (resno */
1877 ++l_res;
1878 }
1879
1880 opj_free(l_tile_comp->resolutions);
1881 l_tile_comp->resolutions = 00;
1882 }
1883
1884 if (l_tile_comp->ownsData && l_tile_comp->data) {
1885 opj_image_data_free(l_tile_comp->data);
1886 l_tile_comp->data = 00;
1887 l_tile_comp->ownsData = 0;
1888 l_tile_comp->data_size = 0;
1889 l_tile_comp->data_size_needed = 0;
1890 }
1891
1892 opj_image_data_free(l_tile_comp->data_win);
1893
1894 ++l_tile_comp;
1895 }
1896
1897 opj_free(l_tile->comps);
1898 l_tile->comps = 00;
1899 opj_free(p_tcd->tcd_image->tiles);
1900 p_tcd->tcd_image->tiles = 00;
1901}
1902
1903
1904static OPJ_BOOL opj_tcd_t2_decode(opj_tcd_t *p_tcd,
1905 OPJ_BYTE * p_src_data,
1906 OPJ_UINT32 * p_data_read,
1907 OPJ_UINT32 p_max_src_size,
1908 opj_codestream_index_t *p_cstr_index,
1909 opj_event_mgr_t *p_manager
1910 )
1911{
1912 opj_t2_t * l_t2;
1913
1914 l_t2 = opj_t2_create(p_tcd->image, p_tcd->cp);
1915 if (l_t2 == 00) {
1916 return OPJ_FALSE;
1917 }
1918
1919 if (! opj_t2_decode_packets(
1920 p_tcd,
1921 l_t2,
1922 p_tcd->tcd_tileno,
1923 p_tcd->tcd_image->tiles,
1924 p_src_data,
1925 p_data_read,
1926 p_max_src_size,
1927 p_cstr_index,
1928 p_manager)) {
1929 opj_t2_destroy(l_t2);
1930 return OPJ_FALSE;
1931 }
1932
1933 opj_t2_destroy(l_t2);
1934
1935 /*---------------CLEAN-------------------*/
1936 return OPJ_TRUE;
1937}
1938
1939static OPJ_BOOL opj_tcd_t1_decode(opj_tcd_t *p_tcd, opj_event_mgr_t *p_manager)
1940{
1941 OPJ_UINT32 compno;
1942 opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
1943 opj_tcd_tilecomp_t* l_tile_comp = l_tile->comps;
1944 opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
1945 volatile OPJ_BOOL ret = OPJ_TRUE;
1946 OPJ_BOOL check_pterm = OPJ_FALSE;
1947 opj_mutex_t* p_manager_mutex = NULL;
1948
1949 p_manager_mutex = opj_mutex_create();
1950
1951 /* Only enable PTERM check if we decode all layers */
1952 if (p_tcd->tcp->num_layers_to_decode == p_tcd->tcp->numlayers &&
1953 (l_tccp->cblksty & J2K_CCP_CBLKSTY_PTERM) != 0) {
1954 check_pterm = OPJ_TRUE;
1955 }
1956
1957 for (compno = 0; compno < l_tile->numcomps;
1958 ++compno, ++l_tile_comp, ++l_tccp) {
1959 if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
1960 continue;
1961 }
1962
1963 opj_t1_decode_cblks(p_tcd, &ret, l_tile_comp, l_tccp,
1964 p_manager, p_manager_mutex, check_pterm);
1965 if (!ret) {
1966 break;
1967 }
1968 }
1969
1970 opj_thread_pool_wait_completion(p_tcd->thread_pool, 0);
1971 if (p_manager_mutex) {
1972 opj_mutex_destroy(p_manager_mutex);
1973 }
1974 return ret;
1975}
1976
1977
1978static OPJ_BOOL opj_tcd_dwt_decode(opj_tcd_t *p_tcd)
1979{
1980 OPJ_UINT32 compno;
1981 opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
1982 opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
1983 opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
1984 opj_image_comp_t * l_img_comp = p_tcd->image->comps;
1985
1986 for (compno = 0; compno < l_tile->numcomps;
1987 compno++, ++l_tile_comp, ++l_img_comp, ++l_tccp) {
1988 if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
1989 continue;
1990 }
1991
1992 if (l_tccp->qmfbid == 1) {
1993 if (! opj_dwt_decode(p_tcd, l_tile_comp,
1994 l_img_comp->resno_decoded + 1)) {
1995 return OPJ_FALSE;
1996 }
1997 } else {
1998 if (! opj_dwt_decode_real(p_tcd, l_tile_comp,
1999 l_img_comp->resno_decoded + 1)) {
2000 return OPJ_FALSE;
2001 }
2002 }
2003
2004 }
2005
2006 return OPJ_TRUE;
2007}
2008
2009static OPJ_BOOL opj_tcd_mct_decode(opj_tcd_t *p_tcd, opj_event_mgr_t *p_manager)
2010{
2011 opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
2012 opj_tcp_t * l_tcp = p_tcd->tcp;
2013 opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
2014 OPJ_UINT32 l_samples, i;
2015
2016 if (l_tcp->mct == 0 || p_tcd->used_component != NULL) {
2017 return OPJ_TRUE;
2018 }
2019
2020 if (p_tcd->whole_tile_decoding) {
2021 opj_tcd_resolution_t* res_comp0 = l_tile->comps[0].resolutions +
2022 l_tile_comp->minimum_num_resolutions - 1;
2023
2024 /* A bit inefficient: we process more data than needed if */
2025 /* resno_decoded < l_tile_comp->minimum_num_resolutions-1, */
2026 /* but we would need to take into account a stride then */
2027 l_samples = (OPJ_UINT32)((res_comp0->x1 - res_comp0->x0) *
2028 (res_comp0->y1 - res_comp0->y0));
2029 if (l_tile->numcomps >= 3) {
2030 if (l_tile_comp->minimum_num_resolutions !=
2031 l_tile->comps[1].minimum_num_resolutions ||
2032 l_tile_comp->minimum_num_resolutions !=
2033 l_tile->comps[2].minimum_num_resolutions) {
2034 opj_event_msg(p_manager, EVT_ERROR,
2035 "Tiles don't all have the same dimension. Skip the MCT step.\n");
2036 return OPJ_FALSE;
2037 }
2038 }
2039 if (l_tile->numcomps >= 3) {
2040 opj_tcd_resolution_t* res_comp1 = l_tile->comps[1].resolutions +
2041 l_tile_comp->minimum_num_resolutions - 1;
2042 opj_tcd_resolution_t* res_comp2 = l_tile->comps[2].resolutions +
2043 l_tile_comp->minimum_num_resolutions - 1;
2044 /* testcase 1336.pdf.asan.47.376 */
2045 if (p_tcd->image->comps[0].resno_decoded !=
2046 p_tcd->image->comps[1].resno_decoded ||
2047 p_tcd->image->comps[0].resno_decoded !=
2048 p_tcd->image->comps[2].resno_decoded ||
2049 (OPJ_SIZE_T)(res_comp1->x1 - res_comp1->x0) *
2050 (OPJ_SIZE_T)(res_comp1->y1 - res_comp1->y0) != l_samples ||
2051 (OPJ_SIZE_T)(res_comp2->x1 - res_comp2->x0) *
2052 (OPJ_SIZE_T)(res_comp2->y1 - res_comp2->y0) != l_samples) {
2053 opj_event_msg(p_manager, EVT_ERROR,
2054 "Tiles don't all have the same dimension. Skip the MCT step.\n");
2055 return OPJ_FALSE;
2056 }
2057 }
2058 } else {
2059 opj_tcd_resolution_t* res_comp0 = l_tile->comps[0].resolutions +
2060 p_tcd->image->comps[0].resno_decoded;
2061
2062 l_samples = (res_comp0->win_x1 - res_comp0->win_x0) *
2063 (res_comp0->win_y1 - res_comp0->win_y0);
2064 if (l_tile->numcomps >= 3) {
2065 opj_tcd_resolution_t* res_comp1 = l_tile->comps[1].resolutions +
2066 p_tcd->image->comps[1].resno_decoded;
2067 opj_tcd_resolution_t* res_comp2 = l_tile->comps[2].resolutions +
2068 p_tcd->image->comps[2].resno_decoded;
2069 /* testcase 1336.pdf.asan.47.376 */
2070 if (p_tcd->image->comps[0].resno_decoded !=
2071 p_tcd->image->comps[1].resno_decoded ||
2072 p_tcd->image->comps[0].resno_decoded !=
2073 p_tcd->image->comps[2].resno_decoded ||
2074 (OPJ_SIZE_T)(res_comp1->win_x1 - res_comp1->win_x0) *
2075 (OPJ_SIZE_T)(res_comp1->win_y1 - res_comp1->win_y0) != l_samples ||
2076 (OPJ_SIZE_T)(res_comp2->win_x1 - res_comp2->win_x0) *
2077 (OPJ_SIZE_T)(res_comp2->win_y1 - res_comp2->win_y0) != l_samples) {
2078 opj_event_msg(p_manager, EVT_ERROR,
2079 "Tiles don't all have the same dimension. Skip the MCT step.\n");
2080 return OPJ_FALSE;
2081 }
2082 }
2083 }
2084
2085 if (l_tile->numcomps >= 3) {
2086 if (l_tcp->mct == 2) {
2087 OPJ_BYTE ** l_data;
2088
2089 if (! l_tcp->m_mct_decoding_matrix) {
2090 return OPJ_TRUE;
2091 }
2092
2093 l_data = (OPJ_BYTE **) opj_malloc(l_tile->numcomps * sizeof(OPJ_BYTE*));
2094 if (! l_data) {
2095 return OPJ_FALSE;
2096 }
2097
2098 for (i = 0; i < l_tile->numcomps; ++i) {
2099 if (p_tcd->whole_tile_decoding) {
2100 l_data[i] = (OPJ_BYTE*) l_tile_comp->data;
2101 } else {
2102 l_data[i] = (OPJ_BYTE*) l_tile_comp->data_win;
2103 }
2104 ++l_tile_comp;
2105 }
2106
2107 if (! opj_mct_decode_custom(/* MCT data */
2108 (OPJ_BYTE*) l_tcp->m_mct_decoding_matrix,
2109 /* size of components */
2110 l_samples,
2111 /* components */
2112 l_data,
2113 /* nb of components (i.e. size of pData) */
2114 l_tile->numcomps,
2115 /* tells if the data is signed */
2116 p_tcd->image->comps->sgnd)) {
2117 opj_free(l_data);
2118 return OPJ_FALSE;
2119 }
2120
2121 opj_free(l_data);
2122 } else {
2123 if (l_tcp->tccps->qmfbid == 1) {
2124 if (p_tcd->whole_tile_decoding) {
2125 opj_mct_decode(l_tile->comps[0].data,
2126 l_tile->comps[1].data,
2127 l_tile->comps[2].data,
2128 l_samples);
2129 } else {
2130 opj_mct_decode(l_tile->comps[0].data_win,
2131 l_tile->comps[1].data_win,
2132 l_tile->comps[2].data_win,
2133 l_samples);
2134 }
2135 } else {
2136 if (p_tcd->whole_tile_decoding) {
2137 opj_mct_decode_real((OPJ_FLOAT32*)l_tile->comps[0].data,
2138 (OPJ_FLOAT32*)l_tile->comps[1].data,
2139 (OPJ_FLOAT32*)l_tile->comps[2].data,
2140 l_samples);
2141 } else {
2142 opj_mct_decode_real((OPJ_FLOAT32*)l_tile->comps[0].data_win,
2143 (OPJ_FLOAT32*)l_tile->comps[1].data_win,
2144 (OPJ_FLOAT32*)l_tile->comps[2].data_win,
2145 l_samples);
2146 }
2147 }
2148 }
2149 } else {
2150 opj_event_msg(p_manager, EVT_ERROR,
2151 "Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",
2152 l_tile->numcomps);
2153 }
2154
2155 return OPJ_TRUE;
2156}
2157
2158
2159static OPJ_BOOL opj_tcd_dc_level_shift_decode(opj_tcd_t *p_tcd)
2160{
2161 OPJ_UINT32 compno;
2162 opj_tcd_tilecomp_t * l_tile_comp = 00;
2163 opj_tccp_t * l_tccp = 00;
2164 opj_image_comp_t * l_img_comp = 00;
2165 opj_tcd_resolution_t* l_res = 00;
2166 opj_tcd_tile_t * l_tile;
2167 OPJ_UINT32 l_width, l_height, i, j;
2168 OPJ_INT32 * l_current_ptr;
2169 OPJ_INT32 l_min, l_max;
2170 OPJ_UINT32 l_stride;
2171
2172 l_tile = p_tcd->tcd_image->tiles;
2173 l_tile_comp = l_tile->comps;
2174 l_tccp = p_tcd->tcp->tccps;
2175 l_img_comp = p_tcd->image->comps;
2176
2177 for (compno = 0; compno < l_tile->numcomps;
2178 compno++, ++l_img_comp, ++l_tccp, ++l_tile_comp) {
2179
2180 if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
2181 continue;
2182 }
2183
2184 l_res = l_tile_comp->resolutions + l_img_comp->resno_decoded;
2185
2186 if (!p_tcd->whole_tile_decoding) {
2187 l_width = l_res->win_x1 - l_res->win_x0;
2188 l_height = l_res->win_y1 - l_res->win_y0;
2189 l_stride = 0;
2190 l_current_ptr = l_tile_comp->data_win;
2191 } else {
2192 l_width = (OPJ_UINT32)(l_res->x1 - l_res->x0);
2193 l_height = (OPJ_UINT32)(l_res->y1 - l_res->y0);
2194 l_stride = (OPJ_UINT32)(
2195 l_tile_comp->resolutions[l_tile_comp->minimum_num_resolutions - 1].x1 -
2196 l_tile_comp->resolutions[l_tile_comp->minimum_num_resolutions - 1].x0)
2197 - l_width;
2198 l_current_ptr = l_tile_comp->data;
2199
2200 assert(l_height == 0 ||
2201 l_width + l_stride <= l_tile_comp->data_size / l_height); /*MUPDF*/
2202 }
2203
2204 if (l_img_comp->sgnd) {
2205 l_min = -(1 << (l_img_comp->prec - 1));
2206 l_max = (1 << (l_img_comp->prec - 1)) - 1;
2207 } else {
2208 l_min = 0;
2209 l_max = (OPJ_INT32)((1U << l_img_comp->prec) - 1);
2210 }
2211
2212
2213 if (l_tccp->qmfbid == 1) {
2214 for (j = 0; j < l_height; ++j) {
2215 for (i = 0; i < l_width; ++i) {
2216 /* TODO: do addition on int64 ? */
2217 *l_current_ptr = opj_int_clamp(*l_current_ptr + l_tccp->m_dc_level_shift, l_min,
2218 l_max);
2219 ++l_current_ptr;
2220 }
2221 l_current_ptr += l_stride;
2222 }
2223 } else {
2224 for (j = 0; j < l_height; ++j) {
2225 for (i = 0; i < l_width; ++i) {
2226 OPJ_FLOAT32 l_value = *((OPJ_FLOAT32 *) l_current_ptr);
2227 if (l_value > INT_MAX) {
2228 *l_current_ptr = l_max;
2229 } else if (l_value < INT_MIN) {
2230 *l_current_ptr = l_min;
2231 } else {
2232 /* Do addition on int64 to avoid overflows */
2233 OPJ_INT64 l_value_int = (OPJ_INT64)opj_lrintf(l_value);
2234 *l_current_ptr = (OPJ_INT32)opj_int64_clamp(
2235 l_value_int + l_tccp->m_dc_level_shift, l_min, l_max);
2236 }
2237 ++l_current_ptr;
2238 }
2239 l_current_ptr += l_stride;
2240 }
2241 }
2242 }
2243
2244 return OPJ_TRUE;
2245}
2246
2247
2248
2249/**
2250 * Deallocates the encoding data of the given precinct.
2251 */
2252static void opj_tcd_code_block_dec_deallocate(opj_tcd_precinct_t * p_precinct)
2253{
2254 OPJ_UINT32 cblkno, l_nb_code_blocks;
2255
2256 opj_tcd_cblk_dec_t * l_code_block = p_precinct->cblks.dec;
2257 if (l_code_block) {
2258 /*fprintf(stderr,"deallocate codeblock:{\n");*/
2259 /*fprintf(stderr,"\t x0=%d, y0=%d, x1=%d, y1=%d\n",l_code_block->x0, l_code_block->y0, l_code_block->x1, l_code_block->y1);*/
2260 /*fprintf(stderr,"\t numbps=%d, numlenbits=%d, len=%d, numnewpasses=%d, real_num_segs=%d, m_current_max_segs=%d\n ",
2261 l_code_block->numbps, l_code_block->numlenbits, l_code_block->len, l_code_block->numnewpasses, l_code_block->real_num_segs, l_code_block->m_current_max_segs );*/
2262
2263
2264 l_nb_code_blocks = p_precinct->block_size / (OPJ_UINT32)sizeof(
2265 opj_tcd_cblk_dec_t);
2266 /*fprintf(stderr,"nb_code_blocks =%d\t}\n", l_nb_code_blocks);*/
2267
2268 for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) {
2269
2270 if (l_code_block->segs) {
2271 opj_free(l_code_block->segs);
2272 l_code_block->segs = 00;
2273 }
2274
2275 if (l_code_block->chunks) {
2276 opj_free(l_code_block->chunks);
2277 l_code_block->chunks = 00;
2278 }
2279
2280 opj_aligned_free(l_code_block->decoded_data);
2281 l_code_block->decoded_data = NULL;
2282
2283 ++l_code_block;
2284 }
2285
2286 opj_free(p_precinct->cblks.dec);
2287 p_precinct->cblks.dec = 00;
2288 }
2289}
2290
2291/**
2292 * Deallocates the encoding data of the given precinct.
2293 */
2294static void opj_tcd_code_block_enc_deallocate(opj_tcd_precinct_t * p_precinct)
2295{
2296 OPJ_UINT32 cblkno, l_nb_code_blocks;
2297
2298 opj_tcd_cblk_enc_t * l_code_block = p_precinct->cblks.enc;
2299 if (l_code_block) {
2300 l_nb_code_blocks = p_precinct->block_size / (OPJ_UINT32)sizeof(
2301 opj_tcd_cblk_enc_t);
2302
2303 for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) {
2304 if (l_code_block->data) {
2305 /* We refer to data - 1 since below we incremented it */
2306 /* in opj_tcd_code_block_enc_allocate_data() */
2307 opj_free(l_code_block->data - 1);
2308 l_code_block->data = 00;
2309 }
2310
2311 if (l_code_block->layers) {
2312 opj_free(l_code_block->layers);
2313 l_code_block->layers = 00;
2314 }
2315
2316 if (l_code_block->passes) {
2317 opj_free(l_code_block->passes);
2318 l_code_block->passes = 00;
2319 }
2320 ++l_code_block;
2321 }
2322
2323 opj_free(p_precinct->cblks.enc);
2324
2325 p_precinct->cblks.enc = 00;
2326 }
2327}
2328
2329OPJ_SIZE_T opj_tcd_get_encoded_tile_size(opj_tcd_t *p_tcd)
2330{
2331 OPJ_UINT32 i;
2332 OPJ_SIZE_T l_data_size = 0;
2333 opj_image_comp_t * l_img_comp = 00;
2334 opj_tcd_tilecomp_t * l_tilec = 00;
2335 OPJ_UINT32 l_size_comp, l_remaining;
2336
2337 l_tilec = p_tcd->tcd_image->tiles->comps;
2338 l_img_comp = p_tcd->image->comps;
2339 for (i = 0; i < p_tcd->image->numcomps; ++i) {
2340 l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
2341 l_remaining = l_img_comp->prec & 7; /* (%8) */
2342
2343 if (l_remaining) {
2344 ++l_size_comp;
2345 }
2346
2347 if (l_size_comp == 3) {
2348 l_size_comp = 4;
2349 }
2350
2351 l_data_size += l_size_comp * ((OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0) *
2352 (OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0));
2353 ++l_img_comp;
2354 ++l_tilec;
2355 }
2356
2357 return l_data_size;
2358}
2359
2360static OPJ_BOOL opj_tcd_dc_level_shift_encode(opj_tcd_t *p_tcd)
2361{
2362 OPJ_UINT32 compno;
2363 opj_tcd_tilecomp_t * l_tile_comp = 00;
2364 opj_tccp_t * l_tccp = 00;
2365 opj_image_comp_t * l_img_comp = 00;
2366 opj_tcd_tile_t * l_tile;
2367 OPJ_SIZE_T l_nb_elem, i;
2368 OPJ_INT32 * l_current_ptr;
2369
2370 l_tile = p_tcd->tcd_image->tiles;
2371 l_tile_comp = l_tile->comps;
2372 l_tccp = p_tcd->tcp->tccps;
2373 l_img_comp = p_tcd->image->comps;
2374
2375 for (compno = 0; compno < l_tile->numcomps; compno++) {
2376 l_current_ptr = l_tile_comp->data;
2377 l_nb_elem = (OPJ_SIZE_T)(l_tile_comp->x1 - l_tile_comp->x0) *
2378 (OPJ_SIZE_T)(l_tile_comp->y1 - l_tile_comp->y0);
2379
2380 if (l_tccp->qmfbid == 1) {
2381 for (i = 0; i < l_nb_elem; ++i) {
2382 *l_current_ptr -= l_tccp->m_dc_level_shift ;
2383 ++l_current_ptr;
2384 }
2385 } else {
2386 for (i = 0; i < l_nb_elem; ++i) {
2387 *l_current_ptr = (*l_current_ptr - l_tccp->m_dc_level_shift) * (1 << 11);
2388 ++l_current_ptr;
2389 }
2390 }
2391
2392 ++l_img_comp;
2393 ++l_tccp;
2394 ++l_tile_comp;
2395 }
2396
2397 return OPJ_TRUE;
2398}
2399
2400static OPJ_BOOL opj_tcd_mct_encode(opj_tcd_t *p_tcd)
2401{
2402 opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
2403 opj_tcd_tilecomp_t * l_tile_comp = p_tcd->tcd_image->tiles->comps;
2404 OPJ_SIZE_T samples = (OPJ_SIZE_T)(l_tile_comp->x1 - l_tile_comp->x0) *
2405 (OPJ_SIZE_T)(l_tile_comp->y1 - l_tile_comp->y0);
2406 OPJ_UINT32 i;
2407 OPJ_BYTE ** l_data = 00;
2408 opj_tcp_t * l_tcp = p_tcd->tcp;
2409
2410 if (!p_tcd->tcp->mct) {
2411 return OPJ_TRUE;
2412 }
2413
2414 if (p_tcd->tcp->mct == 2) {
2415 if (! p_tcd->tcp->m_mct_coding_matrix) {
2416 return OPJ_TRUE;
2417 }
2418
2419 l_data = (OPJ_BYTE **) opj_malloc(l_tile->numcomps * sizeof(OPJ_BYTE*));
2420 if (! l_data) {
2421 return OPJ_FALSE;
2422 }
2423
2424 for (i = 0; i < l_tile->numcomps; ++i) {
2425 l_data[i] = (OPJ_BYTE*) l_tile_comp->data;
2426 ++l_tile_comp;
2427 }
2428
2429 if (! opj_mct_encode_custom(/* MCT data */
2430 (OPJ_BYTE*) p_tcd->tcp->m_mct_coding_matrix,
2431 /* size of components */
2432 samples,
2433 /* components */
2434 l_data,
2435 /* nb of components (i.e. size of pData) */
2436 l_tile->numcomps,
2437 /* tells if the data is signed */
2438 p_tcd->image->comps->sgnd)) {
2439 opj_free(l_data);
2440 return OPJ_FALSE;
2441 }
2442
2443 opj_free(l_data);
2444 } else if (l_tcp->tccps->qmfbid == 0) {
2445 opj_mct_encode_real(l_tile->comps[0].data, l_tile->comps[1].data,
2446 l_tile->comps[2].data, samples);
2447 } else {
2448 opj_mct_encode(l_tile->comps[0].data, l_tile->comps[1].data,
2449 l_tile->comps[2].data, samples);
2450 }
2451
2452 return OPJ_TRUE;
2453}
2454
2455static OPJ_BOOL opj_tcd_dwt_encode(opj_tcd_t *p_tcd)
2456{
2457 opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
2458 opj_tcd_tilecomp_t * l_tile_comp = p_tcd->tcd_image->tiles->comps;
2459 opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
2460 OPJ_UINT32 compno;
2461
2462 for (compno = 0; compno < l_tile->numcomps; ++compno) {
2463 if (l_tccp->qmfbid == 1) {
2464 if (! opj_dwt_encode(l_tile_comp)) {
2465 return OPJ_FALSE;
2466 }
2467 } else if (l_tccp->qmfbid == 0) {
2468 if (! opj_dwt_encode_real(l_tile_comp)) {
2469 return OPJ_FALSE;
2470 }
2471 }
2472
2473 ++l_tile_comp;
2474 ++l_tccp;
2475 }
2476
2477 return OPJ_TRUE;
2478}
2479
2480static OPJ_BOOL opj_tcd_t1_encode(opj_tcd_t *p_tcd)
2481{
2482 opj_t1_t * l_t1;
2483 const OPJ_FLOAT64 * l_mct_norms;
2484 OPJ_UINT32 l_mct_numcomps = 0U;
2485 opj_tcp_t * l_tcp = p_tcd->tcp;
2486
2487 l_t1 = opj_t1_create(OPJ_TRUE);
2488 if (l_t1 == 00) {
2489 return OPJ_FALSE;
2490 }
2491
2492 if (l_tcp->mct == 1) {
2493 l_mct_numcomps = 3U;
2494 /* irreversible encoding */
2495 if (l_tcp->tccps->qmfbid == 0) {
2496 l_mct_norms = opj_mct_get_mct_norms_real();
2497 } else {
2498 l_mct_norms = opj_mct_get_mct_norms();
2499 }
2500 } else {
2501 l_mct_numcomps = p_tcd->image->numcomps;
2502 l_mct_norms = (const OPJ_FLOAT64 *)(l_tcp->mct_norms);
2503 }
2504
2505 if (! opj_t1_encode_cblks(l_t1, p_tcd->tcd_image->tiles, l_tcp, l_mct_norms,
2506 l_mct_numcomps)) {
2507 opj_t1_destroy(l_t1);
2508 return OPJ_FALSE;
2509 }
2510
2511 opj_t1_destroy(l_t1);
2512
2513 return OPJ_TRUE;
2514}
2515
2516static OPJ_BOOL opj_tcd_t2_encode(opj_tcd_t *p_tcd,
2517 OPJ_BYTE * p_dest_data,
2518 OPJ_UINT32 * p_data_written,
2519 OPJ_UINT32 p_max_dest_size,
2520 opj_codestream_info_t *p_cstr_info,
2521 opj_event_mgr_t *p_manager)
2522{
2523 opj_t2_t * l_t2;
2524
2525 l_t2 = opj_t2_create(p_tcd->image, p_tcd->cp);
2526 if (l_t2 == 00) {
2527 return OPJ_FALSE;
2528 }
2529
2530 if (! opj_t2_encode_packets(
2531 l_t2,
2532 p_tcd->tcd_tileno,
2533 p_tcd->tcd_image->tiles,
2534 p_tcd->tcp->numlayers,
2535 p_dest_data,
2536 p_data_written,
2537 p_max_dest_size,
2538 p_cstr_info,
2539 p_tcd->tp_num,
2540 p_tcd->tp_pos,
2541 p_tcd->cur_pino,
2542 FINAL_PASS,
2543 p_manager)) {
2544 opj_t2_destroy(l_t2);
2545 return OPJ_FALSE;
2546 }
2547
2548 opj_t2_destroy(l_t2);
2549
2550 /*---------------CLEAN-------------------*/
2551 return OPJ_TRUE;
2552}
2553
2554
2555static OPJ_BOOL opj_tcd_rate_allocate_encode(opj_tcd_t *p_tcd,
2556 OPJ_BYTE * p_dest_data,
2557 OPJ_UINT32 p_max_dest_size,
2558 opj_codestream_info_t *p_cstr_info,
2559 opj_event_mgr_t *p_manager)
2560{
2561 opj_cp_t * l_cp = p_tcd->cp;
2562 OPJ_UINT32 l_nb_written = 0;
2563
2564 if (p_cstr_info) {
2565 p_cstr_info->index_write = 0;
2566 }
2567
2568 if (l_cp->m_specific_param.m_enc.m_disto_alloc ||
2569 l_cp->m_specific_param.m_enc.m_fixed_quality) {
2570 /* fixed_quality */
2571 /* Normal Rate/distortion allocation */
2572 if (! opj_tcd_rateallocate(p_tcd, p_dest_data, &l_nb_written, p_max_dest_size,
2573 p_cstr_info, p_manager)) {
2574 return OPJ_FALSE;
2575 }
2576 } else {
2577 /* Fixed layer allocation */
2578 opj_tcd_rateallocate_fixed(p_tcd);
2579 }
2580
2581 return OPJ_TRUE;
2582}
2583
2584
2585OPJ_BOOL opj_tcd_copy_tile_data(opj_tcd_t *p_tcd,
2586 OPJ_BYTE * p_src,
2587 OPJ_SIZE_T p_src_length)
2588{
2589 OPJ_UINT32 i;
2590 OPJ_SIZE_T j;
2591 OPJ_SIZE_T l_data_size = 0;
2592 opj_image_comp_t * l_img_comp = 00;
2593 opj_tcd_tilecomp_t * l_tilec = 00;
2594 OPJ_UINT32 l_size_comp, l_remaining;
2595 OPJ_SIZE_T l_nb_elem;
2596
2597 l_data_size = opj_tcd_get_encoded_tile_size(p_tcd);
2598 if (l_data_size != p_src_length) {
2599 return OPJ_FALSE;
2600 }
2601
2602 l_tilec = p_tcd->tcd_image->tiles->comps;
2603 l_img_comp = p_tcd->image->comps;
2604 for (i = 0; i < p_tcd->image->numcomps; ++i) {
2605 l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
2606 l_remaining = l_img_comp->prec & 7; /* (%8) */
2607 l_nb_elem = (OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0) *
2608 (OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0);
2609
2610 if (l_remaining) {
2611 ++l_size_comp;
2612 }
2613
2614 if (l_size_comp == 3) {
2615 l_size_comp = 4;
2616 }
2617
2618 switch (l_size_comp) {
2619 case 1: {
2620 OPJ_CHAR * l_src_ptr = (OPJ_CHAR *) p_src;
2621 OPJ_INT32 * l_dest_ptr = l_tilec->data;
2622
2623 if (l_img_comp->sgnd) {
2624 for (j = 0; j < l_nb_elem; ++j) {
2625 *(l_dest_ptr++) = (OPJ_INT32)(*(l_src_ptr++));
2626 }
2627 } else {
2628 for (j = 0; j < l_nb_elem; ++j) {
2629 *(l_dest_ptr++) = (*(l_src_ptr++)) & 0xff;
2630 }
2631 }
2632
2633 p_src = (OPJ_BYTE*) l_src_ptr;
2634 }
2635 break;
2636 case 2: {
2637 OPJ_INT32 * l_dest_ptr = l_tilec->data;
2638 OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_src;
2639
2640 if (l_img_comp->sgnd) {
2641 for (j = 0; j < l_nb_elem; ++j) {
2642 *(l_dest_ptr++) = (OPJ_INT32)(*(l_src_ptr++));
2643 }
2644 } else {
2645 for (j = 0; j < l_nb_elem; ++j) {
2646 *(l_dest_ptr++) = (*(l_src_ptr++)) & 0xffff;
2647 }
2648 }
2649
2650 p_src = (OPJ_BYTE*) l_src_ptr;
2651 }
2652 break;
2653 case 4: {
2654 OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_src;
2655 OPJ_INT32 * l_dest_ptr = l_tilec->data;
2656
2657 for (j = 0; j < l_nb_elem; ++j) {
2658 *(l_dest_ptr++) = (OPJ_INT32)(*(l_src_ptr++));
2659 }
2660
2661 p_src = (OPJ_BYTE*) l_src_ptr;
2662 }
2663 break;
2664 }
2665
2666 ++l_img_comp;
2667 ++l_tilec;
2668 }
2669
2670 return OPJ_TRUE;
2671}
2672
2673OPJ_BOOL opj_tcd_is_band_empty(opj_tcd_band_t* band)
2674{
2675 return (band->x1 - band->x0 == 0) || (band->y1 - band->y0 == 0);
2676}
2677
2678OPJ_BOOL opj_tcd_is_subband_area_of_interest(opj_tcd_t *tcd,
2679 OPJ_UINT32 compno,
2680 OPJ_UINT32 resno,
2681 OPJ_UINT32 bandno,
2682 OPJ_UINT32 band_x0,
2683 OPJ_UINT32 band_y0,
2684 OPJ_UINT32 band_x1,
2685 OPJ_UINT32 band_y1)
2686{
2687 /* Note: those values for filter_margin are in part the result of */
2688 /* experimentation. The value 2 for QMFBID=1 (5x3 filter) can be linked */
2689 /* to the maximum left/right extension given in tables F.2 and F.3 of the */
2690 /* standard. The value 3 for QMFBID=0 (9x7 filter) is more suspicious, */
2691 /* since F.2 and F.3 would lead to 4 instead, so the current 3 might be */
2692 /* needed to be bumped to 4, in case inconsistencies are found while */
2693 /* decoding parts of irreversible coded images. */
2694 /* See opj_dwt_decode_partial_53 and opj_dwt_decode_partial_97 as well */
2695 OPJ_UINT32 filter_margin = (tcd->tcp->tccps[compno].qmfbid == 1) ? 2 : 3;
2696 opj_tcd_tilecomp_t *tilec = &(tcd->tcd_image->tiles->comps[compno]);
2697 opj_image_comp_t* image_comp = &(tcd->image->comps[compno]);
2698 /* Compute the intersection of the area of interest, expressed in tile coordinates */
2699 /* with the tile coordinates */
2700 OPJ_UINT32 tcx0 = opj_uint_max(
2701 (OPJ_UINT32)tilec->x0,
2702 opj_uint_ceildiv(tcd->win_x0, image_comp->dx));
2703 OPJ_UINT32 tcy0 = opj_uint_max(
2704 (OPJ_UINT32)tilec->y0,
2705 opj_uint_ceildiv(tcd->win_y0, image_comp->dy));
2706 OPJ_UINT32 tcx1 = opj_uint_min(
2707 (OPJ_UINT32)tilec->x1,
2708 opj_uint_ceildiv(tcd->win_x1, image_comp->dx));
2709 OPJ_UINT32 tcy1 = opj_uint_min(
2710 (OPJ_UINT32)tilec->y1,
2711 opj_uint_ceildiv(tcd->win_y1, image_comp->dy));
2712 /* Compute number of decomposition for this band. See table F-1 */
2713 OPJ_UINT32 nb = (resno == 0) ?
2714 tilec->numresolutions - 1 :
2715 tilec->numresolutions - resno;
2716 /* Map above tile-based coordinates to sub-band-based coordinates per */
2717 /* equation B-15 of the standard */
2718 OPJ_UINT32 x0b = bandno & 1;
2719 OPJ_UINT32 y0b = bandno >> 1;
2720 OPJ_UINT32 tbx0 = (nb == 0) ? tcx0 :
2721 (tcx0 <= (1U << (nb - 1)) * x0b) ? 0 :
2722 opj_uint_ceildivpow2(tcx0 - (1U << (nb - 1)) * x0b, nb);
2723 OPJ_UINT32 tby0 = (nb == 0) ? tcy0 :
2724 (tcy0 <= (1U << (nb - 1)) * y0b) ? 0 :
2725 opj_uint_ceildivpow2(tcy0 - (1U << (nb - 1)) * y0b, nb);
2726 OPJ_UINT32 tbx1 = (nb == 0) ? tcx1 :
2727 (tcx1 <= (1U << (nb - 1)) * x0b) ? 0 :
2728 opj_uint_ceildivpow2(tcx1 - (1U << (nb - 1)) * x0b, nb);
2729 OPJ_UINT32 tby1 = (nb == 0) ? tcy1 :
2730 (tcy1 <= (1U << (nb - 1)) * y0b) ? 0 :
2731 opj_uint_ceildivpow2(tcy1 - (1U << (nb - 1)) * y0b, nb);
2732 OPJ_BOOL intersects;
2733
2734 if (tbx0 < filter_margin) {
2735 tbx0 = 0;
2736 } else {
2737 tbx0 -= filter_margin;
2738 }
2739 if (tby0 < filter_margin) {
2740 tby0 = 0;
2741 } else {
2742 tby0 -= filter_margin;
2743 }
2744 tbx1 = opj_uint_adds(tbx1, filter_margin);
2745 tby1 = opj_uint_adds(tby1, filter_margin);
2746
2747 intersects = band_x0 < tbx1 && band_y0 < tby1 && band_x1 > tbx0 &&
2748 band_y1 > tby0;
2749
2750#ifdef DEBUG_VERBOSE
2751 printf("compno=%u resno=%u nb=%u bandno=%u x0b=%u y0b=%u band=%u,%u,%u,%u tb=%u,%u,%u,%u -> %u\n",
2752 compno, resno, nb, bandno, x0b, y0b,
2753 band_x0, band_y0, band_x1, band_y1,
2754 tbx0, tby0, tbx1, tby1, intersects);
2755#endif
2756 return intersects;
2757}
2758
2759/** Returns whether a tile componenent is fully decoded, taking into account
2760 * p_tcd->win_* members.
2761 *
2762 * @param p_tcd TCD handle.
2763 * @param compno Component number
2764 * @return OPJ_TRUE whether the tile componenent is fully decoded
2765 */
2766static OPJ_BOOL opj_tcd_is_whole_tilecomp_decoding(opj_tcd_t *p_tcd,
2767 OPJ_UINT32 compno)
2768{
2769 opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
2770 opj_image_comp_t* image_comp = &(p_tcd->image->comps[compno]);
2771 /* Compute the intersection of the area of interest, expressed in tile coordinates */
2772 /* with the tile coordinates */
2773 OPJ_UINT32 tcx0 = opj_uint_max(
2774 (OPJ_UINT32)tilec->x0,
2775 opj_uint_ceildiv(p_tcd->win_x0, image_comp->dx));
2776 OPJ_UINT32 tcy0 = opj_uint_max(
2777 (OPJ_UINT32)tilec->y0,
2778 opj_uint_ceildiv(p_tcd->win_y0, image_comp->dy));
2779 OPJ_UINT32 tcx1 = opj_uint_min(
2780 (OPJ_UINT32)tilec->x1,
2781 opj_uint_ceildiv(p_tcd->win_x1, image_comp->dx));
2782 OPJ_UINT32 tcy1 = opj_uint_min(
2783 (OPJ_UINT32)tilec->y1,
2784 opj_uint_ceildiv(p_tcd->win_y1, image_comp->dy));
2785
2786 OPJ_UINT32 shift = tilec->numresolutions - tilec->minimum_num_resolutions;
2787 /* Tolerate small margin within the reduced resolution factor to consider if */
2788 /* the whole tile path must be taken */
2789 return (tcx0 >= (OPJ_UINT32)tilec->x0 &&
2790 tcy0 >= (OPJ_UINT32)tilec->y0 &&
2791 tcx1 <= (OPJ_UINT32)tilec->x1 &&
2792 tcy1 <= (OPJ_UINT32)tilec->y1 &&
2793 (shift >= 32 ||
2794 (((tcx0 - (OPJ_UINT32)tilec->x0) >> shift) == 0 &&
2795 ((tcy0 - (OPJ_UINT32)tilec->y0) >> shift) == 0 &&
2796 (((OPJ_UINT32)tilec->x1 - tcx1) >> shift) == 0 &&
2797 (((OPJ_UINT32)tilec->y1 - tcy1) >> shift) == 0)));
2798}
2799