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 void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
36 int tileno, compno, resno, bandno, precno;//, cblkno;
38 fprintf(fd, "image {\n");
39 fprintf(fd, " tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
40 img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0, tcd->image->y1);
42 for (tileno = 0; tileno < img->th * img->tw; tileno++) {
43 opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
44 fprintf(fd, " tile {\n");
45 fprintf(fd, " x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
46 tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
47 for (compno = 0; compno < tile->numcomps; compno++) {
48 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
49 fprintf(fd, " tilec {\n");
51 " x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
52 tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
53 for (resno = 0; resno < tilec->numresolutions; resno++) {
54 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
55 fprintf(fd, "\n res {\n");
57 " x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n",
58 res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands);
59 for (bandno = 0; bandno < res->numbands; bandno++) {
60 opj_tcd_band_t *band = &res->bands[bandno];
61 fprintf(fd, " band {\n");
63 " x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
64 band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
65 for (precno = 0; precno < res->pw * res->ph; precno++) {
66 opj_tcd_precinct_t *prec = &band->precincts[precno];
67 fprintf(fd, " prec {\n");
69 " x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n",
70 prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch);
72 for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
73 opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
74 fprintf(fd, " cblk {\n");
76 " x0=%d, y0=%d, x1=%d, y1=%d\n",
77 cblk->x0, cblk->y0, cblk->x1, cblk->y1);
94 * Allocates memory for a decoding code block.
96 static opj_bool tcd_code_block_dec_allocate (opj_tcd_cblk_dec_t * p_code_block);
99 Free the memory allocated for encoding
100 @param tcd TCD handle
102 static void tcd_free_tile(opj_tcd_v2_t *tcd);
105 opj_bool tcd_t2_decode (
107 OPJ_BYTE * p_src_data,
108 OPJ_UINT32 * p_data_read,
109 OPJ_UINT32 p_max_src_size,
110 opj_codestream_info_t *p_cstr_info
113 opj_bool tcd_t1_decode (
117 opj_bool tcd_dwt_decode (
121 opj_bool tcd_mct_decode (
125 opj_bool tcd_dc_level_shift_decode (
129 void tcd_code_block_dec_deallocate (opj_tcd_precinct_t * p_precinct);
130 /* ----------------------------------------------------------------------- */
133 Create a new TCD handle
135 opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
136 /* create the tcd structure */
137 opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
138 if(!tcd) return NULL;
140 tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
141 if(!tcd->tcd_image) {
150 Create a new TCD handle
152 opj_tcd_v2_t* tcd_create_v2(opj_bool p_is_decoder)
154 opj_tcd_v2_t *l_tcd = 00;
156 /* create the tcd structure */
157 l_tcd = (opj_tcd_v2_t*) opj_malloc(sizeof(opj_tcd_v2_t));
163 memset(l_tcd,0,sizeof(opj_tcd_v2_t));
164 l_tcd->m_is_decoder = p_is_decoder ? 1 : 0;
165 l_tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
172 memset(l_tcd->tcd_image,0,sizeof(opj_tcd_image_t));
177 Destroy a previously created TCD handle
179 void tcd_destroy(opj_tcd_t *tcd) {
181 opj_free(tcd->tcd_image);
186 /* ----------------------------------------------------------------------- */
188 void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
189 int tileno, compno, resno, bandno, precno, cblkno;
193 tcd->tcd_image->tw = cp->tw;
194 tcd->tcd_image->th = cp->th;
195 tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
197 for (tileno = 0; tileno < 1; tileno++) {
198 opj_tcp_t *tcp = &cp->tcps[curtileno];
201 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
202 int p = curtileno % cp->tw; /* si numerotation matricielle .. */
203 int q = curtileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
205 /* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
206 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
208 /* 4 borders of the tile rescale on the image if necessary */
209 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
210 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
211 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
212 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
213 tile->numcomps = image->numcomps;
214 /* tile->PPT=image->PPT; */
216 /* Modification of the RATE >> */
217 for (j = 0; j < tcp->numlayers; j++) {
218 tcp->rates[j] = tcp->rates[j] ?
220 (((float) (tile->numcomps
221 * (tile->x1 - tile->x0)
222 * (tile->y1 - tile->y0)
223 * image->comps[0].prec))
224 /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
226 ((float) (tile->numcomps
227 * (tile->x1 - tile->x0)
228 * (tile->y1 - tile->y0)
229 * image->comps[0].prec))/
230 (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
234 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
235 tcp->rates[j] = tcp->rates[j - 1] + 20;
237 if (!j && tcp->rates[j] < 30)
241 if(j == (tcp->numlayers-1)){
242 tcp->rates[j] = tcp->rates[j]- 2;
246 /* << Modification of the RATE */
248 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
249 for (compno = 0; compno < tile->numcomps; compno++) {
250 opj_tccp_t *tccp = &tcp->tccps[compno];
252 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
254 /* border of each tile component (global) */
255 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
256 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
257 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
258 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
260 tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
261 tilec->numresolutions = tccp->numresolutions;
263 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
265 for (resno = 0; resno < tilec->numresolutions; resno++) {
267 int levelno = tilec->numresolutions - 1 - resno;
268 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
269 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
270 int cbgwidthexpn, cbgheightexpn;
271 int cblkwidthexpn, cblkheightexpn;
273 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
275 /* border for each resolution level (global) */
276 res->x0 = int_ceildivpow2(tilec->x0, levelno);
277 res->y0 = int_ceildivpow2(tilec->y0, levelno);
278 res->x1 = int_ceildivpow2(tilec->x1, levelno);
279 res->y1 = int_ceildivpow2(tilec->y1, levelno);
281 res->numbands = resno == 0 ? 1 : 3;
282 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
283 if (tccp->csty & J2K_CCP_CSTY_PRT) {
284 pdx = tccp->prcw[resno];
285 pdy = tccp->prch[resno];
290 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
291 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
292 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
294 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
295 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
297 res->pw = (brprcxend - tlprcxstart) >> pdx;
298 res->ph = (brprcyend - tlprcystart) >> pdy;
301 tlcbgxstart = tlprcxstart;
302 tlcbgystart = tlprcystart;
303 brcbgxend = brprcxend;
304 brcbgyend = brprcyend;
308 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
309 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
310 brcbgxend = int_ceildivpow2(brprcxend, 1);
311 brcbgyend = int_ceildivpow2(brprcyend, 1);
312 cbgwidthexpn = pdx - 1;
313 cbgheightexpn = pdy - 1;
316 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
317 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
319 for (bandno = 0; bandno < res->numbands; bandno++) {
322 opj_stepsize_t *ss = NULL;
324 opj_tcd_band_t *band = &res->bands[bandno];
326 band->bandno = resno == 0 ? 0 : bandno + 1;
327 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
328 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
330 if (band->bandno == 0) {
331 /* band border (global) */
332 band->x0 = int_ceildivpow2(tilec->x0, levelno);
333 band->y0 = int_ceildivpow2(tilec->y0, levelno);
334 band->x1 = int_ceildivpow2(tilec->x1, levelno);
335 band->y1 = int_ceildivpow2(tilec->y1, levelno);
337 /* band border (global) */
338 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
339 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
340 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
341 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
344 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
345 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
346 numbps = image->comps[compno].prec + gain;
348 band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
349 band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
351 band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_tcd_precinct_t));
353 for (i = 0; i < res->pw * res->ph * 3; i++) {
354 band->precincts[i].imsbtree = NULL;
355 band->precincts[i].incltree = NULL;
358 for (precno = 0; precno < res->pw * res->ph; precno++) {
359 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
361 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
362 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
363 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
364 int cbgyend = cbgystart + (1 << cbgheightexpn);
366 opj_tcd_precinct_t *prc = &band->precincts[precno];
368 /* precinct size (global) */
369 prc->x0 = int_max(cbgxstart, band->x0);
370 prc->y0 = int_max(cbgystart, band->y0);
371 prc->x1 = int_min(cbgxend, band->x1);
372 prc->y1 = int_min(cbgyend, band->y1);
374 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
375 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
376 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
377 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
378 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
379 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
381 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc((prc->cw * prc->ch), sizeof(opj_tcd_cblk_enc_t));
382 prc->incltree = tgt_create(prc->cw, prc->ch);
383 prc->imsbtree = tgt_create(prc->cw, prc->ch);
385 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
386 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
387 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
388 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
389 int cblkyend = cblkystart + (1 << cblkheightexpn);
391 opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
393 /* code-block size (global) */
394 cblk->x0 = int_max(cblkxstart, prc->x0);
395 cblk->y0 = int_max(cblkystart, prc->y0);
396 cblk->x1 = int_min(cblkxend, prc->x1);
397 cblk->y1 = int_min(cblkyend, prc->y1);
398 cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
399 /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
401 cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
402 cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
410 /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
413 void tcd_free_encode(opj_tcd_t *tcd) {
414 int tileno, compno, resno, bandno, precno, cblkno;
416 for (tileno = 0; tileno < 1; tileno++) {
417 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
419 for (compno = 0; compno < tile->numcomps; compno++) {
420 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
422 for (resno = 0; resno < tilec->numresolutions; resno++) {
423 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
425 for (bandno = 0; bandno < res->numbands; bandno++) {
426 opj_tcd_band_t *band = &res->bands[bandno];
428 for (precno = 0; precno < res->pw * res->ph; precno++) {
429 opj_tcd_precinct_t *prc = &band->precincts[precno];
431 if (prc->incltree != NULL) {
432 tgt_destroy(prc->incltree);
433 prc->incltree = NULL;
435 if (prc->imsbtree != NULL) {
436 tgt_destroy(prc->imsbtree);
437 prc->imsbtree = NULL;
439 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
440 opj_free(prc->cblks.enc[cblkno].data - 2);
441 opj_free(prc->cblks.enc[cblkno].layers);
442 opj_free(prc->cblks.enc[cblkno].passes);
444 opj_free(prc->cblks.enc);
446 opj_free(band->precincts);
447 band->precincts = NULL;
450 opj_free(tilec->resolutions);
451 tilec->resolutions = NULL;
453 opj_free(tile->comps);
456 opj_free(tcd->tcd_image->tiles);
457 tcd->tcd_image->tiles = NULL;
460 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
461 int tileno, compno, resno, bandno, precno, cblkno;
463 for (tileno = 0; tileno < 1; tileno++) {
464 opj_tcp_t *tcp = &cp->tcps[curtileno];
466 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
467 int p = curtileno % cp->tw;
468 int q = curtileno / cp->tw;
470 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
472 /* 4 borders of the tile rescale on the image if necessary */
473 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
474 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
475 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
476 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
478 tile->numcomps = image->numcomps;
479 /* tile->PPT=image->PPT; */
481 /* Modification of the RATE >> */
482 for (j = 0; j < tcp->numlayers; j++) {
483 tcp->rates[j] = tcp->rates[j] ?
485 (((float) (tile->numcomps
486 * (tile->x1 - tile->x0)
487 * (tile->y1 - tile->y0)
488 * image->comps[0].prec))
489 /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
491 ((float) (tile->numcomps
492 * (tile->x1 - tile->x0)
493 * (tile->y1 - tile->y0)
494 * image->comps[0].prec))/
495 (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
499 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
500 tcp->rates[j] = tcp->rates[j - 1] + 20;
502 if (!j && tcp->rates[j] < 30)
507 /* << Modification of the RATE */
509 /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
510 for (compno = 0; compno < tile->numcomps; compno++) {
511 opj_tccp_t *tccp = &tcp->tccps[compno];
513 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
515 /* border of each tile component (global) */
516 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
517 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
518 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
519 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
521 tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
522 tilec->numresolutions = tccp->numresolutions;
523 /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
524 for (resno = 0; resno < tilec->numresolutions; resno++) {
527 int levelno = tilec->numresolutions - 1 - resno;
528 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
529 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
530 int cbgwidthexpn, cbgheightexpn;
531 int cblkwidthexpn, cblkheightexpn;
533 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
535 /* border for each resolution level (global) */
536 res->x0 = int_ceildivpow2(tilec->x0, levelno);
537 res->y0 = int_ceildivpow2(tilec->y0, levelno);
538 res->x1 = int_ceildivpow2(tilec->x1, levelno);
539 res->y1 = int_ceildivpow2(tilec->y1, levelno);
540 res->numbands = resno == 0 ? 1 : 3;
542 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
543 if (tccp->csty & J2K_CCP_CSTY_PRT) {
544 pdx = tccp->prcw[resno];
545 pdy = tccp->prch[resno];
550 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
551 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
552 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
553 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
554 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
556 res->pw = (brprcxend - tlprcxstart) >> pdx;
557 res->ph = (brprcyend - tlprcystart) >> pdy;
560 tlcbgxstart = tlprcxstart;
561 tlcbgystart = tlprcystart;
562 brcbgxend = brprcxend;
563 brcbgyend = brprcyend;
567 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
568 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
569 brcbgxend = int_ceildivpow2(brprcxend, 1);
570 brcbgyend = int_ceildivpow2(brprcyend, 1);
571 cbgwidthexpn = pdx - 1;
572 cbgheightexpn = pdy - 1;
575 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
576 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
578 for (bandno = 0; bandno < res->numbands; bandno++) {
581 opj_stepsize_t *ss = NULL;
583 opj_tcd_band_t *band = &res->bands[bandno];
585 band->bandno = resno == 0 ? 0 : bandno + 1;
586 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
587 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
589 if (band->bandno == 0) {
591 band->x0 = int_ceildivpow2(tilec->x0, levelno);
592 band->y0 = int_ceildivpow2(tilec->y0, levelno);
593 band->x1 = int_ceildivpow2(tilec->x1, levelno);
594 band->y1 = int_ceildivpow2(tilec->y1, levelno);
596 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
597 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
598 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
599 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
602 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
603 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
604 numbps = image->comps[compno].prec + gain;
605 band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
606 band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
608 for (precno = 0; precno < res->pw * res->ph; precno++) {
609 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
611 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
612 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
613 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
614 int cbgyend = cbgystart + (1 << cbgheightexpn);
616 opj_tcd_precinct_t *prc = &band->precincts[precno];
618 /* precinct size (global) */
619 prc->x0 = int_max(cbgxstart, band->x0);
620 prc->y0 = int_max(cbgystart, band->y0);
621 prc->x1 = int_min(cbgxend, band->x1);
622 prc->y1 = int_min(cbgyend, band->y1);
624 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
625 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
626 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
627 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
628 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
629 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
631 opj_free(prc->cblks.enc);
632 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc(prc->cw * prc->ch, sizeof(opj_tcd_cblk_enc_t));
634 if (prc->incltree != NULL) {
635 tgt_destroy(prc->incltree);
637 if (prc->imsbtree != NULL) {
638 tgt_destroy(prc->imsbtree);
641 prc->incltree = tgt_create(prc->cw, prc->ch);
642 prc->imsbtree = tgt_create(prc->cw, prc->ch);
644 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
645 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
646 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
647 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
648 int cblkyend = cblkystart + (1 << cblkheightexpn);
650 opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
652 /* code-block size (global) */
653 cblk->x0 = int_max(cblkxstart, prc->x0);
654 cblk->y0 = int_max(cblkystart, prc->y0);
655 cblk->x1 = int_min(cblkxend, prc->x1);
656 cblk->y1 = int_min(cblkyend, prc->y1);
657 cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
658 /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
660 cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
661 cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
669 /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
672 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
673 int i, j, tileno, p, q;
674 unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
677 tcd->tcd_image->tw = cp->tw;
678 tcd->tcd_image->th = cp->th;
679 tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcd_tile_t));
682 Allocate place to store the decoded data = final image
683 Place limited by the tile really present in the codestream
686 for (j = 0; j < cp->tileno_size; j++) {
687 opj_tcd_tile_t *tile;
689 tileno = cp->tileno[j];
690 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
691 tile->numcomps = image->numcomps;
692 tile->comps = (opj_tcd_tilecomp_t*) opj_calloc(image->numcomps, sizeof(opj_tcd_tilecomp_t));
695 for (i = 0; i < image->numcomps; i++) {
696 for (j = 0; j < cp->tileno_size; j++) {
697 opj_tcd_tile_t *tile;
698 opj_tcd_tilecomp_t *tilec;
700 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
702 tileno = cp->tileno[j];
704 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
705 tilec = &tile->comps[i];
707 p = tileno % cp->tw; /* si numerotation matricielle .. */
708 q = tileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
710 /* 4 borders of the tile rescale on the image if necessary */
711 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
712 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
713 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
714 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
716 tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
717 tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
718 tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
719 tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
721 x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
722 y0 = j == 0 ? tilec->y0 : int_min(y0, (unsigned int) tilec->x0);
723 x1 = j == 0 ? tilec->x1 : int_max(x1, (unsigned int) tilec->x1);
724 y1 = j == 0 ? tilec->y1 : int_max(y1, (unsigned int) tilec->y1);
727 w = int_ceildivpow2(x1 - x0, image->comps[i].factor);
728 h = int_ceildivpow2(y1 - y0, image->comps[i].factor);
730 image->comps[i].w = w;
731 image->comps[i].h = h;
732 image->comps[i].x0 = x0;
733 image->comps[i].y0 = y0;
737 void tcd_malloc_decode_tile(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int tileno, opj_codestream_info_t *cstr_info) {
738 int compno, resno, bandno, precno, cblkno;
740 opj_tcd_tile_t *tile;
742 OPJ_ARG_NOT_USED(cstr_info);
746 tcp = &(cp->tcps[cp->tileno[tileno]]);
747 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
749 tileno = cp->tileno[tileno];
751 for (compno = 0; compno < tile->numcomps; compno++) {
752 opj_tccp_t *tccp = &tcp->tccps[compno];
753 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
755 /* border of each tile component (global) */
756 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
757 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
758 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
759 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
761 tilec->numresolutions = tccp->numresolutions;
762 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
764 for (resno = 0; resno < tilec->numresolutions; resno++) {
766 int levelno = tilec->numresolutions - 1 - resno;
767 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
768 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
769 int cbgwidthexpn, cbgheightexpn;
770 int cblkwidthexpn, cblkheightexpn;
772 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
774 /* border for each resolution level (global) */
775 res->x0 = int_ceildivpow2(tilec->x0, levelno);
776 res->y0 = int_ceildivpow2(tilec->y0, levelno);
777 res->x1 = int_ceildivpow2(tilec->x1, levelno);
778 res->y1 = int_ceildivpow2(tilec->y1, levelno);
779 res->numbands = resno == 0 ? 1 : 3;
781 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
782 if (tccp->csty & J2K_CCP_CSTY_PRT) {
783 pdx = tccp->prcw[resno];
784 pdy = tccp->prch[resno];
790 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
791 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
792 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
793 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
794 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
796 res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
797 res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
800 tlcbgxstart = tlprcxstart;
801 tlcbgystart = tlprcystart;
802 brcbgxend = brprcxend;
803 brcbgyend = brprcyend;
807 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
808 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
809 brcbgxend = int_ceildivpow2(brprcxend, 1);
810 brcbgyend = int_ceildivpow2(brprcyend, 1);
811 cbgwidthexpn = pdx - 1;
812 cbgheightexpn = pdy - 1;
815 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
816 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
818 for (bandno = 0; bandno < res->numbands; bandno++) {
821 opj_stepsize_t *ss = NULL;
823 opj_tcd_band_t *band = &res->bands[bandno];
824 band->bandno = resno == 0 ? 0 : bandno + 1;
825 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
826 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
828 if (band->bandno == 0) {
829 /* band border (global) */
830 band->x0 = int_ceildivpow2(tilec->x0, levelno);
831 band->y0 = int_ceildivpow2(tilec->y0, levelno);
832 band->x1 = int_ceildivpow2(tilec->x1, levelno);
833 band->y1 = int_ceildivpow2(tilec->y1, levelno);
835 /* band border (global) */
836 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
837 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
838 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
839 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
842 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
843 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
844 numbps = image->comps[compno].prec + gain;
845 band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn)) * 0.5);
846 band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
848 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
850 for (precno = 0; precno < res->pw * res->ph; precno++) {
851 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
852 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
853 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
854 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
855 int cbgyend = cbgystart + (1 << cbgheightexpn);
857 opj_tcd_precinct_t *prc = &band->precincts[precno];
858 /* precinct size (global) */
859 prc->x0 = int_max(cbgxstart, band->x0);
860 prc->y0 = int_max(cbgystart, band->y0);
861 prc->x1 = int_min(cbgxend, band->x1);
862 prc->y1 = int_min(cbgyend, band->y1);
864 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
865 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
866 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
867 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
868 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
869 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
871 prc->cblks.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_dec_t));
873 prc->incltree = tgt_create(prc->cw, prc->ch);
874 prc->imsbtree = tgt_create(prc->cw, prc->ch);
876 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
877 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
878 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
879 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
880 int cblkyend = cblkystart + (1 << cblkheightexpn);
882 opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
885 /* code-block size (global) */
886 cblk->x0 = int_max(cblkxstart, prc->x0);
887 cblk->y0 = int_max(cblkystart, prc->y0);
888 cblk->x1 = int_min(cblkxend, prc->x1);
889 cblk->y1 = int_min(cblkyend, prc->y1);
896 /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
899 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
900 int compno, resno, bandno, precno, cblkno;
901 int value; /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
902 int matrice[10][10][3];
905 opj_cp_t *cp = tcd->cp;
906 opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
907 opj_tcp_t *tcd_tcp = tcd->tcp;
909 /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
911 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
912 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
913 for (i = 0; i < tcd_tcp->numlayers; i++) {
914 for (j = 0; j < tilec->numresolutions; j++) {
915 for (k = 0; k < 3; k++) {
917 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
918 * (float) (tcd->image->comps[compno].prec / 16.0));
923 for (resno = 0; resno < tilec->numresolutions; resno++) {
924 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
925 for (bandno = 0; bandno < res->numbands; bandno++) {
926 opj_tcd_band_t *band = &res->bands[bandno];
927 for (precno = 0; precno < res->pw * res->ph; precno++) {
928 opj_tcd_precinct_t *prc = &band->precincts[precno];
929 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
930 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
931 opj_tcd_layer_t *layer = &cblk->layers[layno];
933 int imsb = tcd->image->comps[compno].prec - cblk->numbps; /* number of bit-plan equal to zero */
934 /* Correction of the matrix of coefficient to include the IMSB information */
936 value = matrice[layno][resno][bandno];
943 value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
944 if (imsb >= matrice[layno - 1][resno][bandno]) {
945 value -= (imsb - matrice[layno - 1][resno][bandno]);
953 cblk->numpassesinlayers = 0;
956 n = cblk->numpassesinlayers;
957 if (cblk->numpassesinlayers == 0) {
959 n = 3 * value - 2 + cblk->numpassesinlayers;
961 n = cblk->numpassesinlayers;
964 n = 3 * value + cblk->numpassesinlayers;
967 layer->numpasses = n - cblk->numpassesinlayers;
969 if (!layer->numpasses)
972 if (cblk->numpassesinlayers == 0) {
973 layer->len = cblk->passes[n - 1].rate;
974 layer->data = cblk->data;
976 layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
977 layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
980 cblk->numpassesinlayers = n;
988 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
990 for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
991 tcd_makelayer_fixed(tcd, layno, 1);
995 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
996 int compno, resno, bandno, precno, cblkno, passno;
998 opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
1000 tcd_tile->distolayer[layno] = 0; /* fixed_quality */
1002 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1003 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1004 for (resno = 0; resno < tilec->numresolutions; resno++) {
1005 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1006 for (bandno = 0; bandno < res->numbands; bandno++) {
1007 opj_tcd_band_t *band = &res->bands[bandno];
1008 for (precno = 0; precno < res->pw * res->ph; precno++) {
1009 opj_tcd_precinct_t *prc = &band->precincts[precno];
1010 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1011 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
1012 opj_tcd_layer_t *layer = &cblk->layers[layno];
1016 cblk->numpassesinlayers = 0;
1018 n = cblk->numpassesinlayers;
1019 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
1022 opj_tcd_pass_t *pass = &cblk->passes[passno];
1025 dd = pass->distortiondec;
1027 dr = pass->rate - cblk->passes[n - 1].rate;
1028 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
1035 if (dd / dr >= thresh)
1038 layer->numpasses = n - cblk->numpassesinlayers;
1040 if (!layer->numpasses) {
1044 if (cblk->numpassesinlayers == 0) {
1045 layer->len = cblk->passes[n - 1].rate;
1046 layer->data = cblk->data;
1047 layer->disto = cblk->passes[n - 1].distortiondec;
1049 layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
1050 layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
1051 layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
1054 tcd_tile->distolayer[layno] += layer->disto; /* fixed_quality */
1057 cblk->numpassesinlayers = n;
1065 opj_bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1066 int compno, resno, bandno, precno, cblkno, passno, layno;
1068 double cumdisto[100]; /* fixed_quality */
1069 const double K = 1; /* 1.1; fixed_quality */
1072 opj_cp_t *cp = tcd->cp;
1073 opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
1074 opj_tcp_t *tcd_tcp = tcd->tcp;
1079 tcd_tile->numpix = 0; /* fixed_quality */
1081 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1082 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1085 for (resno = 0; resno < tilec->numresolutions; resno++) {
1086 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1088 for (bandno = 0; bandno < res->numbands; bandno++) {
1089 opj_tcd_band_t *band = &res->bands[bandno];
1091 for (precno = 0; precno < res->pw * res->ph; precno++) {
1092 opj_tcd_precinct_t *prc = &band->precincts[precno];
1094 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1095 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
1097 for (passno = 0; passno < cblk->totalpasses; passno++) {
1098 opj_tcd_pass_t *pass = &cblk->passes[passno];
1103 dd = pass->distortiondec;
1105 dr = pass->rate - cblk->passes[passno - 1].rate;
1106 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1112 if (rdslope < min) {
1115 if (rdslope > max) {
1121 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1122 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1128 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1129 * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1130 * ((double)(tilec->numpix));
1135 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
1136 tile_info->numpix = tcd_tile->numpix;
1137 tile_info->distotile = tcd_tile->distotile;
1138 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1141 for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1145 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1146 double goodthresh = 0;
1147 double stable_thresh = 0;
1149 double distotarget; /* fixed_quality */
1152 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1154 /* Don't try to find an optimal threshold but rather take everything not included yet, if
1155 -r xx,yy,zz,0 (disto_alloc == 1 and rates == 0)
1156 -q xx,yy,zz,0 (fixed_quality == 1 and distoratio == 0)
1157 ==> possible to have some lossy layers and the last layer for sure lossless */
1158 if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
1159 opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1162 for (i = 0; i < 128; i++) {
1164 double distoachieved = 0; /* fixed_quality */
1165 thresh = (lo + hi) / 2;
1167 tcd_makelayer(tcd, layno, thresh, 0);
1169 if (cp->fixed_quality) { /* fixed_quality */
1171 l = t2_encode_packets(t2,tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, cstr_info,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,THRESH_CALC, tcd->cur_totnum_tp);
1176 distoachieved = layno == 0 ?
1177 tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1178 if (distoachieved < distotarget) {
1180 stable_thresh = thresh;
1187 distoachieved = (layno == 0) ?
1188 tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1189 if (distoachieved < distotarget) {
1191 stable_thresh = thresh;
1197 l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, cstr_info,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,THRESH_CALC, tcd->cur_totnum_tp);
1198 /* TODO: what to do with l ??? seek / tell ??? */
1199 /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1205 stable_thresh = thresh;
1209 goodthresh = stable_thresh == 0? thresh : stable_thresh;
1220 if(cstr_info) { /* Threshold for Marcela Index */
1221 cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1223 tcd_makelayer(tcd, layno, goodthresh, 1);
1226 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1232 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1234 int l, i, numpacks = 0;
1235 opj_tcd_tile_t *tile = NULL;
1236 opj_tcp_t *tcd_tcp = NULL;
1237 opj_cp_t *cp = NULL;
1239 opj_tcp_t *tcp = &tcd->cp->tcps[0];
1240 opj_tccp_t *tccp = &tcp->tccps[0];
1241 opj_image_t *image = tcd->image;
1243 opj_t1_t *t1 = NULL; /* T1 component */
1244 opj_t2_t *t2 = NULL; /* T2 component */
1246 tcd->tcd_tileno = tileno;
1247 tcd->tcd_tile = tcd->tcd_image->tiles;
1248 tcd->tcp = &tcd->cp->tcps[tileno];
1250 tile = tcd->tcd_tile;
1254 if(tcd->cur_tp_num == 0){
1255 tcd->encoding_time = opj_clock(); /* time needed to encode a tile */
1256 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1258 opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0]; /* based on component 0 */
1259 for (i = 0; i < tilec_idx->numresolutions; i++) {
1260 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1262 cstr_info->tile[tileno].pw[i] = res_idx->pw;
1263 cstr_info->tile[tileno].ph[i] = res_idx->ph;
1265 numpacks += res_idx->pw * res_idx->ph;
1267 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1268 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1270 cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(cstr_info->numcomps * cstr_info->numlayers * numpacks, sizeof(opj_packet_info_t));
1274 /*---------------TILE-------------------*/
1276 for (compno = 0; compno < tile->numcomps; compno++) {
1279 int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1280 int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1281 int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1283 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1284 int tw = tilec->x1 - tilec->x0;
1285 int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1287 /* extract tile data */
1289 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1290 for (y = tilec->y0; y < tilec->y1; y++) {
1291 /* start of the src tile scanline */
1292 int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1293 /* start of the dst tile scanline */
1294 int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1295 for (x = tilec->x0; x < tilec->x1; x++) {
1296 *tile_data++ = *data++ - adjust;
1299 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1300 for (y = tilec->y0; y < tilec->y1; y++) {
1301 /* start of the src tile scanline */
1302 int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1303 /* start of the dst tile scanline */
1304 int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1305 for (x = tilec->x0; x < tilec->x1; x++) {
1306 *tile_data++ = (*data++ - adjust) << 11;
1313 /*----------------MCT-------------------*/
1315 int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1316 if (tcd_tcp->tccps[0].qmfbid == 0) {
1317 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1319 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1323 /*----------------DWT---------------------*/
1325 for (compno = 0; compno < tile->numcomps; compno++) {
1326 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1327 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1329 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1330 dwt_encode_real(tilec);
1334 /*------------------TIER1-----------------*/
1335 t1 = t1_create(tcd->cinfo);
1336 t1_encode_cblks(t1, tile, tcd_tcp);
1339 /*-----------RATE-ALLOCATE------------------*/
1343 cstr_info->index_write = 0;
1345 if (cp->disto_alloc || cp->fixed_quality) { /* fixed_quality */
1346 /* Normal Rate/distortion allocation */
1347 tcd_rateallocate(tcd, dest, len, cstr_info);
1349 /* Fixed layer allocation */
1350 tcd_rateallocate_fixed(tcd);
1353 /*--------------TIER2------------------*/
1357 cstr_info->index_write = 1;
1360 t2 = t2_create(tcd->cinfo, image, cp);
1361 l = t2_encode_packets(t2,tileno, tile, tcd_tcp->numlayers, dest, len, cstr_info,tcd->tp_num,tcd->tp_pos,tcd->cur_pino,FINAL_PASS,tcd->cur_totnum_tp);
1364 /*---------------CLEAN-------------------*/
1367 if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1368 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1369 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1371 /* cleaning memory */
1372 for (compno = 0; compno < tile->numcomps; compno++) {
1373 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1374 opj_aligned_free(tilec->data);
1381 opj_bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
1385 double tile_time, t1_time, dwt_time;
1386 opj_tcd_tile_t *tile = NULL;
1388 opj_t1_t *t1 = NULL; /* T1 component */
1389 opj_t2_t *t2 = NULL; /* T2 component */
1391 tcd->tcd_tileno = tileno;
1392 tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1393 tcd->tcp = &(tcd->cp->tcps[tileno]);
1394 tile = tcd->tcd_tile;
1396 tile_time = opj_clock(); /* time needed to decode a tile */
1397 opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1401 int resno, compno, numprec = 0;
1402 for (compno = 0; compno < cstr_info->numcomps; compno++) {
1403 opj_tcp_t *tcp = &tcd->cp->tcps[0];
1404 opj_tccp_t *tccp = &tcp->tccps[compno];
1405 opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];
1406 for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
1407 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
1408 cstr_info->tile[tileno].pw[resno] = res_idx->pw;
1409 cstr_info->tile[tileno].ph[resno] = res_idx->ph;
1410 numprec += res_idx->pw * res_idx->ph;
1411 if (tccp->csty & J2K_CP_CSTY_PRT) {
1412 cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
1413 cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
1416 cstr_info->tile[tileno].pdx[resno] = 15;
1417 cstr_info->tile[tileno].pdx[resno] = 15;
1421 cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
1422 cstr_info->packno = 0;
1426 /*--------------TIER2------------------*/
1428 t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1429 l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
1434 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1437 /*------------------TIER1-----------------*/
1439 t1_time = opj_clock(); /* time needed to decode a tile */
1440 t1 = t1_create(tcd->cinfo);
1441 for (compno = 0; compno < tile->numcomps; ++compno) {
1442 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1443 /* The +3 is headroom required by the vectorized DWT */
1444 tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0))+3) * sizeof(int));
1445 t1_decode_cblks(t1, tilec, &tcd->tcp->tccps[compno]);
1448 t1_time = opj_clock() - t1_time;
1449 opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1451 /*----------------DWT---------------------*/
1453 dwt_time = opj_clock(); /* time needed to decode a tile */
1454 for (compno = 0; compno < tile->numcomps; compno++) {
1455 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1458 if (tcd->cp->reduce != 0) {
1459 tcd->image->comps[compno].resno_decoded =
1460 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1461 if (tcd->image->comps[compno].resno_decoded < 0) {
1462 opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number "
1463 " of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n", tcd->cp->reduce, tile->comps[compno].numresolutions);
1468 numres2decode = tcd->image->comps[compno].resno_decoded + 1;
1469 if(numres2decode > 0){
1470 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1471 dwt_decode(tilec, numres2decode);
1473 dwt_decode_real(tilec, numres2decode);
1477 dwt_time = opj_clock() - dwt_time;
1478 opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1480 /*----------------MCT-------------------*/
1482 if (tcd->tcp->mct) {
1483 int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1485 if (tile->numcomps >= 3 ){
1486 if (tcd->tcp->tccps[0].qmfbid == 1) {
1488 tile->comps[0].data,
1489 tile->comps[1].data,
1490 tile->comps[2].data,
1494 (float*)tile->comps[0].data,
1495 (float*)tile->comps[1].data,
1496 (float*)tile->comps[2].data,
1500 opj_event_msg(tcd->cinfo, EVT_WARNING,"Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",tile->numcomps);
1504 /*---------------TILE-------------------*/
1506 for (compno = 0; compno < tile->numcomps; ++compno) {
1507 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1508 opj_image_comp_t* imagec = &tcd->image->comps[compno];
1509 opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
1510 int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
1511 int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
1512 int max = imagec->sgnd ? (1 << (imagec->prec - 1)) - 1 : (1 << imagec->prec) - 1;
1514 int tw = tilec->x1 - tilec->x0;
1517 int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
1518 int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
1522 imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int));
1524 if(tcd->tcp->tccps[compno].qmfbid == 1) {
1525 for(j = res->y0; j < res->y1; ++j) {
1526 for(i = res->x0; i < res->x1; ++i) {
1527 int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1529 imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1533 for(j = res->y0; j < res->y1; ++j) {
1534 for(i = res->x0; i < res->x1; ++i) {
1535 float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
1536 int v = lrintf(tmp);
1538 imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1542 opj_aligned_free(tilec->data);
1545 tile_time = opj_clock() - tile_time; /* time needed to decode a tile */
1546 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1555 void tcd_free_decode(opj_tcd_t *tcd) {
1556 opj_tcd_image_t *tcd_image = tcd->tcd_image;
1557 opj_free(tcd_image->tiles);
1560 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1561 int compno,resno,bandno,precno;
1563 opj_tcd_image_t *tcd_image = tcd->tcd_image;
1565 opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1566 for (compno = 0; compno < tile->numcomps; compno++) {
1567 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1568 for (resno = 0; resno < tilec->numresolutions; resno++) {
1569 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1570 for (bandno = 0; bandno < res->numbands; bandno++) {
1571 opj_tcd_band_t *band = &res->bands[bandno];
1572 for (precno = 0; precno < res->ph * res->pw; precno++) {
1573 opj_tcd_precinct_t *prec = &band->precincts[precno];
1574 if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1575 if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1577 opj_free(band->precincts);
1580 opj_free(tilec->resolutions);
1582 opj_free(tile->comps);
1586 opj_bool tcd_init_v2( opj_tcd_v2_t *p_tcd,
1587 opj_image_header_t * p_image_header,
1588 opj_cp_v2_t * p_cp )
1590 OPJ_UINT32 l_tile_comp_size;
1592 p_tcd->image_header = p_image_header;
1594 p_tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
1596 if (! p_tcd->tcd_image->tiles) {
1599 memset(p_tcd->tcd_image->tiles,0, sizeof(opj_tcd_tile_t));
1601 l_tile_comp_size = p_image_header->numcomps * sizeof(opj_tcd_tilecomp_t);
1602 p_tcd->tcd_image->tiles->comps = (opj_tcd_tilecomp_t *) opj_malloc(l_tile_comp_size);
1603 if (! p_tcd->tcd_image->tiles->comps ) {
1606 memset( p_tcd->tcd_image->tiles->comps , 0 , l_tile_comp_size);
1608 p_tcd->tcd_image->tiles->numcomps = p_image_header->numcomps;
1609 p_tcd->tp_pos = p_cp->m_specific_param.m_enc.m_tp_pos;
1615 Destroy a previously created TCD handle
1617 void tcd_destroy_v2(opj_tcd_v2_t *tcd) {
1625 opj_free(tcd->tcd_image);
1626 tcd->tcd_image = 00;
1632 /* ----------------------------------------------------------------------- */
1634 * Initialize the tile coder and may reuse some meory.
1635 * @param p_tcd TCD handle.
1636 * @param p_image raw image.
1637 * @param p_cp coding parameters.
1638 * @param p_tile_no current tile index to encode.
1640 * @return true if the encoding values could be set (false otherwise).
1642 #define MACRO_TCD_ALLOCATE(FUNCTION,TYPE,FRACTION,ELEMENT,FUNCTION_ELEMENT) \
1645 opj_tcd_v2_t *p_tcd, \
1646 OPJ_UINT32 p_tile_no \
1649 OPJ_UINT32 (*l_gain_ptr)(OPJ_UINT32) = 00; \
1650 OPJ_UINT32 compno, resno, bandno, precno, cblkno; \
1651 opj_tcp_v2_t * l_tcp = 00; \
1652 opj_cp_v2_t * l_cp = 00; \
1653 opj_tcd_tile_t * l_tile = 00; \
1654 opj_tccp_t *l_tccp = 00; \
1655 opj_tcd_tilecomp_t *l_tilec = 00; \
1656 opj_image_comp_t * l_image_comp = 00; \
1657 opj_tcd_resolution_t *l_res = 00; \
1658 opj_tcd_band_t *l_band = 00; \
1659 opj_stepsize_t * l_step_size = 00; \
1660 opj_tcd_precinct_t *l_current_precinct = 00; \
1661 TYPE* l_code_block = 00; \
1662 opj_image_header_t * l_image = 00; \
1664 OPJ_UINT32 l_level_no; \
1665 OPJ_UINT32 l_pdx, l_pdy; \
1666 OPJ_UINT32 l_gain; \
1667 OPJ_INT32 l_x0b, l_y0b; \
1668 /* extent of precincts , top left, bottom right**/ \
1669 OPJ_INT32 l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end, l_br_prc_y_end; \
1670 /* number of precinct for a resolution */ \
1671 OPJ_UINT32 l_nb_precincts; \
1672 /* room needed to store l_nb_precinct precinct for a resolution */ \
1673 OPJ_UINT32 l_nb_precinct_size; \
1674 /* number of code blocks for a precinct*/ \
1675 OPJ_UINT32 l_nb_code_blocks; \
1676 /* room needed to store l_nb_code_blocks code blocks for a precinct*/ \
1677 OPJ_UINT32 l_nb_code_blocks_size; \
1678 /* size of data for a tile */ \
1679 OPJ_UINT32 l_data_size; \
1681 l_tcp = &(l_cp->tcps[p_tile_no]); \
1682 l_tile = p_tcd->tcd_image->tiles; \
1683 l_tccp = l_tcp->tccps; \
1684 l_tilec = l_tile->comps; \
1685 l_image = p_tcd->image_header; \
1686 l_image_comp = p_tcd->image_header->comps; \
1688 p = p_tile_no % l_cp->tw; /* tile coordinates */ \
1689 q = p_tile_no / l_cp->tw; \
1691 /* 4 borders of the tile rescale on the image if necessary */ \
1692 l_tile->x0 = int_max(l_cp->tx0 + p * l_cp->tdx, l_image->x0); \
1693 l_tile->y0 = int_max(l_cp->ty0 + q * l_cp->tdy, l_image->y0); \
1694 l_tile->x1 = int_min(l_cp->tx0 + (p + 1) * l_cp->tdx, l_image->x1); \
1695 l_tile->y1 = int_min(l_cp->ty0 + (q + 1) * l_cp->tdy, l_image->y1); \
1696 /*tile->numcomps = image->numcomps; */ \
1698 (compno = 0; compno < l_tile->numcomps; ++compno) \
1700 /* border of each l_tile component (global) */ \
1701 l_tilec->x0 = int_ceildiv(l_tile->x0, l_image_comp->dx); \
1702 l_tilec->y0 = int_ceildiv(l_tile->y0, l_image_comp->dy); \
1703 l_tilec->x1 = int_ceildiv(l_tile->x1, l_image_comp->dx); \
1704 l_tilec->y1 = int_ceildiv(l_tile->y1, l_image_comp->dy); \
1706 l_data_size = (l_tilec->x1 - l_tilec->x0) \
1707 * (l_tilec->y1 - l_tilec->y0) * sizeof(OPJ_UINT32 ); \
1708 l_tilec->numresolutions = l_tccp->numresolutions; \
1710 (l_tccp->numresolutions < l_cp->m_specific_param.m_dec.m_reduce)\
1712 l_tilec->minimum_num_resolutions = 1; \
1716 l_tilec->minimum_num_resolutions = l_tccp->numresolutions - l_cp->m_specific_param.m_dec.m_reduce;\
1719 (l_tilec->data == 00) \
1721 l_tilec->data = (OPJ_INT32 *) opj_aligned_malloc(l_data_size); \
1723 (! l_tilec->data ) \
1727 l_tilec->data_size = l_data_size; \
1730 (l_data_size > l_tilec->data_size) \
1732 l_tilec->data = (OPJ_INT32 *) opj_realloc(l_tilec->data, l_data_size);\
1738 l_tilec->data_size = l_data_size; \
1740 l_data_size = l_tilec->numresolutions * sizeof(opj_tcd_resolution_t);\
1742 (l_tilec->resolutions == 00) \
1744 l_tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(l_data_size);\
1746 (! l_tilec->resolutions ) \
1750 l_tilec->resolutions_size = l_data_size; \
1751 memset(l_tilec->resolutions,0,l_data_size); \
1754 (l_data_size > l_tilec->resolutions_size) \
1756 l_tilec->resolutions = (opj_tcd_resolution_t *) opj_realloc(l_tilec->resolutions, l_data_size);\
1758 (! l_tilec->resolutions) \
1762 memset(((OPJ_BYTE*) l_tilec->resolutions)+l_tilec->resolutions_size,0,l_data_size - l_tilec->resolutions_size);\
1763 l_tilec->resolutions_size = l_data_size; \
1765 l_level_no = l_tilec->numresolutions - 1; \
1766 l_res = l_tilec->resolutions; \
1767 l_step_size = l_tccp->stepsizes; \
1769 (l_tccp->qmfbid == 0) \
1771 l_gain_ptr = &dwt_getgain_real; \
1775 l_gain_ptr = &dwt_getgain; \
1778 (resno = 0; resno < l_tilec->numresolutions; ++resno) \
1780 OPJ_INT32 tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend; \
1781 OPJ_UINT32 cbgwidthexpn, cbgheightexpn; \
1782 OPJ_UINT32 cblkwidthexpn, cblkheightexpn; \
1783 /* border for each resolution level (global) */ \
1784 l_res->x0 = int_ceildivpow2(l_tilec->x0, l_level_no); \
1785 l_res->y0 = int_ceildivpow2(l_tilec->y0, l_level_no); \
1786 l_res->x1 = int_ceildivpow2(l_tilec->x1, l_level_no); \
1787 l_res->y1 = int_ceildivpow2(l_tilec->y1, l_level_no); \
1788 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */\
1789 l_pdx = l_tccp->prcw[resno]; \
1790 l_pdy = l_tccp->prch[resno]; \
1791 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */ \
1792 l_tl_prc_x_start = int_floordivpow2(l_res->x0, l_pdx) << l_pdx; \
1793 l_tl_prc_y_start = int_floordivpow2(l_res->y0, l_pdy) << l_pdy; \
1794 l_br_prc_x_end = int_ceildivpow2(l_res->x1, l_pdx) << l_pdx; \
1795 l_br_prc_y_end = int_ceildivpow2(l_res->y1, l_pdy) << l_pdy; \
1797 l_res->pw = (l_res->x0 == l_res->x1) ? 0 : ((l_br_prc_x_end - l_tl_prc_x_start) >> l_pdx);\
1798 l_res->ph = (l_res->y0 == l_res->y1) ? 0 : ((l_br_prc_y_end - l_tl_prc_y_start) >> l_pdy);\
1799 l_nb_precincts = l_res->pw * l_res->ph; \
1800 l_nb_precinct_size = l_nb_precincts * sizeof(opj_tcd_precinct_t);\
1804 tlcbgxstart = l_tl_prc_x_start; \
1805 tlcbgystart = l_tl_prc_y_start; \
1806 brcbgxend = l_br_prc_x_end; \
1807 brcbgyend = l_br_prc_y_end; \
1808 cbgwidthexpn = l_pdx; \
1809 cbgheightexpn = l_pdy; \
1810 l_res->numbands = 1; \
1814 tlcbgxstart = int_ceildivpow2(l_tl_prc_x_start, 1); \
1815 tlcbgystart = int_ceildivpow2(l_tl_prc_y_start, 1); \
1816 brcbgxend = int_ceildivpow2(l_br_prc_x_end, 1); \
1817 brcbgyend = int_ceildivpow2(l_br_prc_y_end, 1); \
1818 cbgwidthexpn = l_pdx - 1; \
1819 cbgheightexpn = l_pdy - 1; \
1820 l_res->numbands = 3; \
1823 cblkwidthexpn = uint_min(l_tccp->cblkw, cbgwidthexpn); \
1824 cblkheightexpn = uint_min(l_tccp->cblkh, cbgheightexpn); \
1825 l_band = l_res->bands; \
1827 (bandno = 0; bandno < l_res->numbands; ++bandno) \
1833 l_band->bandno = 0 ; \
1834 l_band->x0 = int_ceildivpow2(l_tilec->x0, l_level_no); \
1835 l_band->y0 = int_ceildivpow2(l_tilec->y0, l_level_no); \
1836 l_band->x1 = int_ceildivpow2(l_tilec->x1, l_level_no); \
1837 l_band->y1 = int_ceildivpow2(l_tilec->y1, l_level_no); \
1841 l_band->bandno = bandno + 1; \
1842 /* x0b = 1 if bandno = 1 or 3 */ \
1843 l_x0b = l_band->bandno&1; \
1844 /* y0b = 1 if bandno = 2 or 3 */ \
1845 l_y0b = (l_band->bandno)>>1; \
1846 /* l_band border (global) */ \
1847 l_band->x0 = int_ceildivpow2(l_tilec->x0 - (1 << l_level_no) * l_x0b, l_level_no + 1);\
1848 l_band->y0 = int_ceildivpow2(l_tilec->y0 - (1 << l_level_no) * l_y0b, l_level_no + 1);\
1849 l_band->x1 = int_ceildivpow2(l_tilec->x1 - (1 << l_level_no) * l_x0b, l_level_no + 1);\
1850 l_band->y1 = int_ceildivpow2(l_tilec->y1 - (1 << l_level_no) * l_y0b, l_level_no + 1);\
1852 /** avoid an if with storing function pointer */ \
1853 l_gain = (*l_gain_ptr) (l_band->bandno); \
1854 numbps = l_image_comp->prec + l_gain; \
1855 l_band->stepsize = (OPJ_FLOAT32)(((1.0 + l_step_size->mant / 2048.0) * pow(2.0, (OPJ_INT32) (numbps - l_step_size->expn)))) * FRACTION;\
1856 l_band->numbps = l_step_size->expn + l_tccp->numgbits - 1; /* WHY -1 ? */\
1858 (! l_band->precincts) \
1860 l_band->precincts = (opj_tcd_precinct_t *) opj_malloc(/*3 * */ l_nb_precinct_size);\
1862 (! l_band->precincts) \
1866 memset(l_band->precincts,0,l_nb_precinct_size); \
1867 l_band->precincts_data_size = l_nb_precinct_size; \
1870 (l_band->precincts_data_size < l_nb_precinct_size) \
1872 l_band->precincts = (opj_tcd_precinct_t *) opj_realloc(l_band->precincts,/*3 * */ l_nb_precinct_size);\
1874 (! l_band->precincts) \
1878 memset(((OPJ_BYTE *) l_band->precincts) + l_band->precincts_data_size,0,l_nb_precinct_size - l_band->precincts_data_size);\
1879 l_band->precincts_data_size = l_nb_precinct_size; \
1881 l_current_precinct = l_band->precincts; \
1883 (precno = 0; precno < l_nb_precincts; ++precno) \
1885 OPJ_INT32 tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend; \
1886 OPJ_INT32 cbgxstart = tlcbgxstart + (precno % l_res->pw) * (1 << cbgwidthexpn);\
1887 OPJ_INT32 cbgystart = tlcbgystart + (precno / l_res->pw) * (1 << cbgheightexpn);\
1888 OPJ_INT32 cbgxend = cbgxstart + (1 << cbgwidthexpn); \
1889 OPJ_INT32 cbgyend = cbgystart + (1 << cbgheightexpn); \
1890 /* precinct size (global) */ \
1891 l_current_precinct->x0 = int_max(cbgxstart, l_band->x0);\
1892 l_current_precinct->y0 = int_max(cbgystart, l_band->y0);\
1893 l_current_precinct->x1 = int_min(cbgxend, l_band->x1); \
1894 l_current_precinct->y1 = int_min(cbgyend, l_band->y1); \
1895 tlcblkxstart = int_floordivpow2(l_current_precinct->x0, cblkwidthexpn) << cblkwidthexpn;\
1896 tlcblkystart = int_floordivpow2(l_current_precinct->y0, cblkheightexpn) << cblkheightexpn;\
1897 brcblkxend = int_ceildivpow2(l_current_precinct->x1, cblkwidthexpn) << cblkwidthexpn;\
1898 brcblkyend = int_ceildivpow2(l_current_precinct->y1, cblkheightexpn) << cblkheightexpn;\
1899 l_current_precinct->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;\
1900 l_current_precinct->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;\
1901 l_nb_code_blocks = l_current_precinct->cw * l_current_precinct->ch;\
1902 l_nb_code_blocks_size = l_nb_code_blocks * sizeof(TYPE);\
1904 (! l_current_precinct->cblks.ELEMENT) \
1906 l_current_precinct->cblks.ELEMENT = (TYPE*) opj_malloc(l_nb_code_blocks_size);\
1908 (! l_current_precinct->cblks.ELEMENT ) \
1912 memset(l_current_precinct->cblks.ELEMENT,0,l_nb_code_blocks_size);\
1913 l_current_precinct->block_size = l_nb_code_blocks_size;\
1916 (l_nb_code_blocks_size > l_current_precinct->block_size)\
1918 l_current_precinct->cblks.ELEMENT = (TYPE*) \
1919 opj_realloc(l_current_precinct->cblks.ELEMENT, l_nb_code_blocks_size);\
1921 (! l_current_precinct->cblks.ELEMENT ) \
1925 memset(((OPJ_BYTE *) l_current_precinct->cblks.ELEMENT) + l_current_precinct->block_size\
1927 ,l_nb_code_blocks_size - l_current_precinct->block_size);\
1928 l_current_precinct->block_size = l_nb_code_blocks_size;\
1931 (! l_current_precinct->incltree) \
1933 l_current_precinct->incltree = tgt_create(l_current_precinct->cw,\
1934 l_current_precinct->ch);\
1938 l_current_precinct->incltree = tgt_init(l_current_precinct->incltree,\
1939 l_current_precinct->cw, \
1940 l_current_precinct->ch);\
1943 (! l_current_precinct->incltree) \
1948 (! l_current_precinct->imsbtree) \
1950 l_current_precinct->imsbtree = tgt_create( \
1951 l_current_precinct->cw,\
1952 l_current_precinct->ch);\
1956 l_current_precinct->imsbtree = tgt_init( \
1957 l_current_precinct->imsbtree,\
1958 l_current_precinct->cw,\
1959 l_current_precinct->ch);\
1962 (! l_current_precinct->imsbtree) \
1966 l_code_block = l_current_precinct->cblks.ELEMENT; \
1968 (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) \
1970 OPJ_INT32 cblkxstart = tlcblkxstart + (cblkno % l_current_precinct->cw) * (1 << cblkwidthexpn);\
1971 OPJ_INT32 cblkystart = tlcblkystart + (cblkno / l_current_precinct->cw) * (1 << cblkheightexpn);\
1972 OPJ_INT32 cblkxend = cblkxstart + (1 << cblkwidthexpn); \
1973 OPJ_INT32 cblkyend = cblkystart + (1 << cblkheightexpn); \
1974 /* code-block size (global) */ \
1975 l_code_block->x0 = int_max(cblkxstart, l_current_precinct->x0);\
1976 l_code_block->y0 = int_max(cblkystart, l_current_precinct->y0);\
1977 l_code_block->x1 = int_min(cblkxend, l_current_precinct->x1);\
1978 l_code_block->y1 = int_min(cblkyend, l_current_precinct->y1);\
1980 (! FUNCTION_ELEMENT(l_code_block)) \
1986 ++l_current_precinct; \
2001 // V2 ENCODE MACRO_TCD_ALLOCATE(tcd_init_encode_tile,opj_tcd_cblk_enc_t,1.f,enc,tcd_code_block_enc_allocate)
2002 MACRO_TCD_ALLOCATE(tcd_init_decode_tile,opj_tcd_cblk_dec_t,0.5f,dec,tcd_code_block_dec_allocate)
2004 #undef MACRO_TCD_ALLOCATE
2007 OPJ_UINT32 tcd_get_decoded_tile_size (
2012 OPJ_UINT32 l_data_size = 0;
2013 opj_image_comp_header_t * l_img_comp = 00;
2014 opj_tcd_tilecomp_t * l_tile_comp = 00;
2015 opj_tcd_resolution_t * l_res = 00;
2016 OPJ_UINT32 l_size_comp, l_remaining;
2018 l_tile_comp = p_tcd->tcd_image->tiles->comps;
2019 l_img_comp = p_tcd->image_header->comps;
2021 (i=0;i<p_tcd->image_header->numcomps;++i)
2023 l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
2024 l_remaining = l_img_comp->prec & 7; /* (%8) */
2035 l_res = l_tile_comp->resolutions + l_tile_comp->minimum_num_resolutions - 1;
2036 l_data_size += l_size_comp * (l_res->x1 - l_res->x0) * (l_res->y1 - l_res->y0);
2044 opj_bool tcd_decode_tile_v2(
2045 opj_tcd_v2_t *p_tcd,
2047 OPJ_UINT32 p_max_length,
2048 OPJ_UINT32 p_tile_no,
2049 opj_codestream_info_t *p_cstr_info)
2051 OPJ_UINT32 l_data_read;
2052 p_tcd->tcd_tileno = p_tile_no;
2053 p_tcd->tcp = &(p_tcd->cp->tcps[p_tile_no]);
2057 OPJ_UINT32 resno, compno, numprec = 0;
2058 for (compno = 0; compno < (OPJ_UINT32) p_cstr_info->numcomps; compno++) {
2059 opj_tcp_v2_t *tcp = &p_tcd->cp->tcps[0];
2060 opj_tccp_t *tccp = &tcp->tccps[compno];
2061 opj_tcd_tilecomp_t *tilec_idx = &p_tcd->tcd_image->tiles->comps[compno];
2062 for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
2063 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
2064 p_cstr_info->tile[p_tile_no].pw[resno] = res_idx->pw;
2065 p_cstr_info->tile[p_tile_no].ph[resno] = res_idx->ph;
2066 numprec += res_idx->pw * res_idx->ph;
2067 p_cstr_info->tile[p_tile_no].pdx[resno] = tccp->prcw[resno];
2068 p_cstr_info->tile[p_tile_no].pdy[resno] = tccp->prch[resno];
2071 p_cstr_info->tile[p_tile_no].packet = (opj_packet_info_t *) opj_malloc(p_cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
2072 p_cstr_info->packno = 0;
2076 /*--------------TIER2------------------*/
2077 // FIXME _ProfStart(PGROUP_T2);
2080 (! tcd_t2_decode(p_tcd,p_src,&l_data_read,p_max_length,p_cstr_info))
2084 // FIXME _ProfStop(PGROUP_T2);
2086 /*------------------TIER1-----------------*/
2088 // FIXME _ProfStart(PGROUP_T1);
2090 (! tcd_t1_decode(p_tcd))
2094 // FIXME _ProfStop(PGROUP_T1);
2096 /*----------------DWT---------------------*/
2098 // FIXME _ProfStart(PGROUP_DWT);
2100 (! tcd_dwt_decode(p_tcd))
2104 // FIXME _ProfStop(PGROUP_DWT);
2106 /*----------------MCT-------------------*/
2107 // FIXME _ProfStart(PGROUP_MCT);
2109 (! tcd_mct_decode(p_tcd))
2113 // FIXME _ProfStop(PGROUP_MCT);
2115 // FIXME _ProfStart(PGROUP_DC_SHIFT);
2117 (! tcd_dc_level_shift_decode(p_tcd))
2121 // FIXME _ProfStop(PGROUP_DC_SHIFT);
2124 /*---------------TILE-------------------*/
2128 opj_bool tcd_update_tile_data (
2129 opj_tcd_v2_t *p_tcd,
2131 OPJ_UINT32 p_dest_length
2134 OPJ_UINT32 i,j,k,l_data_size = 0;
2135 opj_image_comp_header_t * l_img_comp = 00;
2136 opj_tcd_tilecomp_t * l_tilec = 00;
2137 opj_tcd_resolution_t * l_res;
2138 OPJ_UINT32 l_size_comp, l_remaining;
2139 OPJ_UINT32 l_stride, l_width,l_height;
2141 l_data_size = tcd_get_decoded_tile_size(p_tcd);
2143 (l_data_size > p_dest_length)
2148 l_tilec = p_tcd->tcd_image->tiles->comps;
2149 l_img_comp = p_tcd->image_header->comps;
2151 (i=0;i<p_tcd->image_header->numcomps;++i)
2153 l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
2154 l_remaining = l_img_comp->prec & 7; /* (%8) */
2155 l_res = l_tilec->resolutions + l_img_comp->resno_decoded;
2156 l_width = (l_res->x1 - l_res->x0);
2157 l_height = (l_res->y1 - l_res->y0);
2158 l_stride = (l_tilec->x1 - l_tilec->x0) - l_width;
2174 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR *) p_dest;
2175 const OPJ_INT32 * l_src_ptr = l_tilec->data;
2180 (j=0;j<l_height;++j)
2185 *(l_dest_ptr++) = (OPJ_CHAR) (*(l_src_ptr++));
2187 l_src_ptr += l_stride;
2193 (j=0;j<l_height;++j)
2198 *(l_dest_ptr++) = (OPJ_BYTE) ((*(l_src_ptr++))&0xff);
2200 l_src_ptr += l_stride;
2203 p_dest = (OPJ_BYTE *)l_dest_ptr;
2209 const OPJ_INT32 * l_src_ptr = l_tilec->data;
2210 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_dest;
2215 (j=0;j<l_height;++j)
2220 *(l_dest_ptr++) = (OPJ_INT16) (*(l_src_ptr++));
2222 l_src_ptr += l_stride;
2228 (j=0;j<l_height;++j)
2233 *(l_dest_ptr++) = (OPJ_UINT16) ((*(l_src_ptr++))&0xffff);
2235 l_src_ptr += l_stride;
2238 p_dest = (OPJ_BYTE*) l_dest_ptr;
2243 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_dest;
2244 OPJ_INT32 * l_src_ptr = l_tilec->data;
2246 (j=0;j<l_height;++j)
2251 *(l_dest_ptr++) = (*(l_src_ptr++));
2253 l_src_ptr += l_stride;
2255 p_dest = (OPJ_BYTE*) l_dest_ptr;
2268 void tcd_free_tile(opj_tcd_v2_t *p_tcd)
2270 OPJ_UINT32 compno, resno, bandno, precno;
2271 opj_tcd_tile_t *l_tile = 00;
2272 opj_tcd_tilecomp_t *l_tile_comp = 00;
2273 opj_tcd_resolution_t *l_res = 00;
2274 opj_tcd_band_t *l_band = 00;
2275 opj_tcd_precinct_t *l_precinct = 00;
2276 OPJ_UINT32 l_nb_resolutions, l_nb_precincts;
2277 void (* l_tcd_code_block_deallocate) (opj_tcd_precinct_t *) = 00;
2285 (! p_tcd->tcd_image)
2290 (p_tcd->m_is_decoder)
2292 l_tcd_code_block_deallocate = tcd_code_block_dec_deallocate;
2296 // FIXME l_tcd_code_block_deallocate = tcd_code_block_enc_deallocate;
2300 l_tile = p_tcd->tcd_image->tiles;
2306 l_tile_comp = l_tile->comps;
2309 (compno = 0; compno < l_tile->numcomps; ++compno)
2311 l_res = l_tile_comp->resolutions;
2315 l_nb_resolutions = l_tile_comp->resolutions_size / sizeof(opj_tcd_resolution_t);
2317 (resno = 0; resno < l_nb_resolutions; ++resno)
2319 l_band = l_res->bands;
2321 (bandno = 0; bandno < 3; ++bandno)
2323 l_precinct = l_band->precincts;
2327 l_nb_precincts = l_band->precincts_data_size / sizeof(opj_tcd_precinct_t);
2329 (precno = 0; precno < l_nb_precincts; ++precno)
2331 tgt_destroy(l_precinct->incltree);
2332 l_precinct->incltree = 00;
2333 tgt_destroy(l_precinct->imsbtree);
2334 l_precinct->imsbtree = 00;
2335 (*l_tcd_code_block_deallocate) (l_precinct);
2338 opj_free(l_band->precincts);
2339 l_band->precincts = 00;
2345 opj_free(l_tile_comp->resolutions);
2346 l_tile_comp->resolutions = 00;
2351 opj_aligned_free(l_tile_comp->data);
2352 l_tile_comp->data = 00;
2356 opj_free(l_tile->comps);
2358 opj_free(p_tcd->tcd_image->tiles);
2359 p_tcd->tcd_image->tiles = 00;
2364 * Allocates memory for a decoding code block.
2366 opj_bool tcd_code_block_dec_allocate (opj_tcd_cblk_dec_t * p_code_block)
2368 OPJ_UINT32 l_seg_size;
2371 (! p_code_block->data)
2373 p_code_block->data = (OPJ_BYTE*) opj_malloc(8192);
2375 (! p_code_block->data)
2379 l_seg_size = J2K_DEFAULT_NB_SEGS * sizeof(opj_tcd_seg_t);
2380 p_code_block->segs = (opj_tcd_seg_t *) opj_malloc(l_seg_size);
2382 (! p_code_block->segs)
2386 memset(p_code_block->segs,0,l_seg_size);
2387 p_code_block->m_current_max_segs = J2K_DEFAULT_NB_SEGS;
2390 //p_code_block->numsegs = 0;
2394 opj_bool tcd_t2_decode (
2395 opj_tcd_v2_t *p_tcd,
2396 OPJ_BYTE * p_src_data,
2397 OPJ_UINT32 * p_data_read,
2398 OPJ_UINT32 p_max_src_size,
2399 opj_codestream_info_t *p_cstr_info
2404 l_t2 = t2_create_v2(p_tcd->image_header, p_tcd->cp);
2412 (! t2_decode_packets_v2(
2415 p_tcd->tcd_image->tiles,
2421 t2_destroy_v2(l_t2);
2424 t2_destroy_v2(l_t2);
2426 /*---------------CLEAN-------------------*/
2430 opj_bool tcd_t1_decode (
2436 opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
2437 opj_tcd_tilecomp_t* l_tile_comp = l_tile->comps;
2438 opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
2441 l_t1 = t1_create_v2();
2448 (compno = 0; compno < l_tile->numcomps; ++compno)
2450 /* The +3 is headroom required by the vectorized DWT */
2451 t1_decode_cblks(l_t1, l_tile_comp, l_tccp);
2455 t1_destroy_v2(l_t1);
2460 opj_bool tcd_dwt_decode (
2465 opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
2466 opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
2467 opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
2468 opj_image_comp_header_t * l_img_comp = p_tcd->image_header->comps;
2471 (compno = 0; compno < l_tile->numcomps; compno++)
2474 if (tcd->cp->reduce != 0) {
2475 tcd->image->comps[compno].resno_decoded =
2476 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
2477 if (tcd->image->comps[compno].resno_decoded < 0)
2482 numres2decode = tcd->image->comps[compno].resno_decoded + 1;
2483 if(numres2decode > 0){
2486 (l_tccp->qmfbid == 1)
2489 (! dwt_decode(l_tile_comp, l_img_comp->resno_decoded+1))
2497 (! dwt_decode_real(l_tile_comp, l_img_comp->resno_decoded+1))
2508 opj_bool tcd_mct_decode (
2512 opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
2513 opj_tcp_v2_t * l_tcp = p_tcd->tcp;
2514 opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
2515 OPJ_UINT32 l_samples,i;
2522 l_samples = (l_tile_comp->x1 - l_tile_comp->x0) * (l_tile_comp->y1 - l_tile_comp->y0);
2528 (! l_tcp->m_mct_decoding_matrix)
2532 l_data = (OPJ_BYTE **) opj_malloc(l_tile->numcomps*sizeof(OPJ_BYTE*));
2539 (i=0;i<l_tile->numcomps;++i)
2541 l_data[i] = (OPJ_BYTE*) l_tile_comp->data;
2545 (! mct_decode_custom( // MCT data
2546 (OPJ_BYTE*) l_tcp->m_mct_decoding_matrix,
2547 // size of components
2551 // nb of components (i.e. size of pData)
2553 // tells if the data is signed
2554 p_tcd->image_header->comps->sgnd))
2564 (l_tcp->tccps->qmfbid == 1)
2567 l_tile->comps[0].data,
2568 l_tile->comps[1].data,
2569 l_tile->comps[2].data,
2575 (float*)l_tile->comps[0].data,
2576 (float*)l_tile->comps[1].data,
2577 (float*)l_tile->comps[2].data,
2585 opj_bool tcd_dc_level_shift_decode (
2590 opj_tcd_tilecomp_t * l_tile_comp = 00;
2591 opj_tccp_t * l_tccp = 00;
2592 opj_image_comp_header_t * l_img_comp = 00;
2593 opj_tcd_resolution_t* l_res = 00;
2594 opj_tcp_v2_t * l_tcp = 00;
2595 opj_tcd_tile_t * l_tile;
2596 OPJ_UINT32 l_width,l_height,i,j;
2597 OPJ_INT32 * l_current_ptr;
2598 OPJ_INT32 l_min, l_max;
2599 OPJ_UINT32 l_stride;
2601 l_tile = p_tcd->tcd_image->tiles;
2602 l_tile_comp = l_tile->comps;
2604 l_tccp = p_tcd->tcp->tccps;
2605 l_img_comp = p_tcd->image_header->comps;
2608 (compno = 0; compno < l_tile->numcomps; compno++)
2610 l_res = l_tile_comp->resolutions + l_img_comp->resno_decoded;
2611 l_width = (l_res->x1 - l_res->x0);
2612 l_height = (l_res->y1 - l_res->y0);
2613 l_stride = (l_tile_comp->x1 - l_tile_comp->x0) - l_width;
2617 l_min = -(1 << (l_img_comp->prec - 1));
2618 l_max = (1 << (l_img_comp->prec - 1)) - 1;
2623 l_max = (1 << l_img_comp->prec) - 1;
2625 l_current_ptr = l_tile_comp->data;
2627 (l_tccp->qmfbid == 1)
2630 (j=0;j<l_height;++j)
2633 (i = 0; i < l_width; ++i)
2635 *l_current_ptr = int_clamp(*l_current_ptr + l_tccp->m_dc_level_shift, l_min, l_max);
2638 l_current_ptr += l_stride;
2644 (j=0;j<l_height;++j)
2647 (i = 0; i < l_width; ++i)
2649 OPJ_FLOAT32 l_value = *((OPJ_FLOAT32 *) l_current_ptr);
2650 *l_current_ptr = int_clamp(lrintf(l_value) + l_tccp->m_dc_level_shift, l_min, l_max); ;
2653 l_current_ptr += l_stride;
2666 * Deallocates the encoding data of the given precinct.
2668 void tcd_code_block_dec_deallocate (opj_tcd_precinct_t * p_precinct)
2670 OPJ_UINT32 cblkno , l_nb_code_blocks;
2672 opj_tcd_cblk_dec_t * l_code_block = p_precinct->cblks.dec;
2676 l_nb_code_blocks = p_precinct->block_size / sizeof(opj_tcd_cblk_dec_t);
2678 (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno)
2681 (l_code_block->data)
2683 opj_free(l_code_block->data);
2684 l_code_block->data = 00;
2687 (l_code_block->segs)
2689 opj_free(l_code_block->segs );
2690 l_code_block->segs = 00;
2694 opj_free(p_precinct->cblks.dec);
2695 p_precinct->cblks.dec = 00;