1 /*
2 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3 * Copyright (c) 2002-2007, Professor Benoit Macq
4 * Copyright (c) 2001-2003, David Janssens
5 * Copyright (c) 2002-2003, Yannick Verschueren
6 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
7 * Copyright (c) 2005, Herve Drolon, FreeImage Team
8 * Copyright (c) 2006-2007, Parvatha Elangovan
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include "opj_includes.h"
34
tcd_dump(FILE * fd,opj_tcd_t * tcd,opj_tcd_image_t * img)35 void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
36 int tileno, compno, resno, bandno, precno;//, cblkno;
37
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);
41
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");
50 fprintf(fd,
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");
56 fprintf(fd,
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");
62 fprintf(fd,
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");
68 fprintf(fd,
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);
71 /*
72 for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
73 opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
74 fprintf(fd, " cblk {\n");
75 fprintf(fd,
76 " x0=%d, y0=%d, x1=%d, y1=%d\n",
77 cblk->x0, cblk->y0, cblk->x1, cblk->y1);
78 fprintf(fd, " }\n");
79 }
80 */
81 fprintf(fd, " }\n");
82 }
83 fprintf(fd, " }\n");
84 }
85 fprintf(fd, " }\n");
86 }
87 fprintf(fd, " }\n");
88 }
89 fprintf(fd, " }\n");
90 }
91 fprintf(fd, "}\n");
92 }
93
94 /* ----------------------------------------------------------------------- */
95
96 /**
97 Create a new TCD handle
98 */
tcd_create(opj_common_ptr cinfo)99 opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
100 /* create the tcd structure */
101 opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
102 if(!tcd) return NULL;
103 tcd->cinfo = cinfo;
104 tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
105 if(!tcd->tcd_image) {
106 opj_free(tcd);
107 return NULL;
108 }
109
110 return tcd;
111 }
112
113 /**
114 Destroy a previously created TCD handle
115 */
tcd_destroy(opj_tcd_t * tcd)116 void tcd_destroy(opj_tcd_t *tcd) {
117 if(tcd) {
118 opj_free(tcd->tcd_image);
119 opj_free(tcd);
120 }
121 }
122
123 /* ----------------------------------------------------------------------- */
124
tcd_malloc_encode(opj_tcd_t * tcd,opj_image_t * image,opj_cp_t * cp,int curtileno)125 void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
126 int tileno, compno, resno, bandno, precno, cblkno;
127
128 tcd->image = image;
129 tcd->cp = cp;
130 tcd->tcd_image->tw = cp->tw;
131 tcd->tcd_image->th = cp->th;
132 tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
133
134 for (tileno = 0; tileno < 1; tileno++) {
135 opj_tcp_t *tcp = &cp->tcps[curtileno];
136 int j;
137
138 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
139 int p = curtileno % cp->tw; /* si numerotation matricielle .. */
140 int q = curtileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
141
142 /* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
143 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
144
145 /* 4 borders of the tile rescale on the image if necessary */
146 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
147 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
148 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
149 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
150 tile->numcomps = image->numcomps;
151 /* tile->PPT=image->PPT; */
152
153 /* Modification of the RATE >> */
154 for (j = 0; j < tcp->numlayers; j++) {
155 tcp->rates[j] = tcp->rates[j] ?
156 cp->tp_on ?
157 (((float) (tile->numcomps
158 * (tile->x1 - tile->x0)
159 * (tile->y1 - tile->y0)
160 * image->comps[0].prec))
161 /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
162 :
163 ((float) (tile->numcomps
164 * (tile->x1 - tile->x0)
165 * (tile->y1 - tile->y0)
166 * image->comps[0].prec))/
167 (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
168 : 0;
169
170 if (tcp->rates[j]) {
171 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
172 tcp->rates[j] = tcp->rates[j - 1] + 20;
173 } else {
174 if (!j && tcp->rates[j] < 30)
175 tcp->rates[j] = 30;
176 }
177
178 if(j == (tcp->numlayers-1)){
179 tcp->rates[j] = tcp->rates[j]- 2;
180 }
181 }
182 }
183 /* << Modification of the RATE */
184
185 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
186 for (compno = 0; compno < tile->numcomps; compno++) {
187 opj_tccp_t *tccp = &tcp->tccps[compno];
188
189 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
190
191 /* border of each tile component (global) */
192 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
193 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
194 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
195 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
196
197 tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
198 tilec->numresolutions = tccp->numresolutions;
199
200 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
201
202 for (resno = 0; resno < tilec->numresolutions; resno++) {
203 int pdx, pdy;
204 int levelno = tilec->numresolutions - 1 - resno;
205 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
206 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
207 int cbgwidthexpn, cbgheightexpn;
208 int cblkwidthexpn, cblkheightexpn;
209
210 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
211
212 /* border for each resolution level (global) */
213 res->x0 = int_ceildivpow2(tilec->x0, levelno);
214 res->y0 = int_ceildivpow2(tilec->y0, levelno);
215 res->x1 = int_ceildivpow2(tilec->x1, levelno);
216 res->y1 = int_ceildivpow2(tilec->y1, levelno);
217
218 res->numbands = resno == 0 ? 1 : 3;
219 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
220 if (tccp->csty & J2K_CCP_CSTY_PRT) {
221 pdx = tccp->prcw[resno];
222 pdy = tccp->prch[resno];
223 } else {
224 pdx = 15;
225 pdy = 15;
226 }
227 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
228 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
229 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
230
231 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
232 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
233
234 res->pw = (brprcxend - tlprcxstart) >> pdx;
235 res->ph = (brprcyend - tlprcystart) >> pdy;
236
237 if (resno == 0) {
238 tlcbgxstart = tlprcxstart;
239 tlcbgystart = tlprcystart;
240 brcbgxend = brprcxend;
241 brcbgyend = brprcyend;
242 cbgwidthexpn = pdx;
243 cbgheightexpn = pdy;
244 } else {
245 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
246 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
247 brcbgxend = int_ceildivpow2(brprcxend, 1);
248 brcbgyend = int_ceildivpow2(brprcyend, 1);
249 cbgwidthexpn = pdx - 1;
250 cbgheightexpn = pdy - 1;
251 }
252
253 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
254 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
255
256 for (bandno = 0; bandno < res->numbands; bandno++) {
257 int x0b, y0b, i;
258 int gain, numbps;
259 opj_stepsize_t *ss = NULL;
260
261 opj_tcd_band_t *band = &res->bands[bandno];
262
263 band->bandno = resno == 0 ? 0 : bandno + 1;
264 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
265 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
266
267 if (band->bandno == 0) {
268 /* band border (global) */
269 band->x0 = int_ceildivpow2(tilec->x0, levelno);
270 band->y0 = int_ceildivpow2(tilec->y0, levelno);
271 band->x1 = int_ceildivpow2(tilec->x1, levelno);
272 band->y1 = int_ceildivpow2(tilec->y1, levelno);
273 } else {
274 /* band border (global) */
275 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
276 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
277 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
278 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
279 }
280
281 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
282 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
283 numbps = image->comps[compno].prec + gain;
284
285 band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
286 band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
287
288 band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_tcd_precinct_t));
289
290 for (i = 0; i < res->pw * res->ph * 3; i++) {
291 band->precincts[i].imsbtree = NULL;
292 band->precincts[i].incltree = NULL;
293 }
294
295 for (precno = 0; precno < res->pw * res->ph; precno++) {
296 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
297
298 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
299 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
300 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
301 int cbgyend = cbgystart + (1 << cbgheightexpn);
302
303 opj_tcd_precinct_t *prc = &band->precincts[precno];
304
305 /* precinct size (global) */
306 prc->x0 = int_max(cbgxstart, band->x0);
307 prc->y0 = int_max(cbgystart, band->y0);
308 prc->x1 = int_min(cbgxend, band->x1);
309 prc->y1 = int_min(cbgyend, band->y1);
310
311 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
312 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
313 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
314 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
315 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
316 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
317
318 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc((prc->cw * prc->ch), sizeof(opj_tcd_cblk_enc_t));
319 prc->incltree = tgt_create(prc->cw, prc->ch);
320 prc->imsbtree = tgt_create(prc->cw, prc->ch);
321
322 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
323 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
324 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
325 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
326 int cblkyend = cblkystart + (1 << cblkheightexpn);
327
328 opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
329
330 /* code-block size (global) */
331 cblk->x0 = int_max(cblkxstart, prc->x0);
332 cblk->y0 = int_max(cblkystart, prc->y0);
333 cblk->x1 = int_min(cblkxend, prc->x1);
334 cblk->y1 = int_min(cblkyend, prc->y1);
335 cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
336 /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
337 cblk->data += 2;
338 cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
339 cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
340 }
341 }
342 }
343 }
344 }
345 }
346
347 /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
348 }
349
tcd_free_encode(opj_tcd_t * tcd)350 void tcd_free_encode(opj_tcd_t *tcd) {
351 int tileno, compno, resno, bandno, precno, cblkno;
352
353 for (tileno = 0; tileno < 1; tileno++) {
354 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
355
356 for (compno = 0; compno < tile->numcomps; compno++) {
357 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
358
359 for (resno = 0; resno < tilec->numresolutions; resno++) {
360 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
361
362 for (bandno = 0; bandno < res->numbands; bandno++) {
363 opj_tcd_band_t *band = &res->bands[bandno];
364
365 for (precno = 0; precno < res->pw * res->ph; precno++) {
366 opj_tcd_precinct_t *prc = &band->precincts[precno];
367
368 if (prc->incltree != NULL) {
369 tgt_destroy(prc->incltree);
370 prc->incltree = NULL;
371 }
372 if (prc->imsbtree != NULL) {
373 tgt_destroy(prc->imsbtree);
374 prc->imsbtree = NULL;
375 }
376 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
377 opj_free(prc->cblks.enc[cblkno].data - 2);
378 opj_free(prc->cblks.enc[cblkno].layers);
379 opj_free(prc->cblks.enc[cblkno].passes);
380 }
381 opj_free(prc->cblks.enc);
382 } /* for (precno */
383 opj_free(band->precincts);
384 band->precincts = NULL;
385 } /* for (bandno */
386 } /* for (resno */
387 opj_free(tilec->resolutions);
388 tilec->resolutions = NULL;
389 } /* for (compno */
390 opj_free(tile->comps);
391 tile->comps = NULL;
392 } /* for (tileno */
393 opj_free(tcd->tcd_image->tiles);
394 tcd->tcd_image->tiles = NULL;
395 }
396
tcd_init_encode(opj_tcd_t * tcd,opj_image_t * image,opj_cp_t * cp,int curtileno)397 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
398 int tileno, compno, resno, bandno, precno, cblkno;
399
400 for (tileno = 0; tileno < 1; tileno++) {
401 opj_tcp_t *tcp = &cp->tcps[curtileno];
402 int j;
403 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
404 int p = curtileno % cp->tw;
405 int q = curtileno / cp->tw;
406
407 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
408
409 /* 4 borders of the tile rescale on the image if necessary */
410 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
411 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
412 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
413 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
414
415 tile->numcomps = image->numcomps;
416 /* tile->PPT=image->PPT; */
417
418 /* Modification of the RATE >> */
419 for (j = 0; j < tcp->numlayers; j++) {
420 tcp->rates[j] = tcp->rates[j] ?
421 cp->tp_on ?
422 (((float) (tile->numcomps
423 * (tile->x1 - tile->x0)
424 * (tile->y1 - tile->y0)
425 * image->comps[0].prec))
426 /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
427 :
428 ((float) (tile->numcomps
429 * (tile->x1 - tile->x0)
430 * (tile->y1 - tile->y0)
431 * image->comps[0].prec))/
432 (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
433 : 0;
434
435 if (tcp->rates[j]) {
436 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
437 tcp->rates[j] = tcp->rates[j - 1] + 20;
438 } else {
439 if (!j && tcp->rates[j] < 30)
440 tcp->rates[j] = 30;
441 }
442 }
443 }
444 /* << Modification of the RATE */
445
446 /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
447 for (compno = 0; compno < tile->numcomps; compno++) {
448 opj_tccp_t *tccp = &tcp->tccps[compno];
449
450 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
451
452 /* border of each tile component (global) */
453 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
454 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
455 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
456 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
457
458 tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
459 tilec->numresolutions = tccp->numresolutions;
460 /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
461 for (resno = 0; resno < tilec->numresolutions; resno++) {
462 int pdx, pdy;
463
464 int levelno = tilec->numresolutions - 1 - resno;
465 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
466 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
467 int cbgwidthexpn, cbgheightexpn;
468 int cblkwidthexpn, cblkheightexpn;
469
470 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
471
472 /* border for each resolution level (global) */
473 res->x0 = int_ceildivpow2(tilec->x0, levelno);
474 res->y0 = int_ceildivpow2(tilec->y0, levelno);
475 res->x1 = int_ceildivpow2(tilec->x1, levelno);
476 res->y1 = int_ceildivpow2(tilec->y1, levelno);
477 res->numbands = resno == 0 ? 1 : 3;
478
479 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
480 if (tccp->csty & J2K_CCP_CSTY_PRT) {
481 pdx = tccp->prcw[resno];
482 pdy = tccp->prch[resno];
483 } else {
484 pdx = 15;
485 pdy = 15;
486 }
487 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
488 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
489 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
490 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
491 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
492
493 res->pw = (brprcxend - tlprcxstart) >> pdx;
494 res->ph = (brprcyend - tlprcystart) >> pdy;
495
496 if (resno == 0) {
497 tlcbgxstart = tlprcxstart;
498 tlcbgystart = tlprcystart;
499 brcbgxend = brprcxend;
500 brcbgyend = brprcyend;
501 cbgwidthexpn = pdx;
502 cbgheightexpn = pdy;
503 } else {
504 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
505 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
506 brcbgxend = int_ceildivpow2(brprcxend, 1);
507 brcbgyend = int_ceildivpow2(brprcyend, 1);
508 cbgwidthexpn = pdx - 1;
509 cbgheightexpn = pdy - 1;
510 }
511
512 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
513 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
514
515 for (bandno = 0; bandno < res->numbands; bandno++) {
516 int x0b, y0b;
517 int gain, numbps;
518 opj_stepsize_t *ss = NULL;
519
520 opj_tcd_band_t *band = &res->bands[bandno];
521
522 band->bandno = resno == 0 ? 0 : bandno + 1;
523 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
524 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
525
526 if (band->bandno == 0) {
527 /* band border */
528 band->x0 = int_ceildivpow2(tilec->x0, levelno);
529 band->y0 = int_ceildivpow2(tilec->y0, levelno);
530 band->x1 = int_ceildivpow2(tilec->x1, levelno);
531 band->y1 = int_ceildivpow2(tilec->y1, levelno);
532 } else {
533 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
534 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
535 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
536 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
537 }
538
539 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
540 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
541 numbps = image->comps[compno].prec + gain;
542 band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
543 band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
544
545 for (precno = 0; precno < res->pw * res->ph; precno++) {
546 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
547
548 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
549 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
550 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
551 int cbgyend = cbgystart + (1 << cbgheightexpn);
552
553 opj_tcd_precinct_t *prc = &band->precincts[precno];
554
555 /* precinct size (global) */
556 prc->x0 = int_max(cbgxstart, band->x0);
557 prc->y0 = int_max(cbgystart, band->y0);
558 prc->x1 = int_min(cbgxend, band->x1);
559 prc->y1 = int_min(cbgyend, band->y1);
560
561 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
562 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
563 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
564 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
565 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
566 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
567
568 opj_free(prc->cblks.enc);
569 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc(prc->cw * prc->ch, sizeof(opj_tcd_cblk_enc_t));
570
571 if (prc->incltree != NULL) {
572 tgt_destroy(prc->incltree);
573 }
574 if (prc->imsbtree != NULL) {
575 tgt_destroy(prc->imsbtree);
576 }
577
578 prc->incltree = tgt_create(prc->cw, prc->ch);
579 prc->imsbtree = tgt_create(prc->cw, prc->ch);
580
581 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
582 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
583 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
584 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
585 int cblkyend = cblkystart + (1 << cblkheightexpn);
586
587 opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
588
589 /* code-block size (global) */
590 cblk->x0 = int_max(cblkxstart, prc->x0);
591 cblk->y0 = int_max(cblkystart, prc->y0);
592 cblk->x1 = int_min(cblkxend, prc->x1);
593 cblk->y1 = int_min(cblkyend, prc->y1);
594 cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
595 /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
596 cblk->data += 2;
597 cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
598 cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
599 }
600 } /* precno */
601 } /* bandno */
602 } /* resno */
603 } /* compno */
604 } /* tileno */
605
606 /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
607 }
608
tcd_malloc_decode(opj_tcd_t * tcd,opj_image_t * image,opj_cp_t * cp)609 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
610 int i, j, tileno, p, q;
611 unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
612
613 tcd->image = image;
614 tcd->tcd_image->tw = cp->tw;
615 tcd->tcd_image->th = cp->th;
616 tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcd_tile_t));
617
618 /*
619 Allocate place to store the decoded data = final image
620 Place limited by the tile really present in the codestream
621 */
622
623 for (j = 0; j < cp->tileno_size; j++) {
624 opj_tcd_tile_t *tile;
625
626 tileno = cp->tileno[j];
627 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
628 tile->numcomps = image->numcomps;
629 tile->comps = (opj_tcd_tilecomp_t*) opj_calloc(image->numcomps, sizeof(opj_tcd_tilecomp_t));
630 }
631
632 for (i = 0; i < image->numcomps; i++) {
633 for (j = 0; j < cp->tileno_size; j++) {
634 opj_tcd_tile_t *tile;
635 opj_tcd_tilecomp_t *tilec;
636
637 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
638
639 tileno = cp->tileno[j];
640
641 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
642 tilec = &tile->comps[i];
643
644 p = tileno % cp->tw; /* si numerotation matricielle .. */
645 q = tileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
646
647 /* 4 borders of the tile rescale on the image if necessary */
648 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
649 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
650 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
651 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
652
653 tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
654 tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
655 tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
656 tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
657
658 x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
659 y0 = j == 0 ? tilec->y0 : int_min(y0, (unsigned int) tilec->x0);
660 x1 = j == 0 ? tilec->x1 : int_max(x1, (unsigned int) tilec->x1);
661 y1 = j == 0 ? tilec->y1 : int_max(y1, (unsigned int) tilec->y1);
662 }
663
664 w = int_ceildivpow2(x1 - x0, image->comps[i].factor);
665 h = int_ceildivpow2(y1 - y0, image->comps[i].factor);
666
667 image->comps[i].w = w;
668 image->comps[i].h = h;
669 image->comps[i].x0 = x0;
670 image->comps[i].y0 = y0;
671 }
672 }
673
tcd_malloc_decode_tile(opj_tcd_t * tcd,opj_image_t * image,opj_cp_t * cp,int tileno,opj_codestream_info_t * cstr_info)674 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) {
675 int compno, resno, bandno, precno, cblkno;
676 opj_tcp_t *tcp;
677 opj_tcd_tile_t *tile;
678
679 tcd->cp = cp;
680
681 tcp = &(cp->tcps[cp->tileno[tileno]]);
682 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
683
684 tileno = cp->tileno[tileno];
685
686 for (compno = 0; compno < tile->numcomps; compno++) {
687 opj_tccp_t *tccp = &tcp->tccps[compno];
688 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
689
690 /* border of each tile component (global) */
691 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
692 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
693 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
694 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
695
696 tilec->numresolutions = tccp->numresolutions;
697 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
698
699 for (resno = 0; resno < tilec->numresolutions; resno++) {
700 int pdx, pdy;
701 int levelno = tilec->numresolutions - 1 - resno;
702 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
703 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
704 int cbgwidthexpn, cbgheightexpn;
705 int cblkwidthexpn, cblkheightexpn;
706
707 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
708
709 /* border for each resolution level (global) */
710 res->x0 = int_ceildivpow2(tilec->x0, levelno);
711 res->y0 = int_ceildivpow2(tilec->y0, levelno);
712 res->x1 = int_ceildivpow2(tilec->x1, levelno);
713 res->y1 = int_ceildivpow2(tilec->y1, levelno);
714 res->numbands = resno == 0 ? 1 : 3;
715
716 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
717 if (tccp->csty & J2K_CCP_CSTY_PRT) {
718 pdx = tccp->prcw[resno];
719 pdy = tccp->prch[resno];
720 } else {
721 pdx = 15;
722 pdy = 15;
723 }
724
725 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
726 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
727 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
728 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
729 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
730
731 res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
732 res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
733
734 if (resno == 0) {
735 tlcbgxstart = tlprcxstart;
736 tlcbgystart = tlprcystart;
737 brcbgxend = brprcxend;
738 brcbgyend = brprcyend;
739 cbgwidthexpn = pdx;
740 cbgheightexpn = pdy;
741 } else {
742 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
743 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
744 brcbgxend = int_ceildivpow2(brprcxend, 1);
745 brcbgyend = int_ceildivpow2(brprcyend, 1);
746 cbgwidthexpn = pdx - 1;
747 cbgheightexpn = pdy - 1;
748 }
749
750 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
751 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
752
753 for (bandno = 0; bandno < res->numbands; bandno++) {
754 int x0b, y0b;
755 int gain, numbps;
756 opj_stepsize_t *ss = NULL;
757
758 opj_tcd_band_t *band = &res->bands[bandno];
759 band->bandno = resno == 0 ? 0 : bandno + 1;
760 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
761 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
762
763 if (band->bandno == 0) {
764 /* band border (global) */
765 band->x0 = int_ceildivpow2(tilec->x0, levelno);
766 band->y0 = int_ceildivpow2(tilec->y0, levelno);
767 band->x1 = int_ceildivpow2(tilec->x1, levelno);
768 band->y1 = int_ceildivpow2(tilec->y1, levelno);
769 } else {
770 /* band border (global) */
771 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
772 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
773 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
774 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
775 }
776
777 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
778 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
779 numbps = image->comps[compno].prec + gain;
780 band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn)) * 0.5);
781 band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
782
783 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
784
785 for (precno = 0; precno < res->pw * res->ph; precno++) {
786 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
787 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
788 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
789 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
790 int cbgyend = cbgystart + (1 << cbgheightexpn);
791
792 opj_tcd_precinct_t *prc = &band->precincts[precno];
793 /* precinct size (global) */
794 prc->x0 = int_max(cbgxstart, band->x0);
795 prc->y0 = int_max(cbgystart, band->y0);
796 prc->x1 = int_min(cbgxend, band->x1);
797 prc->y1 = int_min(cbgyend, band->y1);
798
799 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
800 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
801 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
802 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
803 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
804 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
805
806 prc->cblks.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_dec_t));
807
808 prc->incltree = tgt_create(prc->cw, prc->ch);
809 prc->imsbtree = tgt_create(prc->cw, prc->ch);
810
811 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
812 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
813 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
814 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
815 int cblkyend = cblkystart + (1 << cblkheightexpn);
816
817 opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
818 cblk->data = NULL;
819 cblk->segs = NULL;
820 /* code-block size (global) */
821 cblk->x0 = int_max(cblkxstart, prc->x0);
822 cblk->y0 = int_max(cblkystart, prc->y0);
823 cblk->x1 = int_min(cblkxend, prc->x1);
824 cblk->y1 = int_min(cblkyend, prc->y1);
825 cblk->numsegs = 0;
826 cblk->numbps = 0; /* EMSCRIPTEN: Prevent SAFE_HEAP warnings */
827 }
828 } /* precno */
829 } /* bandno */
830 } /* resno */
831 } /* compno */
832 /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
833 }
834
tcd_makelayer_fixed(opj_tcd_t * tcd,int layno,int final)835 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
836 int compno, resno, bandno, precno, cblkno;
837 int value; /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
838 int matrice[10][10][3];
839 int i, j, k;
840
841 opj_cp_t *cp = tcd->cp;
842 opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
843 opj_tcp_t *tcd_tcp = tcd->tcp;
844
845 /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
846
847 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
848 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
849 for (i = 0; i < tcd_tcp->numlayers; i++) {
850 for (j = 0; j < tilec->numresolutions; j++) {
851 for (k = 0; k < 3; k++) {
852 matrice[i][j][k] =
853 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
854 * (float) (tcd->image->comps[compno].prec / 16.0));
855 }
856 }
857 }
858
859 for (resno = 0; resno < tilec->numresolutions; resno++) {
860 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
861 for (bandno = 0; bandno < res->numbands; bandno++) {
862 opj_tcd_band_t *band = &res->bands[bandno];
863 for (precno = 0; precno < res->pw * res->ph; precno++) {
864 opj_tcd_precinct_t *prc = &band->precincts[precno];
865 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
866 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
867 opj_tcd_layer_t *layer = &cblk->layers[layno];
868 int n;
869 int imsb = tcd->image->comps[compno].prec - cblk->numbps; /* number of bit-plan equal to zero */
870 /* Correction of the matrix of coefficient to include the IMSB information */
871 if (layno == 0) {
872 value = matrice[layno][resno][bandno];
873 if (imsb >= value) {
874 value = 0;
875 } else {
876 value -= imsb;
877 }
878 } else {
879 value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
880 if (imsb >= matrice[layno - 1][resno][bandno]) {
881 value -= (imsb - matrice[layno - 1][resno][bandno]);
882 if (value < 0) {
883 value = 0;
884 }
885 }
886 }
887
888 if (layno == 0) {
889 cblk->numpassesinlayers = 0;
890 }
891
892 n = cblk->numpassesinlayers;
893 if (cblk->numpassesinlayers == 0) {
894 if (value != 0) {
895 n = 3 * value - 2 + cblk->numpassesinlayers;
896 } else {
897 n = cblk->numpassesinlayers;
898 }
899 } else {
900 n = 3 * value + cblk->numpassesinlayers;
901 }
902
903 layer->numpasses = n - cblk->numpassesinlayers;
904
905 if (!layer->numpasses)
906 continue;
907
908 if (cblk->numpassesinlayers == 0) {
909 layer->len = cblk->passes[n - 1].rate;
910 layer->data = cblk->data;
911 } else {
912 layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
913 layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
914 }
915 if (final)
916 cblk->numpassesinlayers = n;
917 }
918 }
919 }
920 }
921 }
922 }
923
tcd_rateallocate_fixed(opj_tcd_t * tcd)924 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
925 int layno;
926 for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
927 tcd_makelayer_fixed(tcd, layno, 1);
928 }
929 }
930
tcd_makelayer(opj_tcd_t * tcd,int layno,double thresh,int final)931 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
932 int compno, resno, bandno, precno, cblkno, passno;
933
934 opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
935
936 tcd_tile->distolayer[layno] = 0; /* fixed_quality */
937
938 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
939 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
940 for (resno = 0; resno < tilec->numresolutions; resno++) {
941 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
942 for (bandno = 0; bandno < res->numbands; bandno++) {
943 opj_tcd_band_t *band = &res->bands[bandno];
944 for (precno = 0; precno < res->pw * res->ph; precno++) {
945 opj_tcd_precinct_t *prc = &band->precincts[precno];
946 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
947 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
948 opj_tcd_layer_t *layer = &cblk->layers[layno];
949
950 int n;
951 if (layno == 0) {
952 cblk->numpassesinlayers = 0;
953 }
954 n = cblk->numpassesinlayers;
955 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
956 int dr;
957 double dd;
958 opj_tcd_pass_t *pass = &cblk->passes[passno];
959 if (n == 0) {
960 dr = pass->rate;
961 dd = pass->distortiondec;
962 } else {
963 dr = pass->rate - cblk->passes[n - 1].rate;
964 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
965 }
966 if (!dr) {
967 if (dd != 0)
968 n = passno + 1;
969 continue;
970 }
971 if (dd / dr >= thresh)
972 n = passno + 1;
973 }
974 layer->numpasses = n - cblk->numpassesinlayers;
975
976 if (!layer->numpasses) {
977 layer->disto = 0;
978 continue;
979 }
980 if (cblk->numpassesinlayers == 0) {
981 layer->len = cblk->passes[n - 1].rate;
982 layer->data = cblk->data;
983 layer->disto = cblk->passes[n - 1].distortiondec;
984 } else {
985 layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
986 layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
987 layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
988 }
989
990 tcd_tile->distolayer[layno] += layer->disto; /* fixed_quality */
991
992 if (final)
993 cblk->numpassesinlayers = n;
994 }
995 }
996 }
997 }
998 }
999 }
1000
tcd_rateallocate(opj_tcd_t * tcd,unsigned char * dest,int len,opj_codestream_info_t * cstr_info)1001 bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1002 int compno, resno, bandno, precno, cblkno, passno, layno;
1003 double min, max;
1004 double cumdisto[100]; /* fixed_quality */
1005 const double K = 1; /* 1.1; fixed_quality */
1006 double maxSE = 0;
1007
1008 opj_cp_t *cp = tcd->cp;
1009 opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
1010 opj_tcp_t *tcd_tcp = tcd->tcp;
1011
1012 min = DBL_MAX;
1013 max = 0;
1014
1015 tcd_tile->numpix = 0; /* fixed_quality */
1016
1017 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1018 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1019 tilec->numpix = 0;
1020
1021 for (resno = 0; resno < tilec->numresolutions; resno++) {
1022 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1023
1024 for (bandno = 0; bandno < res->numbands; bandno++) {
1025 opj_tcd_band_t *band = &res->bands[bandno];
1026
1027 for (precno = 0; precno < res->pw * res->ph; precno++) {
1028 opj_tcd_precinct_t *prc = &band->precincts[precno];
1029
1030 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1031 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
1032
1033 for (passno = 0; passno < cblk->totalpasses; passno++) {
1034 opj_tcd_pass_t *pass = &cblk->passes[passno];
1035 int dr;
1036 double dd, rdslope;
1037 if (passno == 0) {
1038 dr = pass->rate;
1039 dd = pass->distortiondec;
1040 } else {
1041 dr = pass->rate - cblk->passes[passno - 1].rate;
1042 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1043 }
1044 if (dr == 0) {
1045 continue;
1046 }
1047 rdslope = dd / dr;
1048 if (rdslope < min) {
1049 min = rdslope;
1050 }
1051 if (rdslope > max) {
1052 max = rdslope;
1053 }
1054 } /* passno */
1055
1056 /* fixed_quality */
1057 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1058 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1059 } /* cbklno */
1060 } /* precno */
1061 } /* bandno */
1062 } /* resno */
1063
1064 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1065 * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1066 * ((double)(tilec->numpix));
1067 } /* compno */
1068
1069 /* index file */
1070 if(cstr_info) {
1071 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
1072 tile_info->numpix = tcd_tile->numpix;
1073 tile_info->distotile = tcd_tile->distotile;
1074 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1075 }
1076
1077 for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1078 double lo = min;
1079 double hi = max;
1080 int success = 0;
1081 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1082 double goodthresh = 0;
1083 double stable_thresh = 0;
1084 int i;
1085 double distotarget; /* fixed_quality */
1086
1087 /* fixed_quality */
1088 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1089
1090 /* Don't try to find an optimal threshold but rather take everything not included yet, if
1091 -r xx,yy,zz,0 (disto_alloc == 1 and rates == 0)
1092 -q xx,yy,zz,0 (fixed_quality == 1 and distoratio == 0)
1093 ==> possible to have some lossy layers and the last layer for sure lossless */
1094 if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
1095 opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1096 double thresh = 0;
1097
1098 for (i = 0; i < 128; i++) {
1099 int l = 0;
1100 double distoachieved = 0; /* fixed_quality */
1101 thresh = (lo + hi) / 2;
1102
1103 tcd_makelayer(tcd, layno, thresh, 0);
1104
1105 if (cp->fixed_quality) { /* fixed_quality */
1106 if(cp->cinema){
1107 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);
1108 if (l == -999) {
1109 lo = thresh;
1110 continue;
1111 }else{
1112 distoachieved = layno == 0 ?
1113 tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1114 if (distoachieved < distotarget) {
1115 hi=thresh;
1116 stable_thresh = thresh;
1117 continue;
1118 }else{
1119 lo=thresh;
1120 }
1121 }
1122 }else{
1123 distoachieved = (layno == 0) ?
1124 tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1125 if (distoachieved < distotarget) {
1126 hi = thresh;
1127 stable_thresh = thresh;
1128 continue;
1129 }
1130 lo = thresh;
1131 }
1132 } else {
1133 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);
1134 /* TODO: what to do with l ??? seek / tell ??? */
1135 /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1136 if (l == -999) {
1137 lo = thresh;
1138 continue;
1139 }
1140 hi = thresh;
1141 stable_thresh = thresh;
1142 }
1143 }
1144 success = 1;
1145 goodthresh = stable_thresh == 0? thresh : stable_thresh;
1146 t2_destroy(t2);
1147 } else {
1148 success = 1;
1149 goodthresh = min;
1150 }
1151
1152 if (!success) {
1153 return false;
1154 }
1155
1156 if(cstr_info) { /* Threshold for Marcela Index */
1157 cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1158 }
1159 tcd_makelayer(tcd, layno, goodthresh, 1);
1160
1161 /* fixed_quality */
1162 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1163 }
1164
1165 return true;
1166 }
1167
tcd_encode_tile(opj_tcd_t * tcd,int tileno,unsigned char * dest,int len,opj_codestream_info_t * cstr_info)1168 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1169 int compno;
1170 int l, i, numpacks = 0;
1171 opj_tcd_tile_t *tile = NULL;
1172 opj_tcp_t *tcd_tcp = NULL;
1173 opj_cp_t *cp = NULL;
1174
1175 opj_tcp_t *tcp = &tcd->cp->tcps[0];
1176 opj_tccp_t *tccp = &tcp->tccps[0];
1177 opj_image_t *image = tcd->image;
1178
1179 opj_t1_t *t1 = NULL; /* T1 component */
1180 opj_t2_t *t2 = NULL; /* T2 component */
1181
1182 tcd->tcd_tileno = tileno;
1183 tcd->tcd_tile = tcd->tcd_image->tiles;
1184 tcd->tcp = &tcd->cp->tcps[tileno];
1185
1186 tile = tcd->tcd_tile;
1187 tcd_tcp = tcd->tcp;
1188 cp = tcd->cp;
1189
1190 if(tcd->cur_tp_num == 0){
1191 tcd->encoding_time = opj_clock(); /* time needed to encode a tile */
1192 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1193 if(cstr_info) {
1194 opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0]; /* based on component 0 */
1195 for (i = 0; i < tilec_idx->numresolutions; i++) {
1196 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1197
1198 cstr_info->tile[tileno].pw[i] = res_idx->pw;
1199 cstr_info->tile[tileno].ph[i] = res_idx->ph;
1200
1201 numpacks += res_idx->pw * res_idx->ph;
1202
1203 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1204 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1205 }
1206 cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(cstr_info->numcomps * cstr_info->numlayers * numpacks, sizeof(opj_packet_info_t));
1207 }
1208 /* << INDEX */
1209
1210 /*---------------TILE-------------------*/
1211
1212 for (compno = 0; compno < tile->numcomps; compno++) {
1213 int x, y;
1214
1215 int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1216 int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1217 int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1218
1219 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1220 int tw = tilec->x1 - tilec->x0;
1221 int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1222
1223 /* extract tile data */
1224
1225 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1226 for (y = tilec->y0; y < tilec->y1; y++) {
1227 /* start of the src tile scanline */
1228 int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1229 /* start of the dst tile scanline */
1230 int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1231 for (x = tilec->x0; x < tilec->x1; x++) {
1232 *tile_data++ = *data++ - adjust;
1233 }
1234 }
1235 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1236 for (y = tilec->y0; y < tilec->y1; y++) {
1237 /* start of the src tile scanline */
1238 int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1239 /* start of the dst tile scanline */
1240 int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1241 for (x = tilec->x0; x < tilec->x1; x++) {
1242 *tile_data++ = (*data++ - adjust) << 11;
1243 }
1244
1245 }
1246 }
1247 }
1248
1249 /*----------------MCT-------------------*/
1250 if (tcd_tcp->mct) {
1251 int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1252 if (tcd_tcp->tccps[0].qmfbid == 0) {
1253 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1254 } else {
1255 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1256 }
1257 }
1258
1259 /*----------------DWT---------------------*/
1260
1261 for (compno = 0; compno < tile->numcomps; compno++) {
1262 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1263 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1264 dwt_encode(tilec);
1265 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1266 dwt_encode_real(tilec);
1267 }
1268 }
1269
1270 /*------------------TIER1-----------------*/
1271 t1 = t1_create(tcd->cinfo);
1272 t1_encode_cblks(t1, tile, tcd_tcp);
1273 t1_destroy(t1);
1274
1275 /*-----------RATE-ALLOCATE------------------*/
1276
1277 /* INDEX */
1278 if(cstr_info) {
1279 cstr_info->index_write = 0;
1280 }
1281 if (cp->disto_alloc || cp->fixed_quality) { /* fixed_quality */
1282 /* Normal Rate/distortion allocation */
1283 tcd_rateallocate(tcd, dest, len, cstr_info);
1284 } else {
1285 /* Fixed layer allocation */
1286 tcd_rateallocate_fixed(tcd);
1287 }
1288 }
1289 /*--------------TIER2------------------*/
1290
1291 /* INDEX */
1292 if(cstr_info) {
1293 cstr_info->index_write = 1;
1294 }
1295
1296 t2 = t2_create(tcd->cinfo, image, cp);
1297 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);
1298 t2_destroy(t2);
1299
1300 /*---------------CLEAN-------------------*/
1301
1302
1303 if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1304 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1305 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1306
1307 /* cleaning memory */
1308 for (compno = 0; compno < tile->numcomps; compno++) {
1309 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1310 opj_aligned_free(tilec->data);
1311 }
1312 }
1313
1314 return l;
1315 }
1316
tcd_decode_tile(opj_tcd_t * tcd,unsigned char * src,int len,int tileno,opj_codestream_info_t * cstr_info)1317 bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
1318 int l;
1319 int compno;
1320 int eof = 0;
1321 double tile_time, t1_time, dwt_time;
1322 opj_tcd_tile_t *tile = NULL;
1323
1324 opj_t1_t *t1 = NULL; /* T1 component */
1325 opj_t2_t *t2 = NULL; /* T2 component */
1326
1327 tcd->tcd_tileno = tileno;
1328 tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1329 tcd->tcp = &(tcd->cp->tcps[tileno]);
1330 tile = tcd->tcd_tile;
1331
1332 tile_time = opj_clock(); /* time needed to decode a tile */
1333 opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1334
1335 /* INDEX >> */
1336 if(cstr_info) {
1337 int resno, compno, numprec = 0;
1338 for (compno = 0; compno < cstr_info->numcomps; compno++) {
1339 opj_tcp_t *tcp = &tcd->cp->tcps[0];
1340 opj_tccp_t *tccp = &tcp->tccps[compno];
1341 opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];
1342 for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
1343 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
1344 cstr_info->tile[tileno].pw[resno] = res_idx->pw;
1345 cstr_info->tile[tileno].ph[resno] = res_idx->ph;
1346 numprec += res_idx->pw * res_idx->ph;
1347 if (tccp->csty & J2K_CP_CSTY_PRT) {
1348 cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
1349 cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
1350 }
1351 else {
1352 cstr_info->tile[tileno].pdx[resno] = 15;
1353 cstr_info->tile[tileno].pdx[resno] = 15;
1354 }
1355 }
1356 }
1357 cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
1358 cstr_info->packno = 0;
1359 }
1360 /* << INDEX */
1361
1362 /*--------------TIER2------------------*/
1363
1364 t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1365 l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
1366 t2_destroy(t2);
1367
1368 if (l == -999) {
1369 eof = 1;
1370 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1371 }
1372
1373 /*------------------TIER1-----------------*/
1374
1375 t1_time = opj_clock(); /* time needed to decode a tile */
1376 t1 = t1_create(tcd->cinfo);
1377 for (compno = 0; compno < tile->numcomps; ++compno) {
1378 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1379 /* The +3 is headroom required by the vectorized DWT */
1380 tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0))+3) * sizeof(int));
1381 t1_decode_cblks(t1, tilec, &tcd->tcp->tccps[compno]);
1382 }
1383 t1_destroy(t1);
1384 t1_time = opj_clock() - t1_time;
1385 opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1386
1387 /*----------------DWT---------------------*/
1388
1389 dwt_time = opj_clock(); /* time needed to decode a tile */
1390 for (compno = 0; compno < tile->numcomps; compno++) {
1391 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1392 int numres2decode;
1393
1394 if (tcd->cp->reduce != 0) {
1395 tcd->image->comps[compno].resno_decoded =
1396 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1397 if (tcd->image->comps[compno].resno_decoded < 0) {
1398 opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number "
1399 " of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n", tcd->cp->reduce, tile->comps[compno].numresolutions);
1400 return false;
1401 }
1402 }
1403
1404 numres2decode = tcd->image->comps[compno].resno_decoded + 1;
1405 if(numres2decode > 0){
1406 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1407 dwt_decode(tilec, numres2decode);
1408 } else {
1409 dwt_decode_real(tilec, numres2decode);
1410 }
1411 }
1412 }
1413 dwt_time = opj_clock() - dwt_time;
1414 opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1415
1416 /*----------------MCT-------------------*/
1417
1418 if (tcd->tcp->mct) {
1419 int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1420 if (tcd->tcp->tccps[0].qmfbid == 1) {
1421 mct_decode(
1422 tile->comps[0].data,
1423 tile->comps[1].data,
1424 tile->comps[2].data,
1425 n);
1426 } else {
1427 mct_decode_real(
1428 (float*)tile->comps[0].data,
1429 (float*)tile->comps[1].data,
1430 (float*)tile->comps[2].data,
1431 n);
1432 }
1433 }
1434
1435 /*---------------TILE-------------------*/
1436
1437 for (compno = 0; compno < tile->numcomps; ++compno) {
1438 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1439 opj_image_comp_t* imagec = &tcd->image->comps[compno];
1440 opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
1441 int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
1442 int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
1443 int max = imagec->sgnd ? (1 << (imagec->prec - 1)) - 1 : (1 << imagec->prec) - 1;
1444
1445 int tw = tilec->x1 - tilec->x0;
1446 int w = imagec->w;
1447
1448 int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
1449 int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
1450
1451 int i, j;
1452 if(!imagec->data){
1453 imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int));
1454 }
1455 if(tcd->tcp->tccps[compno].qmfbid == 1) {
1456 for(j = res->y0; j < res->y1; ++j) {
1457 for(i = res->x0; i < res->x1; ++i) {
1458 int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1459 v += adjust;
1460 imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1461 }
1462 }
1463 }else{
1464 for(j = res->y0; j < res->y1; ++j) {
1465 for(i = res->x0; i < res->x1; ++i) {
1466 float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
1467 int v = lrintf(tmp);
1468 v += adjust;
1469 imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1470 }
1471 }
1472 }
1473 opj_aligned_free(tilec->data);
1474 }
1475
1476 tile_time = opj_clock() - tile_time; /* time needed to decode a tile */
1477 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1478
1479 if (eof) {
1480 return false;
1481 }
1482
1483 return true;
1484 }
1485
tcd_free_decode(opj_tcd_t * tcd)1486 void tcd_free_decode(opj_tcd_t *tcd) {
1487 opj_tcd_image_t *tcd_image = tcd->tcd_image;
1488 opj_free(tcd_image->tiles);
1489 }
1490
tcd_free_decode_tile(opj_tcd_t * tcd,int tileno)1491 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1492 int compno,resno,bandno,precno;
1493
1494 opj_tcd_image_t *tcd_image = tcd->tcd_image;
1495
1496 opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1497 for (compno = 0; compno < tile->numcomps; compno++) {
1498 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1499 for (resno = 0; resno < tilec->numresolutions; resno++) {
1500 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1501 for (bandno = 0; bandno < res->numbands; bandno++) {
1502 opj_tcd_band_t *band = &res->bands[bandno];
1503 for (precno = 0; precno < res->ph * res->pw; precno++) {
1504 opj_tcd_precinct_t *prec = &band->precincts[precno];
1505 if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1506 if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1507 }
1508 opj_free(band->precincts);
1509 }
1510 }
1511 opj_free(tilec->resolutions);
1512 }
1513 opj_free(tile->comps);
1514 }
1515
1516
1517
1518