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(9728+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 if (tccp->numresolutions <= 0)
691 {
692 cp->tileno[tileno] = -1;
693 return;
694 }
695
696 /* border of each tile component (global) */
697 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
698 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
699 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
700 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
701
702 tilec->numresolutions = tccp->numresolutions;
703 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
704
705 for (resno = 0; resno < tilec->numresolutions; resno++) {
706 int pdx, pdy;
707 int levelno = tilec->numresolutions - 1 - resno;
708 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
709 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
710 int cbgwidthexpn, cbgheightexpn;
711 int cblkwidthexpn, cblkheightexpn;
712
713 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
714
715 /* border for each resolution level (global) */
716 res->x0 = int_ceildivpow2(tilec->x0, levelno);
717 res->y0 = int_ceildivpow2(tilec->y0, levelno);
718 res->x1 = int_ceildivpow2(tilec->x1, levelno);
719 res->y1 = int_ceildivpow2(tilec->y1, levelno);
720 res->numbands = resno == 0 ? 1 : 3;
721
722 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
723 if (tccp->csty & J2K_CCP_CSTY_PRT) {
724 pdx = tccp->prcw[resno];
725 pdy = tccp->prch[resno];
726 } else {
727 pdx = 15;
728 pdy = 15;
729 }
730
731 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
732 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
733 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
734 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
735 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
736
737 res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
738 res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
739
740 if (resno == 0) {
741 tlcbgxstart = tlprcxstart;
742 tlcbgystart = tlprcystart;
743 brcbgxend = brprcxend;
744 brcbgyend = brprcyend;
745 cbgwidthexpn = pdx;
746 cbgheightexpn = pdy;
747 } else {
748 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
749 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
750 brcbgxend = int_ceildivpow2(brprcxend, 1);
751 brcbgyend = int_ceildivpow2(brprcyend, 1);
752 cbgwidthexpn = pdx - 1;
753 cbgheightexpn = pdy - 1;
754 }
755
756 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
757 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
758
759 for (bandno = 0; bandno < res->numbands; bandno++) {
760 int x0b, y0b;
761 int gain, numbps;
762 opj_stepsize_t *ss = NULL;
763
764 opj_tcd_band_t *band = &res->bands[bandno];
765 band->bandno = resno == 0 ? 0 : bandno + 1;
766 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
767 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
768
769 if (band->bandno == 0) {
770 /* band border (global) */
771 band->x0 = int_ceildivpow2(tilec->x0, levelno);
772 band->y0 = int_ceildivpow2(tilec->y0, levelno);
773 band->x1 = int_ceildivpow2(tilec->x1, levelno);
774 band->y1 = int_ceildivpow2(tilec->y1, levelno);
775 } else {
776 /* band border (global) */
777 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
778 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
779 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
780 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
781 }
782
783 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
784 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
785 numbps = image->comps[compno].prec + gain;
786 band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn)) * 0.5);
787 band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
788
789 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
790
791 for (precno = 0; precno < res->pw * res->ph; precno++) {
792 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
793 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
794 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
795 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
796 int cbgyend = cbgystart + (1 << cbgheightexpn);
797
798 opj_tcd_precinct_t *prc = &band->precincts[precno];
799 /* precinct size (global) */
800 prc->x0 = int_max(cbgxstart, band->x0);
801 prc->y0 = int_max(cbgystart, band->y0);
802 prc->x1 = int_min(cbgxend, band->x1);
803 prc->y1 = int_min(cbgyend, band->y1);
804
805 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
806 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
807 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
808 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
809 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
810 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
811
812 prc->cblks.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_dec_t));
813
814 prc->incltree = tgt_create(prc->cw, prc->ch);
815 prc->imsbtree = tgt_create(prc->cw, prc->ch);
816
817 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
818 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
819 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
820 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
821 int cblkyend = cblkystart + (1 << cblkheightexpn);
822
823 opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
824 cblk->data = NULL;
825 cblk->segs = NULL;
826 /* code-block size (global) */
827 cblk->x0 = int_max(cblkxstart, prc->x0);
828 cblk->y0 = int_max(cblkystart, prc->y0);
829 cblk->x1 = int_min(cblkxend, prc->x1);
830 cblk->y1 = int_min(cblkyend, prc->y1);
831 cblk->numsegs = 0;
832 }
833 } /* precno */
834 } /* bandno */
835 } /* resno */
836 } /* compno */
837 /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
838 }
839
tcd_makelayer_fixed(opj_tcd_t * tcd,int layno,int final)840 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
841 int compno, resno, bandno, precno, cblkno;
842 int value; /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
843 int matrice[10][10][3];
844 int i, j, k;
845
846 opj_cp_t *cp = tcd->cp;
847 opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
848 opj_tcp_t *tcd_tcp = tcd->tcp;
849
850 /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
851
852 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
853 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
854 for (i = 0; i < tcd_tcp->numlayers; i++) {
855 for (j = 0; j < tilec->numresolutions; j++) {
856 for (k = 0; k < 3; k++) {
857 matrice[i][j][k] =
858 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
859 * (float) (tcd->image->comps[compno].prec / 16.0));
860 }
861 }
862 }
863
864 for (resno = 0; resno < tilec->numresolutions; resno++) {
865 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
866 for (bandno = 0; bandno < res->numbands; bandno++) {
867 opj_tcd_band_t *band = &res->bands[bandno];
868 for (precno = 0; precno < res->pw * res->ph; precno++) {
869 opj_tcd_precinct_t *prc = &band->precincts[precno];
870 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
871 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
872 opj_tcd_layer_t *layer = &cblk->layers[layno];
873 int n;
874 int imsb = tcd->image->comps[compno].prec - cblk->numbps; /* number of bit-plan equal to zero */
875 /* Correction of the matrix of coefficient to include the IMSB information */
876 if (layno == 0) {
877 value = matrice[layno][resno][bandno];
878 if (imsb >= value) {
879 value = 0;
880 } else {
881 value -= imsb;
882 }
883 } else {
884 value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
885 if (imsb >= matrice[layno - 1][resno][bandno]) {
886 value -= (imsb - matrice[layno - 1][resno][bandno]);
887 if (value < 0) {
888 value = 0;
889 }
890 }
891 }
892
893 if (layno == 0) {
894 cblk->numpassesinlayers = 0;
895 }
896
897 n = cblk->numpassesinlayers;
898 if (cblk->numpassesinlayers == 0) {
899 if (value != 0) {
900 n = 3 * value - 2 + cblk->numpassesinlayers;
901 } else {
902 n = cblk->numpassesinlayers;
903 }
904 } else {
905 n = 3 * value + cblk->numpassesinlayers;
906 }
907
908 layer->numpasses = n - cblk->numpassesinlayers;
909
910 if (!layer->numpasses)
911 continue;
912
913 if (cblk->numpassesinlayers == 0) {
914 layer->len = cblk->passes[n - 1].rate;
915 layer->data = cblk->data;
916 } else {
917 layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
918 layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
919 }
920 if (final)
921 cblk->numpassesinlayers = n;
922 }
923 }
924 }
925 }
926 }
927 }
928
tcd_rateallocate_fixed(opj_tcd_t * tcd)929 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
930 int layno;
931 for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
932 tcd_makelayer_fixed(tcd, layno, 1);
933 }
934 }
935
tcd_makelayer(opj_tcd_t * tcd,int layno,double thresh,int final)936 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
937 int compno, resno, bandno, precno, cblkno, passno;
938
939 opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
940
941 tcd_tile->distolayer[layno] = 0; /* fixed_quality */
942
943 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
944 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
945 for (resno = 0; resno < tilec->numresolutions; resno++) {
946 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
947 for (bandno = 0; bandno < res->numbands; bandno++) {
948 opj_tcd_band_t *band = &res->bands[bandno];
949 for (precno = 0; precno < res->pw * res->ph; precno++) {
950 opj_tcd_precinct_t *prc = &band->precincts[precno];
951 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
952 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
953 opj_tcd_layer_t *layer = &cblk->layers[layno];
954
955 int n;
956 if (layno == 0) {
957 cblk->numpassesinlayers = 0;
958 }
959 n = cblk->numpassesinlayers;
960 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
961 int dr;
962 double dd;
963 opj_tcd_pass_t *pass = &cblk->passes[passno];
964 if (n == 0) {
965 dr = pass->rate;
966 dd = pass->distortiondec;
967 } else {
968 dr = pass->rate - cblk->passes[n - 1].rate;
969 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
970 }
971 if (!dr) {
972 if (dd != 0)
973 n = passno + 1;
974 continue;
975 }
976 if (dd / dr >= thresh)
977 n = passno + 1;
978 }
979 layer->numpasses = n - cblk->numpassesinlayers;
980
981 if (!layer->numpasses) {
982 layer->disto = 0;
983 continue;
984 }
985 if (cblk->numpassesinlayers == 0) {
986 layer->len = cblk->passes[n - 1].rate;
987 layer->data = cblk->data;
988 layer->disto = cblk->passes[n - 1].distortiondec;
989 } else {
990 layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
991 layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
992 layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
993 }
994
995 tcd_tile->distolayer[layno] += layer->disto; /* fixed_quality */
996
997 if (final)
998 cblk->numpassesinlayers = n;
999 }
1000 }
1001 }
1002 }
1003 }
1004 }
1005
tcd_rateallocate(opj_tcd_t * tcd,unsigned char * dest,int len,opj_codestream_info_t * cstr_info)1006 bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1007 int compno, resno, bandno, precno, cblkno, passno, layno;
1008 double min, max;
1009 double cumdisto[100]; /* fixed_quality */
1010 const double K = 1; /* 1.1; fixed_quality */
1011 double maxSE = 0;
1012
1013 opj_cp_t *cp = tcd->cp;
1014 opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
1015 opj_tcp_t *tcd_tcp = tcd->tcp;
1016
1017 min = DBL_MAX;
1018 max = 0;
1019
1020 tcd_tile->numpix = 0; /* fixed_quality */
1021
1022 for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1023 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1024 tilec->numpix = 0;
1025
1026 for (resno = 0; resno < tilec->numresolutions; resno++) {
1027 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1028
1029 for (bandno = 0; bandno < res->numbands; bandno++) {
1030 opj_tcd_band_t *band = &res->bands[bandno];
1031
1032 for (precno = 0; precno < res->pw * res->ph; precno++) {
1033 opj_tcd_precinct_t *prc = &band->precincts[precno];
1034
1035 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1036 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
1037
1038 for (passno = 0; passno < cblk->totalpasses; passno++) {
1039 opj_tcd_pass_t *pass = &cblk->passes[passno];
1040 int dr;
1041 double dd, rdslope;
1042 if (passno == 0) {
1043 dr = pass->rate;
1044 dd = pass->distortiondec;
1045 } else {
1046 dr = pass->rate - cblk->passes[passno - 1].rate;
1047 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1048 }
1049 if (dr == 0) {
1050 continue;
1051 }
1052 rdslope = dd / dr;
1053 if (rdslope < min) {
1054 min = rdslope;
1055 }
1056 if (rdslope > max) {
1057 max = rdslope;
1058 }
1059 } /* passno */
1060
1061 /* fixed_quality */
1062 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1063 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1064 } /* cbklno */
1065 } /* precno */
1066 } /* bandno */
1067 } /* resno */
1068
1069 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1070 * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1071 * ((double)(tilec->numpix));
1072 } /* compno */
1073
1074 /* index file */
1075 if(cstr_info) {
1076 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
1077 tile_info->numpix = tcd_tile->numpix;
1078 tile_info->distotile = tcd_tile->distotile;
1079 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1080 }
1081
1082 for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1083 double lo = min;
1084 double hi = max;
1085 int success = 0;
1086 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1087 double goodthresh = 0;
1088 double stable_thresh = 0;
1089 int i;
1090 double distotarget; /* fixed_quality */
1091
1092 /* fixed_quality */
1093 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1094
1095 /* Don't try to find an optimal threshold but rather take everything not included yet, if
1096 -r xx,yy,zz,0 (disto_alloc == 1 and rates == 0)
1097 -q xx,yy,zz,0 (fixed_quality == 1 and distoratio == 0)
1098 ==> possible to have some lossy layers and the last layer for sure lossless */
1099 if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
1100 opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1101 double thresh = 0;
1102
1103 for (i = 0; i < 128; i++) {
1104 int l = 0;
1105 double distoachieved = 0; /* fixed_quality */
1106 thresh = (lo + hi) / 2;
1107
1108 tcd_makelayer(tcd, layno, thresh, 0);
1109
1110 if (cp->fixed_quality) { /* fixed_quality */
1111 if(cp->cinema){
1112 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);
1113 if (l == -999) {
1114 lo = thresh;
1115 continue;
1116 }else{
1117 distoachieved = layno == 0 ?
1118 tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1119 if (distoachieved < distotarget) {
1120 hi=thresh;
1121 stable_thresh = thresh;
1122 continue;
1123 }else{
1124 lo=thresh;
1125 }
1126 }
1127 }else{
1128 distoachieved = (layno == 0) ?
1129 tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1130 if (distoachieved < distotarget) {
1131 hi = thresh;
1132 stable_thresh = thresh;
1133 continue;
1134 }
1135 lo = thresh;
1136 }
1137 } else {
1138 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);
1139 /* TODO: what to do with l ??? seek / tell ??? */
1140 /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1141 if (l == -999) {
1142 lo = thresh;
1143 continue;
1144 }
1145 hi = thresh;
1146 stable_thresh = thresh;
1147 }
1148 }
1149 success = 1;
1150 goodthresh = stable_thresh == 0? thresh : stable_thresh;
1151 t2_destroy(t2);
1152 } else {
1153 success = 1;
1154 goodthresh = min;
1155 }
1156
1157 if (!success) {
1158 return false;
1159 }
1160
1161 if(cstr_info) { /* Threshold for Marcela Index */
1162 cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1163 }
1164 tcd_makelayer(tcd, layno, goodthresh, 1);
1165
1166 /* fixed_quality */
1167 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1168 }
1169
1170 return true;
1171 }
1172
tcd_encode_tile(opj_tcd_t * tcd,int tileno,unsigned char * dest,int len,opj_codestream_info_t * cstr_info)1173 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1174 int compno;
1175 int l, i, numpacks = 0;
1176 opj_tcd_tile_t *tile = NULL;
1177 opj_tcp_t *tcd_tcp = NULL;
1178 opj_cp_t *cp = NULL;
1179
1180 opj_tcp_t *tcp = &tcd->cp->tcps[0];
1181 opj_tccp_t *tccp = &tcp->tccps[0];
1182 opj_image_t *image = tcd->image;
1183
1184 opj_t1_t *t1 = NULL; /* T1 component */
1185 opj_t2_t *t2 = NULL; /* T2 component */
1186
1187 tcd->tcd_tileno = tileno;
1188 tcd->tcd_tile = tcd->tcd_image->tiles;
1189 tcd->tcp = &tcd->cp->tcps[tileno];
1190
1191 tile = tcd->tcd_tile;
1192 tcd_tcp = tcd->tcp;
1193 cp = tcd->cp;
1194
1195 if(tcd->cur_tp_num == 0){
1196 tcd->encoding_time = opj_clock(); /* time needed to encode a tile */
1197 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1198 if(cstr_info) {
1199 opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0]; /* based on component 0 */
1200 for (i = 0; i < tilec_idx->numresolutions; i++) {
1201 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1202
1203 cstr_info->tile[tileno].pw[i] = res_idx->pw;
1204 cstr_info->tile[tileno].ph[i] = res_idx->ph;
1205
1206 numpacks += res_idx->pw * res_idx->ph;
1207
1208 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1209 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1210 }
1211 cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(cstr_info->numcomps * cstr_info->numlayers * numpacks, sizeof(opj_packet_info_t));
1212 }
1213 /* << INDEX */
1214
1215 /*---------------TILE-------------------*/
1216
1217 for (compno = 0; compno < tile->numcomps; compno++) {
1218 int x, y;
1219
1220 int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1221 int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1222 int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1223
1224 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1225 int tw = tilec->x1 - tilec->x0;
1226 int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1227
1228 /* extract tile data */
1229
1230 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1231 for (y = tilec->y0; y < tilec->y1; y++) {
1232 /* start of the src tile scanline */
1233 int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1234 /* start of the dst tile scanline */
1235 int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1236 for (x = tilec->x0; x < tilec->x1; x++) {
1237 *tile_data++ = *data++ - adjust;
1238 }
1239 }
1240 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1241 for (y = tilec->y0; y < tilec->y1; y++) {
1242 /* start of the src tile scanline */
1243 int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1244 /* start of the dst tile scanline */
1245 int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1246 for (x = tilec->x0; x < tilec->x1; x++) {
1247 *tile_data++ = (*data++ - adjust) << 11;
1248 }
1249
1250 }
1251 }
1252 }
1253
1254 /*----------------MCT-------------------*/
1255 if (tcd_tcp->mct) {
1256 int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1257 if (tcd_tcp->tccps[0].qmfbid == 0) {
1258 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1259 } else {
1260 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1261 }
1262 }
1263
1264 /*----------------DWT---------------------*/
1265
1266 for (compno = 0; compno < tile->numcomps; compno++) {
1267 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1268 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1269 dwt_encode(tilec);
1270 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1271 dwt_encode_real(tilec);
1272 }
1273 }
1274
1275 /*------------------TIER1-----------------*/
1276 t1 = t1_create(tcd->cinfo);
1277 t1_encode_cblks(t1, tile, tcd_tcp);
1278 t1_destroy(t1);
1279
1280 /*-----------RATE-ALLOCATE------------------*/
1281
1282 /* INDEX */
1283 if(cstr_info) {
1284 cstr_info->index_write = 0;
1285 }
1286 if (cp->disto_alloc || cp->fixed_quality) { /* fixed_quality */
1287 /* Normal Rate/distortion allocation */
1288 tcd_rateallocate(tcd, dest, len, cstr_info);
1289 } else {
1290 /* Fixed layer allocation */
1291 tcd_rateallocate_fixed(tcd);
1292 }
1293 }
1294 /*--------------TIER2------------------*/
1295
1296 /* INDEX */
1297 if(cstr_info) {
1298 cstr_info->index_write = 1;
1299 }
1300
1301 t2 = t2_create(tcd->cinfo, image, cp);
1302 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);
1303 t2_destroy(t2);
1304
1305 /*---------------CLEAN-------------------*/
1306
1307
1308 if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1309 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1310 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1311
1312 /* cleaning memory */
1313 for (compno = 0; compno < tile->numcomps; compno++) {
1314 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1315 opj_aligned_free(tilec->data);
1316 }
1317 }
1318
1319 return l;
1320 }
1321
tcd_decode_tile(opj_tcd_t * tcd,unsigned char * src,int len,int tileno,opj_codestream_info_t * cstr_info)1322 bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
1323 int l;
1324 int compno;
1325 int eof = 0;
1326 double tile_time, t1_time, dwt_time;
1327 opj_tcd_tile_t *tile = NULL;
1328
1329 opj_t1_t *t1 = NULL; /* T1 component */
1330 opj_t2_t *t2 = NULL; /* T2 component */
1331
1332 tcd->tcd_tileno = tileno;
1333 tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1334 tcd->tcp = &(tcd->cp->tcps[tileno]);
1335 tile = tcd->tcd_tile;
1336
1337 tile_time = opj_clock(); /* time needed to decode a tile */
1338 opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1339
1340 /* INDEX >> */
1341 if(cstr_info) {
1342 int resno, compno, numprec = 0;
1343 for (compno = 0; compno < cstr_info->numcomps; compno++) {
1344 opj_tcp_t *tcp = &tcd->cp->tcps[0];
1345 opj_tccp_t *tccp = &tcp->tccps[compno];
1346 opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];
1347 for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
1348 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
1349 cstr_info->tile[tileno].pw[resno] = res_idx->pw;
1350 cstr_info->tile[tileno].ph[resno] = res_idx->ph;
1351 numprec += res_idx->pw * res_idx->ph;
1352 if (tccp->csty & J2K_CP_CSTY_PRT) {
1353 cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
1354 cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
1355 }
1356 else {
1357 cstr_info->tile[tileno].pdx[resno] = 15;
1358 cstr_info->tile[tileno].pdx[resno] = 15;
1359 }
1360 }
1361 }
1362 cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
1363 cstr_info->packno = 0;
1364 }
1365 /* << INDEX */
1366
1367 /*--------------TIER2------------------*/
1368
1369 t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1370 l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
1371 t2_destroy(t2);
1372
1373 if (l == -999) {
1374 eof = 1;
1375 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1376 }
1377
1378 /*------------------TIER1-----------------*/
1379
1380 t1_time = opj_clock(); /* time needed to decode a tile */
1381 t1 = t1_create(tcd->cinfo);
1382 for (compno = 0; compno < tile->numcomps; ++compno) {
1383 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1384 /* The +3 is headroom required by the vectorized DWT */
1385 tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0))+3) * sizeof(int));
1386 t1_decode_cblks(t1, tilec, &tcd->tcp->tccps[compno]);
1387 }
1388 t1_destroy(t1);
1389 t1_time = opj_clock() - t1_time;
1390 opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1391
1392 /*----------------DWT---------------------*/
1393
1394 dwt_time = opj_clock(); /* time needed to decode a tile */
1395 for (compno = 0; compno < tile->numcomps; compno++) {
1396 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1397 int numres2decode;
1398
1399 if (tcd->cp->reduce != 0) {
1400 tcd->image->comps[compno].resno_decoded =
1401 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1402 if (tcd->image->comps[compno].resno_decoded < 0) {
1403 opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number "
1404 " of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n", tcd->cp->reduce, tile->comps[compno].numresolutions);
1405 return false;
1406 }
1407 }
1408
1409 numres2decode = tcd->image->comps[compno].resno_decoded + 1;
1410 if(numres2decode > 0){
1411 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1412 dwt_decode(tilec, numres2decode);
1413 } else {
1414 dwt_decode_real(tilec, numres2decode);
1415 }
1416 }
1417 }
1418 dwt_time = opj_clock() - dwt_time;
1419 opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1420
1421 /*----------------MCT-------------------*/
1422
1423 if (tcd->tcp->mct) {
1424 int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1425 if (tcd->tcp->tccps[0].qmfbid == 1) {
1426 mct_decode(
1427 tile->comps[0].data,
1428 tile->comps[1].data,
1429 tile->comps[2].data,
1430 n);
1431 } else {
1432 mct_decode_real(
1433 (float*)tile->comps[0].data,
1434 (float*)tile->comps[1].data,
1435 (float*)tile->comps[2].data,
1436 n);
1437 }
1438 }
1439
1440 /*---------------TILE-------------------*/
1441
1442 for (compno = 0; compno < tile->numcomps; ++compno) {
1443 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1444 opj_image_comp_t* imagec = &tcd->image->comps[compno];
1445 opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
1446 int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
1447 int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
1448 int max = imagec->sgnd ? (1 << (imagec->prec - 1)) - 1 : (1 << imagec->prec) - 1;
1449
1450 int tw = tilec->x1 - tilec->x0;
1451 int w = imagec->w;
1452
1453 int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
1454 int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
1455
1456 int i, j;
1457 if(!imagec->data){
1458 imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int));
1459 }
1460 if(tcd->tcp->tccps[compno].qmfbid == 1) {
1461 for(j = res->y0; j < res->y1; ++j) {
1462 for(i = res->x0; i < res->x1; ++i) {
1463 int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1464 v += adjust;
1465 imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1466 }
1467 }
1468 }else{
1469 for(j = res->y0; j < res->y1; ++j) {
1470 for(i = res->x0; i < res->x1; ++i) {
1471 float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
1472 int v = ((tmp>0.0f) ? (tmp + 0.5f):(tmp -0.5f));
1473 v += adjust;
1474 imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1475 }
1476 }
1477 }
1478 opj_aligned_free(tilec->data);
1479 }
1480
1481 tile_time = opj_clock() - tile_time; /* time needed to decode a tile */
1482 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1483
1484 if (eof) {
1485 return false;
1486 }
1487
1488 return true;
1489 }
1490
tcd_free_decode(opj_tcd_t * tcd)1491 void tcd_free_decode(opj_tcd_t *tcd) {
1492 opj_tcd_image_t *tcd_image = tcd->tcd_image;
1493 opj_free(tcd_image->tiles);
1494 }
1495
tcd_free_decode_tile(opj_tcd_t * tcd,int tileno)1496 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1497 int compno,resno,bandno,precno;
1498
1499 opj_tcd_image_t *tcd_image = tcd->tcd_image;
1500
1501 opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1502 for (compno = 0; compno < tile->numcomps; compno++) {
1503 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1504 for (resno = 0; resno < tilec->numresolutions; resno++) {
1505 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1506 for (bandno = 0; bandno < res->numbands; bandno++) {
1507 opj_tcd_band_t *band = &res->bands[bandno];
1508 for (precno = 0; precno < res->ph * res->pw; precno++) {
1509 opj_tcd_precinct_t *prec = &band->precincts[precno];
1510 if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1511 if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1512 }
1513 opj_free(band->precincts);
1514 }
1515 }
1516 opj_free(tilec->resolutions);
1517 }
1518 opj_free(tile->comps);
1519 }
1520
1521
1522
1523