Mango request: added an input node to use track's position in compositor
[blender.git] / extern / libopenjpeg / tcd.c
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
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 */
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 */
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
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                                                 band->precincts[i].cblks.enc = NULL;
294                                         }
295                                         
296                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
297                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
298
299                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
300                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
301                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
302                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
303
304                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
305
306                                                 /* precinct size (global) */
307                                                 prc->x0 = int_max(cbgxstart, band->x0);
308                                                 prc->y0 = int_max(cbgystart, band->y0);
309                                                 prc->x1 = int_min(cbgxend, band->x1);
310                                                 prc->y1 = int_min(cbgyend, band->y1);
311
312                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
313                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
314                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
315                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
316                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
317                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
318
319                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc((prc->cw * prc->ch), sizeof(opj_tcd_cblk_enc_t));
320                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
321                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
322                                                 
323                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
324                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
325                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
326                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
327                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
328                                                         
329                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
330
331                                                         /* code-block size (global) */
332                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
333                                                         cblk->y0 = int_max(cblkystart, prc->y0);
334                                                         cblk->x1 = int_min(cblkxend, prc->x1);
335                                                         cblk->y1 = int_min(cblkyend, prc->y1);
336                                                         cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
337                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
338                                                         cblk->data += 2;
339                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
340                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
341                                                 }
342                                         }
343                                 }
344                         }
345                 }
346         }
347         
348         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
349 }
350
351 void tcd_free_encode(opj_tcd_t *tcd) {
352         int tileno, compno, resno, bandno, precno, cblkno;
353
354         for (tileno = 0; tileno < 1; tileno++) {
355                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
356
357                 for (compno = 0; compno < tile->numcomps; compno++) {
358                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
359
360                         for (resno = 0; resno < tilec->numresolutions; resno++) {
361                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
362
363                                 for (bandno = 0; bandno < res->numbands; bandno++) {
364                                         opj_tcd_band_t *band = &res->bands[bandno];
365
366                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
367                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
368
369                                                 if (prc->incltree != NULL) {
370                                                         tgt_destroy(prc->incltree);
371                                                         prc->incltree = NULL;
372                                                 }
373                                                 if (prc->imsbtree != NULL) {
374                                                         tgt_destroy(prc->imsbtree);     
375                                                         prc->imsbtree = NULL;
376                                                 }
377                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
378                                                         opj_free(prc->cblks.enc[cblkno].data - 2);
379                                                         opj_free(prc->cblks.enc[cblkno].layers);
380                                                         opj_free(prc->cblks.enc[cblkno].passes);
381                                                 }
382                                                 opj_free(prc->cblks.enc);
383                                         } /* for (precno */
384                                         opj_free(band->precincts);
385                                         band->precincts = NULL;
386                                 } /* for (bandno */
387                         } /* for (resno */
388                         opj_free(tilec->resolutions);
389                         tilec->resolutions = NULL;
390                 } /* for (compno */
391                 opj_free(tile->comps);
392                 tile->comps = NULL;
393         } /* for (tileno */
394         opj_free(tcd->tcd_image->tiles);
395         tcd->tcd_image->tiles = NULL;
396 }
397
398 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
399         int tileno, compno, resno, bandno, precno, cblkno;
400
401         for (tileno = 0; tileno < 1; tileno++) {
402                 opj_tcp_t *tcp = &cp->tcps[curtileno];
403                 int j;
404                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
405                 int p = curtileno % cp->tw;
406                 int q = curtileno / cp->tw;
407
408                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
409                 
410                 /* 4 borders of the tile rescale on the image if necessary */
411                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
412                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
413                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
414                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
415                 
416                 tile->numcomps = image->numcomps;
417                 /* tile->PPT=image->PPT; */
418
419                 /* Modification of the RATE >> */
420                 for (j = 0; j < tcp->numlayers; j++) {
421                         tcp->rates[j] = tcp->rates[j] ? 
422                                 cp->tp_on ? 
423                                         (((float) (tile->numcomps 
424                                         * (tile->x1 - tile->x0) 
425                                         * (tile->y1 - tile->y0)
426                                         * image->comps[0].prec))
427                                         /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
428                                         :
429                                 ((float) (tile->numcomps 
430                                         * (tile->x1 - tile->x0) 
431                                         * (tile->y1 - tile->y0) 
432                                         * image->comps[0].prec))/ 
433                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
434                                         : 0;
435
436                         if (tcp->rates[j]) {
437                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
438                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
439                                 } else {
440                                         if (!j && tcp->rates[j] < 30)
441                                                 tcp->rates[j] = 30;
442                                 }
443                         }
444                 }
445                 /* << Modification of the RATE */
446
447                 /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
448                 for (compno = 0; compno < tile->numcomps; compno++) {
449                         opj_tccp_t *tccp = &tcp->tccps[compno];
450                         
451                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
452
453                         /* border of each tile component (global) */
454                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
455                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
456                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
457                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
458                         
459                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
460                         tilec->numresolutions = tccp->numresolutions;
461                         /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
462                         for (resno = 0; resno < tilec->numresolutions; resno++) {
463                                 int pdx, pdy;
464
465                                 int levelno = tilec->numresolutions - 1 - resno;
466                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
467                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
468                                 int cbgwidthexpn, cbgheightexpn;
469                                 int cblkwidthexpn, cblkheightexpn;
470                                 
471                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
472
473                                 /* border for each resolution level (global) */
474                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
475                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
476                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
477                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);  
478                                 res->numbands = resno == 0 ? 1 : 3;
479
480                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
481                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
482                                         pdx = tccp->prcw[resno];
483                                         pdy = tccp->prch[resno];
484                                 } else {
485                                         pdx = 15;
486                                         pdy = 15;
487                                 }
488                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
489                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
490                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
491                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
492                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
493                                 
494                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
495                                 res->ph = (brprcyend - tlprcystart) >> pdy;
496                                 
497                                 if (resno == 0) {
498                                         tlcbgxstart = tlprcxstart;
499                                         tlcbgystart = tlprcystart;
500                                         brcbgxend = brprcxend;
501                                         brcbgyend = brprcyend;
502                                         cbgwidthexpn = pdx;
503                                         cbgheightexpn = pdy;
504                                 } else {
505                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
506                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
507                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
508                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
509                                         cbgwidthexpn = pdx - 1;
510                                         cbgheightexpn = pdy - 1;
511                                 }
512                                 
513                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
514                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
515                                 
516                                 for (bandno = 0; bandno < res->numbands; bandno++) {
517                                         int x0b, y0b;
518                                         int gain, numbps;
519                                         opj_stepsize_t *ss = NULL;
520
521                                         opj_tcd_band_t *band = &res->bands[bandno];
522
523                                         band->bandno = resno == 0 ? 0 : bandno + 1;
524                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
525                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
526                                         
527                                         if (band->bandno == 0) {
528                                                 /* band border */
529                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
530                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
531                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
532                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
533                                         } else {
534                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
535                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
536                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
537                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
538                                         }
539                                         
540                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
541                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
542                                         numbps = image->comps[compno].prec + gain;
543                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
544                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
545                                         
546                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
547                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
548
549                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
550                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
551                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
552                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
553                                                 
554                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
555
556                                                 /* precinct size (global) */
557                                                 prc->x0 = int_max(cbgxstart, band->x0);
558                                                 prc->y0 = int_max(cbgystart, band->y0);
559                                                 prc->x1 = int_min(cbgxend, band->x1);
560                                                 prc->y1 = int_min(cbgyend, band->y1);
561
562                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
563                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
564                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
565                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
566                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
567                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
568
569                                                 opj_free(prc->cblks.enc);
570                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc(prc->cw * prc->ch, sizeof(opj_tcd_cblk_enc_t));
571
572                                                 if (prc->incltree != NULL) {
573                                                         tgt_destroy(prc->incltree);
574                                                 }
575                                                 if (prc->imsbtree != NULL) {
576                                                         tgt_destroy(prc->imsbtree);
577                                                 }
578                                                 
579                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
580                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
581
582                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
583                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
584                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
585                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
586                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
587
588                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
589
590                                                         /* code-block size (global) */
591                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
592                                                         cblk->y0 = int_max(cblkystart, prc->y0);
593                                                         cblk->x1 = int_min(cblkxend, prc->x1);
594                                                         cblk->y1 = int_min(cblkyend, prc->y1);
595                                                         cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
596                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
597                                                         cblk->data += 2;
598                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
599                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
600                                                 }
601                                         } /* precno */
602                                 } /* bandno */
603                         } /* resno */
604                 } /* compno */
605         } /* tileno */
606
607         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
608 }
609
610 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
611         int i, j, tileno, p, q;
612         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
613
614         tcd->image = image;
615         tcd->tcd_image->tw = cp->tw;
616         tcd->tcd_image->th = cp->th;
617         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcd_tile_t));
618
619         /* 
620         Allocate place to store the decoded data = final image
621         Place limited by the tile really present in the codestream 
622         */
623
624         for (j = 0; j < cp->tileno_size; j++) {
625                 opj_tcd_tile_t *tile;
626                 
627                 tileno = cp->tileno[j];         
628                 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);            
629                 tile->numcomps = image->numcomps;
630                 tile->comps = (opj_tcd_tilecomp_t*) opj_calloc(image->numcomps, sizeof(opj_tcd_tilecomp_t));
631         }
632
633         for (i = 0; i < image->numcomps; i++) {
634                 for (j = 0; j < cp->tileno_size; j++) {
635                         opj_tcd_tile_t *tile;
636                         opj_tcd_tilecomp_t *tilec;
637                         
638                         /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
639                         
640                         tileno = cp->tileno[j];
641                         
642                         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
643                         tilec = &tile->comps[i];
644                         
645                         p = tileno % cp->tw;    /* si numerotation matricielle .. */
646                         q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
647                         
648                         /* 4 borders of the tile rescale on the image if necessary */
649                         tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
650                         tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
651                         tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
652                         tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
653
654                         tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
655                         tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
656                         tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
657                         tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
658
659                         x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
660                         y0 = j == 0 ? tilec->y0 : int_min(y0,   (unsigned int) tilec->y0);
661                         x1 = j == 0 ? tilec->x1 : int_max(x1,   (unsigned int) tilec->x1);
662                         y1 = j == 0 ? tilec->y1 : int_max(y1,   (unsigned int) tilec->y1);
663                 }
664
665                 w = int_ceildivpow2(x1 - x0, image->comps[i].factor);
666                 h = int_ceildivpow2(y1 - y0, image->comps[i].factor);
667
668                 image->comps[i].w = w;
669                 image->comps[i].h = h;
670                 image->comps[i].x0 = x0;
671                 image->comps[i].y0 = y0;
672         }
673 }
674
675 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) {
676         int compno, resno, bandno, precno, cblkno;
677         opj_tcp_t *tcp;
678         opj_tcd_tile_t *tile;
679
680         OPJ_ARG_NOT_USED(cstr_info);
681
682         tcd->cp = cp;
683         
684         tcp = &(cp->tcps[cp->tileno[tileno]]);
685         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
686         
687         tileno = cp->tileno[tileno];
688         
689         for (compno = 0; compno < tile->numcomps; compno++) {
690                 opj_tccp_t *tccp = &tcp->tccps[compno];
691                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
692                 
693                 /* border of each tile component (global) */
694                 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
695                 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
696                 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
697                 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
698
699                 tilec->numresolutions = tccp->numresolutions;
700                 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
701                 
702                 for (resno = 0; resno < tilec->numresolutions; resno++) {
703                         int pdx, pdy;
704                         int levelno = tilec->numresolutions - 1 - resno;
705                         int tlprcxstart, tlprcystart, brprcxend, brprcyend;
706                         int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
707                         int cbgwidthexpn, cbgheightexpn;
708                         int cblkwidthexpn, cblkheightexpn;
709                         
710                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
711                         
712                         /* border for each resolution level (global) */
713                         res->x0 = int_ceildivpow2(tilec->x0, levelno);
714                         res->y0 = int_ceildivpow2(tilec->y0, levelno);
715                         res->x1 = int_ceildivpow2(tilec->x1, levelno);
716                         res->y1 = int_ceildivpow2(tilec->y1, levelno);
717                         res->numbands = resno == 0 ? 1 : 3;
718                         
719                         /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
720                         if (tccp->csty & J2K_CCP_CSTY_PRT) {
721                                 pdx = tccp->prcw[resno];
722                                 pdy = tccp->prch[resno];
723                         } else {
724                                 pdx = 15;
725                                 pdy = 15;
726                         }                       
727                         
728                         /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
729                         tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
730                         tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
731                         brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
732                         brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
733                         
734                         res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
735                         res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
736                         
737                         if (resno == 0) {
738                                 tlcbgxstart = tlprcxstart;
739                                 tlcbgystart = tlprcystart;
740                                 brcbgxend = brprcxend;
741                                 brcbgyend = brprcyend;
742                                 cbgwidthexpn = pdx;
743                                 cbgheightexpn = pdy;
744                         } else {
745                                 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
746                                 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
747                                 brcbgxend = int_ceildivpow2(brprcxend, 1);
748                                 brcbgyend = int_ceildivpow2(brprcyend, 1);
749                                 cbgwidthexpn = pdx - 1;
750                                 cbgheightexpn = pdy - 1;
751                         }
752                         
753                         cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
754                         cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
755                         
756                         for (bandno = 0; bandno < res->numbands; bandno++) {
757                                 int x0b, y0b;
758                                 int gain, numbps;
759                                 opj_stepsize_t *ss = NULL;
760                                 
761                                 opj_tcd_band_t *band = &res->bands[bandno];
762                                 band->bandno = resno == 0 ? 0 : bandno + 1;
763                                 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
764                                 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
765                                 
766                                 if (band->bandno == 0) {
767                                         /* band border (global) */
768                                         band->x0 = int_ceildivpow2(tilec->x0, levelno);
769                                         band->y0 = int_ceildivpow2(tilec->y0, levelno);
770                                         band->x1 = int_ceildivpow2(tilec->x1, levelno);
771                                         band->y1 = int_ceildivpow2(tilec->y1, levelno);
772                                 } else {
773                                         /* band border (global) */
774                                         band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
775                                         band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
776                                         band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
777                                         band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
778                                 }
779                                 
780                                 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
781                                 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
782                                 numbps = image->comps[compno].prec + gain;
783                                 band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn)) * 0.5);
784                                 band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
785                                 
786                                 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
787                                 
788                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
789                                         int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
790                                         int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
791                                         int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
792                                         int cbgxend = cbgxstart + (1 << cbgwidthexpn);
793                                         int cbgyend = cbgystart + (1 << cbgheightexpn);
794                                         
795                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
796                                         /* precinct size (global) */
797                                         prc->x0 = int_max(cbgxstart, band->x0);
798                                         prc->y0 = int_max(cbgystart, band->y0);
799                                         prc->x1 = int_min(cbgxend, band->x1);
800                                         prc->y1 = int_min(cbgyend, band->y1);
801                                         
802                                         tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
803                                         tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
804                                         brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
805                                         brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
806                                         prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
807                                         prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
808
809                                         prc->cblks.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_dec_t));
810
811                                         prc->incltree = tgt_create(prc->cw, prc->ch);
812                                         prc->imsbtree = tgt_create(prc->cw, prc->ch);
813                                         
814                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
815                                                 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
816                                                 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
817                                                 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
818                                                 int cblkyend = cblkystart + (1 << cblkheightexpn);                                      
819
820                                                 opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
821                                                 cblk->data = NULL;
822                                                 cblk->segs = NULL;
823                                                 /* code-block size (global) */
824                                                 cblk->x0 = int_max(cblkxstart, prc->x0);
825                                                 cblk->y0 = int_max(cblkystart, prc->y0);
826                                                 cblk->x1 = int_min(cblkxend, prc->x1);
827                                                 cblk->y1 = int_min(cblkyend, prc->y1);
828                                                 cblk->numsegs = 0;
829                                         }
830                                 } /* precno */
831                         } /* bandno */
832                 } /* resno */
833         } /* compno */
834         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
835 }
836
837 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
838         int compno, resno, bandno, precno, cblkno;
839         int value;                      /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
840         int matrice[10][10][3];
841         int i, j, k;
842
843         opj_cp_t *cp = tcd->cp;
844         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
845         opj_tcp_t *tcd_tcp = tcd->tcp;
846
847         /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
848         
849         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
850                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
851                 for (i = 0; i < tcd_tcp->numlayers; i++) {
852                         for (j = 0; j < tilec->numresolutions; j++) {
853                                 for (k = 0; k < 3; k++) {
854                                         matrice[i][j][k] =
855                                                 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k] 
856                                                 * (float) (tcd->image->comps[compno].prec / 16.0));
857                                 }
858                         }
859                 }
860         
861                 for (resno = 0; resno < tilec->numresolutions; resno++) {
862                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
863                         for (bandno = 0; bandno < res->numbands; bandno++) {
864                                 opj_tcd_band_t *band = &res->bands[bandno];
865                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
866                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
867                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
868                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
869                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
870                                                 int n;
871                                                 int imsb = tcd->image->comps[compno].prec - cblk->numbps;       /* number of bit-plan equal to zero */
872                                                 /* Correction of the matrix of coefficient to include the IMSB information */
873                                                 if (layno == 0) {
874                                                         value = matrice[layno][resno][bandno];
875                                                         if (imsb >= value) {
876                                                                 value = 0;
877                                                         } else {
878                                                                 value -= imsb;
879                                                         }
880                                                 } else {
881                                                         value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
882                                                         if (imsb >= matrice[layno - 1][resno][bandno]) {
883                                                                 value -= (imsb - matrice[layno - 1][resno][bandno]);
884                                                                 if (value < 0) {
885                                                                         value = 0;
886                                                                 }
887                                                         }
888                                                 }
889                                                 
890                                                 if (layno == 0) {
891                                                         cblk->numpassesinlayers = 0;
892                                                 }
893                                                 
894                                                 n = cblk->numpassesinlayers;
895                                                 if (cblk->numpassesinlayers == 0) {
896                                                         if (value != 0) {
897                                                                 n = 3 * value - 2 + cblk->numpassesinlayers;
898                                                         } else {
899                                                                 n = cblk->numpassesinlayers;
900                                                         }
901                                                 } else {
902                                                         n = 3 * value + cblk->numpassesinlayers;
903                                                 }
904                                                 
905                                                 layer->numpasses = n - cblk->numpassesinlayers;
906                                                 
907                                                 if (!layer->numpasses)
908                                                         continue;
909                                                 
910                                                 if (cblk->numpassesinlayers == 0) {
911                                                         layer->len = cblk->passes[n - 1].rate;
912                                                         layer->data = cblk->data;
913                                                 } else {
914                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
915                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
916                                                 }
917                                                 if (final)
918                                                         cblk->numpassesinlayers = n;
919                                         }
920                                 }
921                         }
922                 }
923         }
924 }
925
926 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
927         int layno;
928         for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
929                 tcd_makelayer_fixed(tcd, layno, 1);
930         }
931 }
932
933 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
934         int compno, resno, bandno, precno, cblkno, passno;
935         
936         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
937
938         tcd_tile->distolayer[layno] = 0;        /* fixed_quality */
939         
940         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
941                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
942                 for (resno = 0; resno < tilec->numresolutions; resno++) {
943                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
944                         for (bandno = 0; bandno < res->numbands; bandno++) {
945                                 opj_tcd_band_t *band = &res->bands[bandno];
946                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
947                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
948                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
949                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
950                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
951                                                 
952                                                 int n;
953                                                 if (layno == 0) {
954                                                         cblk->numpassesinlayers = 0;
955                                                 }
956                                                 n = cblk->numpassesinlayers;
957                                                 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
958                                                         int dr;
959                                                         double dd;
960                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
961                                                         if (n == 0) {
962                                                                 dr = pass->rate;
963                                                                 dd = pass->distortiondec;
964                                                         } else {
965                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
966                                                                 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
967                                                         }
968                                                         if (!dr) {
969                                                                 if (dd != 0)
970                                                                         n = passno + 1;
971                                                                 continue;
972                                                         }
973                                                         if (dd / dr >= thresh)
974                                                                 n = passno + 1;
975                                                 }
976                                                 layer->numpasses = n - cblk->numpassesinlayers;
977                                                 
978                                                 if (!layer->numpasses) {
979                                                         layer->disto = 0;
980                                                         continue;
981                                                 }
982                                                 if (cblk->numpassesinlayers == 0) {
983                                                         layer->len = cblk->passes[n - 1].rate;
984                                                         layer->data = cblk->data;
985                                                         layer->disto = cblk->passes[n - 1].distortiondec;
986                                                 } else {
987                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
988                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
989                                                         layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
990                                                 }
991                                                 
992                                                 tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
993                                                 
994                                                 if (final)
995                                                         cblk->numpassesinlayers = n;
996                                         }
997                                 }
998                         }
999                 }
1000         }
1001 }
1002
1003 opj_bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1004         int compno, resno, bandno, precno, cblkno, passno, layno;
1005         double min, max;
1006         double cumdisto[100];   /* fixed_quality */
1007         const double K = 1;             /* 1.1; fixed_quality */
1008         double maxSE = 0;
1009
1010         opj_cp_t *cp = tcd->cp;
1011         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
1012         opj_tcp_t *tcd_tcp = tcd->tcp;
1013
1014         min = DBL_MAX;
1015         max = 0;
1016         
1017         tcd_tile->numpix = 0;           /* fixed_quality */
1018         
1019         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1020                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1021                 tilec->numpix = 0;
1022
1023                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1024                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1025
1026                         for (bandno = 0; bandno < res->numbands; bandno++) {
1027                                 opj_tcd_band_t *band = &res->bands[bandno];
1028
1029                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1030                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
1031
1032                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1033                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
1034
1035                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
1036                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
1037                                                         int dr;
1038                                                         double dd, rdslope;
1039                                                         if (passno == 0) {
1040                                                                 dr = pass->rate;
1041                                                                 dd = pass->distortiondec;
1042                                                         } else {
1043                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
1044                                                                 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1045                                                         }
1046                                                         if (dr == 0) {
1047                                                                 continue;
1048                                                         }
1049                                                         rdslope = dd / dr;
1050                                                         if (rdslope < min) {
1051                                                                 min = rdslope;
1052                                                         }
1053                                                         if (rdslope > max) {
1054                                                                 max = rdslope;
1055                                                         }
1056                                                 } /* passno */
1057                                                 
1058                                                 /* fixed_quality */
1059                                                 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1060                                                 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1061                                         } /* cbklno */
1062                                 } /* precno */
1063                         } /* bandno */
1064                 } /* resno */
1065                 
1066                 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0) 
1067                         * ((double)(1 << tcd->image->comps[compno].prec) -1.0)) 
1068                         * ((double)(tilec->numpix));
1069         } /* compno */
1070         
1071         /* index file */
1072         if(cstr_info) {
1073                 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
1074                 tile_info->numpix = tcd_tile->numpix;
1075                 tile_info->distotile = tcd_tile->distotile;
1076                 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1077         }
1078         
1079         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1080                 double lo = min;
1081                 double hi = max;
1082                 int success = 0;
1083                 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1084                 double goodthresh = 0;
1085                 double stable_thresh = 0;
1086                 int i;
1087                 double distotarget;             /* fixed_quality */
1088                 
1089                 /* fixed_quality */
1090                 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1091         
1092                 /* Don't try to find an optimal threshold but rather take everything not included yet, if
1093                   -r xx,yy,zz,0   (disto_alloc == 1 and rates == 0)
1094                   -q xx,yy,zz,0   (fixed_quality == 1 and distoratio == 0)
1095                   ==> possible to have some lossy layers and the last layer for sure lossless */
1096                 if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
1097                         opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1098                         double thresh = 0;
1099
1100                         for (i = 0; i < 128; i++) {
1101                                 int l = 0;
1102                                 double distoachieved = 0;       /* fixed_quality */
1103                                 thresh = (lo + hi) / 2;
1104                                 
1105                                 tcd_makelayer(tcd, layno, thresh, 0);
1106                                 
1107                                 if (cp->fixed_quality) {        /* fixed_quality */
1108                                         if(cp->cinema){
1109                                                 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);
1110                                                 if (l == -999) {
1111                                                         lo = thresh;
1112                                                         continue;
1113                                                 }else{
1114                         distoachieved = layno == 0 ? 
1115                                                         tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1116                                                         if (distoachieved < distotarget) {
1117                                                                 hi=thresh; 
1118                                                                 stable_thresh = thresh;
1119                                                                 continue;
1120                                                         }else{
1121                                                                 lo=thresh;
1122                                                         }
1123                                                 }
1124                                         }else{
1125                                                 distoachieved = (layno == 0) ? 
1126                                                         tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1127                                                 if (distoachieved < distotarget) {
1128                                                         hi = thresh;
1129                                                         stable_thresh = thresh;
1130                                                         continue;
1131                                                 }
1132                                                 lo = thresh;
1133                                         }
1134                                 } else {
1135                                         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);
1136                                         /* TODO: what to do with l ??? seek / tell ??? */
1137                                         /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1138                                         if (l == -999) {
1139                                                 lo = thresh;
1140                                                 continue;
1141                                         }
1142                                         hi = thresh;
1143                                         stable_thresh = thresh;
1144                                 }
1145                         }
1146                         success = 1;
1147                         goodthresh = stable_thresh == 0? thresh : stable_thresh;
1148                         t2_destroy(t2);
1149                 } else {
1150                         success = 1;
1151                         goodthresh = min;
1152                 }
1153                 
1154                 if (!success) {
1155                         return OPJ_FALSE;
1156                 }
1157                 
1158                 if(cstr_info) { /* Threshold for Marcela Index */
1159                         cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1160                 }
1161                 tcd_makelayer(tcd, layno, goodthresh, 1);
1162         
1163                 /* fixed_quality */
1164                 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]); 
1165         }
1166
1167         return OPJ_TRUE;
1168 }
1169
1170 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1171         int compno;
1172         int l, i, numpacks = 0;
1173         opj_tcd_tile_t *tile = NULL;
1174         opj_tcp_t *tcd_tcp = NULL;
1175         opj_cp_t *cp = NULL;
1176
1177         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1178         opj_tccp_t *tccp = &tcp->tccps[0];
1179         opj_image_t *image = tcd->image;
1180         
1181         opj_t1_t *t1 = NULL;            /* T1 component */
1182         opj_t2_t *t2 = NULL;            /* T2 component */
1183
1184         tcd->tcd_tileno = tileno;
1185         tcd->tcd_tile = tcd->tcd_image->tiles;
1186         tcd->tcp = &tcd->cp->tcps[tileno];
1187
1188         tile = tcd->tcd_tile;
1189         tcd_tcp = tcd->tcp;
1190         cp = tcd->cp;
1191
1192         if(tcd->cur_tp_num == 0){
1193                 tcd->encoding_time = opj_clock();       /* time needed to encode a tile */
1194                 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1195                 if(cstr_info) {
1196                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1197                         for (i = 0; i < tilec_idx->numresolutions; i++) {
1198                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1199                                 
1200                                 cstr_info->tile[tileno].pw[i] = res_idx->pw;
1201                                 cstr_info->tile[tileno].ph[i] = res_idx->ph;
1202                                 
1203                                 numpacks += res_idx->pw * res_idx->ph;
1204                                 
1205                                 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1206                                 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1207                         }
1208                         cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(cstr_info->numcomps * cstr_info->numlayers * numpacks, sizeof(opj_packet_info_t));
1209                 }
1210                 /* << INDEX */
1211                 
1212                 /*---------------TILE-------------------*/
1213                 
1214                 for (compno = 0; compno < tile->numcomps; compno++) {
1215                         int x, y;
1216                         
1217                         int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1218                         int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1219                         int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1220                         
1221                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1222                         int tw = tilec->x1 - tilec->x0;
1223                         int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1224                         
1225                         /* extract tile data */
1226                         
1227                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1228                                 for (y = tilec->y0; y < tilec->y1; y++) {
1229                                         /* start of the src tile scanline */
1230                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1231                                         /* start of the dst tile scanline */
1232                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1233                                         for (x = tilec->x0; x < tilec->x1; x++) {
1234                                                 *tile_data++ = *data++ - adjust;
1235                                         }
1236                                 }
1237                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1238                                 for (y = tilec->y0; y < tilec->y1; y++) {
1239                                         /* start of the src tile scanline */
1240                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1241                                         /* start of the dst tile scanline */
1242                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1243                                         for (x = tilec->x0; x < tilec->x1; x++) {
1244                                                 *tile_data++ = (*data++ - adjust) << 11;
1245                                         }
1246                                         
1247                                 }
1248                         }
1249                 }
1250                 
1251                 /*----------------MCT-------------------*/
1252                 if (tcd_tcp->mct) {
1253                         int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1254                         if (tcd_tcp->tccps[0].qmfbid == 0) {
1255                                 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1256                         } else {
1257                                 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1258                         }
1259                 }
1260                 
1261                 /*----------------DWT---------------------*/
1262                 
1263                 for (compno = 0; compno < tile->numcomps; compno++) {
1264                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1265                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1266                                 dwt_encode(tilec);
1267                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1268                                 dwt_encode_real(tilec);
1269                         }
1270                 }
1271                 
1272                 /*------------------TIER1-----------------*/
1273                 t1 = t1_create(tcd->cinfo);
1274                 t1_encode_cblks(t1, tile, tcd_tcp);
1275                 t1_destroy(t1);
1276                 
1277                 /*-----------RATE-ALLOCATE------------------*/
1278                 
1279                 /* INDEX */
1280                 if(cstr_info) {
1281                         cstr_info->index_write = 0;
1282                 }
1283                 if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
1284                         /* Normal Rate/distortion allocation */
1285                         tcd_rateallocate(tcd, dest, len, cstr_info);
1286                 } else {
1287                         /* Fixed layer allocation */
1288                         tcd_rateallocate_fixed(tcd);
1289                 }
1290         }
1291         /*--------------TIER2------------------*/
1292
1293         /* INDEX */
1294         if(cstr_info) {
1295                 cstr_info->index_write = 1;
1296         }
1297
1298         t2 = t2_create(tcd->cinfo, image, cp);
1299         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);
1300         t2_destroy(t2);
1301         
1302         /*---------------CLEAN-------------------*/
1303
1304         
1305         if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1306                 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1307                 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1308
1309                 /* cleaning memory */
1310                 for (compno = 0; compno < tile->numcomps; compno++) {
1311                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1312                         opj_aligned_free(tilec->data);
1313                 }
1314         }
1315
1316         return l;
1317 }
1318
1319 opj_bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
1320         int l;
1321         int compno;
1322         int eof = 0;
1323         double tile_time, t1_time, dwt_time;
1324         opj_tcd_tile_t *tile = NULL;
1325
1326         opj_t1_t *t1 = NULL;            /* T1 component */
1327         opj_t2_t *t2 = NULL;            /* T2 component */
1328         
1329         tcd->tcd_tileno = tileno;
1330         tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1331         tcd->tcp = &(tcd->cp->tcps[tileno]);
1332         tile = tcd->tcd_tile;
1333         
1334         tile_time = opj_clock();        /* time needed to decode a tile */
1335         opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1336
1337         /* INDEX >>  */
1338         if(cstr_info) {
1339                 int resno, compno, numprec = 0;
1340                 for (compno = 0; compno < cstr_info->numcomps; compno++) {
1341                         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1342                         opj_tccp_t *tccp = &tcp->tccps[compno];
1343                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];   
1344                         for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
1345                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
1346                                 cstr_info->tile[tileno].pw[resno] = res_idx->pw;
1347                                 cstr_info->tile[tileno].ph[resno] = res_idx->ph;
1348                                 numprec += res_idx->pw * res_idx->ph;
1349                                 if (tccp->csty & J2K_CP_CSTY_PRT) {
1350                                         cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
1351                                         cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
1352                                 }
1353                                 else {
1354                                         cstr_info->tile[tileno].pdx[resno] = 15;
1355                                         cstr_info->tile[tileno].pdy[resno] = 15;
1356                                 }
1357                         }
1358                 }
1359                 cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
1360                 cstr_info->packno = 0;
1361         }
1362         /* << INDEX */
1363         
1364         /*--------------TIER2------------------*/
1365         
1366         t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1367         l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
1368         t2_destroy(t2);
1369
1370         if (l == -999) {
1371                 eof = 1;
1372                 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1373         }
1374         
1375         /*------------------TIER1-----------------*/
1376         
1377         t1_time = opj_clock();  /* time needed to decode a tile */
1378         t1 = t1_create(tcd->cinfo);
1379         for (compno = 0; compno < tile->numcomps; ++compno) {
1380                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1381                 /* The +3 is headroom required by the vectorized DWT */
1382                 tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0))+3) * sizeof(int));
1383                 t1_decode_cblks(t1, tilec, &tcd->tcp->tccps[compno]);
1384         }
1385         t1_destroy(t1);
1386         t1_time = opj_clock() - t1_time;
1387         opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1388         
1389         /*----------------DWT---------------------*/
1390
1391         dwt_time = opj_clock(); /* time needed to decode a tile */
1392         for (compno = 0; compno < tile->numcomps; compno++) {
1393                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1394                 int numres2decode;
1395
1396                 if (tcd->cp->reduce != 0) {
1397                         tcd->image->comps[compno].resno_decoded =
1398                                 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1399                         if (tcd->image->comps[compno].resno_decoded < 0) {                              
1400                                 opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number "
1401                                         " of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n", tcd->cp->reduce, tile->comps[compno].numresolutions);
1402                                 return OPJ_FALSE;
1403                         }
1404                 }
1405
1406                 numres2decode = tcd->image->comps[compno].resno_decoded + 1;
1407                 if(numres2decode > 0){
1408                         if (tcd->tcp->tccps[compno].qmfbid == 1) {
1409                                 dwt_decode(tilec, numres2decode);
1410                         } else {
1411                                 dwt_decode_real(tilec, numres2decode);
1412                         }
1413                 }
1414         }
1415         dwt_time = opj_clock() - dwt_time;
1416         opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1417
1418         /*----------------MCT-------------------*/
1419
1420         if (tcd->tcp->mct) {
1421                 int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1422
1423                 if (tile->numcomps >= 3 ){
1424                         if (tcd->tcp->tccps[0].qmfbid == 1) {
1425                                 mct_decode(
1426                                                 tile->comps[0].data,
1427                                                 tile->comps[1].data,
1428                                                 tile->comps[2].data,
1429                                                 n);
1430                         } else {
1431                                 mct_decode_real(
1432                                                 (float*)tile->comps[0].data,
1433                                                 (float*)tile->comps[1].data,
1434                                                 (float*)tile->comps[2].data,
1435                                                 n);
1436                         }
1437                 } else{
1438                         opj_event_msg(tcd->cinfo, EVT_WARNING,"Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",tile->numcomps);
1439                 }
1440         }
1441
1442         /*---------------TILE-------------------*/
1443
1444         for (compno = 0; compno < tile->numcomps; ++compno) {
1445                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1446                 opj_image_comp_t* imagec = &tcd->image->comps[compno];
1447                 opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
1448                 int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
1449                 int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
1450                 int max = imagec->sgnd ?  (1 << (imagec->prec - 1)) - 1 : (1 << imagec->prec) - 1;
1451
1452                 int tw = tilec->x1 - tilec->x0;
1453                 int w = imagec->w;
1454
1455                 int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
1456                 int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
1457
1458                 int i, j;
1459                 if(!imagec->data){
1460                         imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int));
1461                 }
1462                 if(tcd->tcp->tccps[compno].qmfbid == 1) {
1463                         for(j = res->y0; j < res->y1; ++j) {
1464                                 for(i = res->x0; i < res->x1; ++i) {
1465                                         int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1466                                         v += adjust;
1467                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1468                                 }
1469                         }
1470                 }else{
1471                         for(j = res->y0; j < res->y1; ++j) {
1472                                 for(i = res->x0; i < res->x1; ++i) {
1473                                         float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
1474                                         int v = lrintf(tmp);
1475                                         v += adjust;
1476                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1477                                 }
1478                         }
1479                 }
1480                 opj_aligned_free(tilec->data);
1481         }
1482
1483         tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
1484         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1485
1486         if (eof) {
1487                 return OPJ_FALSE;
1488         }
1489         
1490         return OPJ_TRUE;
1491 }
1492
1493 void tcd_free_decode(opj_tcd_t *tcd) {
1494         opj_tcd_image_t *tcd_image = tcd->tcd_image;    
1495         opj_free(tcd_image->tiles);
1496 }
1497
1498 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1499         int compno,resno,bandno,precno;
1500
1501         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1502
1503         opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1504         for (compno = 0; compno < tile->numcomps; compno++) {
1505                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1506                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1507                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1508                         for (bandno = 0; bandno < res->numbands; bandno++) {
1509                                 opj_tcd_band_t *band = &res->bands[bandno];
1510                                 for (precno = 0; precno < res->ph * res->pw; precno++) {
1511                                         opj_tcd_precinct_t *prec = &band->precincts[precno];
1512                                         if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1513                                         if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1514                                 }
1515                                 opj_free(band->precincts);
1516                         }
1517                 }
1518                 opj_free(tilec->resolutions);
1519         }
1520         opj_free(tile->comps);
1521 }
1522
1523
1524