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/src/FreeImage/Source/LibOpenJPEG/tcd.c

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   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
  35void 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/**
  97Create a new TCD handle
  98*/
  99opj_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/**
 114Destroy a previously created TCD handle
 115*/
 116void tcd_destroy(opj_tcd_t *tcd) {
 117	if(tcd) {
 118		opj_free(tcd->tcd_image);
 119		opj_free(tcd);
 120	}
 121}
 122
 123/* ----------------------------------------------------------------------- */
 124
 125void 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
 351void 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
 398void 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
 610void 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
 675void 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
 837void 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
 926void 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
 933void 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
1003opj_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
1170int 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
1319opj_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

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