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tcd.c

/*
 * Copyright (c) 2001-2003, David Janssens
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
 * Copyright (c) 2005, Hervé Drolon, FreeImage Team
 * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "opj_includes.h"

00033 void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
      int tileno, compno, resno, bandno, precno, cblkno;

      fprintf(fd, "image {\n");
      fprintf(fd, "  tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n", 
            img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0, tcd->image->y1);

      for (tileno = 0; tileno < img->th * img->tw; tileno++) {
            opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
            fprintf(fd, "  tile {\n");
            fprintf(fd, "    x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
                  tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
            for (compno = 0; compno < tile->numcomps; compno++) {
                  opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
                  fprintf(fd, "    tilec {\n");
                  fprintf(fd,
                        "      x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
                        tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
                  for (resno = 0; resno < tilec->numresolutions; resno++) {
                        opj_tcd_resolution_t *res = &tilec->resolutions[resno];
                        fprintf(fd, "\n   res {\n");
                        fprintf(fd,
                              "          x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n",
                              res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands);
                        for (bandno = 0; bandno < res->numbands; bandno++) {
                              opj_tcd_band_t *band = &res->bands[bandno];
                              fprintf(fd, "        band {\n");
                              fprintf(fd,
                                    "          x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
                                    band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
                              for (precno = 0; precno < res->pw * res->ph; precno++) {
                                    opj_tcd_precinct_t *prec = &band->precincts[precno];
                                    fprintf(fd, "          prec {\n");
                                    fprintf(fd,
                                          "            x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n",
                                          prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch);
                                    for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
                                          opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
                                          fprintf(fd, "            cblk {\n");
                                          fprintf(fd,
                                                "              x0=%d, y0=%d, x1=%d, y1=%d\n",
                                                cblk->x0, cblk->y0, cblk->x1, cblk->y1);
                                          fprintf(fd, "            }\n");
                                    }
                                    fprintf(fd, "          }\n");
                              }
                              fprintf(fd, "        }\n");
                        }
                        fprintf(fd, "      }\n");
                  }
                  fprintf(fd, "    }\n");
            }
            fprintf(fd, "  }\n");
      }
      fprintf(fd, "}\n");
}

/* ----------------------------------------------------------------------- */

/**
Create a new TCD handle
*/
00095 opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
      /* create the tcd structure */
      opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
      if(!tcd) return NULL;
      tcd->cinfo = cinfo;
      tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
      if(!tcd->tcd_image) {
            opj_free(tcd);
            return NULL;
      }

      return tcd;
}

/**
Destroy a previously created TCD handle
*/
00112 void tcd_destroy(opj_tcd_t *tcd) {
      if(tcd) {
            opj_free(tcd->tcd_image);
            opj_free(tcd);
      }
}

/* ----------------------------------------------------------------------- */

00121 void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
      int tileno, compno, resno, bandno, precno, cblkno;

      tcd->image = image;
      tcd->cp = cp;
      tcd->tcd_image->tw = cp->tw;
      tcd->tcd_image->th = cp->th;
      tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
      
      for (tileno = 0; tileno < 1; tileno++) {
            opj_tcp_t *tcp = &cp->tcps[curtileno];
            int j;

            /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
            int p = curtileno % cp->tw;   /* si numerotation matricielle .. */
            int q = curtileno / cp->tw;   /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */

            /* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
            opj_tcd_tile_t *tile = tcd->tcd_image->tiles;

            /* 4 borders of the tile rescale on the image if necessary */
            tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
            tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
            tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
            tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
            tile->numcomps = image->numcomps;
            /* tile->PPT=image->PPT;  */

            /* Modification of the RATE >> */
            for (j = 0; j < tcp->numlayers; j++) {
                  tcp->rates[j] = tcp->rates[j] ? 
                        int_ceildiv(tile->numcomps 
                              * (tile->x1 - tile->x0) 
                              * (tile->y1 - tile->y0) 
                              * image->comps[0].prec, 
                              (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) 
                              : 0;

                  if (tcp->rates[j]) {
                        if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
                              tcp->rates[j] = tcp->rates[j - 1] + 20;
                        } else {
                              if (!j && tcp->rates[j] < 30)
                                    tcp->rates[j] = 30;
                        }
                  }
            }
            /* << Modification of the RATE */
            
            tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
            for (compno = 0; compno < tile->numcomps; compno++) {
                  opj_tccp_t *tccp = &tcp->tccps[compno];

                  opj_tcd_tilecomp_t *tilec = &tile->comps[compno];

                  /* border of each tile component (global) */
                  tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
                  tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
                  tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
                  tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
                  
                  tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
                  tilec->numresolutions = tccp->numresolutions;

                  tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
                  
                  for (resno = 0; resno < tilec->numresolutions; resno++) {
                        int pdx, pdy;
                        int levelno = tilec->numresolutions - 1 - resno;
                        int tlprcxstart, tlprcystart, brprcxend, brprcyend;
                        int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
                        int cbgwidthexpn, cbgheightexpn;
                        int cblkwidthexpn, cblkheightexpn;

                        opj_tcd_resolution_t *res = &tilec->resolutions[resno];
                        
                        /* border for each resolution level (global) */
                        res->x0 = int_ceildivpow2(tilec->x0, levelno);
                        res->y0 = int_ceildivpow2(tilec->y0, levelno);
                        res->x1 = int_ceildivpow2(tilec->x1, levelno);
                        res->y1 = int_ceildivpow2(tilec->y1, levelno);
                        
                        res->numbands = resno == 0 ? 1 : 3;
                        /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
                        if (tccp->csty & J2K_CCP_CSTY_PRT) {
                              pdx = tccp->prcw[resno];
                              pdy = tccp->prch[resno];
                        } else {
                              pdx = 15;
                              pdy = 15;
                        }
                        /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
                        tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
                        tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
                        
                        brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
                        brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
                        
                        res->pw = (brprcxend - tlprcxstart) >> pdx;
                        res->ph = (brprcyend - tlprcystart) >> pdy;
                        
                        if (resno == 0) {
                              tlcbgxstart = tlprcxstart;
                              tlcbgystart = tlprcystart;
                              brcbgxend = brprcxend;
                              brcbgyend = brprcyend;
                              cbgwidthexpn = pdx;
                              cbgheightexpn = pdy;
                        } else {
                              tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
                              tlcbgystart = int_ceildivpow2(tlprcystart, 1);
                              brcbgxend = int_ceildivpow2(brprcxend, 1);
                              brcbgyend = int_ceildivpow2(brprcyend, 1);
                              cbgwidthexpn = pdx - 1;
                              cbgheightexpn = pdy - 1;
                        }
                        
                        cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
                        cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
                        
                        for (bandno = 0; bandno < res->numbands; bandno++) {
                              int x0b, y0b, i;
                              int gain, numbps;
                              opj_stepsize_t *ss = NULL;

                              opj_tcd_band_t *band = &res->bands[bandno];

                              band->bandno = resno == 0 ? 0 : bandno + 1;
                              x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
                              y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
                              
                              if (band->bandno == 0) {
                                    /* band border (global) */
                                    band->x0 = int_ceildivpow2(tilec->x0, levelno);
                                    band->y0 = int_ceildivpow2(tilec->y0, levelno);
                                    band->x1 = int_ceildivpow2(tilec->x1, levelno);
                                    band->y1 = int_ceildivpow2(tilec->y1, levelno);
                              } else {
                                    /* band border (global) */
                                    band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
                                    band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
                                    band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
                                    band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
                              }
                              
                              ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
                              gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);                            
                              numbps = image->comps[compno].prec + gain;
                              
                              band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
                              band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
                              
                              band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_tcd_precinct_t));
                              
                              for (i = 0; i < res->pw * res->ph * 3; i++) {
                                    band->precincts[i].imsbtree = NULL;
                                    band->precincts[i].incltree = NULL;
                              }
                              
                              for (precno = 0; precno < res->pw * res->ph; precno++) {
                                    int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;

                                    int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
                                    int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
                                    int cbgxend = cbgxstart + (1 << cbgwidthexpn);
                                    int cbgyend = cbgystart + (1 << cbgheightexpn);

                                    opj_tcd_precinct_t *prc = &band->precincts[precno];

                                    /* precinct size (global) */
                                    prc->x0 = int_max(cbgxstart, band->x0);
                                    prc->y0 = int_max(cbgystart, band->y0);
                                    prc->x1 = int_min(cbgxend, band->x1);
                                    prc->y1 = int_min(cbgyend, band->y1);

                                    tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
                                    tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
                                    brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
                                    brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
                                    prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
                                    prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;

                                    prc->cblks = (opj_tcd_cblk_t *) opj_malloc((prc->cw * prc->ch) * sizeof(opj_tcd_cblk_t));
                                    prc->incltree = tgt_create(prc->cw, prc->ch);
                                    prc->imsbtree = tgt_create(prc->cw, prc->ch);
                                    
                                    for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
                                          int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
                                          int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
                                          int cblkxend = cblkxstart + (1 << cblkwidthexpn);
                                          int cblkyend = cblkystart + (1 << cblkheightexpn);
                                          
                                          opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];

                                          /* code-block size (global) */
                                          cblk->x0 = int_max(cblkxstart, prc->x0);
                                          cblk->y0 = int_max(cblkystart, prc->y0);
                                          cblk->x1 = int_min(cblkxend, prc->x1);
                                          cblk->y1 = int_min(cblkyend, prc->y1);
                                    }
                              }
                        }
                  }
            }
      }
      
      /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
}

00330 void tcd_free_encode(opj_tcd_t *tcd) {
      int tileno, compno, resno, bandno, precno;

      for (tileno = 0; tileno < 1; tileno++) {
            opj_tcd_tile_t *tile = tcd->tcd_image->tiles;

            for (compno = 0; compno < tile->numcomps; compno++) {
                  opj_tcd_tilecomp_t *tilec = &tile->comps[compno];

                  for (resno = 0; resno < tilec->numresolutions; resno++) {
                        opj_tcd_resolution_t *res = &tilec->resolutions[resno];

                        for (bandno = 0; bandno < res->numbands; bandno++) {
                              opj_tcd_band_t *band = &res->bands[bandno];

                              for (precno = 0; precno < res->pw * res->ph; precno++) {
                                    opj_tcd_precinct_t *prc = &band->precincts[precno];

                                    if (prc->incltree != NULL) {
                                          tgt_destroy(prc->incltree);
                                          prc->incltree = NULL;
                                    }
                                    if (prc->imsbtree != NULL) {
                                          tgt_destroy(prc->imsbtree);   
                                          prc->imsbtree = NULL;
                                    }
                                    opj_free(prc->cblks);
                                    prc->cblks = NULL;
                              } /* for (precno */
                              opj_free(band->precincts);
                              band->precincts = NULL;
                        } /* for (bandno */
                  } /* for (resno */
                  opj_free(tilec->resolutions);
                  tilec->resolutions = NULL;
            } /* for (compno */
            opj_free(tile->comps);
            tile->comps = NULL;
      } /* for (tileno */
      opj_free(tcd->tcd_image->tiles);
      tcd->tcd_image->tiles = NULL;
}

00373 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
      int tileno, compno, resno, bandno, precno, cblkno;

      for (tileno = 0; tileno < 1; tileno++) {
            opj_tcp_t *tcp = &cp->tcps[curtileno];
            int j;
            /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
            int p = curtileno % cp->tw;
            int q = curtileno / cp->tw;

            opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
            
            /* 4 borders of the tile rescale on the image if necessary */
            tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
            tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
            tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
            tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
            
            tile->numcomps = image->numcomps;
            /* tile->PPT=image->PPT; */

            /* Modification of the RATE >> */
            for (j = 0; j < tcp->numlayers; j++) {
                  tcp->rates[j] = tcp->rates[j] ? 
                        int_ceildiv(tile->numcomps 
                        * (tile->x1 - tile->x0) 
                        * (tile->y1 - tile->y0) 
                        * image->comps[0].prec, 
                        (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) 
                        : 0;

                  if (tcp->rates[j]) {
                        if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
                              tcp->rates[j] = tcp->rates[j - 1] + 20;
                        } else {
                              if (!j && tcp->rates[j] < 30)
                                    tcp->rates[j] = 30;
                        }
                  }
            }
            /* << Modification of the RATE */

            /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
            for (compno = 0; compno < tile->numcomps; compno++) {
                  opj_tccp_t *tccp = &tcp->tccps[compno];
                  
                  opj_tcd_tilecomp_t *tilec = &tile->comps[compno];

                  /* border of each tile component (global) */
                  tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
                  tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
                  tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
                  tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
                  
                  tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
                  tilec->numresolutions = tccp->numresolutions;
                  /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
                  for (resno = 0; resno < tilec->numresolutions; resno++) {
                        int pdx, pdy;

                        int levelno = tilec->numresolutions - 1 - resno;
                        int tlprcxstart, tlprcystart, brprcxend, brprcyend;
                        int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
                        int cbgwidthexpn, cbgheightexpn;
                        int cblkwidthexpn, cblkheightexpn;
                        
                        opj_tcd_resolution_t *res = &tilec->resolutions[resno];

                        /* border for each resolution level (global) */
                        res->x0 = int_ceildivpow2(tilec->x0, levelno);
                        res->y0 = int_ceildivpow2(tilec->y0, levelno);
                        res->x1 = int_ceildivpow2(tilec->x1, levelno);
                        res->y1 = int_ceildivpow2(tilec->y1, levelno);  
                        res->numbands = resno == 0 ? 1 : 3;

                        /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
                        if (tccp->csty & J2K_CCP_CSTY_PRT) {
                              pdx = tccp->prcw[resno];
                              pdy = tccp->prch[resno];
                        } else {
                              pdx = 15;
                              pdy = 15;
                        }
                        /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
                        tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
                        tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
                        brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
                        brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
                        
                        res->pw = (brprcxend - tlprcxstart) >> pdx;
                        res->ph = (brprcyend - tlprcystart) >> pdy;
                        
                        if (resno == 0) {
                              tlcbgxstart = tlprcxstart;
                              tlcbgystart = tlprcystart;
                              brcbgxend = brprcxend;
                              brcbgyend = brprcyend;
                              cbgwidthexpn = pdx;
                              cbgheightexpn = pdy;
                        } else {
                              tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
                              tlcbgystart = int_ceildivpow2(tlprcystart, 1);
                              brcbgxend = int_ceildivpow2(brprcxend, 1);
                              brcbgyend = int_ceildivpow2(brprcyend, 1);
                              cbgwidthexpn = pdx - 1;
                              cbgheightexpn = pdy - 1;
                        }
                        
                        cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
                        cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
                        
                        for (bandno = 0; bandno < res->numbands; bandno++) {
                              int x0b, y0b;
                              int gain, numbps;
                              opj_stepsize_t *ss = NULL;

                              opj_tcd_band_t *band = &res->bands[bandno];

                              band->bandno = resno == 0 ? 0 : bandno + 1;
                              x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
                              y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
                              
                              if (band->bandno == 0) {
                                    /* band border */
                                    band->x0 = int_ceildivpow2(tilec->x0, levelno);
                                    band->y0 = int_ceildivpow2(tilec->y0, levelno);
                                    band->x1 = int_ceildivpow2(tilec->x1, levelno);
                                    band->y1 = int_ceildivpow2(tilec->y1, levelno);
                              } else {
                                    band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
                                    band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
                                    band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
                                    band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
                              }
                              
                              ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
                              gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
                              numbps = image->comps[compno].prec + gain;
                              band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
                              band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
                              
                              for (precno = 0; precno < res->pw * res->ph; precno++) {
                                    int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;

                                    int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
                                    int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
                                    int cbgxend = cbgxstart + (1 << cbgwidthexpn);
                                    int cbgyend = cbgystart + (1 << cbgheightexpn);
                                    
                                    opj_tcd_precinct_t *prc = &band->precincts[precno];

                                    /* precinct size (global) */
                                    prc->x0 = int_max(cbgxstart, band->x0);
                                    prc->y0 = int_max(cbgystart, band->y0);
                                    prc->x1 = int_min(cbgxend, band->x1);
                                    prc->y1 = int_min(cbgyend, band->y1);

                                    tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
                                    tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
                                    brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
                                    brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
                                    prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
                                    prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;

                                    opj_free(prc->cblks);
                                    prc->cblks = (opj_tcd_cblk_t *) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_t));

                                    if (prc->incltree != NULL) {
                                          tgt_destroy(prc->incltree);
                                    }
                                    if (prc->imsbtree != NULL) {
                                          tgt_destroy(prc->imsbtree);
                                    }
                                    
                                    prc->incltree = tgt_create(prc->cw, prc->ch);
                                    prc->imsbtree = tgt_create(prc->cw, prc->ch);

                                    for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
                                          int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
                                          int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
                                          int cblkxend = cblkxstart + (1 << cblkwidthexpn);
                                          int cblkyend = cblkystart + (1 << cblkheightexpn);

                                          opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
                                          
                                          /* code-block size (global) */
                                          cblk->x0 = int_max(cblkxstart, prc->x0);
                                          cblk->y0 = int_max(cblkystart, prc->y0);
                                          cblk->x1 = int_min(cblkxend, prc->x1);
                                          cblk->y1 = int_min(cblkyend, prc->y1);
                                    }
                              } /* precno */
                        } /* bandno */
                  } /* resno */
            } /* compno */
      } /* tileno */

      /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
}

00573 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
      int tileno, compno, resno, bandno, precno, cblkno, i, j, p, q;
      unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;

      tcd->image = image;
      tcd->cp = cp;
      tcd->tcd_image->tw = cp->tw;
      tcd->tcd_image->th = cp->th;
      tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcd_tile_t));
      
      for (i = 0; i < cp->tileno_size; i++) {
            opj_tcp_t *tcp = &(cp->tcps[cp->tileno[i]]);
            opj_tcd_tile_t *tile = &(tcd->tcd_image->tiles[cp->tileno[i]]);
      
            /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
            tileno = cp->tileno[i];
            p = tileno % cp->tw;    /* si numerotation matricielle .. */
            q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */

            /* 4 borders of the tile rescale on the image if necessary */
            tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
            tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
            tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
            tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
            
            tile->numcomps = image->numcomps;
            tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
            for (compno = 0; compno < tile->numcomps; compno++) {
                  opj_tccp_t *tccp = &tcp->tccps[compno];
                  opj_tcd_tilecomp_t *tilec = &tile->comps[compno];

                  /* border of each tile component (global) */
                  tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
                  tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
                  tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
                  tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
                  
                  tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
                  tilec->numresolutions = tccp->numresolutions;
                  tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));

                  for (resno = 0; resno < tilec->numresolutions; resno++) {
                        int pdx, pdy;
                        int levelno = tilec->numresolutions - 1 - resno;
                        int tlprcxstart, tlprcystart, brprcxend, brprcyend;
                        int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
                        int cbgwidthexpn, cbgheightexpn;
                        int cblkwidthexpn, cblkheightexpn;

                        opj_tcd_resolution_t *res = &tilec->resolutions[resno];
                        
                        /* border for each resolution level (global) */
                        res->x0 = int_ceildivpow2(tilec->x0, levelno);
                        res->y0 = int_ceildivpow2(tilec->y0, levelno);
                        res->x1 = int_ceildivpow2(tilec->x1, levelno);
                        res->y1 = int_ceildivpow2(tilec->y1, levelno);
                        res->numbands = resno == 0 ? 1 : 3;
                        
                        /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
                        if (tccp->csty & J2K_CCP_CSTY_PRT) {
                              pdx = tccp->prcw[resno];
                              pdy = tccp->prch[resno];
                        } else {
                              pdx = 15;
                              pdy = 15;
                        }
                        
                        /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
                        tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
                        tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
                        brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
                        brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;

                        res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
                        res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
                        
                        if (resno == 0) {
                              tlcbgxstart = tlprcxstart;
                              tlcbgystart = tlprcystart;
                              brcbgxend = brprcxend;
                              brcbgyend = brprcyend;
                              cbgwidthexpn = pdx;
                              cbgheightexpn = pdy;
                        } else {
                              tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
                              tlcbgystart = int_ceildivpow2(tlprcystart, 1);
                              brcbgxend = int_ceildivpow2(brprcxend, 1);
                              brcbgyend = int_ceildivpow2(brprcyend, 1);
                              cbgwidthexpn = pdx - 1;
                              cbgheightexpn = pdy - 1;
                        }
                        
                        cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
                        cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
                        
                        for (bandno = 0; bandno < res->numbands; bandno++) {
                              int x0b, y0b;
                              int gain, numbps;
                              opj_stepsize_t *ss = NULL;

                              opj_tcd_band_t *band = &res->bands[bandno];
                              band->bandno = resno == 0 ? 0 : bandno + 1;
                              x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
                              y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
                              
                              if (band->bandno == 0) {
                                    /* band border (global) */
                                    band->x0 = int_ceildivpow2(tilec->x0, levelno);
                                    band->y0 = int_ceildivpow2(tilec->y0, levelno);
                                    band->x1 = int_ceildivpow2(tilec->x1, levelno);
                                    band->y1 = int_ceildivpow2(tilec->y1, levelno);
                              } else {
                                    /* band border (global) */
                                    band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
                                    band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
                                    band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
                                    band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
                              }
                              
                              ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
                              gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
                              numbps = image->comps[compno].prec + gain;
                              band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
                              band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
                              
                              band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
                              
                              for (precno = 0; precno < res->pw * res->ph; precno++) {
                                    int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
                                    int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
                                    int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
                                    int cbgxend = cbgxstart + (1 << cbgwidthexpn);
                                    int cbgyend = cbgystart + (1 << cbgheightexpn);

                                    opj_tcd_precinct_t *prc = &band->precincts[precno];
                                    /* precinct size (global) */
                                    prc->x0 = int_max(cbgxstart, band->x0);
                                    prc->y0 = int_max(cbgystart, band->y0);
                                    prc->x1 = int_min(cbgxend, band->x1);
                                    prc->y1 = int_min(cbgyend, band->y1);
                                    
                                    tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
                                    tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
                                    brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
                                    brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
                                    prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
                                    prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
                                    
                                    prc->cblks = (opj_tcd_cblk_t *) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_t));
                                    
                                    prc->incltree = tgt_create(prc->cw, prc->ch);
                                    prc->imsbtree = tgt_create(prc->cw, prc->ch);
                                    
                                    for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
                                          int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
                                          int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
                                          int cblkxend = cblkxstart + (1 << cblkwidthexpn);
                                          int cblkyend = cblkystart + (1 << cblkheightexpn);                            
                                          
                                          /* code-block size (global) */
                                          opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
                                          cblk->x0 = int_max(cblkxstart, prc->x0);
                                          cblk->y0 = int_max(cblkystart, prc->y0);
                                          cblk->x1 = int_min(cblkxend, prc->x1);
                                          cblk->y1 = int_min(cblkyend, prc->y1);
                                    }
                              } /* precno */
                        } /* bandno */
                  } /* resno */
            } /* compno */
      } /* i = 0..cp->tileno_size */

      /* tcd_dump(stdout, tcd, &tcd->tcd_image); */

      /* 
      Allocate place to store the decoded data = final image
      Place limited by the tile really present in the codestream 
      */
      
      for (i = 0; i < image->numcomps; i++) {
            for (j = 0; j < cp->tileno_size; j++) {
                  tileno = cp->tileno[j];
                  x0 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].x0 : int_min(x0,
                        (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].x0);
                  y0 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].y0 : int_min(y0,
                        (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].y0);
                  x1 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].x1 : int_max(x1,
                        (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].x1);
                  y1 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].y1 : int_max(y1, 
                        (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].y1);
            }
            
            w = x1 - x0;
            h = y1 - y0;
            
            image->comps[i].data = (int *) opj_malloc(w * h * sizeof(int));
            image->comps[i].w = w;
            image->comps[i].h = h;
            image->comps[i].x0 = x0;
            image->comps[i].y0 = y0;
      }
}

void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
      int compno, resno, bandno, precno, cblkno;
      int value;              /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
      int matrice[10][10][3];
      int i, j, k;

      opj_cp_t *cp = tcd->cp;
      opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
      opj_tcp_t *tcd_tcp = tcd->tcp;

      /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
      
      for (compno = 0; compno < tcd_tile->numcomps; compno++) {
            opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
            for (i = 0; i < tcd_tcp->numlayers; i++) {
                  for (j = 0; j < tilec->numresolutions; j++) {
                        for (k = 0; k < 3; k++) {
                              matrice[i][j][k] =
                                    (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k] 
                                    * (float) (tcd->image->comps[compno].prec / 16.0));
                        }
                  }
            }
        
            for (resno = 0; resno < tilec->numresolutions; resno++) {
                  opj_tcd_resolution_t *res = &tilec->resolutions[resno];
                  for (bandno = 0; bandno < res->numbands; bandno++) {
                        opj_tcd_band_t *band = &res->bands[bandno];
                        for (precno = 0; precno < res->pw * res->ph; precno++) {
                              opj_tcd_precinct_t *prc = &band->precincts[precno];
                              for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
                                    opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
                                    opj_tcd_layer_t *layer = &cblk->layers[layno];
                                    int n;
                                    int imsb = tcd->image->comps[compno].prec - cblk->numbps;   /* number of bit-plan equal to zero */
                                    /* Correction of the matrix of coefficient to include the IMSB information */
                                    if (layno == 0) {
                                          value = matrice[layno][resno][bandno];
                                          if (imsb >= value) {
                                                value = 0;
                                          } else {
                                                value -= imsb;
                                          }
                                    } else {
                                          value =     matrice[layno][resno][bandno] -     matrice[layno - 1][resno][bandno];
                                          if (imsb >= matrice[layno - 1][resno][bandno]) {
                                                value -= (imsb - matrice[layno - 1][resno][bandno]);
                                                if (value < 0) {
                                                      value = 0;
                                                }
                                          }
                                    }
                                    
                                    if (layno == 0) {
                                          cblk->numpassesinlayers = 0;
                                    }
                                    
                                    n = cblk->numpassesinlayers;
                                    if (cblk->numpassesinlayers == 0) {
                                          if (value != 0) {
                                                n = 3 * value - 2 + cblk->numpassesinlayers;
                                          } else {
                                                n = cblk->numpassesinlayers;
                                          }
                                    } else {
                                          n = 3 * value + cblk->numpassesinlayers;
                                    }
                                    
                                    layer->numpasses = n - cblk->numpassesinlayers;
                                    
                                    if (!layer->numpasses)
                                          continue;
                                    
                                    if (cblk->numpassesinlayers == 0) {
                                          layer->len = cblk->passes[n - 1].rate;
                                          layer->data = cblk->data;
                                    } else {
                                          layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
                                          layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
                                    }
                                    if (final)
                                          cblk->numpassesinlayers = n;
                              }
                        }
                  }
            }
      }
}

void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
      int layno;
      for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
            tcd_makelayer_fixed(tcd, layno, 1);
      }
}

void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
      int compno, resno, bandno, precno, cblkno, passno;
      
      opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;

      tcd_tile->distolayer[layno] = 0;    /* fixed_quality */
      
      for (compno = 0; compno < tcd_tile->numcomps; compno++) {
            opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
            for (resno = 0; resno < tilec->numresolutions; resno++) {
                  opj_tcd_resolution_t *res = &tilec->resolutions[resno];
                  for (bandno = 0; bandno < res->numbands; bandno++) {
                        opj_tcd_band_t *band = &res->bands[bandno];
                        for (precno = 0; precno < res->pw * res->ph; precno++) {
                              opj_tcd_precinct_t *prc = &band->precincts[precno];
                              for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
                                    opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
                                    opj_tcd_layer_t *layer = &cblk->layers[layno];
                                    
                                    int n;
                                    if (layno == 0) {
                                          cblk->numpassesinlayers = 0;
                                    }
                                    n = cblk->numpassesinlayers;
                                    for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
                                          int dr;
                                          double dd;
                                          opj_tcd_pass_t *pass = &cblk->passes[passno];
                                          if (n == 0) {
                                                dr = pass->rate;
                                                dd = pass->distortiondec;
                                          } else {
                                                dr = pass->rate - cblk->passes[n - 1].rate;
                                                dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
                                          }
                                          if (!dr) {
                                                if (dd != 0)
                                                      n = passno + 1;
                                                continue;
                                          }
                                          if (dd / dr >= thresh)
                                                n = passno + 1;
                                    }
                                    layer->numpasses = n - cblk->numpassesinlayers;
                                    
                                    if (!layer->numpasses) {
                                          layer->disto = 0;
                                          continue;
                                    }
                                    if (cblk->numpassesinlayers == 0) {
                                          layer->len = cblk->passes[n - 1].rate;
                                          layer->data = cblk->data;
                                          layer->disto = cblk->passes[n - 1].distortiondec;
                                    } else {
                                          layer->len = cblk->passes[n - 1].rate -   cblk->passes[cblk->numpassesinlayers - 1].rate;
                                          layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
                                          layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
                                    }
                                    
                                    tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
                                    
                                    if (final)
                                          cblk->numpassesinlayers = n;
                              }
                        }
                  }
            }
      }
}

bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_image_info_t * image_info) {
      int compno, resno, bandno, precno, cblkno, passno, layno;
      double min, max;
      double cumdisto[100];   /* fixed_quality */
      const double K = 1;           /* 1.1; fixed_quality */
      double maxSE = 0;

      opj_cp_t *cp = tcd->cp;
      opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
      opj_tcp_t *tcd_tcp = tcd->tcp;

      min = DBL_MAX;
      max = 0;
      
      tcd_tile->nbpix = 0;          /* fixed_quality */
      
      for (compno = 0; compno < tcd_tile->numcomps; compno++) {
            opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
            tilec->nbpix = 0;

            for (resno = 0; resno < tilec->numresolutions; resno++) {
                  opj_tcd_resolution_t *res = &tilec->resolutions[resno];

                  for (bandno = 0; bandno < res->numbands; bandno++) {
                        opj_tcd_band_t *band = &res->bands[bandno];

                        for (precno = 0; precno < res->pw * res->ph; precno++) {
                              opj_tcd_precinct_t *prc = &band->precincts[precno];

                              for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
                                    opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];

                                    for (passno = 0; passno < cblk->totalpasses; passno++) {
                                          opj_tcd_pass_t *pass = &cblk->passes[passno];
                                          int dr;
                                          double dd, rdslope;
                                          if (passno == 0) {
                                                dr = pass->rate;
                                                dd = pass->distortiondec;
                                          } else {
                                                dr = pass->rate - cblk->passes[passno - 1].rate;
                                                dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
                                          }
                                          if (dr == 0) {
                                                continue;
                                          }
                                          rdslope = dd / dr;
                                          if (rdslope < min) {
                                                min = rdslope;
                                          }
                                          if (rdslope > max) {
                                                max = rdslope;
                                          }
                                    } /* passno */
                                    
                                    /* fixed_quality */
                                    tcd_tile->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
                                    tilec->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
                              } /* cbklno */
                        } /* precno */
                  } /* bandno */
            } /* resno */
            
            maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0) 
                  * ((double)(1 << tcd->image->comps[compno].prec) -1.0)) 
                  * ((double)(tilec->nbpix));
      } /* compno */
      
      /* index file */
      if(image_info && image_info->index_on) {
            opj_tile_info_t *tile_info = &image_info->tile[tcd->tcd_tileno];
            tile_info->nbpix = tcd_tile->nbpix;
            tile_info->distotile = tcd_tile->distotile;
            tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
      }
      
      for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
            double lo = min;
            double hi = max;
            int success = 0;
            /* TODO: remove maxlen */
            int maxlen = tcd_tcp->rates[layno] ? int_min(tcd_tcp->rates[layno], len) : len;
            double goodthresh = 0;
            int i;
            double distotarget;           /* fixed_quality */
            
            /* fixed_quality */
            distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
        
            if ((tcd_tcp->rates[layno]) || (cp->disto_alloc == 0)) {
                  opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);

                  for (i = 0; i < 32; i++) {
                        double thresh = (lo + hi) / 2;
                        int l = 0;
                        double distoachieved = 0;     /* fixed_quality */
                        
                        tcd_makelayer(tcd, layno, thresh, 0);
                        
                        if (cp->fixed_quality) {      /* fixed_quality */
                              distoachieved =   (layno == 0) ? 
                                    tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
                              if (distoachieved < distotarget) {
                                    hi = thresh;
                                    continue;
                              }
                              lo = thresh;
                        } else {
                              l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, image_info);
                              /* TODO: what to do with l ??? seek / tell ??? */
                              /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
                              if (l == -999) {
                                    lo = thresh;
                                    continue;
                              }
                              hi = thresh;
                        }
                        
                        success = 1;
                        goodthresh = thresh;
                  }
                  t2_destroy(t2);
            } else {
                  success = 1;
                  goodthresh = min;
            }
            
            if (!success) {
                  return false;
            }
            
            if(image_info && image_info->index_on) {  /* Threshold for Marcela Index */
                  image_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
            }
            tcd_makelayer(tcd, layno, goodthresh, 1);
        
            /* fixed_quality */
            cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);   
      }

      return true;
}

01085 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_image_info_t * image_info) {
      int compno;
      int l, i, npck = 0;
      double encoding_time;
      opj_tcd_tile_t *tile = NULL;
      opj_tcp_t *tcd_tcp = NULL;
      opj_cp_t *cp = NULL;

      opj_tcp_t *tcp = &tcd->cp->tcps[0];
      opj_tccp_t *tccp = &tcp->tccps[0];
      opj_image_t *image = tcd->image;
      
      opj_t1_t *t1 = NULL;          /* T1 component */
      opj_t2_t *t2 = NULL;          /* T2 component */

      tcd->tcd_tileno = tileno;
      tcd->tcd_tile = tcd->tcd_image->tiles;
      tcd->tcp = &tcd->cp->tcps[tileno];

      tile = tcd->tcd_tile;
      tcd_tcp = tcd->tcp;
      cp = tcd->cp;

      /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
      if(image_info && image_info->index_on) {
            opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];      /* based on component 0 */
            for (i = 0; i < tilec_idx->numresolutions; i++) {
                  opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];

                  image_info->tile[tileno].pw[i] = res_idx->pw;
                  image_info->tile[tileno].ph[i] = res_idx->ph;

                  npck += res_idx->pw * res_idx->ph;

                  image_info->tile[tileno].pdx[i] = tccp->prcw[i];
                  image_info->tile[tileno].pdy[i] = tccp->prch[i];
            }
            image_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(image_info->comp * image_info->layer * npck * sizeof(opj_packet_info_t));
      }
      /* << INDEX */
      
      /*---------------TILE-------------------*/
      encoding_time = opj_clock();  /* time needed to encode a tile */
      
      for (compno = 0; compno < tile->numcomps; compno++) {
            int x, y;

            int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
            int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
            int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
            
            opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
            int tw = tilec->x1 - tilec->x0;
            int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);

            /* extract tile data */

            if (tcd_tcp->tccps[compno].qmfbid == 1) {
                  for (y = tilec->y0; y < tilec->y1; y++) {
                        /* start of the src tile scanline */
                        int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
                        /* start of the dst tile scanline */
                        int *tile_data = &tilec->data[(y - tilec->y0) * tw];
                        for (x = tilec->x0; x < tilec->x1; x++) {
                              *tile_data++ = *data++ - adjust;
                        }
                  }
            } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
                  for (y = tilec->y0; y < tilec->y1; y++) {
                        /* start of the src tile scanline */
                        int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
                        /* start of the dst tile scanline */
                        int *tile_data = &tilec->data[(y - tilec->y0) * tw];
                        for (x = tilec->x0; x < tilec->x1; x++) {
                              *tile_data++ = (*data++ - adjust) << 13;
                        }
                  }
            }
      }
      
      /*----------------MCT-------------------*/
      if (tcd_tcp->mct) {
            int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
            if (tcd_tcp->tccps[0].qmfbid == 0) {
                  mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
            } else {
                  mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
            }
      }
      
      /*----------------DWT---------------------*/

      for (compno = 0; compno < tile->numcomps; compno++) {
            opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
            if (tcd_tcp->tccps[compno].qmfbid == 1) {
                  dwt_encode(tilec);
            } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
                  dwt_encode_real(tilec);
            }
      }

      /*------------------TIER1-----------------*/
      t1 = t1_create(tcd->cinfo);
      t1_encode_cblks(t1, tile, tcd_tcp);
      t1_destroy(t1);
      
      /*-----------RATE-ALLOCATE------------------*/

      /* INDEX */
      if(image_info) {
            image_info->index_write = 0;
      }
      if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
            /* Normal Rate/distortion allocation */
            tcd_rateallocate(tcd, dest, len, image_info);
      } else {
            /* Fixed layer allocation */
            tcd_rateallocate_fixed(tcd);
      }
      
      /*--------------TIER2------------------*/

      /* INDEX */
      if(image_info) {
            image_info->index_write = 1;
      }

      t2 = t2_create(tcd->cinfo, image, cp);
      l = t2_encode_packets(t2, tileno, tile, tcd_tcp->numlayers, dest, len, image_info);
      t2_destroy(t2);
      
      /*---------------CLEAN-------------------*/

      encoding_time = opj_clock() - encoding_time;
      opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", encoding_time);
      
      /* cleaning memory */
      for (compno = 0; compno < tile->numcomps; compno++) {
            opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
            opj_free(tilec->data);
      }
      
      return l;
}

01230 bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno) {
      int l;
      int compno;
      int eof = 0;
      double tile_time, t1_time, dwt_time;
      opj_tcd_tile_t *tile = NULL;

      opj_t1_t *t1 = NULL;          /* T1 component */
      opj_t2_t *t2 = NULL;          /* T2 component */
      
      tcd->tcd_tileno = tileno;
      tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
      tcd->tcp = &(tcd->cp->tcps[tileno]);
      tile = tcd->tcd_tile;
      
      tile_time = opj_clock();      /* time needed to decode a tile */
      opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
      
      /*--------------TIER2------------------*/
      
      t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
      l = t2_decode_packets(t2, src, len, tileno, tile);
      t2_destroy(t2);

      if (l == -999) {
            eof = 1;
            opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
      }
      
      /*------------------TIER1-----------------*/
      
      t1_time = opj_clock();  /* time needed to decode a tile */
      t1 = t1_create(tcd->cinfo);
      t1_decode_cblks(t1, tile, tcd->tcp);
      t1_destroy(t1);
      t1_time = opj_clock() - t1_time;
      opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
      
      /*----------------DWT---------------------*/

      dwt_time = opj_clock(); /* time needed to decode a tile */
      for (compno = 0; compno < tile->numcomps; compno++) {
            opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
            if (tcd->cp->reduce != 0) {
                  tcd->image->comps[compno].resno_decoded =
                        tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
            }
        
            if (tcd->tcp->tccps[compno].qmfbid == 1) {
                  dwt_decode(tilec, tilec->numresolutions - 1 - tcd->image->comps[compno].resno_decoded);
            } else {
                  dwt_decode_real(tilec, tilec->numresolutions - 1 - tcd->image->comps[compno].resno_decoded);
            }

            if (tile->comps[compno].numresolutions > 0) {
                  tcd->image->comps[compno].factor = tile->comps[compno].numresolutions - (tcd->image->comps[compno].resno_decoded + 1);
            }
      }
      dwt_time = opj_clock() - dwt_time;
      opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
      
      /*----------------MCT-------------------*/
      
      if (tcd->tcp->mct) {
            if (tcd->tcp->tccps[0].qmfbid == 1) {
                  mct_decode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, 
                        (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
            } else {
                  mct_decode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, 
                        (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
            }
      }
      
      /*---------------TILE-------------------*/
      
      for (compno = 0; compno < tile->numcomps; compno++) {
            opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
            opj_tcd_resolution_t *res =   &tilec->resolutions[tcd->image->comps[compno].resno_decoded];
            int adjust = tcd->image->comps[compno].sgnd ? 0 : 1 << (tcd->image->comps[compno].prec - 1);
            int min = tcd->image->comps[compno].sgnd ? 
                  -(1 << (tcd->image->comps[compno].prec - 1)) : 0;
            int max = tcd->image->comps[compno].sgnd ? 
                  (1 << (tcd->image->comps[compno].prec - 1)) - 1 : (1 << tcd->image->comps[compno].prec) - 1;
            
            int tw = tilec->x1 - tilec->x0;
            int w = tcd->image->comps[compno].w;
            
            int i, j;
            int offset_x = int_ceildivpow2(tcd->image->comps[compno].x0, tcd->image->comps[compno].factor);
            int offset_y = int_ceildivpow2(tcd->image->comps[compno].y0, tcd->image->comps[compno].factor);
            
            for (j = res->y0; j < res->y1; j++) {
                  for (i = res->x0; i < res->x1; i++) {
                        int v;
                        float tmp = (float)((tilec->data[i - res->x0 + (j - res->y0) * tw]) / 8192.0);

                        if (tcd->tcp->tccps[compno].qmfbid == 1) {
                              v = tilec->data[i - res->x0 + (j - res->y0) * tw];
                        } else {
                              int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
                              v = ((tmp < 0) ? -tmp2:tmp2);
                        }
                        v += adjust;
                        
                        tcd->image->comps[compno].data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
                  }
            }
      }
      
      tile_time = opj_clock() - tile_time;      /* time needed to decode a tile */
      opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
            
      for (compno = 0; compno < tile->numcomps; compno++) {
            opj_free(tcd->tcd_image->tiles[tileno].comps[compno].data);
            tcd->tcd_image->tiles[tileno].comps[compno].data = NULL;
      }
      
      if (eof) {
            return false;
      }
      
      return true;
}

01354 void tcd_free_decode(opj_tcd_t *tcd) {
      int tileno,compno,resno,bandno,precno;

      opj_tcd_image_t *tcd_image = tcd->tcd_image;
      
      for (tileno = 0; tileno < tcd_image->tw * tcd_image->th; tileno++) {
            opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
            for (compno = 0; compno < tile->numcomps; compno++) {
                  opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
                  for (resno = 0; resno < tilec->numresolutions; resno++) {
                        opj_tcd_resolution_t *res = &tilec->resolutions[resno];
                        for (bandno = 0; bandno < res->numbands; bandno++) {
                              opj_tcd_band_t *band = &res->bands[bandno];
                              for (precno = 0; precno < res->ph * res->pw; precno++) {
                                    opj_tcd_precinct_t *prec = &band->precincts[precno];
                                    if (prec->cblks != NULL) opj_free(prec->cblks);
                                    if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
                                    if (prec->incltree != NULL) tgt_destroy(prec->incltree);
                              }
                              if (band->precincts != NULL) opj_free(band->precincts);
                        }
                  }
                  if (tilec->resolutions != NULL) opj_free(tilec->resolutions);
            }
            if (tile->comps != NULL) opj_free(tile->comps);
      }

      if (tcd_image->tiles != NULL) opj_free(tcd_image->tiles);
}


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