openjpeg/libopenjpeg/tcd.c

/*
 * Copyright (c) 2001-2002, David Janssens
 * Copyright (c) 2002-2004, Yannick Verschueren
 * Copyright (c) 2002-2004, 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 "tcd.h"
#include "int.h"
#include "t1.h"
#include "t2.h"
#include "dwt.h"
#include "mct.h"
#include <setjmp.h>
#include <float.h>
#include <stdio.h>
#include <time.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>

static tcd_image_t tcd_image;

static j2k_image_t *tcd_img;
static j2k_cp_t *tcd_cp;

static tcd_tile_t *tcd_tile;
static j2k_tcp_t *tcd_tcp;
static int tcd_tileno;

static tcd_tile_t *tile;
static tcd_tilecomp_t *tilec;
static tcd_resolution_t *res;
static tcd_band_t *band;
static tcd_precinct_t *prc;
static tcd_cblk_t *cblk;

extern jmp_buf j2k_error;

void
tcd_dump (tcd_image_t * img, int curtileno)
{
  int tileno, compno, resno, bandno, precno, cblkno;
  fprintf (stderr, "image {\n");
  fprintf (stderr, "  tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n", img->tw,
	   img->th, tcd_img->x0, tcd_img->x1, tcd_img->y0, tcd_img->y1);
  for (tileno = 0; tileno < img->th * img->tw; tileno++)
    {
      tcd_tile_t *tile = &tcd_image.tiles[tileno];
      fprintf (stderr, "  tile {\n");
      fprintf (stderr, "    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++)
	{
	  tcd_tilecomp_t *tilec = &tile->comps[compno];
	  fprintf (stderr, "    tilec {\n");
	  fprintf (stderr,
		   "      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++)
	    {
	      tcd_resolution_t *res = &tilec->resolutions[resno];
	      fprintf (stderr, "\n   res {\n");
	      fprintf (stderr,
		       "          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++)
		{
		  tcd_band_t *band = &res->bands[bandno];
		  fprintf (stderr, "        band {\n");
		  fprintf (stderr,
			   "          x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%d, numbps=%d\n",
			   band->x0, band->y0, band->x1, band->y1,
			   band->stepsize, band->numbps);
		  for (precno = 0; precno < res->pw * res->ph; precno++)
		    {
		      tcd_precinct_t *prec = &band->precincts[precno];
		      fprintf (stderr, "          prec {\n");
		      fprintf (stderr,
			       "            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++)
			{
			  tcd_cblk_t *cblk = &prec->cblks[cblkno];
			  fprintf (stderr, "            cblk {\n");
			  fprintf (stderr,
				   "              x0=%d, y0=%d, x1=%d, y1=%d\n",
				   cblk->x0, cblk->y0, cblk->x1, cblk->y1);
			  fprintf (stderr, "            }\n");
			}
		      fprintf (stderr, "          }\n");
		    }
		  fprintf (stderr, "        }\n");
		}
	      fprintf (stderr, "      }\n");
	    }
	  fprintf (stderr, "    }\n");
	}
      fprintf (stderr, "  }\n");
    }
  fprintf (stderr, "}\n");
}

void
tcd_malloc_encode (j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
  int tileno, compno, resno, bandno, precno, cblkno;
  tcd_img = img;
  tcd_cp = cp;
  tcd_image.tw = cp->tw;
  tcd_image.th = cp->th;
  tcd_image.tiles = (tcd_tile_t *) malloc (sizeof (tcd_tile_t));

  for (tileno = 0; tileno < 1; tileno++)
    {
      j2k_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 */
      /* tcd_tile_t *tile=&tcd_image.tiles[tileno]; */
      tile = tcd_image.tiles;
      /* 4 borders of the tile rescale on the image if necessary */
      tile->x0 = int_max (cp->tx0 + p * cp->tdx, img->x0);
      tile->y0 = int_max (cp->ty0 + q * cp->tdy, img->y0);
      tile->x1 = int_min (cp->tx0 + (p + 1) * cp->tdx, img->x1);
      tile->y1 = int_min (cp->ty0 + (q + 1) * cp->tdy, img->y1);
      tile->numcomps = img->numcomps;
      /* tile->PPT=img->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) * img->comps[0].prec, (tcp->rates[j] * 8 * img->comps[0].dx * img->comps[0].dy)) : 0;	//Mod antonin losslessbug
	  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 =
	(tcd_tilecomp_t *) malloc (img->numcomps * sizeof (tcd_tilecomp_t));
      for (compno = 0; compno < tile->numcomps; compno++)
	{
	  j2k_tccp_t *tccp = &tcp->tccps[compno];
	  /* tcd_tilecomp_t *tilec=&tile->comps[compno]; */
	  tilec = &tile->comps[compno];
	  /* border of each tile component (global) */
	  tilec->x0 = int_ceildiv (tile->x0, img->comps[compno].dx);

	  tilec->y0 = int_ceildiv (tile->y0, img->comps[compno].dy);
	  tilec->x1 = int_ceildiv (tile->x1, img->comps[compno].dx);
	  tilec->y1 = int_ceildiv (tile->y1, img->comps[compno].dy);

	  tilec->data =
	    (int *) malloc ((tilec->x1 - tilec->x0) *
			    (tilec->y1 - tilec->y0) * sizeof (int));
	  tilec->numresolutions = tccp->numresolutions;

	  tilec->resolutions =
	    (tcd_resolution_t *) malloc (tilec->numresolutions *
					 sizeof (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;
	      /* tcd_resolution_t *res=&tilec->resolutions[resno]; */

	      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;
		  j2k_stepsize_t *ss;
		  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 = img->comps[compno].prec + gain;
		  band->stepsize =
		    (int) floor ((1.0 + ss->mant / 2048.0) *
				 pow (2.0, numbps - ss->expn) * 8192.0);
		  band->numbps = ss->expn + tccp->numgbits - 1;	/* WHY -1 ? */

		  band->precincts =
		    (tcd_precinct_t *) malloc (3 * res->pw * res->ph *
					       sizeof (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);
		      /* tcd_precinct_t *prc=&band->precincts[precno]; */
		      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 =
			(tcd_cblk_t *) malloc ((prc->cw * prc->ch) *
					       sizeof (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);

			  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(&tcd_image,curtileno); */
}

void
tcd_free_encode (j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
  int tileno, compno, resno, bandno, precno;
  tcd_img = img;
  tcd_cp = cp;
  tcd_image.tw = cp->tw;
  tcd_image.th = cp->th;
  for (tileno = 0; tileno < 1; tileno++)
    {
      /* j2k_tcp_t *tcp=&cp->tcps[curtileno]; */
      tile = tcd_image.tiles;
      for (compno = 0; compno < tile->numcomps; compno++)
	{
	  tilec = &tile->comps[compno];
	  for (resno = 0; resno < tilec->numresolutions; resno++)
	    {
	      res = &tilec->resolutions[resno];
	      for (bandno = 0; bandno < res->numbands; bandno++)
		{
		  band = &res->bands[bandno];
		  for (precno = 0; precno < res->pw * res->ph; precno++)
		    {
		      prc = &band->precincts[precno];

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

void
tcd_init_encode (j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
  int tileno, compno, resno, bandno, precno, cblkno;

  for (tileno = 0; tileno < 1; tileno++)
    {
      j2k_tcp_t *tcp = &cp->tcps[curtileno];
      int j;
      //              int previous_x0, previous_x1, previous_y0, previous_y1;
      /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
      int p = curtileno % cp->tw;
      int q = curtileno / cp->tw;
      tile = tcd_image.tiles;

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

      tile->numcomps = img->numcomps;
      /* tile->PPT=img->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) * img->comps[0].prec, (tcp->rates[j] * 8 * img->comps[0].dx * img->comps[0].dy)) : 0;	//Mod antonin losslessbug
	  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=(tcd_tilecomp_t*)realloc(tile->comps,img->numcomps*sizeof(tcd_tilecomp_t)); */
      for (compno = 0; compno < tile->numcomps; compno++)
	{
	  j2k_tccp_t *tccp = &tcp->tccps[compno];
	  /* int realloc_op; */

	  tilec = &tile->comps[compno];
	  /* border of each tile component (global) */
	  tilec->x0 = int_ceildiv (tile->x0, img->comps[compno].dx);
	  tilec->y0 = int_ceildiv (tile->y0, img->comps[compno].dy);
	  tilec->x1 = int_ceildiv (tile->x1, img->comps[compno].dx);
	  tilec->y1 = int_ceildiv (tile->y1, img->comps[compno].dy);

	  tilec->data =
	    (int *) malloc ((tilec->x1 - tilec->x0) *
			    (tilec->y1 - tilec->y0) * sizeof (int));
	  tilec->numresolutions = tccp->numresolutions;
	  /* tilec->resolutions=(tcd_resolution_t*)realloc(tilec->resolutions,tilec->numresolutions*sizeof(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;

	      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;
		  j2k_stepsize_t *ss;
		  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 = img->comps[compno].prec + gain;
		  band->stepsize =
		    (int) floor ((1.0 + ss->mant / 2048.0) *
				 pow (2.0, numbps - ss->expn) * 8192.0);
		  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);

		      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;

		      free (prc->cblks);
		      prc->cblks =
			(tcd_cblk_t *) malloc (prc->cw * prc->ch *
					       sizeof (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);
			  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(&tcd_image,0); */
}

void
tcd_init (j2k_image_t * img, j2k_cp_t * cp)
{
  int tileno, compno, resno, bandno, precno, cblkno, i, j;
  unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h, p, q;
  tcd_img = img;
  tcd_cp = cp;
  tcd_image.tw = cp->tw;
  tcd_image.th = cp->th;
  tcd_image.tiles =
    (tcd_tile_t *) malloc (cp->tw * cp->th * sizeof (tcd_tile_t));

  /*for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
     j2k_tcp_t *tcp = &cp->tcps[tileno];
     tcd_tile_t *tile = &tcd_image.tiles[tileno]; */

  for (i = 0; i < cp->tileno_size; i++)
    {
      j2k_tcp_t *tcp = &cp->tcps[cp->tileno[i]];
      tcd_tile_t *tile = &tcd_image.tiles[cp->tileno[i]];
      tileno = cp->tileno[i];


      //              int previous_x0, previous_x1, previous_y0, previous_y1;
      /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
      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, img->x0);
      tile->y0 = int_max (cp->ty0 + q * cp->tdy, img->y0);
      tile->x1 = int_min (cp->tx0 + (p + 1) * cp->tdx, img->x1);
      tile->y1 = int_min (cp->ty0 + (q + 1) * cp->tdy, img->y1);

      tile->numcomps = img->numcomps;
      tile->comps =
	(tcd_tilecomp_t *) malloc (img->numcomps * sizeof (tcd_tilecomp_t));
      for (compno = 0; compno < tile->numcomps; compno++)
	{
	  j2k_tccp_t *tccp = &tcp->tccps[compno];
	  tcd_tilecomp_t *tilec = &tile->comps[compno];
	  /* border of each tile component (global) */
	  tilec->x0 = int_ceildiv (tile->x0, img->comps[compno].dx);
	  tilec->y0 = int_ceildiv (tile->y0, img->comps[compno].dy);
	  tilec->x1 = int_ceildiv (tile->x1, img->comps[compno].dx);
	  tilec->y1 = int_ceildiv (tile->y1, img->comps[compno].dy);

	  tilec->data =
	    (int *) malloc ((tilec->x1 - tilec->x0) *
			    (tilec->y1 - tilec->y0) * sizeof (int));
	  tilec->numresolutions = tccp->numresolutions;
	  tilec->resolutions =
	    (tcd_resolution_t *) malloc (tilec->numresolutions *
					 sizeof (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;
	      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);	// Mod Antonin : sizebug1
	      res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);	// Mod Antonin : sizebug1

	      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;
		  j2k_stepsize_t *ss;
		  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 = img->comps[compno].prec + gain;
		  band->stepsize =
		    (int) floor ((1.0 + ss->mant / 2048.0) *
				 pow (2.0, numbps - ss->expn) * 8192.0);
		  band->numbps = ss->expn + tccp->numgbits - 1;	/* WHY -1 ? */

		  band->precincts =
		    (tcd_precinct_t *) malloc (res->pw * res->ph *
					       sizeof (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);
		      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 =
			(tcd_cblk_t *) malloc (prc->cw * prc->ch *
					       sizeof (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);
			  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);



			  cblk->lastbp = 0;	// Add Antonin : quantizbug1
			}
		    }
		}
	    }
	}
    }
  //tcd_dump(&tcd_image,0);


  /* Allocate place to store the data decoded = final image */
  /* Place limited by the tile really present in the codestream */


  for (i = 0; i < img->numcomps; i++)
    {
      for (j = 0; j < cp->tileno_size; j++)
	{
	  tileno = cp->tileno[j];
	  x0 = j == 0 ? tcd_image.tiles[tileno].comps[i].x0 : int_min (x0,
								       tcd_image.
								       tiles
								       [tileno].
								       comps
								       [i].
								       x0);
	  y0 =
	    j == 0 ? tcd_image.tiles[tileno].comps[i].y0 : int_min (y0,
								    tcd_image.
								    tiles
								    [tileno].
								    comps[i].
								    y0);
	  x1 =
	    j == 0 ? tcd_image.tiles[tileno].comps[i].x1 : int_max (x1,
								    tcd_image.
								    tiles
								    [tileno].
								    comps[i].
								    x1);
	  y1 =
	    j == 0 ? tcd_image.tiles[tileno].comps[i].y1 : int_max (y1,
								    tcd_image.
								    tiles
								    [tileno].
								    comps[i].
								    y1);
	}
      //w = int_ceildiv(x1 - x0, img->comps[i].dx);
      //h = int_ceildiv(y1 - y0, img->comps[i].dy);

      w = x1 - x0;

      h = y1 - y0;
      img->comps[i].data = (int *) calloc (w * h, sizeof (int));
      img->comps[i].w = w;
      img->comps[i].h = h;
      img->comps[i].x0 = x0;
      img->comps[i].y0 = y0;
    }
}

void
tcd_makelayer_fixed (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;

  /*matrice=(int*)malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */

  for (compno = 0; compno < tcd_tile->numcomps; compno++)
    {
      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) (tcd_cp->
			   matrice[i * tilec->numresolutions * 3 +
				   j * 3 +
				   k] *
			   (float) (tcd_img->comps[compno].prec / 16.0));
	}}}

      for (resno = 0; resno < tilec->numresolutions; resno++)
	{
	  tcd_resolution_t *res = &tilec->resolutions[resno];
	  for (bandno = 0; bandno < res->numbands; bandno++)
	    {
	      tcd_band_t *band = &res->bands[bandno];
	      for (precno = 0; precno < res->pw * res->ph; precno++)
		{
		  tcd_precinct_t *prc = &band->precincts[precno];
		  for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++)
		    {
		      tcd_cblk_t *cblk = &prc->cblks[cblkno];
		      tcd_layer_t *layer = &cblk->layers[layno];
		      int n;
		      int imsb = tcd_img->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 ()
{
  int layno;

  for (layno = 0; layno < tcd_tcp->numlayers; layno++)
    {
      tcd_makelayer_fixed (layno, 1);
    }
}

void
tcd_makelayer (int layno, double thresh, int final)
{
  int compno, resno, bandno, precno, cblkno, passno;

  tcd_tile->distolayer[layno] = 0;	//add fixed_quality

  for (compno = 0; compno < tcd_tile->numcomps; compno++)
    {
      tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
      for (resno = 0; resno < tilec->numresolutions; resno++)
	{
	  tcd_resolution_t *res = &tilec->resolutions[resno];
	  for (bandno = 0; bandno < res->numbands; bandno++)
	    {
	      tcd_band_t *band = &res->bands[bandno];
	      for (precno = 0; precno < res->pw * res->ph; precno++)
		{
		  tcd_precinct_t *prc = &band->precincts[precno];
		  for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++)
		    {
		      tcd_cblk_t *cblk = &prc->cblks[cblkno];
		      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;
			  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)
				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;	//add fixed_quality

		      if (final)
			cblk->numpassesinlayers = n;
		    }
		}
	    }
	}
    }
}

void
tcd_rateallocate (unsigned char *dest, int len, info_image * info_IM)
{
  int compno, resno, bandno, precno, cblkno, passno, layno;
  double min, max;
  double cumdisto[100];		//add fixed_quality
  const double K = 1;		// 1.1; //add fixed_quality

  double maxSE = 0;
  min = DBL_MAX;
  max = 0;

  tcd_tile->nbpix = 0;		//add fixed_quality

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

      tilec->nbpix = 0;
      for (resno = 0; resno < tilec->numresolutions; resno++)
	{
	  tcd_resolution_t *res = &tilec->resolutions[resno];
	  for (bandno = 0; bandno < res->numbands; bandno++)
	    {
	      tcd_band_t *band = &res->bands[bandno];
	      for (precno = 0; precno < res->pw * res->ph; precno++)
		{
		  tcd_precinct_t *prc = &band->precincts[precno];
		  for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++)
		    {
		      tcd_cblk_t *cblk = &prc->cblks[cblkno];
		      for (passno = 0; passno < cblk->totalpasses; passno++)
			{
			  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 */

		      tcd_tile->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));	//add fixed_quality

		      tilec->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));	//add fixed_quality

		    }		/* cbklno */
		}		/* precno */
	    }			/* bandno */
	}			/* resno */

      maxSE +=
	(double) (((1 << tcd_img->comps[compno].prec) -
		   1) * ((1 << tcd_img->comps[compno].prec) -
			 1)) * (tilec->nbpix);
    }				/* compno */

  /* add antonin index */
  if (info_IM->index_on)
    {
      info_tile *info_TL = &info_IM->tile[tcd_tileno];
      info_TL->nbpix = tcd_tile->nbpix;
      info_TL->distotile = tcd_tile->distotile;
      info_TL->thresh =
	(double *) malloc (tcd_tcp->numlayers * sizeof (double));
    }
  /* dda */

  for (layno = 0; layno < tcd_tcp->numlayers; layno++)
    {
      volatile double lo = min;
      volatile double hi = max;
      volatile int success = 0;
      volatile int maxlen = tcd_tcp->rates[layno] ? int_min (tcd_tcp->rates[layno], len) : len;	//Mod antonin losslessbug
      volatile double goodthresh;
      volatile int i;
      double distotarget;	//add fixed_quality

      distotarget = tcd_tile->distotile - ((K * maxSE) / pow (10, tcd_tcp->distoratio[layno] / 10));	// add fixed_quality

      if (tcd_tcp->rates[layno])
	{
	  for (i = 0; i < 32; i++)
	    {
	      volatile double thresh = (lo + hi) / 2;
	      int l = 0;
	      double distoachieved = 0;	// add fixed_quality

	      tcd_makelayer (layno, thresh, 0);

	      if (tcd_cp->fixed_quality)
		{		// add 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 (tcd_img, tcd_cp, tcd_tileno, tcd_tile,
				       layno + 1, dest, maxlen, info_IM);
		  /* fprintf(stderr, "rate alloc: len=%d, max=%d\n", l, maxlen); */
		  if (l == -999)
		    {
		      lo = thresh;
		      continue;
		    }
		  hi = thresh;
		}

	      success = 1;
	      goodthresh = thresh;
	    }
	}
      else
	{
	  success = 1;
	  goodthresh = min;
	}

      if (!success)
	{
	  longjmp (j2k_error, 1);
	}

      if (info_IM->index_on)
	{			/* Threshold for Marcela Index */
	  info_IM->tile[tcd_tileno].thresh[layno] = goodthresh;
	}
      tcd_makelayer (layno, goodthresh, 1);

      cumdisto[layno] = layno == 0 ? tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];	// add fixed_quality
    }
}

int
tcd_encode_tile_pxm (int tileno, unsigned char *dest, int len,
		     info_image * info_IM)
{
  int compno;
  int l, i;
  clock_t time7;
  tcd_tile_t *tile;
  j2k_tcp_t *tcp = &tcd_cp->tcps[0];
  j2k_tccp_t *tccp = &tcp->tccps[0];

  tcd_tileno = tileno;
  tcd_tile = tcd_image.tiles;
  tcd_tcp = &tcd_cp->tcps[tileno];
  tile = tcd_tile;
  /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
  if (info_IM->index_on)
    {
      tcd_tilecomp_t *tilec_idx = &tile->comps[0];	//Based on Component 0

      for (i = 0; i < tilec_idx->numresolutions; i++)
	{

	  tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];

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

	  info_IM->tile[tileno].pdx[i] = tccp->prcw[i];
	  info_IM->tile[tileno].pdy[i] = tccp->prch[i];

	}
    }
  /* << INDEX */

/*---------------TILE-------------------*/

  time7 = clock ();

  for (compno = 0; compno < tile->numcomps; compno++)
    {
      FILE *src;
      char tmp[256];
      int k;
      unsigned char elmt;
      int i, j;
      int tw, w;
      tcd_tilecomp_t *tilec = &tile->comps[compno];
      int adjust =
	tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].
						prec - 1);
      int offset_x, offset_y;

      offset_x = int_ceildiv (tcd_img->x0, tcd_img->comps[compno].dx);
      offset_y = int_ceildiv (tcd_img->y0, tcd_img->comps[compno].dy);
      tw = tilec->x1 - tilec->x0;
      w = int_ceildiv (tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
      sprintf (tmp, "Compo%d", compno);	/* component file */
      src = fopen (tmp, "rb");
      if (!src)
	{
	  fprintf (stderr, "failed to open %s for reading\n", tmp);
	  return 1;
	}

      /* read the Compo file to extract data of the tile */
      k = 0;
      fseek (src, (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w,
	     SEEK_SET);
      k = (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w;
      for (j = tilec->y0; j < tilec->y1; j++)
	{
	  for (i = tilec->x0; i < tilec->x1; i++)
	    {
	      if (tcd_tcp->tccps[compno].qmfbid == 1)
		{
		  elmt = fgetc (src);
		  tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] =
		    elmt - adjust;
		  k++;
		}
	      else if (tcd_tcp->tccps[compno].qmfbid == 0)
		{
		  elmt = fgetc (src);
		  tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] =
		    (elmt - adjust) << 13;
		  k++;
		}
	    }
	  fseek (src, (tilec->x0 - offset_x) + (j + 1 - offset_y) * w - k,
		 SEEK_CUR);
	  k = tilec->x0 - offset_x + (j + 1 - offset_y) * w;

	}
      fclose (src);
    }

/*----------------MCT-------------------*/

  if (tcd_tcp->mct)
    {
      if (tcd_tcp->tccps[0].qmfbid == 0)
	{
	  mct_encode_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));
	}
      else
	{
	  mct_encode (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));
	}
    }
/*----------------DWT---------------------*/

  /* time3=clock(); */
  for (compno = 0; compno < tile->numcomps; compno++)
    {
      tcd_tilecomp_t *tilec = &tile->comps[compno];
      if (tcd_tcp->tccps[compno].qmfbid == 1)
	{
	  dwt_encode (tilec->data, tilec->x1 - tilec->x0,
		      tilec->y1 - tilec->y0, tilec,
		      tilec->numresolutions - 1);
	}
      else if (tcd_tcp->tccps[compno].qmfbid == 0)
	{
	  dwt_encode_real (tilec->data, tilec->x1 - tilec->x0,
			   tilec->y1 - tilec->y0, tilec,
			   tilec->numresolutions - 1);
	}
    }
/*------------------TIER1-----------------*/

  t1_init_luts ();
  t1_encode_cblks (tile, tcd_tcp);

/*-----------RATE-ALLOCATE------------------*/
  info_IM->index_write = 0;	/* INDEX     */

  if (tcd_cp->disto_alloc || tcd_cp->fixed_quality)	// mod fixed_quality
    /* Normal Rate/distortion allocation */
    tcd_rateallocate (dest, len, info_IM);
  else
    /* Fixed layer allocation */
    tcd_rateallocate_fixed ();

/*--------------TIER2------------------*/
  info_IM->index_write = 1;	/* INDEX     */
  l = t2_encode_packets (tcd_img, tcd_cp, tileno, tile,
			 tcd_tcp->numlayers, dest, len, info_IM);
/*---------------CLEAN-------------------*/

  time7 = clock () - time7;
  printf ("total:     %ld.%.3ld s\n", time7 / CLOCKS_PER_SEC,
	  (time7 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);

  /* cleaning memory */
  for (compno = 0; compno < tile->numcomps; compno++)
    {
      tilec = &tile->comps[compno];
      free (tilec->data);
    }

  return l;
}

int
tcd_encode_tile_pgx (int tileno, unsigned char *dest, int len,
		     info_image * info_IM)
{
  int compno;
  int l, i;
  clock_t time;
  tcd_tile_t *tile;
  j2k_tcp_t *tcp = &tcd_cp->tcps[0];
  j2k_tccp_t *tccp = &tcp->tccps[0];

  tcd_tileno = tileno;
  tcd_tile = tcd_image.tiles;
  tcd_tcp = &tcd_cp->tcps[tileno];
  tile = tcd_tile;
  /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */

  if (info_IM->index_on)
    {

      tcd_tilecomp_t *tilec_idx = &tile->comps[0];	//Based on Component 0

      for (i = 0; i < tilec_idx->numresolutions; i++)
	{

	  tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];



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

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



	  info_IM->tile[tileno].pdx[i] = tccp->prcw[i];

	  info_IM->tile[tileno].pdy[i] = tccp->prch[i];

	}

    }

  /* << INDEX */
/*---------------TILE-------------------*/
  time = clock ();

  for (compno = 0; compno < tile->numcomps; compno++)
    {
      FILE *src;
      char tmp[256];
      int k;
      int elmt;
      int i, j;
      int tw, w;
      tcd_tilecomp_t *tilec = &tile->comps[compno];
      int adjust =
	tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].
						prec - 1);
      int offset_x, offset_y;

      offset_x = int_ceildiv (tcd_img->x0, tcd_img->comps[compno].dx);
      offset_y = int_ceildiv (tcd_img->y0, tcd_img->comps[compno].dy);
      tw = tilec->x1 - tilec->x0;
      w = int_ceildiv (tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
      sprintf (tmp, "bandtile%d", tileno / tcd_cp->tw + 1);	/* bandtile file opening */
      src = fopen (tmp, "rb");
      if (!src)
	{
	  fprintf (stderr, "failed to open %s for reading\n", tmp);
	  return 1;
	}
      /* Extract data from bandtile file limited to the current tile */
      k = 0;
      while (k < tilec->x0 - offset_x)
	{
	  k++;
	  fscanf (src, "%d", &elmt);
	}

      for (j = 0; j < tilec->y1 - tilec->y0; j++)
	{
	  for (i = tilec->x0; i < tilec->x1; i++)
	    {
	      if (tcd_tcp->tccps[compno].qmfbid == 1)
		{
		  fscanf (src, "%d", &elmt);
		  tilec->data[i - tilec->x0 + (j) * tw] = elmt - adjust;
		  k++;
		}
	      else if (tcd_tcp->tccps[compno].qmfbid == 0)
		{
		  fscanf (src, "%d", &elmt);
		  tilec->data[i - tilec->x0 + (j) * tw] =
		    (elmt - adjust) << 13;
		  k++;
		}
	    }
	  while (k < tilec->x0 - offset_x + (j + 1) * w)
	    {
	      k++;
	      fscanf (src, "%d", &elmt);
	    }
	}
      fclose (src);
    }

/*----------------MCT-------------------*/

  if (tcd_tcp->mct)
    {
      if (tcd_tcp->tccps[0].qmfbid == 0)
	{
	  mct_encode_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));
	}
      else
	{
	  mct_encode (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));
	}
    }

/*----------------DWT---------------------*/

  for (compno = 0; compno < tile->numcomps; compno++)
    {
      tcd_tilecomp_t *tilec = &tile->comps[compno];
      if (tcd_tcp->tccps[compno].qmfbid == 1)
	{
	  dwt_encode (tilec->data, tilec->x1 - tilec->x0,
		      tilec->y1 - tilec->y0, tilec,
		      tilec->numresolutions - 1);
	}
      else if (tcd_tcp->tccps[compno].qmfbid == 0)
	{
	  dwt_encode_real (tilec->data, tilec->x1 - tilec->x0,
			   tilec->y1 - tilec->y0, tilec,
			   tilec->numresolutions - 1);
	}
    }

/*------------------TIER1-----------------*/

  t1_init_luts ();
  t1_encode_cblks (tile, tcd_tcp);

/*-----------RATE-ALLOCATE------------------*/

  info_IM->index_write = 0;	/* INDEX */

  if (tcd_cp->disto_alloc || tcd_cp->fixed_quality)	// mod fixed_quality

    /* Normal Rate/distortion allocation */

    tcd_rateallocate (dest, len, info_IM);

  else
    /* Fixed layer allocation */

    tcd_rateallocate_fixed ();

/*--------------TIER2------------------*/
  info_IM->index_write = 1;	/* INDEX */

  l = t2_encode_packets (tcd_img, tcd_cp, tileno, tile,
			 tcd_tcp->numlayers, dest, len, info_IM);

 /*---------------CLEAN-------------------*/
  time = clock () - time;
  printf ("total:     %ld.%.3ld s\n", time / CLOCKS_PER_SEC,
	  (time % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);

  for (compno = 0; compno < tile->numcomps; compno++)
    {
      tilec = &tile->comps[compno];
      free (tilec->data);
    }

  return l;
}


int
tcd_decode_tile (unsigned char *src, int len, int tileno)
{
  int l;
  int compno;
  int eof = 0;
  clock_t time;
  tcd_tile_t *tile;

  tcd_tileno = tileno;
  tcd_tile = &tcd_image.tiles[tileno];
  tcd_tcp = &tcd_cp->tcps[tileno];
  tile = tcd_tile;

  time = clock ();

  fprintf (stderr, "tile decoding time %d/%d: ", tileno + 1,
	   tcd_cp->tw * tcd_cp->th);

	/*--------------TIER2------------------*/

  l = t2_decode_packets (src, len, tcd_img, tcd_cp, tileno, tile);

  if (l == -999)
    {
      eof = 1;
      fprintf (stderr, "tcd_decode: incomplete bistream\n");
    }

	/*------------------TIER1-----------------*/
  t1_init_luts ();
  t1_decode_cblks (tile, tcd_tcp);

	/*----------------DWT---------------------*/

  for (compno = 0; compno < tile->numcomps; compno++)
    {
      tcd_tilecomp_t *tilec = &tile->comps[compno];
      if (tcd_cp->reduce_on == 1)
	{
	  tcd_img->comps[compno].resno_decoded =
	    tile->comps[compno].numresolutions - tcd_cp->reduce_value - 1;
	}


      if (tcd_tcp->tccps[compno].qmfbid == 1)
	{
	  dwt_decode (tilec->data, tilec->x1 - tilec->x0,
		      tilec->y1 - tilec->y0, tilec,
		      tilec->numresolutions - 1,
		      tilec->numresolutions - 1 -
		      tcd_img->comps[compno].resno_decoded);
	}
      else
	{
	  dwt_decode_real (tilec->data, tilec->x1 - tilec->x0,
			   tilec->y1 - tilec->y0, tilec,
			   tilec->numresolutions - 1,
			   tilec->numresolutions - 1 -
			   tcd_img->comps[compno].resno_decoded);
	}

      if (tile->comps[compno].numresolutions > 0)
	tcd_img->comps[compno].factor =
	  tile->comps[compno].numresolutions -
	  (tcd_img->comps[compno].resno_decoded + 1);
    }

	/*----------------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++)
    {
      tcd_tilecomp_t *tilec = &tile->comps[compno];
      tcd_resolution_t *res =
	&tilec->resolutions[tcd_img->comps[compno].resno_decoded];
      int adjust =
	tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].
						prec - 1);
      int min =
	tcd_img->comps[compno].
	sgnd ? -(1 << (tcd_img->comps[compno].prec - 1)) : 0;
      int max =
	tcd_img->comps[compno].
	sgnd ? (1 << (tcd_img->comps[compno].prec - 1)) -
	1 : (1 << tcd_img->comps[compno].prec) - 1;

      int tw = tilec->x1 - tilec->x0;
      int w = tcd_img->comps[compno].w;

      int i, j;
      int offset_x = int_ceildivpow2 (tcd_img->comps[compno].x0,
				      tcd_img->comps[compno].factor);
      int offset_y = int_ceildivpow2 (tcd_img->comps[compno].y0,
				      tcd_img->comps[compno].factor);

      for (j = res->y0; j < res->y1; j++)
	{
	  for (i = res->x0; i < res->x1; i++)
	    {

	      int v;

	      double tmp =
		(double) tilec->data[i - res->x0 + (j - res->y0) * tw];
	      if (tcd_tcp->tccps[compno].qmfbid == 1)
		{
		  v = (int) tmp;
		}
	      else
		{

		  //v = (int) tmp >> 13;

		  //Mod antonin : multbug1
		  v =
		    (int) ((fabs (tmp / 8192.0) >=
			    floor (fabs (tmp / 8192.0)) +
			    0.5) ? fabs (tmp / 8192.0) +
			   1.0 : fabs (tmp / 8192.0));

		  v = (tmp < 0) ? -v : v;

		  //doM
		}
	      v += adjust;

	      tcd_img->comps[compno].data[(i - offset_x) +
					  (j - offset_y) * w] =
		int_clamp (v, min, max);
	    }
	}
    }

  time = clock () - time;
  fprintf (stderr, "total:     %ld.%.3ld s\n", time / CLOCKS_PER_SEC,
	   (time % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);

  for (compno = 0; compno < tile->numcomps; compno++)
    {
      free (tcd_image.tiles[tileno].comps[compno].data);
    }

  if (eof)
    {
      longjmp (j2k_error, 1);
    }

  return l;
}