Initial revision

1 files changed, 1601 insertions, 0 deletions

diff --git a/jpwl/decoder/libopenjpeg/tcd.c b/jpwl/decoder/libopenjpeg/tcd.c
new file mode 100644
index 00000000..b3b27dd5
--- /dev/null
+++ b/jpwl/decoder/libopenjpeg/tcd.c
@@ -0,0 +1,1601 @@
+/*
+ * 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] =
+	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));
+      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] =
+	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));
+      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 == 0) {
+		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;	//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 = int_min(tcd_tcp->rates[layno], len);
+    volatile double goodthresh;
+    volatile int goodlen;
+    volatile int i;
+    double distotarget;		//add fixed_quality
+
+    distotarget = tcd_tile->distotile - ((K * maxSE) / pow(10, tcd_tcp->distoratio[layno] / 10));	// add fixed_quality
+
+    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;
+      goodlen = l;
+
+    }
+
+    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;
+}