openjpeg/libopenjpeg/tcd.c

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2003-11-27 11:10:17 +01:00
/*
* Copyright (c) 2001-2002, David Janssens
2004-02-13 10:47:40 +01:00
* Copyright (c) 2002-2004, Yannick Verschueren
* Copyright (c) 2002-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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* 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;
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void
tcd_dump (tcd_image_t * img, int curtileno)
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{
int tileno, compno, resno, bandno, precno, cblkno;
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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");
}
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fprintf (stderr, " }\n");
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}
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fprintf (stderr, " }\n");
}
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fprintf (stderr, "}\n");
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}
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void
tcd_malloc_encode (j2k_image_t * img, j2k_cp_t * cp, int curtileno)
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{
int tileno, compno, resno, bandno, precno, cblkno;
tcd_img = img;
tcd_cp = cp;
tcd_image.tw = cp->tw;
tcd_image.th = cp->th;
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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;
}
}
}
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/* << 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);
}
}
}
}
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}
}
/* tcd_dump(&tcd_image,curtileno); */
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}
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void
tcd_free_encode (j2k_image_t * img, j2k_cp_t * cp, int curtileno)
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{
int tileno, compno, resno, bandno, precno;
tcd_img = img;
tcd_cp = cp;
tcd_image.tw = cp->tw;
tcd_image.th = cp->th;
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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);
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}
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void
tcd_init_encode (j2k_image_t * img, j2k_cp_t * cp, int curtileno)
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{
int tileno, compno, resno, bandno, precno, cblkno;
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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;
}
}
}
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/* << 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);
}
}
}
}
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}
}
/* tcd_dump(&tcd_image,0); */
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}
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void
tcd_init (j2k_image_t * img, j2k_cp_t * cp)
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{
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 =
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(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]; */
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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
}
}
}
}
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}
}
//tcd_dump(&tcd_image,0);
/* Allocate place to store the data decoded = final image */
/* Place limited by the tile really present in the codestream */
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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;
}
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}
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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)); */
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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;
}
}
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}
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}
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}
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}
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void
tcd_rateallocate_fixed ()
{
int layno;
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for (layno = 0; layno < tcd_tcp->numlayers; layno++)
{
tcd_makelayer_fixed (layno, 1);
}
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}
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void
tcd_makelayer (int layno, double thresh, int final)
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{
int compno, resno, bandno, precno, cblkno, passno;
tcd_tile->distolayer[layno] = 0; //add fixed_quality
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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;
}
}
}
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}
}
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}
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void
tcd_rateallocate (unsigned char *dest, int len, info_image * info_IM)
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{
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
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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 */
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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 */
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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;
}
}
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else
{
success = 1;
goodthresh = min;
}
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if (!success)
{
longjmp (j2k_error, 1);
}
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if (info_IM->index_on)
{ /* Threshold for Marcela Index */
info_IM->tile[tcd_tileno].thresh[layno] = goodthresh;
}
tcd_makelayer (layno, goodthresh, 1);
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cumdisto[layno] = layno == 0 ? tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno]; // add fixed_quality
}
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}
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int
tcd_encode_tile_pxm (int tileno, unsigned char *dest, int len,
info_image * info_IM)
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{
int compno;
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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" */
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if (info_IM->index_on)
{
tcd_tilecomp_t *tilec_idx = &tile->comps[0]; //Based on Component 0
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for (i = 0; i < tilec_idx->numresolutions; i++)
{
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tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
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info_IM->tile[tileno].pw[i] = res_idx->pw;
info_IM->tile[tileno].ph[i] = res_idx->ph;
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info_IM->tile[tileno].pdx[i] = tccp->prcw[i];
info_IM->tile[tileno].pdy[i] = tccp->prch[i];
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}
}
/* << INDEX */
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/*---------------TILE-------------------*/
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time7 = clock ();
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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;
}
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/* 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);
}
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/*----------------MCT-------------------*/
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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));
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}
}
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/*----------------DWT---------------------*/
/* time3=clock(); */
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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);
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}
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);
}
}
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/*------------------TIER1-----------------*/
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t1_init_luts ();
t1_encode_cblks (tile, tcd_tcp);
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/*-----------RATE-ALLOCATE------------------*/
info_IM->index_write = 0; /* INDEX */
if (tcd_cp->disto_alloc || tcd_cp->fixed_quality) // mod fixed_quality
/* Normal Rate/distortion allocation */
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tcd_rateallocate (dest, len, info_IM);
else
/* Fixed layer allocation */
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tcd_rateallocate_fixed ();
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/*--------------TIER2------------------*/
info_IM->index_write = 1; /* INDEX */
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l = t2_encode_packets (tcd_img, tcd_cp, tileno, tile,
tcd_tcp->numlayers, dest, len, info_IM);
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/*---------------CLEAN-------------------*/
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time7 = clock () - time7;
printf ("total: %ld.%.3ld s\n", time7 / CLOCKS_PER_SEC,
(time7 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
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/* cleaning memory */
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for (compno = 0; compno < tile->numcomps; compno++)
{
tilec = &tile->comps[compno];
free (tilec->data);
}
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return l;
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}
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int
tcd_encode_tile_pgx (int tileno, unsigned char *dest, int len,
info_image * info_IM)
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{
int compno;
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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" */
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if (info_IM->index_on)
{
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tcd_tilecomp_t *tilec_idx = &tile->comps[0]; //Based on Component 0
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for (i = 0; i < tilec_idx->numresolutions; i++)
{
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tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
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info_IM->tile[tileno].pw[i] = res_idx->pw;
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info_IM->tile[tileno].ph[i] = res_idx->ph;
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info_IM->tile[tileno].pdx[i] = tccp->prcw[i];
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info_IM->tile[tileno].pdy[i] = tccp->prch[i];
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}
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}
/* << INDEX */
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/*---------------TILE-------------------*/
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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++;
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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);
}
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}
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fclose (src);
}
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/*----------------MCT-------------------*/
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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));
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}
}
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/*----------------DWT---------------------*/
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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);
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}
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);
}
}
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/*------------------TIER1-----------------*/
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t1_init_luts ();
t1_encode_cblks (tile, tcd_tcp);
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/*-----------RATE-ALLOCATE------------------*/
info_IM->index_write = 0; /* INDEX */
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if (tcd_cp->disto_alloc || tcd_cp->fixed_quality) // mod fixed_quality
/* Normal Rate/distortion allocation */
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tcd_rateallocate (dest, len, info_IM);
else
/* Fixed layer allocation */
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tcd_rateallocate_fixed ();
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/*--------------TIER2------------------*/
info_IM->index_write = 1; /* INDEX */
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l = t2_encode_packets (tcd_img, tcd_cp, tileno, tile,
tcd_tcp->numlayers, dest, len, info_IM);
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/*---------------CLEAN-------------------*/
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time = clock () - time;
printf ("total: %ld.%.3ld s\n", time / CLOCKS_PER_SEC,
(time % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
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for (compno = 0; compno < tile->numcomps; compno++)
{
tilec = &tile->comps[compno];
free (tilec->data);
}
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return l;
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}
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int
tcd_decode_tile (unsigned char *src, int len, int tileno)
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{
int l;
int compno;
int eof = 0;
clock_t time;
tcd_tile_t *tile;
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tcd_tileno = tileno;
tcd_tile = &tcd_image.tiles[tileno];
tcd_tcp = &tcd_cp->tcps[tileno];
tile = tcd_tile;
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time = clock ();
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fprintf (stderr, "tile decoding time %d/%d: ", tileno + 1,
tcd_cp->tw * tcd_cp->th);
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/*--------------TIER2------------------*/
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l = t2_decode_packets (src, len, tcd_img, tcd_cp, tileno, tile);
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if (l == -999)
{
eof = 1;
fprintf (stderr, "tcd_decode: incomplete bistream\n");
}
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/*------------------TIER1-----------------*/
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t1_init_luts ();
t1_decode_cblks (tile, tcd_tcp);
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/*----------------DWT---------------------*/
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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;
}
2004-08-03 16:06:10 +02:00
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);
2004-08-03 16:06:10 +02:00
}
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);
}
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if (tile->comps[compno].numresolutions > 0)
tcd_img->comps[compno].factor =
tile->comps[compno].numresolutions -
(tcd_img->comps[compno].resno_decoded + 1);
}
/*----------------MCT-------------------*/
2003-11-27 11:10:17 +01:00
2004-08-03 16:06:10 +02:00
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));
2004-08-03 16:06:10 +02:00
}
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));
}
}
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/*---------------TILE-------------------*/
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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
{
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//v = (int) tmp >> 13;
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//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));
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v = (tmp < 0) ? -v : v;
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//doM
}
v += adjust;
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tcd_img->comps[compno].data[(i - offset_x) +
(j - offset_y) * w] =
int_clamp (v, min, max);
}
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}
}
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time = clock () - time;
fprintf (stderr, "total: %ld.%.3ld s\n", time / CLOCKS_PER_SEC,
(time % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
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for (compno = 0; compno < tile->numcomps; compno++)
{
free (tcd_image.tiles[tileno].comps[compno].data);
}
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if (eof)
{
longjmp (j2k_error, 1);
}
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return l;
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}