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openjpeg/mj2/libopenjpeg_097/tcd.c

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MJ2 codec restructuration. Created libopenjpeg_097 directory and moved libopenjpeg files version 0.97 to this directory
2006-12-08 18:07:44 +01:00
/*
* 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;
(void)curtileno;
fprintf(stdout, "image {\n");
fprintf(stdout, " 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(stdout, " tile {\n");
fprintf(stdout, " 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(stdout, " tilec {\n");
fprintf(stdout,
" 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(stdout, "\n res {\n");
fprintf(stdout,
" 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(stdout, " band {\n");
fprintf(stdout,
" x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
band->x0, band->y0, band->x1, band->y1,
band->stepsize, band->numbps);
for (precno = 0; precno < res->pw * res->ph; precno++) {
tcd_precinct_t *prec = &band->precincts[precno];
fprintf(stdout, " prec {\n");
fprintf(stdout,
" 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(stdout, " cblk {\n");
fprintf(stdout,
" x0=%d, y0=%d, x1=%d, y1=%d\n",
cblk->x0, cblk->y0, cblk->x1, cblk->y1);
fprintf(stdout, " }\n");
}
fprintf(stdout, " }\n");
}
fprintf(stdout, " }\n");
}
fprintf(stdout, " }\n");
}
fprintf(stdout, " }\n");
}
fprintf(stdout, " }\n");
}
fprintf(stdout, "}\n");
}
void tcd_malloc_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
int tileno, compno, resno, bandno, precno, cblkno;
tcd_img = img;
tcd_cp = cp;
tcd_image.tw = cp->tw;
tcd_image.th = cp->th;
tcd_image.tiles = (tcd_tile_t *) malloc(sizeof(tcd_tile_t));
for (tileno = 0; tileno < 1; tileno++) {
j2k_tcp_t *tcp = &cp->tcps[curtileno];
int j;
/* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
int p = curtileno % cp->tw; /* si numerotation matricielle .. */
int q = curtileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
/* tcd_tile_t *tile=&tcd_image.tiles[tileno]; */
tile = tcd_image.tiles;
/* 4 borders of the tile rescale on the image if necessary */
tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
tile->numcomps = img->numcomps;
/* tile->PPT=img->PPT; */
/* Modification of the RATE >> */
for (j = 0; j < tcp->numlayers; j++) {
tcp->rates[j] = tcp->rates[j] ? int_ceildiv(tile->numcomps * (tile->x1 - tile->x0) * (tile->y1 - tile->y0) * img->comps[0].prec, (tcp->rates[j] * 8 * img->comps[0].dx * img->comps[0].dy)) : 0; /*Mod antonin losslessbug*/
if (tcp->rates[j]) {
if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
tcp->rates[j] = tcp->rates[j - 1] + 20;
} else {
if (!j && tcp->rates[j] < 30)
tcp->rates[j] = 30;
}
}
}
/* << Modification of the RATE */
tile->comps =
(tcd_tilecomp_t *) malloc(img->numcomps * sizeof(tcd_tilecomp_t));
for (compno = 0; compno < tile->numcomps; compno++) {
j2k_tccp_t *tccp = &tcp->tccps[compno];
/* tcd_tilecomp_t *tilec=&tile->comps[compno]; */
tilec = &tile->comps[compno];
/* border of each tile component (global) */
tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
tilec->data =
(int *) malloc((tilec->x1 - tilec->x0) *
(tilec->y1 - tilec->y0) * sizeof(int));
tilec->numresolutions = tccp->numresolutions;
tilec->resolutions =
(tcd_resolution_t *) malloc(tilec->numresolutions *
sizeof(tcd_resolution_t));
for (resno = 0; resno < tilec->numresolutions; resno++) {
int pdx, pdy;
int levelno = tilec->numresolutions - 1 - resno;
int tlprcxstart, tlprcystart, brprcxend, brprcyend;
int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
int cbgwidthexpn, cbgheightexpn;
int cblkwidthexpn, cblkheightexpn;
/* tcd_resolution_t *res=&tilec->resolutions[resno]; */
res = &tilec->resolutions[resno];
/* border for each resolution level (global) */
res->x0 = int_ceildivpow2(tilec->x0, levelno);
res->y0 = int_ceildivpow2(tilec->y0, levelno);
res->x1 = int_ceildivpow2(tilec->x1, levelno);
res->y1 = int_ceildivpow2(tilec->y1, levelno);
res->numbands = resno == 0 ? 1 : 3;
/* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
if (tccp->csty & J2K_CCP_CSTY_PRT) {
pdx = tccp->prcw[resno];
pdy = tccp->prch[resno];
} else {
pdx = 15;
pdy = 15;
}
/* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
res->pw = (brprcxend - tlprcxstart) >> pdx;
res->ph = (brprcyend - tlprcystart) >> pdy;
if (resno == 0) {
tlcbgxstart = tlprcxstart;
tlcbgystart = tlprcystart;
brcbgxend = brprcxend;
brcbgyend = brprcyend;
cbgwidthexpn = pdx;
cbgheightexpn = pdy;
} else {
tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
tlcbgystart = int_ceildivpow2(tlprcystart, 1);
brcbgxend = int_ceildivpow2(brprcxend, 1);
brcbgyend = int_ceildivpow2(brprcyend, 1);
cbgwidthexpn = pdx - 1;
cbgheightexpn = pdy - 1;
}
cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
for (bandno = 0; bandno < res->numbands; bandno++) {
int x0b, y0b, i;
int gain, numbps;
j2k_stepsize_t *ss;
band = &res->bands[bandno];
band->bandno = resno == 0 ? 0 : bandno + 1;
x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
if (band->bandno == 0) {
/* band border (global) */
band->x0 = int_ceildivpow2(tilec->x0, levelno);
band->y0 = int_ceildivpow2(tilec->y0, levelno);
band->x1 = int_ceildivpow2(tilec->x1, levelno);
band->y1 = int_ceildivpow2(tilec->y1, levelno);
} else {
/* band border (global) */
band->x0 =
int_ceildivpow2(tilec->x0 -
(1 << levelno) * x0b, levelno + 1);
band->y0 =
int_ceildivpow2(tilec->y0 -
(1 << levelno) * y0b, levelno + 1);
band->x1 =
int_ceildivpow2(tilec->x1 -
(1 << levelno) * x0b, levelno + 1);
band->y1 =
int_ceildivpow2(tilec->y1 -
(1 << levelno) * y0b, levelno + 1);
}
ss = &tccp->stepsizes[resno ==
0 ? 0 : 3 * (resno - 1) + bandno + 1];
gain =
tccp->qmfbid ==
0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
numbps = img->comps[compno].prec + gain;
band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
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;
(void)curtileno;
tcd_img = img;
tcd_cp = cp;
tcd_image.tw = cp->tw;
tcd_image.th = cp->th;
for (tileno = 0; tileno < 1; tileno++) {
/* j2k_tcp_t *tcp=&cp->tcps[curtileno]; */
tile = tcd_image.tiles;
for (compno = 0; compno < tile->numcomps; compno++) {
tilec = &tile->comps[compno];
for (resno = 0; resno < tilec->numresolutions; resno++) {
res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
band = &res->bands[bandno];
for (precno = 0; precno < res->pw * res->ph; precno++) {
prc = &band->precincts[precno];
if (prc->incltree != NULL)
tgt_destroy(prc->incltree);
if (prc->imsbtree != NULL)
tgt_destroy(prc->imsbtree);
free(prc->cblks);
} /* for (precno */
free(band->precincts);
} /* for (bandno */
} /* for (resno */
free(tilec->resolutions);
} /* for (compno */
free(tile->comps);
} /* for (tileno */
free(tcd_image.tiles);
}
void tcd_init_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
int tileno, compno, resno, bandno, precno, cblkno;
for (tileno = 0; tileno < 1; tileno++) {
j2k_tcp_t *tcp = &cp->tcps[curtileno];
int j;
/* int previous_x0, previous_x1, previous_y0, previous_y1;*/
/* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
int p = curtileno % cp->tw;
int q = curtileno / cp->tw;
tile = tcd_image.tiles;
/* 4 borders of the tile rescale on the image if necessary */
tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
tile->numcomps = img->numcomps;
/* tile->PPT=img->PPT; */
/* Modification of the RATE >> */
for (j = 0; j < tcp->numlayers; j++) {
tcp->rates[j] = tcp->rates[j] ? int_ceildiv(tile->numcomps * (tile->x1 - tile->x0) * (tile->y1 - tile->y0) * img->comps[0].prec, (tcp->rates[j] * 8 * img->comps[0].dx * img->comps[0].dy)) : 0; /*Mod antonin losslessbug*/
if (tcp->rates[j]) {
if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
tcp->rates[j] = tcp->rates[j - 1] + 20;
} else {
if (!j && tcp->rates[j] < 30)
tcp->rates[j] = 30;
}
}
}
/* << Modification of the RATE */
/* tile->comps=(tcd_tilecomp_t*)realloc(tile->comps,img->numcomps*sizeof(tcd_tilecomp_t)); */
for (compno = 0; compno < tile->numcomps; compno++) {
j2k_tccp_t *tccp = &tcp->tccps[compno];
/* int realloc_op; */
tilec = &tile->comps[compno];
/* border of each tile component (global) */
tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
tilec->data =
(int *) malloc((tilec->x1 - tilec->x0) *
(tilec->y1 - tilec->y0) * sizeof(int));
tilec->numresolutions = tccp->numresolutions;
/* tilec->resolutions=(tcd_resolution_t*)realloc(tilec->resolutions,tilec->numresolutions*sizeof(tcd_resolution_t)); */
for (resno = 0; resno < tilec->numresolutions; resno++) {
int pdx, pdy;
int levelno = tilec->numresolutions - 1 - resno;
int tlprcxstart, tlprcystart, brprcxend, brprcyend;
int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
int cbgwidthexpn, cbgheightexpn;
int cblkwidthexpn, cblkheightexpn;
res = &tilec->resolutions[resno];
/* border for each resolution level (global) */
res->x0 = int_ceildivpow2(tilec->x0, levelno);
res->y0 = int_ceildivpow2(tilec->y0, levelno);
res->x1 = int_ceildivpow2(tilec->x1, levelno);
res->y1 = int_ceildivpow2(tilec->y1, levelno);
res->numbands = resno == 0 ? 1 : 3;
/* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
if (tccp->csty & J2K_CCP_CSTY_PRT) {
pdx = tccp->prcw[resno];
pdy = tccp->prch[resno];
} else {
pdx = 15;
pdy = 15;
}
/* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
res->pw = (brprcxend - tlprcxstart) >> pdx;
res->ph = (brprcyend - tlprcystart) >> pdy;
if (resno == 0) {
tlcbgxstart = tlprcxstart;
tlcbgystart = tlprcystart;
brcbgxend = brprcxend;
brcbgyend = brprcyend;
cbgwidthexpn = pdx;
cbgheightexpn = pdy;
} else {
tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
tlcbgystart = int_ceildivpow2(tlprcystart, 1);
brcbgxend = int_ceildivpow2(brprcxend, 1);
brcbgyend = int_ceildivpow2(brprcyend, 1);
cbgwidthexpn = pdx - 1;
cbgheightexpn = pdy - 1;
}
cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
for (bandno = 0; bandno < res->numbands; bandno++) {
int x0b, y0b;
int gain, numbps;
j2k_stepsize_t *ss;
band = &res->bands[bandno];
band->bandno = resno == 0 ? 0 : bandno + 1;
x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
if (band->bandno == 0) {
/* band border */
band->x0 = int_ceildivpow2(tilec->x0, levelno);
band->y0 = int_ceildivpow2(tilec->y0, levelno);
band->x1 = int_ceildivpow2(tilec->x1, levelno);
band->y1 = int_ceildivpow2(tilec->y1, levelno);
} else {
band->x0 =
int_ceildivpow2(tilec->x0 -
(1 << levelno) * x0b, levelno + 1);
band->y0 =
int_ceildivpow2(tilec->y0 -
(1 << levelno) * y0b, levelno + 1);
band->x1 =
int_ceildivpow2(tilec->x1 -
(1 << levelno) * x0b, levelno + 1);
band->y1 =
int_ceildivpow2(tilec->y1 -
(1 << levelno) * y0b, levelno + 1);
}
ss = &tccp->stepsizes[resno ==
0 ? 0 : 3 * (resno - 1) + bandno + 1];
gain =
tccp->qmfbid ==
0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
numbps = img->comps[compno].prec + gain;
band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
for (precno = 0; precno < res->pw * res->ph; precno++) {
int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
int cbgxstart =
tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
int cbgystart =
tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
int cbgxend = cbgxstart + (1 << cbgwidthexpn);
int cbgyend = cbgystart + (1 << cbgheightexpn);
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, p, q;
unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
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 = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
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);
}
}
}
}
}
}
/*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,
(unsigned int)
tcd_image.
tiles
[tileno].
comps
[i].x0);
y0 =
j == 0 ? tcd_image.tiles[tileno].comps[i].y0 : int_min(y0,
(unsigned int)
tcd_image.
tiles
[tileno].
comps[i].
y0);
x1 =
j == 0 ? tcd_image.tiles[tileno].comps[i].x1 : int_max(x1,
(unsigned int)
tcd_image.
tiles
[tileno].
comps[i].
x1);
y1 =
j == 0 ? tcd_image.tiles[tileno].comps[i].y1 : int_max(y1,
(unsigned int)
tcd_image.
tiles
[tileno].
comps[i].
y1);
}
w = x1 - x0;
h = y1 - y0;
img->comps[i].data = (int *) calloc(w * h, sizeof(int));
img->comps[i].w = w;
img->comps[i].h = h;
img->comps[i].x0 = x0;
img->comps[i].y0 = y0;
}
}
void tcd_makelayer_fixed(int layno, int final)
{
int compno, resno, bandno, precno, cblkno;
int value; /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3];*/
int matrice[10][10][3];
int i, j, k;
/*matrice=(int*)malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
for (i = 0; i < tcd_tcp->numlayers; i++) {
for (j = 0; j < tilec->numresolutions; j++) {
for (k = 0; k < 3; k++) {
matrice[i][j][k] =
(int) (tcd_cp->
matrice[i * tilec->numresolutions * 3 +
j * 3 +
k] *
(float) (tcd_img->comps[compno].prec / 16.0));
}
}
}
for (resno = 0; resno < tilec->numresolutions; resno++) {
tcd_resolution_t *res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
tcd_band_t *band = &res->bands[bandno];
for (precno = 0; precno < res->pw * res->ph; precno++) {
tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
tcd_cblk_t *cblk = &prc->cblks[cblkno];
tcd_layer_t *layer = &cblk->layers[layno];
int n;
int imsb = tcd_img->comps[compno].prec - cblk->numbps; /* number of bit-plan equal to zero */
/* Correction of the matrix of coefficient to include the IMSB information */
if (layno == 0) {
value = matrice[layno][resno][bandno];
if (imsb >= value)
value = 0;
else
value -= imsb;
} else {
value =
matrice[layno][resno][bandno] -
matrice[layno - 1][resno][bandno];
if (imsb >= matrice[layno - 1][resno][bandno]) {
value -= (imsb - matrice[layno - 1][resno][bandno]);
if (value < 0)
value = 0;
}
}
if (layno == 0)
cblk->numpassesinlayers = 0;
n = cblk->numpassesinlayers;
if (cblk->numpassesinlayers == 0) {
if (value != 0)
n = 3 * value - 2 + cblk->numpassesinlayers;
else
n = cblk->numpassesinlayers;
} else
n = 3 * value + cblk->numpassesinlayers;
layer->numpasses = n - cblk->numpassesinlayers;
if (!layer->numpasses)
continue;
if (cblk->numpassesinlayers == 0) {
layer->len = cblk->passes[n - 1].rate;
layer->data = cblk->data;
} else {
layer->len =
cblk->passes[n - 1].rate -
cblk->passes[cblk->numpassesinlayers - 1].rate;
layer->data =
cblk->data +
cblk->passes[cblk->numpassesinlayers - 1].rate;
}
if (final)
cblk->numpassesinlayers = n;
}
}
}
}
}
}
void tcd_rateallocate_fixed()
{
int layno;
for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
tcd_makelayer_fixed(layno, 1);
}
}
void tcd_makelayer(int layno, double thresh, int final)
{
int compno, resno, bandno, precno, cblkno, passno;
tcd_tile->distolayer[layno] = 0; /*add fixed_quality*/
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
for (resno = 0; resno < tilec->numresolutions; resno++) {
tcd_resolution_t *res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
tcd_band_t *band = &res->bands[bandno];
for (precno = 0; precno < res->pw * res->ph; precno++) {
tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
tcd_cblk_t *cblk = &prc->cblks[cblkno];
tcd_layer_t *layer = &cblk->layers[layno];
int n;
if (layno == 0) {
cblk->numpassesinlayers = 0;
}
n = cblk->numpassesinlayers;
for (passno = cblk->numpassesinlayers;
passno < cblk->totalpasses; passno++) {
int dr;
double dd;
tcd_pass_t *pass = &cblk->passes[passno];
if (n == 0) {
dr = pass->rate;
dd = pass->distortiondec;
} else {
dr = pass->rate - cblk->passes[n - 1].rate;
dd = pass->distortiondec - cblk->passes[n -
1].distortiondec;
}
if (!dr) {
if (dd)
n = passno + 1;
continue;
}
if (dd / dr >= thresh)
n = passno + 1;
}
layer->numpasses = n - cblk->numpassesinlayers;
if (!layer->numpasses) {
layer->disto = 0;
continue;
}
if (cblk->numpassesinlayers == 0) {
layer->len = cblk->passes[n - 1].rate;
layer->data = cblk->data;
layer->disto = cblk->passes[n - 1].distortiondec;
} else {
layer->len = cblk->passes[n - 1].rate -
cblk->passes[cblk->numpassesinlayers - 1].rate;
layer->data =
cblk->data +
cblk->passes[cblk->numpassesinlayers - 1].rate;
layer->disto =
cblk->passes[n - 1].distortiondec -
cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
}
tcd_tile->distolayer[layno] += layer->disto; /*add fixed_quality*/
if (final)
cblk->numpassesinlayers = n;
}
}
}
}
}
}
void tcd_rateallocate(unsigned char *dest, int len, info_image * info_IM)
{
int compno, resno, bandno, precno, cblkno, passno, layno;
double min, max;
double cumdisto[100]; /*add fixed_quality*/
const double K = 1; /* 1.1; //add fixed_quality*/
double maxSE = 0;
min = DBL_MAX;
max = 0;
tcd_tile->nbpix = 0; /*add fixed_quality*/
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
tilec->nbpix = 0;
for (resno = 0; resno < tilec->numresolutions; resno++) {
tcd_resolution_t *res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
tcd_band_t *band = &res->bands[bandno];
for (precno = 0; precno < res->pw * res->ph; precno++) {
tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
tcd_cblk_t *cblk = &prc->cblks[cblkno];
for (passno = 0; passno < cblk->totalpasses; passno++) {
tcd_pass_t *pass = &cblk->passes[passno];
int dr;
double dd, rdslope;
if (passno == 0) {
dr = pass->rate;
dd = pass->distortiondec;
} else {
dr = pass->rate - cblk->passes[passno - 1].rate;
dd = pass->distortiondec -
cblk->passes[passno - 1].distortiondec;
}
if (dr == 0) {
continue;
}
rdslope = dd / dr;
if (rdslope < min) {
min = rdslope;
}
if (rdslope > max) {
max = rdslope;
}
} /* passno */
tcd_tile->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0)); /*add fixed_quality*/
tilec->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0)); /*add fixed_quality*/
} /* cbklno */
} /* precno */
} /* bandno */
} /* resno */
maxSE += (((double)(1 << tcd_img->comps[compno].prec) - 1.0) * ((double)(1 << tcd_img->comps[compno].prec) -1.0)) * ((double)(tilec->nbpix));
} /* compno */
/* add antonin index */
if (info_IM->index_on) {
info_tile *info_TL = &info_IM->tile[tcd_tileno];
info_TL->nbpix = tcd_tile->nbpix;
info_TL->distotile = tcd_tile->distotile;
info_TL->thresh =
(double *) malloc(tcd_tcp->numlayers * sizeof(double));
}
/* dda */
for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
volatile double lo = min;
volatile double hi = max;
volatile int success = 0;
volatile int maxlen = tcd_tcp->rates[layno] ? int_min(tcd_tcp->rates[layno], len) : len; /*Mod antonin losslessbug*/
volatile double goodthresh;
volatile int i;
double distotarget; /*add fixed_quality*/
distotarget = tcd_tile->distotile - ((K * maxSE) / pow(10, tcd_tcp->distoratio[layno] / 10)); /* add fixed_quality*/
if ((tcd_tcp->rates[layno]) || (tcd_cp->disto_alloc==0)) {
for (i = 0; i < 32; i++) {
volatile double thresh = (lo + hi) / 2;
int l = 0;
double distoachieved = 0; /* add fixed_quality*/
tcd_makelayer(layno, thresh, 0);
if (tcd_cp->fixed_quality) { /* add fixed_quality*/
distoachieved =
layno ==
0 ? tcd_tile->distolayer[0] : cumdisto[layno - 1] +
tcd_tile->distolayer[layno];
if (distoachieved < distotarget) {
hi = thresh;
continue;
}
lo = thresh;
} else {
l =
t2_encode_packets(tcd_img, tcd_cp, tcd_tileno, tcd_tile,
layno + 1, dest, maxlen, info_IM);
/* fprintf(stderr, "rate alloc: len=%d, max=%d\n", l, maxlen); */
if (l == -999) {
lo = thresh;
continue;
}
hi = thresh;
}
success = 1;
goodthresh = thresh;
}
} else {
success = 1;
goodthresh = min;
}
if (!success) {
longjmp(j2k_error, 1);
}
if (info_IM->index_on) { /* Threshold for Marcela Index */
info_IM->tile[tcd_tileno].thresh[layno] = goodthresh;
}
tcd_makelayer(layno, goodthresh, 1);
cumdisto[layno] = layno == 0 ? tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno]; /* add fixed_quality*/
}
}
int
tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len,
info_image * info_IM)
{
int compno;
int l, i, npck=0;
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;
npck+=res_idx->pw * res_idx->ph;
info_IM->tile[tileno].pdx[i] = tccp->prcw[i];
info_IM->tile[tileno].pdy[i] = tccp->prch[i];
}
info_IM->tile[tileno].packet = (info_packet *) calloc(info_IM->Comp * info_IM->Layer * npck, sizeof(info_packet));
}
/* << 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---------------------*/
/* mod Ive*/
for (compno = 0; compno < tile->numcomps; compno++) {
tcd_tilecomp_t *tilec = &tile->comps[compno];
if (tcd_tcp->tccps[compno].qmfbid == 1) {
dwt_encode(tilec);
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
dwt_encode_real(tilec);
}
}
/* /mod Ive*/
/*------------------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;
fprintf(stdout,"total: %ld.%.3ld s\n", time7 / CLOCKS_PER_SEC,
(time7 % (int)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, npck=0;
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;
npck+=res_idx->pw * res_idx->ph;
info_IM->tile[tileno].pdx[i] = tccp->prcw[i];
info_IM->tile[tileno].pdy[i] = tccp->prch[i];
}
info_IM->tile[tileno].packet = (info_packet *) calloc(info_IM->Comp * info_IM->Layer * npck, sizeof(info_packet));
}
/* << 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---------------------*/
/* mod Ive*/
for (compno = 0; compno < tile->numcomps; compno++) {
tcd_tilecomp_t *tilec = &tile->comps[compno];
if (tcd_tcp->tccps[compno].qmfbid == 1) {
dwt_encode(tilec);
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
dwt_encode_real(tilec);
}
}
/* /mod Ive*/
/*------------------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;
fprintf(stdout,"total: %ld.%.3ld s\n", time / CLOCKS_PER_SEC,
(time % (int)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(stdout, "Tile %d of %d decoded in ", 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 != 0) {
tcd_img->comps[compno].resno_decoded =
tile->comps[compno].numresolutions - tcd_cp->reduce - 1;
}
/* mod Ive */
if (tcd_tcp->tccps[compno].qmfbid == 1) {
dwt_decode(tilec,
tilec->numresolutions - 1 -
tcd_img->comps[compno].resno_decoded);
} else {
dwt_decode_real(tilec,
tilec->numresolutions - 1 -
tcd_img->comps[compno].resno_decoded);
}
/* /mod Ive*/
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 = (tilec->data[i - res->x0 + (j - res->y0) * tw])/8192.0;
int tmp2;
if (tcd_tcp->tccps[compno].qmfbid == 1) {
v = tilec->data[i - res->x0 + (j - res->y0) * tw];
} else {
tmp2=((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
v = ((tmp<0)?-tmp2:tmp2);
}
v += adjust;
tcd_img->comps[compno].data[(i - offset_x) +
(j - offset_y) * w] =
int_clamp(v, min, max);
}
}
}
time = clock() - time;
fprintf(stdout, "%ld.%.3ld s\n", time / CLOCKS_PER_SEC,
(time % (int)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;
}
void tcd_dec_release()
{
int tileno,compno,resno,bandno,precno;
for (tileno=0;tileno<tcd_image.tw*tcd_image.th;tileno++) {
tcd_tile_t tile=tcd_image.tiles[tileno];
for (compno=0;compno<tile.numcomps;compno++) {
tcd_tilecomp_t tilec=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.ph*res.pw;precno++) {
tcd_precinct_t prec=band.precincts[precno];
if (prec.cblks!=NULL) free(prec.cblks);
if (prec.imsbtree!=NULL) free(prec.imsbtree);
if (prec.incltree!=NULL) free(prec.incltree);
}
if (band.precincts!=NULL) free(band.precincts);
}
}
if (tilec.resolutions!=NULL) free(tilec.resolutions);
}
if (tile.comps!=NULL) free(tile.comps);
}
if (tcd_image.tiles!=NULL) free(tcd_image.tiles);
}