generic-library/openjpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
e798d3f348
openjpeg/libopenjpeg/tcd.c
Yannick Verschueren bb349b2cee Update for version 0.8
2004-02-13 09:47:40 +00:00

1288 lines
46 KiB
C
Raw Blame History

/*
* Copyright (c) 2001-2002, David Janssens
* Copyright (c) 2002-2004, Yannick Verschueren
* Copyright (c) 2002-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "tcd.h"
#include "int.h"
#include "t1.h"
#include "t2.h"
#include "dwt.h"
#include "mct.h"
#include <setjmp.h>
#include <float.h>
#include <stdio.h>
#include <time.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
static tcd_image_t tcd_image;
static j2k_image_t *tcd_img;
static j2k_cp_t *tcd_cp;
static tcd_tile_t *tcd_tile;
static j2k_tcp_t *tcd_tcp;
static int tcd_tileno;
static tcd_tile_t *tile;
static tcd_tilecomp_t *tilec;
static tcd_resolution_t *res;
static tcd_band_t *band;
static tcd_precinct_t *prc;
static tcd_cblk_t *cblk;
extern jmp_buf j2k_error;
void tcd_dump(tcd_image_t * img, int curtileno)
{
int tileno, compno, resno, bandno, precno, cblkno;
/* fprintf(stderr, "image {\n"); */
fprintf(stderr, " tw=%d, th=%d x0 %d x1 %d\n", img->tw, img->th,
tcd_img->x0, tcd_img->x1);
for (tileno = 0; tileno < 1; tileno++) {
tcd_tile_t *tile = &tcd_image.tiles[curtileno];
/* fprintf(stderr, " tile {\n"); */
/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n", tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps); */
for (compno = 0; compno < tile->numcomps; compno++) {
tcd_tilecomp_t *tilec = &tile->comps[compno];
/* fprintf(stderr, " tilec {\n"); */
/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n", tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions); */
for (resno = 0; resno < tilec->numresolutions; resno++) {
tcd_resolution_t *res = &tilec->resolutions[resno];
/* fprintf(stderr, "\n res {\n"); */
/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n", res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands); */
for (bandno = 0; bandno < res->numbands; bandno++) {
tcd_band_t *band = &res->bands[bandno];
/* fprintf(stderr, " band {\n"); */
/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%d, numbps=%d\n", band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps); */
for (precno = 0; precno < res->pw * res->ph; precno++) {
tcd_precinct_t *prec = &band->precincts[precno];
/* fprintf(stderr, " prec {\n"); */
/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n", prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch); */
for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
/* tcd_cblk_t *cblk=&prec->cblks[cblkno]; */
/* fprintf(stderr, " cblk {\n"); */
/* fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d\n", cblk->x0, cblk->y0, cblk->x1, cblk->y1); */
/* fprintf(stderr, " }\n"); */
}
/* fprintf(stderr, " }\n"); */
}
/* fprintf(stderr, " }\n"); */
}
/* fprintf(stderr, " }\n"); */
}
/* fprintf(stderr, " }\n"); */
}
/* fprintf(stderr, " }\n"); */
}
/* fprintf(stderr, "}\n"); */
}
void tcd_malloc_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
int tileno, compno, resno, bandno, precno, cblkno;
tcd_img = img;
tcd_cp = cp;
tcd_image.tw = cp->tw;
tcd_image.th = cp->th;
tcd_image.tiles = (tcd_tile_t *) malloc(sizeof(tcd_tile_t));
for (tileno = 0; tileno < 1; tileno++) {
j2k_tcp_t *tcp = &cp->tcps[curtileno];
int j;
/* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
int p = curtileno % cp->tw; /* si numerotation matricielle .. */
int q = curtileno / cp->tw; /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
/* tcd_tile_t *tile=&tcd_image.tiles[tileno]; */
tile = tcd_image.tiles;
/* 4 borders of the tile rescale on the image if necessary */
tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
tile->numcomps = img->numcomps;
/* tile->PPT=img->PPT; */
/* Modification of the RATE >> */
for (j = 0; j < tcp->numlayers; j++) {
tcp->rates[j] = ceil(tile->numcomps * (tile->x1 - tile->x0) * (tile->y1 - tile->y0) * img->comps[0].prec / (tcp->rates[j] * 8 * img->comps[0].dx * img->comps[0].dy));
if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
tcp->rates[j] = tcp->rates[j - 1] + 20;
} else {
if (!j && tcp->rates[j] < 30)
tcp->rates[j] = 30;
}
}
/* << Modification of the RATE */
tile->comps = (tcd_tilecomp_t *) malloc(img->numcomps * sizeof(tcd_tilecomp_t));
for (compno = 0; compno < tile->numcomps; compno++) {
j2k_tccp_t *tccp = &tcp->tccps[compno];
/* tcd_tilecomp_t *tilec=&tile->comps[compno]; */
tilec = &tile->comps[compno];
/* border of each tile component (global) */
tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
tilec->data = (int *) malloc(sizeof(int) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0));
tilec->numresolutions = tccp->numresolutions;
tilec->resolutions = (tcd_resolution_t *) malloc(tilec->numresolutions * sizeof(tcd_resolution_t));
for (resno = 0; resno < tilec->numresolutions; resno++) {
int pdx, pdy;
int levelno = tilec->numresolutions - 1 - resno;
int tlprcxstart, tlprcystart, brprcxend, brprcyend;
int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
int cbgwidthexpn, cbgheightexpn;
int cblkwidthexpn, cblkheightexpn;
/* tcd_resolution_t *res=&tilec->resolutions[resno]; */
res = &tilec->resolutions[resno];
/* border for each resolution level (global) */
res->x0 = int_ceildivpow2(tilec->x0, levelno);
res->y0 = int_ceildivpow2(tilec->y0, levelno);
res->x1 = int_ceildivpow2(tilec->x1, levelno);
res->y1 = int_ceildivpow2(tilec->y1, levelno);
res->numbands = resno == 0 ? 1 : 3;
/* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
if (tccp->csty & J2K_CCP_CSTY_PRT) {
pdx = tccp->prcw[resno];
pdy = tccp->prch[resno];
} else {
pdx = 15;
pdy = 15;
}
/* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
res->pw = (brprcxend - tlprcxstart) >> pdx;
res->ph = (brprcyend - tlprcystart) >> pdy;
if (resno == 0) {
tlcbgxstart = tlprcxstart;
tlcbgystart = tlprcystart;
brcbgxend = brprcxend;
brcbgyend = brprcyend;
cbgwidthexpn = pdx;
cbgheightexpn = pdy;
} else {
tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
tlcbgystart = int_ceildivpow2(tlprcystart, 1);
brcbgxend = int_ceildivpow2(brprcxend, 1);
brcbgyend = int_ceildivpow2(brprcyend, 1);
cbgwidthexpn = pdx - 1;
cbgheightexpn = pdy - 1;
}
cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
for (bandno = 0; bandno < res->numbands; bandno++) {
int x0b, y0b, i;
int gain, numbps;
j2k_stepsize_t *ss;
band = &res->bands[bandno];
band->bandno = resno == 0 ? 0 : bandno + 1;
x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
if (band->bandno == 0) {
/* band border (global) */
band->x0 = int_ceildivpow2(tilec->x0, levelno);
band->y0 = int_ceildivpow2(tilec->y0, levelno);
band->x1 = int_ceildivpow2(tilec->x1, levelno);
band->y1 = int_ceildivpow2(tilec->y1, levelno);
} else {
/* band border (global) */
band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
}
ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
numbps = img->comps[compno].prec + gain;
band->stepsize = (int) floor((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn) * 8192.0);
band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
band->precincts = (tcd_precinct_t *) malloc(3 * res->pw * res->ph * sizeof(tcd_precinct_t));
for (i = 0; i < res->pw * res->ph * 3; i++) {
band->precincts[i].imsbtree = NULL;
band->precincts[i].incltree = NULL;
}
for (precno = 0; precno < res->pw * res->ph; precno++) {
int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
int cbgxstart =
tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
int cbgystart =
tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
int cbgxend = cbgxstart + (1 << cbgwidthexpn);
int cbgyend = cbgystart + (1 << cbgheightexpn);
/* tcd_precinct_t *prc=&band->precincts[precno]; */
prc = &band->precincts[precno];
/* precinct size (global) */
prc->x0 = int_max(cbgxstart, band->x0);
prc->y0 = int_max(cbgystart, band->y0);
prc->x1 = int_min(cbgxend, band->x1);
prc->y1 = int_min(cbgyend, band->y1);
tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
prc->cblks = (tcd_cblk_t *) malloc((prc->cw * prc->ch) * sizeof(tcd_cblk_t));
prc->incltree = tgt_create(prc->cw, prc->ch);
prc->imsbtree = tgt_create(prc->cw, prc->ch);
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
int cblkxend = cblkxstart + (1 << cblkwidthexpn);
int cblkyend = cblkystart + (1 << cblkheightexpn);
cblk = &prc->cblks[cblkno];
/* code-block size (global) */
cblk->x0 = int_max(cblkxstart, prc->x0);
cblk->y0 = int_max(cblkystart, prc->y0);
cblk->x1 = int_min(cblkxend, prc->x1);
cblk->y1 = int_min(cblkyend, prc->y1);
}
}
}
}
}
}
/* tcd_dump(&tcd_image,curtileno); */
}
void tcd_free_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
int tileno, compno, resno, bandno, precno;
tcd_img = img;
tcd_cp = cp;
tcd_image.tw = cp->tw;
tcd_image.th = cp->th;
for (tileno = 0; tileno < 1; tileno++) {
/* j2k_tcp_t *tcp=&cp->tcps[curtileno]; */
tile = tcd_image.tiles;
for (compno = 0; compno < tile->numcomps; compno++) {
tilec = &tile->comps[compno];
for (resno = 0; resno < tilec->numresolutions; resno++) {
res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
band = &res->bands[bandno];
for (precno = 0; precno < res->pw * res->ph; precno++) {
prc = &band->precincts[precno];
if (prc->incltree != NULL)
tgt_destroy(prc->incltree);
if (prc->imsbtree != NULL)
tgt_destroy(prc->imsbtree);
free(prc->cblks);
} /* for (precno */
free(band->precincts);
} /* for (bandno */
} /* for (resno */
free(tilec->resolutions);
} /* for (compno */
free(tile->comps);
} /* for (tileno */
free(tcd_image.tiles);
}
void tcd_init_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
{
int tileno, compno, resno, bandno, precno, cblkno;
for (tileno = 0; tileno < 1; tileno++) {
j2k_tcp_t *tcp = &cp->tcps[curtileno];
int j;
// int previous_x0, previous_x1, previous_y0, previous_y1;
/* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
int p = curtileno % cp->tw;
int q = curtileno / cp->tw;
tile = tcd_image.tiles;
/* 4 borders of the tile rescale on the image if necessary */
tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
tile->numcomps = img->numcomps;
/* tile->PPT=img->PPT; */
/* Modification of the RATE >> */
for (j = 0; j < tcp->numlayers; j++) {
tcp->rates[j] = ceil(tile->numcomps * (tile->x1 - tile->x0) * (tile->y1 - tile->y0) * img->comps[0].prec
/ (tcp->rates[j] * 8 * img->comps[0].dx * img->comps[0].dy));
if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
tcp->rates[j] = tcp->rates[j - 1] + 20;
} else {
if (!j && tcp->rates[j] < 30)
tcp->rates[j] = 30;
}
}
/* << Modification of the RATE */
/* tile->comps=(tcd_tilecomp_t*)realloc(tile->comps,img->numcomps*sizeof(tcd_tilecomp_t)); */
for (compno = 0; compno < tile->numcomps; compno++) {
j2k_tccp_t *tccp = &tcp->tccps[compno];
/* int realloc_op; */
tilec = &tile->comps[compno];
/* border of each tile component (global) */
tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
tilec->data = (int *) malloc(sizeof(int) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0));
tilec->numresolutions = tccp->numresolutions;
/* tilec->resolutions=(tcd_resolution_t*)realloc(tilec->resolutions,tilec->numresolutions*sizeof(tcd_resolution_t)); */
for (resno = 0; resno < tilec->numresolutions; resno++) {
int pdx, pdy;
int levelno = tilec->numresolutions - 1 - resno;
int tlprcxstart, tlprcystart, brprcxend, brprcyend;
int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
int cbgwidthexpn, cbgheightexpn;
int cblkwidthexpn, cblkheightexpn;
res = &tilec->resolutions[resno];
/* border for each resolution level (global) */
res->x0 = int_ceildivpow2(tilec->x0, levelno);
res->y0 = int_ceildivpow2(tilec->y0, levelno);
res->x1 = int_ceildivpow2(tilec->x1, levelno);
res->y1 = int_ceildivpow2(tilec->y1, levelno);
res->numbands = resno == 0 ? 1 : 3;
/* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
if (tccp->csty & J2K_CCP_CSTY_PRT) {
pdx = tccp->prcw[resno];
pdy = tccp->prch[resno];
} else {
pdx = 15;
pdy = 15;
}
/* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
res->pw = (brprcxend - tlprcxstart) >> pdx;
res->ph = (brprcyend - tlprcystart) >> pdy;
if (resno == 0) {
tlcbgxstart = tlprcxstart;
tlcbgystart = tlprcystart;
brcbgxend = brprcxend;
brcbgyend = brprcyend;
cbgwidthexpn = pdx;
cbgheightexpn = pdy;
} else {
tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
tlcbgystart = int_ceildivpow2(tlprcystart, 1);
brcbgxend = int_ceildivpow2(brprcxend, 1);
brcbgyend = int_ceildivpow2(brprcyend, 1);
cbgwidthexpn = pdx - 1;
cbgheightexpn = pdy - 1;
}
cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
for (bandno = 0; bandno < res->numbands; bandno++) {
int x0b, y0b;
int gain, numbps;
j2k_stepsize_t *ss;
band = &res->bands[bandno];
band->bandno = resno == 0 ? 0 : bandno + 1;
x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
if (band->bandno == 0) {
/* band border */
band->x0 = int_ceildivpow2(tilec->x0, levelno);
band->y0 = int_ceildivpow2(tilec->y0, levelno);
band->x1 = int_ceildivpow2(tilec->x1, levelno);
band->y1 = int_ceildivpow2(tilec->y1, levelno);
} else {
band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
}
ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
numbps = img->comps[compno].prec + gain;
band->stepsize = (int) floor((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn) * 8192.0);
band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
for (precno = 0; precno < res->pw * res->ph; precno++) {
int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
int cbgxstart =
tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
int cbgystart =
tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
int cbgxend = cbgxstart + (1 << cbgwidthexpn);
int cbgyend = cbgystart + (1 << cbgheightexpn);
prc = &band->precincts[precno];
/* precinct size (global) */
prc->x0 = int_max(cbgxstart, band->x0);
prc->y0 = int_max(cbgystart, band->y0);
prc->x1 = int_min(cbgxend, band->x1);
prc->y1 = int_min(cbgyend, band->y1);
tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
free(prc->cblks);
prc->cblks = (tcd_cblk_t *) malloc(prc->cw * prc->ch * sizeof(tcd_cblk_t));
if (prc->incltree != NULL)
tgt_destroy(prc->incltree);
if (prc->imsbtree != NULL)
tgt_destroy(prc->imsbtree);
prc->incltree = tgt_create(prc->cw, prc->ch);
prc->imsbtree = tgt_create(prc->cw, prc->ch);
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
int cblkxend = cblkxstart + (1 << cblkwidthexpn);
int cblkyend = cblkystart + (1 << cblkheightexpn);
cblk = &prc->cblks[cblkno];
/* code-block size (global) */
cblk->x0 = int_max(cblkxstart, prc->x0);
cblk->y0 = int_max(cblkystart, prc->y0);
cblk->x1 = int_min(cblkxend, prc->x1);
cblk->y1 = int_min(cblkyend, prc->y1);
}
}
}
}
}
}
/* tcd_dump(&tcd_image,0); */
}
void tcd_init(j2k_image_t * img, j2k_cp_t * cp)
{
int tileno, compno, resno, bandno, precno, cblkno;
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];
// int previous_x0, previous_x1, previous_y0, previous_y1;
/* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
int p = tileno % cp->tw; /* si numerotation matricielle .. */
int 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(sizeof(int) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0));
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 = (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;
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);
}
}
}
}
}
}
/* tcd_dump(&tcd_image,0); */
}
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;
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
for (resno = 0; resno < tilec->numresolutions; resno++) {
tcd_resolution_t *res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
tcd_band_t *band = &res->bands[bandno];
for (precno = 0; precno < res->pw * res->ph; precno++) {
tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
tcd_cblk_t *cblk = &prc->cblks[cblkno];
tcd_layer_t *layer = &cblk->layers[layno];
int n;
if (layno == 0) {
cblk->numpassesinlayers = 0;
}
n = cblk->numpassesinlayers;
for (passno = cblk->numpassesinlayers;
passno < cblk->totalpasses; passno++) {
int dr;
double dd;
tcd_pass_t *pass = &cblk->passes[passno];
if (n == 0) {
dr = pass->rate;
dd = pass->distortiondec;
} else {
dr = pass->rate - cblk->passes[n - 1].rate;
dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
}
if (dr == 0) {
if (dd != 0)
n = passno + 1;
continue;
}
if (dd / dr > thresh)
n = passno + 1;
}
layer->numpasses = n - cblk->numpassesinlayers;
if (!layer->numpasses)
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;
}
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;
min = DBL_MAX;
max = 0;
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];
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 */
} /* cbklno */
} /* precno */
} /* bandno */
} /* resno */
} /* compno */
if (info_IM->index_on) { /* Threshold for Marcela Index */
info_IM->tile[tcd_tileno].thresh=(double*)malloc(tcd_tcp->numlayers*sizeof(double));
}
for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
volatile double lo = min;
volatile double hi = max;
volatile int success = 0;
volatile int maxlen = int_min(tcd_tcp->rates[layno], len);
volatile double goodthresh;
volatile int goodlen;
volatile int i;
for (i = 0; i < 32; i++) {
volatile double thresh = (lo + hi) / 2;
int l;
tcd_makelayer(layno, thresh, 0);
l = t2_encode_packets(tcd_img, tcd_cp, tcd_tileno, tcd_tile, layno + 1, dest, maxlen, info_IM);
/* fprintf(stderr, "rate alloc: len=%d, max=%d\n", l, maxlen); */
if (l == -999) {
lo = thresh;
continue;
}
hi = thresh;
success = 1;
goodthresh = thresh;
goodlen = l;
}
if (!success) {
longjmp(j2k_error, 1);
}
if (info_IM->index_on) { /* Threshold for Marcela Index */
info_IM->tile[tcd_tileno].thresh[layno]=goodthresh;
}
tcd_makelayer(layno, goodthresh, 1);
}
}
int tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len, info_image * info_IM)
{
int compno;
int l;
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]; /* old parser version */
tcd_resolution_t *res_idx = &tilec_idx->resolutions[0]; /* old parser version */
info_IM->tile[tileno].pw = res_idx->pw;
info_IM->tile[tileno].ph = res_idx->ph;
info_IM->pw = res_idx->pw; /* old parser version */
info_IM->ph = res_idx->ph; /* old parser version */
info_IM->pdx = 1 << tccp->prcw[tccp->numresolutions - 1];
info_IM->pdy = 1 << tccp->prch[tccp->numresolutions - 1];
}
/* << INDEX */
/*---------------TILE-------------------*/
time7 = clock();
for (compno = 0; compno < tile->numcomps; compno++) {
FILE *src;
char tmp[256];
int k;
unsigned char elmt;
int i, j;
int tw, w;
tcd_tilecomp_t *tilec = &tile->comps[compno];
int adjust = tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].prec - 1);
int offset_x, offset_y;
offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
tw = tilec->x1 - tilec->x0;
w = int_ceildiv(tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
sprintf(tmp, "Compo%d", compno); /* component file */
src = fopen(tmp, "rb");
if (!src) {
fprintf(stderr, "failed to open %s for reading\n", tmp);
return 1;
}
/* read the Compo file to extract data of the tile */
k = 0;
fseek(src, (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w, SEEK_SET);
k = (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w;
for (j = tilec->y0; j < tilec->y1; j++) {
for (i = tilec->x0; i < tilec->x1; i++) {
if (tcd_tcp->tccps[compno].qmfbid == 1) {
elmt = fgetc(src);
tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] = elmt - adjust;
k++;
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
elmt = fgetc(src);
tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] = (elmt - adjust) << 13;
k++;
}
}
fseek(src, (tilec->x0 - offset_x) + (j + 1 - offset_y) * w - k, SEEK_CUR);
k = tilec->x0 - offset_x + (j + 1 - offset_y) * w;
}
fclose(src);
}
/*----------------MCT-------------------*/
if (tcd_tcp->mct) {
if (tcd_tcp->tccps[0].qmfbid == 0) {
mct_encode_real(tile->comps[0].data, tile->comps[1].data,tile->comps[2].data,
(tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
} else {
mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
(tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
}
}
/*----------------DWT---------------------*/
/* time3=clock(); */
for (compno = 0; compno < tile->numcomps; compno++) {
tcd_tilecomp_t *tilec = &tile->comps[compno];
if (tcd_tcp->tccps[compno].qmfbid == 1) {
dwt_encode(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
dwt_encode_real(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
}
}
/*------------------TIER1-----------------*/
t1_init_luts();
t1_encode_cblks(tile, tcd_tcp);
/*-----------RATE-ALLOCATE------------------*/
info_IM->index_write = 0; /* INDEX */
if (tcd_cp->disto_alloc)
/* Normal Rate/distortion allocation */
tcd_rateallocate(dest, len, info_IM);
else
/* Fixed layer allocation */
tcd_rateallocate_fixed();
/*--------------TIER2------------------*/
info_IM->index_write = 1; /* INDEX */
l = t2_encode_packets(tcd_img, tcd_cp, tileno, tile, tcd_tcp->numlayers, dest, len, info_IM);
/*---------------CLEAN-------------------*/
time7 = clock() - time7;
printf("total: %ld.%.3ld s\n", time7 / CLOCKS_PER_SEC, (time7 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
/* cleaning memory */
for (compno = 0; compno < tile->numcomps; compno++) {
tilec = &tile->comps[compno];
free(tilec->data);
}
return l;
}
int tcd_encode_tile_pgx(int tileno, unsigned char *dest, int len, info_image * info_IM)
{
int compno;
int l;
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];
tcd_resolution_t *res_idx = &tilec_idx->resolutions[0];
info_IM->tile[tileno].pw = res_idx->pw;
info_IM->tile[tileno].ph = res_idx->ph;
info_IM->pw = res_idx->pw; /* old parser version */
info_IM->ph = res_idx->ph; /* old parser version */
info_IM->pdx = 1 << tccp->prcw[tccp->numresolutions - 1];
info_IM->pdy = 1 << tccp->prch[tccp->numresolutions - 1];
}
/* << INDEX */
/*---------------TILE-------------------*/
time7 = clock();
for (compno = 0; compno < tile->numcomps; compno++) {
FILE *src;
char tmp[256];
int k;
int elmt;
int i, j;
int tw, w;
tcd_tilecomp_t *tilec = &tile->comps[compno];
int adjust = tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].prec - 1);
int offset_x, offset_y;
offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
tw = tilec->x1 - tilec->x0;
w = int_ceildiv(tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
sprintf(tmp, "bandtile%d", tileno / tcd_cp->tw + 1); /* bandtile file opening */
src = fopen(tmp, "rb");
if (!src) {
fprintf(stderr, "failed to open %s for reading\n", tmp);
return 1;
}
/* Extract data from bandtile file limited to the current tile */
k = 0;
while (k < tilec->x0 - offset_x) {
k++;
fscanf(src, "%d", &elmt);
}
for (j = 0; j < tilec->y1 - tilec->y0; j++) {
for (i = tilec->x0; i < tilec->x1; i++) {
if (tcd_tcp->tccps[compno].qmfbid == 1) {
fscanf(src, "%d", &elmt);
tilec->data[i - tilec->x0 + (j) * tw] = elmt - adjust;
k++;
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
fscanf(src, "%d", &elmt);
tilec->data[i - tilec->x0 + (j) * tw] = (elmt - adjust) << 13;
k++;
}
}
while (k < tilec->x0 - offset_x + (j + 1) * w) {
k++;
fscanf(src, "%d", &elmt);
}
}
fclose(src);
}
/*----------------MCT-------------------*/
if (tcd_tcp->mct) {
if (tcd_tcp->tccps[0].qmfbid == 0) {
mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
(tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
} else {
mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
(tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
}
}
/*----------------DWT---------------------*/
for (compno = 0; compno < tile->numcomps; compno++) {
tcd_tilecomp_t *tilec = &tile->comps[compno];
if (tcd_tcp->tccps[compno].qmfbid == 1) {
dwt_encode(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
dwt_encode_real(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
}
}
/*------------------TIER1-----------------*/
t1_init_luts();
t1_encode_cblks(tile, tcd_tcp);
/*-----------RATE-ALLOCATE------------------*/
info_IM->index_write = 0; /* INDEX */
info_IM->index_write=0; /* INDEX */
if (tcd_cp->disto_alloc)
/* Normal Rate/distortion allocation */
tcd_rateallocate(dest, len, info_IM);
else
/* Fixed layer allocation */
tcd_rateallocate_fixed();
/*--------------TIER2------------------*/
info_IM->index_write = 1; /* INDEX */
l = t2_encode_packets(tcd_img, tcd_cp, tileno, tile, tcd_tcp->numlayers, dest, len, info_IM);
/*---------------CLEAN-------------------*/
time7 = clock() - time7;
printf("total: %ld.%.3ld s\n", time7 / CLOCKS_PER_SEC, (time7 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
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 time1, time2, time3, time4, time5, time6;
tcd_tile_t *tile;
tcd_tileno = tileno;
tcd_tile = &tcd_image.tiles[tileno];
tcd_tcp = &tcd_cp->tcps[tileno];
tile = tcd_tile;
time6 = clock();
time1 = clock();
printf("tile decoding time %d/%d:\n", tileno + 1, tcd_cp->tw * tcd_cp->th);
l = t2_decode_packets(src, len, tcd_img, tcd_cp, tileno, tile);
if (l == -999) {
eof = 1;
fprintf(stderr, "tcd_decode: incomplete bistream\n");
}
time1 = clock() - time1;
/* printf("tier 2: %ld.%.3ld s\n", time1/CLOCKS_PER_SEC, (time1%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
time2 = clock();
t1_init_luts();
t1_decode_cblks(tile, tcd_tcp);
time2 = clock() - time2;
/* printf("tier 1: %ld.%.3ld s\n", time2/CLOCKS_PER_SEC, (time2%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
time3 = clock();
for (compno = 0; compno < tile->numcomps; compno++)
{
tcd_tilecomp_t *tilec = &tile->comps[compno];
if (tcd_tcp->tccps[compno].qmfbid == 1)
{
dwt_decode(tilec->data, tilec->x1 - tilec->x0,tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
} else
{ /*if (tcd_tcp->tccps[compno].qmfbid == 0) {*/
dwt_decode_real(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0, tilec, tilec->numresolutions - 1);
}
}
time3 = clock() - time3;
/* printf("dwt: %ld.%.3ld s\n", time3/CLOCKS_PER_SEC, (time3%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
time4 = clock();
if (tcd_tcp->mct) {
if (tcd_tcp->tccps[0].qmfbid == 0) {
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));
} else {
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));
}
}
time4 = clock() - time4;
/* printf("mct: %ld.%.3ld s\n", time4/CLOCKS_PER_SEC, (time4%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
time5 = clock();
for (compno = 0; compno < tile->numcomps; compno++) {
tcd_tilecomp_t *tilec = &tile->comps[compno];
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 = int_ceildiv(tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
int i, j;
int offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
int offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
for (j = tilec->y0; j < tilec->y1; j++) {
for (i = tilec->x0; i < tilec->x1; i++) {
int v;
if (tcd_tcp->tccps[compno].qmfbid == 1) {
v = tilec->data[i - tilec->x0 + (j - tilec->y0) * tw];
} else { /* if (tcd_tcp->tccps[compno].qmfbid == 0) */
v = tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] >> 13;
}
v += adjust;
/* tcd_img->comps[compno].data[i+j*w]=int_clamp(v, min, max); */
tcd_img->comps[compno].data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max); /* change ! */
}
}
}
time5 = clock() - time5;
/* printf("tile->img: %ld.%.3ld s\n", time5/CLOCKS_PER_SEC, (time5%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
time6 = clock() - time6;
printf("total: %ld.%.3ld s\n\n", time6 / CLOCKS_PER_SEC, (time6 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
if (eof) {
longjmp(j2k_error, 1);
}
return l;
}
Reference in New Issue View Git Blame Copy Permalink