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openjpeg/libopenjpeg/tcd.c

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/*
* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2007, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* 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 "opj_includes.h"
void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
int tileno, compno, resno, bandno, precno, cblkno;
fprintf(fd, "image {\n");
fprintf(fd, " tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0, tcd->image->y1);
for (tileno = 0; tileno < img->th * img->tw; tileno++) {
opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
fprintf(fd, " tile {\n");
fprintf(fd, " 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++) {
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
fprintf(fd, " tilec {\n");
fprintf(fd,
" 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++) {
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
fprintf(fd, "\n res {\n");
fprintf(fd,
" 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++) {
opj_tcd_band_t *band = &res->bands[bandno];
fprintf(fd, " band {\n");
fprintf(fd,
" 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++) {
opj_tcd_precinct_t *prec = &band->precincts[precno];
fprintf(fd, " prec {\n");
fprintf(fd,
" 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++) {
opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
fprintf(fd, " cblk {\n");
fprintf(fd,
" x0=%d, y0=%d, x1=%d, y1=%d\n",
cblk->x0, cblk->y0, cblk->x1, cblk->y1);
fprintf(fd, " }\n");
}
fprintf(fd, " }\n");
}
fprintf(fd, " }\n");
}
fprintf(fd, " }\n");
}
fprintf(fd, " }\n");
}
fprintf(fd, " }\n");
}
fprintf(fd, "}\n");
}
/* ----------------------------------------------------------------------- */
/**
Create a new TCD handle
*/
opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
/* create the tcd structure */
opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
if(!tcd) return NULL;
tcd->cinfo = cinfo;
tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
if(!tcd->tcd_image) {
opj_free(tcd);
return NULL;
}
return tcd;
}
/**
Destroy a previously created TCD handle
*/
void tcd_destroy(opj_tcd_t *tcd) {
if(tcd) {
opj_free(tcd->tcd_image);
opj_free(tcd);
}
}
/* ----------------------------------------------------------------------- */
void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
int tileno, compno, resno, bandno, precno, cblkno;
tcd->image = image;
tcd->cp = cp;
tcd->tcd_image->tw = cp->tw;
tcd->tcd_image->th = cp->th;
tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
for (tileno = 0; tileno < 1; tileno++) {
opj_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 */
/* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
/* 4 borders of the tile rescale on the image if necessary */
tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
tile->numcomps = image->numcomps;
/* tile->PPT=image->PPT; */
/* Modification of the RATE >> */
for (j = 0; j < tcp->numlayers; j++) {
tcp->rates[j] = tcp->rates[j] ?
cp->tp_on ?
(((float) (tile->numcomps
* (tile->x1 - tile->x0)
* (tile->y1 - tile->y0)
* image->comps[0].prec))
/(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
:
((float) (tile->numcomps
* (tile->x1 - tile->x0)
* (tile->y1 - tile->y0)
* image->comps[0].prec))/
(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
: 0;
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;
}
if(j == (tcp->numlayers-1)){
tcp->rates[j] = tcp->rates[j]- 2;
}
}
}
/* << Modification of the RATE */
tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
for (compno = 0; compno < tile->numcomps; compno++) {
opj_tccp_t *tccp = &tcp->tccps[compno];
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
/* border of each tile component (global) */
tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
tilec->numresolutions = tccp->numresolutions;
tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_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;
opj_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, i;
int gain, numbps;
opj_stepsize_t *ss = NULL;
opj_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 = image->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 = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_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);
opj_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 = (opj_tcd_cblk_t*) opj_calloc((prc->cw * prc->ch), sizeof(opj_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);
opj_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(stdout, tcd, &tcd->tcd_image); */
}
void tcd_free_encode(opj_tcd_t *tcd) {
int tileno, compno, resno, bandno, precno;
for (tileno = 0; tileno < 1; tileno++) {
opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
for (compno = 0; compno < tile->numcomps; compno++) {
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
for (resno = 0; resno < tilec->numresolutions; resno++) {
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
for (precno = 0; precno < res->pw * res->ph; precno++) {
opj_tcd_precinct_t *prc = &band->precincts[precno];
if (prc->incltree != NULL) {
tgt_destroy(prc->incltree);
prc->incltree = NULL;
}
if (prc->imsbtree != NULL) {
tgt_destroy(prc->imsbtree);
prc->imsbtree = NULL;
}
opj_free(prc->cblks);
prc->cblks = NULL;
} /* for (precno */
opj_free(band->precincts);
band->precincts = NULL;
} /* for (bandno */
} /* for (resno */
opj_free(tilec->resolutions);
tilec->resolutions = NULL;
} /* for (compno */
opj_free(tile->comps);
tile->comps = NULL;
} /* for (tileno */
opj_free(tcd->tcd_image->tiles);
tcd->tcd_image->tiles = NULL;
}
void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
int tileno, compno, resno, bandno, precno, cblkno;
for (tileno = 0; tileno < 1; tileno++) {
opj_tcp_t *tcp = &cp->tcps[curtileno];
int j;
/* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
int p = curtileno % cp->tw;
int q = curtileno / cp->tw;
opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
/* 4 borders of the tile rescale on the image if necessary */
tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
tile->numcomps = image->numcomps;
/* tile->PPT=image->PPT; */
/* Modification of the RATE >> */
for (j = 0; j < tcp->numlayers; j++) {
tcp->rates[j] = tcp->rates[j] ?
((float) (tile->numcomps
* (tile->x1 - tile->x0)
* (tile->y1 - tile->y0)
* image->comps[0].prec))/
(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
: 0;
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=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
for (compno = 0; compno < tile->numcomps; compno++) {
opj_tccp_t *tccp = &tcp->tccps[compno];
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
/* border of each tile component (global) */
tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
tilec->numresolutions = tccp->numresolutions;
/* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_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;
opj_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;
opj_stepsize_t *ss = NULL;
opj_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 */
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 = image->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);
opj_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;
opj_free(prc->cblks);
prc->cblks = (opj_tcd_cblk_t*) opj_calloc(prc->cw * prc->ch, sizeof(opj_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);
opj_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);
}
} /* precno */
} /* bandno */
} /* resno */
} /* compno */
} /* tileno */
/* tcd_dump(stdout, tcd, &tcd->tcd_image); */
}
void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
int i, j, tileno, p, q;
unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
tcd->image = image;
tcd->tcd_image->tw = cp->tw;
tcd->tcd_image->th = cp->th;
tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcd_tile_t));
/*
Allocate place to store the decoded data = final image
Place limited by the tile really present in the codestream
*/
for (j = 0; j < cp->tileno_size; j++) {
opj_tcd_tile_t *tile;
tileno = cp->tileno[j];
tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
tile->numcomps = image->numcomps;
tile->comps = (opj_tcd_tilecomp_t*) opj_calloc(image->numcomps, sizeof(opj_tcd_tilecomp_t));
}
for (i = 0; i < image->numcomps; i++) {
for (j = 0; j < cp->tileno_size; j++) {
opj_tcd_tile_t *tile;
opj_tcd_tilecomp_t *tilec;
/* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
tileno = cp->tileno[j];
tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
tilec = &tile->comps[i];
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, image->x0);
tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
y0 = j == 0 ? tilec->y0 : int_min(y0, (unsigned int) tilec->x0);
x1 = j == 0 ? tilec->x1 : int_max(x1, (unsigned int) tilec->x1);
y1 = j == 0 ? tilec->y1 : int_max(y1, (unsigned int) tilec->y1);
}
w = int_ceildivpow2(x1 - x0, image->comps[i].factor);
h = int_ceildivpow2(y1 - y0, image->comps[i].factor);
image->comps[i].data = (int *) opj_malloc(w * h * sizeof(int));
image->comps[i].w = w;
image->comps[i].h = h;
image->comps[i].x0 = x0;
image->comps[i].y0 = y0;
}
}
void tcd_malloc_decode_tile(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int tileno, opj_codestream_info_t *cstr_info) {
int compno, resno, bandno, precno, cblkno;
opj_tcp_t *tcp;
opj_tcd_tile_t *tile;
tcd->cp = cp;
tcp = &(cp->tcps[cp->tileno[tileno]]);
tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
tileno = cp->tileno[tileno];
for (compno = 0; compno < tile->numcomps; compno++) {
opj_tccp_t *tccp = &tcp->tccps[compno];
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
/* border of each tile component (global) */
tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
/* The +3 is headroom required by the vectorized DWT */
tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0))+3) * sizeof(int));
tilec->numresolutions = tccp->numresolutions;
tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_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;
opj_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);
res->ph = (res->y0 == res->y1) ? 0 : ((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;
opj_stepsize_t *ss = NULL;
opj_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 = image->comps[compno].prec + gain;
band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn)) * 0.5);
band->numbps = ss->expn + tccp->numgbits - 1; /* WHY -1 ? */
band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_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);
opj_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 = (opj_tcd_cblk_t *) opj_malloc(prc->cw * prc->ch * sizeof(opj_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);
/* code-block size (global) */
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
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->numsegs = 0;
}
} /* precno */
} /* bandno */
} /* resno */
} /* compno */
/* tcd_dump(stdout, tcd, &tcd->tcd_image); */
}
void tcd_makelayer_fixed(opj_tcd_t *tcd, 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;
opj_cp_t *cp = tcd->cp;
opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
opj_tcp_t *tcd_tcp = tcd->tcp;
/*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
opj_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) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
* (float) (tcd->image->comps[compno].prec / 16.0));
}
}
}
for (resno = 0; resno < tilec->numresolutions; resno++) {
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
for (precno = 0; precno < res->pw * res->ph; precno++) {
opj_tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
opj_tcd_layer_t *layer = &cblk->layers[layno];
int n;
int imsb = tcd->image->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(opj_tcd_t *tcd) {
int layno;
for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
tcd_makelayer_fixed(tcd, layno, 1);
}
}
void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
int compno, resno, bandno, precno, cblkno, passno;
opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
tcd_tile->distolayer[layno] = 0; /* fixed_quality */
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
for (resno = 0; resno < tilec->numresolutions; resno++) {
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
for (precno = 0; precno < res->pw * res->ph; precno++) {
opj_tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
opj_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;
opj_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 != 0)
n = passno + 1;
continue;
}
if (dd / dr >= thresh)
n = passno + 1;
}
layer->numpasses = n - cblk->numpassesinlayers;
if (!layer->numpasses) {
layer->disto = 0;
continue;
}
if (cblk->numpassesinlayers == 0) {
layer->len = cblk->passes[n - 1].rate;
layer->data = cblk->data;
layer->disto = cblk->passes[n - 1].distortiondec;
} else {
layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
}
tcd_tile->distolayer[layno] += layer->disto; /* fixed_quality */
if (final)
cblk->numpassesinlayers = n;
}
}
}
}
}
}
bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
int compno, resno, bandno, precno, cblkno, passno, layno;
double min, max;
double cumdisto[100]; /* fixed_quality */
const double K = 1; /* 1.1; fixed_quality */
double maxSE = 0;
opj_cp_t *cp = tcd->cp;
opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
opj_tcp_t *tcd_tcp = tcd->tcp;
min = DBL_MAX;
max = 0;
tcd_tile->numpix = 0; /* fixed_quality */
for (compno = 0; compno < tcd_tile->numcomps; compno++) {
opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
tilec->numpix = 0;
for (resno = 0; resno < tilec->numresolutions; resno++) {
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
for (precno = 0; precno < res->pw * res->ph; precno++) {
opj_tcd_precinct_t *prc = &band->precincts[precno];
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
for (passno = 0; passno < cblk->totalpasses; passno++) {
opj_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 */
/* fixed_quality */
tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
} /* cbklno */
} /* precno */
} /* bandno */
} /* resno */
maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
* ((double)(1 << tcd->image->comps[compno].prec) -1.0))
* ((double)(tilec->numpix));
} /* compno */
/* index file */
if(cstr_info) {
opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
tile_info->numpix = tcd_tile->numpix;
tile_info->distotile = tcd_tile->distotile;
tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
}
for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
double lo = min;
double hi = max;
int success = 0;
int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
double goodthresh = 0;
double stable_thresh = 0;
int i;
double distotarget; /* fixed_quality */
/* fixed_quality */
distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
/* Don't try to find an optimal threshold but rather take everything not included yet, if
-r xx,yy,zz,0 (disto_alloc == 1 and rates == 0)
-q xx,yy,zz,0 (fixed_quality == 1 and distoratio == 0)
==> possible to have some lossy layers and the last layer for sure lossless */
if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
double thresh = 0;
for (i = 0; i < 32; i++) {
int l = 0;
double distoachieved = 0; /* fixed_quality */
thresh = (lo + hi) / 2;
tcd_makelayer(tcd, layno, thresh, 0);
if (cp->fixed_quality) { /* fixed_quality */
if(cp->cinema){
l = t2_encode_packets(t2,tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, cstr_info,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,THRESH_CALC);
if (l == -999) {
lo = thresh;
continue;
}else{
distoachieved = layno == 0 ?
tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
if (distoachieved < distotarget) {
hi=thresh;
stable_thresh = thresh;
continue;
}else{
lo=thresh;
}
}
}else{
distoachieved = (layno == 0) ?
tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
if (distoachieved < distotarget) {
hi = thresh;
stable_thresh = thresh;
continue;
}
lo = thresh;
}
} else {
l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, cstr_info,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,THRESH_CALC);
/* TODO: what to do with l ??? seek / tell ??? */
/* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
if (l == -999) {
lo = thresh;
continue;
}
hi = thresh;
stable_thresh = thresh;
}
}
success = 1;
goodthresh = stable_thresh == 0? thresh : stable_thresh;
t2_destroy(t2);
} else {
success = 1;
goodthresh = min;
}
if (!success) {
return false;
}
if(cstr_info) { /* Threshold for Marcela Index */
cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
}
tcd_makelayer(tcd, layno, goodthresh, 1);
/* fixed_quality */
cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
}
return true;
}
int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
int compno;
int l, i, numpacks = 0;
opj_tcd_tile_t *tile = NULL;
opj_tcp_t *tcd_tcp = NULL;
opj_cp_t *cp = NULL;
opj_tcp_t *tcp = &tcd->cp->tcps[0];
opj_tccp_t *tccp = &tcp->tccps[0];
opj_image_t *image = tcd->image;
opj_t1_t *t1 = NULL; /* T1 component */
opj_t2_t *t2 = NULL; /* T2 component */
tcd->tcd_tileno = tileno;
tcd->tcd_tile = tcd->tcd_image->tiles;
tcd->tcp = &tcd->cp->tcps[tileno];
tile = tcd->tcd_tile;
tcd_tcp = tcd->tcp;
cp = tcd->cp;
if(tcd->cur_tp_num == 0){
tcd->encoding_time = opj_clock(); /* time needed to encode a tile */
/* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
if(cstr_info) {
opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0]; /* based on component 0 */
for (i = 0; i < tilec_idx->numresolutions; i++) {
opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
cstr_info->tile[tileno].pw[i] = res_idx->pw;
cstr_info->tile[tileno].ph[i] = res_idx->ph;
numpacks += res_idx->pw * res_idx->ph;
cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
}
cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(cstr_info->numcomps * cstr_info->numlayers * numpacks, sizeof(opj_packet_info_t));
}
/* << INDEX */
/*---------------TILE-------------------*/
for (compno = 0; compno < tile->numcomps; compno++) {
int x, y;
int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
int tw = tilec->x1 - tilec->x0;
int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
/* extract tile data */
if (tcd_tcp->tccps[compno].qmfbid == 1) {
for (y = tilec->y0; y < tilec->y1; y++) {
/* start of the src tile scanline */
int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
/* start of the dst tile scanline */
int *tile_data = &tilec->data[(y - tilec->y0) * tw];
for (x = tilec->x0; x < tilec->x1; x++) {
*tile_data++ = *data++ - adjust;
}
}
} else if (tcd_tcp->tccps[compno].qmfbid == 0) {
for (y = tilec->y0; y < tilec->y1; y++) {
/* start of the src tile scanline */
int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
/* start of the dst tile scanline */
int *tile_data = &tilec->data[(y - tilec->y0) * tw];
for (x = tilec->x0; x < tilec->x1; x++) {
*tile_data++ = (*data++ - adjust) << 11;
}
}
}
}
/*----------------MCT-------------------*/
if (tcd_tcp->mct) {
int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
if (tcd_tcp->tccps[0].qmfbid == 0) {
mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
} else {
mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
}
}
/*----------------DWT---------------------*/
for (compno = 0; compno < tile->numcomps; compno++) {
opj_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);
}
}
/*------------------TIER1-----------------*/
t1 = t1_create(tcd->cinfo);
t1_encode_cblks(t1, tile, tcd_tcp);
t1_destroy(t1);
/*-----------RATE-ALLOCATE------------------*/
/* INDEX */
if(cstr_info) {
cstr_info->index_write = 0;
}
if (cp->disto_alloc || cp->fixed_quality) { /* fixed_quality */
/* Normal Rate/distortion allocation */
tcd_rateallocate(tcd, dest, len, cstr_info);
} else {
/* Fixed layer allocation */
tcd_rateallocate_fixed(tcd);
}
}
/*--------------TIER2------------------*/
/* INDEX */
if(cstr_info) {
cstr_info->index_write = 1;
}
t2 = t2_create(tcd->cinfo, image, cp);
l = t2_encode_packets(t2,tileno, tile, tcd_tcp->numlayers, dest, len, cstr_info,tcd->tp_num,tcd->tp_pos,tcd->cur_pino,FINAL_PASS);
t2_destroy(t2);
/*---------------CLEAN-------------------*/
if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
tcd->encoding_time = opj_clock() - tcd->encoding_time;
opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
/* cleaning memory */
for (compno = 0; compno < tile->numcomps; compno++) {
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
opj_aligned_free(tilec->data);
}
}
return l;
}
bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
int l;
int compno;
int eof = 0;
double tile_time, t1_time, dwt_time;
opj_tcd_tile_t *tile = NULL;
opj_t1_t *t1 = NULL; /* T1 component */
opj_t2_t *t2 = NULL; /* T2 component */
tcd->tcd_tileno = tileno;
tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
tcd->tcp = &(tcd->cp->tcps[tileno]);
tile = tcd->tcd_tile;
tile_time = opj_clock(); /* time needed to decode a tile */
opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
/* INDEX >> */
if(cstr_info) {
int resno, compno, numprec = 0;
for (compno = 0; compno < cstr_info->numcomps; compno++) {
opj_tcp_t *tcp = &tcd->cp->tcps[0];
opj_tccp_t *tccp = &tcp->tccps[compno];
opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];
for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
cstr_info->tile[tileno].pw[resno] = res_idx->pw;
cstr_info->tile[tileno].ph[resno] = res_idx->ph;
numprec += res_idx->pw * res_idx->ph;
if (tccp->csty & J2K_CP_CSTY_PRT) {
cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
}
else {
cstr_info->tile[tileno].pdx[resno] = 15;
cstr_info->tile[tileno].pdx[resno] = 15;
}
}
}
cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
cstr_info->packno = 0;
}
/* << INDEX */
/*--------------TIER2------------------*/
t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
t2_destroy(t2);
if (l == -999) {
eof = 1;
opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
}
/*------------------TIER1-----------------*/
t1_time = opj_clock(); /* time needed to decode a tile */
t1 = t1_create(tcd->cinfo);
for (compno = 0; compno < tile->numcomps; ++compno) {
t1_decode_cblks(t1, &tile->comps[compno], &tcd->tcp->tccps[compno]);
}
t1_destroy(t1);
t1_time = opj_clock() - t1_time;
opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
/*----------------DWT---------------------*/
dwt_time = opj_clock(); /* time needed to decode a tile */
for (compno = 0; compno < tile->numcomps; compno++) {
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
int numres2decode;
if (tcd->cp->reduce != 0) {
tcd->image->comps[compno].resno_decoded =
tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
if (tcd->image->comps[compno].resno_decoded < 1) {
opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove is higher than the number "
" of resolutions in the original codestream\nModify the cp_reduce parameter.\n");
return false;
}
}
numres2decode = tcd->image->comps[compno].resno_decoded + 1;
if(numres2decode > 0){
if (tcd->tcp->tccps[compno].qmfbid == 1) {
dwt_decode(tilec, numres2decode);
} else {
dwt_decode_real(tilec, numres2decode);
}
}
}
dwt_time = opj_clock() - dwt_time;
opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
/*----------------MCT-------------------*/
if (tcd->tcp->mct) {
int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
if (tcd->tcp->tccps[0].qmfbid == 1) {
mct_decode(
tile->comps[0].data,
tile->comps[1].data,
tile->comps[2].data,
n);
} else {
mct_decode_real(
(float*)tile->comps[0].data,
(float*)tile->comps[1].data,
(float*)tile->comps[2].data,
n);
}
}
/*---------------TILE-------------------*/
for (compno = 0; compno < tile->numcomps; ++compno) {
opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
opj_image_comp_t* imagec = &tcd->image->comps[compno];
opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
int max = imagec->sgnd ? (1 << (imagec->prec - 1)) - 1 : (1 << imagec->prec) - 1;
int tw = tilec->x1 - tilec->x0;
int w = imagec->w;
int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
int i, j;
if(tcd->tcp->tccps[compno].qmfbid == 1) {
for(j = res->y0; j < res->y1; ++j) {
for(i = res->x0; i < res->x1; ++i) {
int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
v += adjust;
imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
}
}
}else{
for(j = res->y0; j < res->y1; ++j) {
for(i = res->x0; i < res->x1; ++i) {
float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
int v = lrintf(tmp);
v += adjust;
imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
}
}
}
}
tile_time = opj_clock() - tile_time; /* time needed to decode a tile */
opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
for (compno = 0; compno < tile->numcomps; compno++) {
opj_aligned_free(tcd->tcd_image->tiles[tileno].comps[compno].data);
tcd->tcd_image->tiles[tileno].comps[compno].data = NULL;
}
if (eof) {
return false;
}
return true;
}
void tcd_free_decode(opj_tcd_t *tcd) {
opj_tcd_image_t *tcd_image = tcd->tcd_image;
if (tcd_image->tiles != NULL) opj_free(tcd_image->tiles);
}
void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
int compno,resno,bandno,precno;
opj_tcd_image_t *tcd_image = tcd->tcd_image;
opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
for (compno = 0; compno < tile->numcomps; compno++) {
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
for (resno = 0; resno < tilec->numresolutions; resno++) {
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
for (bandno = 0; bandno < res->numbands; bandno++) {
opj_tcd_band_t *band = &res->bands[bandno];
for (precno = 0; precno < res->ph * res->pw; precno++) {
opj_tcd_precinct_t *prec = &band->precincts[precno];
if (prec->cblks != NULL) opj_free(prec->cblks);
if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
if (prec->incltree != NULL) tgt_destroy(prec->incltree);
}
if (band->precincts != NULL) opj_free(band->precincts);
}
}
if (tilec->resolutions != NULL) opj_free(tilec->resolutions);
}
if (tile->comps != NULL) opj_free(tile->comps);
}
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