0,0 → 1,1516 |
/* |
* 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.enc = (opj_tcd_cblk_enc_t*) opj_calloc((prc->cw * prc->ch), sizeof(opj_tcd_cblk_enc_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_enc_t* cblk = &prc->cblks.enc[cblkno]; |
|
/* code-block size (global) */ |
cblk->x0 = int_max(cblkxstart, prc->x0); |
cblk->y0 = int_max(cblkystart, prc->y0); |
cblk->x1 = int_min(cblkxend, prc->x1); |
cblk->y1 = int_min(cblkyend, prc->y1); |
cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char)); |
/* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */ |
cblk->data += 2; |
cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t)); |
cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t)); |
} |
} |
} |
} |
} |
} |
|
/* tcd_dump(stdout, tcd, &tcd->tcd_image); */ |
} |
|
void tcd_free_encode(opj_tcd_t *tcd) { |
int tileno, compno, resno, bandno, precno, cblkno; |
|
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; |
} |
for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { |
opj_free(prc->cblks.enc[cblkno].data - 2); |
opj_free(prc->cblks.enc[cblkno].layers); |
opj_free(prc->cblks.enc[cblkno].passes); |
} |
opj_free(prc->cblks.enc); |
} /* 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] ? |
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; |
} |
} |
} |
/* << 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.enc); |
prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc(prc->cw * prc->ch, sizeof(opj_tcd_cblk_enc_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_enc_t* cblk = &prc->cblks.enc[cblkno]; |
|
/* code-block size (global) */ |
cblk->x0 = int_max(cblkxstart, prc->x0); |
cblk->y0 = int_max(cblkystart, prc->y0); |
cblk->x1 = int_min(cblkxend, prc->x1); |
cblk->y1 = int_min(cblkyend, prc->y1); |
cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char)); |
/* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */ |
cblk->data += 2; |
cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t)); |
cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t)); |
} |
} /* 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].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); |
|
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.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_dec_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_dec_t* cblk = &prc->cblks.dec[cblkno]; |
cblk->data = NULL; |
cblk->segs = NULL; |
/* code-block size (global) */ |
cblk->x0 = int_max(cblkxstart, prc->x0); |
cblk->y0 = int_max(cblkystart, prc->y0); |
cblk->x1 = int_min(cblkxend, prc->x1); |
cblk->y1 = int_min(cblkyend, prc->y1); |
cblk->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_enc_t *cblk = &prc->cblks.enc[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_enc_t *cblk = &prc->cblks.enc[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; |
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min = DBL_MAX; |
max = 0; |
|
tcd_tile->numpix = 0; /* fixed_quality */ |
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for (compno = 0; compno < tcd_tile->numcomps; compno++) { |
opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno]; |
tilec->numpix = 0; |
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for (resno = 0; resno < tilec->numresolutions; resno++) { |
opj_tcd_resolution_t *res = &tilec->resolutions[resno]; |
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for (bandno = 0; bandno < res->numbands; bandno++) { |
opj_tcd_band_t *band = &res->bands[bandno]; |
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for (precno = 0; precno < res->pw * res->ph; precno++) { |
opj_tcd_precinct_t *prc = &band->precincts[precno]; |
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for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { |
opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno]; |
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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 < 128; 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, tcd->cur_totnum_tp); |
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, tcd->cur_totnum_tp); |
/* 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; |
} |
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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,tcd->cur_totnum_tp); |
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) { |
opj_tcd_tilecomp_t* tilec = &tile->comps[compno]; |
/* 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)); |
t1_decode_cblks(t1, tilec, &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 < 0) { |
opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number " |
" of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n", tcd->cp->reduce, tile->comps[compno].numresolutions); |
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(!imagec->data){ |
imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int)); |
} |
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); |
} |
} |
} |
opj_aligned_free(tilec->data); |
} |
|
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); |
|
if (eof) { |
return false; |
} |
|
return true; |
} |
|
void tcd_free_decode(opj_tcd_t *tcd) { |
opj_tcd_image_t *tcd_image = tcd->tcd_image; |
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->imsbtree != NULL) tgt_destroy(prec->imsbtree); |
if (prec->incltree != NULL) tgt_destroy(prec->incltree); |
} |
opj_free(band->precincts); |
} |
} |
opj_free(tilec->resolutions); |
} |
opj_free(tile->comps); |
} |
|
|
|
Property changes: |
Added: svn:executable |
+* |
\ No newline at end of property |