diff options
| author | Giuseppe Baruffa <gbaruffa@users.noreply.github.com> | 2005-11-08 17:40:33 +0000 |
|---|---|---|
| committer | Giuseppe Baruffa <gbaruffa@users.noreply.github.com> | 2005-11-08 17:40:33 +0000 |
| commit | cff5df73d9d7e87f1f960ef73f98d50f75a64ef7 (patch) | |
| tree | 5f0c84dec6079e44607fbdd56ae90746431ab0fd /jpwl/decoder/libopenjpeg/pi.c | |
| parent | e3981542128142fabd46cd7bb05c0f61a59c7396 (diff) | |
Initial revision
Diffstat (limited to 'jpwl/decoder/libopenjpeg/pi.c')
| -rw-r--r-- | jpwl/decoder/libopenjpeg/pi.c | 557 |
1 files changed, 557 insertions, 0 deletions
diff --git a/jpwl/decoder/libopenjpeg/pi.c b/jpwl/decoder/libopenjpeg/pi.c new file mode 100644 index 00000000..cfe5ba00 --- /dev/null +++ b/jpwl/decoder/libopenjpeg/pi.c @@ -0,0 +1,557 @@ +/* + * Copyright (c) 2001-2002, David Janssens + * Copyright (c) 2003-2004, Yannick Verschueren + * Copyright (c) 2003-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "pi.h" +#include "int.h" +#include <stdlib.h> +#include <stdio.h> + +/* <summary> + * Create a packet iterator. + * </summary> */ +pi_iterator_t *pi_create(j2k_image_t * img, j2k_cp_t * cp, int tileno) +{ + int p, q, i; + int compno, resno, pino; + int maxres = 0; + pi_iterator_t *pi; + j2k_tcp_t *tcp; + j2k_tccp_t *tccp; + + tcp = &cp->tcps[tileno]; + pi = (pi_iterator_t *) malloc((tcp->numpocs + 1) * + sizeof(pi_iterator_t)); + + for (pino = 0; pino < tcp->numpocs + 1; pino++) { /* change */ + p = tileno % cp->tw; + q = tileno / cp->tw; + + pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, img->x0); + pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, img->y0); + pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1); + pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1); + pi[pino].numcomps = img->numcomps; + pi[pino].comps = + (pi_comp_t *) malloc(img->numcomps * sizeof(pi_comp_t)); + + for (compno = 0; compno < pi->numcomps; compno++) { + int tcx0, tcy0, tcx1, tcy1; + pi_comp_t *comp = &pi[pino].comps[compno]; + tccp = &tcp->tccps[compno]; + comp->dx = img->comps[compno].dx; + comp->dy = img->comps[compno].dy; + comp->numresolutions = tccp->numresolutions; + comp->resolutions = + (pi_resolution_t *) malloc(comp->numresolutions * + sizeof(pi_resolution_t)); + tcx0 = int_ceildiv(pi->tx0, comp->dx); + tcy0 = int_ceildiv(pi->ty0, comp->dy); + tcx1 = int_ceildiv(pi->tx1, comp->dx); + tcy1 = int_ceildiv(pi->ty1, comp->dy); + if (comp->numresolutions > maxres) { + maxres = comp->numresolutions; + } + for (resno = 0; resno < comp->numresolutions; resno++) { + int levelno; + int rx0, ry0, rx1, ry1; + int px0, py0, px1, py1; + pi_resolution_t *res = &comp->resolutions[resno]; + if (tccp->csty & J2K_CCP_CSTY_PRT) { + res->pdx = tccp->prcw[resno]; + res->pdy = tccp->prch[resno]; + } else { + res->pdx = 15; + res->pdy = 15; + } + levelno = comp->numresolutions - 1 - resno; + rx0 = int_ceildivpow2(tcx0, levelno); + ry0 = int_ceildivpow2(tcy0, levelno); + rx1 = int_ceildivpow2(tcx1, levelno); + ry1 = int_ceildivpow2(tcy1, levelno); + px0 = int_floordivpow2(rx0, res->pdx) << res->pdx; + py0 = int_floordivpow2(ry0, res->pdy) << res->pdy; + px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx; + py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy; + res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx); //Mod Antonin : sizebug1 + res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy); //Mod Antonin : sizebug1 + } + } + + tccp = &tcp->tccps[0]; + pi[pino].step_p = 1; + pi[pino].step_c = 100 * pi[pino].step_p; + pi[pino].step_r = img->numcomps * pi[pino].step_c; + pi[pino].step_l = maxres * pi[pino].step_r; + + if (pino == 0) { + pi[pino].include = + (short int *) malloc(img->numcomps * maxres * + tcp->numlayers * 100 * sizeof(short int)); + for (i = 0; i < img->numcomps * maxres * tcp->numlayers * 100; i++) + pi[pino].include[i] = 0; + } + /* pi[pino].include=(short int*)calloc(img->numcomps*maxres*tcp->numlayers*1000,sizeof(short int)); */ + else + pi[pino].include = pi[pino - 1].include; + + if (tcp->POC == 0) { + pi[pino].first = 1; + pi[pino].poc.resno0 = 0; + pi[pino].poc.compno0 = 0; + pi[pino].poc.layno1 = tcp->numlayers; + pi[pino].poc.resno1 = maxres; + pi[pino].poc.compno1 = img->numcomps; + pi[pino].poc.prg = tcp->prg; + } else { + pi[pino].first = 1; + pi[pino].poc.resno0 = tcp->pocs[pino].resno0; + pi[pino].poc.compno0 = tcp->pocs[pino].compno0; + pi[pino].poc.layno1 = tcp->pocs[pino].layno1; + pi[pino].poc.resno1 = tcp->pocs[pino].resno1; + pi[pino].poc.compno1 = tcp->pocs[pino].compno1; + pi[pino].poc.prg = tcp->pocs[pino].prg; + } + } + return pi; +} + +/* <summary> + * Get next packet in layer-resolution-component-precinct order. + * + * pi: packet iterator to modify + * </summary> */ +int pi_next_lrcp(pi_iterator_t * pi) +{ + pi_comp_t *comp; + pi_resolution_t *res; + + if (!pi->first) { + comp = &pi->comps[pi->compno]; + res = &comp->resolutions[pi->resno]; + goto skip; + } else { + pi->first = 0; + } + for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { + for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; + pi->resno++) { + for (pi->compno = pi->poc.compno0; + pi->compno < pi->poc.compno1; pi->compno++) { + comp = &pi->comps[pi->compno]; + if (pi->resno >= comp->numresolutions) { + continue; + } + res = &comp->resolutions[pi->resno]; + for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) { + if (!pi-> + include[pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + pi->precno * pi->step_p]) { + pi->include[pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + + pi->precno * pi->step_p] = 1; + return 1; + } + skip:; + } + } + } + } + return 0; +} + +/* <summary> + * Get next packet in resolution-layer-component-precinct order. + * + * pi: packet iterator to modify + * </summary> */ +int pi_next_rlcp(pi_iterator_t * pi) +{ + pi_comp_t *comp; + pi_resolution_t *res; + if (!pi->first) { + comp = &pi->comps[pi->compno]; + res = &comp->resolutions[pi->resno]; + goto skip; + } else { + pi->first = 0; + } + for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) { + for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { + for (pi->compno = pi->poc.compno0; + pi->compno < pi->poc.compno1; pi->compno++) { + comp = &pi->comps[pi->compno]; + if (pi->resno >= comp->numresolutions) { + continue; + } + res = &comp->resolutions[pi->resno]; + for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) { + if (!pi-> + include[pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + pi->precno * pi->step_p]) { + pi->include[pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + + pi->precno * pi->step_p] = 1; + return 1; + } + skip:; + } + } + } + } + return 0; +} + +/* <summary> + * Get next packet in resolution-precinct-component-layer order. + * + * pi: packet iterator to modify + * </summary> */ +int pi_next_rpcl(pi_iterator_t * pi) +{ + pi_comp_t *comp; + pi_resolution_t *res; + if (!pi->first) { + goto skip; + } else { + int compno, resno; + pi->first = 0; + pi->dx = 0; + pi->dy = 0; + for (compno = 0; compno < pi->numcomps; compno++) { + comp = &pi->comps[compno]; + for (resno = 0; resno < comp->numresolutions; resno++) { + int dx, dy; + res = &comp->resolutions[resno]; + dx = comp->dx * + (1 << (res->pdx + comp->numresolutions - 1 - resno)); + dy = comp->dy * + (1 << (res->pdy + comp->numresolutions - 1 - resno)); + pi->dx = !pi->dx ? dx : int_min(pi->dx, dx); + pi->dy = !pi->dy ? dy : int_min(pi->dy, dy); + } + } + } + for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) { + for (pi->y = pi->ty0; pi->y < pi->ty1; + pi->y += pi->dy - (pi->y % pi->dy)) { + for (pi->x = pi->tx0; pi->x < pi->tx1; + pi->x += pi->dx - (pi->x % pi->dx)) { + for (pi->compno = pi->poc.compno0; + pi->compno < pi->poc.compno1; pi->compno++) { + int levelno; + int trx0, try0; + int trx1, try1;// Add antonin pcrl + int rpx, rpy; + int prci, prcj; + comp = &pi->comps[pi->compno]; + if (pi->resno >= comp->numresolutions) { + continue; + } + res = &comp->resolutions[pi->resno]; + levelno = comp->numresolutions - 1 - pi->resno; + trx0 = int_ceildiv(pi->tx0, comp->dx << levelno); + try0 = int_ceildiv(pi->ty0, comp->dy << levelno); + trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);// Add antonin pcrl + try1 = int_ceildiv(pi->ty1, comp->dy << levelno);// Add antonin pcrl + rpx = res->pdx + levelno; + rpy = res->pdy + levelno; + if (! + (pi->x % (comp->dx << rpx) == 0 + || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) { + continue; + } + if (! + (pi->y % (comp->dy << rpy) == 0 + || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) { + continue; + } + + //Add Antonin : sizebug1 + if ((res->pw==0)||(res->pw==0)) continue; + //ddA + + //Add Antonin : pcrl + if ((trx0==trx1)||(try0==try1)) continue; + //ddA + + prci = + int_floordivpow2(int_ceildiv + (pi->x, comp->dx << levelno), + res->pdx) - int_floordivpow2(trx0, res->pdx); + prcj = + int_floordivpow2(int_ceildiv + (pi->y, comp->dy << levelno), + res->pdy) - int_floordivpow2(try0, res->pdy); + pi->precno = prci + prcj * res->pw; + for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { + if (!pi-> + include[pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + + pi->precno * pi->step_p]) { + pi->include[pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + + pi->precno * pi->step_p] = 1; + return 1; + } + skip:; + } + } + } + } + } + return 0; +} + +/* <summary> + * Get next packet in precinct-component-resolution-layer order. + * + * pi: packet iterator to modify + * </summary> */ +int pi_next_pcrl(pi_iterator_t * pi) +{ + pi_comp_t *comp; + pi_resolution_t *res; + if (!pi->first) { + comp = &pi->comps[pi->compno]; + goto skip; + } else { + int compno, resno; + pi->first = 0; + pi->dx = 0; + pi->dy = 0; + for (compno = 0; compno < pi->numcomps; compno++) { + comp = &pi->comps[compno]; + for (resno = 0; resno < comp->numresolutions; resno++) { + int dx, dy; + res = &comp->resolutions[resno]; + dx = comp->dx * + (1 << (res->pdx + comp->numresolutions - 1 - resno)); + dy = comp->dy * + (1 << (res->pdy + comp->numresolutions - 1 - resno)); + pi->dx = !pi->dx ? dx : int_min(pi->dx, dx); + pi->dy = !pi->dy ? dy : int_min(pi->dy, dy); + } + } + } + for (pi->y = pi->ty0; pi->y < pi->ty1; + pi->y += pi->dy - (pi->y % pi->dy)) { + for (pi->x = pi->tx0; pi->x < pi->tx1; + pi->x += pi->dx - (pi->x % pi->dx)) { + for (pi->compno = pi->poc.compno0; + pi->compno < pi->poc.compno1; pi->compno++) { + comp = &pi->comps[pi->compno]; + for (pi->resno = pi->poc.resno0; + pi->resno < int_min(pi->poc.resno1, + comp->numresolutions); pi->resno++) { + int levelno; + int trx0, try0; + int trx1, try1;// Add antonin pcrl + int rpx, rpy; + int prci, prcj; + res = &comp->resolutions[pi->resno]; + levelno = comp->numresolutions - 1 - pi->resno; + trx0 = int_ceildiv(pi->tx0, comp->dx << levelno); + try0 = int_ceildiv(pi->ty0, comp->dy << levelno); + trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);// Add antonin pcrl + try1 = int_ceildiv(pi->ty1, comp->dy << levelno);// Add antonin pcrl + rpx = res->pdx + levelno; + rpy = res->pdy + levelno; + if (! + (pi->x % (comp->dx << rpx) == 0 + || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) { + continue; + } + if (! + (pi->y % (comp->dy << rpy) == 0 + || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) { + continue; + } + + //Add Antonin : sizebug1 + if ((res->pw==0)||(res->pw==0)) continue; + //ddA + + //Add Antonin : pcrl + if ((trx0==trx1)||(try0==try1)) continue; + //ddA + + prci = + int_floordivpow2(int_ceildiv + (pi->x, comp->dx << levelno), + res->pdx) - int_floordivpow2(trx0, res->pdx); + prcj = + int_floordivpow2(int_ceildiv + (pi->y, comp->dy << levelno), + res->pdy) - int_floordivpow2(try0, res->pdy); + pi->precno = prci + prcj * res->pw; + for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { + if (!pi-> + include[pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + + pi->precno * pi->step_p]) { + pi->include[pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + + pi->precno * pi->step_p] = 1; + return 1; + } +skip:; + } + } + } + } + } + return 0; +} + +/* <summary> + * Get next packet in component-precinct-resolution-layer order. + * + * pi: packet iterator to modify + * </summary> */ +int pi_next_cprl(pi_iterator_t * pi) +{ + pi_comp_t *comp; + pi_resolution_t *res; + if (!pi->first) { + comp = &pi->comps[pi->compno]; + goto skip; + } else { + pi->first = 0; + } + for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; + pi->compno++) { + int resno; + comp = &pi->comps[pi->compno]; + pi->dx = 0; + pi->dy = 0; + for (resno = 0; resno < comp->numresolutions; resno++) { + int dx, dy; + res = &comp->resolutions[resno]; + dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno)); + dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno)); + pi->dx = !pi->dx ? dx : int_min(pi->dx, dx); + pi->dy = !pi->dy ? dy : int_min(pi->dy, dy); + } + for (pi->y = pi->ty0; pi->y < pi->ty1; + pi->y += pi->dy - (pi->y % pi->dy)) { + for (pi->x = pi->tx0; pi->x < pi->tx1; + pi->x += pi->dx - (pi->x % pi->dx)) { + for (pi->resno = pi->poc.resno0; + pi->resno < int_min(pi->poc.resno1, + comp->numresolutions); pi->resno++) { + int levelno; + int trx0, try0; + int trx1, try1;// Add antonin pcrl + int rpx, rpy; + int prci, prcj; + res = &comp->resolutions[pi->resno]; + levelno = comp->numresolutions - 1 - pi->resno; + trx0 = int_ceildiv(pi->tx0, comp->dx << levelno); + try0 = int_ceildiv(pi->ty0, comp->dy << levelno); + trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);// Add antonin pcrl + try1 = int_ceildiv(pi->ty1, comp->dy << levelno);// Add antonin pcrl + rpx = res->pdx + levelno; + rpy = res->pdy + levelno; + if (! + (pi->x % (comp->dx << rpx) == 0 + || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) { + continue; + } + if (! + (pi->y % (comp->dy << rpy) == 0 + || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) { + continue; + } + + //Add Antonin : sizebug1 + if ((res->pw==0)||(res->pw==0)) continue; + //ddA + + //Add Antonin : pcrl + if ((trx0==trx1)||(try0==try1)) continue; + //ddA + + prci = + int_floordivpow2(int_ceildiv + (pi->x, comp->dx << levelno), + res->pdx) - int_floordivpow2(trx0, res->pdx); + prcj = + int_floordivpow2(int_ceildiv + (pi->y, comp->dy << levelno), + res->pdy) - int_floordivpow2(try0, res->pdy); + pi->precno = prci + prcj * res->pw; + for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { + if (!pi-> + include[pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + + pi->precno * pi->step_p]) { + pi->include[pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + + pi->precno * pi->step_p] = 1; + return 1; + } + skip:; + } + } + } + } + } + return 0; +} + +/* <summary> + * Get next packet. + * + * pi: packet iterator to modify + * </summary> */ +int pi_next(pi_iterator_t * pi) +{ + switch (pi->poc.prg) { + case 0: + return pi_next_lrcp(pi); + case 1: + return pi_next_rlcp(pi); + case 2: + return pi_next_rpcl(pi); + case 3: + return pi_next_pcrl(pi); + case 4: + return pi_next_cprl(pi); + } + return 0; +} |
