diff options
Diffstat (limited to 'openjpeg/src/lib/openjp3d/pi.c')
-rw-r--r-- | openjpeg/src/lib/openjp3d/pi.c | 638 |
1 files changed, 638 insertions, 0 deletions
diff --git a/openjpeg/src/lib/openjp3d/pi.c b/openjpeg/src/lib/openjp3d/pi.c new file mode 100644 index 000000000..1ea2ad59a --- /dev/null +++ b/openjpeg/src/lib/openjp3d/pi.c @@ -0,0 +1,638 @@ +/* + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third + * party and contributor rights, including patent rights, and no such rights + * are granted under this license. + * + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium + * Copyright (c) 2006, Mónica Díez, LPI-UVA, Spain + * 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" + +/** @defgroup PI PI - Implementation of a packet iterator */ +/*@{*/ + +/** @name Funciones locales */ +/*@{*/ + +/** +Get next packet in layer-resolution-component-precinct order. +@param pi packet iterator to modify +@return returns false if pi pointed to the last packet or else returns true +*/ +static bool pi_next_lrcp(opj_pi_iterator_t * pi); +/** +Get next packet in resolution-layer-component-precinct order. +@param pi packet iterator to modify +@return returns false if pi pointed to the last packet or else returns true +*/ +static bool pi_next_rlcp(opj_pi_iterator_t * pi); +/** +Get next packet in resolution-precinct-component-layer order. +@param pi packet iterator to modify +@return returns false if pi pointed to the last packet or else returns true +*/ +static bool pi_next_rpcl(opj_pi_iterator_t * pi); +/** +Get next packet in precinct-component-resolution-layer order. +@param pi packet iterator to modify +@return returns false if pi pointed to the last packet or else returns true +*/ +static bool pi_next_pcrl(opj_pi_iterator_t * pi); +/** +Get next packet in component-precinct-resolution-layer order. +@param pi packet iterator to modify +@return returns false if pi pointed to the last packet or else returns true +*/ +static bool pi_next_cprl(opj_pi_iterator_t * pi); + +/*@}*/ + +/*@}*/ + +/* +========================================================== + local functions +========================================================== +*/ + +static bool pi_next_lrcp(opj_pi_iterator_t * pi) { + opj_pi_comp_t *comp = NULL; + opj_pi_resolution_t *res = NULL; + long index = 0; + + if (!pi->first) { + comp = &pi->comps[pi->compno]; + res = &comp->resolutions[pi->resno]; + goto LABEL_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->numresolution[0]) { + continue; + } + res = &comp->resolutions[pi->resno]; + /*for (pi->precno = 0; pi->precno < (res->prctno[0] * res->prctno[1]); pi->precno++) {*/ + for (pi->precno = 0; pi->precno < (res->prctno[0] * res->prctno[1] * res->prctno[2]); pi->precno++) { + index = pi->layno * pi->step_l + + pi->resno * pi->step_r + + pi->compno * pi->step_c + + pi->precno * pi->step_p; + if (!pi->include[index]) { + pi->include[index] = 1; + return true; + } +LABEL_SKIP:; + + } + } + } + } + + return false; +} + +static bool pi_next_rlcp(opj_pi_iterator_t * pi) { + opj_pi_comp_t *comp = NULL; + opj_pi_resolution_t *res = NULL; + long index = 0; + + if (!pi->first) { + comp = &pi->comps[pi->compno]; + res = &comp->resolutions[pi->resno]; + goto LABEL_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->numresolution[0]) { + continue; + } + res = &comp->resolutions[pi->resno]; + /*for (pi->precno = 0; pi->precno < (res->prctno[0] * res->prctno[1]); pi->precno++) {*/ + for (pi->precno = 0; pi->precno < (res->prctno[0] * res->prctno[1] * res->prctno[2]); pi->precno++) { + index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p; + if (!pi->include[index]) { + pi->include[index] = 1; + return true; + } +LABEL_SKIP:; + } + } + } + } + + return false; +} + +static bool pi_next_rpcl(opj_pi_iterator_t * pi) { + opj_pi_comp_t *comp = NULL; + opj_pi_resolution_t *res = NULL; + long index = 0; + + if (!pi->first) { + goto LABEL_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->numresolution[0]; resno++) { + int dx, dy,dz; + res = &comp->resolutions[resno]; + dx = comp->dx * (1 << (res->pdx + comp->numresolution[0] - 1 - resno)); + dy = comp->dy * (1 << (res->pdy + comp->numresolution[1] - 1 - resno)); + dz = comp->dz * (1 << (res->pdz + comp->numresolution[2] - 1 - resno)); + pi->dx = !pi->dx ? dx : int_min(pi->dx, dx); + pi->dy = !pi->dy ? dy : int_min(pi->dy, dy); + pi->dz = !pi->dz ? dz : int_min(pi->dz, dz); + } + } + } + + for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) { + for (pi->z = pi->tz0; pi->z < pi->tz1; pi->z += pi->dz - (pi->z % pi->dz)) { + 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 levelnox, levelnoy, levelnoz; + int trx0, try0, trz0; + int trx1, try1, trz1; + int rpx, rpy, rpz; + int prci, prcj, prck; + comp = &pi->comps[pi->compno]; + if (pi->resno >= comp->numresolution[0]) { + continue; + } + res = &comp->resolutions[pi->resno]; + levelnox = comp->numresolution[0] - 1 - pi->resno; + levelnoy = comp->numresolution[1] - 1 - pi->resno; + levelnoz = comp->numresolution[2] - 1 - pi->resno; + trx0 = int_ceildiv(pi->tx0, comp->dx << levelnox); + try0 = int_ceildiv(pi->ty0, comp->dy << levelnoy); + trz0 = int_ceildiv(pi->tz0, comp->dz << levelnoz); + trx1 = int_ceildiv(pi->tx1, comp->dx << levelnox); + try1 = int_ceildiv(pi->ty1, comp->dy << levelnoy); + trz1 = int_ceildiv(pi->tz1, comp->dz << levelnoz); + rpx = res->pdx + levelnox; + rpy = res->pdy + levelnoy; + rpz = res->pdz + levelnoz; + if ((!(pi->x % (comp->dx << rpx) == 0) || (pi->x == pi->tx0 && (trx0 << levelnox) % (1 << rpx)))) { + continue; + } + if ((!(pi->y % (comp->dy << rpy) == 0) || (pi->y == pi->ty0 && (try0 << levelnoy) % (1 << rpx)))) { + continue; + } + if ((!(pi->z % (comp->dz << rpz) == 0) || (pi->z == pi->tz0 && (trz0 << levelnoz) % (1 << rpx)))) { + continue; + } + if ((res->prctno[0]==0)||(res->prctno[1]==0)||(res->prctno[2]==0)) continue; + + if ((trx0==trx1)||(try0==try1)||(trz0==trz1)) continue; + + prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelnox), res->pdx) + - int_floordivpow2(trx0, res->pdx); + prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelnoy), res->pdy) + - int_floordivpow2(try0, res->pdy); + prck = int_floordivpow2(int_ceildiv(pi->z, comp->dz << levelnoz), res->pdz) + - int_floordivpow2(trz0, res->pdz); + pi->precno = prci + prcj * res->prctno[0] + prck * res->prctno[0] * res->prctno[1]; + for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { + index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p; + if (!pi->include[index]) { + pi->include[index] = 1; + return true; + } + LABEL_SKIP:; + } + } + } + } + } + } + + return false; +} + +static bool pi_next_pcrl(opj_pi_iterator_t * pi) { + opj_pi_comp_t *comp = NULL; + opj_pi_resolution_t *res = NULL; + long index = 0; + + if (!pi->first) { + comp = &pi->comps[pi->compno]; + goto LABEL_SKIP; + } else { + int compno, resno; + pi->first = 0; + pi->dx = 0; + pi->dy = 0; + pi->dz = 0; + for (compno = 0; compno < pi->numcomps; compno++) { + comp = &pi->comps[compno]; + for (resno = 0; resno < comp->numresolution[0]; resno++) { + int dx, dy, dz; + res = &comp->resolutions[resno]; + dx = comp->dx * (1 << (res->pdx + comp->numresolution[0] - 1 - resno)); + dy = comp->dy * (1 << (res->pdy + comp->numresolution[1] - 1 - resno)); + dz = comp->dz * (1 << (res->pdy + comp->numresolution[2] - 1 - resno)); + pi->dx = !pi->dx ? dx : int_min(pi->dx, dx); + pi->dy = !pi->dy ? dy : int_min(pi->dy, dy); + pi->dz = !pi->dz ? dz : int_min(pi->dz, dz); + } + } + } + +for (pi->z = pi->tz0; pi->z < pi->tz1; pi->z += pi->dz - (pi->z % pi->dz)) { + 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->numresolution[0]); pi->resno++) { + int levelnox, levelnoy, levelnoz; + int trx0, try0, trz0; + int trx1, try1, trz1; + int rpx, rpy, rpz; + int prci, prcj, prck; + comp = &pi->comps[pi->compno]; + if (pi->resno >= comp->numresolution[0]) { + continue; + } + res = &comp->resolutions[pi->resno]; + levelnox = comp->numresolution[0] - 1 - pi->resno; + levelnoy = comp->numresolution[1] - 1 - pi->resno; + levelnoz = comp->numresolution[2] - 1 - pi->resno; + trx0 = int_ceildiv(pi->tx0, comp->dx << levelnox); + try0 = int_ceildiv(pi->ty0, comp->dy << levelnoy); + trz0 = int_ceildiv(pi->tz0, comp->dz << levelnoz); + trx1 = int_ceildiv(pi->tx1, comp->dx << levelnox); + try1 = int_ceildiv(pi->ty1, comp->dy << levelnoy); + trz1 = int_ceildiv(pi->tz1, comp->dz << levelnoz); + rpx = res->pdx + levelnox; + rpy = res->pdy + levelnoy; + rpz = res->pdz + levelnoz; + if ((!(pi->x % (comp->dx << rpx) == 0) || (pi->x == pi->tx0 && (trx0 << levelnox) % (1 << rpx)))) { + continue; + } + if ((!(pi->y % (comp->dy << rpy) == 0) || (pi->y == pi->ty0 && (try0 << levelnoy) % (1 << rpx)))) { + continue; + } + if ((!(pi->z % (comp->dz << rpz) == 0) || (pi->z == pi->tz0 && (trz0 << levelnoz) % (1 << rpx)))) { + continue; + } + if ((res->prctno[0]==0)||(res->prctno[1]==0)||(res->prctno[2]==0)) continue; + + if ((trx0==trx1)||(try0==try1)||(trz0==trz1)) continue; + + prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelnox), res->pdx) + - int_floordivpow2(trx0, res->pdx); + prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelnoy), res->pdy) + - int_floordivpow2(try0, res->pdy); + prck = int_floordivpow2(int_ceildiv(pi->z, comp->dz << levelnoz), res->pdz) + - int_floordivpow2(trz0, res->pdz); + pi->precno = prci + prcj * res->prctno[0] + prck * res->prctno[0] * res->prctno[1]; + for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { + index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p; + if (!pi->include[index]) { + pi->include[index] = 1; + return true; + } +LABEL_SKIP:; + } + } + } + } + } +} + + return false; +} + +static bool pi_next_cprl(opj_pi_iterator_t * pi) { + opj_pi_comp_t *comp = NULL; + opj_pi_resolution_t *res = NULL; + long index = 0; + + if (!pi->first) { + comp = &pi->comps[pi->compno]; + goto LABEL_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; + pi->dz = 0; + for (resno = 0; resno < comp->numresolution[0]; resno++) { + int dx, dy, dz; + res = &comp->resolutions[resno]; + dx = comp->dx * (1 << (res->pdx + comp->numresolution[0] - 1 - resno)); + dy = comp->dy * (1 << (res->pdy + comp->numresolution[1] - 1 - resno)); + dz = comp->dz * (1 << (res->pdz + comp->numresolution[2] - 1 - resno)); + pi->dx = !pi->dx ? dx : int_min(pi->dx, dx); + pi->dy = !pi->dy ? dy : int_min(pi->dy, dy); + pi->dz = !pi->dz ? dz : int_min(pi->dz, dz); + } + for (pi->z = pi->tz0; pi->z < pi->tz1; pi->z += pi->dz - (pi->z % pi->dz)) { + 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->numresolution[0]); pi->resno++) { + int levelnox, levelnoy, levelnoz; + int trx0, try0, trz0; + int trx1, try1, trz1; + int rpx, rpy, rpz; + int prci, prcj, prck; + comp = &pi->comps[pi->compno]; + if (pi->resno >= comp->numresolution[0]) { + continue; + } + res = &comp->resolutions[pi->resno]; + levelnox = comp->numresolution[0] - 1 - pi->resno; + levelnoy = comp->numresolution[1] - 1 - pi->resno; + levelnoz = comp->numresolution[2] - 1 - pi->resno; + trx0 = int_ceildiv(pi->tx0, comp->dx << levelnox); + try0 = int_ceildiv(pi->ty0, comp->dy << levelnoy); + trz0 = int_ceildiv(pi->tz0, comp->dz << levelnoz); + trx1 = int_ceildiv(pi->tx1, comp->dx << levelnox); + try1 = int_ceildiv(pi->ty1, comp->dy << levelnoy); + trz1 = int_ceildiv(pi->tz1, comp->dz << levelnoz); + rpx = res->pdx + levelnox; + rpy = res->pdy + levelnoy; + rpz = res->pdz + levelnoz; + if ((!(pi->x % (comp->dx << rpx) == 0) || (pi->x == pi->tx0 && (trx0 << levelnox) % (1 << rpx)))) { + continue; + } + if ((!(pi->y % (comp->dy << rpy) == 0) || (pi->y == pi->ty0 && (try0 << levelnoy) % (1 << rpx)))) { + continue; + } + if ((!(pi->z % (comp->dz << rpz) == 0) || (pi->z == pi->tz0 && (trz0 << levelnoz) % (1 << rpx)))) { + continue; + } + if ((res->prctno[0]==0)||(res->prctno[1]==0)||(res->prctno[2]==0)) continue; + + if ((trx0==trx1)||(try0==try1)||(trz0==trz1)) continue; + + prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelnox), res->pdx) + - int_floordivpow2(trx0, res->pdx); + prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelnoy), res->pdy) + - int_floordivpow2(try0, res->pdy); + prck = int_floordivpow2(int_ceildiv(pi->z, comp->dz << levelnoz), res->pdz) + - int_floordivpow2(trz0, res->pdz); + pi->precno = prci + prcj * res->prctno[0] + prck * res->prctno[0] * res->prctno[1]; + for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) { + index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p; + if (!pi->include[index]) { + pi->include[index] = 1; + return true; + } + LABEL_SKIP:; + } + } + } + } + } + } + + return false; +} + +/* +========================================================== + Packet iterator interface +========================================================== +*/ + +opj_pi_iterator_t *pi_create(opj_volume_t *volume, opj_cp_t *cp, int tileno) { + int p, q, r; + int compno, resno, pino; + opj_pi_iterator_t *pi = NULL; + opj_tcp_t *tcp = NULL; + opj_tccp_t *tccp = NULL; + size_t array_size; + + tcp = &cp->tcps[tileno]; + + array_size = (tcp->numpocs + 1) * sizeof(opj_pi_iterator_t); + pi = (opj_pi_iterator_t *) opj_malloc(array_size); + if(!pi) { + fprintf(stdout,"[ERROR] Malloc of opj_pi_iterator failed \n"); + return NULL; + } + + for (pino = 0; pino < tcp->numpocs + 1; pino++) { /* change */ + int maxres = 0; + int maxprec = 0; + p = tileno % cp->tw; + q = tileno / cp->tw; + r = tileno / (cp->tw * cp->th); + + pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, volume->x0); + pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, volume->y0); + pi[pino].tz0 = int_max(cp->tz0 + r * cp->tdz, volume->z0); + pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, volume->x1); + pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, volume->y1); + pi[pino].tz1 = int_min(cp->tz0 + (r + 1) * cp->tdz, volume->z1); + pi[pino].numcomps = volume->numcomps; + + array_size = volume->numcomps * sizeof(opj_pi_comp_t); + pi[pino].comps = (opj_pi_comp_t *) opj_malloc(array_size); + if(!pi[pino].comps) { + fprintf(stdout,"[ERROR] Malloc of opj_pi_comp failed \n"); + pi_destroy(pi, cp, tileno); + return NULL; + } + memset(pi[pino].comps, 0, array_size); + + for (compno = 0; compno < pi->numcomps; compno++) { + int tcx0, tcx1, tcy0, tcy1, tcz0, tcz1; + int i; + opj_pi_comp_t *comp = &pi[pino].comps[compno]; + tccp = &tcp->tccps[compno]; + + comp->dx = volume->comps[compno].dx; + comp->dy = volume->comps[compno].dy; + comp->dz = volume->comps[compno].dz; + for (i = 0; i < 3; i++) { + comp->numresolution[i] = tccp->numresolution[i]; + if (comp->numresolution[i] > maxres) { + maxres = comp->numresolution[i]; + } + } + array_size = comp->numresolution[0] * sizeof(opj_pi_resolution_t); + comp->resolutions = (opj_pi_resolution_t *) opj_malloc(array_size); + if(!comp->resolutions) { + fprintf(stdout,"[ERROR] Malloc of opj_pi_resolution failed \n"); + pi_destroy(pi, cp, tileno); + return NULL; + } + + tcx0 = int_ceildiv(pi->tx0, comp->dx); + tcy0 = int_ceildiv(pi->ty0, comp->dy); + tcz0 = int_ceildiv(pi->tz0, comp->dz); + tcx1 = int_ceildiv(pi->tx1, comp->dx); + tcy1 = int_ceildiv(pi->ty1, comp->dy); + tcz1 = int_ceildiv(pi->tz1, comp->dz); + + for (resno = 0; resno < comp->numresolution[0]; resno++) { + int levelnox, levelnoy, levelnoz, diff; + int rx0, ry0, rz0, rx1, ry1, rz1; + int px0, py0, pz0, px1, py1, pz1; + opj_pi_resolution_t *res = &comp->resolutions[resno]; + if (tccp->csty & J3D_CCP_CSTY_PRT) { + res->pdx = tccp->prctsiz[0][resno]; + res->pdy = tccp->prctsiz[1][resno]; + res->pdz = tccp->prctsiz[2][resno]; + } else { + res->pdx = 15; + res->pdy = 15; + res->pdz = 15; + } + levelnox = comp->numresolution[0] - 1 - resno; + levelnoy = comp->numresolution[1] - 1 - resno; + levelnoz = comp->numresolution[2] - 1 - resno; + if (levelnoz < 0) levelnoz = 0; + diff = comp->numresolution[0] - comp->numresolution[2]; + + rx0 = int_ceildivpow2(tcx0, levelnox); + ry0 = int_ceildivpow2(tcy0, levelnoy); + rz0 = int_ceildivpow2(tcz0, levelnoz); + rx1 = int_ceildivpow2(tcx1, levelnox); + ry1 = int_ceildivpow2(tcy1, levelnoy); + rz1 = int_ceildivpow2(tcz1, levelnoz); + px0 = int_floordivpow2(rx0, res->pdx) << res->pdx; + py0 = int_floordivpow2(ry0, res->pdy) << res->pdy; + pz0 = int_floordivpow2(rz0, res->pdz) << res->pdz; + px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx; + py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy; + pz1 = int_ceildivpow2(rz1, res->pdz) << res->pdz; + res->prctno[0] = (rx0==rx1)? 0 : ((px1 - px0) >> res->pdx); + res->prctno[1] = (ry0==ry1)? 0 : ((py1 - py0) >> res->pdy); + res->prctno[2] = (rz0==rz1)? 0 : ((pz1 - pz0) >> res->pdz); + + if (res->prctno[0]*res->prctno[1]*res->prctno[2] > maxprec) { + maxprec = res->prctno[0]*res->prctno[1]*res->prctno[2]; + } + } + } + + tccp = &tcp->tccps[0]; + pi[pino].step_p = 1; + pi[pino].step_c = maxprec * pi[pino].step_p; + pi[pino].step_r = volume->numcomps * pi[pino].step_c; + pi[pino].step_l = maxres * pi[pino].step_r; + + if (pino == 0) { + array_size = volume->numcomps * maxres * tcp->numlayers * maxprec * sizeof(short int); + pi[pino].include = (short int *) opj_malloc(array_size); + if(!pi[pino].include) { + fprintf(stdout,"[ERROR] Malloc of pi[pino].include failed \n"); + pi_destroy(pi, cp, tileno); + return NULL; + } + } + 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 = volume->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; +} + +void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno) { + int compno, pino; + opj_tcp_t *tcp = &cp->tcps[tileno]; + if(pi) { + for (pino = 0; pino < tcp->numpocs + 1; pino++) { + if(pi[pino].comps) { + for (compno = 0; compno < pi->numcomps; compno++) { + opj_pi_comp_t *comp = &pi[pino].comps[compno]; + if(comp->resolutions) { + opj_free(comp->resolutions); + } + } + opj_free(pi[pino].comps); + } + } + if(pi->include) { + opj_free(pi->include); + } + opj_free(pi); + } +} + +bool pi_next(opj_pi_iterator_t * pi) { + switch (pi->poc.prg) { + case LRCP: + return pi_next_lrcp(pi); + case RLCP: + return pi_next_rlcp(pi); + case RPCL: + return pi_next_rpcl(pi); + case PCRL: + return pi_next_pcrl(pi); + case CPRL: + return pi_next_cprl(pi); + } + + return false; +} + |