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Diffstat (limited to 'openjpeg/src/lib/openmj2/pi.c')
| -rw-r--r-- | openjpeg/src/lib/openmj2/pi.c | 969 |
1 files changed, 969 insertions, 0 deletions
diff --git a/openjpeg/src/lib/openmj2/pi.c b/openjpeg/src/lib/openmj2/pi.c new file mode 100644 index 000000000..a22078bb5 --- /dev/null +++ b/openjpeg/src/lib/openmj2/pi.c @@ -0,0 +1,969 @@ +/* + * 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) 2002-2014, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2014, Professor Benoit Macq + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2007, Francois-Olivier Devaux + * Copyright (c) 2003-2014, 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" + +/** @defgroup PI PI - Implementation of a packet iterator */ +/*@{*/ + +/** @name Local static functions */ +/*@{*/ + +/** +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 opj_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 opj_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 opj_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 opj_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 opj_bool pi_next_cprl(opj_pi_iterator_t * pi); + +/*@}*/ + +/*@}*/ + +/* +========================================================== + local functions +========================================================== +*/ + +static opj_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 = pi->poc.layno0; 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]; + if (!pi->tp_on){ + pi->poc.precno1 = res->pw * res->ph; + } + for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; 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 OPJ_TRUE; + } +LABEL_SKIP:; + } + } + } + } + + return OPJ_FALSE; +} + +static opj_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 = pi->poc.layno0; 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]; + if(!pi->tp_on){ + pi->poc.precno1 = res->pw * res->ph; + } + for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; 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 OPJ_TRUE; + } +LABEL_SKIP:; + } + } + } + } + + return OPJ_FALSE; +} + +static opj_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->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); + } + } + } +if (!pi->tp_on){ + pi->poc.ty0 = pi->ty0; + pi->poc.tx0 = pi->tx0; + pi->poc.ty1 = pi->ty1; + pi->poc.tx1 = pi->tx1; + } + for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) { + for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) { + for (pi->x = pi->poc.tx0; pi->x < pi->poc.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; + 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); + try1 = int_ceildiv(pi->ty1, comp->dy << levelno); + rpx = res->pdx + levelno; + rpy = res->pdy + levelno; + if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){ + continue; + } + if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){ + continue; + } + + if ((res->pw==0)||(res->ph==0)) continue; + + if ((trx0==trx1)||(try0==try1)) continue; + + 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 = pi->poc.layno0; 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 OPJ_TRUE; + } +LABEL_SKIP:; + } + } + } + } + } + + return OPJ_FALSE; +} + +static opj_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; + 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); + } + } + } + if (!pi->tp_on){ + pi->poc.ty0 = pi->ty0; + pi->poc.tx0 = pi->tx0; + pi->poc.ty1 = pi->ty1; + pi->poc.tx1 = pi->tx1; + } + for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) { + for (pi->x = pi->poc.tx0; pi->x < pi->poc.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; + 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); + try1 = int_ceildiv(pi->ty1, comp->dy << levelno); + rpx = res->pdx + levelno; + rpy = res->pdy + levelno; + if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){ + continue; + } + if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){ + continue; + } + + if ((res->pw==0)||(res->ph==0)) continue; + + if ((trx0==trx1)||(try0==try1)) continue; + + 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 = pi->poc.layno0; 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 OPJ_TRUE; + } +LABEL_SKIP:; + } + } + } + } + } + + return OPJ_FALSE; +} + +static opj_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; + 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); + } + if (!pi->tp_on){ + pi->poc.ty0 = pi->ty0; + pi->poc.tx0 = pi->tx0; + pi->poc.ty1 = pi->ty1; + pi->poc.tx1 = pi->tx1; + } + for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) { + for (pi->x = pi->poc.tx0; pi->x < pi->poc.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; + 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); + try1 = int_ceildiv(pi->ty1, comp->dy << levelno); + rpx = res->pdx + levelno; + rpy = res->pdy + levelno; + if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){ + continue; + } + if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){ + continue; + } + + if ((res->pw==0)||(res->ph==0)) continue; + + if ((trx0==trx1)||(try0==try1)) continue; + + 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 = pi->poc.layno0; 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 OPJ_TRUE; + } +LABEL_SKIP:; + } + } + } + } + } + + return OPJ_FALSE; +} + +/* +========================================================== + Packet iterator interface +========================================================== +*/ + +opj_pi_iterator_t *pi_create_decode(opj_image_t *image, opj_cp_t *cp, int tileno) { + int p, q; + int compno, resno, pino; + opj_pi_iterator_t *pi = NULL; + opj_tcp_t *tcp = NULL; + opj_tccp_t *tccp = NULL; + + tcp = &cp->tcps[tileno]; + + pi = (opj_pi_iterator_t*) opj_calloc((tcp->numpocs + 1), sizeof(opj_pi_iterator_t)); + if(!pi) { + /* TODO: throw an error */ + 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; + + pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0); + pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0); + pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1); + pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1); + pi[pino].numcomps = image->numcomps; + + pi[pino].comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t)); + if(!pi[pino].comps) { + /* TODO: throw an error */ + pi_destroy(pi, cp, tileno); + return NULL; + } + + for (compno = 0; compno < pi->numcomps; compno++) { + int tcx0, tcy0, tcx1, tcy1; + opj_pi_comp_t *comp = &pi[pino].comps[compno]; + tccp = &tcp->tccps[compno]; + comp->dx = image->comps[compno].dx; + comp->dy = image->comps[compno].dy; + comp->numresolutions = tccp->numresolutions; + + comp->resolutions = (opj_pi_resolution_t*) opj_calloc(comp->numresolutions, sizeof(opj_pi_resolution_t)); + if(!comp->resolutions) { + /* TODO: throw an error */ + pi_destroy(pi, cp, tileno); + return NULL; + } + + 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; + opj_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); + res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy); + + if (res->pw*res->ph > maxprec) { + maxprec = res->pw*res->ph; + } + + } + } + + tccp = &tcp->tccps[0]; + pi[pino].step_p = 1; + pi[pino].step_c = maxprec * pi[pino].step_p; + pi[pino].step_r = image->numcomps * pi[pino].step_c; + pi[pino].step_l = maxres * pi[pino].step_r; + + if (pino == 0) { + pi[pino].include = (short int*) opj_calloc(image->numcomps * maxres * tcp->numlayers * maxprec, sizeof(short int)); + if(!pi[pino].include) { + /* TODO: throw an error */ + 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 = image->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; + } + pi[pino].poc.layno0 = 0; + pi[pino].poc.precno0 = 0; + pi[pino].poc.precno1 = maxprec; + + } + + return pi; +} + + +opj_pi_iterator_t *pi_initialise_encode(opj_image_t *image, opj_cp_t *cp, int tileno, J2K_T2_MODE t2_mode){ + int p, q, pino; + int compno, resno; + int maxres = 0; + int maxprec = 0; + opj_pi_iterator_t *pi = NULL; + opj_tcp_t *tcp = NULL; + opj_tccp_t *tccp = NULL; + + tcp = &cp->tcps[tileno]; + + pi = (opj_pi_iterator_t*) opj_calloc((tcp->numpocs + 1), sizeof(opj_pi_iterator_t)); + if(!pi) { return NULL;} + pi->tp_on = cp->tp_on; + + for(pino = 0;pino < tcp->numpocs+1 ; pino ++){ + p = tileno % cp->tw; + q = tileno / cp->tw; + + pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0); + pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0); + pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1); + pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1); + pi[pino].numcomps = image->numcomps; + + pi[pino].comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t)); + if(!pi[pino].comps) { + pi_destroy(pi, cp, tileno); + return NULL; + } + + for (compno = 0; compno < pi[pino].numcomps; compno++) { + int tcx0, tcy0, tcx1, tcy1; + opj_pi_comp_t *comp = &pi[pino].comps[compno]; + tccp = &tcp->tccps[compno]; + comp->dx = image->comps[compno].dx; + comp->dy = image->comps[compno].dy; + comp->numresolutions = tccp->numresolutions; + + comp->resolutions = (opj_pi_resolution_t*) opj_malloc(comp->numresolutions * sizeof(opj_pi_resolution_t)); + if(!comp->resolutions) { + pi_destroy(pi, cp, tileno); + return NULL; + } + + tcx0 = int_ceildiv(pi[pino].tx0, comp->dx); + tcy0 = int_ceildiv(pi[pino].ty0, comp->dy); + tcx1 = int_ceildiv(pi[pino].tx1, comp->dx); + tcy1 = int_ceildiv(pi[pino].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; + opj_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); + res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy); + + if (res->pw*res->ph > maxprec) { + maxprec = res->pw * res->ph; + } + } + } + + tccp = &tcp->tccps[0]; + pi[pino].step_p = 1; + pi[pino].step_c = maxprec * pi[pino].step_p; + pi[pino].step_r = image->numcomps * pi[pino].step_c; + pi[pino].step_l = maxres * pi[pino].step_r; + + for (compno = 0; compno < pi->numcomps; compno++) { + opj_pi_comp_t *comp = &pi->comps[compno]; + for (resno = 0; resno < comp->numresolutions; resno++) { + int dx, dy; + opj_pi_resolution_t *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[pino].dx = !pi->dx ? dx : int_min(pi->dx, dx); + pi[pino].dy = !pi->dy ? dy : int_min(pi->dy, dy); + } + } + + if (pino == 0) { + pi[pino].include = (short int*) opj_calloc(tcp->numlayers * pi[pino].step_l, sizeof(short int)); + if(!pi[pino].include) { + pi_destroy(pi, cp, tileno); + return NULL; + } + } + else { + pi[pino].include = pi[pino - 1].include; + } + + /* Generation of boundaries for each prog flag*/ + if(tcp->POC && ( cp->cinema || ((!cp->cinema) && (t2_mode == FINAL_PASS)))){ + tcp->pocs[pino].compS= tcp->pocs[pino].compno0; + tcp->pocs[pino].compE= tcp->pocs[pino].compno1; + tcp->pocs[pino].resS = tcp->pocs[pino].resno0; + tcp->pocs[pino].resE = tcp->pocs[pino].resno1; + tcp->pocs[pino].layE = tcp->pocs[pino].layno1; + tcp->pocs[pino].prg = tcp->pocs[pino].prg1; + if (pino > 0) + tcp->pocs[pino].layS = (tcp->pocs[pino].layE > tcp->pocs[pino - 1].layE) ? tcp->pocs[pino - 1].layE : 0; + }else { + tcp->pocs[pino].compS= 0; + tcp->pocs[pino].compE= image->numcomps; + tcp->pocs[pino].resS = 0; + tcp->pocs[pino].resE = maxres; + tcp->pocs[pino].layS = 0; + tcp->pocs[pino].layE = tcp->numlayers; + tcp->pocs[pino].prg = tcp->prg; + } + tcp->pocs[pino].prcS = 0; + tcp->pocs[pino].prcE = maxprec;; + tcp->pocs[pino].txS = pi[pino].tx0; + tcp->pocs[pino].txE = pi[pino].tx1; + tcp->pocs[pino].tyS = pi[pino].ty0; + tcp->pocs[pino].tyE = pi[pino].ty1; + tcp->pocs[pino].dx = pi[pino].dx; + tcp->pocs[pino].dy = pi[pino].dy; + } + 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); + } +} + +opj_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); + case PROG_UNKNOWN: + return OPJ_FALSE; + } + + return OPJ_FALSE; +} + +opj_bool pi_create_encode( opj_pi_iterator_t *pi, opj_cp_t *cp,int tileno, int pino,int tpnum, int tppos, J2K_T2_MODE t2_mode,int cur_totnum_tp){ + char prog[4]; + int i; + int incr_top=1,resetX=0; + opj_tcp_t *tcps =&cp->tcps[tileno]; + opj_poc_t *tcp= &tcps->pocs[pino]; + + pi[pino].first = 1; + pi[pino].poc.prg = tcp->prg; + + switch(tcp->prg){ + case CPRL: strncpy(prog, "CPRL",4); + break; + case LRCP: strncpy(prog, "LRCP",4); + break; + case PCRL: strncpy(prog, "PCRL",4); + break; + case RLCP: strncpy(prog, "RLCP",4); + break; + case RPCL: strncpy(prog, "RPCL",4); + break; + case PROG_UNKNOWN: + return OPJ_TRUE; + } + + if(!(cp->tp_on && ((!cp->cinema && (t2_mode == FINAL_PASS)) || cp->cinema))){ + pi[pino].poc.resno0 = tcp->resS; + pi[pino].poc.resno1 = tcp->resE; + pi[pino].poc.compno0 = tcp->compS; + pi[pino].poc.compno1 = tcp->compE; + pi[pino].poc.layno0 = tcp->layS; + pi[pino].poc.layno1 = tcp->layE; + pi[pino].poc.precno0 = tcp->prcS; + pi[pino].poc.precno1 = tcp->prcE; + pi[pino].poc.tx0 = tcp->txS; + pi[pino].poc.ty0 = tcp->tyS; + pi[pino].poc.tx1 = tcp->txE; + pi[pino].poc.ty1 = tcp->tyE; + }else { + if( tpnum < cur_totnum_tp){ + for(i=3;i>=0;i--){ + switch(prog[i]){ + case 'C': + if (i > tppos){ + pi[pino].poc.compno0 = tcp->compS; + pi[pino].poc.compno1 = tcp->compE; + }else{ + if (tpnum == 0){ + tcp->comp_t = tcp->compS; + pi[pino].poc.compno0 = tcp->comp_t; + pi[pino].poc.compno1 = tcp->comp_t+1; + tcp->comp_t+=1; + }else{ + if (incr_top == 1){ + if(tcp->comp_t ==tcp->compE){ + tcp->comp_t = tcp->compS; + pi[pino].poc.compno0 = tcp->comp_t; + pi[pino].poc.compno1 = tcp->comp_t+1; + tcp->comp_t+=1; + incr_top=1; + }else{ + pi[pino].poc.compno0 = tcp->comp_t; + pi[pino].poc.compno1 = tcp->comp_t+1; + tcp->comp_t+=1; + incr_top=0; + } + }else{ + pi[pino].poc.compno0 = tcp->comp_t-1; + pi[pino].poc.compno1 = tcp->comp_t; + } + } + } + break; + + case 'R': + if (i > tppos){ + pi[pino].poc.resno0 = tcp->resS; + pi[pino].poc.resno1 = tcp->resE; + }else{ + if (tpnum == 0){ + tcp->res_t = tcp->resS; + pi[pino].poc.resno0 = tcp->res_t; + pi[pino].poc.resno1 = tcp->res_t+1; + tcp->res_t+=1; + }else{ + if (incr_top == 1){ + if(tcp->res_t==tcp->resE){ + tcp->res_t = tcp->resS; + pi[pino].poc.resno0 = tcp->res_t; + pi[pino].poc.resno1 = tcp->res_t+1; + tcp->res_t+=1; + incr_top=1; + }else{ + pi[pino].poc.resno0 = tcp->res_t; + pi[pino].poc.resno1 = tcp->res_t+1; + tcp->res_t+=1; + incr_top=0; + } + }else{ + pi[pino].poc.resno0 = tcp->res_t - 1; + pi[pino].poc.resno1 = tcp->res_t; + } + } + } + break; + + case 'L': + if (i > tppos){ + pi[pino].poc.layno0 = tcp->layS; + pi[pino].poc.layno1 = tcp->layE; + }else{ + if (tpnum == 0){ + tcp->lay_t = tcp->layS; + pi[pino].poc.layno0 = tcp->lay_t; + pi[pino].poc.layno1 = tcp->lay_t+1; + tcp->lay_t+=1; + }else{ + if (incr_top == 1){ + if(tcp->lay_t == tcp->layE){ + tcp->lay_t = tcp->layS; + pi[pino].poc.layno0 = tcp->lay_t; + pi[pino].poc.layno1 = tcp->lay_t+1; + tcp->lay_t+=1; + incr_top=1; + }else{ + pi[pino].poc.layno0 = tcp->lay_t; + pi[pino].poc.layno1 = tcp->lay_t+1; + tcp->lay_t+=1; + incr_top=0; + } + }else{ + pi[pino].poc.layno0 = tcp->lay_t - 1; + pi[pino].poc.layno1 = tcp->lay_t; + } + } + } + break; + + case 'P': + switch(tcp->prg){ + case LRCP: + case RLCP: + if (i > tppos){ + pi[pino].poc.precno0 = tcp->prcS; + pi[pino].poc.precno1 = tcp->prcE; + }else{ + if (tpnum == 0){ + tcp->prc_t = tcp->prcS; + pi[pino].poc.precno0 = tcp->prc_t; + pi[pino].poc.precno1 = tcp->prc_t+1; + tcp->prc_t+=1; + }else{ + if (incr_top == 1){ + if(tcp->prc_t == tcp->prcE){ + tcp->prc_t = tcp->prcS; + pi[pino].poc.precno0 = tcp->prc_t; + pi[pino].poc.precno1 = tcp->prc_t+1; + tcp->prc_t+=1; + incr_top=1; + }else{ + pi[pino].poc.precno0 = tcp->prc_t; + pi[pino].poc.precno1 = tcp->prc_t+1; + tcp->prc_t+=1; + incr_top=0; + } + }else{ + pi[pino].poc.precno0 = tcp->prc_t - 1; + pi[pino].poc.precno1 = tcp->prc_t; + } + } + } + break; + default: + if (i > tppos){ + pi[pino].poc.tx0 = tcp->txS; + pi[pino].poc.ty0 = tcp->tyS; + pi[pino].poc.tx1 = tcp->txE; + pi[pino].poc.ty1 = tcp->tyE; + }else{ + if (tpnum == 0){ + tcp->tx0_t = tcp->txS; + tcp->ty0_t = tcp->tyS; + pi[pino].poc.tx0 = tcp->tx0_t; + pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx); + pi[pino].poc.ty0 = tcp->ty0_t; + pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy); + tcp->tx0_t = pi[pino].poc.tx1; + tcp->ty0_t = pi[pino].poc.ty1; + }else{ + if (incr_top == 1){ + if(tcp->tx0_t >= tcp->txE){ + if(tcp->ty0_t >= tcp->tyE){ + tcp->ty0_t = tcp->tyS; + pi[pino].poc.ty0 = tcp->ty0_t; + pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy); + tcp->ty0_t = pi[pino].poc.ty1; + incr_top=1;resetX=1; + }else{ + pi[pino].poc.ty0 = tcp->ty0_t; + pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy); + tcp->ty0_t = pi[pino].poc.ty1; + incr_top=0;resetX=1; + } + if(resetX==1){ + tcp->tx0_t = tcp->txS; + pi[pino].poc.tx0 = tcp->tx0_t; + pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx); + tcp->tx0_t = pi[pino].poc.tx1; + } + }else{ + pi[pino].poc.tx0 = tcp->tx0_t; + pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx); + tcp->tx0_t = pi[pino].poc.tx1; + pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy); + pi[pino].poc.ty1 = tcp->ty0_t ; + incr_top=0; + } + }else{ + pi[pino].poc.tx0 = tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx); + pi[pino].poc.tx1 = tcp->tx0_t ; + pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy); + pi[pino].poc.ty1 = tcp->ty0_t ; + } + } + } + break; + } + break; + } + } + } + } + return OPJ_FALSE; +} + |