[trunk] JP3D: convert from DOS to UNIX eol

1 files changed, 630 insertions, 630 deletions

diff --git a/src/lib/openjp3d/pi.c b/src/lib/openjp3d/pi.c
index 960c1d84..185d2620 100644
--- a/src/lib/openjp3d/pi.c
+++ b/src/lib/openjp3d/pi.c
@@ -1,630 +1,630 @@
-/*

- * 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;

-		for (resno = 0; resno < comp->numresolution[0]; resno++) {

-			int dx, dy;

-			res = &comp->resolutions[resno];

-			dx = comp->dx * (1 << (res->pdx + comp->numresolution[0] - 1 - resno));

-			dy = comp->dy * (1 << (res->pdy + comp->numresolution[0] - 1 - resno));

-			pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);

-			pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);

-		}

-	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;

-}

-

+/*
+ * 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;
+		for (resno = 0; resno < comp->numresolution[0]; resno++) {
+			int dx, dy;
+			res = &comp->resolutions[resno];
+			dx = comp->dx * (1 << (res->pdx + comp->numresolution[0] - 1 - resno));
+			dy = comp->dy * (1 << (res->pdy + comp->numresolution[0] - 1 - resno));
+			pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
+			pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
+		}
+	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;
+}
+