/*
- * Copyright (c) 2001-2002, David Janssens
- * Copyright (c) 2003, Yannick Verschueren
- * Copyright (c) 2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include "pi.h"
-#include "int.h"
-#include <stdlib.h>
-#include <stdio.h>
+#include "opj_includes.h"
+/** @defgroup PI PI - Implementation of a packet iterator */
+/*@{*/
-/* <summary> */
-/* Create a packet iterator. */
-/* </summary> */
-pi_iterator_t *pi_create(j2k_image_t * img, j2k_cp_t * cp, int tileno)
-{
- int p, q;
- int compno, resno, pino, layno, precno;
- int maxres = 0;
- pi_iterator_t *pi;
- j2k_tcp_t *tcp;
- j2k_tccp_t *tccp;
+/** @name Local static functions */
+/*@{*/
- tcp = &cp->tcps[tileno];
- pi =
- (pi_iterator_t *) malloc((tcp->numpocs + 1) * sizeof(pi_iterator_t));
+/**
+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);
- for (pino = 0; pino < tcp->numpocs + 1; pino++) { /* change */
- p = tileno % cp->tw;
- q = tileno / cp->tw;
+/*@}*/
- /* pi->tx0=int_max(cp->tx0+p*cp->tdx, img->x0);
- pi->ty0=int_max(cp->ty0+q*cp->tdy, img->y0);
- pi->tx1=int_min(cp->tx0+(p+1)*cp->tdx, img->x1);
- pi->ty1=int_min(cp->ty0+(q+1)*cp->tdy, img->y1);
- pi->numcomps=img->numcomps;
- pi->comps=(pi_comp_t*)malloc(img->numcomps*sizeof(pi_comp_t)); */
-
- pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
- pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
- pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
- pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
- pi[pino].numcomps = img->numcomps;
- pi[pino].comps =
- (pi_comp_t *) malloc(img->numcomps * sizeof(pi_comp_t));
+/*@}*/
- for (compno = 0; compno < pi->numcomps; compno++) {
- int tcx0, tcy0, tcx1, tcy1;
- /* pi_comp_t *comp=&pi->comps[compno]; */
- pi_comp_t *comp = &pi[pino].comps[compno];
- tccp = &tcp->tccps[compno];
- comp->dx = img->comps[compno].dx;
- comp->dy = img->comps[compno].dy;
- comp->numresolutions = tccp->numresolutions;
- comp->resolutions =
- (pi_resolution_t *) malloc(comp->numresolutions *
- sizeof(pi_resolution_t));
- tcx0 = int_ceildiv(pi->tx0, comp->dx);
- tcy0 = int_ceildiv(pi->ty0, comp->dy);
- tcx1 = int_ceildiv(pi->tx1, comp->dx);
- tcy1 = int_ceildiv(pi->ty1, comp->dy);
- if (comp->numresolutions > maxres) {
- maxres = comp->numresolutions;
- }
- for (resno = 0; resno < comp->numresolutions; resno++) {
- int levelno;
- int rx0, ry0, rx1, ry1;
- int px0, py0, px1, py1;
- pi_resolution_t *res = &comp->resolutions[resno];
- if (tccp->csty & J2K_CCP_CSTY_PRT) {
- res->pdx = tccp->prcw[resno];
- res->pdy = tccp->prch[resno];
- } else {
- res->pdx = 15;
- res->pdy = 15;
- }
- levelno = comp->numresolutions - 1 - resno;
- rx0 = int_ceildivpow2(tcx0, levelno);
- ry0 = int_ceildivpow2(tcy0, levelno);
- rx1 = int_ceildivpow2(tcx1, levelno);
- ry1 = int_ceildivpow2(tcy1, levelno);
- px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
- py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
- px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
- py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
- res->pw = (px1 - px0) >> res->pdx;
- res->ph = (py1 - py0) >> res->pdy;
- }
- }
-
- /* pi->first=1;
- pi->poc.resno0=0;
- pi->poc.compno0=0;
- pi->poc.layno1=tcp->numlayers;
- pi->poc.resno1=maxres;
- pi->poc.compno1=img->numcomps;
- pi->poc.prg=tcp->prg; */
-
- for (layno = 0; layno < 10; layno++) {
- /* pi_comp_t *compo; */
- /* pi_resolution_t *res; */
- for (resno = 0; resno < 10; resno++) {
- for (compno = 0; compno < 3; compno++) {
- /* compo=&pi[pino].comps[compno]; */
- /* res=&compo->resolutions[pi->resno]; */
- for (precno = 0; precno < 99; precno++) {
- pi[pino].include[layno][resno][compno][precno] = 0;
- }
- }
- }
- }
-
- if (pino == tcp->numpocs) {
- pi[pino].first = 1;
- pi[pino].poc.resno0 = 0;
- pi[pino].poc.compno0 = 0;
- pi[pino].poc.layno1 = tcp->numlayers;
- pi[pino].poc.resno1 = maxres;
- pi[pino].poc.compno1 = img->numcomps;
- pi[pino].poc.prg = tcp->prg;
- } else {
- pi[pino].first = 1;
- pi[pino].poc.resno0 = tcp->pocs[pino].resno0;
- pi[pino].poc.compno0 = tcp->pocs[pino].compno0;
- pi[pino].poc.layno1 = tcp->pocs[pino].layno1;
- pi[pino].poc.resno1 = tcp->pocs[pino].resno1;
- pi[pino].poc.compno1 = tcp->pocs[pino].compno1;
- pi[pino].poc.prg = tcp->pocs[pino].prg;
- }
- }
- return pi;
-}
-
-/* <summary> */
-/* Get next packet in layer=resolution-component-precinct order. */
-/* </summary> */
-int pi_next_lrcp(pi_iterator_t * pi)
-{
- pi_comp_t *comp;
- pi_resolution_t *res;
+/*
+==========================================================
+ 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 skip;
+ goto LABEL_SKIP;
} else {
pi->first = 0;
}
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
+
+ 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++) {
+ pi->resno++) {
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
comp = &pi->comps[pi->compno];
if (pi->resno >= comp->numresolutions) {
-
continue;
}
res = &comp->resolutions[pi->resno];
- for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
- if (!pi->include[pi->layno][pi->resno][pi->compno][pi->precno]) {
- pi->include[pi->layno][pi->resno][pi->compno][pi->precno] = 1;
- return 1;
+ 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 true;
}
- skip:;
+LABEL_SKIP:;
}
}
}
}
- return 0;
+
+ return false;
}
-/* <summary> */
-/* Get next packet in resolution-layer-component-precinct order. */
-/* </summary> */
-int pi_next_rlcp(pi_iterator_t * pi)
-{
- pi_comp_t *comp;
- pi_resolution_t *res;
+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 skip;
+ 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++) {
+ 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];
- for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
- if (!pi->include[pi->layno][pi->resno][pi->compno][pi->precno]) {
- pi->include[pi->layno][pi->resno][pi->compno][pi->precno] = 1;
- return 1;
+ 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 true;
}
- skip:;
+LABEL_SKIP:;
}
}
}
}
- return 0;
+
+ return false;
}
-/* <summary> */
-/* Get next packet in resolution-precinct-component-layer order. */
-/* </summary> */
-int pi_next_rpcl(pi_iterator_t * pi)
-{
- pi_comp_t *comp;
- pi_resolution_t *res;
+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 skip;
+ goto LABEL_SKIP;
} else {
int compno, resno;
pi->first = 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));
+ 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->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++) {
+ 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];
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->x % (comp->dx << rpx) == 0
- || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
- continue;
+ if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpx))))){
+ continue;
}
- if (!
- (pi->y % (comp->dy << rpy) == 0
- || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
- continue;
+ if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
+ 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);
+
+ if ((res->pw==0)||(res->pw==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 = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- if (!pi->include[pi->layno][pi->resno][pi->compno][pi->precno]) {
- pi->include[pi->layno][pi->resno][pi->compno][pi->precno] =
- 1;
- return 1;
+ 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 true;
}
- skip:;
+LABEL_SKIP:;
}
}
}
}
}
- return 0;
+
+ return false;
}
-/* <summary> */
-/* Get next packet in precinct-component-resolution-layer order. */
-/* </summary> */
-int pi_next_pcrl(pi_iterator_t * pi)
-{
- pi_comp_t *comp;
- pi_resolution_t *res;
+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 skip;
+ goto LABEL_SKIP;
} else {
int compno, resno;
pi->first = 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));
+ dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
+ dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
}
}
}
- for (pi->y = pi->ty0; pi->y < pi->ty1;
- pi->y += pi->dy - (pi->y % pi->dy)) {
- for (pi->x = pi->tx0; pi->x < pi->tx1;
- pi->x += pi->dx - (pi->x % pi->dx)) {
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1;
- pi->compno++) {
+ 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++) {
+ 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->x % (comp->dx << rpx) == 0
- || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
- continue;
+ if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpx))))){
+ continue;
}
- if (!
- (pi->y % (comp->dy << rpy) == 0
- || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
- continue;
+ if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
+ 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);
+
+ if ((res->pw==0)||(res->pw==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 = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- if (!pi->include[pi->layno][pi->resno][pi->compno][pi->precno]) {
- pi->include[pi->layno][pi->resno][pi->compno][pi->precno] =
- 1;
- return 1;
- }
- skip:;
+ 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 true;
+ }
+LABEL_SKIP:;
}
}
}
}
}
- return 0;
+
+ return false;
}
-/* <summary> */
-/* Get next packet in component-precinct-resolution-layer order. */
-/* </summary> */
-int pi_next_cprl(pi_iterator_t * pi)
-{
- pi_comp_t *comp;
- pi_resolution_t *res;
+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 skip;
+ goto LABEL_SKIP;
} else {
pi->first = 0;
}
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1;
- pi->compno++) {
+
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
int resno;
comp = &pi->comps[pi->compno];
pi->dx = 0;
pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
}
- for (pi->y = pi->ty0; pi->y < pi->ty1;
- pi->y += pi->dy - (pi->y % pi->dy)) {
- for (pi->x = pi->tx0; pi->x < pi->tx1;
- pi->x += pi->dx - (pi->x % pi->dx)) {
- for (pi->resno = pi->poc.resno0;
- pi->resno < int_min(pi->poc.resno1, comp->numresolutions);
- pi->resno++) {
+ 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->x % (comp->dx << rpx) == 0
- || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
- continue;
+ if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpx))))){
+ continue;
}
- if (!
- (pi->y % (comp->dy << rpy) == 0
- || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
- continue;
+ if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
+ 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);
+
+ if ((res->pw==0)||(res->pw==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 = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- if (!pi->include[pi->layno][pi->resno][pi->compno][pi->precno]) {
- pi->include[pi->layno][pi->resno][pi->compno][pi->precno] =
- 1;
- return 1;
+ 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 true;
}
- skip:;
+LABEL_SKIP:;
}
}
}
}
}
- return 0;
+
+ return false;
}
-/* <summary> */
-/* Get next packet. */
-/* </summary> */
-int pi_next(pi_iterator_t * pi)
-{
+/*
+==========================================================
+ 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);
+ }
+}
+
+bool pi_next(opj_pi_iterator_t * pi) {
switch (pi->poc.prg) {
- case 0:
- return pi_next_lrcp(pi);
- case 1:
- return pi_next_rlcp(pi);
- case 2:
- return pi_next_rpcl(pi);
- case 3:
- return pi_next_pcrl(pi);
- case 4:
- return pi_next_cprl(pi);
+ 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 false;
+ }
+
+ return false;
+}
+
+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 true;
}
- return 0;
+
+ 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 false;
}
+
projects / openjpeg.git / blobdiff