/*
- * Copyright (c) 2001-2002, David Janssens
- * Copyright (c) 2003-2004, Yannick Verschueren
- * Copyright (c) 2003-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * 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
* 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>
-
-/* <summary>
- * Create a packet iterator.
- * </summary> */
-pi_iterator_t *pi_create(j2k_image_t * img, j2k_cp_t * cp, int tileno)
-{
- int p, q, i;
- int compno, resno, pino;
- int maxres = 0;
- pi_iterator_t *pi;
- j2k_tcp_t *tcp;
- j2k_tccp_t *tccp;
-
- tcp = &cp->tcps[tileno];
- pi = (pi_iterator_t *) malloc((tcp->numpocs + 1) *
- sizeof(pi_iterator_t));
-
- for (pino = 0; pino < tcp->numpocs + 1; pino++) { /* change */
- p = tileno % cp->tw;
- q = tileno / cp->tw;
-
- pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
- pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
- pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
- pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
- pi[pino].numcomps = img->numcomps;
- pi[pino].comps =
- (pi_comp_t *) malloc(img->numcomps * sizeof(pi_comp_t));
-
- for (compno = 0; compno < pi->numcomps; compno++) {
- int tcx0, tcy0, tcx1, tcy1;
- pi_comp_t *comp = &pi[pino].comps[compno];
- tccp = &tcp->tccps[compno];
- comp->dx = img->comps[compno].dx;
- comp->dy = img->comps[compno].dy;
- comp->numresolutions = tccp->numresolutions;
- comp->resolutions =
- (pi_resolution_t *) malloc(comp->numresolutions *
- sizeof(pi_resolution_t));
- tcx0 = int_ceildiv(pi->tx0, comp->dx);
- tcy0 = int_ceildiv(pi->ty0, comp->dy);
- tcx1 = int_ceildiv(pi->tx1, comp->dx);
- tcy1 = int_ceildiv(pi->ty1, comp->dy);
- if (comp->numresolutions > maxres) {
- maxres = comp->numresolutions;
- }
- for (resno = 0; resno < comp->numresolutions; resno++) {
- int levelno;
- int rx0, ry0, rx1, ry1;
- int px0, py0, px1, py1;
- pi_resolution_t *res = &comp->resolutions[resno];
- if (tccp->csty & J2K_CCP_CSTY_PRT) {
- res->pdx = tccp->prcw[resno];
- res->pdy = tccp->prch[resno];
+#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 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 {
- res->pdx = 15;
- res->pdy = 15;
+ pi->first = 0;
}
- levelno = comp->numresolutions - 1 - resno;
- rx0 = int_ceildivpow2(tcx0, levelno);
- ry0 = int_ceildivpow2(tcy0, levelno);
- rx1 = int_ceildivpow2(tcx1, levelno);
- ry1 = int_ceildivpow2(tcy1, levelno);
- px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
- py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
- px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
- py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
- res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx); /*Mod Antonin : sizebug1*/
- res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy); /*Mod Antonin : sizebug1*/
- }
- }
-
- tccp = &tcp->tccps[0];
- pi[pino].step_p = 1;
- pi[pino].step_c = 100 * pi[pino].step_p;
- pi[pino].step_r = img->numcomps * pi[pino].step_c;
- pi[pino].step_l = maxres * pi[pino].step_r;
-
- if (pino == 0) {
- pi[pino].include =
- (short int *) malloc(img->numcomps * maxres *
- tcp->numlayers * 100 * sizeof(short int));
- for (i = 0; i < img->numcomps * maxres * tcp->numlayers * 100; i++)
- pi[pino].include[i] = 0;
- }
- /* pi[pino].include=(short int*)calloc(img->numcomps*maxres*tcp->numlayers*1000,sizeof(short int)); */
- else
- pi[pino].include = pi[pino - 1].include;
-
- if (tcp->POC == 0) {
- pi[pino].first = 1;
- pi[pino].poc.resno0 = 0;
- pi[pino].poc.compno0 = 0;
- pi[pino].poc.layno1 = tcp->numlayers;
- pi[pino].poc.resno1 = maxres;
- pi[pino].poc.compno1 = img->numcomps;
- pi[pino].poc.prg = tcp->prg;
- } else {
- pi[pino].first = 1;
- pi[pino].poc.resno0 = tcp->pocs[pino].resno0;
- pi[pino].poc.compno0 = tcp->pocs[pino].compno0;
- pi[pino].poc.layno1 = tcp->pocs[pino].layno1;
- pi[pino].poc.resno1 = tcp->pocs[pino].resno1;
- pi[pino].poc.compno1 = tcp->pocs[pino].compno1;
- pi[pino].poc.prg = tcp->pocs[pino].prg;
- }
- }
- return pi;
+
+ for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
+ for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
+ pi->resno++) {
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
+ comp = &pi->comps[pi->compno];
+ if (pi->resno >= comp->numresolutions) {
+ continue;
+ }
+ res = &comp->resolutions[pi->resno];
+ for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
+ 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;
}
-/* <summary>
- * Get next packet in layer-resolution-component-precinct order.
- *
- * pi: packet iterator to modify
- * </summary> */
-int pi_next_lrcp(pi_iterator_t * pi)
-{
- pi_comp_t *comp;
- pi_resolution_t *res;
-
- if (!pi->first) {
- comp = &pi->comps[pi->compno];
- res = &comp->resolutions[pi->resno];
- goto skip;
- } else {
- pi->first = 0;
- }
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
- pi->resno++) {
- for (pi->compno = pi->poc.compno0;
- pi->compno < pi->poc.compno1; pi->compno++) {
- comp = &pi->comps[pi->compno];
- if (pi->resno >= comp->numresolutions) {
- continue;
+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;
}
- res = &comp->resolutions[pi->resno];
- for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
- if (!pi->
- include[pi->layno * pi->step_l +
- pi->resno * pi->step_r +
- pi->compno * pi->step_c + pi->precno * pi->step_p]) {
- pi->include[pi->layno * pi->step_l +
- pi->resno * pi->step_r +
- pi->compno * pi->step_c +
- pi->precno * pi->step_p] = 1;
- return 1;
- }
- skip:;
+
+ for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
+ for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
+ comp = &pi->comps[pi->compno];
+ if (pi->resno >= comp->numresolutions) {
+ continue;
+ }
+ res = &comp->resolutions[pi->resno];
+ for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
+ 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 resolution-layer-component-precinct order.
- *
- * pi: packet iterator to modify
- * </summary> */
-int pi_next_rlcp(pi_iterator_t * pi)
-{
- pi_comp_t *comp;
- pi_resolution_t *res;
- if (!pi->first) {
- comp = &pi->comps[pi->compno];
- res = &comp->resolutions[pi->resno];
- goto skip;
- } else {
- pi->first = 0;
- }
- for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- for (pi->compno = pi->poc.compno0;
- pi->compno < pi->poc.compno1; pi->compno++) {
- comp = &pi->comps[pi->compno];
- if (pi->resno >= comp->numresolutions) {
- continue;
+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->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);
+ }
+ }
}
- res = &comp->resolutions[pi->resno];
- for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
- if (!pi->
- include[pi->layno * pi->step_l +
- pi->resno * pi->step_r +
- pi->compno * pi->step_c + pi->precno * pi->step_p]) {
- pi->include[pi->layno * pi->step_l +
- pi->resno * pi->step_r +
- pi->compno * pi->step_c +
- pi->precno * pi->step_p] = 1;
- return 1;
- }
- skip:;
+
+ for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
+ for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
+ for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
+ int levelno;
+ int trx0, try0;
+ int trx1, try1;
+ 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->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 ((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++) {
+ 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 resolution-precinct-component-layer order.
- *
- * pi: packet iterator to modify
- * </summary> */
-int pi_next_rpcl(pi_iterator_t * pi)
-{
- pi_comp_t *comp;
- pi_resolution_t *res;
- if (!pi->first) {
- goto skip;
- } else {
- int compno, resno;
- pi->first = 0;
- pi->dx = 0;
- pi->dy = 0;
- for (compno = 0; compno < pi->numcomps; compno++) {
- comp = &pi->comps[compno];
- for (resno = 0; resno < comp->numresolutions; resno++) {
- int dx, dy;
- res = &comp->resolutions[resno];
- dx = comp->dx *
- (1 << (res->pdx + comp->numresolutions - 1 - resno));
- dy = comp->dy *
- (1 << (res->pdy + comp->numresolutions - 1 - resno));
- pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
- pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
- }
- }
- }
- for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
- for (pi->y = pi->ty0; pi->y < pi->ty1;
- pi->y += pi->dy - (pi->y % pi->dy)) {
- for (pi->x = pi->tx0; pi->x < pi->tx1;
- pi->x += pi->dx - (pi->x % pi->dx)) {
- for (pi->compno = pi->poc.compno0;
- pi->compno < pi->poc.compno1; pi->compno++) {
- int levelno;
- int trx0, try0;
- int trx1, try1;/* Add antonin pcrl*/
- int rpx, rpy;
- int prci, prcj;
- comp = &pi->comps[pi->compno];
- if (pi->resno >= comp->numresolutions) {
- continue;
- }
- res = &comp->resolutions[pi->resno];
- levelno = comp->numresolutions - 1 - pi->resno;
- trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
- try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
- trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);/* Add antonin pcrl*/
- try1 = int_ceildiv(pi->ty1, comp->dy << levelno);/* Add antonin pcrl*/
- rpx = res->pdx + levelno;
- rpy = res->pdy + levelno;
- if (!
- (pi->x % (comp->dx << rpx) == 0
- || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
- continue;
- }
- if (!
- (pi->y % (comp->dy << rpy) == 0
- || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
- continue;
- }
-
- /*Add Antonin : sizebug1*/
- if ((res->pw==0)||(res->pw==0)) continue;
- /*ddA*/
-
- /*Add Antonin : pcrl*/
- if ((trx0==trx1)||(try0==try1)) continue;
- /*ddA*/
-
- prci =
- int_floordivpow2(int_ceildiv
- (pi->x, comp->dx << levelno),
- res->pdx) - int_floordivpow2(trx0, res->pdx);
- prcj =
- int_floordivpow2(int_ceildiv
- (pi->y, comp->dy << levelno),
- res->pdy) - int_floordivpow2(try0, res->pdy);
- pi->precno = prci + prcj * res->pw;
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- if (!pi->
- include[pi->layno * pi->step_l +
- pi->resno * pi->step_r +
- pi->compno * pi->step_c +
- pi->precno * pi->step_p]) {
- pi->include[pi->layno * pi->step_l +
- pi->resno * pi->step_r +
- pi->compno * pi->step_c +
- pi->precno * pi->step_p] = 1;
- return 1;
- }
- skip:;
- }
+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;
+ for (compno = 0; compno < pi->numcomps; compno++) {
+ comp = &pi->comps[compno];
+ for (resno = 0; resno < comp->numresolutions; resno++) {
+ int dx, dy;
+ res = &comp->resolutions[resno];
+ dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
+ dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
+ pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
+ pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
+ }
+ }
+ }
+
+ for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
+ for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
+ comp = &pi->comps[pi->compno];
+ for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
+ int levelno;
+ int trx0, try0;
+ int trx1, try1;
+ 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 ((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++) {
+ 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 precinct-component-resolution-layer order.
- *
- * pi: packet iterator to modify
- * </summary> */
-int pi_next_pcrl(pi_iterator_t * pi)
-{
- pi_comp_t *comp;
- pi_resolution_t *res;
- if (!pi->first) {
- comp = &pi->comps[pi->compno];
- goto skip;
- } else {
- int compno, resno;
- pi->first = 0;
- pi->dx = 0;
- pi->dy = 0;
- for (compno = 0; compno < pi->numcomps; compno++) {
- comp = &pi->comps[compno];
- for (resno = 0; resno < comp->numresolutions; resno++) {
- int dx, dy;
- res = &comp->resolutions[resno];
- dx = comp->dx *
- (1 << (res->pdx + comp->numresolutions - 1 - resno));
- dy = comp->dy *
- (1 << (res->pdy + comp->numresolutions - 1 - resno));
- pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
- pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
- }
- }
- }
- for (pi->y = pi->ty0; pi->y < pi->ty1;
- pi->y += pi->dy - (pi->y % pi->dy)) {
- for (pi->x = pi->tx0; pi->x < pi->tx1;
- pi->x += pi->dx - (pi->x % pi->dx)) {
- for (pi->compno = pi->poc.compno0;
- pi->compno < pi->poc.compno1; pi->compno++) {
- comp = &pi->comps[pi->compno];
- for (pi->resno = pi->poc.resno0;
- pi->resno < int_min(pi->poc.resno1,
- comp->numresolutions); pi->resno++) {
- int levelno;
- int trx0, try0;
- int trx1, try1;/* Add antonin pcrl*/
- int rpx, rpy;
- int prci, prcj;
- res = &comp->resolutions[pi->resno];
- levelno = comp->numresolutions - 1 - pi->resno;
- trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
- try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
- trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);/* Add antonin pcrl*/
- try1 = int_ceildiv(pi->ty1, comp->dy << levelno);/* Add antonin pcrl*/
- rpx = res->pdx + levelno;
- rpy = res->pdy + levelno;
- if (!
- (pi->x % (comp->dx << rpx) == 0
- || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
- continue;
- }
- if (!
- (pi->y % (comp->dy << rpy) == 0
- || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
- continue;
- }
-
- /*Add Antonin : sizebug1*/
- if ((res->pw==0)||(res->pw==0)) continue;
- /*ddA*/
-
- /*Add Antonin : pcrl*/
- if ((trx0==trx1)||(try0==try1)) continue;
- /*ddA*/
-
- prci =
- int_floordivpow2(int_ceildiv
- (pi->x, comp->dx << levelno),
- res->pdx) - int_floordivpow2(trx0, res->pdx);
- prcj =
- int_floordivpow2(int_ceildiv
- (pi->y, comp->dy << levelno),
- res->pdy) - int_floordivpow2(try0, res->pdy);
- pi->precno = prci + prcj * res->pw;
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- if (!pi->
- include[pi->layno * pi->step_l +
- pi->resno * pi->step_r +
- pi->compno * pi->step_c +
- pi->precno * pi->step_p]) {
- pi->include[pi->layno * pi->step_l +
- pi->resno * pi->step_r +
- pi->compno * pi->step_c +
- pi->precno * pi->step_p] = 1;
- return 1;
- }
-skip:;
- }
+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->numresolutions; resno++) {
+ int dx, dy;
+ res = &comp->resolutions[resno];
+ dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
+ dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
+ pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
+ pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
+ }
+ for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
+ for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
+ for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
+ int levelno;
+ int trx0, try0;
+ int trx1, try1;
+ 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 ((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++) {
+ 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.
- *
- * pi: packet iterator to modify
- * </summary> */
-int pi_next_cprl(pi_iterator_t * pi)
-{
- pi_comp_t *comp;
- pi_resolution_t *res;
- if (!pi->first) {
- comp = &pi->comps[pi->compno];
- goto skip;
- } else {
- pi->first = 0;
- }
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1;
- pi->compno++) {
- int resno;
- comp = &pi->comps[pi->compno];
- pi->dx = 0;
- pi->dy = 0;
- for (resno = 0; resno < comp->numresolutions; resno++) {
- int dx, dy;
- res = &comp->resolutions[resno];
- dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
- dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
- pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
- pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
- }
- for (pi->y = pi->ty0; pi->y < pi->ty1;
- pi->y += pi->dy - (pi->y % pi->dy)) {
- for (pi->x = pi->tx0; pi->x < pi->tx1;
- pi->x += pi->dx - (pi->x % pi->dx)) {
- for (pi->resno = pi->poc.resno0;
- pi->resno < int_min(pi->poc.resno1,
- comp->numresolutions); pi->resno++) {
- int levelno;
- int trx0, try0;
- int trx1, try1;/* Add antonin pcrl*/
- int rpx, rpy;
- int prci, prcj;
- res = &comp->resolutions[pi->resno];
- levelno = comp->numresolutions - 1 - pi->resno;
- trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
- try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
- trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);/* Add antonin pcrl*/
- try1 = int_ceildiv(pi->ty1, comp->dy << levelno);/* Add antonin pcrl*/
- rpx = res->pdx + levelno;
- rpy = res->pdy + levelno;
- if (!
- (pi->x % (comp->dx << rpx) == 0
- || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
- continue;
- }
- if (!
- (pi->y % (comp->dy << rpy) == 0
- || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
- continue;
- }
-
- /*Add Antonin : sizebug1*/
- if ((res->pw==0)||(res->pw==0)) continue;
- /*ddA*/
-
- /*Add Antonin : pcrl*/
- if ((trx0==trx1)||(try0==try1)) continue;
- /*ddA*/
-
- prci =
- int_floordivpow2(int_ceildiv
- (pi->x, comp->dx << levelno),
- res->pdx) - int_floordivpow2(trx0, res->pdx);
- prcj =
- int_floordivpow2(int_ceildiv
- (pi->y, comp->dy << levelno),
- res->pdy) - int_floordivpow2(try0, res->pdy);
- pi->precno = prci + prcj * res->pw;
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
- if (!pi->
- include[pi->layno * pi->step_l +
- pi->resno * pi->step_r +
- pi->compno * pi->step_c +
- pi->precno * pi->step_p]) {
- pi->include[pi->layno * pi->step_l +
- pi->resno * pi->step_r +
- pi->compno * pi->step_c +
- pi->precno * pi->step_p] = 1;
- return 1;
- }
- skip:;
- }
+/*
+==========================================================
+ Packet iterator interface
+==========================================================
+*/
+
+opj_pi_iterator_t *pi_create(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;
+ 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) {
+ /* 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;
+
+ array_size = image->numcomps * sizeof(opj_pi_comp_t);
+ pi[pino].comps = (opj_pi_comp_t *) opj_malloc(array_size);
+ if(!pi[pino].comps) {
+ /* TODO: throw an error */
+ pi_destroy(pi, cp, tileno);
+ return NULL;
+ }
+ memset(pi[pino].comps, 0, array_size);
+
+ 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;
+
+ array_size = comp->numresolutions * sizeof(opj_pi_resolution_t);
+ comp->resolutions = (opj_pi_resolution_t *) opj_malloc(array_size);
+ 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) {
+ array_size = image->numcomps * maxres * tcp->numlayers * maxprec * sizeof(short int);
+ pi[pino].include = (short int *) opj_malloc(array_size);
+ 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;
+ }
}
- }
- }
- }
- return 0;
+
+ return pi;
}
-/* <summary>
- * Get next packet.
- *
- * pi: packet iterator to modify
- * </summary> */
-int pi_next(pi_iterator_t * pi)
-{
- switch (pi->poc.prg) {
- case 0:
- return pi_next_lrcp(pi);
- case 1:
- return pi_next_rlcp(pi);
- case 2:
- return pi_next_rpcl(pi);
- case 3:
- return pi_next_pcrl(pi);
- case 4:
- return pi_next_cprl(pi);
- }
- return 0;
+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);
+ case PROG_UNKNOWN:
+ return false;
+ }
+
+ return false;
+}
+
projects / openjpeg.git / blobdiff