openjpeg/src/lib/openjpip/jpip_parser.c

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/*
* $Id$
*
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2014, Professor Benoit Macq
* Copyright (c) 2010-2011, Kaori Hagihara
* Copyright (c) 2011, Lucian Corlaciu, GSoC
* 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 <stdio.h>
#include <string.h>
#include <math.h>
#include "jpip_parser.h"
#include "channel_manager.h"
#include "imgreg_manager.h"
#ifdef SERVER
#include "fcgi_stdio.h"
#define logstream FCGI_stdout
#else
#define FCGI_stdout stdout
#define FCGI_stderr stderr
#define logstream stderr
#endif /*SERVER*/
OPJ_BOOL identify_target(query_param_t query_param,
targetlist_param_t *targetlist, target_param_t **target)
{
if (query_param.tid) {
if (strcmp(query_param.tid, "0") != 0) {
if (query_param.cid[0] != '\0') {
fprintf(FCGI_stdout,
"Reason: Target can not be specified both through tid and cid\r\n");
fprintf(FCGI_stdout, "Status: 400\r\n");
return OPJ_FALSE;
}
if ((*target = search_targetBytid(query_param.tid, targetlist))) {
return OPJ_TRUE;
}
}
}
if (query_param.target)
if (!(*target = search_target(query_param.target, targetlist)))
if (!(*target = gene_target(targetlist, query_param.target))) {
return OPJ_FALSE;
}
if (*target) {
fprintf(FCGI_stdout, "JPIP-tid: %s\r\n", (*target)->tid);
return OPJ_TRUE;
} else {
fprintf(FCGI_stdout, "Reason: target not found\r\n");
fprintf(FCGI_stdout, "Status: 400\r\n");
return OPJ_FALSE;
}
}
OPJ_BOOL associate_channel(query_param_t query_param,
sessionlist_param_t *sessionlist,
session_param_t **cursession,
channel_param_t **curchannel)
{
if (search_session_and_channel(query_param.cid, sessionlist, cursession,
curchannel)) {
if (!query_param.cnew) {
set_channel_variable_param(query_param, *curchannel);
}
} else {
fprintf(FCGI_stderr, "Error: process canceled\n");
return OPJ_FALSE;
}
return OPJ_TRUE;
}
OPJ_BOOL open_channel(query_param_t query_param,
sessionlist_param_t *sessionlist,
auxtrans_param_t auxtrans,
target_param_t *target,
session_param_t **cursession,
channel_param_t **curchannel)
{
cachemodel_param_t *cachemodel = NULL;
if (target) {
if (!(*cursession)) {
*cursession = gene_session(sessionlist);
}
if (!(cachemodel = search_cachemodel(target, (*cursession)->cachemodellist)))
if (!(cachemodel = gene_cachemodel((*cursession)->cachemodellist, target,
query_param.return_type == JPPstream))) {
return OPJ_FALSE;
}
} else if (*curchannel) {
cachemodel = (*curchannel)->cachemodel;
}
*curchannel = gene_channel(query_param, auxtrans, cachemodel,
(*cursession)->channellist);
if (*curchannel == NULL) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
OPJ_BOOL close_channel(query_param_t query_param,
sessionlist_param_t *sessionlist,
session_param_t **cursession,
channel_param_t **curchannel)
{
char *cclose;
int i;
if (query_param.cclose[0] == '*') {
#ifndef SERVER
fprintf(logstream, "local log: close all\n");
#endif
/* all channels associatd with the session will be closed */
if (!delete_session(cursession, sessionlist)) {
return OPJ_FALSE;
}
} else {
/* check if all entry belonging to the same session */
for (i = 0, cclose = query_param.cclose; i < query_param.numOfcclose;
i++, cclose += (strlen(cclose) + 1)) {
/* In case of the first entry of close cid */
if (*cursession == NULL) {
if (!search_session_and_channel(cclose, sessionlist, cursession, curchannel)) {
return OPJ_FALSE;
}
} else /* second or more entry of close cid */
if (!(*curchannel = search_channel(cclose, (*cursession)->channellist))) {
fprintf(FCGI_stdout, "Reason: Cclose id %s is from another session\r\n",
cclose);
return OPJ_FALSE;
}
}
/* delete channels */
for (i = 0, cclose = query_param.cclose; i < query_param.numOfcclose;
i++, cclose += (strlen(cclose) + 1)) {
*curchannel = search_channel(cclose, (*cursession)->channellist);
delete_channel(curchannel, (*cursession)->channellist);
}
if ((*cursession)->channellist->first == NULL ||
(*cursession)->channellist->last == NULL)
/* In case of empty session */
{
delete_session(cursession, sessionlist);
}
}
return OPJ_TRUE;
}
/**
* enqueue tiles or precincts into the message queue
*
* @param[in] query_param structured query
* @param[in] msgqueue message queue pointer
*/
void enqueue_imagedata(query_param_t query_param, msgqueue_param_t *msgqueue);
/**
* enqueue metadata bins into the message queue
*
* @param[in] query_param structured query
* @param[in] metadatalist pointer to metadata bin list
* @param[in,out] msgqueue message queue pointer
* @return if succeeded (true) or failed (false)
*/
OPJ_BOOL enqueue_metabins(query_param_t query_param,
metadatalist_param_t *metadatalist, msgqueue_param_t *msgqueue);
OPJ_BOOL gene_JPIPstream(query_param_t query_param,
target_param_t *target,
session_param_t *cursession,
channel_param_t *curchannel,
msgqueue_param_t **msgqueue)
{
index_param_t *codeidx;
cachemodel_param_t *cachemodel;
if (!cursession || !curchannel) { /* stateless */
if (!target) {
return OPJ_FALSE;
}
if (!(cachemodel = gene_cachemodel(NULL, target,
query_param.return_type == JPPstream))) {
return OPJ_FALSE;
}
*msgqueue = gene_msgqueue(OPJ_TRUE, cachemodel);
} else { /* session */
cachemodel = curchannel->cachemodel;
target = cachemodel->target;
*msgqueue = gene_msgqueue(OPJ_FALSE, cachemodel);
}
codeidx = target->codeidx;
if (cachemodel->jppstream) {
fprintf(FCGI_stdout, "Content-type: image/jpp-stream\r\n");
} else {
fprintf(FCGI_stdout, "Content-type: image/jpt-stream\r\n");
}
if (query_param.layers != -1) {
if (query_param.layers > codeidx->COD.numOflayers) {
fprintf(FCGI_stdout, "JPIP-layers: %d\r\n", codeidx->COD.numOflayers);
query_param.layers = codeidx->COD.numOflayers;
}
}
/*meta*/
if (query_param.box_type[0][0] != 0 && query_param.len != 0)
if (!enqueue_metabins(query_param, codeidx->metadatalist, *msgqueue)) {
return OPJ_FALSE;
}
if (query_param.metadata_only) {
return OPJ_TRUE;
}
/* main header */
if (!cachemodel->mhead_model && query_param.len != 0) {
enqueue_mainheader(*msgqueue);
}
/* image codestream */
if ((query_param.fx > 0 && query_param.fy > 0)) {
enqueue_imagedata(query_param, *msgqueue);
}
return OPJ_TRUE;
}
/**
* enqueue precinct data-bins into the queue
*
* @param[in] xmin min x coordinate in the tile at the decomposition level
* @param[in] xmax max x coordinate in the tile at the decomposition level
* @param[in] ymin min y coordinate in the tile at the decomposition level
* @param[in] ymax max y coordinate in the tile at the decomposition level
* @param[in] tile_id tile index
* @param[in] level decomposition level
* @param[in] lastcomp last component number
* @param[in] comps pointer to the array that stores the requested components
* @param[in] layers number of quality layers
* @param[in] msgqueue message queue
* @return
*/
void enqueue_precincts(int xmin, int xmax, int ymin, int ymax, int tile_id,
int level, int lastcomp, OPJ_BOOL *comps, int layers,
msgqueue_param_t *msgqueue);
/**
* enqueue all precincts inside a tile into the queue
*
* @param[in] tile_id tile index
* @param[in] level decomposition level
* @param[in] lastcomp last component number
* @param[in] comps pointer to the array that stores the requested components
* @param[in] layers number of quality layers
* @param[in] msgqueue message queue
* @return
*/
void enqueue_allprecincts(int tile_id, int level, int lastcomp, OPJ_BOOL *comps,
int layers, msgqueue_param_t *msgqueue);
void enqueue_imagedata(query_param_t query_param, msgqueue_param_t *msgqueue)
{
index_param_t *codeidx;
imgreg_param_t imgreg;
range_param_t tile_Xrange, tile_Yrange;
Byte4_t u, v, tile_id;
int xmin, xmax, ymin, ymax;
int numOfreslev;
codeidx = msgqueue->cachemodel->target->codeidx;
if (!(msgqueue->cachemodel->jppstream) &&
get_nmax(codeidx->tilepart) == 1) { /* normally not the case */
numOfreslev = 1;
} else {
numOfreslev = codeidx->COD.numOfdecomp + 1;
}
imgreg = map_viewin2imgreg(query_param.fx, query_param.fy,
query_param.rx, query_param.ry, query_param.rw, query_param.rh,
(int)codeidx->SIZ.XOsiz, (int)codeidx->SIZ.YOsiz, (int)codeidx->SIZ.Xsiz,
(int)codeidx->SIZ.Ysiz,
numOfreslev);
if (query_param.len == 0) {
return;
}
for (u = 0, tile_id = 0; u < codeidx->SIZ.YTnum; u++) {
tile_Yrange = get_tile_Yrange(codeidx->SIZ, tile_id, imgreg.level);
for (v = 0; v < codeidx->SIZ.XTnum; v++, tile_id++) {
tile_Xrange = get_tile_Xrange(codeidx->SIZ, tile_id, imgreg.level);
if (tile_Xrange.minvalue < tile_Xrange.maxvalue &&
tile_Yrange.minvalue < tile_Yrange.maxvalue) {
if (tile_Xrange.maxvalue <= (Byte4_t)(imgreg.xosiz + imgreg.ox) ||
tile_Xrange.minvalue >= (Byte4_t)(imgreg.xosiz + imgreg.ox + imgreg.sx) ||
tile_Yrange.maxvalue <= (Byte4_t)(imgreg.yosiz + imgreg.oy) ||
tile_Yrange.minvalue >= (Byte4_t)(imgreg.yosiz + imgreg.oy + imgreg.sy)) {
/*printf("Tile completely excluded from view-window %d\n", tile_id);*/
/* Tile completely excluded from view-window */
} else if (tile_Xrange.minvalue >= (Byte4_t)(imgreg.xosiz + imgreg.ox) &&
tile_Xrange.maxvalue <= (Byte4_t)(imgreg.xosiz + imgreg.ox + imgreg.sx) &&
tile_Yrange.minvalue >= (Byte4_t)(imgreg.yosiz + imgreg.oy) &&
tile_Yrange.maxvalue <= (Byte4_t)(imgreg.yosiz + imgreg.oy + imgreg.sy)) {
/* Tile completely contained within view-window */
/* high priority */
/*printf("Tile completely contained within view-window %d\n", tile_id);*/
if (msgqueue->cachemodel->jppstream) {
enqueue_tileheader((int)tile_id, msgqueue);
enqueue_allprecincts((int)tile_id, imgreg.level, query_param.lastcomp,
query_param.comps, query_param.layers, msgqueue);
} else {
enqueue_tile(tile_id, imgreg.level, msgqueue);
}
} else {
/* Tile partially overlaps view-window */
/* low priority */
/*printf("Tile partially overlaps view-window %d\n", tile_id);*/
if (msgqueue->cachemodel->jppstream) {
enqueue_tileheader((int)tile_id, msgqueue);
/* FIXME: The following code is suspicious it implicitly cast an unsigned int to int, which truncates values */
xmin = tile_Xrange.minvalue >= (Byte4_t)(imgreg.xosiz + imgreg.ox) ? 0 :
imgreg.xosiz + imgreg.ox - (int)tile_Xrange.minvalue;
xmax = tile_Xrange.maxvalue <= (Byte4_t)(imgreg.xosiz + imgreg.ox + imgreg.sx)
? (int)(tile_Xrange.maxvalue - tile_Xrange.minvalue - 1) : (int)(
imgreg.xosiz + imgreg.ox + imgreg.sx - (int)tile_Xrange.minvalue - 1);
ymin = tile_Yrange.minvalue >= (Byte4_t)(imgreg.yosiz + imgreg.oy) ? 0 :
imgreg.yosiz + imgreg.oy - (int)tile_Yrange.minvalue;
ymax = tile_Yrange.maxvalue <= (Byte4_t)(imgreg.yosiz + imgreg.oy + imgreg.sy)
? (int)(tile_Yrange.maxvalue - tile_Yrange.minvalue - 1) : (int)(
imgreg.yosiz + imgreg.oy + imgreg.sy - (int)tile_Yrange.minvalue - 1);
enqueue_precincts(xmin, xmax, ymin, ymax, (int)tile_id, imgreg.level,
query_param.lastcomp, query_param.comps, query_param.layers, msgqueue);
} else {
enqueue_tile(tile_id, imgreg.level, msgqueue);
}
}
}
}
}
}
void enqueue_precincts(int xmin, int xmax, int ymin, int ymax, int tile_id,
int level, int lastcomp, OPJ_BOOL *comps, int layers,
msgqueue_param_t *msgqueue)
{
index_param_t *codeidx;
int c, u, v, res_lev, dec_lev;
int seq_id;
Byte4_t XTsiz, YTsiz;
Byte4_t XPsiz, YPsiz;
Byte4_t xminP, xmaxP, yminP, ymaxP;
codeidx = msgqueue->cachemodel->target->codeidx;
/* MM: shouldn't xmin/xmax be Byte4_t instead ? */
if (xmin < 0 || xmax < 0 || ymin < 0 || ymax < 0) {
return;
}
/* MM: I think the API should not really be int should it ? */
if (tile_id < 0) {
return;
}
for (c = 0; c < codeidx->SIZ.Csiz; c++)
if (lastcomp == -1 /*all*/ || (c <= lastcomp && comps[c])) {
seq_id = 0;
for (res_lev = 0, dec_lev = codeidx->COD.numOfdecomp; dec_lev >= level;
res_lev++, dec_lev--) {
XTsiz = get_tile_XSiz(codeidx->SIZ, (Byte4_t)tile_id, dec_lev);
YTsiz = get_tile_YSiz(codeidx->SIZ, (Byte4_t)tile_id, dec_lev);
XPsiz = (codeidx->COD.Scod & 0x01) ? codeidx->COD.XPsiz[ res_lev] : XTsiz;
YPsiz = (codeidx->COD.Scod & 0x01) ? codeidx->COD.YPsiz[ res_lev] : YTsiz;
for (u = 0; u < ceil((double)YTsiz / (double)YPsiz); u++) {
yminP = (Byte4_t)u * YPsiz;
ymaxP = (Byte4_t)(u + 1) * YPsiz - 1;
if (YTsiz <= ymaxP) {
ymaxP = YTsiz - 1;
}
for (v = 0; v < ceil((double)XTsiz / (double)XPsiz); v++, seq_id++) {
xminP = (Byte4_t)v * XPsiz;
xmaxP = (Byte4_t)(v + 1) * XPsiz - 1;
if (XTsiz <= xmaxP) {
xmaxP = XTsiz - 1;
}
if (xmaxP < (Byte4_t)xmin || xminP > (Byte4_t)xmax || ymaxP < (Byte4_t)ymin ||
yminP > (Byte4_t)ymax) {
/* Precinct completely excluded from view-window */
} else if (xminP >= (Byte4_t)xmin && xmaxP <= (Byte4_t)xmax &&
yminP >= (Byte4_t)ymin && ymaxP <= (Byte4_t)ymax) {
/* Precinct completely contained within view-window
high priority */
enqueue_precinct(seq_id, tile_id, c, (dec_lev > level) ? -1 : layers, msgqueue);
} else {
/* Precinct partially overlaps view-window
low priority */
enqueue_precinct(seq_id, tile_id, c, (dec_lev > level) ? -1 : layers, msgqueue);
}
}
}
}
}
}
void enqueue_allprecincts(int tile_id, int level, int lastcomp, OPJ_BOOL *comps,
int layers, msgqueue_param_t *msgqueue)
{
index_param_t *codeidx;
int c, i, res_lev, dec_lev;
int seq_id;
Byte4_t XTsiz, YTsiz;
Byte4_t XPsiz, YPsiz;
codeidx = msgqueue->cachemodel->target->codeidx;
if (tile_id < 0) {
return;
}
for (c = 0; c < codeidx->SIZ.Csiz; c++)
if (lastcomp == -1 /*all*/ || (c <= lastcomp && comps[c])) {
seq_id = 0;
for (res_lev = 0, dec_lev = codeidx->COD.numOfdecomp; dec_lev >= level;
res_lev++, dec_lev--) {
XTsiz = get_tile_XSiz(codeidx->SIZ, (Byte4_t)tile_id, dec_lev);
YTsiz = get_tile_YSiz(codeidx->SIZ, (Byte4_t)tile_id, dec_lev);
XPsiz = (codeidx->COD.Scod & 0x01) ? codeidx->COD.XPsiz[ res_lev] : XTsiz;
YPsiz = (codeidx->COD.Scod & 0x01) ? codeidx->COD.YPsiz[ res_lev] : YTsiz;
for (i = 0;
i < ceil((double)YTsiz / (double)YPsiz)*ceil((double)XTsiz / (double)XPsiz);
i++, seq_id++) {
enqueue_precinct(seq_id, tile_id, c, (dec_lev > level) ? -1 : layers,
msgqueue);
}
}
}
}
OPJ_BOOL enqueue_metabins(query_param_t query_param,
metadatalist_param_t *metadatalist, msgqueue_param_t *msgqueue)
{
int i;
for (i = 0; i < MAX_NUMOFBOX && query_param.box_type[i][0] != 0; i++) {
if (query_param.box_type[i][0] == '*') {
fprintf(FCGI_stdout, "Status: 501\r\n");
fprintf(FCGI_stdout,
"Reason: metareq with all box-property * not implemented\r\n");
return OPJ_FALSE;
} else {
Byte8_t idx = search_metadataidx(query_param.box_type[i], metadatalist);
if (idx != (Byte8_t) - 1) {
enqueue_metadata(idx, msgqueue);
} else {
fprintf(FCGI_stdout, "Status: 400\r\n");
fprintf(FCGI_stdout, "Reason: box-type %.4s not found\r\n",
query_param.box_type[i]);
return OPJ_FALSE;
}
}
}
return OPJ_TRUE;
}