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openjpeg/applications/jpip/libopenjpip/jpip_parser.c

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/*
* $Id$
*
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2011, 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*/
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 false;
}
if( ( *target = search_targetBytid( query_param.tid, targetlist)))
return true;
}
}
if( query_param.target)
if( !( *target = search_target( query_param.target, targetlist)))
if(!( *target = gene_target( targetlist, query_param.target)))
return false;
if( *target){
fprintf( FCGI_stdout, "JPIP-tid: %s\r\n", (*target)->tid);
return true;
}
else{
fprintf( FCGI_stdout, "Reason: target not found\r\n");
fprintf( FCGI_stdout, "Status: 400\r\n");
return false;
}
}
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 false;
}
return true;
}
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 false;
}
else
if( *curchannel)
cachemodel = (*curchannel)->cachemodel;
*curchannel = gene_channel( query_param, auxtrans, cachemodel, (*cursession)->channellist);
if( *curchannel == NULL)
return false;
return true;
}
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 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 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 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 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)
*/
bool enqueue_metabins( query_param_t query_param, metadatalist_param_t *metadatalist, msgqueue_param_t *msgqueue);
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 false;
if( !(cachemodel = gene_cachemodel( NULL, target, query_param.return_type==JPPstream)))
return false;
*msgqueue = gene_msgqueue( true, cachemodel);
}
else{ /* session */
cachemodel = curchannel->cachemodel;
target = cachemodel->target;
*msgqueue = gene_msgqueue( 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 false;
if( query_param.metadata_only)
return 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 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, 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, 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,
codeidx->SIZ.XOsiz, codeidx->SIZ.YOsiz, codeidx->SIZ.Xsiz, 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( tile_id, msgqueue);
enqueue_allprecincts( 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( tile_id, msgqueue);
/* FIXME: The following code is suspicious it implicitely cast an unsigned int to int, which truncates values */
xmin = tile_Xrange.minvalue >= (Byte4_t)(imgreg.xosiz + imgreg.ox) ? 0 : imgreg.xosiz + imgreg.ox - tile_Xrange.minvalue;
xmax = tile_Xrange.maxvalue <= (Byte4_t)(imgreg.xosiz + imgreg.ox + imgreg.sx) ? tile_Xrange.maxvalue - tile_Xrange.minvalue -1 : imgreg.xosiz + imgreg.ox + imgreg.sx - tile_Xrange.minvalue -1;
ymin = tile_Yrange.minvalue >= (Byte4_t)(imgreg.yosiz + imgreg.oy) ? 0 : imgreg.yosiz + imgreg.oy - tile_Yrange.minvalue;
ymax = tile_Yrange.maxvalue <= (Byte4_t)(imgreg.yosiz + imgreg.oy + imgreg.sy) ? tile_Yrange.maxvalue - tile_Yrange.minvalue -1 : imgreg.yosiz + imgreg.oy + imgreg.sy - tile_Yrange.minvalue -1;
enqueue_precincts( xmin, xmax, ymin, ymax, tile_id, imgreg.level, query_param.lastcomp, query_param.comps, query_param.layers, msgqueue);
}
else
enqueue_tile( tile_id, imgreg.level, msgqueue);
}
}
}
}
}
/* MM: shouldnt xmin/xmax be Byte4_t instead ? */
void enqueue_precincts( int xmin, int xmax, int ymin, int ymax, int tile_id, int level, int lastcomp, 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;
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, tile_id, dec_lev);
YTsiz = get_tile_YSiz( codeidx->SIZ, 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 = u*YPsiz;
ymaxP = (u+1)*YPsiz-1;
if( YTsiz <= ymaxP)
ymaxP = YTsiz-1;
for( v=0; v<ceil((double)XTsiz/(double)XPsiz); v++, seq_id++){
xminP = v*XPsiz;
xmaxP = (v+1)*XPsiz-1;
if( XTsiz <= xmaxP)
xmaxP = XTsiz-1;
if( xmaxP < xmin || xminP > xmax || ymaxP < ymin || yminP > ymax){
/* Precinct completely excluded from view-window */
}
else if( xminP >= xmin && xmaxP <= xmax && yminP >= ymin && ymaxP <= 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, 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;
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, tile_id, dec_lev);
YTsiz = get_tile_YSiz( codeidx->SIZ, 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);
}
}
}
bool enqueue_metabins( query_param_t query_param, metadatalist_param_t *metadatalist, msgqueue_param_t *msgqueue)
{
int i;
for( i=0; query_param.box_type[i][0]!=0 && i<MAX_NUMOFBOX; 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 false;
}
else{
int idx = search_metadataidx( query_param.box_type[i], metadatalist);
if( idx != -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 false;
}
}
}
return true;
}
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