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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
* 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 <stdlib.h>
#include <assert.h>
#include "ihdrbox_manager.h"
ihdrbox_param_t * gene_ihdrbox(metadatalist_param_t *metadatalist,
Byte_t *jpipstream)
{
ihdrbox_param_t *ihdrbox;
metadata_param_t *meta;
box_param_t *jp2h, *ihdr;
int bpc_val;
jp2h = NULL;
meta = metadatalist->first;
while (meta) {
if (meta->boxlist) {
jp2h = search_box("jp2h", meta->boxlist);
if (jp2h) {
break;
}
}
meta = meta->next;
}
if (!jp2h) {
fprintf(stderr, "jp2h box not found\n");
return NULL;
}
ihdr = gene_boxbyTypeinStream(jpipstream, get_DBoxoff(jp2h), get_DBoxlen(jp2h),
"ihdr");
if (!ihdr) {
fprintf(stderr, "ihdr box not found\n");
return NULL;
}
ihdrbox = (ihdrbox_param_t *)malloc(sizeof(ihdrbox_param_t));
ihdrbox->height = big4(jpipstream + get_DBoxoff(ihdr));
ihdrbox->width = big4(jpipstream + get_DBoxoff(ihdr) + 4);
ihdrbox->nc = big2(jpipstream + get_DBoxoff(ihdr) + 8);
bpc_val = *(jpipstream + get_DBoxoff(ihdr) + 10) + 1;
assert(bpc_val >= 0 && bpc_val <= 255);
ihdrbox->bpc = (Byte_t)bpc_val;
free(ihdr);
return ihdrbox;
}
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