82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/*
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* $Id$
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*
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* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2014, Professor Benoit Macq
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* Copyright (c) 2010-2011, Kaori Hagihara
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "ihdrbox_manager.h"
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ihdrbox_param_t * gene_ihdrbox(metadatalist_param_t *metadatalist,
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Byte_t *jpipstream)
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{
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ihdrbox_param_t *ihdrbox;
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metadata_param_t *meta;
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box_param_t *jp2h, *ihdr;
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int bpc_val;
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jp2h = NULL;
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meta = metadatalist->first;
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while (meta) {
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if (meta->boxlist) {
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jp2h = search_box("jp2h", meta->boxlist);
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if (jp2h) {
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break;
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}
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}
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meta = meta->next;
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}
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if (!jp2h) {
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fprintf(stderr, "jp2h box not found\n");
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return NULL;
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}
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ihdr = gene_boxbyTypeinStream(jpipstream, get_DBoxoff(jp2h), get_DBoxlen(jp2h),
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"ihdr");
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if (!ihdr) {
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fprintf(stderr, "ihdr box not found\n");
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return NULL;
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}
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ihdrbox = (ihdrbox_param_t *)malloc(sizeof(ihdrbox_param_t));
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ihdrbox->height = big4(jpipstream + get_DBoxoff(ihdr));
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ihdrbox->width = big4(jpipstream + get_DBoxoff(ihdr) + 4);
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ihdrbox->nc = big2(jpipstream + get_DBoxoff(ihdr) + 8);
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bpc_val = *(jpipstream + get_DBoxoff(ihdr) + 10) + 1;
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assert(bpc_val >= 0 && bpc_val <= 255);
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ihdrbox->bpc = (Byte_t)bpc_val;
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free(ihdr);
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return ihdrbox;
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}
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