openjpeg/applications/jpip/libopenjpip/boxheader_manager.c

84 lines
2.8 KiB
C

/*
* $Id: boxheader_manager.c 44 2011-02-15 12:32:29Z kaori $
*
* 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
* 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 <string.h>
#include <stdlib.h>
#include "boxheader_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
boxheader_param_t * gene_boxheader( int fd, Byte8_t offset)
{
Byte8_t boxlen;
Byte_t headlen;
char *boxtype;
boxheader_param_t *boxheader;
boxlen = fetch_4bytebigendian( fd, offset);
boxtype = (char *)fetch_bytes( fd, offset+4, 4);
headlen = 8;
if( boxlen == 1){ // read XLBox
boxlen = fetch_8bytebigendian( fd, offset+8);
headlen = 16;
}
boxheader = (boxheader_param_t *)malloc( sizeof( boxheader_param_t));
boxheader->headlen = headlen;
boxheader->length = boxlen;
strncpy( boxheader->type, boxtype, 4);
boxheader->next = NULL;
free( boxtype);
return boxheader;
}
boxheader_param_t * gene_childboxheader( box_param_t *superbox, Byte8_t offset)
{
return gene_boxheader( superbox->fd, get_DBoxoff( superbox)+offset);
}
void print_boxheader( boxheader_param_t *boxheader)
{
fprintf( logstream, "boxheader info:\n"
"\t type: %.4s\n"
"\t length:%lld %#llx\n", boxheader->type, boxheader->length, boxheader->length);
}