81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
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/*
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* $Id: codestream_manager.c 44 2011-02-15 12:32:29Z kaori $
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*
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* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2011, 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 "codestream_manager.h"
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#ifdef SERVER
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#include "fcgi_stdio.h"
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#define logstream FCGI_stdout
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#else
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#define FCGI_stdout stdout
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#define FCGI_stderr stderr
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#define logstream stderr
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#endif //SERVER
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codestream_param_t set_codestream( int fd, Byte8_t offset, Byte8_t length)
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{
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codestream_param_t cs;
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cs.fd = fd;
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cs.offset = offset;
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cs.length = length;
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return cs;
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}
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Byte_t * fetch_codestreambytes( codestream_param_t *cs, long offset, int size)
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{
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return fetch_bytes( cs->fd, cs->offset+offset, size);
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}
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Byte_t fetch_codestream1byte( codestream_param_t *cs, long offset)
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{
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return fetch_1byte( cs->fd, cs->offset+offset);
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}
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Byte2_t fetch_codestream2bytebigendian( codestream_param_t *cs, long offset)
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{
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return fetch_2bytebigendian( cs->fd, cs->offset+offset);
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}
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Byte4_t fetch_codestream4bytebigendian( codestream_param_t *cs, long offset)
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{
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return fetch_4bytebigendian( cs->fd, cs->offset+offset);
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}
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void print_codestream( codestream_param_t cs)
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{
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fprintf( logstream, "codestream info:\n"
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"\t fd: %d\n"
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"\t offset: %#llx\n"
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"\t length: %#llx\n", cs.fd, cs.offset, cs.length);
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}
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