88 lines
3.2 KiB
C
88 lines
3.2 KiB
C
/*
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* $Id: marker_manager.h 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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#ifndef MARKER_MANAGER_H_
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# define MARKER_MANAGER_H_
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#include "codestream_manager.h"
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//! Marker parameters
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typedef struct marker_param{
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codestream_param_t cs; //!< corresponding codestream
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Byte2_t code; //!< marker code
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Byte8_t offset; //!< offset relative to the start of the codestream ( including the length parameter but not the marker itself)
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Byte2_t length; //!< marker segment length
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} marker_param_t;
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/**
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* set marker parameters from inputs
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*
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* @param[in] cs marker code
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* @param[in] code marker code
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* @param[in] offset offset in the codestream
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* @param[in] length marker segment length
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* @return structure of generated marker parameters
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*/
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marker_param_t set_marker( codestream_param_t cs, Byte2_t code, Byte8_t offset, Byte2_t length);
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/**
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* fetch marker content 1-bytes of data in file stream
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*
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* @param[in] marker marker structure
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* @param[in] offset start Byte position in marker
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* @param[in] size Byte length
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* @return fetched code
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*/
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Byte_t fetch_marker1byte( marker_param_t marker, long offset);
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/**
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* fetch marker content 2-byte big endian Byte codes in file stream
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*
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* @param[in] marker marker structure
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* @param[in] offset start Byte position in marker
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* @return fetched code
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*/
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Byte2_t fetch_marker2bytebigendian( marker_param_t marker, long offset);
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/**
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* fetch marker content 4-byte big endian Byte codes in file stream
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*
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* @param[in] marker marker structure
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* @param[in] offset start Byte position in marker
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* @return fetched code
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*/
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Byte4_t fetch_marker4bytebigendian( marker_param_t marker, long offset);
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#endif /* !MARKER_MANAGER_H_ */
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