openjpeg/applications/jpip/libopenjpip/marker_manager.h

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