initial commit of OpenJPIP 1.0, a JPIP client-server architecture based on OpenJPEG (see README file in jpip directory for more details)
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102
applications/jpip/libopenjpip/codestream_manager.h
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102
applications/jpip/libopenjpip/codestream_manager.h
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/*
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* $Id: codestream_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 CODESTREAM_MANAGER_H_
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# define CODESTREAM_MANAGER_H_
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#include <stdio.h>
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#include "byte_manager.h"
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//! codestream parameters
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typedef struct codestream_param{
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int fd; //!< file descriptor
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Byte8_t offset; //!< byte position of DBox (Box Contents) in the file
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Byte8_t length; //!< content length
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} codestream_param_t;
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/**
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* set codestream parameters from inputs
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*
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* @param[in] fd file descriptor
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* @param[in] offset offset in the file
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* @param[in] length codestream length
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* @return structure of generated codestream parameters
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*/
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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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* fetch Codestream bytes of data in file stream
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*
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* @param[in] cs codestream pointer
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* @param[in] offset start Byte position in codestream
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* @param[in] size Byte length
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* @return pointer to the fetched data
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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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* fetch Codestream 1-byte Byte code in file stream
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*
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* @param[in] cs codestream pointer
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* @param[in] offset start Byte position in codestream
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* @return fetched code
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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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* fetch Codestream 2-byte big endian Byte codes in file stream
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*
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* @param[in] cs codestream pointer
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* @param[in] offset start Byte position in codestream
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* @return fetched code
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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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* fetch Codestream 4-byte big endian Byte codes in file stream
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*
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* @param[in] cs codestream pointer
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* @param[in] offset start Byte position in codestream
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* @return fetched code
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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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* print codestream parameters
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*
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* @param[in] cs codestream
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*/
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void print_codestream( codestream_param_t cs);
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#endif /* !CODESTREAM_MANAGER_H_ */
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