105 lines
3.5 KiB
C
105 lines
3.5 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
|
|
* Copyright (c) 2002-2014, 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 CODESTREAM_MANAGER_H_
|
|
# define CODESTREAM_MANAGER_H_
|
|
|
|
#include "byte_manager.h"
|
|
|
|
/** codestream parameters*/
|
|
typedef struct codestream_param {
|
|
int fd; /**< file descriptor*/
|
|
OPJ_OFF_T offset; /**< byte position of DBox (Box Contents) in the file*/
|
|
Byte8_t length; /**< content length*/
|
|
} codestream_param_t;
|
|
|
|
|
|
/**
|
|
* set codestream parameters from inputs
|
|
*
|
|
* @param[in] fd file descriptor
|
|
* @param[in] offset offset in the file
|
|
* @param[in] length codestream length
|
|
* @return structure of generated codestream parameters
|
|
*/
|
|
codestream_param_t set_codestream(int fd, OPJ_OFF_T offset, OPJ_SIZE_T length);
|
|
|
|
|
|
/**
|
|
* fetch Codestream bytes of data in file stream
|
|
*
|
|
* @param[in] cs codestream pointer
|
|
* @param[in] offset start Byte position in codestream
|
|
* @param[in] size Byte length
|
|
* @return pointer to the fetched data
|
|
*/
|
|
Byte_t * fetch_codestreambytes(codestream_param_t *cs, OPJ_OFF_T offset,
|
|
OPJ_SIZE_T size);
|
|
|
|
/**
|
|
* fetch Codestream 1-byte Byte code in file stream
|
|
*
|
|
* @param[in] cs codestream pointer
|
|
* @param[in] offset start Byte position in codestream
|
|
* @return fetched code
|
|
*/
|
|
Byte_t fetch_codestream1byte(codestream_param_t *cs, OPJ_OFF_T offset);
|
|
|
|
/**
|
|
* fetch Codestream 2-byte big endian Byte codes in file stream
|
|
*
|
|
* @param[in] cs codestream pointer
|
|
* @param[in] offset start Byte position in codestream
|
|
* @return fetched code
|
|
*/
|
|
Byte2_t fetch_codestream2bytebigendian(codestream_param_t *cs,
|
|
OPJ_OFF_T offset);
|
|
|
|
/**
|
|
* fetch Codestream 4-byte big endian Byte codes in file stream
|
|
*
|
|
* @param[in] cs codestream pointer
|
|
* @param[in] offset start Byte position in codestream
|
|
* @return fetched code
|
|
*/
|
|
Byte4_t fetch_codestream4bytebigendian(codestream_param_t *cs,
|
|
OPJ_OFF_T offset);
|
|
|
|
|
|
/**
|
|
* print codestream parameters
|
|
*
|
|
* @param[in] cs codestream
|
|
*/
|
|
void print_codestream(codestream_param_t cs);
|
|
|
|
|
|
#endif /* !CODESTREAM_MANAGER_H_ */
|