OpenJPEG 2.1.0

codestream_manager.h

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00001 /*
00002  * $Id: codestream_manager.h 2835 2014-04-03 15:30:57Z antonin $
00003  *
00004  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
00005  * Copyright (c) 2002-2014, Professor Benoit Macq
00006  * Copyright (c) 2010-2011, Kaori Hagihara
00007  * All rights reserved.
00008  *
00009  * Redistribution and use in source and binary forms, with or without
00010  * modification, are permitted provided that the following conditions
00011  * are met:
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer.
00014  * 2. Redistributions in binary form must reproduce the above copyright
00015  *    notice, this list of conditions and the following disclaimer in the
00016  *    documentation and/or other materials provided with the distribution.
00017  *
00018  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
00019  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00020  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00021  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00022  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00023  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00024  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00025  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00026  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00027  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00028  * POSSIBILITY OF SUCH DAMAGE.
00029  */
00030 
00031 #ifndef         CODESTREAM_MANAGER_H_
00032 # define        CODESTREAM_MANAGER_H_
00033 
00034 #include "byte_manager.h"
00035 
00037 typedef struct codestream_param{
00038   int fd;         
00039   OPJ_OFF_T offset; 
00040   Byte8_t length; 
00041 } codestream_param_t;
00042 
00043 
00052 codestream_param_t set_codestream( int fd, OPJ_OFF_T offset, OPJ_SIZE_T length);
00053 
00054 
00063 Byte_t * fetch_codestreambytes( codestream_param_t *cs, OPJ_OFF_T offset, OPJ_SIZE_T size);
00064 
00072 Byte_t fetch_codestream1byte( codestream_param_t *cs, OPJ_OFF_T offset);
00073 
00081 Byte2_t fetch_codestream2bytebigendian( codestream_param_t *cs, OPJ_OFF_T offset);
00082 
00090 Byte4_t fetch_codestream4bytebigendian( codestream_param_t *cs, OPJ_OFF_T offset);
00091 
00092 
00098 void print_codestream( codestream_param_t cs);
00099 
00100 
00101 #endif      /* !CODESTREAM_MANAGER_H_ */