4 * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
5 * Copyright (c) 2002-2011, Professor Benoit Macq
6 * Copyright (c) 2010-2011, Kaori Hagihara
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10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
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19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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31 #ifndef MARKER_MANAGER_H_
32 # define MARKER_MANAGER_H_
34 #include "codestream_manager.h"
37 /** Marker parameters*/
38 typedef struct marker_param{
39 codestream_param_t cs; /**< corresponding codestream*/
40 Byte2_t code; /**< marker code*/
41 OPJ_OFF_T offset; /**< offset relative to the start of the codestream ( including the length parameter but not the marker itself)*/
42 Byte2_t length; /**< marker segment length*/
47 * set marker parameters from inputs
49 * @param[in] cs marker code
50 * @param[in] code marker code
51 * @param[in] offset offset in the codestream
52 * @param[in] length marker segment length
53 * @return structure of generated marker parameters
55 marker_param_t set_marker( codestream_param_t cs, Byte2_t code, OPJ_OFF_T offset, Byte2_t length);
59 * fetch marker content 1-bytes of data in file stream
61 * @param[in] marker marker structure
62 * @param[in] offset start Byte position in marker
63 * @return fetched code
65 Byte_t fetch_marker1byte( marker_param_t marker, OPJ_OFF_T offset);
68 * fetch marker content 2-byte big endian Byte codes in file stream
70 * @param[in] marker marker structure
71 * @param[in] offset start Byte position in marker
72 * @return fetched code
74 Byte2_t fetch_marker2bytebigendian( marker_param_t marker, OPJ_OFF_T offset);
77 * fetch marker content 4-byte big endian Byte codes in file stream
79 * @param[in] marker marker structure
80 * @param[in] offset start Byte position in marker
81 * @return fetched code
83 Byte4_t fetch_marker4bytebigendian( marker_param_t marker, OPJ_OFF_T offset);
86 #endif /* !MARKER_MANAGER_H_ */