OpenJPEG  2.5.0
codestream_manager.h
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1 /*
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4  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
5  * Copyright (c) 2002-2014, Professor Benoit Macq
6  * Copyright (c) 2010-2011, Kaori Hagihara
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30 
31 #ifndef CODESTREAM_MANAGER_H_
32 # define CODESTREAM_MANAGER_H_
33 
34 #include "byte_manager.h"
35 
37 typedef struct codestream_param {
38  int fd;
39  OPJ_OFF_T offset;
40  Byte8_t length;
41 } codestream_param_t;
42 
43 
52 codestream_param_t set_codestream(int fd, OPJ_OFF_T offset, OPJ_SIZE_T length);
53 
54 
63 Byte_t * fetch_codestreambytes(codestream_param_t *cs, OPJ_OFF_T offset,
64  OPJ_SIZE_T size);
65 
73 Byte_t fetch_codestream1byte(codestream_param_t *cs, OPJ_OFF_T offset);
74 
82 Byte2_t fetch_codestream2bytebigendian(codestream_param_t *cs,
83  OPJ_OFF_T offset);
84 
92 Byte4_t fetch_codestream4bytebigendian(codestream_param_t *cs,
93  OPJ_OFF_T offset);
94 
95 
101 void print_codestream(codestream_param_t cs);
102 
103 
104 #endif /* !CODESTREAM_MANAGER_H_ */
fetch_codestreambytes
Byte_t * fetch_codestreambytes(codestream_param_t *cs, OPJ_OFF_T offset, OPJ_SIZE_T size)
fetch Codestream bytes of data in file stream
Definition: codestream_manager.c:55
fetch_codestream2bytebigendian
Byte2_t fetch_codestream2bytebigendian(codestream_param_t *cs, OPJ_OFF_T offset)
fetch Codestream 2-byte big endian Byte codes in file stream
Definition: codestream_manager.c:66
print_codestream
void print_codestream(codestream_param_t cs)
print codestream parameters
Definition: codestream_manager.c:76
fetch_codestream4bytebigendian
Byte4_t fetch_codestream4bytebigendian(codestream_param_t *cs, OPJ_OFF_T offset)
fetch Codestream 4-byte big endian Byte codes in file stream
Definition: codestream_manager.c:71
Byte_t
uint8_t Byte_t
Definition: byte_manager.h:37
logstream
#define logstream
Definition: codestream_manager.c:41
OPJ_OFF_T
int64_t OPJ_OFF_T
Definition: openjpeg.h:136
fetch_codestream4bytebigendian
Byte4_t fetch_codestream4bytebigendian(codestream_param_t *cs, OPJ_OFF_T offset)
fetch Codestream 4-byte big endian Byte codes in file stream
Definition: codestream_manager.c:71
set_codestream
codestream_param_t set_codestream(int fd, OPJ_OFF_T offset, OPJ_SIZE_T length)
set codestream parameters from inputs
Definition: codestream_manager.c:44
OPJ_SIZE_T
size_t OPJ_SIZE_T
Definition: openjpeg.h:139
codestream_param
codestream parameters
Definition: codestream_manager.h:37
fetch_4bytebigendian
Byte4_t fetch_4bytebigendian(int fd, OPJ_OFF_T offset)
fetch a 4-byte big endian Byte codes in file stream
Definition: byte_manager.c:109
fetch_codestream2bytebigendian
Byte2_t fetch_codestream2bytebigendian(codestream_param_t *cs, OPJ_OFF_T offset)
fetch Codestream 2-byte big endian Byte codes in file stream
Definition: codestream_manager.c:66
codestream_manager.h
fetch_codestream1byte
Byte_t fetch_codestream1byte(codestream_param_t *cs, OPJ_OFF_T offset)
fetch Codestream 1-byte Byte code in file stream
Definition: codestream_manager.c:61
fetch_bytes
Byte_t * fetch_bytes(int fd, OPJ_OFF_T offset, OPJ_SIZE_T size)
fetch bytes of data in file stream
Definition: byte_manager.c:52
fetch_2bytebigendian
Byte2_t fetch_2bytebigendian(int fd, OPJ_OFF_T offset)
fetch a 2-byte big endian Byte codes in file stream
Definition: byte_manager.c:93
Byte4_t
uint32_t Byte4_t
Definition: byte_manager.h:39
codestream_param::fd
int fd
file descriptor
Definition: codestream_manager.h:38
fetch_1byte
Byte_t fetch_1byte(int fd, OPJ_OFF_T offset)
fetch a 1-byte Byte codes in file stream
Definition: byte_manager.c:75
codestream_param::length
Byte8_t length
content length
Definition: codestream_manager.h:40
codestream_param::offset
OPJ_OFF_T offset
byte position of DBox (Box Contents) in the file
Definition: codestream_manager.h:39
fetch_codestream1byte
Byte_t fetch_codestream1byte(codestream_param_t *cs, OPJ_OFF_T offset)
fetch Codestream 1-byte Byte code in file stream
Definition: codestream_manager.c:61
byte_manager.h
Byte2_t
uint16_t Byte2_t
Definition: byte_manager.h:38
opj_inttypes.h
print_codestream
void print_codestream(codestream_param_t cs)
print codestream parameters
Definition: codestream_manager.c:76
Byte8_t
uint64_t Byte8_t
Definition: byte_manager.h:40
codestream_param_t
struct codestream_param codestream_param_t
codestream parameters
fetch_codestreambytes
Byte_t * fetch_codestreambytes(codestream_param_t *cs, OPJ_OFF_T offset, OPJ_SIZE_T size)
fetch Codestream bytes of data in file stream
Definition: codestream_manager.c:55
set_codestream
codestream_param_t set_codestream(int fd, OPJ_OFF_T offset, OPJ_SIZE_T length)
set codestream parameters from inputs
Definition: codestream_manager.c:44
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