Asterisk - The Open Source Telephony Project
21.4.1
Main Page
Related Pages
Modules
Namespaces
Data Structures
Files
Examples
File List
Globals
codecs
ilbc
packing.h
1
2
/******************************************************************
3
4
iLBC Speech Coder ANSI-C Source Code
5
6
packing.h
7
8
Copyright (C) The Internet Society (2004).
9
All Rights Reserved.
10
11
******************************************************************/
12
13
#ifndef __PACKING_H
14
#define __PACKING_H
15
16
void
packsplit(
17
int
*index,
/* (i) the value to split */
18
int
*firstpart,
/* (o) the value specified by most
19
significant bits */
20
int
*rest,
/* (o) the value specified by least
21
significant bits */
22
int
bitno_firstpart,
/* (i) number of bits in most
23
significant part */
24
int
bitno_total
/* (i) number of bits in full range
25
of value */
26
);
27
28
void
packcombine(
29
int
*index,
/* (i/o) the msb value in the
30
combined value out */
31
int
rest,
/* (i) the lsb value */
32
int
bitno_rest
/* (i) the number of bits in the
33
lsb part */
34
);
35
36
void
dopack(
37
unsigned
char
**bitstream,
/* (i/o) on entrance pointer to
38
place in bitstream to pack
39
new data, on exit pointer
40
to place in bitstream to
41
pack future data */
42
int
index,
/* (i) the value to pack */
43
int
bitno,
/* (i) the number of bits that the
44
value will fit within */
45
int
*pos
/* (i/o) write position in the
46
current byte */
47
);
48
49
50
51
52
53
void
unpack(
54
unsigned
char
**bitstream,
/* (i/o) on entrance pointer to
55
place in bitstream to
56
unpack new data from, on
57
exit pointer to place in
58
bitstream to unpack future
59
data from */
60
int
*index,
/* (o) resulting value */
61
int
bitno,
/* (i) number of bits used to
62
represent the value */
63
int
*pos
/* (i/o) read position in the
64
current byte */
65
);
66
67
#endif
Generated on Tue Jul 15 2025 11:50:42 for Asterisk - The Open Source Telephony Project by
1.8.10