FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/mac_32.c @ 486:f35c8fd9ceba
CHANGES: document gsmrec-dump improvements
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 20 May 2024 02:07:30 +0000 |
parents | 61047a2912a2 |
children |
rev | line source |
---|---|
374
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 ******************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 * R99 Version 3.3.0 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 * REL-4 Version 4.1.0 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 ******************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 * File : mac_32.c |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 * Purpose : 32 x 32 and 32 x 16 bit DPF multiy & accumulate |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 * (similar as Mpy_32 and Mpy_32_16 in oper_32b.c) |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 ******************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 */ |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 /* |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 ******************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 * MODULE INCLUDE FILE AND VERSION ID |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 ******************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 */ |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 #include "namespace.h" |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 #include "mac_32.h" |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 /* |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 ******************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 * INCLUDE FILES |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 ******************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 */ |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
30 #include "typedef.h" |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 #include "basic_op.h" |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 #include "oper_32b.h" |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 #include "no_count.h" |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 /* |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 ******************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 * PUBLIC PROGRAM CODE |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
38 ******************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
39 */ |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
40 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
41 /***************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
42 * Function Mac_32() * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
43 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
44 * Multiply two 32 bit integers (DPF) and accumulate with (normal) 32 bit * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
45 * integer. The multiplication result is divided by 2**31 * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
46 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
47 * L_32 = L_32 + (hi1*hi2)<<1 + ( (hi1*lo2)>>15 + (lo1*hi2)>>15 )<<1 * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
48 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
49 * This operation can also be viewed as the multiplication of two Q31 * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
50 * number and the result is also in Q31. * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
51 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
52 * Arguments: * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
53 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
54 * hi1 hi part of first number * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
55 * lo1 lo part of first number * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
56 * hi2 hi part of second number * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
57 * lo2 lo part of second number * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
58 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
59 ***************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
60 */ |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
61 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
62 Word32 Mac_32 (Word32 L_32, Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2) |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
63 { |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
64 L_32 = L_mac (L_32, hi1, hi2); |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
65 L_32 = L_mac (L_32, mult (hi1, lo2), 1); |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
66 L_32 = L_mac (L_32, mult (lo1, hi2), 1); |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
67 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
68 return (L_32); |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
69 } |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
70 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
71 /***************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
72 * Function Mac_32_16() * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
73 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
74 * Multiply a 16 bit integer by a 32 bit (DPF) and accumulate with (normal)* |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
75 * 32 bit integer. The multiplication result is divided by 2**15 * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
76 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
77 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
78 * L_32 = L_32 + (hi1*lo2)<<1 + ((lo1*lo2)>>15)<<1 * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
79 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
80 * Arguments: * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
81 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
82 * hi hi part of 32 bit number. * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
83 * lo lo part of 32 bit number. * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
84 * n 16 bit number. * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
85 * * |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
86 ***************************************************************************** |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
87 */ |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
88 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
89 Word32 Mac_32_16 (Word32 L_32, Word16 hi, Word16 lo, Word16 n) |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
90 { |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
91 L_32 = L_mac (L_32, hi, n); |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
92 L_32 = L_mac (L_32, mult (lo, n), 1); |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
93 |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
94 return (L_32); |
61047a2912a2
libtwamr: integrate mac_32.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
95 } |