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Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/macros.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/silk/macros.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/macros.h b/lib/rbcodec/codecs/libopus/silk/macros.h new file mode 100644 index 0000000000..d84cd73522 --- /dev/null +++ b/lib/rbcodec/codecs/libopus/silk/macros.h | |||
@@ -0,0 +1,135 @@ | |||
1 | /*********************************************************************** | ||
2 | Copyright (c) 2006-2011, Skype Limited. All rights reserved. | ||
3 | Redistribution and use in source and binary forms, with or without | ||
4 | modification, are permitted provided that the following conditions | ||
5 | are met: | ||
6 | - Redistributions of source code must retain the above copyright notice, | ||
7 | this list of conditions and the following disclaimer. | ||
8 | - Redistributions in binary form must reproduce the above copyright | ||
9 | notice, this list of conditions and the following disclaimer in the | ||
10 | documentation and/or other materials provided with the distribution. | ||
11 | - Neither the name of Internet Society, IETF or IETF Trust, nor the | ||
12 | names of specific contributors, may be used to endorse or promote | ||
13 | products derived from this software without specific prior written | ||
14 | permission. | ||
15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” | ||
16 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
17 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
18 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
19 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
20 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
21 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
22 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
23 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
24 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
25 | POSSIBILITY OF SUCH DAMAGE. | ||
26 | ***********************************************************************/ | ||
27 | |||
28 | #ifndef SILK_MACROS_H | ||
29 | #define SILK_MACROS_H | ||
30 | |||
31 | #ifdef HAVE_CONFIG_H | ||
32 | #include "opus_config.h" | ||
33 | #endif | ||
34 | |||
35 | /* This is an inline header file for general platform. */ | ||
36 | |||
37 | /* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */ | ||
38 | #define silk_SMULWB(a32, b32) ((((a32) >> 16) * (opus_int32)((opus_int16)(b32))) + ((((a32) & 0x0000FFFF) * (opus_int32)((opus_int16)(b32))) >> 16)) | ||
39 | |||
40 | /* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */ | ||
41 | #define silk_SMLAWB(a32, b32, c32) ((a32) + ((((b32) >> 16) * (opus_int32)((opus_int16)(c32))) + ((((b32) & 0x0000FFFF) * (opus_int32)((opus_int16)(c32))) >> 16))) | ||
42 | |||
43 | /* (a32 * (b32 >> 16)) >> 16 */ | ||
44 | #define silk_SMULWT(a32, b32) (((a32) >> 16) * ((b32) >> 16) + ((((a32) & 0x0000FFFF) * ((b32) >> 16)) >> 16)) | ||
45 | |||
46 | /* a32 + (b32 * (c32 >> 16)) >> 16 */ | ||
47 | #define silk_SMLAWT(a32, b32, c32) ((a32) + (((b32) >> 16) * ((c32) >> 16)) + ((((b32) & 0x0000FFFF) * ((c32) >> 16)) >> 16)) | ||
48 | |||
49 | /* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */ | ||
50 | #define silk_SMULBB(a32, b32) ((opus_int32)((opus_int16)(a32)) * (opus_int32)((opus_int16)(b32))) | ||
51 | |||
52 | /* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */ | ||
53 | #define silk_SMLABB(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32))) | ||
54 | |||
55 | /* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */ | ||
56 | #define silk_SMULBT(a32, b32) ((opus_int32)((opus_int16)(a32)) * ((b32) >> 16)) | ||
57 | |||
58 | /* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */ | ||
59 | #define silk_SMLABT(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * ((c32) >> 16)) | ||
60 | |||
61 | /* a64 + (b32 * c32) */ | ||
62 | #define silk_SMLAL(a64, b32, c32) (silk_ADD64((a64), ((opus_int64)(b32) * (opus_int64)(c32)))) | ||
63 | |||
64 | /* (a32 * b32) >> 16 */ | ||
65 | #define silk_SMULWW(a32, b32) silk_MLA(silk_SMULWB((a32), (b32)), (a32), silk_RSHIFT_ROUND((b32), 16)) | ||
66 | |||
67 | /* a32 + ((b32 * c32) >> 16) */ | ||
68 | #define silk_SMLAWW(a32, b32, c32) silk_MLA(silk_SMLAWB((a32), (b32), (c32)), (b32), silk_RSHIFT_ROUND((c32), 16)) | ||
69 | |||
70 | /* add/subtract with output saturated */ | ||
71 | #define silk_ADD_SAT32(a, b) ((((opus_uint32)(a) + (opus_uint32)(b)) & 0x80000000) == 0 ? \ | ||
72 | ((((a) & (b)) & 0x80000000) != 0 ? silk_int32_MIN : (a)+(b)) : \ | ||
73 | ((((a) | (b)) & 0x80000000) == 0 ? silk_int32_MAX : (a)+(b)) ) | ||
74 | |||
75 | #define silk_SUB_SAT32(a, b) ((((opus_uint32)(a)-(opus_uint32)(b)) & 0x80000000) == 0 ? \ | ||
76 | (( (a) & ((b)^0x80000000) & 0x80000000) ? silk_int32_MIN : (a)-(b)) : \ | ||
77 | ((((a)^0x80000000) & (b) & 0x80000000) ? silk_int32_MAX : (a)-(b)) ) | ||
78 | |||
79 | static inline opus_int32 silk_CLZ16(opus_int16 in16) | ||
80 | { | ||
81 | opus_int32 out32 = 0; | ||
82 | if( in16 == 0 ) { | ||
83 | return 16; | ||
84 | } | ||
85 | /* test nibbles */ | ||
86 | if( in16 & 0xFF00 ) { | ||
87 | if( in16 & 0xF000 ) { | ||
88 | in16 >>= 12; | ||
89 | } else { | ||
90 | out32 += 4; | ||
91 | in16 >>= 8; | ||
92 | } | ||
93 | } else { | ||
94 | if( in16 & 0xFFF0 ) { | ||
95 | out32 += 8; | ||
96 | in16 >>= 4; | ||
97 | } else { | ||
98 | out32 += 12; | ||
99 | } | ||
100 | } | ||
101 | /* test bits and return */ | ||
102 | if( in16 & 0xC ) { | ||
103 | if( in16 & 0x8 ) | ||
104 | return out32 + 0; | ||
105 | else | ||
106 | return out32 + 1; | ||
107 | } else { | ||
108 | if( in16 & 0xE ) | ||
109 | return out32 + 2; | ||
110 | else | ||
111 | return out32 + 3; | ||
112 | } | ||
113 | } | ||
114 | |||
115 | static inline opus_int32 silk_CLZ32(opus_int32 in32) | ||
116 | { | ||
117 | /* test highest 16 bits and convert to opus_int16 */ | ||
118 | if( in32 & 0xFFFF0000 ) { | ||
119 | return silk_CLZ16((opus_int16)(in32 >> 16)); | ||
120 | } else { | ||
121 | return silk_CLZ16((opus_int16)in32) + 16; | ||
122 | } | ||
123 | } | ||
124 | |||
125 | /* Row based */ | ||
126 | #define matrix_ptr(Matrix_base_adr, row, column, N) *(Matrix_base_adr + ((row)*(N)+(column))) | ||
127 | #define matrix_adr(Matrix_base_adr, row, column, N) (Matrix_base_adr + ((row)*(N)+(column))) | ||
128 | |||
129 | /* Column based */ | ||
130 | #ifndef matrix_c_ptr | ||
131 | # define matrix_c_ptr(Matrix_base_adr, row, column, M) *(Matrix_base_adr + ((row)+(M)*(column))) | ||
132 | #endif | ||
133 | |||
134 | #endif /* SILK_MACROS_H */ | ||
135 | |||