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Diffstat (limited to 'lib/rbcodec/codecs/libopus/celt/mips/pitch_mipsr1.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/celt/mips/pitch_mipsr1.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/celt/mips/pitch_mipsr1.h b/lib/rbcodec/codecs/libopus/celt/mips/pitch_mipsr1.h new file mode 100644 index 0000000000..a9500aff58 --- /dev/null +++ b/lib/rbcodec/codecs/libopus/celt/mips/pitch_mipsr1.h | |||
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1 | /* Copyright (c) 2007-2008 CSIRO | ||
2 | Copyright (c) 2007-2009 Xiph.Org Foundation | ||
3 | Written by Jean-Marc Valin */ | ||
4 | /** | ||
5 | @file pitch.h | ||
6 | @brief Pitch analysis | ||
7 | */ | ||
8 | |||
9 | /* | ||
10 | Redistribution and use in source and binary forms, with or without | ||
11 | modification, are permitted provided that the following conditions | ||
12 | are met: | ||
13 | |||
14 | - Redistributions of source code must retain the above copyright | ||
15 | notice, this list of conditions and the following disclaimer. | ||
16 | |||
17 | - Redistributions in binary form must reproduce the above copyright | ||
18 | notice, this list of conditions and the following disclaimer in the | ||
19 | documentation and/or other materials provided with the distribution. | ||
20 | |||
21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
22 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
23 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
24 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | ||
25 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
26 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
27 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
28 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
29 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
30 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
31 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
32 | */ | ||
33 | |||
34 | #ifndef PITCH_MIPSR1_H | ||
35 | #define PITCH_MIPSR1_H | ||
36 | |||
37 | #define OVERRIDE_DUAL_INNER_PROD | ||
38 | static inline void dual_inner_prod(const opus_val16 *x, const opus_val16 *y01, const opus_val16 *y02, | ||
39 | int N, opus_val32 *xy1, opus_val32 *xy2, int arch) | ||
40 | { | ||
41 | int j; | ||
42 | opus_val32 xy01=0; | ||
43 | opus_val32 xy02=0; | ||
44 | |||
45 | (void)arch; | ||
46 | |||
47 | asm volatile("MULT $ac1, $0, $0"); | ||
48 | asm volatile("MULT $ac2, $0, $0"); | ||
49 | /* Compute the norm of X+Y and X-Y as |X|^2 + |Y|^2 +/- sum(xy) */ | ||
50 | for (j=0;j<N;j++) | ||
51 | { | ||
52 | asm volatile("MADD $ac1, %0, %1" : : "r" ((int)x[j]), "r" ((int)y01[j])); | ||
53 | asm volatile("MADD $ac2, %0, %1" : : "r" ((int)x[j]), "r" ((int)y02[j])); | ||
54 | ++j; | ||
55 | asm volatile("MADD $ac1, %0, %1" : : "r" ((int)x[j]), "r" ((int)y01[j])); | ||
56 | asm volatile("MADD $ac2, %0, %1" : : "r" ((int)x[j]), "r" ((int)y02[j])); | ||
57 | } | ||
58 | asm volatile ("mflo %0, $ac1": "=r"(xy01)); | ||
59 | asm volatile ("mflo %0, $ac2": "=r"(xy02)); | ||
60 | *xy1 = xy01; | ||
61 | *xy2 = xy02; | ||
62 | } | ||
63 | |||
64 | static inline void xcorr_kernel_mips(const opus_val16 * x, | ||
65 | const opus_val16 * y, opus_val32 sum[4], int len) | ||
66 | { | ||
67 | int j; | ||
68 | opus_val16 y_0, y_1, y_2, y_3; | ||
69 | |||
70 | opus_int64 sum_0, sum_1, sum_2, sum_3; | ||
71 | sum_0 = (opus_int64)sum[0]; | ||
72 | sum_1 = (opus_int64)sum[1]; | ||
73 | sum_2 = (opus_int64)sum[2]; | ||
74 | sum_3 = (opus_int64)sum[3]; | ||
75 | |||
76 | y_3=0; /* gcc doesn't realize that y_3 can't be used uninitialized */ | ||
77 | y_0=*y++; | ||
78 | y_1=*y++; | ||
79 | y_2=*y++; | ||
80 | for (j=0;j<len-3;j+=4) | ||
81 | { | ||
82 | opus_val16 tmp; | ||
83 | tmp = *x++; | ||
84 | y_3=*y++; | ||
85 | |||
86 | sum_0 = __builtin_mips_madd( sum_0, tmp, y_0); | ||
87 | sum_1 = __builtin_mips_madd( sum_1, tmp, y_1); | ||
88 | sum_2 = __builtin_mips_madd( sum_2, tmp, y_2); | ||
89 | sum_3 = __builtin_mips_madd( sum_3, tmp, y_3); | ||
90 | |||
91 | tmp=*x++; | ||
92 | y_0=*y++; | ||
93 | |||
94 | sum_0 = __builtin_mips_madd( sum_0, tmp, y_1 ); | ||
95 | sum_1 = __builtin_mips_madd( sum_1, tmp, y_2 ); | ||
96 | sum_2 = __builtin_mips_madd( sum_2, tmp, y_3); | ||
97 | sum_3 = __builtin_mips_madd( sum_3, tmp, y_0); | ||
98 | |||
99 | tmp=*x++; | ||
100 | y_1=*y++; | ||
101 | |||
102 | sum_0 = __builtin_mips_madd( sum_0, tmp, y_2 ); | ||
103 | sum_1 = __builtin_mips_madd( sum_1, tmp, y_3 ); | ||
104 | sum_2 = __builtin_mips_madd( sum_2, tmp, y_0); | ||
105 | sum_3 = __builtin_mips_madd( sum_3, tmp, y_1); | ||
106 | |||
107 | |||
108 | tmp=*x++; | ||
109 | y_2=*y++; | ||
110 | |||
111 | sum_0 = __builtin_mips_madd( sum_0, tmp, y_3 ); | ||
112 | sum_1 = __builtin_mips_madd( sum_1, tmp, y_0 ); | ||
113 | sum_2 = __builtin_mips_madd( sum_2, tmp, y_1); | ||
114 | sum_3 = __builtin_mips_madd( sum_3, tmp, y_2); | ||
115 | |||
116 | } | ||
117 | if (j++<len) | ||
118 | { | ||
119 | opus_val16 tmp = *x++; | ||
120 | y_3=*y++; | ||
121 | |||
122 | sum_0 = __builtin_mips_madd( sum_0, tmp, y_0 ); | ||
123 | sum_1 = __builtin_mips_madd( sum_1, tmp, y_1 ); | ||
124 | sum_2 = __builtin_mips_madd( sum_2, tmp, y_2); | ||
125 | sum_3 = __builtin_mips_madd( sum_3, tmp, y_3); | ||
126 | } | ||
127 | |||
128 | if (j++<len) | ||
129 | { | ||
130 | opus_val16 tmp=*x++; | ||
131 | y_0=*y++; | ||
132 | |||
133 | sum_0 = __builtin_mips_madd( sum_0, tmp, y_1 ); | ||
134 | sum_1 = __builtin_mips_madd( sum_1, tmp, y_2 ); | ||
135 | sum_2 = __builtin_mips_madd( sum_2, tmp, y_3); | ||
136 | sum_3 = __builtin_mips_madd( sum_3, tmp, y_0); | ||
137 | } | ||
138 | |||
139 | if (j<len) | ||
140 | { | ||
141 | opus_val16 tmp=*x++; | ||
142 | y_1=*y++; | ||
143 | |||
144 | sum_0 = __builtin_mips_madd( sum_0, tmp, y_2 ); | ||
145 | sum_1 = __builtin_mips_madd( sum_1, tmp, y_3 ); | ||
146 | sum_2 = __builtin_mips_madd( sum_2, tmp, y_0); | ||
147 | sum_3 = __builtin_mips_madd( sum_3, tmp, y_1); | ||
148 | |||
149 | } | ||
150 | |||
151 | sum[0] = (opus_val32)sum_0; | ||
152 | sum[1] = (opus_val32)sum_1; | ||
153 | sum[2] = (opus_val32)sum_2; | ||
154 | sum[3] = (opus_val32)sum_3; | ||
155 | } | ||
156 | |||
157 | #define OVERRIDE_XCORR_KERNEL | ||
158 | #define xcorr_kernel(x, y, sum, len, arch) \ | ||
159 | ((void)(arch), xcorr_kernel_mips(x, y, sum, len)) | ||
160 | |||
161 | #endif /* PITCH_MIPSR1_H */ | ||