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Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/table_LSF_cos.c')
-rw-r--r-- | lib/rbcodec/codecs/libopus/silk/table_LSF_cos.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/table_LSF_cos.c b/lib/rbcodec/codecs/libopus/silk/table_LSF_cos.c new file mode 100644 index 0000000000..b58e3f4728 --- /dev/null +++ b/lib/rbcodec/codecs/libopus/silk/table_LSF_cos.c | |||
@@ -0,0 +1,70 @@ | |||
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 | #ifdef HAVE_CONFIG_H | ||
29 | #include "opus_config.h" | ||
30 | #endif | ||
31 | |||
32 | #include "tables.h" | ||
33 | |||
34 | /* Cosine approximation table for LSF conversion */ | ||
35 | /* Q12 values (even) */ | ||
36 | const opus_int16 silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ] = { | ||
37 | 8192, 8190, 8182, 8170, | ||
38 | 8152, 8130, 8104, 8072, | ||
39 | 8034, 7994, 7946, 7896, | ||
40 | 7840, 7778, 7714, 7644, | ||
41 | 7568, 7490, 7406, 7318, | ||
42 | 7226, 7128, 7026, 6922, | ||
43 | 6812, 6698, 6580, 6458, | ||
44 | 6332, 6204, 6070, 5934, | ||
45 | 5792, 5648, 5502, 5352, | ||
46 | 5198, 5040, 4880, 4718, | ||
47 | 4552, 4382, 4212, 4038, | ||
48 | 3862, 3684, 3502, 3320, | ||
49 | 3136, 2948, 2760, 2570, | ||
50 | 2378, 2186, 1990, 1794, | ||
51 | 1598, 1400, 1202, 1002, | ||
52 | 802, 602, 402, 202, | ||
53 | 0, -202, -402, -602, | ||
54 | -802, -1002, -1202, -1400, | ||
55 | -1598, -1794, -1990, -2186, | ||
56 | -2378, -2570, -2760, -2948, | ||
57 | -3136, -3320, -3502, -3684, | ||
58 | -3862, -4038, -4212, -4382, | ||
59 | -4552, -4718, -4880, -5040, | ||
60 | -5198, -5352, -5502, -5648, | ||
61 | -5792, -5934, -6070, -6204, | ||
62 | -6332, -6458, -6580, -6698, | ||
63 | -6812, -6922, -7026, -7128, | ||
64 | -7226, -7318, -7406, -7490, | ||
65 | -7568, -7644, -7714, -7778, | ||
66 | -7840, -7896, -7946, -7994, | ||
67 | -8034, -8072, -8104, -8130, | ||
68 | -8152, -8170, -8182, -8190, | ||
69 | -8192 | ||
70 | }; | ||