|
Chris@69
|
1 /***********************************************************************
|
|
Chris@69
|
2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
|
|
Chris@69
|
3 Redistribution and use in source and binary forms, with or without
|
|
Chris@69
|
4 modification, are permitted provided that the following conditions
|
|
Chris@69
|
5 are met:
|
|
Chris@69
|
6 - Redistributions of source code must retain the above copyright notice,
|
|
Chris@69
|
7 this list of conditions and the following disclaimer.
|
|
Chris@69
|
8 - Redistributions in binary form must reproduce the above copyright
|
|
Chris@69
|
9 notice, this list of conditions and the following disclaimer in the
|
|
Chris@69
|
10 documentation and/or other materials provided with the distribution.
|
|
Chris@69
|
11 - Neither the name of Internet Society, IETF or IETF Trust, nor the
|
|
Chris@69
|
12 names of specific contributors, may be used to endorse or promote
|
|
Chris@69
|
13 products derived from this software without specific prior written
|
|
Chris@69
|
14 permission.
|
|
Chris@69
|
15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
Chris@69
|
16 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
Chris@69
|
17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
Chris@69
|
18 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
Chris@69
|
19 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
Chris@69
|
20 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
Chris@69
|
21 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
Chris@69
|
22 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
Chris@69
|
23 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
Chris@69
|
24 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
Chris@69
|
25 POSSIBILITY OF SUCH DAMAGE.
|
|
Chris@69
|
26 ***********************************************************************/
|
|
Chris@69
|
27
|
|
Chris@69
|
28 #ifdef HAVE_CONFIG_H
|
|
Chris@69
|
29 #include "config.h"
|
|
Chris@69
|
30 #endif
|
|
Chris@69
|
31
|
|
Chris@69
|
32 #include "tables.h"
|
|
Chris@69
|
33
|
|
Chris@69
|
34 /* Cosine approximation table for LSF conversion */
|
|
Chris@69
|
35 /* Q12 values (even) */
|
|
Chris@69
|
36 const opus_int16 silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ] = {
|
|
Chris@69
|
37 8192, 8190, 8182, 8170,
|
|
Chris@69
|
38 8152, 8130, 8104, 8072,
|
|
Chris@69
|
39 8034, 7994, 7946, 7896,
|
|
Chris@69
|
40 7840, 7778, 7714, 7644,
|
|
Chris@69
|
41 7568, 7490, 7406, 7318,
|
|
Chris@69
|
42 7226, 7128, 7026, 6922,
|
|
Chris@69
|
43 6812, 6698, 6580, 6458,
|
|
Chris@69
|
44 6332, 6204, 6070, 5934,
|
|
Chris@69
|
45 5792, 5648, 5502, 5352,
|
|
Chris@69
|
46 5198, 5040, 4880, 4718,
|
|
Chris@69
|
47 4552, 4382, 4212, 4038,
|
|
Chris@69
|
48 3862, 3684, 3502, 3320,
|
|
Chris@69
|
49 3136, 2948, 2760, 2570,
|
|
Chris@69
|
50 2378, 2186, 1990, 1794,
|
|
Chris@69
|
51 1598, 1400, 1202, 1002,
|
|
Chris@69
|
52 802, 602, 402, 202,
|
|
Chris@69
|
53 0, -202, -402, -602,
|
|
Chris@69
|
54 -802, -1002, -1202, -1400,
|
|
Chris@69
|
55 -1598, -1794, -1990, -2186,
|
|
Chris@69
|
56 -2378, -2570, -2760, -2948,
|
|
Chris@69
|
57 -3136, -3320, -3502, -3684,
|
|
Chris@69
|
58 -3862, -4038, -4212, -4382,
|
|
Chris@69
|
59 -4552, -4718, -4880, -5040,
|
|
Chris@69
|
60 -5198, -5352, -5502, -5648,
|
|
Chris@69
|
61 -5792, -5934, -6070, -6204,
|
|
Chris@69
|
62 -6332, -6458, -6580, -6698,
|
|
Chris@69
|
63 -6812, -6922, -7026, -7128,
|
|
Chris@69
|
64 -7226, -7318, -7406, -7490,
|
|
Chris@69
|
65 -7568, -7644, -7714, -7778,
|
|
Chris@69
|
66 -7840, -7896, -7946, -7994,
|
|
Chris@69
|
67 -8034, -8072, -8104, -8130,
|
|
Chris@69
|
68 -8152, -8170, -8182, -8190,
|
|
Chris@69
|
69 -8192
|
|
Chris@69
|
70 };
|
