Alexandre Lision | 744f742 | 2013-09-25 11:39:37 -0400 | [diff] [blame] | 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 "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 | }; |