1*a58d3d2aSXin Li /*********************************************************************** 2*a58d3d2aSXin Li Copyright (c) 2006-2011, Skype Limited. All rights reserved. 3*a58d3d2aSXin Li Redistribution and use in source and binary forms, with or without 4*a58d3d2aSXin Li modification, are permitted provided that the following conditions 5*a58d3d2aSXin Li are met: 6*a58d3d2aSXin Li - Redistributions of source code must retain the above copyright notice, 7*a58d3d2aSXin Li this list of conditions and the following disclaimer. 8*a58d3d2aSXin Li - Redistributions in binary form must reproduce the above copyright 9*a58d3d2aSXin Li notice, this list of conditions and the following disclaimer in the 10*a58d3d2aSXin Li documentation and/or other materials provided with the distribution. 11*a58d3d2aSXin Li - Neither the name of Internet Society, IETF or IETF Trust, nor the 12*a58d3d2aSXin Li names of specific contributors, may be used to endorse or promote 13*a58d3d2aSXin Li products derived from this software without specific prior written 14*a58d3d2aSXin Li permission. 15*a58d3d2aSXin Li THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16*a58d3d2aSXin Li AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17*a58d3d2aSXin Li IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18*a58d3d2aSXin Li ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 19*a58d3d2aSXin Li LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20*a58d3d2aSXin Li CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21*a58d3d2aSXin Li SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22*a58d3d2aSXin Li INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23*a58d3d2aSXin Li CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24*a58d3d2aSXin Li ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25*a58d3d2aSXin Li POSSIBILITY OF SUCH DAMAGE. 26*a58d3d2aSXin Li ***********************************************************************/ 27*a58d3d2aSXin Li 28*a58d3d2aSXin Li #ifdef HAVE_CONFIG_H 29*a58d3d2aSXin Li #include "config.h" 30*a58d3d2aSXin Li #endif 31*a58d3d2aSXin Li 32*a58d3d2aSXin Li #include "tables.h" 33*a58d3d2aSXin Li 34*a58d3d2aSXin Li /* Cosine approximation table for LSF conversion */ 35*a58d3d2aSXin Li /* Q12 values (even) */ 36*a58d3d2aSXin Li const opus_int16 silk_LSFCosTab_FIX_Q12[ LSF_COS_TAB_SZ_FIX + 1 ] = { 37*a58d3d2aSXin Li 8192, 8190, 8182, 8170, 38*a58d3d2aSXin Li 8152, 8130, 8104, 8072, 39*a58d3d2aSXin Li 8034, 7994, 7946, 7896, 40*a58d3d2aSXin Li 7840, 7778, 7714, 7644, 41*a58d3d2aSXin Li 7568, 7490, 7406, 7318, 42*a58d3d2aSXin Li 7226, 7128, 7026, 6922, 43*a58d3d2aSXin Li 6812, 6698, 6580, 6458, 44*a58d3d2aSXin Li 6332, 6204, 6070, 5934, 45*a58d3d2aSXin Li 5792, 5648, 5502, 5352, 46*a58d3d2aSXin Li 5198, 5040, 4880, 4718, 47*a58d3d2aSXin Li 4552, 4382, 4212, 4038, 48*a58d3d2aSXin Li 3862, 3684, 3502, 3320, 49*a58d3d2aSXin Li 3136, 2948, 2760, 2570, 50*a58d3d2aSXin Li 2378, 2186, 1990, 1794, 51*a58d3d2aSXin Li 1598, 1400, 1202, 1002, 52*a58d3d2aSXin Li 802, 602, 402, 202, 53*a58d3d2aSXin Li 0, -202, -402, -602, 54*a58d3d2aSXin Li -802, -1002, -1202, -1400, 55*a58d3d2aSXin Li -1598, -1794, -1990, -2186, 56*a58d3d2aSXin Li -2378, -2570, -2760, -2948, 57*a58d3d2aSXin Li -3136, -3320, -3502, -3684, 58*a58d3d2aSXin Li -3862, -4038, -4212, -4382, 59*a58d3d2aSXin Li -4552, -4718, -4880, -5040, 60*a58d3d2aSXin Li -5198, -5352, -5502, -5648, 61*a58d3d2aSXin Li -5792, -5934, -6070, -6204, 62*a58d3d2aSXin Li -6332, -6458, -6580, -6698, 63*a58d3d2aSXin Li -6812, -6922, -7026, -7128, 64*a58d3d2aSXin Li -7226, -7318, -7406, -7490, 65*a58d3d2aSXin Li -7568, -7644, -7714, -7778, 66*a58d3d2aSXin Li -7840, -7896, -7946, -7994, 67*a58d3d2aSXin Li -8034, -8072, -8104, -8130, 68*a58d3d2aSXin Li -8152, -8170, -8182, -8190, 69*a58d3d2aSXin Li -8192 70*a58d3d2aSXin Li }; 71