| /*********************************************************************** |
| Copyright (c) 2006-2011, Skype Limited. All rights reserved. |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions |
| are met: |
| - Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
| - Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| - Neither the name of Internet Society, IETF or IETF Trust, nor the |
| names of specific contributors, may be used to endorse or promote |
| products derived from this software without specific prior written |
| permission. |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| POSSIBILITY OF SUCH DAMAGE. |
| ***********************************************************************/ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include "tables.h" |
| |
| const opus_uint8 silk_LTP_per_index_iCDF[3] = { |
| 179, 99, 0 |
| }; |
| |
| static const opus_uint8 silk_LTP_gain_iCDF_0[8] = { |
| 71, 56, 43, 30, 21, 12, 6, 0 |
| }; |
| |
| static const opus_uint8 silk_LTP_gain_iCDF_1[16] = { |
| 199, 165, 144, 124, 109, 96, 84, 71, |
| 61, 51, 42, 32, 23, 15, 8, 0 |
| }; |
| |
| static const opus_uint8 silk_LTP_gain_iCDF_2[32] = { |
| 241, 225, 211, 199, 187, 175, 164, 153, |
| 142, 132, 123, 114, 105, 96, 88, 80, |
| 72, 64, 57, 50, 44, 38, 33, 29, |
| 24, 20, 16, 12, 9, 5, 2, 0 |
| }; |
| |
| const opus_int16 silk_LTP_gain_middle_avg_RD_Q14 = 12304; |
| |
| static const opus_uint8 silk_LTP_gain_BITS_Q5_0[8] = { |
| 15, 131, 138, 138, 155, 155, 173, 173 |
| }; |
| |
| static const opus_uint8 silk_LTP_gain_BITS_Q5_1[16] = { |
| 69, 93, 115, 118, 131, 138, 141, 138, |
| 150, 150, 155, 150, 155, 160, 166, 160 |
| }; |
| |
| static const opus_uint8 silk_LTP_gain_BITS_Q5_2[32] = { |
| 131, 128, 134, 141, 141, 141, 145, 145, |
| 145, 150, 155, 155, 155, 155, 160, 160, |
| 160, 160, 166, 166, 173, 173, 182, 192, |
| 182, 192, 192, 192, 205, 192, 205, 224 |
| }; |
| |
| const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[NB_LTP_CBKS] = { |
| silk_LTP_gain_iCDF_0, |
| silk_LTP_gain_iCDF_1, |
| silk_LTP_gain_iCDF_2 |
| }; |
| |
| const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[NB_LTP_CBKS] = { |
| silk_LTP_gain_BITS_Q5_0, |
| silk_LTP_gain_BITS_Q5_1, |
| silk_LTP_gain_BITS_Q5_2 |
| }; |
| |
| static const opus_int8 silk_LTP_gain_vq_0[8][5] = |
| { |
| { |
| 4, 6, 24, 7, 5 |
| }, |
| { |
| 0, 0, 2, 0, 0 |
| }, |
| { |
| 12, 28, 41, 13, -4 |
| }, |
| { |
| -9, 15, 42, 25, 14 |
| }, |
| { |
| 1, -2, 62, 41, -9 |
| }, |
| { |
| -10, 37, 65, -4, 3 |
| }, |
| { |
| -6, 4, 66, 7, -8 |
| }, |
| { |
| 16, 14, 38, -3, 33 |
| } |
| }; |
| |
| static const opus_int8 silk_LTP_gain_vq_1[16][5] = |
| { |
| { |
| 13, 22, 39, 23, 12 |
| }, |
| { |
| -1, 36, 64, 27, -6 |
| }, |
| { |
| -7, 10, 55, 43, 17 |
| }, |
| { |
| 1, 1, 8, 1, 1 |
| }, |
| { |
| 6, -11, 74, 53, -9 |
| }, |
| { |
| -12, 55, 76, -12, 8 |
| }, |
| { |
| -3, 3, 93, 27, -4 |
| }, |
| { |
| 26, 39, 59, 3, -8 |
| }, |
| { |
| 2, 0, 77, 11, 9 |
| }, |
| { |
| -8, 22, 44, -6, 7 |
| }, |
| { |
| 40, 9, 26, 3, 9 |
| }, |
| { |
| -7, 20, 101, -7, 4 |
| }, |
| { |
| 3, -8, 42, 26, 0 |
| }, |
| { |
| -15, 33, 68, 2, 23 |
| }, |
| { |
| -2, 55, 46, -2, 15 |
| }, |
| { |
| 3, -1, 21, 16, 41 |
| } |
| }; |
| |
| static const opus_int8 silk_LTP_gain_vq_2[32][5] = |
| { |
| { |
| -6, 27, 61, 39, 5 |
| }, |
| { |
| -11, 42, 88, 4, 1 |
| }, |
| { |
| -2, 60, 65, 6, -4 |
| }, |
| { |
| -1, -5, 73, 56, 1 |
| }, |
| { |
| -9, 19, 94, 29, -9 |
| }, |
| { |
| 0, 12, 99, 6, 4 |
| }, |
| { |
| 8, -19, 102, 46, -13 |
| }, |
| { |
| 3, 2, 13, 3, 2 |
| }, |
| { |
| 9, -21, 84, 72, -18 |
| }, |
| { |
| -11, 46, 104, -22, 8 |
| }, |
| { |
| 18, 38, 48, 23, 0 |
| }, |
| { |
| -16, 70, 83, -21, 11 |
| }, |
| { |
| 5, -11, 117, 22, -8 |
| }, |
| { |
| -6, 23, 117, -12, 3 |
| }, |
| { |
| 3, -8, 95, 28, 4 |
| }, |
| { |
| -10, 15, 77, 60, -15 |
| }, |
| { |
| -1, 4, 124, 2, -4 |
| }, |
| { |
| 3, 38, 84, 24, -25 |
| }, |
| { |
| 2, 13, 42, 13, 31 |
| }, |
| { |
| 21, -4, 56, 46, -1 |
| }, |
| { |
| -1, 35, 79, -13, 19 |
| }, |
| { |
| -7, 65, 88, -9, -14 |
| }, |
| { |
| 20, 4, 81, 49, -29 |
| }, |
| { |
| 20, 0, 75, 3, -17 |
| }, |
| { |
| 5, -9, 44, 92, -8 |
| }, |
| { |
| 1, -3, 22, 69, 31 |
| }, |
| { |
| -6, 95, 41, -12, 5 |
| }, |
| { |
| 39, 67, 16, -4, 1 |
| }, |
| { |
| 0, -6, 120, 55, -36 |
| }, |
| { |
| -13, 44, 122, 4, -24 |
| }, |
| { |
| 81, 5, 11, 3, 7 |
| }, |
| { |
| 2, 0, 9, 10, 88 |
| } |
| }; |
| |
| const opus_int8 * const silk_LTP_vq_ptrs_Q7[NB_LTP_CBKS] = { |
| (opus_int8 *)&silk_LTP_gain_vq_0[0][0], |
| (opus_int8 *)&silk_LTP_gain_vq_1[0][0], |
| (opus_int8 *)&silk_LTP_gain_vq_2[0][0] |
| }; |
| |
| /* Maximum frequency-dependent response of the pitch taps above, |
| computed as max(abs(freqz(taps))) */ |
| static const opus_uint8 silk_LTP_gain_vq_0_gain[8] = { |
| 46, 2, 90, 87, 93, 91, 82, 98 |
| }; |
| |
| static const opus_uint8 silk_LTP_gain_vq_1_gain[16] = { |
| 109, 120, 118, 12, 113, 115, 117, 119, |
| 99, 59, 87, 111, 63, 111, 112, 80 |
| }; |
| |
| static const opus_uint8 silk_LTP_gain_vq_2_gain[32] = { |
| 126, 124, 125, 124, 129, 121, 126, 23, |
| 132, 127, 127, 127, 126, 127, 122, 133, |
| 130, 134, 101, 118, 119, 145, 126, 86, |
| 124, 120, 123, 119, 170, 173, 107, 109 |
| }; |
| |
| const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS] = { |
| &silk_LTP_gain_vq_0_gain[0], |
| &silk_LTP_gain_vq_1_gain[0], |
| &silk_LTP_gain_vq_2_gain[0] |
| }; |
| |
| const opus_int8 silk_LTP_vq_sizes[NB_LTP_CBKS] = { |
| 8, 16, 32 |
| }; |