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