ref: eff72e47eb08e646bf5d45f2aa739058723d39fd
dir: /silk/tables_LTP.c/
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#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
};