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27 
28 #ifdef HAVE_CONFIG_H
29 #include "config.h"
30 #endif
31 
32 #include "tables.h"
33 
34 const opus_uint8 silk_LTP_per_index_iCDF[3] = {
35        179,     99,      0
36 };
37 
38 static const opus_uint8 silk_LTP_gain_iCDF_0[8] = {
39         71,     56,     43,     30,     21,     12,      6,      0
40 };
41 
42 static const opus_uint8 silk_LTP_gain_iCDF_1[16] = {
43        199,    165,    144,    124,    109,     96,     84,     71,
44         61,     51,     42,     32,     23,     15,      8,      0
45 };
46 
47 static const opus_uint8 silk_LTP_gain_iCDF_2[32] = {
48        241,    225,    211,    199,    187,    175,    164,    153,
49        142,    132,    123,    114,    105,     96,     88,     80,
50         72,     64,     57,     50,     44,     38,     33,     29,
51         24,     20,     16,     12,      9,      5,      2,      0
52 };
53 
54 static const opus_uint8 silk_LTP_gain_BITS_Q5_0[8] = {
55         15,    131,    138,    138,    155,    155,    173,    173
56 };
57 
58 static const opus_uint8 silk_LTP_gain_BITS_Q5_1[16] = {
59         69,     93,    115,    118,    131,    138,    141,    138,
60        150,    150,    155,    150,    155,    160,    166,    160
61 };
62 
63 static const opus_uint8 silk_LTP_gain_BITS_Q5_2[32] = {
64        131,    128,    134,    141,    141,    141,    145,    145,
65        145,    150,    155,    155,    155,    155,    160,    160,
66        160,    160,    166,    166,    173,    173,    182,    192,
67        182,    192,    192,    192,    205,    192,    205,    224
68 };
69 
70 const opus_uint8 * const silk_LTP_gain_iCDF_ptrs[NB_LTP_CBKS] = {
71     silk_LTP_gain_iCDF_0,
72     silk_LTP_gain_iCDF_1,
73     silk_LTP_gain_iCDF_2
74 };
75 
76 const opus_uint8 * const silk_LTP_gain_BITS_Q5_ptrs[NB_LTP_CBKS] = {
77     silk_LTP_gain_BITS_Q5_0,
78     silk_LTP_gain_BITS_Q5_1,
79     silk_LTP_gain_BITS_Q5_2
80 };
81 
82 static const opus_int8 silk_LTP_gain_vq_0[8][5] =
83 {
84 {
85          4,      6,     24,      7,      5
86 },
87 {
88          0,      0,      2,      0,      0
89 },
90 {
91         12,     28,     41,     13,     -4
92 },
93 {
94         -9,     15,     42,     25,     14
95 },
96 {
97          1,     -2,     62,     41,     -9
98 },
99 {
100        -10,     37,     65,     -4,      3
101 },
102 {
103         -6,      4,     66,      7,     -8
104 },
105 {
106         16,     14,     38,     -3,     33
107 }
108 };
109 
110 static const opus_int8 silk_LTP_gain_vq_1[16][5] =
111 {
112 {
113         13,     22,     39,     23,     12
114 },
115 {
116         -1,     36,     64,     27,     -6
117 },
118 {
119         -7,     10,     55,     43,     17
120 },
121 {
122          1,      1,      8,      1,      1
123 },
124 {
125          6,    -11,     74,     53,     -9
126 },
127 {
128        -12,     55,     76,    -12,      8
129 },
130 {
131         -3,      3,     93,     27,     -4
132 },
133 {
134         26,     39,     59,      3,     -8
135 },
136 {
137          2,      0,     77,     11,      9
138 },
139 {
140         -8,     22,     44,     -6,      7
141 },
142 {
143         40,      9,     26,      3,      9
144 },
145 {
146         -7,     20,    101,     -7,      4
147 },
148 {
149          3,     -8,     42,     26,      0
150 },
151 {
152        -15,     33,     68,      2,     23
153 },
154 {
155         -2,     55,     46,     -2,     15
156 },
157 {
158          3,     -1,     21,     16,     41
159 }
160 };
161 
162 static const opus_int8 silk_LTP_gain_vq_2[32][5] =
163 {
164 {
165         -6,     27,     61,     39,      5
166 },
167 {
168        -11,     42,     88,      4,      1
169 },
170 {
171         -2,     60,     65,      6,     -4
172 },
173 {
174         -1,     -5,     73,     56,      1
175 },
176 {
177         -9,     19,     94,     29,     -9
178 },
179 {
180          0,     12,     99,      6,      4
181 },
182 {
183          8,    -19,    102,     46,    -13
184 },
185 {
186          3,      2,     13,      3,      2
187 },
188 {
189          9,    -21,     84,     72,    -18
190 },
191 {
192        -11,     46,    104,    -22,      8
193 },
194 {
195         18,     38,     48,     23,      0
196 },
197 {
198        -16,     70,     83,    -21,     11
199 },
200 {
201          5,    -11,    117,     22,     -8
202 },
203 {
204         -6,     23,    117,    -12,      3
205 },
206 {
207          3,     -8,     95,     28,      4
208 },
209 {
210        -10,     15,     77,     60,    -15
211 },
212 {
213         -1,      4,    124,      2,     -4
214 },
215 {
216          3,     38,     84,     24,    -25
217 },
218 {
219          2,     13,     42,     13,     31
220 },
221 {
222         21,     -4,     56,     46,     -1
223 },
224 {
225         -1,     35,     79,    -13,     19
226 },
227 {
228         -7,     65,     88,     -9,    -14
229 },
230 {
231         20,      4,     81,     49,    -29
232 },
233 {
234         20,      0,     75,      3,    -17
235 },
236 {
237          5,     -9,     44,     92,     -8
238 },
239 {
240          1,     -3,     22,     69,     31
241 },
242 {
243         -6,     95,     41,    -12,      5
244 },
245 {
246         39,     67,     16,     -4,      1
247 },
248 {
249          0,     -6,    120,     55,    -36
250 },
251 {
252        -13,     44,    122,      4,    -24
253 },
254 {
255         81,      5,     11,      3,      7
256 },
257 {
258          2,      0,      9,     10,     88
259 }
260 };
261 
262 const opus_int8 * const silk_LTP_vq_ptrs_Q7[NB_LTP_CBKS] = {
263     (opus_int8 *)&silk_LTP_gain_vq_0[0][0],
264     (opus_int8 *)&silk_LTP_gain_vq_1[0][0],
265     (opus_int8 *)&silk_LTP_gain_vq_2[0][0]
266 };
267 
268 /* Maximum frequency-dependent response of the pitch taps above,
269    computed as max(abs(freqz(taps))) */
270 static const opus_uint8 silk_LTP_gain_vq_0_gain[8] = {
271       46,      2,     90,     87,     93,     91,     82,     98
272 };
273 
274 static const opus_uint8 silk_LTP_gain_vq_1_gain[16] = {
275      109,    120,    118,     12,    113,    115,    117,    119,
276       99,     59,     87,    111,     63,    111,    112,     80
277 };
278 
279 static const opus_uint8 silk_LTP_gain_vq_2_gain[32] = {
280      126,    124,    125,    124,    129,    121,    126,     23,
281      132,    127,    127,    127,    126,    127,    122,    133,
282      130,    134,    101,    118,    119,    145,    126,     86,
283      124,    120,    123,    119,    170,    173,    107,    109
284 };
285 
286 const opus_uint8 * const silk_LTP_vq_gain_ptrs_Q7[NB_LTP_CBKS] = {
287     &silk_LTP_gain_vq_0_gain[0],
288     &silk_LTP_gain_vq_1_gain[0],
289     &silk_LTP_gain_vq_2_gain[0]
290 };
291 
292 const opus_int8 silk_LTP_vq_sizes[NB_LTP_CBKS] = {
293     8, 16, 32
294 };
295