3 * Copyright (c) 2007 Reynaldo H. Verdejo Pinochet
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
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12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #ifndef AVCODEC_QCELPDATA_H
23 #define AVCODEC_QCELPDATA_H
28 * @author Reynaldo H. Verdejo Pinochet
34 * pre-calculated table for hammsinc function
35 * Only half of the table is needed because of symmetry.
37 * TIA/EIA/IS-733 2.4.5.2-2/3
39 static const float qcelp_hammsinc_table[4] = { -0.006822, 0.041249, -0.143459, 0.588863};
42 uint8_t index; /*!< index into the QCELPContext structure */
43 uint8_t bitpos; /*!< position of the lowest bit in the value's byte */
44 uint8_t bitlen; /*!< number of bits to read */
47 #define QCELP_OF(variable, bit, len) {offsetof(QCELPContext, variable), bit, len}
50 * bitmap unpacking tables for RATE_FULL
52 * TIA/EIA/IS-733 Table 2.4.7.1-1
54 static const QCELPBitmap qcelp_rate_full_bitmap[] = {
56 QCELP_OF(lspv [ 2], 0, 3), // 265
57 QCELP_OF(lspv [ 1], 0, 7), // 262
58 QCELP_OF(lspv [ 0], 0, 6), // 255
59 QCELP_OF(lspv [ 4], 0, 6), // 249
60 QCELP_OF(lspv [ 3], 0, 6), // 243
61 QCELP_OF(lspv [ 2], 3, 4), // 237
62 QCELP_OF(cbsign[ 0], 0, 1), // 233
63 QCELP_OF(cbgain[ 0], 0, 4), // 232
64 QCELP_OF(pfrac [ 0], 0, 1), // 228
65 QCELP_OF(plag [ 0], 0, 7), // 227
66 QCELP_OF(pgain [ 0], 0, 3), // 220
67 QCELP_OF(cindex[ 1], 0, 4), // 217
68 QCELP_OF(cbsign[ 1], 0, 1), // 213
69 QCELP_OF(cbgain[ 1], 0, 4), // 212
70 QCELP_OF(cindex[ 0], 0, 7), // 208
71 QCELP_OF(cbgain[ 3], 0, 1), // 201
72 QCELP_OF(cindex[ 2], 0, 7), // 200
73 QCELP_OF(cbsign[ 2], 0, 1), // 193
74 QCELP_OF(cbgain[ 2], 0, 4), // 192
75 QCELP_OF(cindex[ 1], 4, 3), // 188
76 QCELP_OF(plag [ 1], 0, 3), // 185
77 QCELP_OF(pgain [ 1], 0, 3), // 182
78 QCELP_OF(cindex[ 3], 0, 7), // 179
79 QCELP_OF(cbsign[ 3], 0, 1), // 172
80 QCELP_OF(cbgain[ 3], 1, 2), // 171
81 QCELP_OF(cindex[ 4], 0, 6), // 169
82 QCELP_OF(cbsign[ 4], 0, 1), // 163
83 QCELP_OF(cbgain[ 4], 0, 4), // 162
84 QCELP_OF(pfrac [ 1], 0, 1), // 158
85 QCELP_OF(plag [ 1], 3, 4), // 157
86 QCELP_OF(cbgain[ 6], 0, 3), // 153
87 QCELP_OF(cindex[ 5], 0, 7), // 150
88 QCELP_OF(cbsign[ 5], 0, 1), // 143
89 QCELP_OF(cbgain[ 5], 0, 4), // 142
90 QCELP_OF(cindex[ 4], 6, 1), // 138
91 QCELP_OF(cindex[ 7], 0, 3), // 137
92 QCELP_OF(cbsign[ 7], 0, 1), // 134
93 QCELP_OF(cbgain[ 7], 0, 3), // 133
94 QCELP_OF(cindex[ 6], 0, 7), // 130
95 QCELP_OF(cbsign[ 6], 0, 1), // 123
96 QCELP_OF(cbgain[ 6], 3, 1), // 122
97 QCELP_OF(cbgain[ 8], 0, 1), // 121
98 QCELP_OF(pfrac [ 2], 0, 1), // 120
99 QCELP_OF(plag [ 2], 0, 7), // 119
100 QCELP_OF(pgain [ 2], 0, 3), // 112
101 QCELP_OF(cindex[ 7], 3, 4), // 109
102 QCELP_OF(cbsign[ 9], 0, 1), // 105
103 QCELP_OF(cbgain[ 9], 0, 4), // 104
104 QCELP_OF(cindex[ 8], 0, 7), // 100
105 QCELP_OF(cbsign[ 8], 0, 1), // 93
106 QCELP_OF(cbgain[ 8], 1, 3), // 92
107 QCELP_OF(cindex[10], 0, 4), // 89
108 QCELP_OF(cbsign[10], 0, 1), // 85
109 QCELP_OF(cbgain[10], 0, 4), // 84
110 QCELP_OF(cindex[ 9], 0, 7), // 80
111 QCELP_OF(pgain [ 3], 0, 2), // 73
112 QCELP_OF(cindex[11], 0, 7), // 71
113 QCELP_OF(cbsign[11], 0, 1), // 64
114 QCELP_OF(cbgain[11], 0, 3), // 63
115 QCELP_OF(cindex[10], 4, 3), // 60
116 QCELP_OF(cindex[12], 0, 2), // 57
117 QCELP_OF(cbsign[12], 0, 1), // 55
118 QCELP_OF(cbgain[12], 0, 4), // 54
119 QCELP_OF(pfrac [ 3], 0, 1), // 50
120 QCELP_OF(plag [ 3], 0, 7), // 49
121 QCELP_OF(pgain [ 3], 2, 1), // 42
122 QCELP_OF(cindex[13], 0, 6), // 41
123 QCELP_OF(cbsign[13], 0, 1), // 35
124 QCELP_OF(cbgain[13], 0, 4), // 34
125 QCELP_OF(cindex[12], 2, 5), // 30
126 QCELP_OF(cbgain[15], 0, 3), // 25
127 QCELP_OF(cindex[14], 0, 7), // 22
128 QCELP_OF(cbsign[14], 0, 1), // 15
129 QCELP_OF(cbgain[14], 0, 4), // 14
130 QCELP_OF(cindex[13], 6, 1), // 10
131 QCELP_OF(reserved, 0, 2), // 9
132 QCELP_OF(cindex[15], 0, 7), // 7
133 QCELP_OF(cbsign[15], 0, 1) // 0
137 * bitmap unpacking tables for RATE_HALF
139 * TIA/EIA/IS-733 Table 2.4.7.2-1
141 static const QCELPBitmap qcelp_rate_half_bitmap[] = {
143 QCELP_OF(lspv [2], 0, 3), // 123
144 QCELP_OF(lspv [1], 0, 7), // 120
145 QCELP_OF(lspv [0], 0, 6), // 113
146 QCELP_OF(lspv [4], 0, 6), // 107
147 QCELP_OF(lspv [3], 0, 6), // 101
148 QCELP_OF(lspv [2], 3, 4), // 95
149 QCELP_OF(cbsign[0], 0, 1), // 91
150 QCELP_OF(cbgain[0], 0, 4), // 90
151 QCELP_OF(pfrac [0], 0, 1), // 86
152 QCELP_OF(plag [0], 0, 7), // 85
153 QCELP_OF(pgain [0], 0, 3), // 78
154 QCELP_OF(plag [1], 0, 6), // 75
155 QCELP_OF(pgain [1], 0, 3), // 69
156 QCELP_OF(cindex[0], 0, 7), // 66
157 QCELP_OF(pgain [2], 0, 2), // 59
158 QCELP_OF(cindex[1], 0, 7), // 57
159 QCELP_OF(cbsign[1], 0, 1), // 50
160 QCELP_OF(cbgain[1], 0, 4), // 49
161 QCELP_OF(pfrac [1], 0, 1), // 45
162 QCELP_OF(plag [1], 6, 1), // 44
163 QCELP_OF(cindex[2], 0, 2), // 43
164 QCELP_OF(cbsign[2], 0, 1), // 41
165 QCELP_OF(cbgain[2], 0, 4), // 40
166 QCELP_OF(pfrac [2], 0, 1), // 36
167 QCELP_OF(plag [2], 0, 7), // 35
168 QCELP_OF(pgain [2], 2, 1), // 28
169 QCELP_OF(pfrac [3], 0, 1), // 27
170 QCELP_OF(plag [3], 0, 7), // 26
171 QCELP_OF(pgain [3], 0, 3), // 19
172 QCELP_OF(cindex[2], 2, 5), // 16
173 QCELP_OF(cindex[3], 0, 7), // 11
174 QCELP_OF(cbsign[3], 0, 1), // 4
175 QCELP_OF(cbgain[3], 0, 4) // 3
179 * bitmap unpacking tables for RATE_QUARTER
181 * TIA/EIA/IS-733 Table 2.4.7.3-1
183 static const QCELPBitmap qcelp_rate_quarter_bitmap[] = {
185 QCELP_OF(lspv [2], 0, 3), // 53
186 QCELP_OF(lspv [1], 0, 7), // 50
187 QCELP_OF(lspv [0], 0, 6), // 43
188 QCELP_OF(lspv [4], 0, 6), // 37
189 QCELP_OF(lspv [3], 0, 6), // 31
190 QCELP_OF(lspv [2], 3, 4), // 25
191 QCELP_OF(cbgain[3], 0, 4), // 21
192 QCELP_OF(cbgain[2], 0, 4), // 17
193 QCELP_OF(cbgain[1], 0, 4), // 13
194 QCELP_OF(cbgain[0], 0, 4), // 9
195 QCELP_OF(reserved, 0, 2), // 5
196 QCELP_OF(cbgain[4], 0, 4) // 3
200 * bitmap unpacking tables for RATE_OCTAVE
202 * trick: CBSEED is written into QCELPContext.cbsign[15],
203 * which is not used for RATE_OCTAVE.
204 * CBSEED is only used to ensure the occurrence of random bit
205 * patterns in the 16 first bits that are used as the seed.
207 * TIA/EIA/IS-733 Table 2.4.7.4-1
209 static const QCELPBitmap qcelp_rate_octave_bitmap[] = {
211 QCELP_OF(cbsign[15], 3, 1), // 19
212 QCELP_OF(lspv [0], 0, 1), // 18
213 QCELP_OF(lspv [1], 0, 1), // 17
214 QCELP_OF(lspv [2], 0, 1), // 16
215 QCELP_OF(cbsign[15], 2, 1), // 15
216 QCELP_OF(lspv [3], 0, 1), // 14
217 QCELP_OF(lspv [4], 0, 1), // 13
218 QCELP_OF(lspv [5], 0, 1), // 12
219 QCELP_OF(cbsign[15], 1, 1), // 11
220 QCELP_OF(lspv [6], 0, 1), // 10
221 QCELP_OF(lspv [7], 0, 1), // 9
222 QCELP_OF(lspv [8], 0, 1), // 8
223 QCELP_OF(cbsign[15], 0, 1), // 7
224 QCELP_OF(lspv [9], 0, 1), // 6
225 QCELP_OF(cbgain [0], 0, 2), // 7
226 QCELP_OF(reserved, 0, 4) // 3
230 * position of the bitmapping data for each packet type in
233 static const QCELPBitmap * const qcelp_unpacking_bitmaps_per_rate[5] = {
234 NULL, ///!< for SILENCE rate
235 qcelp_rate_octave_bitmap,
236 qcelp_rate_quarter_bitmap,
237 qcelp_rate_half_bitmap,
238 qcelp_rate_full_bitmap,
241 static const uint16_t qcelp_bits_per_rate[5] = {
242 0, ///!< for SILENCE rate
243 FF_ARRAY_ELEMS(qcelp_rate_octave_bitmap),
244 FF_ARRAY_ELEMS(qcelp_rate_quarter_bitmap),
245 FF_ARRAY_ELEMS(qcelp_rate_half_bitmap),
246 FF_ARRAY_ELEMS(qcelp_rate_full_bitmap),
249 typedef uint16_t qcelp_vector[2];
252 * LSP vector quantization tables in x*10000 form
254 * TIA/EIA/IS-733 tables 2.4.3.2.6.3-1 through 2.4.3.2.6.3-5
257 static const qcelp_vector qcelp_lspvq1[64]= {
258 { 327, 118},{ 919, 111},{ 427, 440},{1327, 185},
259 { 469, 50},{1272, 91},{ 892, 59},{1771, 193},
260 { 222, 158},{1100, 127},{ 827, 55},{ 978, 791},
261 { 665, 47},{ 700,1401},{ 670, 859},{1913,1048},
262 { 471, 215},{1046, 125},{ 645, 298},{1599, 160},
263 { 593, 39},{1187, 462},{ 749, 341},{1520, 511},
264 { 290, 792},{ 909, 362},{ 753, 81},{1111,1058},
265 { 519, 253},{ 828, 839},{ 685, 541},{1421,1258},
266 { 386, 130},{ 962, 119},{ 542, 387},{1431, 185},
267 { 526, 51},{1175, 260},{ 831, 167},{1728, 510},
268 { 273, 437},{1172, 113},{ 771, 144},{1122, 751},
269 { 619, 119},{ 492,1276},{ 658, 695},{1882, 615},
270 { 415, 200},{1018, 88},{ 681, 339},{1436, 325},
271 { 555, 122},{1042, 485},{ 826, 345},{1374, 743},
272 { 383,1018},{1005, 358},{ 704, 86},{1301, 586},
273 { 597, 241},{ 832, 621},{ 555, 573},{1504, 839}};
275 static const qcelp_vector qcelp_lspvq2[128]= {
276 { 255, 293},{ 904, 219},{ 151,1211},{1447, 498},
277 { 470, 253},{1559, 177},{1547, 994},{2394, 242},
278 { 91, 813},{ 857, 590},{ 934,1326},{1889, 282},
279 { 813, 472},{1057,1494},{ 450,3315},{2163,1895},
280 { 538, 532},{1399, 218},{ 146,1552},{1755, 626},
281 { 822, 202},{1299, 663},{ 706,1732},{2656, 401},
282 { 418, 745},{ 762,1038},{ 583,1748},{1746,1285},
283 { 527,1169},{1314, 830},{ 556,2116},{1073,2321},
284 { 297, 570},{ 981, 403},{ 468,1103},{1740, 243},
285 { 725, 179},{1255, 474},{1374,1362},{1922, 912},
286 { 285, 947},{ 930, 700},{ 593,1372},{1909, 576},
287 { 588, 916},{1110,1116},{ 224,2719},{1633,2220},
288 { 402, 520},{1061, 448},{ 402,1352},{1499, 775},
289 { 664, 589},{1081, 727},{ 801,2206},{2165,1157},
290 { 566, 802},{ 911,1116},{ 306,1703},{1792, 836},
291 { 655, 999},{1061,1038},{ 298,2089},{1110,1753},
292 { 361, 311},{ 970, 239},{ 265,1231},{1495, 573},
293 { 566, 262},{1569, 293},{1341,1144},{2271, 544},
294 { 214, 877},{ 847, 719},{ 794,1384},{2067, 274},
295 { 703, 688},{1099,1306},{ 391,2947},{2024,1670},
296 { 471, 525},{1245, 290},{ 264,1557},{1568, 807},
297 { 718, 399},{1193, 685},{ 883,1594},{2729, 764},
298 { 500, 754},{ 809,1108},{ 541,1648},{1523,1385},
299 { 614,1196},{1209, 847},{ 345,2242},{1442,1747},
300 { 199, 560},{1092, 194},{ 349,1253},{1653, 507},
301 { 625, 354},{1376, 431},{1187,1465},{2164, 872},
302 { 360, 974},{1008, 698},{ 704,1346},{2114, 452},
303 { 720, 816},{1240,1089},{ 439,2475},{1498,2040},
304 { 336, 718},{1213, 187},{ 451,1450},{1368, 885},
305 { 592, 578},{1131, 531},{ 861,1855},{1764,1500},
306 { 444, 970},{ 935, 903},{ 424,1687},{1633,1102},
307 { 793, 897},{1060, 897},{ 185,2011},{1205,1855}};
309 static const qcelp_vector qcelp_lspvq3[128]= {
310 { 225, 283},{1296, 355},{ 543, 343},{2073, 274},
311 { 204,1099},{1562, 523},{1388, 161},{2784, 274},
312 { 112, 849},{1870, 175},{1189, 160},{1490,1088},
313 { 969,1115},{ 659,3322},{1158,1073},{3183,1363},
314 { 517, 223},{1740, 223},{ 704, 387},{2637, 234},
315 { 692,1005},{1287,1610},{ 952, 532},{2393, 646},
316 { 490, 552},{1619, 657},{ 845, 670},{1784,2280},
317 { 191,1775},{ 272,2868},{ 942, 952},{2628,1479},
318 { 278, 579},{1565, 218},{ 814, 180},{2379, 187},
319 { 276,1444},{1199,1223},{1200, 349},{3009, 307},
320 { 312, 844},{1898, 306},{ 863, 470},{1685,1241},
321 { 513,1727},{ 711,2233},{1085, 864},{3398, 527},
322 { 414, 440},{1356, 612},{ 964, 147},{2173, 738},
323 { 465,1292},{ 877,1749},{1104, 689},{2105,1311},
324 { 580, 864},{1895, 752},{ 652, 609},{1485,1699},
325 { 514,1400},{ 386,2131},{ 933, 798},{2473, 986},
326 { 334, 360},{1375, 398},{ 621, 276},{2183, 280},
327 { 311,1114},{1382, 807},{1284, 175},{2605, 636},
328 { 230, 816},{1739, 408},{1074, 176},{1619,1120},
329 { 784,1371},{ 448,3050},{1189, 880},{3039,1165},
330 { 424, 241},{1672, 186},{ 815, 333},{2432, 324},
331 { 584,1029},{1137,1546},{1015, 585},{2198, 995},
332 { 574, 581},{1746, 647},{ 733, 740},{1938,1737},
333 { 347,1710},{ 373,2429},{ 787,1061},{2439,1438},
334 { 185, 536},{1489, 178},{ 703, 216},{2178, 487},
335 { 154,1421},{1414, 994},{1103, 352},{3072, 473},
336 { 408, 819},{2055, 168},{ 998, 354},{1917,1140},
337 { 665,1799},{ 993,2213},{1234, 631},{3003, 762},
338 { 373, 620},{1518, 425},{ 913, 300},{1966, 836},
339 { 402,1185},{ 948,1385},{1121, 555},{1802,1509},
340 { 474, 886},{1888, 610},{ 739, 585},{1231,2379},
341 { 661,1335},{ 205,2211},{ 823, 822},{2480,1179}};
343 static const qcelp_vector qcelp_lspvq4[64]= {
344 { 348, 311},{ 812,1145},{ 552, 461},{1826, 263},
345 { 601, 675},{1730, 172},{1523, 193},{2449, 277},
346 { 334, 668},{ 805,1441},{1319, 207},{1684, 910},
347 { 582,1318},{1403,1098},{ 979, 832},{2700,1359},
348 { 624, 228},{1292, 979},{ 800, 195},{2226, 285},
349 { 730, 862},{1537, 601},{1115, 509},{2720, 354},
350 { 218,1167},{1212,1538},{1074, 247},{1674,1710},
351 { 322,2142},{1263, 777},{ 981, 556},{2119,1710},
352 { 193, 596},{1035, 957},{ 694, 397},{1997, 253},
353 { 743, 603},{1584, 321},{1346, 346},{2221, 708},
354 { 451, 732},{1040,1415},{1184, 230},{1853, 919},
355 { 310,1661},{1625, 706},{ 856, 843},{2902, 702},
356 { 467, 348},{1108,1048},{ 859, 306},{1964, 463},
357 { 560,1013},{1425, 533},{1142, 634},{2391, 879},
358 { 397,1084},{1345,1700},{ 976, 248},{1887,1189},
359 { 644,2087},{1262, 603},{ 877, 550},{2203,1307}};
361 static const qcelp_vector qcelp_lspvq5[64]= {
362 { 360, 222},{ 820,1097},{ 601, 319},{1656, 198},
363 { 604, 513},{1552, 141},{1391, 155},{2474, 261},
364 { 269, 785},{1463, 646},{1123, 191},{2015, 223},
365 { 785, 844},{1202,1011},{ 980, 807},{3014, 793},
366 { 570, 180},{1135,1382},{ 778, 256},{1901, 179},
367 { 807, 622},{1461, 458},{1231, 178},{2028, 821},
368 { 387, 927},{1496,1004},{ 888, 392},{2246, 341},
369 { 295,1462},{1156, 694},{1022, 473},{2226,1364},
370 { 210, 478},{1029,1020},{ 722, 181},{1730, 251},
371 { 730, 488},{1465, 293},{1303, 326},{2595, 387},
372 { 458, 584},{1569, 742},{1029, 173},{1910, 495},
373 { 605,1159},{1268, 719},{ 973, 646},{2872, 428},
374 { 443, 334},{ 835,1465},{ 912, 138},{1716, 442},
375 { 620, 778},{1316, 450},{1186, 335},{1446,1665},
376 { 486,1050},{1675,1019},{ 880, 278},{2214, 202},
377 { 539,1564},{1142, 533},{ 984, 391},{2130,1089}};
379 static const qcelp_vector * const qcelp_lspvq[5] = {
388 * the final gain scalefactor before clipping into a usable output float
390 #define QCELP_SCALE 8192.
393 * table for computing Ga (decoded linear codebook gain magnitude)
395 * @note The table could fit in int16_t in x*8 form, but it seems
396 * to be slower on x86
398 * TIA/EIA/IS-733 2.4.6.2.1-3
401 static const float qcelp_g12ga[61] = {
402 1.000/QCELP_SCALE, 1.125/QCELP_SCALE, 1.250/QCELP_SCALE, 1.375/QCELP_SCALE,
403 1.625/QCELP_SCALE, 1.750/QCELP_SCALE, 2.000/QCELP_SCALE, 2.250/QCELP_SCALE,
404 2.500/QCELP_SCALE, 2.875/QCELP_SCALE, 3.125/QCELP_SCALE, 3.500/QCELP_SCALE,
405 4.000/QCELP_SCALE, 4.500/QCELP_SCALE, 5.000/QCELP_SCALE, 5.625/QCELP_SCALE,
406 6.250/QCELP_SCALE, 7.125/QCELP_SCALE, 8.000/QCELP_SCALE, 8.875/QCELP_SCALE,
407 10.000/QCELP_SCALE, 11.250/QCELP_SCALE, 12.625/QCELP_SCALE, 14.125/QCELP_SCALE,
408 15.875/QCELP_SCALE, 17.750/QCELP_SCALE, 20.000/QCELP_SCALE, 22.375/QCELP_SCALE,
409 25.125/QCELP_SCALE, 28.125/QCELP_SCALE, 31.625/QCELP_SCALE, 35.500/QCELP_SCALE,
410 39.750/QCELP_SCALE, 44.625/QCELP_SCALE, 50.125/QCELP_SCALE, 56.250/QCELP_SCALE,
411 63.125/QCELP_SCALE, 70.750/QCELP_SCALE, 79.375/QCELP_SCALE, 89.125/QCELP_SCALE,
412 100.000/QCELP_SCALE, 112.250/QCELP_SCALE, 125.875/QCELP_SCALE, 141.250/QCELP_SCALE,
413 158.500/QCELP_SCALE, 177.875/QCELP_SCALE, 199.500/QCELP_SCALE, 223.875/QCELP_SCALE,
414 251.250/QCELP_SCALE, 281.875/QCELP_SCALE, 316.250/QCELP_SCALE, 354.875/QCELP_SCALE,
415 398.125/QCELP_SCALE, 446.625/QCELP_SCALE, 501.125/QCELP_SCALE, 563.375/QCELP_SCALE,
416 631.000/QCELP_SCALE, 708.000/QCELP_SCALE, 794.375/QCELP_SCALE, 891.250/QCELP_SCALE,
417 1000.000/QCELP_SCALE};
420 * circular codebook for rate 1 frames in x*100 form
422 * TIA/EIA/IS-733 2.4.6.1-2
424 static const int16_t qcelp_rate_full_codebook[128] = {
425 10, -65, -59, 12, 110, 34, -134, 157,
426 104, -84, -34, -115, 23, -101, 3, 45,
427 -101, -16, -59, 28, -45, 134, -67, 22,
428 61, -29, 226, -26, -55, -179, 157, -51,
429 -220, -93, -37, 60, 118, 74, -48, -95,
430 -181, 111, 36, -52, -215, 78, -112, 39,
431 -17, -47, -223, 19, 12, -98, -142, 130,
432 54, -127, 21, -12, 39, -48, 12, 128,
433 6, -167, 82, -102, -79, 55, -44, 48,
434 -20, -53, 8, -61, 11, -70, -157, -168,
435 20, -56, -74, 78, 33, -63, -173, -2,
436 -75, -53, -146, 77, 66, -29, 9, -75,
437 65, 119, -43, 76, 233, 98, 125, -156,
438 -27, 78, -9, 170, 176, 143, -148, -7,
439 27, -136, 5, 27, 18, 139, 204, 7,
440 -184, -197, 52, -3, 78, -189, 8, -65
442 #define QCELP_RATE_FULL_CODEBOOK_RATIO .01
445 * circular codebook for rate 1/2 frames in x*2 form
447 * TIA/EIA/IS-733 2.4.6.1-1
449 static const int8_t qcelp_rate_half_codebook[128] = {
450 0, -4, 0, -3, 0, 0, 0, 0,
451 0, 0, 0, 0, 0, 0, 0, 0,
452 0, -3, -2, 0, 0, 0, 0, 0,
453 0, 0, 0, 0, 0, 0, 0, 5,
454 0, 0, 0, 0, 0, 0, 4, 0,
455 0, 3, 2, 0, 3, 4, 0, 0,
456 0, 0, 0, 0, 0, 0, 0, 0,
457 0, 0, 0, 0, 0, 3, 0, 0,
458 -3, 3, 0, 0, -2, 0, 3, 0,
459 0, 0, 0, 0, 0, 0, -5, 0,
460 0, 0, 0, 3, 0, 0, 0, 3,
461 0, 0, 0, 0, 0, 0, 0, 4,
462 0, 0, 0, 0, 0, 0, 0, 0,
463 0, 3, 6, -3, -4, 0, -3, -3,
464 3, -3, 0, 0, 0, 0, 0, 0,
465 0, 0, 0, 0, 0, 0, 0, 0
467 #define QCELP_RATE_HALF_CODEBOOK_RATIO 0.5
470 * sqrt(1.887) is the maximum of the pseudorandom
471 * white sequence used to generate the scaled codebook
472 * vector for framerate 1/4.
474 * TIA/EIA/IS-733 2.4.8.1.2
476 #define QCELP_SQRT1887 1.373681186
479 * table for impulse response of BPF used to filter
480 * the white excitation for framerate 1/4 synthesis
482 * Only half the tables are needed because of symetry.
484 * TIA/EIA/IS-733 2.4.8.1.2-1.1
486 static const double qcelp_rnd_fir_coefs[11] = {
487 -1.344519e-1, 1.735384e-2, -6.905826e-2, 2.434368e-2,
488 -8.210701e-2, 3.041388e-2, -9.251384e-2, 3.501983e-2,
489 -9.918777e-2, 3.749518e-2, 8.985137e-1
492 #endif /* AVCODEC_QCELPDATA_H */