largefilter.h

一个开源的sip源代码

/* Included by resamplesubs.c */
#define LARGE_FILTER_NMULT ((RES_HWORD)65)
#define LARGE_FILTER_SCALE 14746 /* Unity-gain scale factor */
#define LARGE_FILTER_NWING 8192 /* Filter table length */
static const RES_HWORD LARGE_FILTER_IMP[] /* Impulse response */ = {
32767,
32766,
32764,
32761,
32756,
32750,
32743,
32734,
32724,
32713,
32700,
32686,
32671,
32654,
32636,
32617,
32596,
32574,
32551,
32526,
32500,
32473,
32445,
32415,
32383,
32351,
32317,
32282,
32246,
32208,
32169,
32129,
32087,
32044,
32000,
31955,
31908,
31860,
31811,
31760,
31708,
31655,
31601,
31545,
31489,
31431,
31371,
31311,
31249,
31186,
31122,
31056,
30990,
30922,
30853,
30783,
30711,
30639,
30565,
30490,
30414,
30337,
30258,
30179,
30098,
30016,
29933,
29849,
29764,
29677,
29590,
29501,
29411,
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29229,
29136,
29042,
28947,
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28655,
28556,
28456,
28354,
28252,
28149,
28044,
27939,
27833,
27725,
27617,
27508,
27398,
27287,
27175,
27062,
26948,
26833,
26717,
26601,
26483,
26365,
26246,
26125,
26005,
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25760,
25637,
25512,
25387,
25261,
25135,
25007,
24879,
24750,
24620,
24490,
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24226,
24094,
23960,
23826,
23691,
23556,
23420,
23283,
23146,
23008,
22869,
22730,
22590,
22449,
22308,
22166,
22024,
21881,
21738,
21594,
21449,
21304,
21159,
21013,
20866,
20719,
20572,
20424,
20275,
20127,
19977,
19828,
19678,
19527,
19376,
19225,
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18921,
18769,
18616,
18463,
18310,
18157,
18003,
17849,
17694,
17539,
17384,
17229,
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16918,
16762,
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16450,
16294,
16137,
15980,
15823,
15666,
15509,
15352,
15195,
15037,
14880,
14722,
14564,
14407,
14249,
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13933,
13775,
13618,
13460,
13302,
13144,
12987,
12829,
12671,
12514,
12356,
12199,
12042,
11885,
11728,
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11414,
11257,
11101,
10945,
10789,
10633,
10477,
10322,
10167,
10012,
9857,
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9548,
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9241,
9087,
8934,
8781,
8629,
8477,
8325,
8174,
8023,
7872,
7722,
7572,
7422,
7273,
7124,
6976,
6828,
6681,
6534,
6387,
6241,
6096,
5951,
5806,
5662,
5518,
5375,
5233,
5091,
4949,
4808,
4668,
4528,
4389,
4250,
4112,
3975,
3838,
3702,
3566,
3431,
3297,
3163,
3030,
2898,
2766,
2635,
2505,
2375,
2246,
2118,
1990,
1864,
1738,
1612,
1487,
1364,
1240,
1118,
996,
875,
755,
636,
517,
400,
283,
166,
51,
-63,
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-2527,
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-2229,
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-2050,
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-1512,
-1452,
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-1333,
-1273,
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-335,
-277,
-220,
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-106,
-49,
6,
63,
119,
175,
230,
286,
341,
396,
450,
505,
559,
613,
667,
720,
773,
826,
878,
931,
983,
1034,
1086,
1137,
1187,
1238,
1288,
1337,
1387,
1436,
1484,
1533,
1581,
1628,
1675,
1722,
1769,
1815,
1861,
1906,
1951,
1996,
2040,
2084,
2127,
2170,
2212,
2255,
2296,
2338,
2378,
2419,
2459,
2498,
2538,
2576,
2615,
2652,
2690,
2727,
2763,
2799,
2834,
2870,
2904,
2938,
2972,
3005,
3038,
3070,
3102,
3133,
3164,
3194,
3224,
3253,
3282,
3310,
3338,
3365,
3392,
3418,
3444,
3469,
3494,
3518,
3542,
3566,
3588,
3611,
3632,
3653,
3674,
3694,
3714,
3733,
3752,
3770,
3788,
3805,
3821,
3837,
3853,
3868,
3882,
3896,
3910,
3923,
3935,
3947,
3958,
3969,
3980,
3989,
3999,
4007,
4016,
4023,
4031,
4037,
4044,
4049,
4054,
4059,
4063,
4067,
4070,
4073,
4075,
4076,
4077,
4078,
4078,
4078,
4077,
4076,
4074,
4071,
4068,
4065,
4061,
4057,
4052,
4047,
4041,
4035,
4028,
4021,
4013,
4005,
3997,
3988,
3978,
3968,
3958,
3947,
3936,
3924,
3912,
3899,
3886,
3872,
3858,
3844,
3829,
3814,
3798,
3782,
3766,
3749,
3731,
3714,
3696,
3677,
3658,
3639,
3619,
3599,
3578,
3558,
3536,
3515,
3493,
3470,
3448,
3425,
3401,
3378,
3353,
3329,
3304,
3279,
3254,
3228,
3202,
3175,
3149,
3122,
3094,
3067,
3039,
3011,
2982,
2953,
2924,
2895,
2865,
2835,
2805,
2775,
2744,
2713,
2682,
2651,
2619,
2587,
2555,
2523,
2490,
2457,
2424,
2391,
2358,
2324,
2290,
2256,
2222,
2188,
2153,
2119,
2084,
2049,
2014,
1978,
1943,
1907,
1872,
1836,
1800,
1764,
1727,
1691,
1655,
1618,
1581,
1545,
1508,
1471,
1434,
1397,
1360,
1322,
1285,
1248,
1210,
1173,
1135,
1098,
1060,
1023,
985,
947,
910,
872,
834,
797,
759,
721,
684,
646,
608,
571,
533,
496,
458,
421,
383,
346,
308,
271,
234,
197,
160,
123,
86,
49,
12,
-23,
-60,
-96,
-133,
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-205,
-241,
-277,
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-384,
-419,
-455,
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-525,
-559,
-594,
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-663,
-697,
-731,
-765,
-798,
-832,
-865,
-898,
-931,
-963,
-996,
-1028,
-1060,
-1092,
-1124,
-1155,
-1186,
-1217,
-1248,
-1279,
-1309,
-1339,
-1369,
-1398,
-1428,
-1457,
-1486,
-1514,
-1542,
-1571,
-1598,
-1626,
-1653,
-1680,
-1707,
-1733,
-1760,
-1785,
-1811,
-1836,
-1862,
-1886,
-1911,
-1935,
-1959,
-1982,
-2006,
-2029,
-2051,
-2074,
-2096,
-2118,
-2139,
-2160,
-2181,
-2202,
-2222,
-2242,
-2261,
-2280,
-2299,
-2318,
-2336,
-2354,
-2372,
-2389,
-2406,
-2423,
-2439,
-2455,
-2470,
-2486,
-2500,
-2515,
-2529,
-2543,
-2557,
-2570,
-2583,
-2595,
-2607,
-2619,
-2631,
-2642,
-2652,
-2663,
-2673,
-2683,
-2692,
-2701,
-2710,
-2718,
-2726,
-2734,
-2741,
-2748,
-2754,
-2760,
-2766,
-2772,
-2777,
-2782,
-2786,
-2790,
-2794,
-2797,
-2800,
-2803,
-2805,
-2807,
-2809,
-2810,
-2811,
-2812,
-2812,
-2812,
-2812,
-2811,
-2810,
-2808,
-2807,
-2804,
-2802,
-2799,
-2796,
-2792,
-2789,
-2785,
-2780,
-2775,
-2770,
-2765,
-2759,
-2753,
-2746,
-2740,
-2732,
-2725,
-2717,
-2709,
-2701,
-2692,
-2683,
-2674,
-2664,
-2655,
-2644,
-2634,
-2623,
-2612,
-2601,
-2589,
-2577,
-2565,
-2552,
-2539,
-2526,
-2513,
-2499,
-2485,
-2471,
-2457,
-2442,
-2427,
-2412,
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-2380,
-2364,
-2348,
-2331,
-2315,
-2297,
-2280,
-2263,
-2245,
-2227,
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-2114,
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-1843,
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-1519,
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-1470,
-1445,
-1421,
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-1371,
-1346,
-1321,
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-1219,
-1193,
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-1142,
-1116,
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-1037,
-1011,
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-958,
-932,
-905,
-879,
-852,
-826,
-799,
-772,
-745,
-719,
-692,
-665,
-638,
-611,
-584,
-557,
-530,
-503,
-476,
-449,
-422,
-395,
-368,
-341,
-314,
-287,
-260,
-234,
-207,
-180,
-153,
-126,
-100,
-73,
-46,
-20,
6,
32,
59,
85,
111,
138,
164,
190,
216,
242,
268,
294,
319,
345,
370,
396,
421,
446,
471,
496,
521,
546,
571,
595,
619,
644,
668,
692,
716,
739,
763,
787,
810,
833,
856,
879,
902,
924,
947,
969,
991,
1013,
1035,
1056,
1078,
1099,
1120,
1141,
1162,
1182,
1202,
1223,
1243,
1262,
1282,
1301,
1320,
1339,
1358,
1377,
1395,
1413,
1431,
1449,
1467,
1484,
1501,
1518,
1535,
1551,
1567,
1583,
1599,
1615,
1630,
1645,
1660,
1674,
1689,
1703,
1717,
1731,
1744,
1757,
1770,
1783,
1795,
1808,
1820,
1831,
1843,
1854,
1865,
1876,
1886,
1897,
1907,
1916,
1926,
1935,
1944,
1953,
1961,
1970,
1978,
1985,
1993,
2000,
2007,
2014,
2020,
2026,
2032,
2038,
2043,
2048,
2053,
2058,
2062,
2066,
2070,
2073,
2077,
2080,
2083,
2085,
2087,
2089,
2091,
2093,
2094,
2095,
2095,
2096,
2096,
2096,
2096,
2095,
2094,
2093,
2092,
2090,
2088,
2086,
2084,
2081,
2079,
2075,
2072,
2069,
2065,
2061,
2056,
2052,
2047,
2042,
2037,
2031,
2025,
2019,
2013,
2006,
2000,
1993,
1986,
1978,
1971,
1963,
1955,
1946,
1938,
1929,
1920,
1911,
1901,
1892,
1882,
1872,
1862,
1851,
1841,
1830,
1819,
1807,
1796,
1784,
1772,
1760,
1748,
1735,
1723,
1710,
1697,
1684,
1670,
1657,
1643,
1629,
1615,
1601,
1586,
1572,
1557,
1542,
1527,
1512,
1496,
1481,
1465,
1449,
1433,
1417,
1401,
1384,
1368,
1351,
1334,
1317,
1300,
1283,
1265,
1248,
1230,
1212,
1195,
1177,
1159,
1140,
1122,
1104,
1085,
1067,
1048,
1029,
1010,
991,
972,
953,
934,
915,
895,
876,
856,
837,
817,
797,
777,
758,
738,
718,
698,
678,
658,
637,
617,
597,
577,
556,
536,
516,
495,
475,
454,
434,
414,
393,
373,
352,
332,
311,
291,
270,
250,
229,
208,
188,
168,
147,
127,
106,
86,
65,
45,
25,
5,
-15,
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-1550,
-1555,
-1560,
-1566,
-1570,
-1575,
-1579,
-1584,
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