g723codec.c

视频会议源码

  -1288,   -459,     84,
  -1853,   -484,   -274,
  -1554,   -731,    825,
  -2425,   -234,    382,
  -1722,    293,   -271,
  -2515,    425,   -564,
  -2599,    818,    464,
   -358,    118,   -375,
   -613,    198,   -874,
   -690,    683,   -324,
  -1352,   1155,   -168,
  -1093,    129,   -324,
  -1184,    611,   -858,
    433,    386,   -372,
   -120,    486,   -634,
    234,    851,   -631,
    602,    128,     46,
   1099,    410,    159,
    715,   -145,   -424,
   1198,    -85,   -593,
   1390,    367,   -358,
   1683,    362,   -964,
   1711,    622,     45,
   2033,    833,   -383,
   2890,    549,   -506,
      7,    401,     52,
     72,    811,    415,
    566,    668,     41,
    467,   1218,    130,
     68,    957,   -187,
    -25,   1649,   -103,
   -661,    260,    214,
   -925,    -94,    612,
   -321,   -422,    965,
   -788,   -672,   1783,
    400,   -673,    779,
    741,   -595,   1635,
   -161,    307,    657,
   -382,    836,    871,
   -814,    400,   1223,
    364,    606,   1247,
     57,     75,   1571,
    151,    471,   2287,
    -81,   1021,   1502,
    227,   1470,   1097,
    658,   1275,   1653,
    664,   1478,   2377,
    263,   -127,    444,
    264,     89,    969,
    794,    171,    576,
    821,    186,   1226,
    404,    462,    517,
    339,    918,    794,
   1280,   1423,    196,
   1453,   2019,    365,
   1615,   1481,    672,
   2394,   1708,    508,
    806,   1238,    573,
    713,   1158,   1078,
   1285,   1436,   1232,
   1790,   1188,   1141,
    765,    643,    864,
   1032,    797,   1279,
    900,    563,   1827,
   1514,    673,   2312,
   1544,   1129,   3240,
   1469,   1050,   1594,
   1945,   1318,   1988,
   2397,   2026,   2060,
   3538,   2057,   2620,
   1249,   -118,     74,
   1727,    194,    421,
   2078,    -50,   -463,
    970,    688,   -432,
   1149,    952,   -110,
   1254,   1275,   -651,
   1386,    929,    401,
   1960,   1167,    232,
    407,   -752,   -243,
    859,  -1118,    172,
   -227,   -860,   -992,
   -796,  -1175,  -1380,
      8,  -1282,   -388,
    353,  -1781,  -1037,
   -732,   -397,   -807,
   -853,    -28,  -1342,
  -1229,  -1207,  -1959,
  -1015,  -1125,  -2543,
  -1452,  -1791,  -2725,
  -1891,  -2416,  -3269,
   -918,  -1629,   -783,
   -580,  -2155,   -698,
  -1097,  -2364,    -96,
  -1387,  -1513,      7,
  -1588,  -2076,   -664,
  -1473,  -2740,   -784,
  -2378,  -3149,    -56,
  -2856,  -2092,   -169,
  -3391,  -3708,    316,
  -1176,   -890,   -614,
  -1944,  -1061,   -800,
   -299,  -1517,  -1000,
   -640,  -1850,  -1526,
  -1454,  -1536,  -1233,
  -1890,  -1955,  -1756,
  -1086,  -1921,  -2122,
   -750,  -2325,  -2260,
  -1325,  -2413,  -2673,
  -1114,  -2542,  -3459,
  -1341,  -2901,  -3963,
  -1160,  -2226,  -1393,
  -1001,  -2772,  -1573,
  -1594,  -2641,  -1978,
  -1534,  -3046,  -2624,
  -2224,  -2196,   -675,
  -2807,  -3054,  -1102,
  -2008,  -2840,  -1186,
  -1980,  -3332,  -1695,
  -1715,  -3562,   -505,
  -2527,  -4000,  -1887,
  -2333,  -2734,  -2296,
  -3440,  -2401,  -3211,
  -2008,  -3528,  -3337,
  -2247,  -3291,  -4510,
   -475,    949,    155,
   -149,   1365,    545,
   -757,   1644,   1083,
   -217,   2053,   1353,
  -1433,   2301,   1462,
    495,   1661,    529,
     10,   2037,    740,
   2082,   1898,    978,
   2831,   2294,    911,
    842,    793,    420,
   1223,   1023,    863,
   1237,    451,    780,
   1744,    708,    822,
   1533,    284,   1384,
   2135,    609,   1538,
   2305,    626,    540,
   2368,   1187,    955,
   2586,   1255,     -7,
   3116,   1131,    726,
   3431,   1730,    428,
   2734,   1648,   1307,
   2988,   1231,   2010,
   3523,   2024,   1488,
   1034,   1657,    871,
   1206,   2163,   1036,
   1807,   2372,   1233,
   1808,   1769,   1493,
   1573,   2332,   1779,
   1216,   1609,   1866,
   1480,   1898,   2513,
    465,   2708,   2776,
    771,   3638,   3338,
   1869,   2599,   2623,
   2825,   2745,   2468,
   2638,   2439,   1585,
   2094,   2970,   1308,
   2022,   3057,   1999,
   3428,   2912,   1816,
   4536,   2974,   2129,
   1046,   2563,   2086,
   1363,   3562,   2318,
   2511,   1891,   2984,
   1866,   2306,   3986,
   3272,   2924,   3682,
   3146,   3564,   2272,
   3592,   3968,   2822,
   2431,   3369,   3069,
   1931,   4709,   3090,
   2629,   4220,   3986,
   4639,   4056,   3664,
   4035,   5334,   4912,
   } ;


/*
**  Band2Tb8:
**
**  Purpose:
**      Vector Quantize the last 4-vector of the 10 LSP parameters.
**
**  Table Structure:
**      8 bit, 256 entry table.
*/

short  Band2Tb8[LspCbSize*4] = {
      0,      0,      0,      0,
    601,    512,   -542,    334,
    428,   1087,   -484,   -132,
    652,    622,   -391,   -572,
    378,    799,    141,   -860,
   1040,    409,    112,   -554,
   1123,    670,    -75,   -847,
   1421,    494,   -315,  -1095,
    787,   1001,    114,   -460,
    988,   1672,    216,   -681,
   1007,   1241,   -132,  -1247,
   1073,    399,    186,     -5,
   1262,    193,   -694,   -129,
    325,    196,     51,   -641,
    861,    -59,    350,   -458,
   1261,    567,    586,   -346,
   1532,    885,    210,   -517,
   2027,    937,    113,   -792,
   1383,   1064,    334,     38,
   1964,   1468,    459,    133,
   2062,   1186,    -98,   -121,
   2577,   1445,    506,   -373,
   2310,   1682,     -2,   -960,
   2876,   1939,    765,    138,
   3581,   2360,    649,   -414,
    219,    176,   -398,   -309,
    434,    -78,   -435,   -880,
   -344,    301,    265,   -552,
   -915,    470,    657,   -380,
    419,   -432,   -163,   -453,
    351,   -953,      8,   -562,
    789,    -43,     20,   -958,
    302,   -594,   -352,  -1159,
   1040,    108,   -668,   -924,
   1333,    210,  -1217,  -1663,
    483,    589,   -350,  -1140,
   1003,    824,   -802,  -1184,
    745,     58,   -589,  -1443,
    346,    247,   -915,  -1683,
    270,    796,   -720,  -2043,
   1208,    722,   -222,   -193,
   1486,   1180,   -412,   -672,
   1722,    179,    -69,   -521,
   2047,    860,   -666,  -1410,
   -146,    222,   -281,   -805,
   -189,     90,   -114,  -1307,
   -152,   1086,   -241,   -764,
   -439,    733,   -601,  -1302,
   -833,   -167,   -351,   -601,
   -856,   -422,   -411,  -1059,
   -747,   -355,   -582,  -1644,
   -837,    210,   -916,  -1144,
  -1800,     32,   -878,  -1687,
    -48,    -23,  -1146,     52,
   -350,   -409,  -1656,   -364,
    265,   -728,   -858,   -577,
    458,   -247,  -1141,   -997,
    691,   -407,  -1988,  -1161,
    -66,   -104,   -705,  -1249,
   -431,    -93,  -1191,  -1844,
    203,   -732,  -1000,  -1693,
     10,   -832,  -1846,  -1819,
    493,   -128,  -1436,  -1768,
    488,   -311,  -1730,  -2540,
   -653,   -532,  -1150,  -1172,
  -1086,   -289,  -1706,  -1533,
   -699,  -1205,  -1216,  -1766,
  -1032,  -1481,  -2074,  -1523,
   -721,  -1220,  -2277,  -2600,
     12,   -539,  -1484,  -1131,
    -40,   -911,  -2106,   -441,
   -471,   -484,  -2267,  -1549,
   -141,   -988,  -3006,  -1721,
  -1545,  -2102,   -583,    342,
  -1383,  -2772,   -386,    -13,
  -2118,  -2589,  -1205,     72,
  -2147,  -3231,   -965,    390,
  -2949,  -3300,   -621,    637,
  -3907,  -4138,   -865,    803,
  -1287,   -845,   -375,   -548,
  -1416,  -1169,   -487,  -1277,
  -1400,  -1690,  -1027,   -418,
  -2018,  -1909,  -1188,  -1260,
  -1418,  -2222,  -2029,   -128,
  -2067,  -2998,  -2693,   -310,
   -950,  -1028,  -1538,    185,
  -1616,   -915,  -2205,   -549,
     19,   -821,  -1145,    352,
    184,  -1175,  -1356,   -627,
   -547,  -1088,  -1661,   -911,
   -216,  -1502,  -2197,   -948,
   -795,  -1306,  -2374,   -451,
   -924,  -1889,  -2796,   -680,
   -600,  -1614,  -3609,   -885,
  -2392,  -2528,    319,    303,
  -2908,  -2095,   -310,    573,
  -3460,  -2141,     49,   -113,
  -2231,   -448,    675,   -146,
  -2805,   -532,   1231,    479,
  -2684,   -486,   -200,    611,
  -3525,   -971,   -198,    704,
  -3707,    173,    349,    254,
  -4734,  -1447,    -34,    880,
    777,   -512,    114,    -10,
   1250,    -66,    442,     -5,
    604,    613,    452,   -352,
   1224,    777,    675,  -1014,
  -1372,    -79,  -1208,   -238,
  -2389,    -17,  -1157,   -818,
  -1504,   -673,  -1133,  -1060,
  -1984,   -799,  -2005,  -1973,
  -2037,   -798,  -1068,   -105,
  -3190,   -899,  -1817,   -194,
   -156,   -886,    394,   -318,
   -258,  -1283,    551,    202,
   -536,  -1729,    910,    331,
   -847,  -1109,    795,   -163,
  -1171,  -1128,    715,    519,
  -1080,  -1319,   1685,    668,
  -1000,  -1921,     96,    211,
  -1487,  -2148,    831,    174,
  -1139,   -374,    414,     -4,
  -1517,  -1383,    396,   -352,
  -1012,    439,    -59,   -967,
  -1812,    706,   -440,  -1030,
  -1971,   -329,    -34,   -827,
  -2472,  -1588,   -151,   -606,
  -2161,    374,   -281,     76,
  -3012,    231,    -15,   -690,
   1104,    566,    721,    209,
   1685,    564,    383,     98,
   1898,    750,    792,    -97,
    556,    -64,    561,    -93,
    876,    162,    913,    -22,
    961,    675,   1296,    140,
    756,   -396,    851,    544,
    360,   -303,   1341,    396,
    878,    -22,   1464,    863,
   -309,   -273,    642,   -129,
   -686,    -82,    842,    454,
     -5,    -47,   1069,    998,
    -94,    967,   1277,    298,
   -489,    385,   1473,    746,
   -369,   -717,   1333,    242,
    281,   -993,   1726,    924,
    464,    601,   1575,   1376,
   -250,    206,   2339,   1175,
   -438,    377,   -597,   -285,
  -1020,    787,   -790,   -287,
   -458,   -410,    215,    295,
   -589,   -860,   -121,    797,
  -1175,    122,   -437,    466,
  -1480,   -121,    367,    924,
    234,    323,    770,   -555,
    145,     30,    996,     26,
     66,    849,     93,   -145,
   -117,   1261,    474,   -399,
  -1495,   1051,    218,   -506,
  -1390,    694,    994,     88,
    616,      7,     78,    304,
   1060,     52,    -62,    835,
    833,    454,    649,   1359,
   -770,    464,     47,     93,
   -574,   1199,    -39,    379,
    114,    -98,    488,    485,
    727,    244,    606,    696,
    -76,    455,    671,    546,
   -565,    -13,    145,    819,
   -376,    569,    448,   1128,
    218,    122,    265,   1167,
    230,    738,    932,   1003,
    138,    477,     36,    450,
    404,    787,    -73,   1000,
    497,   1259,    387,   1231,
     17,    207,    195,    -79,
    562,    358,     53,   -158,
    493,    387,    478,    189,
    678,    831,    640,    558,
   -197,    523,    613,     57,
    429,    894,    769,    111,
     67,   1174,    568,    511,
   1242,    824,    251,    840,
   1419,   1074,    864,    481,
    924,   1474,    669,    724,
   1539,   1879,    654,   1590,
    445,    337,   1111,    541,
    472,   1421,   1264,   1094,
    794,    735,   1103,    668,
   1055,    863,   1192,   1020,
    778,   1105,    806,   1798,
   1052,   1527,   1587,   2151,
    881,   1552,   1265,    391,
    726,    872,   1812,    601,
   1469,    280,   1008,    616,
   1403,    577,   1803,   1244,
   1650,   1314,   1148,   1072,
   1297,   1669,   1911,   1026,
   2093,   1044,   2115,   1189,
   1644,   1961,   2587,   1512,
     25,   -315,     -9,   -106,
    290,   -339,    428,   -444,
    -68,   -783,    735,    772,
    245,   -555,    468,     47,
    334,   -895,    814,    146,
    235,    368,   -964,   -959,
   -203,    315,  -1566,  -1217,
    801,     17,   -276,   -354,
    894,   -495,   -789,   -635,
    716,    291,  -1189,   -357,
    560,   -260,   -733,     -2,
    679,   -508,  -1429,    211,
    -51,    -62,   -428,    557,
    322,   -638,   -211,    614,
   -878,  -1057,    -84,    -71,
   -388,  -1415,   -167,   -318,
   -754,  -1574,    214,   -539,
  -1419,  -2004,    -92,   -787,
    -47,   -856,   -347,   -255,
     23,  -1211,   -173,    320,
   -658,   -487,   -893,    353,
   -783,  -1587,   -584,    507,
  -1420,   -859,   -378,    441,
  -2095,  -1491,   -137,    439,
   -321,  -1450,  -1288,    -12,
   -359,  -2113,   -553,     -8,
   -831,  -1918,  -1561,     32,
  -1014,  -2487,  -1359,   -939,
   -475,   -311,   -169,   -236,
   -907,   -426,    276,   -611,
    -96,   -400,     50,   -710,
   -426,  -1022,    -10,   -985,
   -197,   -258,   -744,   -575,
   -611,   -930,   -771,   -394,
   -267,   -776,   -612,   -939,
   -256,  -1346,   -802,  -1122,
   -796,  -1570,   -825,   -754,
    712,    876,    141,    227,
    981,   1509,     85,    124,
   1462,   1228,    979,    -39,
   1734,    999,   1481,    440,
   2293,   1116,    769,    440,
   2504,   1480,   1241,    356,
   2474,   1909,   1558,    810,
    917,   1134,    607,   -134,
    509,   1809,    781,   -123,
   1712,   1506,    559,   -423,
   2037,   2317,    726,   -155,
   3031,   2676,   1203,    331,
   3664,   3274,   1768,    531,
   1610,   1839,    867,    183,
   1774,   1972,   1538,     97,
   1822,   2158,   1282,    659,
   2222,   2758,   1818,    900,
   3251,   2124,   1723,    996,
   3633,   2336,   2408,   1453,
   2923,   3517,   2567,   1318,
   } ;

IppSpchBitRate rate_vec[2] = {IPP_SPCHBR_6300,IPP_SPCHBR_5300};


short   LspDcTable[lpclen] = {
   0x0c3b,0x1271,0x1e0a,0x2a36,0x3630,0x406f,0x4d28,0x56f4,0x638c,0x6c46 
};


short   PerFiltZeroTable[lpclen] = {
   29491,26542,23888,21499,19349,17414,15673,14106,12695,11425 ,
};

short   PerFiltPoleTable[lpclen] = {
   16384, 8192, 4096, 2048, 1024,  512,  256,  128,   64,   32 ,
};


short   PostFiltTable[2*lpclen] = {
   21299 ,  13844,8999,5849,3802,2471,1606,1044, 679, 441 , /* Zero part */
   24576,18432,13824,10368,7776,5832,4374,3281,2460,1845 , /* Pole part */
};

short   Nb_puls[4] = { 6,5,6,5};

short   FcbkGainTa