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Convert table to integer.

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Originally committed as revision 15292 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Vitor Sessak 17 years ago
parent ff9a056d1a
commit fd8897e803
2 changed files with 66 additions and 130 deletions
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  1. 2
      libavcodec/ra288.c
  2. 194
      libavcodec/ra288.h

2
libavcodec/ra288.c
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@ -93,7 +93,7 @@ static void decode(RA288Context *ractx, float gain, int cb_coef)
sumsum = exp(sum * 0.1151292546497) * gain; /* pow(10.0,sum/20)*gain */
for (i=0; i < 5; i++)
buffer[i] = codetable[cb_coef][i] * sumsum;
buffer[i] = codetable[cb_coef][i] * sumsum * (1./2048.);
sum = scalar_product_float(buffer, buffer, 5) / 5;

194
libavcodec/ra288.h
Unescape View File

@ -27,135 +27,71 @@ static const float amptable[8]={
-0.515625, -0.90234375, -1.57910156, -2.76342773
};
static const float codetable[128][5]={
{ 0.326171875, -1.4404296875, -0.6123046875, -0.8740234375, -1.24658203125},
{-2.45703125, -2.23486328125, -0.51025390625, 1.419921875, 1.6201171875 },
{-1.37646484375, -1.30712890625, -0.462890625, -1.37939453125, -2.1728515625 },
{-3.26123046875, -0.166015625, 0.7236328125, -0.623046875, 0.6162109375 },
{-0.2744140625, -3.29931640625, 0.62548828125, 0.08740234375, -0.6220703125 },
{-1.2265625, -3.4814453125, -2.40478515625, 3.37548828125, 1.17724609375},
{-1.2099609375, -0.076171875, 2.28662109375, -1.89111328125, 0 },
{-4.0078125, 1.044921875, -0.2333984375, -1.35986328125, 0.26025390625},
{ 0.92236328125, 1.34716796875, 0.67431640625, -3.39599609375, -2.88720703125},
{ 2.4814453125, -1.201171875, -2.8212890625, 0.87744140625, 0.27734375 },
{-1.078125, -1.61572265625, -2.20849609375, -3.044921875, -3.66455078125},
{-1.32763671875, 2.1279296875, -1.458984375, -0.56103515625, 1.30078125 },
{ 0.61474609375, 0.48583984375, 1.32373046875, -1.203125, -5.0732421875 },
{ 0.8408203125, -3.69580078125, -1.3388671875, 1.06005859375, -1.13720703125},
{ 0.50390625, 0.36474609375, -0.4189453125, -3.8798828125, -6.27099609375},
{ 1.5166015625, 2.37109375, -2.04736328125, -1.24072265625, 0.50537109375},
{ 0.9091796875, -0.46875, -3.236328125, 0.2001953125, 2.8720703125 },
{-1.21728515625, -1.283203125, -1.953125, -0.029296875, 3.5166015625 },
{-1.3046875, 0.7060546875, 0.75, -1.87060546875, 0.60205078125},
{-2.5888671875, 3.375, 0.77587890625, -2.04443359375, 1.78955078125},
{-1.6875, -3.9892578125, -3.76416015625, 0.67578125, 2.2939453125 },
{-2.29443359375, -3.03173828125, -5.45703125, 3.95703125, 8.2177734375 },
{ 0.4541015625, 3.419921875, 0.61962890625, -4.38330078125, 1.25341796875},
{ 2.27001953125, 5.763671875, 1.68017578125, -2.76220703125, 0.58544921875},
{ 1.2412109375, -0.08935546875, -4.32568359375, -3.89453125, 1.5771484375 },
{-1.40234375, -0.98193359375, -4.74267578125, -4.09423828125, 6.33935546875},
{ 1.5068359375, 1.044921875, -1.796875, -4.70849609375, -1.4140625 },
{-3.71533203125, 3.18115234375, -1.11474609375, -1.2314453125, 3.091796875 },
{-1.62744140625, -2.744140625, -4.4580078125, -5.43505859375, 2.70654296875},
{-0.19873046875, -3.28173828125, -8.5283203125, -1.41064453125, 5.6484375 },
{ 1.802734375, 3.318359375, -0.1279296875, -5.2958984375, -0.90625 },
{ 3.55224609375, 6.544921875, -1.45947265625, -5.17333984375, 2.41015625 },
{ 0.119140625, -1.08349609375, 1.296875, 1.84375, -2.642578125 },
{-1.97412109375, -2.8974609375, 1.04052734375, 0.42138671875, -1.3994140625 },
{-1.6123046875, 0.85107421875, -0.9794921875, -0.0625, -1.001953125 },
{-3.10595703125, 1.6318359375, -0.77294921875, -0.01025390625, 0.5576171875 },
{-1.87353515625, -0.89404296875, 3.12353515625, 1.24267578125, -1.390625 },
{-4.556640625, -3.1875, 2.59228515625, 0.9697265625, -1.09619140625},
{-2.1923828125, 0.365234375, 0.94482421875, -1.47802734375, -0.24072265625},
{-4.51904296875, 2.6201171875, 1.55908203125, -2.19384765625, 0.87109375 },
{ 2.3359375, -0.1806640625, 0.9111328125, 0.51611328125, -0.92236328125},
{ 3.5849609375, -1.3134765625, -1.25830078125, 0.330078125, -0.29833984375},
{-0.2451171875, 1.09130859375, -0.9033203125, -0.86767578125, -1.00048828125},
{ 0.49365234375, 1.89453125, -1.20361328125, 1.07861328125, -0.07421875 },
{ 1.265625, 1.38134765625, 2.728515625, 1.38623046875, -3.5673828125 },
{-1.48876953125, -2.4013671875, 2.90771484375, 4.49267578125, -2.17138671875},
{ 0.34033203125, 1.908203125, 2.8310546875, -2.17333984375, -2.267578125 },
{-1.03564453125, 2.658203125, -1.2548828125, 0.15673828125, -0.5869140625 },
{ 1.3896484375, -1.0185546875, 1.724609375, 0.2763671875, -0.345703125 },
{-2.08935546875, 0.4638671875, 2.431640625, 1.83056640625, 0.220703125 },
{-1.212890625, 1.7099609375, 0.83935546875, -0.0830078125, 0.1162109375 },
{-1.67724609375, 0.12841796875, 1.0322265625, -0.97900390625, 1.15283203125},
{-3.5830078125, -0.58984375, 4.56396484375, -0.59375, -1.95947265625},
{-6.5908203125, -0.21435546875, 3.919921875, -2.06640625, 0.17626953125},
{-1.82080078125, 2.65283203125, 0.978515625, -2.30810546875, -0.61474609375},
{-1.9462890625, 3.78076171875, 4.11572265625, -1.80224609375, -0.48193359375},
{ 2.5380859375, -0.20654296875, 0.5615234375, -0.62548828125, 0.3984375 },
{ 3.61767578125, 2.00634765625, -1.92822265625, 1.3134765625, 0.0146484384313},
{ 0.6083984375, 1.49169921875, -0.01708984375, -0.6689453125, -0.1201171875 },
{-0.72705078125, 2.75146484375, -0.3310546875, -1.28271484375, 1.5478515625 },
{ 2.3583984375, -2.23876953125, 0.98046875, -0.5185546875, 0.39013671875},
{-0.06298828125, 0.35009765625, 2.2431640625, 7.29345703125, 5.2275390625 },
{ 0.20361328125, 1.34716796875, 0.9033203125, -2.46923828125, -0.56298828125},
{-1.89794921875, 3.59423828125, -2.81640625, 2.09228515625, 0.3251953125 },
{ 0.70458984375, -0.4580078125, 0.009765625, -1.03466796875, -0.82861328125},
{-1.8125, -1.6611328125, -1.080078125, 0.0537109375, 1.04296875 },
{-1.44140625, 0.005859375, -0.765625, -1.708984375, -0.90576171875},
{-0.64208984375, -0.84521484375, 0.56640625, -0.2724609375, 0.83447265625},
{ 0.04296875, -2.23095703125, 0.0947265625, -0.2216796875, -1.44384765625},
{-1.38623046875, -0.8134765625, -0.13330078125, 1.017578125, -0.07568359375},
{-0.09228515625, -1.16015625, 0.81201171875, -0.5078125, -1.19580078125},
{-1.3876953125, -0.66845703125, 0.310546875, -0.12109375, -1.30712890625},
{ 0.74072265625, 0.03857421875, -1.47119140625, -1.79150390625, -0.47509765625},
{ 0.93408203125, -1.21728515625, -2.59375, -0.36572265625, 0.62060546875},
{-1.41748046875, -1.623046875, -1.833984375, -1.8017578125, -0.89306640625},
{-1.42236328125, -0.75537109375, -1.34765625, -0.6865234375, 0.548828125 },
{ 0.900390625, -0.8955078125, 0.22265625, 0.3447265625, -2.0859375 },
{ 0.22802734375, -2.078125, -0.93212890625, 0.74267578125, 0.5537109375 },
{-0.06201171875, -0.4853515625, -0.31103515625, -0.72802734375, -3.1708984375 },
{ 0.42626953125, -0.99853515625, -1.869140625, -1.36328125, -0.2822265625 },
{ 1.12841796875, -0.88720703125, 1.28515625, -1.490234375, 0.9609375 },
{ 0.31298828125, 0.5830078125, 0.92431640625, 2.00537109375, 3.0966796875 },
{-0.02197265625, 0.5849609375, 1.0546875, -0.70751953125, 1.07568359375},
{-0.978515625, 0.83642578125, 1.7177734375, 1.294921875, 2.07568359375},
{ 1.43359375, -1.9375, 0.625, 0.06396484375, -0.720703125 },
{ 1.38037109375, 0.00390625, -0.94140625, 1.2978515625, 1.71533203125},
{ 1.56201171875, -0.3984375, 1.31201171875, -0.85009765625, -0.68701171875},
{ 1.439453125, 1.96728515625, 0.1923828125, -0.12353515625, 0.6337890625 },
{ 2.0927734375, 0.02490234375, -2.20068359375, -0.015625, -0.32177734375},
{ 1.90576171875, 2.7568359375, -2.728515625, -1.265625, 2.78662109375},
{-0.2958984375, 0.6025390625, -0.78466796875, -2.53271484375, 0.32421875 },
{-0.25634765625, 1.767578125, -1.0703125, -1.23388671875, 0.83349609375},
{ 2.09814453125, -1.58740234375, -1.11474609375, 0.396484375, -1.10546875 },
{ 2.81494140625, 0.2578125, -1.60498046875, 0.66015625, 0.81640625 },
{ 1.33544921875, 0.60595703125, -0.53857421875, -1.59814453125, -1.66357421875},
{ 1.96923828125, 0.8046875, -1.44775390625, -0.5732421875, 0.705078125 },
{ 0.0361328125, 0.4482421875, 0.97607421875, 0.44677734375, -0.5009765625 },
{-1.21875, -0.78369140625, 0.9931640625, 1.4404296875, 0.11181640625},
{-1.05859375, 0.99462890625,0.00732421921566,-0.6171875, -0.1015625 },
{-1.734375, 0.7470703125, 0.28369140625, 0.72802734375, 0.4697265625 },
{-1.27587890625, -1.1416015625, 1.76806640625, -0.7265625, -1.06689453125},
{-0.85302734375, 0.03955078125, 2.7041015625, 0.69921875, -1.10205078125},
{-0.49755859375, 0.42333984375, 0.1044921875, -1.115234375, -0.7373046875 },
{-0.822265625, 1.375, -0.11181640625, 1.24560546875, -0.67822265625},
{ 1.32177734375, 0.24609375, 0.23388671875, 1.35888671875, -0.49267578125},
{ 1.22900390625, -0.72607421875, -0.779296875, 0.30322265625, 0.94189453125},
{-0.072265625, 1.0771484375, -2.09375, 0.630859375, -0.68408203125},
{-0.25732421875, 0.60693359375, -1.33349609375, 0.93212890625, 0.625 },
{ 1.04931640625, -0.73291015625, 1.80078125, 0.2978515625, -2.24169921875},
{ 1.6142578125, -1.64501953125, 0.91552734375, 1.775390625, -0.59423828125},
{ 1.2568359375, 1.22705078125, 0.70751953125, -1.5009765625, -2.43115234375},
{ 0.3974609375, 0.8916015625, -1.21923828125, 2.0673828125, -1.99072265625},
{ 0.8125, -0.107421875, 1.6689453125, 0.4892578125, 0.54443359375},
{ 0.38134765625, 0.8095703125, 1.91357421875, 2.9931640625, 1.533203125 },
{ 0.560546875, 1.98486328125, 0.740234375, 0.39794921875, 0.09716796875},
{ 0.58154296875, 1.21533203125, 1.25048828125, 1.18212890625, 1.19287109375},
{ 0.3759765625, -2.88818359375, 2.69287109375, -0.1796875, -1.56201171875},
{ 0.5810546875, 0.51123046875, 1.8271484375, 3.38232421875, -1.02001953125},
{ 0.142578125, 1.51318359375, 2.103515625, -0.3701171875, -1.19873046875},
{ 0.25537109375, 1.91455078125, 1.974609375, 0.6767578125, 0.04150390625},
{ 2.13232421875, 0.4912109375, -0.611328125, -0.7158203125, -0.67529296875},
{ 1.880859375, 0.77099609375, -0.03759765625, 1.0078125, 0.423828125 },
{ 2.49462890625, 1.42529296875, -0.0986328125, 0.17529296875, -0.24853515625},
{ 1.7822265625, 1.5654296875, 1.12451171875, 0.82666015625, 0.6328125 },
{ 1.41845703125, -1.90771484375, 0.11181640625, -0.583984375, -1.138671875 },
{ 2.91845703125, -1.75048828125, 0.39306640625, 1.86767578125, -1.5322265625 },
{ 1.8291015625, -0.2958984375, 0.02587890625, -0.13134765625, -1.61181640625},
{ 0.2958984375, 0.9853515625, -0.642578125, 1.984375, 0.1943359375 }
static const int16_t codetable[128][5]={
{ 668, -2950, -1254, -1790, -2553}, { -5032, -4577, -1045, 2908, 3318},
{ -2819, -2677, -948, -2825, -4450}, { -6679, -340, 1482, -1276, 1262},
{ -562, -6757, 1281, 179, -1274}, { -2512, -7130, -4925, 6913, 2411},
{ -2478, -156, 4683, -3873, 0}, { -8208, 2140, -478, -2785, 533},
{ 1889, 2759, 1381, -6955, -5913}, { 5082, -2460, -5778, 1797, 568},
{ -2208, -3309, -4523, -6236, -7505}, { -2719, 4358, -2988, -1149, 2664},
{ 1259, 995, 2711, -2464,-10390}, { 1722, -7569, -2742, 2171, -2329},
{ 1032, 747, -858, -7946,-12843}, { 3106, 4856, -4193, -2541, 1035},
{ 1862, -960, -6628, 410, 5882}, { -2493, -2628, -4000, -60, 7202},
{ -2672, 1446, 1536, -3831, 1233}, { -5302, 6912, 1589, -4187, 3665},
{ -3456, -8170, -7709, 1384, 4698}, { -4699, -6209,-11176, 8104, 16830},
{ 930, 7004, 1269, -8977, 2567}, { 4649, 11804, 3441, -5657, 1199},
{ 2542, -183, -8859, -7976, 3230}, { -2872, -2011, -9713, -8385, 12983},
{ 3086, 2140, -3680, -9643, -2896}, { -7609, 6515, -2283, -2522, 6332},
{ -3333, -5620, -9130,-11131, 5543}, { -407, -6721,-17466, -2889, 11568},
{ 3692, 6796, -262,-10846, -1856}, { 7275, 13404, -2989,-10595, 4936},
{ 244, -2219, 2656, 3776, -5412}, { -4043, -5934, 2131, 863, -2866},
{ -3302, 1743, -2006, -128, -2052}, { -6361, 3342, -1583, -21, 1142},
{ -3837, -1831, 6397, 2545, -2848}, { -9332, -6528, 5309, 1986, -2245},
{ -4490, 748, 1935, -3027, -493}, { -9255, 5366, 3193, -4493, 1784},
{ 4784, -370, 1866, 1057, -1889}, { 7342, -2690, -2577, 676, -611},
{ -502, 2235, -1850, -1777, -2049}, { 1011, 3880, -2465, 2209, -152},
{ 2592, 2829, 5588, 2839, -7306}, { -3049, -4918, 5955, 9201, -4447},
{ 697, 3908, 5798, -4451, -4644}, { -2121, 5444, -2570, 321, -1202},
{ 2846, -2086, 3532, 566, -708}, { -4279, 950, 4980, 3749, 452},
{ -2484, 3502, 1719, -170, 238}, { -3435, 263, 2114, -2005, 2361},
{ -7338, -1208, 9347, -1216, -4013}, {-13498, -439, 8028, -4232, 361},
{ -3729, 5433, 2004, -4727, -1259}, { -3986, 7743, 8429, -3691, -987},
{ 5198, -423, 1150, -1281, 816}, { 7409, 4109, -3949, 2690, 30},
{ 1246, 3055, -35, -1370, -246}, { -1489, 5635, -678, -2627, 3170},
{ 4830, -4585, 2008, -1062, 799}, { -129, 717, 4594, 14937, 10706},
{ 417, 2759, 1850, -5057, -1153}, { -3887, 7361, -5768, 4285, 666},
{ 1443, -938, 20, -2119, -1697}, { -3712, -3402, -2212, 110, 2136},
{ -2952, 12, -1568, -3500, -1855}, { -1315, -1731, 1160, -558, 1709},
{ 88, -4569, 194, -454, -2957}, { -2839, -1666, -273, 2084, -155},
{ -189, -2376, 1663, -1040, -2449}, { -2842, -1369, 636, -248, -2677},
{ 1517, 79, -3013, -3669, -973}, { 1913, -2493, -5312, -749, 1271},
{ -2903, -3324, -3756, -3690, -1829}, { -2913, -1547, -2760, -1406, 1124},
{ 1844, -1834, 456, 706, -4272}, { 467, -4256, -1909, 1521, 1134},
{ -127, -994, -637, -1491, -6494}, { 873, -2045, -3828, -2792, -578},
{ 2311, -1817, 2632, -3052, 1968}, { 641, 1194, 1893, 4107, 6342},
{ -45, 1198, 2160, -1449, 2203}, { -2004, 1713, 3518, 2652, 4251},
{ 2936, -3968, 1280, 131, -1476}, { 2827, 8, -1928, 2658, 3513},
{ 3199, -816, 2687, -1741, -1407}, { 2948, 4029, 394, -253, 1298},
{ 4286, 51, -4507, -32, -659}, { 3903, 5646, -5588, -2592, 5707},
{ -606, 1234, -1607, -5187, 664}, { -525, 3620, -2192, -2527, 1707},
{ 4297, -3251, -2283, 812, -2264}, { 5765, 528, -3287, 1352, 1672},
{ 2735, 1241, -1103, -3273, -3407}, { 4033, 1648, -2965, -1174, 1444},
{ 74, 918, 1999, 915, -1026}, { -2496, -1605, 2034, 2950, 229},
{ -2168, 2037, 15, -1264, -208}, { -3552, 1530, 581, 1491, 962},
{ -2613, -2338, 3621, -1488, -2185}, { -1747, 81, 5538, 1432, -2257},
{ -1019, 867, 214, -2284, -1510}, { -1684, 2816, -229, 2551, -1389},
{ 2707, 504, 479, 2783, -1009}, { 2517, -1487, -1596, 621, 1929},
{ -148, 2206, -4288, 1292, -1401}, { -527, 1243, -2731, 1909, 1280},
{ 2149, -1501, 3688, 610, -4591}, { 3306, -3369, 1875, 3636, -1217},
{ 2574, 2513, 1449, -3074, -4979}, { 814, 1826, -2497, 4234, -4077},
{ 1664, -220, 3418, 1002, 1115}, { 781, 1658, 3919, 6130, 3140},
{ 1148, 4065, 1516, 815, 199}, { 1191, 2489, 2561, 2421, 2443},
{ 770, -5915, 5515, -368, -3199}, { 1190, 1047, 3742, 6927, -2089},
{ 292, 3099, 4308, -758, -2455}, { 523, 3921, 4044, 1386, 85},
{ 4367, 1006, -1252, -1466, -1383}, { 3852, 1579, -77, 2064, 868},
{ 5109, 2919, -202, 359, -509}, { 3650, 3206, 2303, 1693, 1296},
{ 2905, -3907, 229, -1196, -2332}, { 5977, -3585, 805, 3825, -3138},
{ 3746, -606, 53, -269, -3301}, { 606, 2018, -1316, 4064, 398}
};
static const float syn_window[111]={

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