The tables will be used to support bitexact QMF and LFE reconstruction.
---
libavcodec/dcadata.c | 588 +++++++++++++++++++++++++++++++++++++++++++++++++++
libavcodec/dcadata.h | 5 +
2 files changed, 593 insertions(+)
diff --git a/libavcodec/dcadata.c b/libavcodec/dcadata.c
index 6c41aef..efb08a2 100644
--- a/libavcodec/dcadata.c
+++ b/libavcodec/dcadata.c
@@ -7280,6 +7280,527 @@ DECLARE_ALIGNED(16, const float,
ff_dca_fir_32bands_nonperfect)[512] = {
+1.390191784E-007
};
+DECLARE_ALIGNED(32, const int32_t, ff_dca_fir_32bands_perfect_fixed)[512] = {
+ 0, 0, -3, -10,
+ -35, -105, -218, -141,
+ -170, -216, -239, -254,
+ -257, -251, -235, -212,
+ -267, -317, -362, -400,
+ -425, -434, -427, -373,
+ -339, -593, -321, -120,
+ -39, -16, 0, 1,
+ 1, 1, -3, -1,
+ -6, -38, -93, -496,
+ -723, -970, -1235, -1501,
+ -1753, -1978, -2163, -2295,
+ -2891, -2915, -2860, -2726,
+ -2517, -2243, -1915, -1590,
+ -1192, -252, -117, -22,
+ -6, -13, 12, 14,
+ 32, 25, 469, 942,
+ 1403, 1421, 1239, 2838,
+ 3539, 4259, 5002, 5716,
+ 6365, 6908, 7311, 7545,
+ 11680, 12355, 12785, 12951,
+ 12841, 12453, 11803, 10864,
+ 9762, 7099, 6725, 5954,
+ 4284, 2584, 215, 379,
+ 557, 701, -29, -687,
+ -1578, -2749, -4076, -7933,
+ -10049, -12133, -14039, -15752,
+ -17213, -18400, -19291, -19878,
+ -1444, -3005, -4523, -5927,
+ -7143, -8093, -8713, -8939,
+ -8700, -9481, -7515, -5279,
+ -2725, 61, 5763, 6113,
+ 7571, 6735, 17126, 20165,
+ 23328, 26775, 30310, 32639,
+ 35464, 38064, 40423, 42512,
+ 44261, 45632, 46578, 46974,
+ -45572, -45008, -43753, -41661,
+ -38655, -34660, -29587, -23375,
+ -15998, -7631, 2472, 13757,
+ 26188, 39942, 49789, 67293,
+ 84699, 101701, 127325, 148404,
+ 170391, 193280, 217044, 241451,
+ 266537, 292144, 318161, 344417,
+ 370786, 397082, 423133, 448757,
+ 475085, 499136, 522007, 543516,
+ 563424, 581467, 597422, 611005,
+ 621975, 630083, 634996, 636457,
+ 634311, 628147, 619871, 604524,
+ 585077, 561301, 529204, 494129,
+ 453552, 407189, 354920, 296502,
+ 231916, 161012, 83700, -86,
+ -90377, -187193, -290528, -400329,
+ 516487, 639054, 767835, 902710,
+ 1043512, 1190048, 1342100, 1499418,
+ 1661729, 1828700, 2000071, 2175433,
+ 2354437, 2536630, 2721120, 2908704,
+ 3098059, 3288764, 3480801, 3672922,
+ 3864970, 4056432, 4246767, 4435454,
+ 4621921, 4805642, 4986073, 5162677,
+ 5334921, 5502279, 5664239, 5820300,
+ 5969913, 6112723, 6248225, 6375985,
+ 6495593, 6606663, 6708832, 6801769,
+ 6885168, 6958762, 7022294, 7075566,
+ 7118382, 7150633, 7172314, 7183082,
+ 7183082, 7172314, 7150633, 7118382,
+ 7075566, 7022294, 6958762, 6885168,
+ 6801769, 6708832, 6606663, 6495593,
+ 6375985, 6248225, 6112723, 5969913,
+ -5820300, -5664239, -5502279, -5334921,
+ -5162677, -4986073, -4805642, -4621921,
+ -4435454, -4246767, -4056432, -3864970,
+ -3672922, -3480801, -3288764, -3098059,
+ -2908704, -2721120, -2536630, -2354437,
+ -2175433, -2000071, -1828700, -1661729,
+ -1499418, -1342100, -1190048, -1043512,
+ -902710, -767835, -639054, -516487,
+ -400329, -290528, -187193, -90377,
+ -86, 83700, 161012, 231916,
+ 296502, 354920, 407189, 453552,
+ 494129, 529204, 561301, 585077,
+ 604524, 619871, 628147, 634311,
+ 636457, 634996, 630083, 621975,
+ 611005, 597422, 581467, 563424,
+ 543516, 522007, 499136, 475085,
+ -448757, -423133, -397082, -370786,
+ -344417, -318161, -292144, -266537,
+ -241451, -217044, -193280, -170391,
+ -148404, -127325, -101701, -84699,
+ -67293, -49789, -39942, -26188,
+ -13757, -2472, 7631, 15998,
+ 23375, 29587, 34660, 38655,
+ 41661, 43753, 45008, 45572,
+ 46974, 46578, 45632, 44261,
+ 42512, 40423, 38064, 35464,
+ 32639, 30310, 26775, 23328,
+ 20165, 17126, 6735, 7571,
+ 6113, 5763, 61, -2725,
+ -5279, -7515, -9481, -8700,
+ -8939, -8713, -8093, -7143,
+ -5927, -4523, -3005, -1444,
+ 19878, 19291, 18400, 17213,
+ 15752, 14039, 12133, 10049,
+ 7933, 4076, 2749, 1578,
+ 687, 29, -701, -557,
+ -379, -215, -2584, -4284,
+ -5954, -6725, -7099, -9762,
+ -10864, -11803, -12453, -12841,
+ -12951, -12785, -12355, -11680,
+ 7545, 7311, 6908, 6365,
+ 5716, 5002, 4259, 3539,
+ 2838, 1239, 1421, 1403,
+ 942, 469, 25, 32,
+ 14, 12, -13, -6,
+ -22, -117, -252, -1192,
+ -1590, -1915, -2243, -2517,
+ -2726, -2860, -2915, -2891,
+ 2295, 2163, 1978, 1753,
+ 1501, 1235, 970, 723,
+ 496, 93, 38, 6,
+ 1, 3, -1, -1,
+ -1, 0, 16, 39,
+ 120, 321, 593, 339,
+ 373, 427, 434, 425,
+ 400, 362, 317, 267,
+ -212, -235, -251, -257,
+ -254, -239, -216, -170,
+ -141, -218, -105, -35,
+ -10, -3, 0, 0
+};
+
+DECLARE_ALIGNED(32, const int32_t, ff_dca_fir_32bands_nonperfect_fixed)[512] =
{
+ -53, -64, -77, -91,
+ -107, -124, -144, -165,
+ -189, -215, -244, -277,
+ -313, -353, -397, -447,
+ 502, 563, 631, 706,
+ 789, 881, 983, 1095,
+ 1218, 1354, 1502, 1665,
+ 1843, 2036, 2247, 2475,
+ 2723, 2990, 3277, 3586,
+ 3916, 4270, 4646, 5046,
+ 5470, 5918, 6390, 6886,
+ 7405, 7947, 8510, 9094,
+ 9698, 10319, 10955, 11605,
+ 12265, 12933, 13605, 14277,
+ 14945, 15604, 16250, 16877,
+ 17480, 18051, 18585, 19075,
+ 19513, 19891, 20202, 20436,
+ 20587, 20643, 20597, 20439,
+ 20160, 19749, 19198, 18496,
+ 17634, 16603, 15393, 13996,
+ -12403, -10605, -8595, -6366,
+ -3911, -1225, 1697, 4860,
+ 8265, 11916, 15812, 19953,
+ 24337, 28961, 33819, 38904,
+ 44210, 49725, 55437, 61334,
+ 67398, 73614, 79961, 86417,
+ 92960, 99563, 106198, 112837,
+ 119446, 125994, 132443, 138758,
+ 144898, 150823, 156491, 161858,
+ 166879, 171507, 175697, 179400,
+ 182566, 185149, 187097, 188363,
+ 188899, 188654, 187581, 185635,
+ 182770, 178943, 174112, 168238,
+ 161285, 153218, 144007, 133624,
+ 122046, 109254, 95232, 79969,
+ 63462, 45709, 26715, 6492,
+ 14943, 37567, 61350, 86256,
+ 112242, 139258, 167246, 196143,
+ 225877, 256368, 287532, 319275,
+ 351496, 384088, 416936, 449919,
+ 482909, 515770, 548362, 580539,
+ 612148, 643030, 673024, 701963,
+ 729674, 755985, 780717, 803690,
+ 824721, 843628, 860226, 874332,
+ 885761, 894330, 899861, 902174,
+ 901096, 896456, 888088, 875832,
+ 859535, 839050, 814237, 784966,
+ 751116, 712574, 669239, 621021,
+ 567840, 509632, 446341, 377927,
+ 304365, 225641, 141757, 52732,
+ -41403, -140599, -244793, -353905,
+ -467840, -586486, -709716, -837385,
+ 969336, 1105393, 1245366, 1389049,
+ 1536224, 1686655, 1840096, 1996285,
+ 2154949, 2315802, 2478547, 2642877,
+ 2808475, 2975015, 3142163, 3309579,
+ 3476914, 3643818, 3809934, 3974901,
+ 4138360, 4299948, 4459303, 4616064,
+ 4769873, 4920374, 5067219, 5210063,
+ 5348569, 5482406, 5611255, 5734805,
+ 5852757, 5964823, 6070729, 6170216,
+ 6263037, 6348961, 6427777, 6499286,
+ 6563310, 6619688, 6668279, 6708963,
+ 6741632, 6766206, 6782623, 6790843,
+ 6790843, 6782623, 6766206, 6741632,
+ 6708963, 6668279, 6619688, 6563310,
+ 6499286, 6427777, 6348961, 6263037,
+ 6170216, 6070729, 5964823, 5852757,
+ -5734805, -5611255, -5482406, -5348569,
+ -5210063, -5067219, -4920374, -4769873,
+ -4616064, -4459303, -4299948, -4138360,
+ -3974901, -3809934, -3643818, -3476914,
+ -3309579, -3142163, -2975015, -2808475,
+ -2642877, -2478547, -2315802, -2154949,
+ -1996285, -1840096, -1686655, -1536224,
+ -1389049, -1245366, -1105393, -969336,
+ -837385, -709716, -586486, -467840,
+ -353905, -244793, -140599, -41403,
+ 52732, 141757, 225641, 304365,
+ 377927, 446341, 509632, 567840,
+ 621021, 669239, 712574, 751116,
+ 784966, 814237, 839050, 859535,
+ 875832, 888088, 896456, 901096,
+ 902174, 899861, 894330, 885761,
+ -874332, -860226, -843628, -824721,
+ -803690, -780717, -755985, -729674,
+ -701963, -673024, -643030, -612148,
+ -580539, -548362, -515770, -482909,
+ -449919, -416936, -384088, -351496,
+ -319275, -287532, -256368, -225877,
+ -196143, -167246, -139258, -112242,
+ -86256, -61350, -37567, -14943,
+ 6492, 26715, 45709, 63462,
+ 79969, 95232, 109254, 122046,
+ 133624, 144007, 153218, 161285,
+ 168238, 174112, 178943, 182770,
+ 185635, 187581, 188654, 188899,
+ 188363, 187097, 185149, 182566,
+ 179400, 175697, 171507, 166879,
+ 161858, 156491, 150823, 144898,
+ -138758, -132443, -125994, -119446,
+ -112837, -106198, -99563, -92960,
+ -86417, -79961, -73614, -67398,
+ -61334, -55437, -49725, -44210,
+ -38904, -33819, -28961, -24337,
+ -19953, -15812, -11916, -8265,
+ -4860, -1697, 1225, 3911,
+ 6366, 8595, 10605, 12403,
+ 13996, 15393, 16603, 17634,
+ 18496, 19198, 19749, 20160,
+ 20439, 20597, 20643, 20587,
+ 20436, 20202, 19891, 19513,
+ 19075, 18585, 18051, 17480,
+ 16877, 16250, 15604, 14945,
+ 14277, 13605, 12933, 12265,
+ 11605, 10955, 10319, 9698,
+ -9094, -8510, -7947, -7405,
+ -6886, -6390, -5918, -5470,
+ -5046, -4646, -4270, -3916,
+ -3586, -3277, -2990, -2723,
+ -2475, -2247, -2036, -1843,
+ -1665, -1502, -1354, -1218,
+ -1095, -983, -881, -789,
+ -706, -631, -563, -502,
+ -447, -397, -353, -313,
+ -277, -244, -215, -189,
+ -165, -144, -124, -107,
+ -91, -77, -64, -53
+};
+
+DECLARE_ALIGNED(32, const int32_t, ff_dca_band_fir_x96)[1024] = {
+ -38, -38, -43, -48,
+ -52, -57, -62, -67,
+ -73, -79, -85, -91,
+ -98, -105, -113, -121,
+ -129, -138, -147, -157,
+ -167, -178, -190, -202,
+ -215, -228, -242, -257,
+ -273, -289, -307, -325,
+ 345, 365, 387, 410,
+ 433, 459, 485, 513,
+ 543, 574, 606, 640,
+ 676, 714, 753, 795,
+ 839, 884, 932, 983,
+ 1035, 1090, 1148, 1208,
+ 1271, 1336, 1405, 1476,
+ 1550, 1628, 1709, 1793,
+ 1880, 1971, 2065, 2163,
+ 2265, 2370, 2479, 2592,
+ 2709, 2830, 2955, 3084,
+ 3217, 3354, 3496, 3642,
+ 3791, 3946, 4104, 4267,
+ 4433, 4604, 4780, 4959,
+ 5143, 5330, 5522, 5717,
+ 5916, 6119, 6326, 6536,
+ 6749, 6966, 7186, 7408,
+ 7633, 7861, 8090, 8322,
+ 8556, 8791, 9027, 9264,
+ 9501, 9739, 9977, 10214,
+ 10450, 10685, 10918, 11149,
+ 11377, 11603, 11825, 12042,
+ 12255, 12463, 12665, 12861,
+ 13050, 13231, 13405, 13569,
+ 13724, 13869, 14002, 14125,
+ 14235, 14331, 14415, 14483,
+ 14536, 14573, 14594, 14596,
+ 14580, 14544, 14488, 14412,
+ 14313, 14191, 14046, 13877,
+ 13682, 13461, 13213, 12937,
+ 12632, 12298, 11934, 11538,
+ 11111, 10650, 10156, 9628,
+ -9065, -8466, -7830, -7158,
+ -6447, -5698, -4910, -4083,
+ -3215, -2306, -1357, -366,
+ 668, 1743, 2861, 4022,
+ 5226, 6474, 7764, 9098,
+ 10476, 11897, 13361, 14868,
+ 16418, 18011, 19645, 21322,
+ 23039, 24798, 26596, 28433,
+ 30309, 32222, 34172, 36158,
+ 38177, 40231, 42315, 44431,
+ 46575, 48747, 50945, 53167,
+ 55411, 57676, 59959, 62258,
+ 64571, 66897, 69231, 71573,
+ 73919, 76268, 78615, 80959,
+ 83296, 85624, 87939, 90239,
+ 92519, 94778, 97011, 99215,
+ 101386, 103521, 105616, 107668,
+ 109673, 111626, 113524, 115362,
+ 117138, 118847, 120484, 122045,
+ 123527, 124925, 126234, 127451,
+ 128571, 129591, 130504, 131308,
+ 131997, 132568, 133016, 133338,
+ 133528, 133582, 133495, 133265,
+ 132886, 132355, 131668, 130820,
+ 129807, 128626, 127274, 125746,
+ 124038, 122148, 120071, 117806,
+ 115348, 112694, 109843, 106790,
+ 103534, 100071, 96401, 92520,
+ 88426, 84119, 79597, 74857,
+ 69900, 64723, 59327, 53711,
+ 47875, 41818, 35542, 29045,
+ 22330, 15397, 8247, 881,
+ 6697, 14487, 22487, 30692,
+ 39101, 47711, 56517, 65516,
+ 74704, 84076, 93628, 103355,
+ 113251, 123311, 133528, 143897,
+ 154410, 165061, 175843, 186747,
+ 197766, 208892, 220116, 231429,
+ 242822, 254285, 265810, 277384,
+ 288999, 300644, 312306, 323976,
+ 335641, 347289, 358909, 370488,
+ 382013, 393471, 404848, 416133,
+ 427310, 438366, 449286, 460057,
+ 470663, 481090, 491323, 501347,
+ 511147, 520707, 530011, 539044,
+ 547790, 556233, 564357, 572146,
+ 579584, 586654, 593341, 599627,
+ 605498, 610936, 615925, 620449,
+ 624491, 628037, 631069, 633571,
+ 635529, 636925, 637745, 637972,
+ 637593, 636592, 634953, 632662,
+ 629705, 626068, 621737, 616698,
+ 610938, 604443, 597202, 589202,
+ 580431, 570877, 560530, 549378,
+ 537411, 524620, 510994, 496525,
+ 481205, 465026, 447979, 430058,
+ 411256, 391569, 370989, 349514,
+ 327137, 303857, 279670, 254573,
+ 228564, 201644, 173811, 145065,
+ 115408, 84840, 53365, 20984,
+ -12298, -46478, -81550, -117508,
+ -154347, -192060, -230638, -270073,
+ -310356, -351478, -393427, -436192,
+ -479762, -524124, -569264, -615168,
+ 661821, 709209, 757314, 806121,
+ 855611, 905766, 956569, 1007998,
+ 1060035, 1112658, 1165846, 1219578,
+ 1273830, 1328580, 1383805, 1439479,
+ 1495578, 1552077, 1608950, 1666171,
+ 1723714, 1781550, 1839653, 1897995,
+ 1956546, 2015279, 2074163, 2133170,
+ 2192270, 2251432, 2310626, 2369822,
+ 2428988, 2488093, 2547106, 2605996,
+ 2664731, 2723279, 2781607, 2839685,
+ 2897481, 2954962, 3012096, 3068851,
+ 3125195, 3181097, 3236524, 3291445,
+ 3345829, 3399643, 3452858, 3505441,
+ 3557362, 3608591, 3659098, 3708853,
+ 3757825, 3805987, 3853309, 3899763,
+ 3945322, 3989957, 4033642, 4076350,
+ 4118055, 4158733, 4198357, 4236904,
+ 4274351, 4310673, 4345850, 4379859,
+ 4412678, 4444289, 4474670, 4503803,
+ 4531671, 4558255, 4583539, 4607508,
+ 4630146, 4651438, 4671373, 4689936,
+ 4707117, 4722905, 4737290, 4750262,
+ 4761813, 4771936, 4780625, 4787874,
+ 4793679, 4798036, 4800943, 4802396,
+ 4802396, 4800943, 4798036, 4793679,
+ 4787874, 4780625, 4771936, 4761813,
+ 4750262, 4737290, 4722905, 4707117,
+ 4689936, 4671373, 4651438, 4630146,
+ 4607508, 4583539, 4558255, 4531671,
+ 4503803, 4474670, 4444289, 4412678,
+ 4379859, 4345850, 4310673, 4274351,
+ 4236904, 4198357, 4158733, 4118055,
+ -4076350, -4033642, -3989957, -3945322,
+ -3899763, -3853309, -3805987, -3757825,
+ -3708853, -3659098, -3608591, -3557362,
+ -3505441, -3452858, -3399643, -3345829,
+ -3291445, -3236524, -3181097, -3125195,
+ -3068851, -3012096, -2954962, -2897481,
+ -2839685, -2781607, -2723279, -2664731,
+ -2605996, -2547106, -2488093, -2428988,
+ -2369822, -2310626, -2251432, -2192270,
+ -2133170, -2074163, -2015279, -1956546,
+ -1897995, -1839653, -1781550, -1723714,
+ -1666171, -1608950, -1552077, -1495578,
+ -1439479, -1383805, -1328580, -1273830,
+ -1219578, -1165846, -1112658, -1060035,
+ -1007998, -956569, -905766, -855611,
+ -806121, -757314, -709209, -661821,
+ -615168, -569264, -524124, -479762,
+ -436192, -393427, -351478, -310356,
+ -270073, -230638, -192060, -154347,
+ -117508, -81550, -46478, -12298,
+ 20984, 53365, 84840, 115408,
+ 145065, 173811, 201644, 228564,
+ 254573, 279670, 303857, 327137,
+ 349514, 370989, 391569, 411256,
+ 430058, 447979, 465026, 481205,
+ 496525, 510994, 524620, 537411,
+ 549378, 560530, 570877, 580431,
+ 589202, 597202, 604443, 610938,
+ 616698, 621737, 626068, 629705,
+ 632662, 634953, 636592, 637593,
+ 637972, 637745, 636925, 635529,
+ 633571, 631069, 628037, 624491,
+ -620449, -615925, -610936, -605498,
+ -599627, -593341, -586654, -579584,
+ -572146, -564357, -556233, -547790,
+ -539044, -530011, -520707, -511147,
+ -501347, -491323, -481090, -470663,
+ -460057, -449286, -438366, -427310,
+ -416133, -404848, -393471, -382013,
+ -370488, -358909, -347289, -335641,
+ -323976, -312306, -300644, -288999,
+ -277384, -265810, -254285, -242822,
+ -231429, -220116, -208892, -197766,
+ -186747, -175843, -165061, -154410,
+ -143897, -133528, -123311, -113251,
+ -103355, -93628, -84076, -74704,
+ -65516, -56517, -47711, -39101,
+ -30692, -22487, -14487, -6697,
+ 881, 8247, 15397, 22330,
+ 29045, 35542, 41818, 47875,
+ 53711, 59327, 64723, 69900,
+ 74857, 79597, 84119, 88426,
+ 92520, 96401, 100071, 103534,
+ 106790, 109843, 112694, 115348,
+ 117806, 120071, 122148, 124038,
+ 125746, 127274, 128626, 129807,
+ 130820, 131668, 132355, 132886,
+ 133265, 133495, 133582, 133528,
+ 133338, 133016, 132568, 131997,
+ 131308, 130504, 129591, 128571,
+ 127451, 126234, 124925, 123527,
+ 122045, 120484, 118847, 117138,
+ 115362, 113524, 111626, 109673,
+ 107668, 105616, 103521, 101386,
+ -99215, -97011, -94778, -92519,
+ -90239, -87939, -85624, -83296,
+ -80959, -78615, -76268, -73919,
+ -71573, -69231, -66897, -64571,
+ -62258, -59959, -57676, -55411,
+ -53167, -50945, -48747, -46575,
+ -44431, -42315, -40231, -38177,
+ -36158, -34172, -32222, -30309,
+ -28433, -26596, -24798, -23039,
+ -21322, -19645, -18011, -16418,
+ -14868, -13361, -11897, -10476,
+ -9098, -7764, -6474, -5226,
+ -4022, -2861, -1743, -668,
+ 366, 1357, 2306, 3215,
+ 4083, 4910, 5698, 6447,
+ 7158, 7830, 8466, 9065,
+ 9628, 10156, 10650, 11111,
+ 11538, 11934, 12298, 12632,
+ 12937, 13213, 13461, 13682,
+ 13877, 14046, 14191, 14313,
+ 14412, 14488, 14544, 14580,
+ 14596, 14594, 14573, 14536,
+ 14483, 14415, 14331, 14235,
+ 14125, 14002, 13869, 13724,
+ 13569, 13405, 13231, 13050,
+ 12861, 12665, 12463, 12255,
+ 12042, 11825, 11603, 11377,
+ 11149, 10918, 10685, 10450,
+ 10214, 9977, 9739, 9501,
+ 9264, 9027, 8791, 8556,
+ 8322, 8090, 7861, 7633,
+ 7408, 7186, 6966, 6749,
+ -6536, -6326, -6119, -5916,
+ -5717, -5522, -5330, -5143,
+ -4959, -4780, -4604, -4433,
+ -4267, -4104, -3946, -3791,
+ -3642, -3496, -3354, -3217,
+ -3084, -2955, -2830, -2709,
+ -2592, -2479, -2370, -2265,
+ -2163, -2065, -1971, -1880,
+ -1793, -1709, -1628, -1550,
+ -1476, -1405, -1336, -1271,
+ -1208, -1148, -1090, -1035,
+ -983, -932, -884, -839,
+ -795, -753, -714, -676,
+ -640, -606, -574, -543,
+ -513, -485, -459, -433,
+ -410, -387, -365, -345,
+ -325, -307, -289, -273,
+ -257, -242, -228, -215,
+ -202, -190, -178, -167,
+ -157, -147, -138, -129,
+ -121, -113, -105, -98,
+ -91, -85, -79, -73,
+ -67, -62, -57, -52,
+ -48, -43, -38, -38
+};
+
/* pre-scale lfe fir coefficients
*
* Permuted compared to table D.8 in the spec. First, the table in the
@@ -8101,6 +8622,73 @@ DECLARE_ALIGNED(16, const float,
ff_dca_fir_64bands)[1024] = {
7.0950903150874990e-8, 7.1279389866041690e-8,
};
+DECLARE_ALIGNED(32, const int32_t, ff_dca_lfe_fir_64_fixed)[512] = {
+ 6103, 1930, 2228, 2552, 2904, 3287, 3704, 4152,
+ 4631, 5139, 5682, 6264, 6886, 7531, 8230, 8959,
+ 9727, 10535, 11381, 12267, 13190, 14152, 15153, 16192,
+ 17267, 18377, 19525, 20704, 21915, 23157, 24426, 25721,
+ 27038, 28376, 29732, 31101, 32480, 33866, 35256, 36642,
+ 38022, 39391, 40743, 42072, 43373, 44640, 45866, 47044,
+ 48168, 49231, 50224, 51140, 51972, 52711, 53348, 53876,
+ 54285, 54566, 54710, 54708, 54550, 54228, 53729, 53047,
+ 52170, 51089, 49794, 48275, 46523, 44529, 42282, 39774,
+ 36995, 33937, 30591, 26948, 23001, 18741, 14162, 9257,
+ 4018, -1558, -7480, -13750, -20372, -27352, -34691, -42390,
+ -50453, -58879, -67667, -76817, -86327, -96193, -106412, -116977,
+ -127884, -139125, -150692, -162575, -174764, -187246, -200010, -213041,
+ -226323, -239840, -253574, -267505, -281613, -295877, -310273, -324777,
+ -339362, -354003, -368671, -383335, -397966, -412531, -426998, -441330,
+ -455494, -469451, -483164, -496595, -509702, -522445, -534782, -546669,
+ -558064, -568920, -579194, -588839, -597808, -606054, -613529, -620186,
+ -625976, -630850, -634759, -637655, -639488, -640210, -639772, -638125,
+ -635222, -631014, -625455, -618499, -610098, -600209, -588788, -575791,
+ -561178, -544906, -526937, -507233, -485757, -462476, -437356, -410365,
+ -381475, -350658, -317890, -283146, -246406, -207653, -166869, -124041,
+ -79159, -32214, 16800, 67886, 121042, 176267, 233555, 292897,
+ 354281, 417692, 483113, 550521, 619894, 691203, 764419, 839507,
+ 916430, 995149, 1075621, 1157798, 1241632, 1327070, 1414057, 1502534,
+ 1592440, 1683709, 1776276, 1870070, 1965017, 2061044, 2158071, 2256019,
+ 2354805, 2454343, 2554547, 2655326, 2756591, 2858248, 2960201, 3062355,
+ 3164612, 3266872, 3369035, 3471000, 3572664, 3673924, 3774676, 3874816,
+ 3974239, 4072841, 4170517, 4267162, 4362672, 4456942, 4549871, 4641355,
+ 4731293, 4819584, 4906129, 4990831, 5073593, 5154321, 5232922, 5309305,
+ 5383383, 5455069, 5524280, 5590933, 5654952, 5716260, 5774785, 5830457,
+ 5883210, 5932981, 5979711, 6023343, 6063824, 6101107, 6135146, 6165900,
+ 6193332, 6217408, 6238099, 6255380, 6269231, 6279634, 6286575, 6290049,
+ 6290049, 6286575, 6279634, 6269231, 6255380, 6238099, 6217408, 6193332,
+ 6165900, 6135146, 6101107, 6063824, 6023343, 5979711, 5932981, 5883210,
+ 5830457, 5774785, 5716260, 5654952, 5590933, 5524280, 5455069, 5383383,
+ 5309305, 5232922, 5154321, 5073593, 4990831, 4906129, 4819584, 4731293,
+ 4641355, 4549871, 4456942, 4362672, 4267162, 4170517, 4072841, 3974239,
+ 3874816, 3774676, 3673924, 3572664, 3471000, 3369035, 3266872, 3164612,
+ 3062355, 2960201, 2858248, 2756591, 2655326, 2554547, 2454343, 2354805,
+ 2256019, 2158071, 2061044, 1965017, 1870070, 1776276, 1683709, 1592440,
+ 1502534, 1414057, 1327070, 1241632, 1157798, 1075621, 995149, 916430,
+ 839507, 764419, 691203, 619894, 550521, 483113, 417692, 354281,
+ 292897, 233555, 176267, 121042, 67886, 16800, -32214, -79159,
+ -124041, -166869, -207653, -246406, -283146, -317890, -350658, -381475,
+ -410365, -437356, -462476, -485757, -507233, -526937, -544906, -561178,
+ -575791, -588788, -600209, -610098, -618499, -625455, -631014, -635222,
+ -638125, -639772, -640210, -639488, -637655, -634759, -630850, -625976,
+ -620186, -613529, -606054, -597808, -588839, -579194, -568920, -558064,
+ -546669, -534782, -522445, -509702, -496595, -483164, -469451, -455494,
+ -441330, -426998, -412531, -397966, -383335, -368671, -354003, -339362,
+ -324777, -310273, -295877, -281613, -267505, -253574, -239840, -226323,
+ -213041, -200010, -187246, -174764, -162575, -150692, -139125, -127884,
+ -116977, -106412, -96193, -86327, -76817, -67667, -58879, -50453,
+ -42390, -34691, -27352, -20372, -13750, -7480, -1558, 4018,
+ 9257, 14162, 18741, 23001, 26948, 30591, 33937, 36995,
+ 39774, 42282, 44529, 46523, 48275, 49794, 51089, 52170,
+ 53047, 53729, 54228, 54550, 54708, 54710, 54566, 54285,
+ 53876, 53348, 52711, 51972, 51140, 50224, 49231, 48168,
+ 47044, 45866, 44640, 43373, 42072, 40743, 39391, 38022,
+ 36642, 35256, 33866, 32480, 31101, 29732, 28376, 27038,
+ 25721, 24426, 23157, 21915, 20704, 19525, 18377, 17267,
+ 16192, 15153, 14152, 13190, 12267, 11381, 10535, 9727,
+ 8959, 8230, 7531, 6886, 6264, 5682, 5139, 4631,
+ 4152, 3704, 3287, 2904, 2552, 2228, 1930, 6103
+};
+
/*
* D.11 Look-up Table for Downmix Scale Factors
*
diff --git a/libavcodec/dcadata.h b/libavcodec/dcadata.h
index 0a3139e..7ee3a79 100644
--- a/libavcodec/dcadata.h
+++ b/libavcodec/dcadata.h
@@ -43,10 +43,15 @@ extern const int8_t ff_dca_high_freq_vq[1024][32];
extern const float ff_dca_fir_32bands_perfect[512];
extern const float ff_dca_fir_32bands_nonperfect[512];
+extern const int32_t ff_dca_fir_32bands_perfect_fixed[512];
+extern const int32_t ff_dca_fir_32bands_nonperfect_fixed[512];
+
extern const float ff_dca_lfe_fir_64[256];
+extern const int32_t ff_dca_lfe_fir_64_fixed[512];
extern const float ff_dca_lfe_fir_128[256];
extern const float ff_dca_lfe_xll_fir_64[256];
extern const float ff_dca_fir_64bands[1024];
+extern const int32_t ff_dca_band_fir_x96[1024];
#define FF_DCA_DMIXTABLE_SIZE 242
#define FF_DCA_INV_DMIXTABLE_SIZE 201
--
2.1.4
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