* 64.0f is a special value indicating the existence of an escape code in the
* bitstream.
*/
-static const float codebook_vector0[324] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector0[324]) = {
-1.0000000, -1.0000000, -1.0000000, -1.0000000,
-1.0000000, -1.0000000, -1.0000000, 0.0000000,
-1.0000000, -1.0000000, -1.0000000, 1.0000000,
1.0000000, 1.0000000, 1.0000000, 1.0000000,
};
-static const float codebook_vector2[324] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector2[324]) = {
0.0000000, 0.0000000, 0.0000000, 0.0000000,
0.0000000, 0.0000000, 0.0000000, 1.0000000,
0.0000000, 0.0000000, 0.0000000, 2.5198421,
2.5198421, 2.5198421, 2.5198421, 2.5198421,
};
-static const float codebook_vector4[162] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector4[162]) = {
-6.3496042, -6.3496042, -6.3496042, -4.3267487,
-6.3496042, -2.5198421, -6.3496042, -1.0000000,
-6.3496042, 0.0000000, -6.3496042, 1.0000000,
6.3496042, 6.3496042,
};
-static const float codebook_vector6[128] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector6[128]) = {
0.0000000, 0.0000000, 0.0000000, 1.0000000,
0.0000000, 2.5198421, 0.0000000, 4.3267487,
0.0000000, 6.3496042, 0.0000000, 8.5498797,
13.3905183, 10.9027236, 13.3905183, 13.3905183,
};
-static const float codebook_vector8[338] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector8[338]) = {
0.0000000, 0.0000000, 0.0000000, 1.0000000,
0.0000000, 2.5198421, 0.0000000, 4.3267487,
0.0000000, 6.3496042, 0.0000000, 8.5498797,
27.4731418, 27.4731418,
};
-static const float codebook_vector10[578] = {
+static const DECLARE_ALIGNED_16(float, codebook_vector10[578]) = {
0.0000000, 0.0000000, 0.0000000, 1.0000000,
0.0000000, 2.5198421, 0.0000000, 4.3267487,
0.0000000, 6.3496042, 0.0000000, 8.5498797,
codebook_vector8, codebook_vector10,
};
+static const float codebook_vector0_vals[] = {
+ -1.0000000, 0.0000000, 1.0000000
+};
+
+static const float codebook_vector2_vals[] = {
+ 0.0000000, 1.0000000, 2.5198421,
+};
+
+/*
+ * bits 0:1, 2:3, 4:5, 6:7 index into _vals array
+ * 8:11 number of non-zero values
+ * 12:15 bit mask of non-zero values
+ */
+static const uint16_t codebook_vector02_idx[] = {
+ 0x0000, 0x8140, 0x8180, 0x4110, 0xc250, 0xc290, 0x4120, 0xc260, 0xc2a0,
+ 0x2104, 0xa244, 0xa284, 0x6214, 0xe354, 0xe394, 0x6224, 0xe364, 0xe3a4,
+ 0x2108, 0xa248, 0xa288, 0x6218, 0xe358, 0xe398, 0x6228, 0xe368, 0xe3a8,
+ 0x1101, 0x9241, 0x9281, 0x5211, 0xd351, 0xd391, 0x5221, 0xd361, 0xd3a1,
+ 0x3205, 0xb345, 0xb385, 0x7315, 0xf455, 0xf495, 0x7325, 0xf465, 0xf4a5,
+ 0x3209, 0xb349, 0xb389, 0x7319, 0xf459, 0xf499, 0x7329, 0xf469, 0xf4a9,
+ 0x1102, 0x9242, 0x9282, 0x5212, 0xd352, 0xd392, 0x5222, 0xd362, 0xd3a2,
+ 0x3206, 0xb346, 0xb386, 0x7316, 0xf456, 0xf496, 0x7326, 0xf466, 0xf4a6,
+ 0x320a, 0xb34a, 0xb38a, 0x731a, 0xf45a, 0xf49a, 0x732a, 0xf46a, 0xf4aa,
+};
+
+static const float codebook_vector4_vals[] = {
+ -6.3496042, -4.3267487,
+ -2.5198421, -1.0000000,
+ 0.0000000, 1.0000000,
+ 2.5198421, 4.3267487,
+ 6.3496042,
+};
+
+/*
+ * bits 0:3, 4:7 index into _vals array
+ */
+static const uint16_t codebook_vector4_idx[] = {
+ 0x0000, 0x0010, 0x0020, 0x0030, 0x0040, 0x0050, 0x0060, 0x0070, 0x0080,
+ 0x0001, 0x0011, 0x0021, 0x0031, 0x0041, 0x0051, 0x0061, 0x0071, 0x0081,
+ 0x0002, 0x0012, 0x0022, 0x0032, 0x0042, 0x0052, 0x0062, 0x0072, 0x0082,
+ 0x0003, 0x0013, 0x0023, 0x0033, 0x0043, 0x0053, 0x0063, 0x0073, 0x0083,
+ 0x0004, 0x0014, 0x0024, 0x0034, 0x0044, 0x0054, 0x0064, 0x0074, 0x0084,
+ 0x0005, 0x0015, 0x0025, 0x0035, 0x0045, 0x0055, 0x0065, 0x0075, 0x0085,
+ 0x0006, 0x0016, 0x0026, 0x0036, 0x0046, 0x0056, 0x0066, 0x0076, 0x0086,
+ 0x0007, 0x0017, 0x0027, 0x0037, 0x0047, 0x0057, 0x0067, 0x0077, 0x0087,
+ 0x0008, 0x0018, 0x0028, 0x0038, 0x0048, 0x0058, 0x0068, 0x0078, 0x0088,
+};
+
+static const float codebook_vector6_vals[] = {
+ 0.0000000, 1.0000000, 2.5198421, 4.3267487,
+ 6.3496042, 8.5498797, 10.9027236, 13.3905183,
+};
+
+/*
+ * bits 0:3, 4:7 index into _vals array
+ * 8:11 number of non-zero values
+ * 12:15 1: only second value non-zero
+ * 0: other cases
+ */
+static const uint16_t codebook_vector6_idx[] = {
+ 0x0000, 0x0110, 0x0120, 0x0130, 0x0140, 0x0150, 0x0160, 0x0170,
+ 0x1101, 0x0211, 0x0221, 0x0231, 0x0241, 0x0251, 0x0261, 0x0271,
+ 0x1102, 0x0212, 0x0222, 0x0232, 0x0242, 0x0252, 0x0262, 0x0272,
+ 0x1103, 0x0213, 0x0223, 0x0233, 0x0243, 0x0253, 0x0263, 0x0273,
+ 0x1104, 0x0214, 0x0224, 0x0234, 0x0244, 0x0254, 0x0264, 0x0274,
+ 0x1105, 0x0215, 0x0225, 0x0235, 0x0245, 0x0255, 0x0265, 0x0275,
+ 0x1106, 0x0216, 0x0226, 0x0236, 0x0246, 0x0256, 0x0266, 0x0276,
+ 0x1107, 0x0217, 0x0227, 0x0237, 0x0247, 0x0257, 0x0267, 0x0277,
+};
+
+static const float codebook_vector8_vals[] = {
+ 0.0000000, 1.0000000,
+ 2.5198421, 4.3267487,
+ 6.3496042, 8.5498797,
+ 10.9027236, 13.3905183,
+ 16.0000000, 18.7207544,
+ 21.5443469, 24.4637810,
+ 27.4731418,
+};
+
+/*
+ * bits 0:3, 4:7 index into _vals array
+ * 8:11 number of non-zero values
+ * 12:15 1: only second value non-zero
+ * 0: other cases
+ */
+static const uint16_t codebook_vector8_idx[] = {
+ 0x0000, 0x0110, 0x0120, 0x0130, 0x0140, 0x0150, 0x0160,
+ 0x0170, 0x0180, 0x0190, 0x01a0, 0x01b0, 0x01c0,
+ 0x1101, 0x0211, 0x0221, 0x0231, 0x0241, 0x0251, 0x0261,
+ 0x0271, 0x0281, 0x0291, 0x02a1, 0x02b1, 0x02c1,
+ 0x1102, 0x0212, 0x0222, 0x0232, 0x0242, 0x0252, 0x0262,
+ 0x0272, 0x0282, 0x0292, 0x02a2, 0x02b2, 0x02c2,
+ 0x1103, 0x0213, 0x0223, 0x0233, 0x0243, 0x0253, 0x0263,
+ 0x0273, 0x0283, 0x0293, 0x02a3, 0x02b3, 0x02c3,
+ 0x1104, 0x0214, 0x0224, 0x0234, 0x0244, 0x0254, 0x0264,
+ 0x0274, 0x0284, 0x0294, 0x02a4, 0x02b4, 0x02c4,
+ 0x1105, 0x0215, 0x0225, 0x0235, 0x0245, 0x0255, 0x0265,
+ 0x0275, 0x0285, 0x0295, 0x02a5, 0x02b5, 0x02c5,
+ 0x1106, 0x0216, 0x0226, 0x0236, 0x0246, 0x0256, 0x0266,
+ 0x0276, 0x0286, 0x0296, 0x02a6, 0x02b6, 0x02c6,
+ 0x1107, 0x0217, 0x0227, 0x0237, 0x0247, 0x0257, 0x0267,
+ 0x0277, 0x0287, 0x0297, 0x02a7, 0x02b7, 0x02c7,
+ 0x1108, 0x0218, 0x0228, 0x0238, 0x0248, 0x0258, 0x0268,
+ 0x0278, 0x0288, 0x0298, 0x02a8, 0x02b8, 0x02c8,
+ 0x1109, 0x0219, 0x0229, 0x0239, 0x0249, 0x0259, 0x0269,
+ 0x0279, 0x0289, 0x0299, 0x02a9, 0x02b9, 0x02c9,
+ 0x110a, 0x021a, 0x022a, 0x023a, 0x024a, 0x025a, 0x026a,
+ 0x027a, 0x028a, 0x029a, 0x02aa, 0x02ba, 0x02ca,
+ 0x110b, 0x021b, 0x022b, 0x023b, 0x024b, 0x025b, 0x026b,
+ 0x027b, 0x028b, 0x029b, 0x02ab, 0x02bb, 0x02cb,
+ 0x110c, 0x021c, 0x022c, 0x023c, 0x024c, 0x025c, 0x026c,
+ 0x027c, 0x028c, 0x029c, 0x02ac, 0x02bc, 0x02cc,
+};
+
+static const float codebook_vector10_vals[] = {
+ 0.0000000, 1.0000000,
+ 2.5198421, 4.3267487,
+ 6.3496042, 8.5498797,
+ 10.9027236, 13.3905183,
+ 16.0000000, 18.7207544,
+ 21.5443469, 24.4637810,
+ 27.4731418, 30.5673509,
+ 33.7419917, 36.9931811,
+};
+
+/*
+ * bits 0:3, 4:7 index into _vals array
+ * 8:9 bit mask of escape-coded entries
+ * 12:15 number of non-zero values
+ */
+static const uint16_t codebook_vector10_idx[] = {
+ 0x0000, 0x1010, 0x1020, 0x1030, 0x1040, 0x1050, 0x1060, 0x1070,
+ 0x1080, 0x1090, 0x10a0, 0x10b0, 0x10c0, 0x10d0, 0x10e0, 0x10f0, 0x1200,
+ 0x1001, 0x2011, 0x2021, 0x2031, 0x2041, 0x2051, 0x2061, 0x2071,
+ 0x2081, 0x2091, 0x20a1, 0x20b1, 0x20c1, 0x20d1, 0x20e1, 0x20f1, 0x2201,
+ 0x1002, 0x2012, 0x2022, 0x2032, 0x2042, 0x2052, 0x2062, 0x2072,
+ 0x2082, 0x2092, 0x20a2, 0x20b2, 0x20c2, 0x20d2, 0x20e2, 0x20f2, 0x2202,
+ 0x1003, 0x2013, 0x2023, 0x2033, 0x2043, 0x2053, 0x2063, 0x2073,
+ 0x2083, 0x2093, 0x20a3, 0x20b3, 0x20c3, 0x20d3, 0x20e3, 0x20f3, 0x2203,
+ 0x1004, 0x2014, 0x2024, 0x2034, 0x2044, 0x2054, 0x2064, 0x2074,
+ 0x2084, 0x2094, 0x20a4, 0x20b4, 0x20c4, 0x20d4, 0x20e4, 0x20f4, 0x2204,
+ 0x1005, 0x2015, 0x2025, 0x2035, 0x2045, 0x2055, 0x2065, 0x2075,
+ 0x2085, 0x2095, 0x20a5, 0x20b5, 0x20c5, 0x20d5, 0x20e5, 0x20f5, 0x2205,
+ 0x1006, 0x2016, 0x2026, 0x2036, 0x2046, 0x2056, 0x2066, 0x2076,
+ 0x2086, 0x2096, 0x20a6, 0x20b6, 0x20c6, 0x20d6, 0x20e6, 0x20f6, 0x2206,
+ 0x1007, 0x2017, 0x2027, 0x2037, 0x2047, 0x2057, 0x2067, 0x2077,
+ 0x2087, 0x2097, 0x20a7, 0x20b7, 0x20c7, 0x20d7, 0x20e7, 0x20f7, 0x2207,
+ 0x1008, 0x2018, 0x2028, 0x2038, 0x2048, 0x2058, 0x2068, 0x2078,
+ 0x2088, 0x2098, 0x20a8, 0x20b8, 0x20c8, 0x20d8, 0x20e8, 0x20f8, 0x2208,
+ 0x1009, 0x2019, 0x2029, 0x2039, 0x2049, 0x2059, 0x2069, 0x2079,
+ 0x2089, 0x2099, 0x20a9, 0x20b9, 0x20c9, 0x20d9, 0x20e9, 0x20f9, 0x2209,
+ 0x100a, 0x201a, 0x202a, 0x203a, 0x204a, 0x205a, 0x206a, 0x207a,
+ 0x208a, 0x209a, 0x20aa, 0x20ba, 0x20ca, 0x20da, 0x20ea, 0x20fa, 0x220a,
+ 0x100b, 0x201b, 0x202b, 0x203b, 0x204b, 0x205b, 0x206b, 0x207b,
+ 0x208b, 0x209b, 0x20ab, 0x20bb, 0x20cb, 0x20db, 0x20eb, 0x20fb, 0x220b,
+ 0x100c, 0x201c, 0x202c, 0x203c, 0x204c, 0x205c, 0x206c, 0x207c,
+ 0x208c, 0x209c, 0x20ac, 0x20bc, 0x20cc, 0x20dc, 0x20ec, 0x20fc, 0x220c,
+ 0x100d, 0x201d, 0x202d, 0x203d, 0x204d, 0x205d, 0x206d, 0x207d,
+ 0x208d, 0x209d, 0x20ad, 0x20bd, 0x20cd, 0x20dd, 0x20ed, 0x20fd, 0x220d,
+ 0x100e, 0x201e, 0x202e, 0x203e, 0x204e, 0x205e, 0x206e, 0x207e,
+ 0x208e, 0x209e, 0x20ae, 0x20be, 0x20ce, 0x20de, 0x20ee, 0x20fe, 0x220e,
+ 0x100f, 0x201f, 0x202f, 0x203f, 0x204f, 0x205f, 0x206f, 0x207f,
+ 0x208f, 0x209f, 0x20af, 0x20bf, 0x20cf, 0x20df, 0x20ef, 0x20ff, 0x220f,
+ 0x1100, 0x2110, 0x2120, 0x2130, 0x2140, 0x2150, 0x2160, 0x2170,
+ 0x2180, 0x2190, 0x21a0, 0x21b0, 0x21c0, 0x21d0, 0x21e0, 0x21f0, 0x2300,
+};
+
+const float *const ff_aac_codebook_vector_vals[] = {
+ codebook_vector0_vals, codebook_vector0_vals,
+ codebook_vector2_vals, codebook_vector2_vals,
+ codebook_vector4_vals, codebook_vector4_vals,
+ codebook_vector6_vals, codebook_vector6_vals,
+ codebook_vector8_vals, codebook_vector8_vals,
+ codebook_vector10_vals,
+};
+
+const uint16_t *const ff_aac_codebook_vector_idx[] = {
+ codebook_vector02_idx, codebook_vector02_idx,
+ codebook_vector02_idx, codebook_vector02_idx,
+ codebook_vector4_idx, codebook_vector4_idx,
+ codebook_vector6_idx, codebook_vector6_idx,
+ codebook_vector8_idx, codebook_vector8_idx,
+ codebook_vector10_idx,
+};
+
+/* @name swb_offsets
+ * Sample offset into the window indicating the beginning of a scalefactor
+ * window band
+ *
+ * scalefactor window band - term for scalefactor bands within a window,
+ * given in Table 4.110 to Table 4.128.
+ *
+ * scalefactor band - a set of spectral coefficients which are scaled by one
+ * scalefactor. In case of EIGHT_SHORT_SEQUENCE and grouping a scalefactor band
+ * may contain several scalefactor window bands of corresponding frequency. For
+ * all other window_sequences scalefactor bands and scalefactor window bands are
+ * identical.
+ * @{
+ */
+
+static const uint16_t swb_offset_1024_96[] = {
+ 0, 4, 8, 12, 16, 20, 24, 28,
+ 32, 36, 40, 44, 48, 52, 56, 64,
+ 72, 80, 88, 96, 108, 120, 132, 144,
+ 156, 172, 188, 212, 240, 276, 320, 384,
+ 448, 512, 576, 640, 704, 768, 832, 896,
+ 960, 1024
+};
+
+static const uint16_t swb_offset_128_96[] = {
+ 0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128
+};
+
+static const uint16_t swb_offset_1024_64[] = {
+ 0, 4, 8, 12, 16, 20, 24, 28,
+ 32, 36, 40, 44, 48, 52, 56, 64,
+ 72, 80, 88, 100, 112, 124, 140, 156,
+ 172, 192, 216, 240, 268, 304, 344, 384,
+ 424, 464, 504, 544, 584, 624, 664, 704,
+ 744, 784, 824, 864, 904, 944, 984, 1024
+};
+
+static const uint16_t swb_offset_1024_48[] = {
+ 0, 4, 8, 12, 16, 20, 24, 28,
+ 32, 36, 40, 48, 56, 64, 72, 80,
+ 88, 96, 108, 120, 132, 144, 160, 176,
+ 196, 216, 240, 264, 292, 320, 352, 384,
+ 416, 448, 480, 512, 544, 576, 608, 640,
+ 672, 704, 736, 768, 800, 832, 864, 896,
+ 928, 1024
+};
+
+static const uint16_t swb_offset_128_48[] = {
+ 0, 4, 8, 12, 16, 20, 28, 36,
+ 44, 56, 68, 80, 96, 112, 128
+};
+
+static const uint16_t swb_offset_1024_32[] = {
+ 0, 4, 8, 12, 16, 20, 24, 28,
+ 32, 36, 40, 48, 56, 64, 72, 80,
+ 88, 96, 108, 120, 132, 144, 160, 176,
+ 196, 216, 240, 264, 292, 320, 352, 384,
+ 416, 448, 480, 512, 544, 576, 608, 640,
+ 672, 704, 736, 768, 800, 832, 864, 896,
+ 928, 960, 992, 1024
+};
+
+static const uint16_t swb_offset_1024_24[] = {
+ 0, 4, 8, 12, 16, 20, 24, 28,
+ 32, 36, 40, 44, 52, 60, 68, 76,
+ 84, 92, 100, 108, 116, 124, 136, 148,
+ 160, 172, 188, 204, 220, 240, 260, 284,
+ 308, 336, 364, 396, 432, 468, 508, 552,
+ 600, 652, 704, 768, 832, 896, 960, 1024
+};
+
+static const uint16_t swb_offset_128_24[] = {
+ 0, 4, 8, 12, 16, 20, 24, 28,
+ 36, 44, 52, 64, 76, 92, 108, 128
+};
+
+static const uint16_t swb_offset_1024_16[] = {
+ 0, 8, 16, 24, 32, 40, 48, 56,
+ 64, 72, 80, 88, 100, 112, 124, 136,
+ 148, 160, 172, 184, 196, 212, 228, 244,
+ 260, 280, 300, 320, 344, 368, 396, 424,
+ 456, 492, 532, 572, 616, 664, 716, 772,
+ 832, 896, 960, 1024
+};
+
+static const uint16_t swb_offset_128_16[] = {
+ 0, 4, 8, 12, 16, 20, 24, 28,
+ 32, 40, 48, 60, 72, 88, 108, 128
+};
+
+static const uint16_t swb_offset_1024_8[] = {
+ 0, 12, 24, 36, 48, 60, 72, 84,
+ 96, 108, 120, 132, 144, 156, 172, 188,
+ 204, 220, 236, 252, 268, 288, 308, 328,
+ 348, 372, 396, 420, 448, 476, 508, 544,
+ 580, 620, 664, 712, 764, 820, 880, 944,
+ 1024
+};
+
+static const uint16_t swb_offset_128_8[] = {
+ 0, 4, 8, 12, 16, 20, 24, 28,
+ 36, 44, 52, 60, 72, 88, 108, 128
+};
+
+const uint16_t * const ff_swb_offset_1024[] = {
+ swb_offset_1024_96, swb_offset_1024_96, swb_offset_1024_64,
+ swb_offset_1024_48, swb_offset_1024_48, swb_offset_1024_32,
+ swb_offset_1024_24, swb_offset_1024_24, swb_offset_1024_16,
+ swb_offset_1024_16, swb_offset_1024_16, swb_offset_1024_8,
+ swb_offset_1024_8
+};
+
+const uint16_t * const ff_swb_offset_128[] = {
+ /* The last entry on the following row is swb_offset_128_64 but is a
+ duplicate of swb_offset_128_96. */
+ swb_offset_128_96, swb_offset_128_96, swb_offset_128_96,
+ swb_offset_128_48, swb_offset_128_48, swb_offset_128_48,
+ swb_offset_128_24, swb_offset_128_24, swb_offset_128_16,
+ swb_offset_128_16, swb_offset_128_16, swb_offset_128_8,
+ swb_offset_128_8
+};
+
+// @}
+
+/* @name ff_tns_max_bands
+ * The maximum number of scalefactor bands on which TNS can operate for the long
+ * and short transforms respectively. The index to these tables is related to
+ * the sample rate of the audio.
+ * @{
+ */
+const uint8_t ff_tns_max_bands_1024[] = {
+ 31, 31, 34, 40, 42, 51, 46, 46, 42, 42, 42, 39, 39
+};
+
+const uint8_t ff_tns_max_bands_128[] = {
+ 9, 9, 10, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14
+};
+// @}
+
+
#if CONFIG_HARDCODED_TABLES
/**