diff options
Diffstat (limited to 'libavcodec/aactab.c')
| -rw-r--r-- | libavcodec/aactab.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/libavcodec/aactab.c b/libavcodec/aactab.c index 22a42bed43..bf1fea9946 100644 --- a/libavcodec/aactab.c +++ b/libavcodec/aactab.c @@ -899,6 +899,192 @@ const float * const ff_aac_codebook_vectors[] = { 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 |