mod_player 0.1.4

A library for parsing and playing mod music files
Documentation 
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pub static VIBRATO_TABLE: [i32; 64] = [
    0, 24, 49, 74, 97, 120, 141, 161, 180, 197, 212, 224, 235, 244, 250, 253, 255, 253, 250, 244,
    235, 224, 212, 197, 180, 161, 141, 120, 97, 74, 49, 24, -0, -24, -49, -74, -97, -120, -141,
    -161, -180, -197, -212, -224, -235, -244, -250, -253, -255, -253, -250, -244, -235, -224, -212,
    -197, -180, -161, -141, -120, -97, -74, -49, -24,
];

#[rustfmt::skip]
pub static FREQUENCY_TABLE: [u32; 60] = [
    // B    A#      A       G#      G       F#      F       E       D#      D       C#      C
    57,     60,     64,     67,     71,     76,     80,     85,     90,     95,     101,    107, 
    113,    120,    127,    135,    143,    151,    160,    170,    180,    190,    202,    214, 
    226,    240,    254,    269,    285,    302,    320,    339,    360,    381,    404,    428, 
    453,    480,    508,    538,    570,    604,    640,    678,    720,    762,    808,    856, 
    907,    961,    1017,   1077,   1141,   1209,   1281,   1357,   1440,   1525,   1616,   1712,
];

#[rustfmt::skip]
pub static FINE_TUNE_TABLE : [ [ u32; 60 ]; 16 ] = [
[   56, 60, 63, 67, 71, 75, 80, 85, 90, 95, 101, 107,                                       // 0
    113, 120, 127, 135, 143, 151, 160, 170, 180, 190, 202, 214,
    226, 240, 254, 269, 285, 302, 320, 339, 360, 381, 404, 428,
    453, 480, 508, 538, 570, 604, 640, 678, 720, 762, 808, 856,
    906, 960, 1016, 1076, 1140, 1208, 1280, 1356, 1440, 1524, 1616, 1712 ],
[   56, 59, 63, 67, 71, 75, 79, 84, 89, 94, 100, 106,                                       // 1
    113, 119, 126, 134, 142, 150, 159, 169, 179, 189, 201, 213,
    225, 239, 253, 268, 284, 300, 318, 337, 357, 379, 401, 425,
    450, 477, 505, 535, 567, 601, 637, 674, 715, 757, 802, 850,
    900, 954, 1010, 1070, 1134, 1202, 1274, 1348, 1430, 1514, 1604, 1700 ],
[   56, 59, 62, 66, 70, 74, 79, 83, 88, 94, 99, 105,                                        // 2
    112, 118, 125, 133, 141, 149, 158, 167, 177, 188, 199, 211,
    224, 237, 251, 266, 282, 298, 316, 335, 355, 376, 398, 422,
    447, 474, 502, 532, 563, 597, 632, 670, 709, 752, 796, 844,
    894, 948, 1004, 1064, 1126, 1194, 1264, 1340, 1418, 1504, 1592, 1688 ],
[   55, 59, 62, 66, 70, 74, 78, 83, 88, 93, 99, 104,                                        // 3
    111, 118, 125, 132, 140, 148, 157, 166, 176, 187, 198, 209,
    222, 235, 249, 264, 280, 296, 314, 332, 352, 373, 395, 419,
    444, 470, 498, 528, 559, 592, 628, 665, 704, 746, 791, 838,
    888, 940, 996, 1056, 1118, 1184, 1256, 1330, 1408, 1492, 1582, 1676 ],
[   55, 58, 62, 65, 69, 73, 78, 82, 87, 92, 98, 104,                                        // 4
    110, 117, 124, 131, 139, 147, 156, 165, 175, 185, 196, 208,
    220, 233, 247, 262, 278, 294, 312, 330, 350, 370, 392, 416,
    441, 467, 495, 524, 555, 588, 623, 660, 699, 741, 785, 832,
    882, 934, 990, 1048, 1110, 1176, 1246, 1320, 1398, 1482, 1570, 1664 ],
[   54, 58, 61, 65, 69, 73, 77, 82, 87, 92, 97, 103,                                        // 5
    109, 116, 123, 130, 138, 146, 155, 164, 174, 184, 195, 206,
    219, 232, 245, 260, 276, 292, 309, 328, 347, 368, 390, 413,
    437, 463, 491, 520, 551, 584, 619, 655, 694, 736, 779, 826,
    874, 926, 982, 1040, 1102, 1168, 1238, 1310, 1388, 1472, 1558, 1652 ],
[   54, 57, 61, 64, 68, 72, 77, 81, 86, 91, 96, 102,                                        // 6
    109, 115, 122, 129, 137, 145, 154, 163, 172, 183, 193, 205,
    217, 230, 244, 258, 274, 290, 307, 325, 345, 365, 387, 410,
    434, 460, 487, 516, 547, 580, 614, 651, 689, 730, 774, 820,
    868, 920, 974, 1032, 1094, 1160, 1228, 1302, 1378, 1460, 1548, 1640 ],
[   54, 57, 60, 64, 68, 72, 76, 80, 85, 90, 96, 102,                                        // 7
    108, 114, 121, 128, 136, 144, 152, 161, 171, 181, 192, 204,
    216, 228, 242, 256, 272, 288, 305, 323, 342, 363, 384, 407,
    431, 457, 484, 513, 543, 575, 610, 646, 684, 725, 768, 814,
    862, 914, 968, 1026, 1086, 1150, 1220, 1292, 1368, 1450, 1536, 1628 ],
[   60, 63, 67, 71, 75, 80, 85, 90, 95, 101, 107, 113,                                      // -8
    120, 127, 135, 143, 151, 160, 170, 180, 190, 202, 214, 226,
    240, 254, 269, 285, 302, 320, 339, 360, 381, 404, 428, 453,
    480, 508, 538, 570, 604, 640, 678, 720, 762, 808, 856, 907,
    960, 1016, 1076, 1140, 1208, 1280, 1356, 1440, 1524, 1616, 1712, 1814 ],
[   59, 63, 67, 71, 75, 79, 84, 89, 94, 100, 106, 112,
    119, 126, 134, 142, 150, 159, 169, 179, 189, 200, 212, 225,
    238, 253, 268, 284, 300, 318, 337, 357, 379, 401, 425, 450,
    477, 505, 535, 567, 601, 636, 675, 715, 757, 802, 850, 900,
    954, 1010, 1070, 1134, 1202, 1272, 1350, 1430, 1514, 1604, 1700, 1800 ],
[   59, 62, 66, 70, 74, 79, 83, 88, 94, 99, 105, 111,
    118, 125, 133, 141, 149, 158, 167, 177, 188, 199, 211, 223,
    237, 251, 266, 282, 298, 316, 335, 355, 376, 398, 422, 447,
    474, 502, 532, 563, 597, 632, 670, 709, 752, 796, 844, 894,
    948, 1004, 1064, 1126, 1194, 1264, 1340, 1418, 1504, 1592, 1688, 1788 ],
[   59, 62, 66, 70, 74, 78, 83, 88, 93, 99, 104, 111,
    118, 125, 132, 140, 148, 157, 166, 176, 187, 198, 209, 222,
    235, 249, 264, 280, 296, 314, 332, 352, 373, 395, 419, 444,
    470, 498, 528, 559, 592, 628, 665, 704, 746, 791, 838, 887,
    940, 996, 1056, 1118, 1184, 1256, 1330, 1408, 1492, 1582, 1676, 1774 ],
[   58, 61, 65, 69, 73, 78, 82, 87, 92, 98, 104, 110,
    117, 123, 131, 139, 147, 156, 165, 175, 185, 196, 208, 220,
    233, 247, 262, 278, 294, 312, 330, 350, 370, 392, 416, 441,
    467, 494, 524, 555, 588, 623, 660, 699, 741, 785, 832, 881,
    934, 988, 1048, 1110, 1176, 1246, 1320, 1398, 1482, 1570, 1664, 1762 ],
[   58, 61, 65, 69, 73, 77, 82, 87, 92, 97, 103, 109,
    116, 123, 130, 138, 146, 155, 164, 174, 184, 195, 206, 219,
    232, 245, 260, 276, 292, 309, 328, 347, 368, 390, 413, 437,
    463, 491, 520, 551, 584, 619, 655, 694, 736, 779, 826, 875,
    926, 982, 1040, 1102, 1168, 1238, 1310, 1388, 1472, 1558, 1652, 1750 ],
[   57, 61, 64, 68, 72, 77, 81, 86, 91, 96, 102, 108,
    115, 122, 129, 137, 145, 154, 163, 172, 183, 193, 205, 217,
    230, 244, 258, 274, 290, 307, 325, 345, 365, 387, 410, 434,
    460, 487, 516, 547, 580, 614, 651, 689, 730, 774, 820, 868,
    920, 974, 1032, 1094, 1160, 1228, 1302, 1378, 1460, 1548, 1640, 1736 ],
[   57, 60, 64, 68, 72, 76, 80, 85, 90, 96, 101, 108,
    114, 121, 128, 136, 144, 152, 161, 171, 181, 192, 203, 216,
    228, 242, 256, 272, 288, 305, 323, 342, 363, 384, 407, 431,
    457, 484, 513, 543, 575, 610, 646, 684, 725, 768, 814, 862,
    914, 968, 1026, 1086, 1150, 1220, 1292, 1368, 1450, 1536, 1628, 1724,
]];

pub static SCALE_FINE_TUNE: [f32; 16] = [
    // from 0 to 7
    1.0, 1.0072464, 1.0145453, 1.0218972, 1.0293022, 1.036761, 1.0442737, 1.051841,
    // from -8 to -1
    0.9438743, 0.950714, 0.9576033, 0.96454245, 0.9715319, 0.9785721, 0.9856632, 0.9928057,
];