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144 lines
6.3 KiB
C++
144 lines
6.3 KiB
C++
#include "util.h"
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namespace snd {
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const u16 NotePitchTable[] = {
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0x8000, 0x879C, 0x8FAC, 0x9837, 0xA145, 0xAADC, 0xB504, 0xBFC8, 0xCB2F, 0xD744, 0xE411, 0xF1A1,
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0x8000, 0x800E, 0x801D, 0x802C, 0x803B, 0x804A, 0x8058, 0x8067, 0x8076, 0x8085, 0x8094, 0x80A3,
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0x80B1, 0x80C0, 0x80CF, 0x80DE, 0x80ED, 0x80FC, 0x810B, 0x811A, 0x8129, 0x8138, 0x8146, 0x8155,
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0x8164, 0x8173, 0x8182, 0x8191, 0x81A0, 0x81AF, 0x81BE, 0x81CD, 0x81DC, 0x81EB, 0x81FA, 0x8209,
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0x8218, 0x8227, 0x8236, 0x8245, 0x8254, 0x8263, 0x8272, 0x8282, 0x8291, 0x82A0, 0x82AF, 0x82BE,
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0x82CD, 0x82DC, 0x82EB, 0x82FA, 0x830A, 0x8319, 0x8328, 0x8337, 0x8346, 0x8355, 0x8364, 0x8374,
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0x8383, 0x8392, 0x83A1, 0x83B0, 0x83C0, 0x83CF, 0x83DE, 0x83ED, 0x83FD, 0x840C, 0x841B, 0x842A,
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0x843A, 0x8449, 0x8458, 0x8468, 0x8477, 0x8486, 0x8495, 0x84A5, 0x84B4, 0x84C3, 0x84D3, 0x84E2,
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0x84F1, 0x8501, 0x8510, 0x8520, 0x852F, 0x853E, 0x854E, 0x855D, 0x856D, 0x857C, 0x858B, 0x859B,
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0x85AA, 0x85BA, 0x85C9, 0x85D9, 0x85E8, 0x85F8, 0x8607, 0x8617, 0x8626, 0x8636, 0x8645, 0x8655,
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0x8664, 0x8674, 0x8683, 0x8693, 0x86A2, 0x86B2, 0x86C1, 0x86D1, 0x86E0, 0x86F0, 0x8700, 0x870F,
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0x871F, 0x872E, 0x873E, 0x874E, 0x875D, 0x876D, 0x877D, 0x878C};
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u16 sceSdNote2Pitch(u16 center_note, u16 center_fine, u16 note, short fine) {
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s32 _fine;
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s32 _fine2;
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s32 _note;
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s32 offset1, offset2;
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s32 val;
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s32 val2;
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s32 val3;
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s32 ret;
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_fine = fine + (u16)center_fine;
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_fine2 = _fine;
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if (_fine < 0)
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_fine2 = _fine + 127;
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_fine2 = _fine2 / 128;
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_note = note + _fine2 - center_note;
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val3 = _note / 6;
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if (_note < 0)
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val3--;
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offset2 = _fine - _fine2 * 128;
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if (_note < 0)
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val2 = -1;
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else
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val2 = 0;
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if (val3 < 0)
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val3--;
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val2 = (val3 / 2) - val2;
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val = val2 - 2;
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offset1 = _note - (val2 * 12);
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if ((offset1 < 0) || ((offset1 == 0) && (offset2 < 0))) {
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offset1 = offset1 + 12;
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val = val2 - 3;
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}
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if (offset2 < 0) {
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offset1 = (offset1 - 1) + _fine2;
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offset2 += (_fine2 + 1) * 128;
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}
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ret = (NotePitchTable[offset1] * NotePitchTable[offset2 + 12]) / 0x10000;
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if (val < 0)
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ret = (ret + (1 << (-val - 1))) >> -val;
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return (u16)ret;
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}
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const VolPair normalPanTable[181] = {
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{0x3fff, 0x0000}, {0x3ffe, 0x008e}, {0x3ffc, 0x011d}, {0x3ff9, 0x01ac}, {0x3ff5, 0x023b},
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{0x3fef, 0x02ca}, {0x3fe8, 0x0359}, {0x3fe0, 0x03e8}, {0x3fd7, 0x0476}, {0x3fcc, 0x0505},
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{0x3fc0, 0x0593}, {0x3fb3, 0x0622}, {0x3fa5, 0x06b0}, {0x3f95, 0x073e}, {0x3f84, 0x07cc},
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{0x3f72, 0x085a}, {0x3f5f, 0x08e8}, {0x3f4b, 0x0975}, {0x3f35, 0x0a02}, {0x3f1e, 0x0a8f},
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{0x3f06, 0x0b1c}, {0x3eec, 0x0ba9}, {0x3ed1, 0x0c36}, {0x3eb6, 0x0cc2}, {0x3e98, 0x0d4e},
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{0x3e7a, 0x0dd9}, {0x3e5b, 0x0e65}, {0x3e3a, 0x0ef0}, {0x3e18, 0x0f7b}, {0x3df5, 0x1005},
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{0x3dd0, 0x1090}, {0x3dab, 0x111a}, {0x3d84, 0x11a3}, {0x3d5c, 0x122d}, {0x3d33, 0x12b5},
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{0x3d08, 0x133e}, {0x3cdd, 0x13c6}, {0x3cb0, 0x144e}, {0x3c82, 0x14d5}, {0x3c53, 0x155c},
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{0x3c22, 0x15e3}, {0x3bf1, 0x1669}, {0x3bbe, 0x16ef}, {0x3b8b, 0x1774}, {0x3b56, 0x17f9},
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{0x3b1f, 0x187d}, {0x3ae8, 0x1901}, {0x3ab0, 0x1984}, {0x3a76, 0x1a07}, {0x3a3b, 0x1a89},
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{0x3a00, 0x1b0b}, {0x39c3, 0x1b8d}, {0x3984, 0x1c0d}, {0x3945, 0x1c8e}, {0x3905, 0x1d0d},
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{0x38c3, 0x1d8c}, {0x3881, 0x1e0b}, {0x383d, 0x1e89}, {0x37f8, 0x1f06}, {0x37b3, 0x1f83},
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{0x376c, 0x1fff}, {0x3724, 0x207b}, {0x36da, 0x20f5}, {0x3690, 0x2170}, {0x3645, 0x21e9},
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{0x35f9, 0x2262}, {0x35ab, 0x22da}, {0x355d, 0x2352}, {0x350e, 0x23c9}, {0x34bd, 0x243f},
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{0x346c, 0x24b4}, {0x3419, 0x2529}, {0x33c6, 0x259d}, {0x3371, 0x2610}, {0x331c, 0x2683},
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{0x32c5, 0x26f5}, {0x326d, 0x2766}, {0x3215, 0x27d6}, {0x31bb, 0x2846}, {0x3161, 0x28b4},
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{0x3106, 0x2922}, {0x30a9, 0x298f}, {0x304c, 0x29fc}, {0x2fee, 0x2a67}, {0x2f8e, 0x2ad2},
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{0x2f2e, 0x2b3c}, {0x2ecd, 0x2ba5}, {0x2e6b, 0x2c0d}, {0x2e08, 0x2c74}, {0x2da5, 0x2cda},
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{0x2d40, 0x2d40}, {0x2cda, 0x2da5}, {0x2c74, 0x2e08}, {0x2c0d, 0x2e6b}, {0x2ba5, 0x2ecd},
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{0x2b3c, 0x2f2e}, {0x2ad2, 0x2f8e}, {0x2a67, 0x2fee}, {0x29fc, 0x304c}, {0x298f, 0x30a9},
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{0x2922, 0x3106}, {0x28b4, 0x3161}, {0x2846, 0x31bb}, {0x27d6, 0x3215}, {0x2766, 0x326d},
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{0x26f5, 0x32c5}, {0x2683, 0x331c}, {0x2610, 0x3371}, {0x259d, 0x33c6}, {0x2529, 0x3419},
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{0x24b4, 0x346c}, {0x243f, 0x34bd}, {0x23c9, 0x350e}, {0x2352, 0x355d}, {0x22da, 0x35ab},
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{0x2262, 0x35f9}, {0x21e9, 0x3645}, {0x2170, 0x3690}, {0x20f5, 0x36da}, {0x207b, 0x3724},
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{0x1fff, 0x376c}, {0x1f83, 0x37b3}, {0x1f06, 0x37f8}, {0x1e89, 0x383d}, {0x1e0b, 0x3881},
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{0x1d8c, 0x38c3}, {0x1d0d, 0x3905}, {0x1c8e, 0x3945}, {0x1c0d, 0x3984}, {0x1b8d, 0x39c3},
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{0x1b0b, 0x3a00}, {0x1a89, 0x3a3b}, {0x1a07, 0x3a76}, {0x1984, 0x3ab0}, {0x1901, 0x3ae8},
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{0x187d, 0x3b1f}, {0x17f9, 0x3b56}, {0x1774, 0x3b8b}, {0x16ef, 0x3bbe}, {0x1669, 0x3bf1},
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{0x15e3, 0x3c22}, {0x155c, 0x3c53}, {0x14d5, 0x3c82}, {0x144e, 0x3cb0}, {0x13c6, 0x3cdd},
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{0x133e, 0x3d08}, {0x12b5, 0x3d33}, {0x122d, 0x3d5c}, {0x11a3, 0x3d84}, {0x111a, 0x3dab},
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{0x1090, 0x3dd0}, {0x1005, 0x3df5}, {0x0f7b, 0x3e18}, {0x0ef0, 0x3e3a}, {0x0e65, 0x3e5b},
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{0x0dd9, 0x3e7a}, {0x0d4e, 0x3e98}, {0x0cc2, 0x3eb6}, {0x0c36, 0x3ed1}, {0x0ba9, 0x3eec},
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{0x0b1c, 0x3f06}, {0x0a8f, 0x3f1e}, {0x0a02, 0x3f35}, {0x0975, 0x3f4b}, {0x08e8, 0x3f5f},
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{0x085a, 0x3f72}, {0x07cc, 0x3f84}, {0x073e, 0x3f95}, {0x06b0, 0x3fa5}, {0x0622, 0x3fb3},
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{0x0593, 0x3fc0}, {0x0505, 0x3fcc}, {0x0476, 0x3fd7}, {0x03e8, 0x3fe0}, {0x0359, 0x3fe8},
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{0x02ca, 0x3fef}, {0x023b, 0x3ff5}, {0x01ac, 0x3ff9}, {0x011d, 0x3ffc}, {0x008e, 0x3ffe},
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};
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u16 PS1Note2Pitch(s8 center_note, s8 center_fine, short note, short fine) {
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bool ps1_note = false;
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if (center_note >= 0) {
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ps1_note = true;
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} else {
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center_note = -center_note;
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}
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u16 pitch = sceSdNote2Pitch(center_note, center_fine, note, fine);
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if (ps1_note) {
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pitch = 44100 * pitch / 48000;
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}
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return pitch;
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}
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std::pair<s16, s16> PitchBend(Tone& tone,
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int current_pb,
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int current_pm,
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int start_note,
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int start_fine) {
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s32 v9 = (start_note << 7) + start_fine + current_pm;
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s32 v7;
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if (current_pb >= 0)
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v7 = tone.PBHigh * (current_pb << 7) / 0x7fff + v9;
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else
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v7 = tone.PBLow * (current_pb << 7) / 0x8000 + v9;
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return {v7 / 128, v7 % 128};
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}
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} // namespace snd
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