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oot/include/z64audio.h
zelda2774 a0d2cceeca
Match some audio functions (#896) 
* cleanups

* Improve Audio_SequencePlayerProcessSequence

* cleanup

* labeling

* progress on func_800E5000

* func_800F6268

* func_800ECDF8

* Improve func_800F2464

* reorder variables

* labelling

* non-equivalent func_800EEA50

* minor doc

* func_800E6590

* minor doc

* Reformat abi.h

* Very slight improvements

* func_800DC384

* func_800E1618

* formatting

Co-authored-by: zelda2774 <zelda2774@invalid>
2021-08-12 15:37:37 -04:00

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#ifndef _Z64_AUDIO_H_
#define _Z64_AUDIO_H_
#define MK_CMD(b0,b1,b2,b3) ((((b0) & 0xFF) << 0x18) | (((b1) & 0xFF) << 0x10) | (((b2) & 0xFF) << 0x8) | (((b3) & 0xFF) << 0))
/**
* Structs in this repository have primarily been imported from the SM64 Decompilation.
* Many struct members are wrong; the symbol '?' next to an offset means the member is a guess.
*/
#define NO_LAYER ((SequenceChannelLayer*)(-1))
#define NO_CHANNEL ((SequenceChannel*)(-1))
#define TATUMS_PER_BEAT 48
#define IS_SEQUENCE_CHANNEL_VALID(ptr) ((u32)(ptr) != (u32)&gAudioContext.sequenceChannelNone)
#define ADSR_STATE_DISABLED 0
#define ADSR_STATE_INITIAL 1
#define ADSR_STATE_START_LOOP 2
#define ADSR_STATE_LOOP 3
#define ADSR_STATE_FADE 4
#define ADSR_STATE_HANG 5
#define ADSR_STATE_DECAY 6
#define ADSR_STATE_RELEASE 7
#define ADSR_STATE_SUSTAIN 8
#define ADSR_DISABLE 0
#define ADSR_HANG -1
#define ADSR_GOTO -2
#define ADSR_RESTART -3
#define AIBUF_LEN 0xB00
struct Note;
struct NotePool;
struct SequenceChannel;
struct SequenceChannelLayer;
typedef struct AudioListItem {
// A node in a circularly linked list. Each node is either a head or an item:
// - Items can be either detached (prev = NULL), or attached to a list.
// 'value' points to something of interest.
// - List heads are always attached; if a list is empty, its head points
// to itself. 'count' contains the size of the list.
// If the list holds notes, 'pool' points back to the pool where it lives.
// Otherwise, that member is NULL.
/* 0x00 */ struct AudioListItem* prev;
/* 0x04 */ struct AudioListItem* next;
/* 0x08 */ union {
void* value; // either Note* or SequenceChannelLayer*
s32 count;
} u;
/* 0x0C */ struct NotePool* pool;
} AudioListItem; // size = 0x10
typedef struct NotePool {
/* 0x00 */ AudioListItem disabled;
/* 0x10 */ AudioListItem decaying;
/* 0x20 */ AudioListItem releasing;
/* 0x30 */ AudioListItem active;
} NotePool;
// Pitch sliding by up to one octave in the positive direction. Negative
// direction is "supported" by setting extent to be negative. The code
// exterpolates exponentially in the wrong direction in that case, but that
// doesn't prevent seqplayer from doing it, AFAICT.
typedef struct {
/* 0x00 */ u8 mode; // bit 0x80 denotes something; the rest are an index 0-5
/* 0x02 */ u16 cur;
/* 0x04 */ u16 speed;
/* 0x08 */ f32 extent;
} Portamento; // size = 0xC
typedef struct {
/*?0x0 */ s16 delay;
/*?0x2 */ s16 arg;
} AdsrEnvelope; // size = 0x4?
typedef struct {
/*?0x00 */ u32 start;
/* 0x04 */ u32 end;
/*?0x08 */ u32 count;
/*?0x0C */ char unk_0C[0x4];
/*?0x10 */ s16 state[16]; // only exists if count != 0. 8-byte aligned
} AdpcmLoop; // size = 0x30
typedef struct {
/*?0x00 */ s32 order;
/*?0x04 */ s32 npredictors;
/*?0x08 */ s16 book[1]; // size 8 * order * npredictors. 8-byte aligned
} AdpcmBook;
typedef struct {
union{
struct {
/* 0x00 */ u32 bits4 : 4;
/* 0x00 */ u32 bits2 : 2;
/* 0x00 */ u32 unk_bits26 : 1;
/* 0x00 */ u32 unk_bits25 : 1;
/* 0x01 */ u32 size : 24;
};
u32 bits;
};
/* 0x04 */ u8* sampleAddr;
/* 0x08 */ AdpcmLoop* loop;
/*?0x0C */ AdpcmBook* book;
} AudioBankSample; // size = 0x10
typedef struct {
/* 0x00 */ AudioBankSample* sample;
/* 0x04 */ f32 tuning; // frequency scale factor
} AudioBankSound; // size = 0x8
typedef struct {
/*?0x00 */ s16 numSamplesAfterDownsampling;
/*?0x02 */ s16 chunkLen; // never read
/* 0x04 */ s16* toDownsampleLeft;
/* 0x08 */ s16* toDownsampleRight; // data pointed to by left and right are adjacent in memory
/*?0x0C */ s32 startPos; // start pos in ring buffer
/*?0x10 */ s16 lengthA; // first length in ring buffer (from startPos, at most until end)
/*?0x12 */ s16 lengthB; // second length in ring buffer (from pos 0)
/* 0x14 */ u16 unk_14;
/* 0x16 */ u16 unk_16;
/* 0x18 */ u16 unk_18;
/* 0x1A */ char unk_1A[2];
} ReverbRingBufferItem; // size = 0x1C
typedef struct {
/* 0x000 */ u8 resampleFlags;
/* 0x001 */ u8 useReverb;
/* 0x002 */ u8 framesToIgnore;
/* 0x003 */ u8 curFrame;
/* 0x004 */ u8 downsampleRate;
/* 0x005 */ s8 unk_05;
/* 0x006 */ u16 windowSize;
/* 0x008 */ s16 unk_08;
/* 0x00A */ s16 unk_0A;
/* 0x00C */ u16 unk_0C;
/* 0x00E */ u16 unk_0E;
/* 0x010 */ s16 unk_10;
/* 0x012 */ s16 unk_12;
/* 0x014 */ u16 unk_14;
/* 0x016 */ s16 unk_16;
/* 0x018 */ u8 unk_18;
/* 0x019 */ u8 unk_19;
/* 0x01A */ u8 unk_1A;
/* 0x01B */ u8 unk_1B;
/* 0x01C */ s32 nextRingBufPos;
/* 0x020 */ s32 unk_20;
/* 0x024 */ s32 bufSizePerChan;
/* 0x028 */ s16* leftRingBuf;
/* 0x02C */ s16* rightRingBuf;
/* 0x030 */ void* unk_30;
/* 0x034 */ void* unk_34;
/* 0x038 */ void* unk_38;
/* 0x03C */ void* unk_3C;
/* 0x040 */ ReverbRingBufferItem items[2][5];
/*?0x158 */ ReverbRingBufferItem items2[2][5];
/* 0x270 */ s16* unk_270;
/* 0x274 */ s16* unk_274;
/* 0x278 */ void* unk_278;
/* 0x27C */ void* unk_27C;
/* 0x280 */ AudioBankSound sound;
/* 0x288 */ AudioBankSample sample;
/* 0x298 */ AdpcmLoop loop;
} SynthesisReverb; // size = 0x2C8
typedef struct {
/*?0x00 */ u8 loaded;
/* 0x01 */ u8 normalRangeLo;
/* 0x02 */ u8 normalRangeHi;
/* 0x03 */ u8 releaseRate;
/* 0x04 */ AdsrEnvelope* envelope;
/* 0x08 */ AudioBankSound lowNotesSound;
/* 0x10 */ AudioBankSound normalNotesSound;
/* 0x18 */ AudioBankSound highNotesSound;
} Instrument; // size >= 0x20
typedef struct {
/* 0x00 */ u8 releaseRate;
/* 0x01 */ u8 pan;
/*?0x02 */ u8 loaded;
/* 0x04 */ AudioBankSound sound;
/* 0x14 */ AdsrEnvelope* envelope;
} Drum; // size >= 0x14
typedef struct {
/* 0x00 */ u8 numInstruments;
/* 0x01 */ u8 numDrums;
/* 0x02 */ u8 unk_02;
/* 0x03 */ u8 unk_03;
/* 0x04 */ u16 numSfx;
/* 0x08 */ Instrument** instruments;
/* 0x0C */ Drum** drums;
/* 0x10 */ AudioBankSound* soundEffects;
} CtlEntry; // size = 0x14
typedef struct {
/* 0x00 */ u8* pc;
/* 0x04 */ u8* stack[4];
/* 0x14 */ u8 remLoopIters[4];
/* 0x18 */ u8 depth;
/* 0x19 */ s8 value;
} M64ScriptState; // size = 0x1C
// Also known as a Group, according to sm64 debug strings.
typedef struct {
union {
s32 playerState;
struct {
/* 0x000 */ u8 enabled : 1;
/*?0x000 */ u8 finished : 1;
/* 0x000 */ u8 muted : 1;
/* 0x000 */ u8 seqDmaInProgress : 1;
/* 0x000 */ u8 bankDmaInProgress : 1;
/*?0x000 */ u8 recalculateVolume : 1;
/* 0x000 */ u8 unk_0b2 : 1;
/* 0x000 */ u8 unk_0b1 : 1;
/* 0x001 */ u8 state;
/* 0x002 */ u8 noteAllocPolicy;
union {
/* 0x003 */ u8 muteBehavior;
struct {
u8 mute_u00 : 1;
u8 mute_u01 : 1;
u8 mute_u02 : 1;
u8 mute_u03 : 1;
u8 mute_u04 : 1;
u8 mute_u05 : 1;
u8 mute_u06 : 1;
u8 mute_u07 : 1;
};
};
};
};
/* 0x004 */ u8 seqId;
/* 0x005 */ u8 defaultBank;
/*?0x006 */ u8 loadingBankId;
/*?0x007 */ s8 seqVariationEu;
/* 0x008 */ u16 tempo; // tatums per minute
/* 0x00A */ u16 tempoAcc;
/* 0x00C */ u16 unk_0C;
/* 0x00E */ s16 transposition;
/* 0x010 */ u16 delay;
/* 0x012 */ u16 fadeTimer;
/* 0x014 */ u16 fadeTimerUnkEu;
/* 0x016 */ char unk_16[0x2];
/* 0x018 */ u8* seqData;
/* 0x01C */ f32 fadeVolume;
/* 0x020 */ f32 fadeVelocity;
/* 0x024 */ f32 volume;
/* 0x028 */ f32 muteVolumeScale;
/* 0x02C */ f32 fadeVolumeScale;
/* 0x030 */ f32 appliedFadeVolume;
/* 0x034 */ f32 unk_34;
/* 0x038 */ struct SequenceChannel* channels[16];
/*?0x078 */ M64ScriptState scriptState;
/* 0x094 */ u8* shortNoteVelocityTable;
/* 0x098 */ u8* shortNoteDurationTable;
/* 0x09C */ NotePool notePool;
/* 0x0DC */ s32 unk_DC;
/* 0x0E0 */ u32 unk_E0;
/* 0x0E4 */ u8 pad_E4[0x10]; // OSMesgQueue seqDmaMesgQueue;
/*?0x0F4 */ OSMesg seqDmaMesg;
/*?0x0F8 */ OSIoMesg seqDmaIoMesg;
/*?0x110 */ OSMesgQueue bankDmaMesgQueue;
/*?0x128 */ OSMesg bankDmaMesg;
/*?0x12C */ OSIoMesg bankDmaIoMesg;
/*?0x144 */ u8* bankDmaCurrMemAddr;
/*?0x148 */ u32 bankDmaCurrDevAddr;
/*?0x14C */ s32 bankDmaRemaining;
/* */ u8 pad_150[8];
/* 0x158 */ s8 unk_158[8]; // seqVariationEu? soundScriptIO?
} SequencePlayer; // size = 0x160
typedef struct {
/* 0x0 */ u8 releaseRate;
/* 0x1 */ u8 sustain;
/* 0x4 */ AdsrEnvelope* envelope;
} AdsrSettings; // size = 0x8
typedef struct {
/* 0x00 */ union {
struct A {
/* 0x00 */ u8 unk_0b80 : 1;
/* 0x00 */ u8 hang : 1;
/* 0x00 */ u8 decay : 1;
/* 0x00 */ u8 release : 1;
/* 0x00 */ u8 state : 4;
} s;
/* 0x00 */ u8 asByte;
} action;
/* 0x01 */ u8 envIndex;
/* 0x02 */ s16 delay;
/* 0x04 */ f32 sustain;
/* 0x08 */ f32 velocity;
/* 0x0C */ f32 fadeOutVel;
/* 0x10 */ f32 current;
/* 0x14 */ f32 target;
/* 0x18 */ char unk_18[4];
/* 0x1C */ AdsrEnvelope* envelope;
} AdsrState;
typedef struct {
/* 0x00 */ u8 bit0 : 1;
/* 0x00 */ u8 bit1 : 1;
/* 0x00 */ u8 bit2 : 2;
/* 0x00 */ u8 strongRight : 1;
/* 0x00 */ u8 strongLeft : 1;
/* 0x00 */ u8 stereoHeadsetEffects : 1;
/* 0x00 */ u8 usesHeadsetPanEffects : 1;
} ReverbBitsData;
typedef union {
/* 0x00 */ ReverbBitsData s;
/* 0x00 */ u8 asByte;
} ReverbBits;
typedef struct {
/* 0x00 */ u8 reverb;
/* 0x01 */ u8 unk_1;
/* 0x02 */ u8 pan;
/* 0x03 */ ReverbBits reverbBits;
/* 0x04 */ u8 unk_4;
/* 0x06 */ u16 unk_6;
/* 0x08 */ f32 freqScale;
/* 0x0C */ f32 velocity;
/* 0x10 */ s16* unk_10;
/* 0x14 */ s16 unk_14[8];
} NoteAttributes; // size = 0x24
// Also known as a SubTrack, according to sm64 debug strings.
// Confusingly, a SubTrack is a container of Tracks.
typedef struct SequenceChannel {
union {
s32 channelState;
struct {
/* 0x00 */ u8 enabled : 1;
/* 0x00 */ u8 finished : 1;
/* 0x00 */ u8 stopScript : 1;
/* 0x00 */ u8 stopSomething2 : 1; // sets SequenceChannelLayer.stopSomething
/* 0x00 */ u8 hasInstrument : 1;
/* 0x00 */ u8 stereoHeadsetEffects : 1;
/* 0x00 */ u8 largeNotes : 1; // notes specify duration and velocity
/* 0x00 */ u8 unused : 1; // still unused?
union {
struct {
/* 0x01 */ u8 freqScale : 1;
/* 0x01 */ u8 volume : 1;
/* 0x01 */ u8 pan : 1;
} s;
/* 0x01 */ u8 asByte;
} changes;
/* 0x02 */ u8 noteAllocPolicy;
/* 0x03 */ u8 muteBehavior;
};
};
/* 0x04 */ u8 reverb; // or dry/wet mix
/* 0x05 */ u8 notePriority; // 0-3
/* 0x06 */ u8 someOtherPriority;
/* 0x07 */ u8 bankId;
/* 0x08 */ u8 reverbIndex;
/* 0x09 */ u8 bookOffset;
/* 0x0A */ u8 newPan;
/* 0x0B */ u8 panChannelWeight; // proportion of pan that comes from the channel (0..128)
/* 0x0C */ u8 unk_0C;
/* 0x0D */ u8 velocityRandomVariance;
/* 0x0E */ u8 durationRandomVariance;
/* 0x0F */ u8 unk_0F;
/* 0x10 */ u16 vibratoRateStart;
/* 0x12 */ u16 vibratoExtentStart;
/* 0x14 */ u16 vibratoRateTarget;
/* 0x16 */ u16 vibratoExtentTarget;
/* 0x18 */ u16 vibratoRateChangeDelay;
/* 0x1A */ u16 vibratoExtentChangeDelay;
/* 0x1C */ u16 vibratoDelay;
/* 0x1E */ u16 delay;
/* 0x20 */ u16 unk_20;
/* 0x22 */ u16 unk_22;
/* 0x24 */ s16 instOrWave; // either 0 (none), instrument index + 1, or
// 0x80..0x83 for sawtooth/triangle/sine/square waves.
/* 0x26 */ s16 transposition;
/* 0x28 */ f32 volumeScale;
/* 0x2C */ f32 volume;
/* 0x30 */ s32 pan;
/* 0x34 */ f32 appliedVolume;
/* 0x38 */ f32 freqScale;
/*?0x3C */ u8 (*dynTable)[][2];
/* 0x40 */ struct Note* noteUnused; // still unused?
/*?0x44 */ struct SequenceChannelLayer* layerUnused; // still unused?
/* 0x48 */ Instrument* instrument;
/* 0x4C */ SequencePlayer* seqPlayer;
/* 0x50 */ struct SequenceChannelLayer* layers[4];
/* 0x60 */ M64ScriptState scriptState;
/* 0x7C */ AdsrSettings adsr;
/* 0x84 */ NotePool notePool;
/* 0xC4 */ s8 soundScriptIO[8]; // bridge between sound script and audio lib
/* 0xCC */ s16* unk_CC;
/* 0xD0 */ ReverbBits reverbBits;
} SequenceChannel; // size = 0xD4
// Also known as a Track, according to sm64 debug strings.
typedef struct SequenceChannelLayer {
/* 0x00 */ u8 enabled : 1;
/* 0x00 */ u8 finished : 1;
/* 0x00 */ u8 stopSomething : 1;
/* 0x00 */ u8 continuousNotes : 1; // keep the same note for consecutive notes with the same sound
/* 0x00 */ u8 bit3 : 1; // "loaded"?
/* 0x00 */ u8 ignoreDrumPan : 1;
/* 0x00 */ u8 bit1 : 1; // "has initialized continuous notes"?
/* 0x00 */ u8 notePropertiesNeedInit : 1;
/* 0x01 */ ReverbBits reverbBits;
/* 0x02 */ u8 instOrWave;
/* 0x03 */ u8 noteDuration;
/* 0x04 */ u8 semitone;
/* 0x05 */ u8 portamentoTargetNote;
/* 0x06 */ u8 pan; // 0..128
/* 0x07 */ u8 notePan;
/* 0x08 */ s16 delay;
/* 0x0A */ s16 duration;
/* 0x0C */ s16 delay2;
/* 0x0E */ u16 portamentoTime;
/* 0x10 */ s16 transposition; // #semitones added to play commands
// (m64 instruction encoding only allows referring to the limited range
// 0..0x3F; this makes 0x40..0x7F accessible as well)
/* 0x12 */ s16 shortNoteDefaultPlayPercentage;
/* 0x14 */ s16 playPercentage;
/* 0x18 */ AdsrSettings adsr;
/* 0x20 */ Portamento portamento;
/* 0x2C */ struct Note* note;
/* 0x30 */ f32 freqScale;
/* 0x34 */ f32 unk_34;
/* 0x38 */ f32 velocitySquare2;
/* 0x3C */ f32 velocitySquare; // not sure which one of those corresponds to the sm64 original
/* 0x40 */ f32 noteVelocity;
/* 0x44 */ f32 noteFreqScale;
/* 0x48 */ Instrument* instrument;
/* 0x4C */ AudioBankSound* sound;
/* 0x50 */ SequenceChannel* seqChannel;
/* 0x54 */ M64ScriptState scriptState;
/* 0x70 */ AudioListItem listItem;
} SequenceChannelLayer; // size = 0x80
typedef struct {
/* 0x0000 */ s16 adpcmdecState[0x10];
/* 0x0020 */ s16 finalResampleState[0x10];
/* 0x0040 */ s16 mixEnvelopeState[0x28];
/* 0x0090 */ s16 panResampleState[0x10];
/* 0x00B0 */ s16 panSamplesBuffer[0x20];
/* 0x00F0 */ s16 dummyResampleState[0x10];
} NoteSynthesisBuffers; // size = 0x110
typedef struct {
/*?0x00 */ u8 restart;
/*?0x01 */ u8 sampleDmaIndex;
/*?0x02 */ u8 prevHeadsetPanRight;
/*?0x03 */ u8 prevHeadsetPanLeft;
/*?0x04 */ u8 samplePosFrac;
/* 0x05 */ u8 unk_05;
/* 0x06 */ u16 unk_06;
/*?0x08 */ s32 samplePosInt;
/* 0x0C */ NoteSynthesisBuffers* synthesisBuffers;
/*?0x10 */ s16 curVolLeft;
/*?0x12 */ s16 curVolRight;
/* 0x14 */ u16 unk_14;
/* 0x16 */ u16 unk_16;
/* 0x18 */ u16 unk_18;
/* 0x1A */ u8 unk_1A;
/* 0x1C */ u16 unk_1C;
/* 0x1E */ u16 unk_1E;
} NoteSynthesisState; // size = 0x20
typedef struct {
/* 0x00 */ struct SequenceChannel* seqChannel;
/* 0x04 */ u32 time;
/* 0x08 */ s16* curve;
/* 0x0C */ f32 extent;
/* 0x10 */ f32 rate;
/* 0x14 */ u8 active;
/*!0x16 */ u16 rateChangeTimer;
/* 0x18 */ u16 extentChangeTimer;
/* 0x1A */ u16 delay;
} VibratoState; // size = 0x1C
typedef struct {
/* 0x00 */ u8 priority;
/* 0x01 */ u8 waveId;
/* 0x02 */ u8 sampleCountIndex;
/* 0x03 */ u8 bankId;
/* 0x04 */ u8 unk_04;
/* 0x05 */ u8 stereoHeadsetEffects;
/* 0x06 */ s16 adsrVolScale; // unused?
/* 0x08 */ f32 portamentoFreqScale;
/* 0x0C */ f32 vibratoFreqScale;
/*?0x10 */ SequenceChannelLayer* prevParentLayer;
/* 0x14 */ SequenceChannelLayer* parentLayer;
/* 0x18 */ SequenceChannelLayer* wantedParentLayer;
/* 0x1C */ NoteAttributes attributes;
/* 0x40 */ AdsrState adsr;
// may contain portamento, vibratoState, if those are not part of Note itself
} NotePlaybackState;
typedef struct {
// these bitfields should perhaps be merged into a single struct
union {
struct {
/* 0x00 */ vu8 enabled : 1;
/* 0x00 */ u8 needsInit : 1;
/*?0x00 */ u8 finished : 1;
/*?0x00 */ u8 envMixerNeedsInit : 1;
/* 0x00 */ u8 stereoStrongRight : 1;
/* 0x00 */ u8 stereoStrongLeft : 1;
/* 0x00 */ u8 stereoHeadsetEffects : 1;
/* 0x00 */ u8 usesHeadsetPanEffects : 1;
} s;
/*?0x00 */ u8 asByte;
} bitField0;
union {
struct {
/*?0x01 */ u8 reverbIndex : 3;
/* 0x01 */ u8 bookOffset : 2;
/*?0x01 */ u8 bit2 : 1;
/*?0x01 */ u8 isSyntheticWave : 1;
/*?0x01 */ u8 hasTwoAdpcmParts : 1;
} s;
/*?0x01 */ u8 asByte;
} bitField1;
/* 0x02 */ u8 unk_2;
/*?0x03 */ u8 headsetPanRight;
/*?0x04 */ u8 headsetPanLeft;
/*?0x05 */ u8 reverbVol;
/* 0x06 */ u8 unk_06;
/* 0x07 */ u8 unk_07;
/* 0x08 */ u16 targetVolLeft;
/* 0x0A */ u16 targetVolRight;
/*?0x0C */ u16 resamplingRateFixedPoint; // stored as signed but loaded as u16
/* 0x0E */ s16 unk_10;
/* 0x10 */ union {
s16* samples;
AudioBankSound* audioBankSound;
} sound; // not sure if actually a union
/* 0x14 */ s16* unk_14;
/* 0x18 */ char pad_18[0x8];
} NoteSubEu; // size = 0x20
typedef struct Note {
/* 0x00 */ AudioListItem listItem;
/*?0x10 */ NoteSynthesisState synthesisState;
/* 0x30 */ NotePlaybackState playbackState;
/* 0x90 */ Portamento portamento;
/* 0x9C */ VibratoState vibratoState;
/* 0xB8 */ char unk_B8[0x4];
/* 0xBC */ u32 unk_BC;
/* 0xC0 */ NoteSubEu noteSubEu;
} Note; // size = 0xE0
typedef struct {
/* 0x00 */ u8 downsampleRate;
/* 0x02 */ u16 windowSize;
/* 0x04 */ u16 unk_4;
/* 0x06 */ u16 unk_6;
/* 0x08 */ u16 unk_8;
/* 0x0A */ u16 unk_A;
/* 0x0C */ u16 unk_C;
/* 0x0E */ u16 unk_E;
/* 0x10 */ s8 unk_10;
/* 0x12 */ u16 unk_12;
/* 0x14 */ s16 unk_14;
/* 0x16 */ s16 unk_16;
} ReverbSettings; // size = 0x18
typedef struct {
/*?0x00 */ u32 frequency;
/*?0x04 */ u8 unk_04;
/* 0x05 */ u8 maxSimultaneousNotes;
/* 0x06 */ u8 numSequencePlayers;
/* 0x07 */ u8 unk_07[0x2];
/* 0x09 */ u8 numReverbs;
/* 0x0A */ u8 unk_0A[0x2];
/* 0x0C */ ReverbSettings* reverbSettings;
/* 0x10 */ u16 unk_10;
/* 0x12 */ u16 unk_12;
/* 0x14 */ u16 unk_14;
/* 0x18 */ u32 persistentSeqMem;
/* 0x1C */ u32 persistentBankMem;
/* 0x20 */ u32 persistentUnusedMem;
/* 0x24 */ u32 temporarySeqMem;
/* 0x28 */ u32 temporaryBankMem;
/* 0x2C */ u32 temporaryUnusedMem;
/* 0x30 */ s32 unk_30;
/* 0x34 */ s32 unk_34;
} AudioSessionSettings; // size = 0x38
typedef struct {
/* 0x00 */ s16 presetUnk4;
/* 0x02 */ u16 frequency;
/* 0x04 */ u16 aiFrequency;
/* 0x06 */ s16 samplesPerFrameTarget;
/* 0x08 */ s16 maxAiBufferLength;
/* 0x0A */ s16 minAiBufferLength;
/* 0x0C */ s16 updatesPerFrame;
/* 0x0E */ s16 samplesPerUpdate;
/* 0x10 */ s16 samplesPerUpdateMax;
/* 0x12 */ s16 samplesPerUpdateMin;
/* 0x14 */ s16 numSequencePlayers;
/* 0x18 */ f32 resampleRate;
/* 0x1C */ f32 updatesPerFrameInv;
/* 0x20 */ f32 unkUpdatesPerFrameScaled;
/* 0x24 */ f32 unk_24;
} AudioBufferParameters;
typedef struct {
/* 0x0 */ u8* start;
/* 0x4 */ u8* cur;
/* 0x8 */ s32 size;
/* 0xC */ s32 unused; // set to 0, never read
} SoundAllocPool; // size = 0x10
typedef struct {
/* 0x0 */ u8 *ptr;
/* 0x4 */ u32 size;
/* 0x8 */ s16 poolIndex;
/* 0xA */ s16 id; // seqId or bankId
} SeqOrBankEntry; // size = 0xC
typedef struct {
/* 0x00 */ s8 unk_00;
/* 0x01 */ s8 unk_01;
/* 0x02 */ s8 unk_02;
/* 0x03 */ char unk_03[0x5];
/* 0x08 */ u8* unk_08;
/* 0x0C */ void* unk_0C;
/* 0x10 */ u32 size;
} UnkHeapEntry; // size = 0x14
typedef struct {
/* 0x000 */ SoundAllocPool pool;
/* 0x010 */ UnkHeapEntry entries[32];
/* 0x290 */ s32 size;
} UnkPool; // size = 0x294
typedef struct
{
/* 0x00*/ u32 numEntries;
/* 0x04*/ SoundAllocPool pool;
/* 0x14*/ SeqOrBankEntry entries[16];
} PersistentPool; // size = 0xD4
typedef struct
{
/* 0x00*/ u32 nextSide;
/* 0x04*/ SoundAllocPool pool;
/* 0x14*/ SeqOrBankEntry entries[2];
} TemporaryPool; // size = 0x3C
typedef struct
{
/* 0x000*/ PersistentPool persistent;
/* 0x0D4*/ TemporaryPool temporary;
/* 0x100*/ u8 unk_100[0x10];
} SoundMultiPool; // size = 0x110
typedef struct {
u32 wantPersistent;
u32 wantTemporary;
} AudioPoolSplit2; // size = 0x8
typedef struct {
u32 wantSeq;
u32 wantBank;
u32 wantUnused;
} AudioPoolSplit3; // size = 0xC
typedef struct {
u32 wantSeq;
u32 wantBank;
u32 wantUnused;
u32 wantCustom;
} AudioPoolSplit4; // size = 0x10
typedef struct {
u8* unk_0;
u8* unk_4;
u32 unk_8;
s8 unk_C;
s8 unk_D;
s16 unk_E;
} Struct_800E0E0C_2;
typedef struct {
char unk_00[0x2];
s16 unk_02;
char unk_04[0x8];
Struct_800E0E0C_2 unk_C[1]; // unknown size
} ManyStruct_800E0E0C_2;
typedef struct {
/* 0x00 */ u8* unk_00;
/* 0x04 */ AudioBankSample* sample;
/* 0x08 */ u8* unk_08;
/* 0x0C */ s32 pad;
/* 0x10 */ s32 unk_10;
} AudioStruct0D68; // size = 0x14
typedef struct {
union{
u32 opArgs;
struct {
u8 op;
u8 arg0;
u8 arg1;
u8 arg2;
};
};
union {
void* data;
f32 asFloat;
s32 asInt;
u16 asUShort;
s8 asSbyte;
u8 asUbyte;
u32 asUInt;
};
} AudioCmd;
typedef struct {
union{
struct {
s16 unk_00;
u16 unk_02;
};
u32 unk_00w;
};
u32 unk_04;
s8 unk_08;
char unk_09[0x7];
} unk_dma_s;
#define MK_ASYNC_MSG(b0,b1,b2,b3)(((b0) << 0x18) | ((b1) << 0x10) | ((b2) << 0x08) | ((b3) << 0x00))
#define ASYNC_TBLTYPE(v)((u8)(v >> 0x10))
#define ASYNC_B2(v)((u8)(v >> 0x08))
#define ASYNC_B3(v)((u8)(v >> 0x00))
#define AYSNC_B0(v)(((u8)(v >> 0x18))
typedef struct {
/* 0x00 */ s8 status;
/* 0x01 */ s8 unk_01;
/* 0x02 */ s8 unk_02; // type?
/* 0x03 */ char unk_03[0x1];
/* 0x04 */ u32 unk_04;
/* 0x08 */ u32 devAddr;
/* 0x0C */ u8* ramAddr;
/* 0x10 */ u32 bytesRemaining;
/* 0x14 */ u32 chunkSize;
/* 0x18 */ s32 unk_18;
/* 0x1C */ u32 retMsg;
/* 0x20 */ OSMesgQueue* retQueue;
/* 0x24 */ OSMesgQueue msgQueue;
/* 0x3C */ OSMesg msg[1];
/* 0x40 */ OSIoMesg ioMesg;
} AsyncLoadReq; // size = 0x58
typedef struct {
/* 0x0000 */ u8 unk_00;
/* 0x0001 */ u8 unk_01;
/* 0x0002 */ u16 unk_02;
/* 0x0004 */ s32 unk_04;
/* 0x0008 */ s32 devAddr;
/* 0x000C */ u8* ramAddr;
/* 0x0010 */ u8* unk_10;
/* 0x0014 */ s32 status;
/* 0x0018 */ s32 size;
/* 0x001C */ s8* isDone;
/* 0x0020 */ AudioBankSample sample;
/* 0x0030 */ OSMesgQueue msgqueue;
/* 0x0048 */ OSMesg msg[1];
/* 0x004C */ OSIoMesg ioMesg;
} AudioSyncLoad; // size = 0x64
typedef struct {
u16 offsets[18];
char data[1];
} unk_283C;
typedef struct {
/* 0x0000 */ s16 entryCnt;
/* 0x0002 */ s16 unk_02;
/* 0x0004 */ u32 romAddr;
/* 0x0008 */ char pad[0x8];
} AudioTableHeader; // size = 0x10
typedef struct {
/* 0x0000 */ u32 romAddr;
/* 0x0004 */ u32 size;
/* 0x0008 */ s8 unk_08;
/* 0x0009 */ s8 type;
/* 0x000A */ char pad[6];
} SequenceTableEntry; // size = 0x10
typedef struct {
/* 0x0000 */ u32 romAddr;
/* 0x0004 */ u32 size;
/* 0x0008 */ u8 unk_08;
/* 0x0009 */ u8 unk_09;
/* 0x000A */ s16 unk_0A;
/* 0x000C */ s16 unk_0C;
/* 0x000E */ s16 unk_0E;
} AudioBankTableEntry; // size = 0x10
typedef struct {
/* 0x0000 */ u32 romAddr;
/* 0x0004 */ u32 size;
/* 0x0008 */ s8 unk_08;
/* 0x0009 */ s8 unk_09;
/* 0x000A */ char pad[6];
} AudioTableEntry; // size = 0x10
typedef struct {
/* 0x0000 */ AudioTableHeader header;
/* 0x0010 */ SequenceTableEntry entries[1];
} SequenceTable; // size >= 0x20
typedef struct {
/* 0x0000 */ AudioTableHeader header;
/* 0x0010 */ AudioBankTableEntry entries[1];
} AudioBankTable; // size >= 0x20
typedef struct {
/* 0x0000 */ AudioTableHeader header;
/* 0x0010 */ AudioTableEntry entries[1];
} AudioTable; // size >= 0x20
typedef struct {
/* 0x0000 */ OSTask task;
/* 0x0040 */ OSMesgQueue* taskQueue;
/* 0x0044 */ void* unk_44; // probbly a message that gets unused.
/* 0x0048 */ char unk_48[0x8];
} AudioTask; // size = 0x50
typedef struct {
/* 0x0000 */ u8* ramAddr;
/* 0x0004 */ u32 devAddr;
/* 0x0008 */ u16 unk_08;
/* 0x000A */ u16 size;
/* 0x000C */ u8 unk_0C;
/* 0x000D */ u8 unk_0D;
/* 0x000E */ u8 unk_0E;
/* 0x000F */ u8 unk_0F;
} SampleDmaReq; // size = 0x10
typedef struct {
s32 unk_00;
s32 unk_04;
s32 unk_08;
s32 unk_0C;
s32 unk_10;
s32 unk_14;
} RelocInfo;
typedef enum {
SEQUENCE_TABLE,
BANK_TABLE,
AUDIO_TABLE
} AudioTableType;
typedef struct {
Drum** drums;
AudioBankSound* sfx;
Instrument* instruments[1];
} unk_ldr;
typedef struct {
/* 0x0000 */ char unk_0000;
/* 0x0001 */ s8 numSynthesisReverbs;
/* 0x0002 */ u16 unk_2;
/* 0x0004 */ u16 unk_4;
/* 0x0006 */ char unk_0006[0x0A];
/* 0x0000 */ s32 unk_0x10;
/* 0x0014 */ NoteSubEu* noteSubsEu;
/* 0x0018 */ SynthesisReverb synthesisReverbs[4];
/* 0x0B38 */ char unk_0B38[0x30];
/* 0x0B68 */ AudioBankSample* unk_B68[1]; // unknown size.
/* 0x0B6C */ char unk_B6C[0x1E8];
/* 0x0D54 */ AudioStruct0D68 unk_0D54[129]; // guessing at size
/* 0x1768 */ s32 unk_1768;
/* 0x176C */ s32 unk_176C;
/* 0x1770 */ AsyncLoadReq asyncReqs[0x10];
/* 0x1CF0 */ OSMesgQueue asyncLoadQueue;
/* 0x1D08 */ char unk_1D08[0x40];
/* 0x1D48 */ AsyncLoadReq* curAsyncReq;
/* 0x1D4C */ u32 syncLoadPos;
/* 0x1D50 */ AudioSyncLoad syncLoads[2];
/* 0x1E18 */ OSPiHandle* cartHandle;
/* probably an unused PI handle for n64 disk drive */
/* 0x1E1C */ OSPiHandle* unk_1E1C;
/* 0x1E20 */ OSMesgQueue unk_1E20;
/* 0x1E38 */ OSMesg unk_1E38[0x10];
/* 0x1E78 */ OSMesgQueue unk_1E78;
/* 0x1E90 */ OSMesg unk_1E90[0x10];
/* 0x1ED0 */ OSMesgQueue unk_1ED0;
/* 0x1EE8 */ OSMesg unk_1EE8[0x40];
/* 0x1FE8 */ OSIoMesg sampIoReq[1]; // unknown size
/* 0x2000 */ char unk_2000[0x5E8];
/* 0x25E8 */ OSMesgQueue unk_25E8;
/* 0x2600 */ OSMesg unk_2600;
/* 0x2604 */ OSIoMesg unk_2604;
/* 0x261C */ SampleDmaReq* sampleDmaReqs;
/* 0x2620 */ u32 sampleDmaReqCnt;
/* 0x2624 */ u32 unk_2624; // sample start idx?
/* 0x2628 */ s32 unk_2628;
/* 0x262C */ u8 unk_262C[0x100];
/* 0x272C */ u8 unk_272C[0x100];
/* 0x282C */ u8 unk_282C;
/* 0x282D */ u8 unk_282D;
/* 0x282E */ u8 unk_282E;
/* 0x282F */ u8 unk_282F;
/* 0x2830 */ SequenceTable* sequenceTable;
/* 0x2834 */ AudioBankTable* audioBankTable;
/* 0x2838 */ AudioTable* audioTable;
union {
/* 0x283C */ u16* unk_283C;
/* 0x283C */ char* unk_283Cb;
};
/* 0x2840 */ u16 seqTabEntCnt; // channels used?
/* 0x2844 */ CtlEntry* ctlEntries;
/* 0x2848 */ AudioBufferParameters audioBufferParameters;
/* 0x2870 */ f32 unk_2870;
/* 0x2874 */ s32 unk_2874;
/* 0x2874 */ s32 unk_2878;
/* 0x287C */ char unk_287C[0x10];
/* 0x288C */ s32 unk_288C;
/* 0x2890 */ s32 maxAudioCmds;
/* 0x2894 */ s32 maxSimultaneousNotes; // (bad name)
/* 0x2898 */ s16 tempoInternalToExternal;
/* 0x289A */ s8 soundMode;
/* 0x289C */ s32 totalTaskCnt;
/* 0x28A0 */ s32 sampleIoReqIdx;
/* 0x28A4 */ s32 rspTaskIdx;
/* 0x28A8 */ s32 curAIBufIdx;
/* 0x28AC */ Acmd* abiCmdBufs[2];
/* 0x28B4 */ Acmd* curAbiCmdBuf;
/* 0x28B8 */ AudioTask* currTask;
/* 0x28BC */ char unk_28BC[0x4];
/* 0x28C0 */ AudioTask rspTask[2];
/* 0x2960 */ f32 unk_2960;
/* 0x2964 */ s32 refreshRate;
/* 0x2968 */ s16* aiBuffers[3];
/* 0x2974 */ s16 aiBufLengths[3];
/* 0x297C */ u32 audioRandom;
/* 0x2980 */ s32 audioErrorFlags;
/* 0x2984 */ volatile u32 resetTimer;
/* 0x2988 */ char unk_2988[0x8];
/* 0x2990 */ SoundAllocPool audioSessionPool;
/* 0x29A0 */ SoundAllocPool unkPool;
/* 0x29B0 */ SoundAllocPool audioInitPool;
/* 0x29C0 */ SoundAllocPool notesAndBuffersPool;
/* 0x29D0 */ char unk_29D0[0x20]; // probably two unused pools
/* 0x29F0 */ SoundAllocPool seqAndBankPool;
/* 0x2A00 */ SoundAllocPool persistentCommonPool;
/* 0x2A10 */ SoundAllocPool temporaryCommonPool;
/* 0x2A20 */ SoundMultiPool seqLoadedPool;
/* 0x2B30 */ SoundMultiPool bankLoadedPool;
/* 0x2C40 */ SoundMultiPool unusedLoadedPool; // rename after we figure out what this is
/* 0x2D50 */ SoundAllocPool unk_2D50;
/* 0x2D60 */ SeqOrBankEntry unk_2D60[32];
/* 0x2EE0 */ UnkPool unk_2EE0;
/* 0x3174 */ UnkPool unk_3174;
/* 0x3408 */ AudioPoolSplit4 sessionPoolSplit;
/* 0x3418 */ AudioPoolSplit2 seqAndBankPoolSplit;
/* 0x3420 */ AudioPoolSplit3 persistentCommonPoolSplit;
/* 0x342C */ AudioPoolSplit3 temporaryCommonPoolSplit;
/* 0x3438 */ u8 audioTableLoadStatus[0x30];
/* 0x3468 */ u8 bankLoadStatus[0x30];
/* 0x3498 */ u8 seqLoadStatus[0x80];
/* 0x3518 */ volatile u8 resetStatus;
/* 0x3519 */ u8 audioResetPresetIdToLoad;
/* 0x351C */ s32 audioResetFadeOutFramesLeft;
/* 0x3520 */ f32* unk_3520;
/* 0x3524 */ u8* audioHeap;
/* 0x3528 */ u32 audioHeapSize;
/* 0x352C */ Note* notes;
/* 0x3530 */ SequencePlayer seqPlayers[4];
/* 0x3AB0 */ SequenceChannelLayer sequenceLayers[64];
/* 0x5AB0 */ SequenceChannel sequenceChannelNone;
/* 0x5B84 */ s32 noteSubEuOffset;
/* 0x5B88 */ AudioListItem layerFreeList;
/* 0x5B98 */ NotePool noteFreeLists;
/* 0x5BD8 */ u8 cmdWrPos;
/* 0x5BD9 */ u8 cmdRdPos;
/* 0x5BDA */ u8 cmdQueueFinished;
/* 0x5BDB */ char unk_5BDB[0x1];
/* 0x5BDC */ u16 unk_5BDC[4];
/* 0x5BE4 */ OSMesgQueue* audioResetQueueP;
/* 0x5BE8 */ OSMesgQueue* taskStartQueueP;
/* 0x5BEC */ OSMesgQueue* cmdProcQueueP;
/* 0x5BF0 */ OSMesgQueue taskStartQueue;
/* 0x5C08 */ OSMesgQueue cmdProcQueue;
/* 0x5C20 */ OSMesgQueue audioResetQueue;
/* 0x5C38 */ OSMesg taskStartMsgs[1];
/* 0x5C3C */ OSMesg audioResetMesgs[1];
/* 0x5C40 */ OSMesg cmdProcMsgs[4];
/* 0x5C50 */ AudioCmd cmdBuf[0x100];
} AudioContext; // size = 0x6450
typedef struct {
/* 0x00 */ u8 reverb; // i.e. volume
/* 0x01 */ u8 unk_1;
/* 0x02 */ u8 pan;
/* 0x03 */ ReverbBits reverbBits;
/* 0x04 */ f32 frequency;
/* 0x08 */ f32 velocity;
/* 0x0C */ char unk_0C[0x4];
/* 0x10 */ s16* unk_10;
/* 0x14 */ u8 unk_14;
/* 0x16 */ u16 unk_16;
} Reverb; // size >= 0x18
typedef struct {
/* 0x0000 */ u32 heap;
/* 0x0004 */ u32 mainPool;
/* 0x0008 */ u32 initPool;
} AudioContextInitSizes; // size = 0xC
typedef struct {
/* 0x0000 */ f32 unk_00;
/* 0x0004 */ f32 unk_04;
/* 0x0008 */ f32 unk_08;
/* 0x000C */ u16 unk_0C;
/* 0x0010 */ f32 unk_10;
/* 0x0014 */ f32 unk_14;
/* 0x0018 */ f32 unk_18;
/* 0x001C */ u16 unk_1C;
} unk_50_s; // size = 0x20
typedef struct {
/* 0x0000 */ f32 volCur;
/* 0x0004 */ f32 volTarget;
/* 0x0008 */ f32 unk_08;
/* 0x000C */ u16 unk_0C;
/* 0x000E */ u8 volScales[0x4];
/* 0x0012 */ u8 volFadeTimer;
/* 0x0013 */ u8 fadeVolUpdate;
/* 0x0014 */ u32 unk_14;
/* 0x0018 */ u16 unk_18;
/* 0x001C */ f32 unk_1C;
/* 0x0020 */ f32 unk_20;
/* 0x0024 */ f32 unk_24;
/* 0x0028 */ u16 unk_28;
/* 0x002A */ char unk_2A[0x2];
/* 0x002C */ u32 unk_2C[8];
/* 0x004C */ u8 unk_4C;
/* 0x004D */ u8 unk_4D;
/* 0x004E */ u8 unk_4E;
/* 0x004F */ char unk_4F;
/* 0x0050 */ unk_50_s unk_50[0x10];
/* 0x0250 */ u16 unk_250;
/* 0x0252 */ u16 unk_252;
/* 0x0254 */ u16 unk_254;
/* 0x0256 */ u16 unk_256;
/* 0x0258 */ u16 unk_258;
/* 0x025A */ char unk_25A[0x2];
/* 0x025C */ u32 unk_25C;
/* 0x0260 */ u8 unk_260;
/* 0x0261 */ char unk_261[0x3];
} unk_D_8016E750; // size = 0x264
typedef enum {
BANK_PLAYER,
BANK_ITEM,
BANK_ENV,
BANK_ENEMY,
BANK_SYSTEM,
BANK_OCARINA,
BANK_VOICE
} SoundBankTypes;
typedef struct {
/* 0x00 */ f32* posX;
/* 0x04 */ f32* posY;
/* 0x08 */ f32* posZ;
/* 0x0C */ u8 unk_C;
/* 0x10 */ f32* unk_10;
/* 0x14 */ f32* unk_14;
/* 0x18 */ s8* unk_18;
/* 0x1C */ f32 unk_1C;
/* 0x20 */ u32 unk_20;
/* 0x24 */ u8 unk_24;
/* 0x26 */ u16 unk_26;
/* 0x28 */ u16 unk_28; // "flag"
/* 0x2A */ u8 unk_2A;
/* 0x2B */ u8 unk_2B;
/* 0x2C */ u8 prev; // prev bank index
/* 0x2D */ u8 next; // next bank index
/* 0x2E */ u8 unk_2E;
/* 0x2F */ u8 unk_2F;
} SoundBankEntry; // size = 0x30
/*
* SFX IDs
*
* index 0000000111111111 observed in audio code
* & 200 0000001000000000 single bit
* & 400 0000010000000000 single bit
* & 800 0000100000000000 single bit, what we currently call SFX_FLAG
* & 600 0000011000000000 2 bits
* & A00 0000101000000000 2 bits
* & C00 0000110000000000 2 bits, observed in audio code
* & E00 0000111000000000 all 3 bits
* bank 1111000000000000 observed in audio code
*/
#define SFX_BANK_SHIFT(sfxId) (((sfxId) >> 12) & 0xFF)
#define SFX_BANK_MASK(sfxId) ((sfxId) & 0xF000)
#define SFX_INDEX(sfxId) ((sfxId) & 0x01FF)
#define SFX_BANK(sfxId) SFX_BANK_SHIFT(SFX_BANK_MASK(sfxId))
typedef struct {
u32 unk_0;
u8 unk_4;
} Struct_800F7CEC;
typedef struct {
u8 unk_0;
u16 unk_2;
} Struct_8013331C;
typedef struct {
/* 0x0000 */ u8 noteIdx;
/* 0x0001 */ u8 unk_01;
/* 0x0002 */ u16 unk_02;
/* 0x0004 */ u8 volume;
/* 0x0005 */ u8 vibrato;
/* 0x0006 */ s8 tone;
/* 0x0007 */ u8 semitone;
} OcarinaNote; // size = 0x8
typedef struct {
/* 0x0000 */ OcarinaNote notes[20];
} OcarinaSong; // size = 0xA0
#define Audio_DisableSeq(seqIdx, fadeOut) Audio_QueueCmdS32(0x83000000 | ((u8)seqIdx << 16), fadeOut)
#define Audio_Cmd82(seqIdx, a, b) Audio_QueueCmdS32(0x82000000 | ((u8)seqIdx << 16) | ((u8)a << 8), b)
#define Audio_StartSeq(seqIdx, fadeTimer, seqId) Audio_QueueSeqCmd(0x00000000 | ((u8)seqIdx << 24) | ((u8)(fadeTimer) << 0x10) | (u16)seqId)
#define Audio_SeqCmd7(seqIdx, a, b) Audio_QueueSeqCmd(0x70000000 | ((u8)seqIdx << 0x18) | ((u8)a << 0x10) | (u8)(b))
#define Audio_SeqCmdC(seqIdx, a, b, c) Audio_QueueSeqCmd(0xC0000000 | ((u8)seqIdx << 24) | ((u8)a << 16) | ((u8)b << 8) | ((u8)(c)))
#define Audio_SeqCmdA(seqIdx, a) Audio_QueueSeqCmd(0xA0000000 | ((u8)seqIdx << 24) | ((u16)(a)))
#define Audio_SeqCmd1(seqIdx, a) Audio_QueueSeqCmd(0x100000FF | ((u8)seqIdx << 24) | ((u8)(a) << 16))
#define Audio_SeqCmdB(seqIdx, a, b, c) Audio_QueueSeqCmd(0xB0000000 | ((u8)seqIdx << 24) | ((u8)a << 16) | ((u8)b << 8) | ((u8)c))
#define Audio_SeqCmdB30(seqIdx, a, b) Audio_QueueSeqCmd(0xB0003000 | ((u8)seqIdx << 24) | ((u8)a << 16) | ((u8)b))
#define Audio_SeqCmdB40(seqIdx, a, b) Audio_QueueSeqCmd(0xB0004000 | ((u8)seqIdx << 24) | ((u8)a << 16) | ((u8)b))
#define Audio_SeqCmd6(seqIdx, a, b, c) Audio_QueueSeqCmd(0x60000000 | ((u8)seqIdx << 24) | ((u8)(a) << 16) | ((u8)b << 8) | ((u8)c))
#define Audio_SeqCmdE0(seqIdx, a) Audio_QueueSeqCmd(0xE0000000 | ((u8)seqIdx << 24) | ((u8)a))
#define Audio_SeqCmdE01(seqIdx, a) Audio_QueueSeqCmd(0xE0000100 | ((u8)seqIdx << 24) | ((u16)a))
#define Audio_SeqCmd8(seqIdx, a, b, c) Audio_QueueSeqCmd(0x80000000 | ((u8)seqIdx << 24) | ((u8)a << 16) | ((u8)b << 8) | ((u8)c))
#define Audio_SeqCmd3(seqIdx, a) Audio_QueueSeqCmd(0x80000000 | ((u8)seqIdx << 24) | ((u16)a))
#define Audio_SeqCmd5(seqIdx, a, b) Audio_QueueSeqCmd(0x50000000 | ((u8)seqIdx << 24) | ((u8)a << 16) | ((u16)(b)))
#define Audio_SeqCmd4(seqIdx, a, b) Audio_QueueSeqCmd(0x40000000 | ((u8)seqIdx << 24) | ((u8)a << 16) | ((u8)(b)))
#define Audio_SeqCmdF(seqIdx, a) Audio_QueueSeqCmd(0xF0000000 | ((u8)seqIdx << 24) | ((u8)a))
#define Unk2C_B8(v) (((v & 0x00F00000) >> 20))
#define Unk2C_B12(v) (((v & 0x000F0000) >> 16))
#define Unk2C_B16(v) (((v & 0x0000FF00) >> 8))
#define Unk2C_B24(v) (((v & 0x000000FF) >> 0))
typedef struct {
u8 len;
u8 notesIdx[8];
} OcarinaSongInfo;
typedef struct {
u8 noteIdx;
u8 state;
u8 pos;
} OcarinaStaff;
#endif
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