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d68f9893fd
* audio_playback.c * format.sh * rename functions * Audio_SequenceChannelProcessSound * Audio_SequencePlayerProcessSound * Audio_GetPortamentoFreqScale * Audio_GetVibratoPitchChange * Audio_GetVibratoFreqScale * Audio_NoteVibratoInit, Audio_NoteVibratoUpdate * Audio_NotePortamentoInit * Audio_AdsrInit * Audio_AdsrUpdate * Common bitfield formatting * format.sh * review Co-authored-by: zelda2774 <zelda2774@invalid>
517 lines
16 KiB
C
517 lines
16 KiB
C
#ifndef _Z64_AUDIO_H_
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#define _Z64_AUDIO_H_
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/**
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* Structs in this repository have primarily been imported from the SM64 Decompilation.
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* Many things likely still need shifted around and structs need adjusted.
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* Take sizes and locations of structs as very volatile.
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* The symbol '!' next to an offset means the member is confirmed.
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*/
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struct Note;
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struct NotePool;
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struct SequenceChannel;
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struct SequenceChannelLayer;
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typedef struct AudioListItem {
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// A node in a circularly linked list. Each node is either a head or an item:
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// - Items can be either detached (prev = NULL), or attached to a list.
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// 'value' points to something of interest.
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// - List heads are always attached; if a list is empty, its head points
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// to itself. 'count' contains the size of the list.
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// If the list holds notes, 'pool' points back to the pool where it lives.
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// Otherwise, that member is NULL.
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/*!0x00 */ struct AudioListItem* prev;
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/*!0x04 */ struct AudioListItem* next;
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/*!0x08 */ union {
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void* value; // either Note* or SequenceChannelLayer*
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s32 count;
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} u;
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/*!0x0C */ struct NotePool* pool;
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} AudioListItem; // size = 0x10
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typedef struct NotePool {
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/*!0x00 */ AudioListItem disabled;
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/*!0x10 */ AudioListItem decaying;
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/*!0x20 */ AudioListItem releasing;
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/*!0x30 */ AudioListItem active;
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} NotePool;
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// Pitch sliding by up to one octave in the positive direction. Negative
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// direction is "supported" by setting extent to be negative. The code
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// exterpolates exponentially in the wrong direction in that case, but that
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// doesn't prevent seqplayer from doing it, AFAICT.
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typedef struct {
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/*!0x00 */ u8 mode; // bit 0x80 denotes something; the rest are an index 0-5
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/*!0x02 */ u16 cur;
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/*!0x04 */ u16 speed;
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/*!0x08 */ f32 extent;
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} Portamento; // size = 0xC
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typedef struct {
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s16 delay;
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s16 arg;
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} AdsrEnvelope; // size = 0x4
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typedef struct {
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u32 start;
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u32 end;
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u32 count;
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char unk_0C[0x4];
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s16 state[16]; // only exists if count != 0. 8-byte aligned
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} AdpcmLoop;
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typedef struct {
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s32 order;
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s32 npredictors;
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s16 book[1]; // size 8 * order * npredictors. 8-byte aligned
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} AdpcmBook;
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typedef struct {
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u8 unused;
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u8 loaded;
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u8* sampleAddr;
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AdpcmLoop* loop;
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AdpcmBook* book;
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u32 sampleSize; // never read. either 0 or 1 mod 9, depending on padding
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} AudioBankSample;
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typedef struct {
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AudioBankSample* sample;
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f32 tuning; // frequency scale factor
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} AudioBankSound; // size = 0x8
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// UNCHANGED
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typedef struct {
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/* 0x00 */ u8 loaded;
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/* 0x01 */ u8 normalRangeLo;
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/* 0x02 */ u8 normalRangeHi;
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/* 0x03 */ u8 releaseRate;
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/* 0x04 */ AdsrEnvelope* envelope;
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/* 0x08 */ AudioBankSound lowNotesSound;
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/* 0x10 */ AudioBankSound normalNotesSound;
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/* 0x18 */ AudioBankSound highNotesSound;
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} Instrument; // size >= 0x20
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typedef struct {
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u8 releaseRate;
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u8 pan;
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u8 loaded;
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AudioBankSound sound;
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AdsrEnvelope *envelope;
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} Drum; // TODO figure out what is still used.
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typedef struct {
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u32 unk_0;
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u32 unk_4;
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} UnkInstrument; // size = 0x8, new struct to OOT
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typedef struct {
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/* 0x00 */ u8 numInstruments;
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/* 0x01 */ u8 numDrums;
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/* 0x02 */ char unk_02[0x02];
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/* 0x04 */ u16 numUnkInstruments;
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/* 0x08 */ Instrument** instruments;
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/* 0x0C */ Drum** drums;
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/* 0x10 */ UnkInstrument* unkInstruments;
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} CtlEntry; // size = 0x14
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typedef struct {
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u8* pc;
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u8* stack[4];
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u8 remLoopIters[4];
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u8 depth;
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} M64ScriptState; // size = 0x1C
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typedef struct {
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/* 0x000 */ u8 enabled : 1;
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/* 0x000 */ u8 finished : 1; // never read
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/*!0x000 */ u8 muted : 1;
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/* 0x000 */ u8 seqDmaInProgress : 1;
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/* 0x000 */ u8 bankDmaInProgress : 1;
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/* 0x000 */ u8 recalculateVolume : 1;
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/* 0x000 */ u8 pad_0b2 : 1;
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/* 0x000 */ u8 unk_0b1 : 1;
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/* 0x001 */ u8 state;
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/* 0x002 */ u8 noteAllocPolicy;
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/* 0x003 */ u8 muteBehavior;
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/* 0x004 */ u8 seqId;
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/* 0x005 */ u8 defaultBank[1]; // must be an array to get a comparison
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// to match; other u8's might also be part of that array
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/* 0x006 */ u8 loadingBankId;
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/* 0x007 */ s8 seqVariationEu[1];
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/* 0x008 */ u16 tempo; // beats per minute in JP, tatums per minute in US/EU
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/* 0x00A */ u16 tempoAcc;
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/* 0x00C */ s16 transposition;
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/* 0x00E */ u16 delay;
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/* 0x010 */ char pad_010[0x2];
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/* 0x012 */ u16 fadeTimer;
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/* 0x014 */ u16 fadeTimerUnkEu;
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/* 0x016 */ char pad_016[0x2];
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/* 0x018 */ u8* seqData;
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/*!0x01C */ f32 fadeVolume;
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/*!0x020 */ f32 fadeVelocity;
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/* 0x024 */ f32 volume;
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/*!0x028 */ f32 muteVolumeScale;
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/*!0x02C */ f32 fadeVolumeScale;
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/*!0x030 */ f32 appliedFadeVolume;
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/* 0x034 */ f32 unk_34;
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/*!0x038 */ struct SequenceChannel* channels[16];
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/* 0x078 */ M64ScriptState scriptState;
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/* 0x094 */ u8* shortNoteVelocityTable;
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/* 0x098 */ u8* shortNoteDurationTable;
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/*!0x09C */ NotePool notePool;
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/* 0x0DC */ OSMesgQueue seqDmaMesgQueue;
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/* 0x0F4 */ OSMesg seqDmaMesg;
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/* 0x0F8 */ OSIoMesg seqDmaIoMesg;
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/* 0x110 */ OSMesgQueue bankDmaMesgQueue;
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/* 0x128 */ OSMesg bankDmaMesg;
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/* 0x12C */ OSIoMesg bankDmaIoMesg;
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/* 0x144 */ u8* bankDmaCurrMemAddr;
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/* 0x148 */ u32 bankDmaCurrDevAddr;
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/* 0x14C */ s32 bankDmaRemaining;
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} SequencePlayer;
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typedef struct {
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u8 releaseRate;
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u8 sustain;
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AdsrEnvelope* envelope;
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} AdsrSettings; // size = 0x8
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typedef struct {
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/*!0x00 */ union {
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struct A {
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/* 0x00 */ u8 unk_0b80 : 1;
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/*!0x00 */ u8 hang : 1;
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/*!0x00 */ u8 decay : 1;
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/*!0x00 */ u8 release : 1;
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/*!0x00 */ u8 state : 4;
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} s;
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/*!0x00 */ u8 asByte;
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} action;
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/*!0x01 */ u8 envIndex;
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/*!0x02 */ s16 delay;
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/*!0x04 */ f32 sustain;
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/*!0x08 */ f32 velocity;
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/*!0x0C */ f32 fadeOutVel;
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/*!0x10 */ f32 current;
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/*!0x14 */ f32 target;
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/* */ char pad18[4];
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/*!0x1C */ AdsrEnvelope *envelope;
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} AdsrState;
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typedef struct {
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u8 bit0 : 1;
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u8 bit1 : 1;
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u8 bit2 : 2;
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u8 strongRight : 1;
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u8 strongLeft : 1;
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u8 stereoHeadsetEffects : 1;
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u8 usesHeadsetPanEffects : 1;
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} ReverbBitsData;
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typedef union {
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/* 0x00 */ ReverbBitsData s;
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/* 0x00 */ u8 asByte;
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} ReverbBits;
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typedef struct {
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/*!0x00 */ u8 reverb;
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/*!0x01 */ u8 unk_1;
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/*!0x02 */ u8 pan;
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/*!0x03 */ ReverbBits reverbBits;
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/*!0x04 */ u8 unk_4;
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/*!0x06 */ u16 unk_6;
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/*!0x08 */ f32 freqScale;
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/*!0x0C */ f32 velocity;
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/*!0x10 */ s16* unk_10;
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/*!0x14 */ s16 unk_14[8];
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} NoteAttributes; // size = 0x24
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typedef struct SequenceChannel {
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/* 0x00 */ u8 enabled : 1;
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/* 0x00 */ u8 finished : 1;
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/* 0x00 */ u8 stopScript : 1;
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/* 0x00 */ u8 stopSomething2 : 1; // sets SequenceChannelLayer.stopSomething
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/* 0x00 */ u8 hasInstrument : 1;
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/*!0x00 */ u8 stereoHeadsetEffects : 1;
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/* 0x00 */ u8 largeNotes : 1; // notes specify duration and velocity
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/* 0x00 */ u8 unused : 1; // never read, set to 0
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union {
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struct {
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/*!0x01 */ u8 freqScale : 1;
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/*!0x01 */ u8 volume : 1;
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/*!0x01 */ u8 pan : 1;
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} s;
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/*!0x01 */ u8 asByte;
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} changes;
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/*!0x02 */ u8 noteAllocPolicy;
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/*!0x03 */ u8 muteBehavior;
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/*!0x04 */ u8 reverb; // or dry/wet mix
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/*!0x05 */ u8 notePriority; // 0-3
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/* 0x06 */ u8 someOtherPriority;
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/*!0x07 */ u8 bankId;
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/*!0x08 */ u8 reverbIndex;
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/*!0x09 */ u8 bookOffset;
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/*!0x0A */ u8 newPan;
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/*!0x0B */ u8 panChannelWeight; // proportion of pan that comes from the channel (0..128)
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/* 0x0C */ u8 unk_0C;
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/* 0x0D */ u8 padD[2];
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/* 0x0F */ u8 unk_0F;
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/*!0x10 */ u16 vibratoRateStart;
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/*!0x12 */ u16 vibratoExtentStart;
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/*!0x14 */ u16 vibratoRateTarget;
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/*!0x16 */ u16 vibratoExtentTarget;
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/*!0x18 */ u16 vibratoRateChangeDelay;
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/*!0x1A */ u16 vibratoExtentChangeDelay;
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/*!0x1C */ u16 vibratoDelay;
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/* 0x1E */ u16 delay;
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/* 0x20 */ u16 unk_20;
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/* 0x22 */ u16 pad22;
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/*!0x24 */ s16 instOrWave; // either 0 (none), instrument index + 1, or
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// 0x80..0x83 for sawtooth/triangle/sine/square waves.
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/* 0x26 */ s16 transposition;
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/*!0x28 */ f32 volumeScale;
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/*!0x2C */ f32 volume;
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/*!0x30 */ s32 pan;
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/*!0x34 */ f32 appliedVolume;
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/* 0x38 */ f32 freqScale;
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/* 0x3C */ u8 (*dynTable)[][2];
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/* 0x40 */ struct Note* noteUnused; // never read
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/* 0x44 */ struct SequenceChannelLayer* layerUnused; // never read
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/* 0x48 */ Instrument* instrument;
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/*!0x4C */ SequencePlayer* seqPlayer;
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/*!0x54 */ struct SequenceChannelLayer* layers[4];
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/* 0x64 */ M64ScriptState scriptState;
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/* */ AdsrSettings adsr;
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/*!0x84 */ NotePool notePool;
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/* 0xC4 */ s8 soundScriptIO[8]; // bridge between sound script and audio lib
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/* 0xCC */ s16* unk_CC;
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/* 0xD0 */ ReverbBits reverbBits;
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/* 0xD1 */ char unk_D1[0x3];
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} SequenceChannel;
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// Maybe SequenceTrack?
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typedef struct SequenceChannelLayer {
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/* 0x00 */ u8 enabled : 1;
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/* 0x00 */ u8 finished : 1;
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/* 0x00 */ u8 stopSomething : 1; // ?
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/* 0x00 */ u8 continuousNotes : 1; // keep the same note for consecutive notes with the same sound
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/* 0x00 */ u8 unusedEu0b8 : 1;
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/* 0x00 */ u8 bit2 : 1;
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/* 0x00 */ u8 ignoreDrumPan : 1; // (wrong)
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/* 0x00 */ u8 notePropertiesNeedInit : 1;
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/*!0x01 */ ReverbBits reverbBits;
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/* 0x02 */ u8 instOrWave;
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/* 0x03 */ u8 status;
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/* 0x04 */ u8 noteDuration; // set to 0x80
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/* 0x05 */ u8 portamentoTargetNote;
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/*!0x06 */ u8 pan; // 0..128
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/*!0x07 */ u8 notePan;
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/* 0x08 */ u16 portamentoTime;
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/* 0x0A */ s16 transposition; // #semitones added to play commands
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// (m64 instruction encoding only allows referring to the limited range
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// 0..0x3f; this makes 0x40..0x7f accessible as well)
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/* 0x0C */ f32 unk0C;
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/* 0x10 */ s16 delay; // (wrong)
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/* 0x12 */ s16 duration; // (wrong)
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/* 0x14 */ f32 unk14;
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/* 0x18 */ AdsrSettings adsr;
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/*!0x20 */ Portamento portamento;
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/*!0x2C */ struct Note* note;
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/*!0x30 */ f32 freqScale;
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/* 0x34 */ s16 shortNoteDefaultPlayPercentage;
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/* 0x36 */ s16 playPercentage; // it's not really a percentage...
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/*!0x38 */ f32 velocitySquare;
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/* 0x3C */ s16 delayUnused; // set to 'delay', never read
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/*!0x40 */ f32 noteVelocity;
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/*!0x44 */ f32 noteFreqScale;
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/* 0x48 */ Instrument* instrument;
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/*!0x4C */ AudioBankSound* sound;
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/*!0x50 */ SequenceChannel* seqChannel;
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/* 0x54 */ M64ScriptState scriptState;
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/* 0x70 */ AudioListItem listItem;
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/* 0x80 */ char unk_80[0x10];
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} SequenceChannelLayer;
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typedef struct {
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s16 adpcmdecState[0x10];
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s16 finalResampleState[0x10];
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s16 mixEnvelopeState[0x28];
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s16 panResampleState[0x10];
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s16 panSamplesBuffer[0x20];
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s16 dummyResampleState[0x10];
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} NoteSynthesisBuffers;
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typedef struct {
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/* 0x00 */ u8 restart;
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/* 0x01 */ u8 sampleDmaIndex;
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/* 0x02 */ u8 prevHeadsetPanRight;
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/* 0x03 */ u8 prevHeadsetPanLeft;
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/* 0x04 */ u16 samplePosFrac;
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/* 0x08 */ s32 samplePosInt;
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/* 0x0C */ NoteSynthesisBuffers* synthesisBuffers;
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/* 0x10 */ s16 curVolLeft;
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/* 0x12 */ s16 curVolRight;
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} NoteSynthesisState;
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typedef struct {
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/*!0x00 */ struct SequenceChannel* seqChannel; // unless this changed to a layer...?
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/*!0x04 */ u32 time;
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/*!0x08 */ s16* curve;
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/*!0x0C */ f32 extent;
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/*!0x10 */ f32 rate;
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/*!0x14 */ u8 active;
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/*!0x16 */ u16 rateChangeTimer;
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/*!0x18 */ u16 extentChangeTimer;
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/*!0x1A */ u16 delay;
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} VibratoState; // size = 0x1C
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typedef struct {
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/*!0x00 */ u8 priority;
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/*!0x01 */ u8 waveId;
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/*!0x02 */ u8 sampleCountIndex;
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/* 0x03 */ u8 bankId;
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/* 0x04 */ u8 unk_04;
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/* 0x05 */ u8 stereoHeadsetEffects;
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/* 0x06 */ s16 adsrVolScale;
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/*!0x08 */ f32 portamentoFreqScale;
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/*!0x0C */ f32 vibratoFreqScale;
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/* 0x10 */ SequenceChannelLayer* prevParentLayer;
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/*!0x14 */ SequenceChannelLayer* parentLayer;
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/*!0x18 */ SequenceChannelLayer* wantedParentLayer;
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/*!0x1C */ NoteAttributes attributes;
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/*!0x40 */ AdsrState adsr;
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// may contain portamento, vibratoState, if those are not part of Note itself
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} NotePlaybackState;
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typedef struct {
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// (This might be a ReverbBits, and asByte might not exist)
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union {
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struct {
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/* 0x00 */ volatile u8 enabled : 1;
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/* 0x00 */ u8 needsInit : 1;
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/* 0x00 */ u8 finished : 1;
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/* 0x00 */ u8 envMixerNeedsInit : 1;
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/*!0x00 */ u8 stereoStrongRight : 1;
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/*!0x00 */ u8 stereoStrongLeft : 1;
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/* 0x00 */ u8 stereoHeadsetEffects : 1;
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/* 0x00 */ u8 usesHeadsetPanEffects : 1;
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} s;
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/* 0x00 */ u8 asByte;
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} bitField0;
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union {
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struct {
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/* 0x01 */ u8 reverbIndex : 3;
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/*!0x01 */ u8 bookOffset : 2;
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/* 0x01 */ u8 bit2 : 1;
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/* 0x01 */ u8 isSyntheticWave : 1;
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/* 0x01 */ u8 hasTwoAdpcmParts : 1;
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} s;
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/* 0x01 */ u8 asByte;
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} bitField1;
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/* 0x02 */ u8 unk_2;
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/* 0x03 */ u8 headsetPanRight;
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/* 0x04 */ u8 headsetPanLeft;
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/* 0x05 */ u8 reverbVol;
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/* 0x06 */ u8 unk_06; // sound shifted by 4.
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/* 0x07 */ u8 unk_07; // sound shifted by 4.
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/*!0x08 */ u16 targetVolLeft;
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/*!0x0A */ u16 targetVolRight;
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/* 0x0C */ u16 resamplingRateFixedPoint; // stored as signed but loaded as u16
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/* 0x0E */ s16 unk_10;
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/*!0x10 */ union {
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s16* samples;
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AudioBankSound* audioBankSound;
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} sound;
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/* 0x14 */ s16* unk_14;
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/* 0x18 */ char pad_18[0x8];
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} NoteSubEu; // size = 0x20
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typedef struct Note {
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/*!0x00 */ AudioListItem listItem;
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/* 0x10 */ NoteSynthesisState synthesisState;
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/* 0x24 */ char pad_24[0xC];
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/*!0x30 */ NotePlaybackState playbackState;
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/*!0x90 */ Portamento portamento;
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/*!0x9C */ VibratoState vibratoState; // size 0x1C
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/* 0xB8 */ char pad_B8[0x4];
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/* 0xBC */ u32 unk_BC;
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/*!0xC0 */ NoteSubEu noteSubEu;
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} Note; // size = 0xE0
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typedef struct {
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/* 0x00 */ s16 presetUnk4; // audio frames per vsync?
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/* 0x02 */ u16 frequency;
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/* 0x04 */ u16 aiFrequency; // ?16
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/* 0x06 */ s16 samplesPerFrameTarget;
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/* 0x08 */ s16 maxAiBufferLength;
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|
/* 0x0A */ s16 minAiBufferLength;
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|
/* 0x0C */ s16 updatesPerFrame;
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|
/* 0x0E */ s16 samplesPerUpdate;
|
|
/* 0x10 */ s16 samplesPerUpdateMax;
|
|
/* 0x12 */ s16 samplesPerUpdateMin;
|
|
/* 0x14 */ f32 resampleRate; // contains 32000.0f / frequency
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|
/* 0x18 */ f32 updatesPerFrameInv; // 1.0f / updatesPerFrame
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|
/* 0x1C */ f32 unkUpdatesPerFrameScaled; // 3.0f / (1280.0f * updatesPerFrame)
|
|
} AudioBufferParametersEU;
|
|
|
|
typedef struct {
|
|
u8* start;
|
|
u8* cur;
|
|
u32 size;
|
|
s32 unused; // set to 0, never read
|
|
} SoundAllocPool;
|
|
|
|
typedef struct {
|
|
/* 0x0000 */ char unk_0000[0x14];
|
|
/* 0x0014 */ NoteSubEu* gNoteSubsEu;
|
|
/* 0x0018 */ char unk_0014[0x282C];
|
|
/* 0x2844 */ CtlEntry* gCtlEntries;
|
|
/* 0x2848 */ char unk_2848[0x4];
|
|
/* 0x284C */ AudioBufferParametersEU gAudioBufferParameters;
|
|
/* 0x286C */ char unk_286C[0x28];
|
|
/* 0x2894 */ s32 gMaxSimultaneousNotes;
|
|
/* 0x2898 */ char unk_2898[0xE8];
|
|
/* 0x2980 */ s32 gAudioErrorFlags;
|
|
/* 0x2984 */ char unk_2984[0x3C];
|
|
/* 0x29C0 */ SoundAllocPool gNotesAndBuffersPool;
|
|
/* 0x29D0 */ char unk_29D0[0x0B5C];
|
|
/* 0x352C */ Note* gNotes;
|
|
/* 0x3530 */ char unk_3530[0x2654];
|
|
/* 0x5B84 */ s32 gNoteSubEuOffset;
|
|
} AudioContext;
|
|
|
|
typedef struct {
|
|
/*!0x00 */ u8 reverb; // 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 = 0x1C (May be longer)
|
|
|
|
#define NO_LAYER ((SequenceChannelLayer*)(-1))
|
|
#define NO_CHANNEL ((SequenceChannel*)(-1))
|
|
|
|
#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
|
|
|
|
#endif
|