sm64

A Super Mario 64 decompilation
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libaudio_internal.h (3092B)

      1 #ifndef _LIBAUDIO_INTERNAL_H_
      2 #define _LIBAUDIO_INTERNAL_H_
      3 #include <ultra64.h>
      4 #define AL_BANK_VERSION 0x4231 /* 'B1' */
      5 
      6 typedef u8 ALPan;
      7 typedef s32 ALMicroTime;
      8 
      9 /* Possible wavetable types */
     10 enum
     11 {
     12     AL_ADPCM_WAVE = 0,
     13     AL_RAW16_WAVE
     14 };
     15 
     16 typedef struct
     17 {
     18     u32 start;
     19     u32 end;
     20     u32 count;
     21 } ALRawLoop;
     22 
     23 typedef struct
     24 {
     25     u32 start;
     26     u32 end;
     27     u32 count;
     28     ADPCM_STATE state;
     29 } ALADPCMloop;
     30 
     31 typedef struct
     32 {
     33     s32 order;
     34     s32 npredictors;
     35     s16 book[1]; // variable size, 8-byte aligned
     36 } ALADPCMBook;
     37 
     38 typedef struct
     39 {
     40     ALMicroTime attackTime;
     41     ALMicroTime decayTime;
     42     ALMicroTime releaseTime;
     43     u8 attackVolume;
     44     u8 decayVolume;
     45 } ALEnvelope;
     46 
     47 typedef struct
     48 {
     49     u8 velocityMin;
     50     u8 velocityMax;
     51     u8 keyMin;
     52     u8 keyMax;
     53     u8 keyBase;
     54     s8 detune;
     55 } ALKeyMap;
     56 
     57 typedef struct
     58 {
     59     ALADPCMloop *loop;
     60     ALADPCMBook *book;
     61 } ALADPCMWaveInfo;
     62 
     63 typedef struct
     64 {
     65     ALRawLoop *loop;
     66 } ALRAWWaveInfo;
     67 
     68 typedef struct ALWaveTable_s
     69 {
     70     u8 *base; /* ptr to start of wave data    */
     71     s32 len;  /* length of data in bytes      */
     72     u8 type;  /* compression type             */
     73     u8 flags; /* offset/address flags         */
     74     union {
     75         ALADPCMWaveInfo adpcmWave;
     76         ALRAWWaveInfo rawWave;
     77     } waveInfo;
     78 } ALWaveTable;
     79 
     80 typedef struct ALSound_s
     81 {
     82     ALEnvelope *envelope;
     83     ALKeyMap *keyMap;
     84     ALWaveTable *wavetable; /* offset to wavetable struct           */
     85     ALPan samplePan;
     86     u8 sampleVolume;
     87     u8 flags;
     88 } ALSound;
     89 
     90 typedef struct
     91 {
     92     u8 volume;   /* overall volume for this instrument   */
     93     ALPan pan;   /* 0 = hard left, 127 = hard right      */
     94     u8 priority; /* voice priority for this instrument   */
     95     u8 flags;
     96     u8 tremType;    /* the type of tremelo osc. to use      */
     97     u8 tremRate;    /* the rate of the tremelo osc.         */
     98     u8 tremDepth;   /* the depth of the tremelo osc         */
     99     u8 tremDelay;   /* the delay for the tremelo osc        */
    100     u8 vibType;     /* the type of tremelo osc. to use      */
    101     u8 vibRate;     /* the rate of the tremelo osc.         */
    102     u8 vibDepth;    /* the depth of the tremelo osc         */
    103     u8 vibDelay;    /* the delay for the tremelo osc        */
    104     s16 bendRange;  /* pitch bend range in cents            */
    105     s16 soundCount; /* number of sounds in this array       */
    106     ALSound *soundArray[1];
    107 } ALInstrument;
    108 
    109 typedef struct ALBank_s
    110 {
    111     s16 instCount; /* number of programs in this bank */
    112     u8 flags;
    113     u8 pad;
    114     s32 sampleRate;             /* e.g. 44100, 22050, etc...       */
    115     ALInstrument *percussion;   /* default percussion for GM       */
    116     ALInstrument *instArray[1]; /* ARRAY of instruments            */
    117 } ALBank;
    118 
    119 typedef struct
    120 {                         /* Note: sizeof won't be correct        */
    121     s16 revision;         /* format revision of this file         */
    122     s16 bankCount;        /* number of banks                      */
    123     ALBank *bankArray[1]; /* ARRAY of bank offsets                */
    124 } ALBankFile;
    125 
    126 void alBnkfNew(ALBankFile *f, u8 *table);
    127 #endif