sm64coopdx/tools/sdk-tools/adpcm/vadpcm.h

125 lines
2.5 KiB
C

#ifndef VADPCM_H
#define VADPCM_H
#include <stdio.h>
typedef signed char s8;
typedef short s16;
typedef int s32;
typedef long long s64;
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
typedef unsigned long long u64;
typedef float f32;
typedef double f64;
#if defined(__sgi) || (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
# define BSWAP16(x)
# define BSWAP32(x)
# define BSWAP16_MANY(x, n)
#else
# define BSWAP16(x) x = __builtin_bswap16(x);
# define BSWAP32(x) x = __builtin_bswap32(x);
# define BSWAP16_MANY(x, n) { s32 _i; for (_i = 0; _i < n; _i++) BSWAP16((x)[_i]) }
#endif
#ifdef __sgi
# define MODE_READ "r"
# define MODE_WRITE "w"
#else
# define MODE_READ "rb"
# define MODE_WRITE "wb"
#endif
typedef struct {
u32 ckID;
u32 ckSize;
} ChunkHeader;
typedef struct {
u32 ckID;
u32 ckSize;
u32 formType;
} Chunk;
typedef struct {
s16 numChannels;
u16 numFramesH;
u16 numFramesL;
s16 sampleSize;
s16 sampleRate[5]; // 80-bit float
u16 compressionTypeH;
u16 compressionTypeL;
} CommonChunk;
typedef struct {
s16 MarkerID;
u16 positionH;
u16 positionL;
} Marker;
typedef struct {
s16 playMode;
s16 beginLoop;
s16 endLoop;
} Loop;
typedef struct {
s8 baseNote;
s8 detune;
s8 lowNote;
s8 highNote;
s8 lowVelocity;
s8 highVelocity;
s16 gain;
Loop sustainLoop;
Loop releaseLoop;
} InstrumentChunk;
typedef struct {
s32 offset;
s32 blockSize;
} SoundDataChunk;
typedef struct {
s16 version;
s16 order;
s16 nEntries;
} CodeChunk;
typedef struct
{
u32 start;
u32 end;
u32 count;
s16 state[16];
} ALADPCMloop;
// vpredictor.c
s32 readcodebook(FILE *fhandle, s32 ****table, s32 *order, s32 *npredictors);
s32 readaifccodebook(FILE *fhandle, s32 ****table, s16 *order, s16 *npredictors);
s32 inner_product(s32 length, s32 *v1, s32 *v2);
// quant.c
s16 qsample(f32 x, s32 scale);
void clamp(s32 fs, f32 *e, s32 *ie, s32 bits);
s32 clip(s32 ix, s32 llevel, s32 ulevel);
// vdecode.c
void vdecodeframe(FILE *ifile, s32 *outp, s32 order, s32 ***coefTable);
// vencode.c
void vencodeframe(FILE *ofile, s16 *inBuffer, s32 *state, s32 ***coefTable, s32 order, s32 npredictors, s32 nsam);
// util.c
u32 readbits(u32 nbits, FILE *ifile);
char *ReadPString(FILE *ifile);
s32 lookupMarker(u32 *sample, s16 loopPoint, Marker *markers, s32 nmarkers);
ALADPCMloop *readlooppoints(FILE *ifile, s16 *nloops);
// sampleio.c
void writeout(FILE *outfd, s32 size, s32 *l_out, s32 *r_out, s32 chans);
#endif