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iff.h
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1992-01-18
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/*
* iff.h - kludge to make audio2.c ARKM example to work
*
* BrunoCosta - 19 Feb 91 - 19 Feb 91
*
* (from jiff.h and IFFSound.c (Future Sound))
*/
#define MakeID(a,b,c,d) ((ULONG)( \
((ULONG)(a)<<24) | ((ULONG)(b)<<16) | \
((ULONG)(c)<<8) | (ULONG)(d) \
))
#define FORM MakeID('F', 'O', 'R', 'M')
#define ILBM MakeID('I', 'L', 'B', 'M')
#if 0
#define BMHD MakeID('B', 'M', 'H', 'D')
#define CMAP MakeID('C', 'M', 'A', 'P')
#define BODY MakeID('B', 'O', 'D', 'Y')
#define 8SVX MakeID('8', 'S', 'V', 'X')
#define GRAB MakeID('G', 'R', 'A', 'B')
#define DEST MakeID('D', 'E', 'S', 'T')
#define SPRT MakeID('S', 'P', 'R', 'T')
#define CAMG MakeID('C', 'A', 'M', 'G')
#define CRNG MakeID('C', 'R', 'N', 'G')
#define CCRT MakeID('C', 'C', 'R', 'T')
#endif
typedef struct {
ULONG ckID;
LONG ckSize;
} Chunk;
typedef LONG Fixed;
#define Unity 0x10000L
#define sCmpNone 0
#define sCmpFibDelta 1
typedef struct {
ULONG oneShotHiSamples, /* # samples in the high octave 1-shot part */
repeatHiSamples, /* # samples in the high octave repeat part */
samplesPerHiCycle; /* # samples/cycle in high octave, else 0 */
UWORD samplesPerSec; /* data sampling rate */
UBYTE ctOctave, /* number of octaves of waveforms */
sCompression; /* data compression technique used */
Fixed volume; /* playback volume from 0 to Unity */
} Voice8Header;