/*
 *** wav.h: common header for wav file handling ***
 */

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <math.h>

#define	AMP1		SCHAR_MAX	/* 8-bit data max. amplitude */
#define	AMP2		SHRT_MAX	/* 16-bit data max. amplitude */
#define	FORMATSIZE	16L		/* default format chunk size */
#define	CHUNKOFFSET	28L		/* default header chunk offset */

#define	F_PCM		0x0001		/* PCM format */

#define	MONOURAL	1
#define	STEREO		2

typedef struct {			/* wave format */
	short	DataID;
	short	Channels;
	int	SamplingRate;
	int	BytesPerSec;
	short	BytesPerUnit;
	short	BitsPerSample;
} WAVFMT;

extern void wavopen();
extern void wavclose();
extern void wavdata();
extern void default_format();