shithub: pplay

ref: 8f75ccd8bca408e6f080f774658ec23ac4839838
dir: /dat.h/

typedef struct Chunk Chunk;
typedef struct Pos Pos;
typedef struct Dot Dot;

enum{
	Rate = 44100,
	WriteRate = 25,
	WriteDelay = Rate / WriteRate,	/* 1764 default delay */
	Sampsz = 2 * 2,
	Outsz = WriteDelay * Sampsz,
	Iochunksz = 1*1024*1024,	/* ≈ 6 sec. at 44.1 kHz */
	Ioreadsz = Iochunksz / 32,
};
struct Chunk{
	uchar *buf;
	usize bufsz;
	Chunk *left;
	Chunk *right;
};
struct Pos{
	usize pos;	/* bytes */
};
extern struct Dot{
	Pos;
	Pos from;
	Pos to;
};
extern Dot dot;
extern usize totalsz;

extern int stereo;
extern int zoom;

#define MIN(x,y)	((x) < (y) ? (x) : (y))
#define MAX(x,y)	((x) > (y) ? (x) : (y))