read_xa.c File Reference

#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <limits.h>
#include "read_xa.h"

Classes
struct	channel_t

Macros
#define	HINIBBLE(byte)   ((byte) >> 4)
#define	LONIBBLE(byte)   ((byte) & 0x0F)
#define	read_uint32(x)   (unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)) | ((x)[2]<<(8*2)) | ((x)[3]<<(8*3)))
#define	read_uint16(x)   (unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)))

Functions
size_t	xa_compressed_size (size_t Frames, size_t Channels)
int	xa_read_header (xaheader_t *XAHeader, const uint8_t *Buffer, size_t FileSize)
static __inline int16_t	Clip16 (int sample)
int	xa_decode (const uint8_t *__restrict InBuffer, uint8_t *__restrict OutBuffer, size_t Frames, size_t Channels)

Variables
static const int16_t	XATable []

Macro Definition Documentation

#define HINIBBLE

(

byte)

((byte) >> 4)

#define LONIBBLE

(

byte)

((byte) & 0x0F)

#define read_uint16

(

x)

(unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)))

#define read_uint32

(

x)

(unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)) | ((x)[2]<<(8*2)) | ((x)[3]<<(8*3)))

Function Documentation

static __inline int16_t Clip16 ( int  sample)

static

size_t xa_compressed_size	(	size_t	Frames,
		size_t	Channels
	)

int xa_decode	(	const uint8_t *__restrict	InBuffer,
		uint8_t *__restrict	OutBuffer,
		size_t	Frames,
		size_t	Channels
	)

int xa_read_header	(	xaheader_t *	XAHeader,
		const uint8_t *	Buffer,
		size_t	FileSize
	)

Variable Documentation

const int16_t XATable[]

static

Initial value:

=
{
    0, 240,  460,  392,
    0,   0, -208, -220,
    0,   1,    3,    4,
    7,   8,   10,   11,
    0,  -1,   -3,   -4
}