mp3common.h File Reference

#include "mp3dec.h"
#include "statname.h"

Go to the source code of this file.

Data Structures
struct	_MP3DecInfo
struct	_SFBandTable

Macros
#define	MAX_SCFBD   4 /* max scalefactor bands per channel */
#define	NGRANS_MPEG1   2
#define	NGRANS_MPEG2   1
#define	SYNCWORDH   0xff
#define	SYNCWORDL   0xf0

Typedefs
typedef struct _MP3DecInfo	MP3DecInfo
typedef struct _SFBandTable	SFBandTable

Functions
MP3DecInfo *	AllocateBuffers (void)
void	FreeBuffers (MP3DecInfo *mp3DecInfo)
int	CheckPadBit (MP3DecInfo *mp3DecInfo)
int	UnpackFrameHeader (MP3DecInfo *mp3DecInfo, unsigned char *buf)
int	UnpackSideInfo (MP3DecInfo *mp3DecInfo, unsigned char *buf)
int	DecodeHuffman (MP3DecInfo *mp3DecInfo, unsigned char *buf, int *bitOffset, int huffBlockBits, int gr, int ch)
int	Dequantize (MP3DecInfo *mp3DecInfo, int gr)
int	IMDCT (MP3DecInfo *mp3DecInfo, int gr, int ch)
int	UnpackScaleFactors (MP3DecInfo *mp3DecInfo, unsigned char *buf, int *bitOffset, int bitsAvail, int gr, int ch)
int	Subband (MP3DecInfo *mp3DecInfo, short *pcmBuf)

Variables
const int	samplerateTab [3][3]
const short	bitrateTab [3][3][15]
const short	samplesPerFrameTab [3][3]
const short	bitsPerSlotTab [3]
const short	sideBytesTab [3][2]
const short	slotTab [3][3][15]
const SFBandTable	sfBandTable [3][3]

Macro Definition Documentation

MAX_SCFBD

#define MAX_SCFBD   4 /* max scalefactor bands per channel */

Definition at line 50 of file mp3common.h.

NGRANS_MPEG1

#define NGRANS_MPEG1   2

Definition at line 51 of file mp3common.h.

NGRANS_MPEG2

#define NGRANS_MPEG2   1

Definition at line 52 of file mp3common.h.

SYNCWORDH

#define SYNCWORDH   0xff

Definition at line 61 of file mp3common.h.

SYNCWORDL

#define SYNCWORDL   0xf0

Definition at line 62 of file mp3common.h.

Typedef Documentation

MP3DecInfo

typedef struct _MP3DecInfo MP3DecInfo

SFBandTable

typedef struct _SFBandTable SFBandTable

Function Documentation

AllocateBuffers()

MP3DecInfo * AllocateBuffers

(

void

)

Definition at line 92 of file buffers.c.

CheckPadBit()

int CheckPadBit

(

MP3DecInfo *

mp3DecInfo

)

Definition at line 188 of file bitstream.c.

DecodeHuffman()

int DecodeHuffman	(	MP3DecInfo *	mp3DecInfo,
		unsigned char *	buf,
		int *	bitOffset,
		int	huffBlockBits,
		int	gr,
		int	ch )

Definition at line 380 of file huffman.c.

Dequantize()

int Dequantize	(	MP3DecInfo *	mp3DecInfo,
		int	gr )

Definition at line 73 of file dequant.c.

FreeBuffers()

void FreeBuffers

(

MP3DecInfo *

mp3DecInfo

)

Definition at line 156 of file buffers.c.

IMDCT()

int IMDCT	(	MP3DecInfo *	mp3DecInfo,
		int	gr,
		int	ch )

Definition at line 722 of file imdct.c.

Subband()

int Subband	(	MP3DecInfo *	mp3DecInfo,
		short *	pcmBuf )

Definition at line 60 of file subband.c.

UnpackFrameHeader()

int UnpackFrameHeader	(	MP3DecInfo *	mp3DecInfo,
		unsigned char *	buf )

Definition at line 218 of file bitstream.c.

UnpackScaleFactors()

int UnpackScaleFactors	(	MP3DecInfo *	mp3DecInfo,
		unsigned char *	buf,
		int *	bitOffset,
		int	bitsAvail,
		int	gr,
		int	ch )

Definition at line 352 of file scalfact.c.

UnpackSideInfo()

int UnpackSideInfo	(	MP3DecInfo *	mp3DecInfo,
		unsigned char *	buf )

Definition at line 302 of file bitstream.c.

Variable Documentation

bitrateTab

const short bitrateTab[3][3][15]

extern

Definition at line 60 of file mp3tabs.c.

bitsPerSlotTab

const short bitsPerSlotTab[3]

extern

Definition at line 91 of file mp3tabs.c.

samplerateTab

const int samplerateTab[3][3]

extern

Definition at line 49 of file mp3tabs.c.

samplesPerFrameTab

const short samplesPerFrameTab[3][3]

extern

Definition at line 84 of file mp3tabs.c.

sfBandTable

const SFBandTable sfBandTable[3][3]

extern

Definition at line 131 of file mp3tabs.c.

sideBytesTab

const short sideBytesTab[3][2]

extern

Definition at line 96 of file mp3tabs.c.

slotTab

const short slotTab[3][3][15]

extern

Definition at line 106 of file mp3tabs.c.