MP3Internals.hh File Reference

#include "Boolean.hh"
#include "BitVector.hh"

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Data Structures
struct	MP3SideInfo
struct	MP3SideInfo::gr_info_s
class	MP3FrameParams

Macros
#define	SBLIMIT   32
#define	MAX_MP3_FRAME_SIZE   2500 /* also big enough for an 'ADU'ized frame */

Typedefs
typedef struct MP3SideInfo	MP3SideInfo_t

Functions
unsigned	ComputeFrameSize (unsigned bitrate, unsigned samplingFreq, Boolean usePadding, Boolean isMPEG2, unsigned char layer)
Boolean	GetADUInfoFromMP3Frame (unsigned char const *framePtr, unsigned totFrameSize, unsigned &hdr, unsigned &frameSize, MP3SideInfo &sideInfo, unsigned &sideInfoSize, unsigned &backpointer, unsigned &aduSize)
Boolean	ZeroOutMP3SideInfo (unsigned char *framePtr, unsigned totFrameSize, unsigned newBackpointer)
unsigned	TranscodeMP3ADU (unsigned char const *fromPtr, unsigned fromSize, unsigned toBitrate, unsigned char *toPtr, unsigned toMaxSize, unsigned &availableBytesForBackpointer)

Macro Definition Documentation

MAX_MP3_FRAME_SIZE

#define MAX_MP3_FRAME_SIZE   2500 /* also big enough for an 'ADU'ized frame */

Definition at line 64 of file MP3Internals.hh.

SBLIMIT

#define SBLIMIT   32

Definition at line 63 of file MP3Internals.hh.

Typedef Documentation

MP3SideInfo_t

typedef struct MP3SideInfo MP3SideInfo_t

Function Documentation

ComputeFrameSize()

unsigned ComputeFrameSize	(	unsigned	bitrate,
		unsigned	samplingFreq,
		Boolean	usePadding,
		Boolean	isMPEG2,
		unsigned char	layer
	)

GetADUInfoFromMP3Frame()

Boolean GetADUInfoFromMP3Frame	(	unsigned char const *	framePtr,
		unsigned	totFrameSize,
		unsigned &	hdr,
		unsigned &	frameSize,
		MP3SideInfo &	sideInfo,
		unsigned &	sideInfoSize,
		unsigned &	backpointer,
		unsigned &	aduSize
	)

TranscodeMP3ADU()

unsigned TranscodeMP3ADU	(	unsigned char const *	fromPtr,
		unsigned	fromSize,
		unsigned	toBitrate,
		unsigned char *	toPtr,
		unsigned	toMaxSize,
		unsigned &	availableBytesForBackpointer
	)

ZeroOutMP3SideInfo()

Boolean ZeroOutMP3SideInfo	(	unsigned char *	framePtr,
		unsigned	totFrameSize,
		unsigned	newBackpointer
	)