Burger::DecompressMP3::XingChunk_t Struct Reference

Public Member Functions
uint_t	Decode (const uint8_t *pInput)
	Decode a Xing data chunk.

Static Public Member Functions
static uint_t	IsSignatureValid (const uint8_t *pInput)
	Test if a Xing chunk signature was valid.

Public Attributes
uint_t	m_uFlags
	Xing header flags, see XING_* for bits.
uint_t	m_uFrames
	Number of audio frames.
uint_t	m_uBytes
	Number of bytes.
uint_t	m_uQuality
	Quality (0 best, 100 worst)
uint_t	m_uSampleRate
	Sample rate in Hz.
uint_t	m_uHeaderSize
	Size of the VBR record in bytes.
int	m_iEncodingDelay
	Delay in samples 0-3000 or -1 if invalid.
int	m_iEncodingPadding
	Padding at the end of the field 0-3000 or -1 if invalid.
uint8_t	m_TOC [cTOCEntries]
	Table of contents (Can be zeros if no TOC is present)

Static Public Attributes
static const uint_t	cTOCEntries = 100
	< Structure for Xing format VBR data
static const uint_t	XING_FRAMES_FLAG = 0x0001
	Frames field is present.
static const uint_t	XING_BYTES_FLAG = 0x0002
	Bytes field is present.
static const uint_t	XING_TOC_FLAG = 0x0004
	TOC field is present.
static const uint_t	XING_QUALITY_FLAG = 0x0008
	Quality indicator field is present.
static const uintptr_t	cRawHeaderSize = 194
	Number of bytes the raw stream could occupy, maximum.

Member Function Documentation

Decode()

uint_t BURGER_API Burger::DecompressMP3::XingChunk_t::Decode

(

const uint8_t *

pInput

)

Decode a Xing data chunk.

---

https://www.codeproject.com/Articles/8295/MPEG-Audio-Frame-Header

Parameters

pInput

Pointer to a Xing header

Returns

Zero if no error, non zero for an error code

IsSignatureValid()

uint_t BURGER_API Burger::DecompressMP3::XingChunk_t::IsSignatureValid ( const uint8_t * pInput )

static

Test if a Xing chunk signature was valid.

---

Parameters

pInput

Pointer to a Xing header

Returns

TRUE if valid, FALSE if not

Member Data Documentation

cRawHeaderSize

const uintptr_t Burger::DecompressMP3::XingChunk_t::cRawHeaderSize = 194

static

Number of bytes the raw stream could occupy, maximum.

cTOCEntries

const uint_t Burger::DecompressMP3::XingChunk_t::cTOCEntries = 100

static

< Structure for Xing format VBR data

Maximum number of Table of Contents entries

m_iEncodingDelay

int Burger::DecompressMP3::XingChunk_t::m_iEncodingDelay

Delay in samples 0-3000 or -1 if invalid.

m_iEncodingPadding

int Burger::DecompressMP3::XingChunk_t::m_iEncodingPadding

Padding at the end of the field 0-3000 or -1 if invalid.

m_TOC

uint8_t Burger::DecompressMP3::XingChunk_t::m_TOC[cTOCEntries]

Table of contents (Can be zeros if no TOC is present)

m_uBytes

uint_t Burger::DecompressMP3::XingChunk_t::m_uBytes

Number of bytes.

m_uFlags

uint_t Burger::DecompressMP3::XingChunk_t::m_uFlags

Xing header flags, see XING_* for bits.

m_uFrames

uint_t Burger::DecompressMP3::XingChunk_t::m_uFrames

Number of audio frames.

m_uHeaderSize

uint_t Burger::DecompressMP3::XingChunk_t::m_uHeaderSize

Size of the VBR record in bytes.

m_uQuality

uint_t Burger::DecompressMP3::XingChunk_t::m_uQuality

Quality (0 best, 100 worst)

m_uSampleRate

uint_t Burger::DecompressMP3::XingChunk_t::m_uSampleRate

Sample rate in Hz.

XING_BYTES_FLAG

const uint_t Burger::DecompressMP3::XingChunk_t::XING_BYTES_FLAG = 0x0002

static

Bytes field is present.

XING_FRAMES_FLAG

const uint_t Burger::DecompressMP3::XingChunk_t::XING_FRAMES_FLAG = 0x0001

static

Frames field is present.

XING_QUALITY_FLAG

const uint_t Burger::DecompressMP3::XingChunk_t::XING_QUALITY_FLAG = 0x0008

static

Quality indicator field is present.

XING_TOC_FLAG

const uint_t Burger::DecompressMP3::XingChunk_t::XING_TOC_FLAG = 0x0004

static

TOC field is present.