#include <rtp.h>

Inheritance diagram for RTP_DataFrame:

Public Types
enum	{ ProtocolVersion = 2, MinHeaderSize = 12, MaxMtuPayloadSize = (576-20-16-12) }

enum	PayloadTypes { PCMU, FS1016, G721, G726 = G721, GSM, G7231, DVI4_8k, DVI4_16k, LPC, PCMA, G722, L16_Stereo, L16_Mono, G723, CN, MPA, G728, DVI4_11k, DVI4_22k, G729, Cisco_CN, CelB = 25, JPEG, H261 = 31, MPV, MP2T, H263, T38 = 38, LastKnownPayloadType, StartConflictRTCP = RTP_ControlFrame::e_FirstValidPayloadType&0x7f, EndConflictRTCP = RTP_ControlFrame::e_LastValidPayloadType&0x7f, DynamicBase = 96, MaxPayloadType = 127, IllegalPayloadType }

enum	HeaderExtensionType { RFC3550, RFC5285_OneByte, RFC5285_TwoByte }
	Extension header types. More...

Public Member Functions
	RTP_DataFrame (PINDEX payloadSize=0, PINDEX bufferSize=0)

	RTP_DataFrame (const BYTE *data, PINDEX len, bool dynamic=true)

unsigned	GetVersion () const

bool	GetExtension () const

void	SetExtension (bool ext)

bool	GetMarker () const

void	SetMarker (bool m)

bool	GetPadding () const

void	SetPadding (bool v)

BYTE *	GetPaddingPtr () const

PINDEX	GetPaddingSize () const

bool	SetPaddingSize (PINDEX sz)

PayloadTypes	GetPayloadType () const

void	SetPayloadType (PayloadTypes t)

WORD	GetSequenceNumber () const

void	SetSequenceNumber (WORD n)

DWORD	GetTimestamp () const

void	SetTimestamp (DWORD t)

DWORD	GetSyncSource () const

void	SetSyncSource (DWORD s)

PINDEX	GetContribSrcCount () const

DWORD	GetContribSource (PINDEX idx) const

void	SetContribSource (PINDEX idx, DWORD src)

PINDEX	GetHeaderSize () const

void	CopyHeader (const RTP_DataFrame &other)

void	Copy (const RTP_DataFrame &other)

BYTE *	GetHeaderExtension (unsigned &id, PINDEX &length, int idx=-1) const

BYTE *	GetHeaderExtension (HeaderExtensionType type, unsigned id, PINDEX &length) const

bool	SetHeaderExtension (unsigned id, PINDEX length, const BYTE *data, HeaderExtensionType type)

PINDEX	GetExtensionSizeDWORDs () const

bool	SetExtensionSizeDWORDs (PINDEX sz)

PINDEX	GetPayloadSize () const

bool	SetPayloadSize (PINDEX sz)

BYTE *	GetPayloadPtr () const

virtual PObject *	Clone () const

bool	SetPacketSize (PINDEX sz)

PINDEX	GetPacketSize () const

PTime	GetAbsoluteTime () const

void	SetAbsoluteTime ()

void	SetAbsoluteTime (const PTime &t)

unsigned	GetDiscontinuity () const

void	SetDiscontinuity (unsigned lost)

Protected Member Functions
bool	AdjustHeaderSize (PINDEX newSize)

Protected Attributes
PINDEX	m_headerSize

PINDEX	m_payloadSize

PINDEX	m_paddingSize

PTime	m_absoluteTime

unsigned	m_discontinuity

Detailed Description

An RTP data frame encapsulation.

Member Enumeration Documentation

anonymous enum

Enumerator
ProtocolVersion
MinHeaderSize
MaxMtuPayloadSize

enum RTP_DataFrame::HeaderExtensionType

Extension header types.

Enumerator
RFC3550
RFC5285_OneByte
RFC5285_TwoByte

enum RTP_DataFrame::PayloadTypes

Enumerator
PCMU
FS1016
G721
G726
GSM
G7231
DVI4_8k
DVI4_16k
LPC
PCMA
G722
L16_Stereo
L16_Mono
G723
CN
MPA
G728
DVI4_11k
DVI4_22k
G729
Cisco_CN
CelB
JPEG
H261
MPV
MP2T
H263
T38
LastKnownPayloadType
StartConflictRTCP
EndConflictRTCP
DynamicBase
MaxPayloadType
IllegalPayloadType

Constructor & Destructor Documentation

RTP_DataFrame::RTP_DataFrame	(	PINDEX	payloadSize = `0`,
		PINDEX	bufferSize = `0`
	)

Referenced by Clone().

RTP_DataFrame::RTP_DataFrame	(	const BYTE *	data,
		PINDEX	len,
		bool	dynamic = `true`
	)

Member Function Documentation

bool RTP_DataFrame::AdjustHeaderSize ( PINDEX newSize )

protected

virtual PObject* RTP_DataFrame::Clone ( ) const

inlinevirtual

References RTP_DataFrame().

void RTP_DataFrame::Copy ( const RTP_DataFrame & other )

void RTP_DataFrame::CopyHeader ( const RTP_DataFrame & other )

PTime RTP_DataFrame::GetAbsoluteTime ( ) const

inline

Get absolute (wall clock) time of packet, if known.

References m_absoluteTime.

DWORD RTP_DataFrame::GetContribSource ( PINDEX idx ) const

PINDEX RTP_DataFrame::GetContribSrcCount ( ) const

inline

unsigned RTP_DataFrame::GetDiscontinuity ( ) const

inline

Get sequence number discontinuity. If non-zero this indicates the number of packets detected as missing before this packet.

References m_discontinuity.

bool RTP_DataFrame::GetExtension ( ) const

inline

PINDEX RTP_DataFrame::GetExtensionSizeDWORDs ( ) const

BYTE* RTP_DataFrame::GetHeaderExtension	(	unsigned &	id,
		PINDEX &	length,
		int	idx = `-1`
	)		const

Get header extension. If idx < 0 then gets RFC 3550 format extension type. If idx >= 0 then get RFC 5285 format extension type for the idx'th extension.