RtpPacket.h File Reference

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Classes
struct	__RtpPacketHeader
struct	__Payloads
struct	__RtpPacket

Macros
#define	MIN_HEADER_LENGTH   12
#define	VERSION_SHIFT   6
#define	VERSION_MASK   0x3
#define	PADDING_SHIFT   5
#define	PADDING_MASK   0x1
#define	EXTENSION_SHIFT   4
#define	EXTENSION_MASK   0x1
#define	CSRC_COUNT_MASK   0xF
#define	MARKER_SHIFT   7
#define	MARKER_MASK   0x1
#define	PAYLOAD_TYPE_MASK   0x7F
#define	SEQ_NUMBER_OFFSET   2
#define	TIMESTAMP_OFFSET   4
#define	SSRC_OFFSET   8
#define	CSRC_OFFSET   12
#define	CSRC_LENGTH   4
#define	RTP_HEADER_LEN(pRtpPacket)
#define	RTP_GET_RAW_PACKET_SIZE(pRtpPacket)
#define	GET_UINT16_SEQ_NUM(seqIndex)
#define	TWCC_EXT_PROFILE   0xBEDE
#define	TWCC_PAYLOAD(extId, sequenceNum)
#define	TWCC_SEQNUM(extPayload)

Typedefs
typedef STATUS(*	DepayRtpPayloadFunc) (PBYTE, UINT32, PBYTE, PUINT32, PBOOL)
typedef struct __RtpPacketHeader	RtpPacketHeader
typedef RtpPacketHeader *	PRtpPacketHeader
typedef struct __Payloads	PayloadArray
typedef PayloadArray *	PPayloadArray
typedef struct __RtpPacket	RtpPacket
typedef RtpPacket *	PRtpPacket

Functions
STATUS	createRtpPacket (UINT8, BOOL, BOOL, UINT8, BOOL, UINT8, UINT16, UINT32, UINT32, PUINT32, UINT16, UINT32, PBYTE, PBYTE, UINT32, PRtpPacket *)
STATUS	setRtpPacket (UINT8, BOOL, BOOL, UINT8, BOOL, UINT8, UINT16, UINT32, UINT32, PUINT32, UINT16, UINT32, PBYTE, PBYTE, UINT32, PRtpPacket)
STATUS	freeRtpPacket (PRtpPacket *)
STATUS	createRtpPacketFromBytes (PBYTE, UINT32, PRtpPacket *)
STATUS	constructRetransmitRtpPacketFromBytes (PBYTE, UINT32, UINT16, UINT8, UINT32, UINT32, PRtpPacket *)
STATUS	setRtpPacketFromBytes (PBYTE, UINT32, PRtpPacket)
STATUS	createBytesFromRtpPacket (PRtpPacket, PBYTE, PUINT32)
STATUS	setBytesFromRtpPacket (PRtpPacket, PBYTE, UINT32)
STATUS	constructRtpPackets (PPayloadArray, UINT8, UINT16, UINT32, UINT32, PRtpPacket, UINT32)

Macro Definition Documentation

CSRC_COUNT_MASK

#define CSRC_COUNT_MASK   0xF

CSRC_LENGTH

#define CSRC_LENGTH   4

CSRC_OFFSET

#define CSRC_OFFSET   12

EXTENSION_MASK

#define EXTENSION_MASK   0x1

EXTENSION_SHIFT

#define EXTENSION_SHIFT   4

GET_UINT16_SEQ_NUM

#define GET_UINT16_SEQ_NUM

(

seqIndex

)

Value:

((UINT16) ((seqIndex) % (MAX_UINT16 + 1)))

MARKER_MASK

#define MARKER_MASK   0x1

MARKER_SHIFT

#define MARKER_SHIFT   7

MIN_HEADER_LENGTH

#define MIN_HEADER_LENGTH   12

PADDING_MASK

#define PADDING_MASK   0x1

PADDING_SHIFT

#define PADDING_SHIFT   5

PAYLOAD_TYPE_MASK

#define PAYLOAD_TYPE_MASK   0x7F

RTP_GET_RAW_PACKET_SIZE

#define RTP_GET_RAW_PACKET_SIZE

(

pRtpPacket

)

Value:

(RTP_HEADER_LEN(pRtpPacket) + ((pRtpPacket)->payloadLength))

RTP_HEADER_LEN

#define RTP_HEADER_LEN

(

pRtpPacket

)

Value:

    (12 + (pRtpPacket)->header.csrcCount * CSRC_LENGTH + ((pRtpPacket)->header.extension ? 4 + (pRtpPacket)->header.extensionLength : 0))

SEQ_NUMBER_OFFSET

#define SEQ_NUMBER_OFFSET   2

SSRC_OFFSET

#define SSRC_OFFSET   8

TIMESTAMP_OFFSET

#define TIMESTAMP_OFFSET   4

TWCC_EXT_PROFILE

#define TWCC_EXT_PROFILE   0xBEDE

TWCC_PAYLOAD

#define TWCC_PAYLOAD	(		extId,
			sequenceNum )

Value:

htonl((((extId) & 0xfu) << 28u) | (1u << 24u) | ((UINT32) (sequenceNum) << 8u))

TWCC_SEQNUM

#define TWCC_SEQNUM

(

extPayload

)

Value:

((UINT16) getUnalignedInt16BigEndian(extPayload + 1))

VERSION_MASK

#define VERSION_MASK   0x3

VERSION_SHIFT

#define VERSION_SHIFT   6

Typedef Documentation

DepayRtpPayloadFunc

typedef STATUS(* DepayRtpPayloadFunc) (PBYTE, UINT32, PBYTE, PUINT32, PBOOL)

PayloadArray

typedef struct __Payloads PayloadArray

PPayloadArray

typedef PayloadArray* PPayloadArray

PRtpPacket

typedef RtpPacket* PRtpPacket

PRtpPacketHeader

typedef RtpPacketHeader* PRtpPacketHeader

RtpPacket

typedef struct __RtpPacket RtpPacket

RtpPacketHeader

typedef struct __RtpPacketHeader RtpPacketHeader

Function Documentation

constructRetransmitRtpPacketFromBytes()

STATUS constructRetransmitRtpPacketFromBytes	(	PBYTE	rawPacket,
		UINT32	packetLength,
		UINT16	sequenceNum,
		UINT8	payloadType,
		UINT32	ssrc,
		UINT32	twccExtPayload,
		PRtpPacket *	ppRtpPacket )

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constructRtpPackets()

STATUS constructRtpPackets	(	PPayloadArray	pPayloadArray,
		UINT8	payloadType,
		UINT16	startSequenceNumber,
		UINT32	timestamp,
		UINT32	ssrc,
		PRtpPacket	pPackets,
		UINT32	packetCount )

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createBytesFromRtpPacket()

STATUS createBytesFromRtpPacket	(	PRtpPacket	pRtpPacket,
		PBYTE	pRawPacket,
		PUINT32	pPacketLength )

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createRtpPacket()

STATUS createRtpPacket	(	UINT8	version,
		BOOL	padding,
		BOOL	extension,
		UINT8	csrcCount,
		BOOL	marker,
		UINT8	payloadType,
		UINT16	sequenceNumber,
		UINT32	timestamp,
		UINT32	ssrc,
		PUINT32	csrcArray,
		UINT16	extensionProfile,
		UINT32	extensionLength,
		PBYTE	extensionPayload,
		PBYTE	payload,
		UINT32	payloadLength,
		PRtpPacket *	ppRtpPacket )

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createRtpPacketFromBytes()

STATUS createRtpPacketFromBytes	(	PBYTE	rawPacket,
		UINT32	packetLength,
		PRtpPacket *	ppRtpPacket )

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freeRtpPacket()

STATUS freeRtpPacket

(

PRtpPacket *

ppRtpPacket

)

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setBytesFromRtpPacket()

STATUS setBytesFromRtpPacket	(	PRtpPacket	pRtpPacket,
		PBYTE	pRawPacket,
		UINT32	packetLength )

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setRtpPacket()

STATUS setRtpPacket	(	UINT8	version,
		BOOL	padding,
		BOOL	extension,
		UINT8	csrcCount,
		BOOL	marker,
		UINT8	payloadType,
		UINT16	sequenceNumber,
		UINT32	timestamp,
		UINT32	ssrc,
		PUINT32	csrcArray,
		UINT16	extensionProfile,
		UINT32	extensionLength,
		PBYTE	extensionPayload,
		PBYTE	payload,
		UINT32	payloadLength,
		PRtpPacket	pRtpPacket )

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setRtpPacketFromBytes()

STATUS setRtpPacketFromBytes	(	PBYTE	rawPacket,
		UINT32	packetLength,
		PRtpPacket	pRtpPacket )

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