Rtcp.h File Reference

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Macros
#define	TWCC_TICKS_PER_SECOND   (1000000LL / 250)
#define	MICROSECONDS_PER_SECOND   1000000LL
#define	MILLISECONDS_PER_SECOND   1000LL
#define	TWCC_PACKET_LOST_TIME   ((UINT64) (-1LL))
#define	TWCC_PACKET_UNITIALIZED_TIME   0
#define	TWCC_ESTIMATOR_TIME_WINDOW   (1 * HUNDREDS_OF_NANOS_IN_A_SECOND)
#define	TWCC_FB_PACKETCHUNK_SIZE   2
#define	IS_TWCC_RUNLEN(packetChunk)   ((((packetChunk) >> 15u) & 1u) == 0)
#define	TWCC_RUNLEN_STATUS_SYMBOL(packetChunk)   (((packetChunk) >> 13u) & 3u)
#define	TWCC_RUNLEN_GET(packetChunk)   ((packetChunk) & 0x1fffu)
#define	TWCC_IS_NOTRECEIVED(statusSymbol)   ((statusSymbol) == TWCC_STATUS_SYMBOL_NOTRECEIVED)
#define	TWCC_ISRECEIVED(statusSymbol)   ((statusSymbol) == TWCC_STATUS_SYMBOL_SMALLDELTA || (statusSymbol) == TWCC_STATUS_SYMBOL_LARGEDELTA)
#define	TWCC_RUNLEN_ISRECEIVED(packetChunk)   TWCC_ISRECEIVED(TWCC_RUNLEN_STATUS_SYMBOL(packetChunk))
#define	TWCC_STATUSVECTOR_IS_2BIT(packetChunk)   (((packetChunk) >> 14u) & 1u)
#define	TWCC_STATUSVECTOR_SSIZE(packetChunk)   (TWCC_STATUSVECTOR_IS_2BIT(packetChunk) ? 2u : 1u)
#define	TWCC_STATUSVECTOR_SMASK(packetChunk)   (TWCC_STATUSVECTOR_IS_2BIT(packetChunk) ? 2u : 1u)
#define	TWCC_STATUSVECTOR_STATUS(packetChunk, i)    (((packetChunk) >> (14u - (i) * TWCC_STATUSVECTOR_SSIZE(packetChunk))) & TWCC_STATUSVECTOR_SMASK(packetChunk))
#define	TWCC_STATUSVECTOR_COUNT(packetChunk)   (TWCC_STATUSVECTOR_IS_2BIT(packetChunk) ? 7 : 14)
#define	TWCC_PACKET_STATUS_COUNT(payload)   (getUnalignedInt16BigEndian((payload) + 10))

Enumerations
enum	TWCC_STATUS_SYMBOL { TWCC_STATUS_SYMBOL_NOTRECEIVED = 0 , TWCC_STATUS_SYMBOL_SMALLDELTA , TWCC_STATUS_SYMBOL_LARGEDELTA }

Functions
STATUS	onRtcpPacket (PKvsPeerConnection, PBYTE, UINT32)
STATUS	onRtcpRembPacket (PRtcpPacket, PKvsPeerConnection)
STATUS	onRtcpTwccPacket (PRtcpPacket, PKvsPeerConnection)
STATUS	onRtcpPLIPacket (PRtcpPacket, PKvsPeerConnection)
STATUS	onRtcpSLIPacket (PRtcpPacket, PKvsPeerConnection)
STATUS	parseRtcpTwccPacket (PRtcpPacket, PTwccManager)

Macro Definition Documentation

IS_TWCC_RUNLEN

#define IS_TWCC_RUNLEN

(

packetChunk

)

((((packetChunk) >> 15u) & 1u) == 0)

MICROSECONDS_PER_SECOND

#define MICROSECONDS_PER_SECOND   1000000LL

MILLISECONDS_PER_SECOND

#define MILLISECONDS_PER_SECOND   1000LL

TWCC_ESTIMATOR_TIME_WINDOW

#define TWCC_ESTIMATOR_TIME_WINDOW   (1 * HUNDREDS_OF_NANOS_IN_A_SECOND)

TWCC_FB_PACKETCHUNK_SIZE

#define TWCC_FB_PACKETCHUNK_SIZE   2

TWCC_IS_NOTRECEIVED

#define TWCC_IS_NOTRECEIVED

(

statusSymbol

)

((statusSymbol) == TWCC_STATUS_SYMBOL_NOTRECEIVED)

TWCC_ISRECEIVED

#define TWCC_ISRECEIVED

(

statusSymbol

)

((statusSymbol) == TWCC_STATUS_SYMBOL_SMALLDELTA || (statusSymbol) == TWCC_STATUS_SYMBOL_LARGEDELTA)

TWCC_PACKET_LOST_TIME

#define TWCC_PACKET_LOST_TIME   ((UINT64) (-1LL))

TWCC_PACKET_STATUS_COUNT

#define TWCC_PACKET_STATUS_COUNT

(

payload

)

(getUnalignedInt16BigEndian((payload) + 10))

TWCC_PACKET_UNITIALIZED_TIME

#define TWCC_PACKET_UNITIALIZED_TIME   0

TWCC_RUNLEN_GET

#define TWCC_RUNLEN_GET

(

packetChunk

)

((packetChunk) & 0x1fffu)

TWCC_RUNLEN_ISRECEIVED

#define TWCC_RUNLEN_ISRECEIVED

(

packetChunk

)

TWCC_ISRECEIVED(TWCC_RUNLEN_STATUS_SYMBOL(packetChunk))

TWCC_RUNLEN_STATUS_SYMBOL

#define TWCC_RUNLEN_STATUS_SYMBOL

(

packetChunk

)

(((packetChunk) >> 13u) & 3u)

TWCC_STATUSVECTOR_COUNT

#define TWCC_STATUSVECTOR_COUNT

(

packetChunk

)

(TWCC_STATUSVECTOR_IS_2BIT(packetChunk) ? 7 : 14)

TWCC_STATUSVECTOR_IS_2BIT

#define TWCC_STATUSVECTOR_IS_2BIT

(

packetChunk

)

(((packetChunk) >> 14u) & 1u)

TWCC_STATUSVECTOR_SMASK

#define TWCC_STATUSVECTOR_SMASK

(

packetChunk

)

(TWCC_STATUSVECTOR_IS_2BIT(packetChunk) ? 2u : 1u)

TWCC_STATUSVECTOR_SSIZE

#define TWCC_STATUSVECTOR_SSIZE

(

packetChunk

)

(TWCC_STATUSVECTOR_IS_2BIT(packetChunk) ? 2u : 1u)

TWCC_STATUSVECTOR_STATUS

#define TWCC_STATUSVECTOR_STATUS	(		packetChunk,
			i
	)		(((packetChunk) >> (14u - (i) * TWCC_STATUSVECTOR_SSIZE(packetChunk))) & TWCC_STATUSVECTOR_SMASK(packetChunk))

TWCC_TICKS_PER_SECOND

#define TWCC_TICKS_PER_SECOND   (1000000LL / 250)

Enumeration Type Documentation

TWCC_STATUS_SYMBOL

enum TWCC_STATUS_SYMBOL

Enumerator
TWCC_STATUS_SYMBOL_NOTRECEIVED
TWCC_STATUS_SYMBOL_SMALLDELTA
TWCC_STATUS_SYMBOL_LARGEDELTA

Function Documentation

onRtcpPacket()

STATUS onRtcpPacket	(	PKvsPeerConnection	pKvsPeerConnection,
		PBYTE	pBuff,
		UINT32	buffLen
	)

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onRtcpPLIPacket()

STATUS onRtcpPLIPacket	(	PRtcpPacket	pRtcpPacket,
		PKvsPeerConnection	pKvsPeerConnection
	)

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onRtcpRembPacket()

STATUS onRtcpRembPacket	(	PRtcpPacket	pRtcpPacket,
		PKvsPeerConnection	pKvsPeerConnection
	)

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onRtcpSLIPacket()

STATUS onRtcpSLIPacket	(	PRtcpPacket	pRtcpPacket,
		PKvsPeerConnection	pKvsPeerConnection
	)

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onRtcpTwccPacket()

STATUS onRtcpTwccPacket	(	PRtcpPacket	pRtcpPacket,
		PKvsPeerConnection	pKvsPeerConnection
	)

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parseRtcpTwccPacket()

STATUS parseRtcpTwccPacket	(	PRtcpPacket	pRtcpPacket,
		PTwccManager	pTwccManager
	)

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