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	onRtcpPLIPacket (PRtcpPacket, PKvsPeerConnection)
STATUS	parseRtcpTwccPacket (PRtcpPacket, PTwccManager)
STATUS	onRtcpTwccPacket (PRtcpPacket, PKvsPeerConnection)
STATUS	updateTwccHashTable (PTwccManager, PINT64, PUINT64, PUINT64, PUINT64, PUINT64)

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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onRtcpTwccPacket()

STATUS onRtcpTwccPacket	(	PRtcpPacket	pRtcpPacket,
		PKvsPeerConnection	pKvsPeerConnection
	)

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parseRtcpTwccPacket()

STATUS parseRtcpTwccPacket	(	PRtcpPacket	pRtcpPacket,
		PTwccManager	pTwccManager
	)

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updateTwccHashTable()

STATUS updateTwccHashTable	(	PTwccManager	pTwccManager,
		PINT64	duration,
		PUINT64	receivedBytes,
		PUINT64	receivedPackets,
		PUINT64	sentBytes,
		PUINT64	sentPackets
	)

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