RtcpPacket.h File Reference

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Classes
struct	RtcpPacketHeader
struct	RtcpPacket

Macros
#define	RTCP_PACKET_LEN_OFFSET   2
#define	RTCP_PACKET_TYPE_OFFSET   1
#define	RTCP_PACKET_RRC_BITMASK   0x1F
#define	RTCP_PACKET_HEADER_LEN   4
#define	RTCP_NACK_LIST_LEN   8
#define	RTCP_PACKET_VERSION_VAL   2
#define	RTCP_PACKET_LEN_WORD_SIZE   4
#define	RTCP_PACKET_REMB_MIN_SIZE   16
#define	RTCP_PACKET_REMB_IDENTIFIER_OFFSET   8
#define	RTCP_PACKET_REMB_MANTISSA_BITMASK   0x3FFFF
#define	RTCP_PACKET_SENDER_REPORT_MINLEN   24
#define	RTCP_PACKET_RECEIVER_REPORT_BLOCK_LEN   24
#define	RTCP_PACKET_RECEIVER_REPORT_MINLEN   4 + RTCP_PACKET_RECEIVER_REPORT_BLOCK_LEN
#define	RTCP_FIRST_REPORT_DELAY   (3 * HUNDREDS_OF_NANOS_IN_A_SECOND)
#define	NTP_OFFSET   2208988800ULL
#define	NTP_TIMESCALE   4294967296ULL
#define	DLSR_TIMESCALE   65536
#define	MID_NTP(ntp_time)   (UINT32)((currentTimeNTP >> 16U) & 0xffffffffULL)

Typedefs
typedef struct RtcpPacketHeader *	PRtcpPacketHeader
typedef struct RtcpPacket *	PRtcpPacket

Enumerations
enum	RTCP_PACKET_TYPE {   RTCP_PACKET_TYPE_FIR = 192 , RTCP_PACKET_TYPE_SENDER_REPORT = 200 , RTCP_PACKET_TYPE_RECEIVER_REPORT = 201 , RTCP_PACKET_TYPE_SOURCE_DESCRIPTION = 202 ,   RTCP_PACKET_TYPE_GENERIC_RTP_FEEDBACK = 205 , RTCP_PACKET_TYPE_PAYLOAD_SPECIFIC_FEEDBACK = 206 }
enum	RTCP_FEEDBACK_MESSAGE_TYPE { RTCP_FEEDBACK_MESSAGE_TYPE_NACK = 1 , RTCP_PSFB_PLI = 1 , RTCP_PSFB_SLI = 2 , RTCP_FEEDBACK_MESSAGE_TYPE_APPLICATION_LAYER_FEEDBACK = 15 }

Functions
STATUS	setRtcpPacketFromBytes (PBYTE, UINT32, PRtcpPacket)
STATUS	rtcpNackListGet (PBYTE, UINT32, PUINT32, PUINT32, PUINT16, PUINT32)
STATUS	rembValueGet (PBYTE, UINT32, PDOUBLE, PUINT32, PUINT8)
STATUS	isRembPacket (PBYTE, UINT32)
UINT64	convertTimestampToNTP (UINT64 time100ns)

Macro Definition Documentation

DLSR_TIMESCALE

#define DLSR_TIMESCALE   65536

MID_NTP

#define MID_NTP

(

ntp_time

)

(UINT32)((currentTimeNTP >> 16U) & 0xffffffffULL)

NTP_OFFSET

#define NTP_OFFSET   2208988800ULL

NTP_TIMESCALE

#define NTP_TIMESCALE   4294967296ULL

RTCP_FIRST_REPORT_DELAY

#define RTCP_FIRST_REPORT_DELAY   (3 * HUNDREDS_OF_NANOS_IN_A_SECOND)

RTCP_NACK_LIST_LEN

#define RTCP_NACK_LIST_LEN   8

RTCP_PACKET_HEADER_LEN

#define RTCP_PACKET_HEADER_LEN   4

RTCP_PACKET_LEN_OFFSET

#define RTCP_PACKET_LEN_OFFSET   2

RTCP_PACKET_LEN_WORD_SIZE

#define RTCP_PACKET_LEN_WORD_SIZE   4

RTCP_PACKET_RECEIVER_REPORT_BLOCK_LEN

#define RTCP_PACKET_RECEIVER_REPORT_BLOCK_LEN   24

RTCP_PACKET_RECEIVER_REPORT_MINLEN

#define RTCP_PACKET_RECEIVER_REPORT_MINLEN   4 + RTCP_PACKET_RECEIVER_REPORT_BLOCK_LEN

RTCP_PACKET_REMB_IDENTIFIER_OFFSET

#define RTCP_PACKET_REMB_IDENTIFIER_OFFSET   8

RTCP_PACKET_REMB_MANTISSA_BITMASK

#define RTCP_PACKET_REMB_MANTISSA_BITMASK   0x3FFFF

RTCP_PACKET_REMB_MIN_SIZE

#define RTCP_PACKET_REMB_MIN_SIZE   16

RTCP_PACKET_RRC_BITMASK

#define RTCP_PACKET_RRC_BITMASK   0x1F

RTCP_PACKET_SENDER_REPORT_MINLEN

#define RTCP_PACKET_SENDER_REPORT_MINLEN   24

RTCP_PACKET_TYPE_OFFSET

#define RTCP_PACKET_TYPE_OFFSET   1

RTCP_PACKET_VERSION_VAL

#define RTCP_PACKET_VERSION_VAL   2

Typedef Documentation

PRtcpPacket

typedef struct RtcpPacket * PRtcpPacket

PRtcpPacketHeader

typedef struct RtcpPacketHeader * PRtcpPacketHeader

Enumeration Type Documentation

RTCP_FEEDBACK_MESSAGE_TYPE

enum RTCP_FEEDBACK_MESSAGE_TYPE

Enumerator
RTCP_FEEDBACK_MESSAGE_TYPE_NACK
RTCP_PSFB_PLI
RTCP_PSFB_SLI
RTCP_FEEDBACK_MESSAGE_TYPE_APPLICATION_LAYER_FEEDBACK

RTCP_PACKET_TYPE

enum RTCP_PACKET_TYPE

Enumerator
RTCP_PACKET_TYPE_FIR
RTCP_PACKET_TYPE_SENDER_REPORT
RTCP_PACKET_TYPE_RECEIVER_REPORT
RTCP_PACKET_TYPE_SOURCE_DESCRIPTION
RTCP_PACKET_TYPE_GENERIC_RTP_FEEDBACK
RTCP_PACKET_TYPE_PAYLOAD_SPECIFIC_FEEDBACK

Function Documentation

convertTimestampToNTP()

UINT64 convertTimestampToNTP

(

UINT64

time100ns

)

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isRembPacket()

STATUS isRembPacket	(	PBYTE	pPayload,
		UINT32	payloadLen
	)

rembValueGet()

STATUS rembValueGet	(	PBYTE	pPayload,
		UINT32	payloadLen,
		PDOUBLE	pMaximumBitRate,
		PUINT32	pSsrcList,
		PUINT8	pSsrcListLen
	)

Get values from RTCP Payload

Parameters: pPayload - REMB Payload payloadLen - Total length of payload pMaximumBitRate - REMB Value pSsrcList - buffer to write list of SSRCes into. pSsrcListLen - destination PUINT32 to store the count of SSRCes from the incoming REMB.

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rtcpNackListGet()

STATUS rtcpNackListGet	(	PBYTE	pPayload,
		UINT32	payloadLen,
		PUINT32	pSenderSsrc,
		PUINT32	pReceiverSsrc,
		PUINT16	pSequenceNumberList,
		PUINT32	pSequenceNumberListLen
	)

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setRtcpPacketFromBytes()

STATUS setRtcpPacketFromBytes	(	PBYTE	pRawPacket,
		UINT32	pRawPacketsLen,
		PRtcpPacket	pRtcpPacket
	)

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