Full RTP session. More...

#include <yatertp.h>

Inheritance diagram for RTPSession:

Public Types
enum	Direction { FullStop = 0 , RecvOnly = 1 , SendOnly = 2 , SendRecv = 3 }

Public Member Functions
	RTPSession (DebugEnabler dbg=0, const char traceId=0)

virtual	~RTPSession ()

virtual void	getStats (String &stats) const

virtual void	rtpData (const void *data, int len)

virtual void	rtcpData (const void *data, int len)

virtual bool	rtpRecvData (bool marker, unsigned int timestamp, const void *data, int len)

virtual bool	rtpRecvEvent (int event, char key, int duration, int volume, unsigned int timestamp)

virtual void	rtpNewPayload (int payload, unsigned int timestamp)

virtual void	rtpNewSSRC (u_int32_t newSsrc, bool marker)

virtual RTPSender *	createSender ()

virtual RTPReceiver *	createReceiver ()

virtual Cipher *	createCipher (const String &name, Cipher::Direction dir)

virtual bool	checkCipher (const String &name)

bool	rtpSend (bool marker, int payload, unsigned int timestamp, const void *data, int len)

bool	rtpSendData (bool marker, unsigned int timestamp, const void *data, int len)

bool	rtpSendEvent (int event, int duration, int volume=0, unsigned int timestamp=0)

bool	rtpSendKey (char key, int duration, int volume=0, unsigned int timestamp=0)

u_int32_t	ioPacketsLost () const

int	padding () const

bool	padding (int chunk)

void	setDejitter (unsigned int mindelay=20, unsigned int maxdelay=50)

virtual void	transport (RTPTransport *trans)

RTPSender *	sender () const

void	sender (RTPSender *send)

RTPReceiver *	receiver () const

void	receiver (RTPReceiver *recv)

Direction	direction () const

bool	direction (Direction dir)

bool	addDirection (Direction dir)

bool	delDirection (Direction dir)

bool	dataPayload (int type)

bool	eventPayload (int type)

bool	silencePayload (int type)

bool	localAddr (SocketAddr &addr, bool rtcp=true)

RTPSecure *	security () const

void	security (RTPSecure *secure)

void	setReports (int interval)

virtual void	getStats (NamedList &stats) const

virtual void	incWrongSrc ()

void	setWarnSeq (bool on)

void	initDebugData (const NamedList &params)

Public Member Functions inherited from UDPSession
virtual	~UDPSession ()

virtual RTPTransport *	createTransport ()

bool	initTransport ()

bool	initGroup (int msec=0, Thread::Priority prio=Thread::Normal, const String &affinity=String::empty())

bool	remoteAddr (SocketAddr &addr, bool sniff=false)

bool	setBuffer (int bufLen=4096)

bool	setTOS (int tos)

Socket *	rtpSock ()

bool	drillHole ()

void	setTimeout (int interval)

RTPTransport *	transport () const

virtual void	transport (RTPTransport *trans)

Public Member Functions inherited from RTPProcessor
	RTPProcessor (DebugEnabler dbg=0, const char traceId=0)

virtual	~RTPProcessor ()

RTPGroup *	group () const

virtual void	rtpData (const void *data, int len)

virtual void	rtcpData (const void *data, int len)

virtual void	getStats (String &stats) const

virtual void	incWrongSrc ()

unsigned int	wrongSrc ()

Public Member Functions inherited from GenObject
	GenObject ()

virtual	~GenObject ()

virtual bool	alive () const

virtual void	destruct ()

virtual const String &	toString () const

virtual const String &	traceId () const

virtual void *	getObject (const String &name) const

NamedCounter *	getObjCounter () const

NamedCounter *	setObjCounter (NamedCounter *counter)

Public Member Functions inherited from RTPDebug
	RTPDebug (DebugEnabler dbg, const char traceId)

	RTPDebug (RTPSession *session)

DebugEnabler *	dbg () const

const String &	dbgTraceId () const

Public Member Functions inherited from Mutex
	Mutex (bool recursive=false, const char *name=0)

	Mutex (const Mutex &original)

	~Mutex ()

Mutex &	operator= (const Mutex &original)

virtual bool	lock (long maxwait=-1)

virtual bool	unlock ()

virtual bool	locked () const

const char *	owner () const

bool	recursive () const

Public Member Functions inherited from Lockable
virtual	~Lockable ()

virtual bool	lock (long maxwait=-1)=0

virtual bool	unlock ()=0

virtual bool	locked () const =0

virtual bool	check (long maxwait=-1)

virtual bool	unlockAll ()

Protected Member Functions
virtual void	timerTick (const Time &when)

void	sendRtcpReport (const Time &when)

void	sendRtcpBye ()

Protected Member Functions inherited from UDPSession
	UDPSession (DebugEnabler dbg=0, const char traceId=0)

virtual void	timeout (bool initial)

Protected Member Functions inherited from RTPProcessor
void	group (RTPGroup *newgrp)

virtual void	timerTick (const Time &when)=0

Protected Member Functions inherited from RTPDebug
void	setDebug (DebugEnabler dbg, const char traceId)

Additional Inherited Members
Static Public Member Functions inherited from GenObject
static void *	getObject (const String &name, const GenObject *obj)

static bool	getObjCounting ()

static void	setObjCounting (bool enable)

static NamedCounter *	getObjCounter (const String &name, bool create=true)

static ObjList &	getObjCounters ()

Static Public Member Functions inherited from Mutex
static int	count ()

static int	locks ()

static bool	efficientTimedLock ()

Static Public Member Functions inherited from Lockable
static void	wait (unsigned long maxwait)

static unsigned long	wait ()

static void	startUsingNow ()

static void	enableSafety (bool safe=true)

static bool	safety ()

Protected Attributes inherited from UDPSession
RTPTransport *	m_transport

u_int64_t	m_timeoutTime

u_int64_t	m_timeoutInterval

Protected Attributes inherited from RTPProcessor
unsigned int	m_wrongSrc

Protected Attributes inherited from RTPDebug
DebugEnabler *	m_dbg

String	m_traceId

Detailed Description

Full RTP session.

An unidirectional or bidirectional RTP session

Member Enumeration Documentation

◆ Direction

enum Direction

Direction of the session

Constructor & Destructor Documentation

◆ RTPSession()

RTPSession	(	DebugEnabler *	dbg = `0`,
		const char *	traceId = `0`
	)

Default constructor, creates a detached session

Parameters

dbg	Session DebugEnabler
traceId	Session trace ID

◆ ~RTPSession()

virtual ~RTPSession ( )

virtual

Destructor - shuts down the session and destroys the transport

Member Function Documentation

◆ addDirection()

bool addDirection ( Direction dir )

inline

Add a direction of this session. A transport must exist for this method to succeed.

Parameters

dir	New Direction to add for this session

Returns: True if direction was set, false if a failure occured

◆ checkCipher()

virtual bool checkCipher ( const String & name )

virtual

Check if a cipher is supported for SRTP

Parameters

name	Name of the cipher to check

Returns: True if the specified cipher is supported

◆ createCipher()

virtual Cipher * createCipher	(	const String &	name,
		Cipher::Direction	dir
	)

virtual

Create a cipher when required for SRTP

Parameters

name	Name of the cipher to create
dir	Direction the cipher must be able to handle

Returns: Pointer to newly allocated Cipher or NULL

◆ createReceiver()

virtual RTPReceiver * createReceiver ( )

virtual

Create a new RTP receiver for this session. Override this method to create objects derived from RTPReceiver.

Returns: Pointer to the new receiver or NULL on failure

◆ createSender()

virtual RTPSender * createSender ( )

virtual

Create a new RTP sender for this session. Override this method to create objects derived from RTPSender.

Returns: Pointer to the new sender or NULL on failure

◆ dataPayload()

bool dataPayload ( int type )

Set the data payload type for both receiver and sender.

Parameters

type	Payload type, -1 to disable

Returns: True if changed, false if invalid payload type

◆ delDirection()

bool delDirection ( Direction dir )

inline

Delete a direction of this session. A transport must exist for this method to succeed.

Parameters

dir	Direction to remove for this session

Returns: True if direction was set, false if a failure occured

◆ direction() [1/2]

Direction direction ( ) const

inline

Get the direction of this session

Returns: Session's direction as a Direction enum

◆ direction() [2/2]

bool direction ( Direction dir )

Set the direction of this session. A transport must exist for this method to succeed.

Parameters

dir	New Direction for this session

Returns: True if direction was set, false if a failure occured

◆ eventPayload()

bool eventPayload ( int type )

Set the event payload type for both receiver and sender.

Parameters

type	Payload type, -1 to disable

Returns: True if changed, false if invalid payload type

◆ getStats() [1/2]

virtual void getStats ( NamedList & stats ) const

virtual

Put the collected statistical data

Parameters

stats NamedList to populate with the data

◆ getStats() [2/2]

virtual void getStats ( String & stats ) const

virtual

Retrieve MGCP P: style comma separated session parameters

Parameters

stats String to append parameters to

Reimplemented from RTPProcessor.

◆ incWrongSrc()

virtual void incWrongSrc ( )

virtual

Increase the counter for number of RTP packets received from a wrong source

Reimplemented from RTPProcessor.

◆ initDebugData()

void initDebugData ( const NamedList & params )

inline

Initialize data debug

Parameters

params Parameters list

◆ ioPacketsLost()

u_int32_t ioPacketsLost ( ) const

inline

Retrieve the number of lost packets in current received

Returns: Number of packets in sequence gaps

◆ localAddr()

bool localAddr	(	SocketAddr &	addr,
		bool	rtcp = `true`
	)

inline

Set the local network address of the RTP transport of this session

Parameters

addr	New local RTP transport address
rtcp	Enable RTCP in this session

Returns: True if address set, false if a failure occured

◆ padding() [1/2]

int padding ( ) const

inline

Get the payload padding size

Returns: Chunk size to pad the payload to a multiple of

◆ padding() [2/2]

bool padding ( int chunk )

inline

Set the padding to a multiple of a data chunk

Parameters

chunk Size to pad the payload to a multiple of

Returns: True if the new chunk size is valid

◆ receiver() [1/2]

RTPReceiver * receiver ( ) const

inline

Get the RTP/RTCP receiver of this session

Returns: A pointer to the RTPReceiver of this session

◆ receiver() [2/2]

void receiver ( RTPReceiver * recv )

Set the RTP/RTCP receiver of this session

Parameters

recv	A pointer to the new RTPReceiver of this session or NULL

◆ rtcpData()

virtual void rtcpData	(	const void *	data,
		int	len
	)

virtual

This method is called to process a RTCP packet.

Parameters

data	Pointer to raw RTCP data
len	Length of the data packet

Reimplemented from RTPProcessor.

◆ rtpData()

virtual void rtpData	(	const void *	data,
		int	len
	)

virtual

This method is called to process a RTP packet.

Parameters

data	Pointer to raw RTP data
len	Length of the data packet

Reimplemented from RTPProcessor.

◆ rtpNewPayload()

virtual void rtpNewPayload	(	int	payload,
		unsigned int	timestamp
	)

virtual

Method called for unknown payload types just before attempting to call rtpRecvData(). This is a good opportunity to change the payload type and continue.

Parameters

payload	Payload number
timestamp	Sampling instant of the unexpected packet data

◆ rtpNewSSRC()

virtual void rtpNewSSRC	(	u_int32_t	newSsrc,
		bool	marker
	)

virtual

Method called when a packet with an unexpected SSRC is received just before processing further. This is a good opportunity to change the SSRC and continue

Parameters

newSsrc	SSRC received in packet
marker	True if marker bit is set in the RTP packet

◆ rtpRecvData()

virtual bool rtpRecvData	(	bool	marker,
		unsigned int	timestamp,
		const void *	data,
		int	len
	)

virtual

Process one RTP data packet

Parameters

marker	Set to true if the marker bit is set
timestamp	Sampling instant of the packet data
data	Pointer to data block to process
len	Length of the data block in bytes

Returns: True if data was handled

◆ rtpRecvEvent()

virtual bool rtpRecvEvent	(	int	event,
		char	key,
		int	duration,
		int	volume,
		unsigned int	timestamp
	)

virtual

Process one RTP event

Parameters

event	Received event code
key	Received key (for events 0-16) or zero
duration	Duration of the event as number of samples
volume	Attenuation of the tone, zero for don't care
timestamp	Sampling instant of the initial packet data

Returns: True if data was handled

◆ rtpSend()

bool rtpSend	(	bool	marker,
		int	payload,
		unsigned int	timestamp,
		const void *	data,
		int	len
	)

inline

Send one RTP payload packet

Parameters

marker	Set to true if the marker bit must be set
payload	Payload number
timestamp	Sampling instant of the packet data
data	Pointer to data block to send
len	Length of the data block

Returns: True if data sending was attempted

◆ rtpSendData()

bool rtpSendData	(	bool	marker,
		unsigned int	timestamp,
		const void *	data,
		int	len
	)

inline

Send one RTP data packet

Parameters

marker	Set to true if the marker bit must be set
timestamp	Sampling instant of the packet data
data	Pointer to data block to send
len	Length of the data block

Returns: True if data sending was attempted

◆ rtpSendEvent()

bool rtpSendEvent	(	int	event,
		int	duration,
		int	volume = `0`,
		unsigned int	timestamp = `0`
	)

inline

Send one RTP event

Parameters

event	Event code to send
duration	Duration of the event as number of samples
volume	Attenuation of the tone, zero for don't care
timestamp	Sampling instant of the packet data, zero to use current

Returns: True if data sending was attempted

◆ rtpSendKey()

bool rtpSendKey	(	char	key,
		int	duration,
		int	volume = `0`,
		unsigned int	timestamp = `0`
	)

inline

Send one RTP key event

Parameters

key	Key to send
duration	Duration of the event as number of samples
volume	Attenuation of the tone, zero for don't care
timestamp	Sampling instant of the packet data, zero to use current

Returns: True if data sending was attempted

◆ security() [1/2]

RTPSecure * security ( ) const

inline

Get the stored security provider or of the sender

Returns: A pointer to the RTPSecure or NULL

◆ security() [2/2]

void security ( RTPSecure * secure )

Store a security provider for the sender

Parameters

secure Pointer to the new RTPSecure or NULL

◆ sender() [1/2]

RTPSender * sender ( ) const

inline

Get the RTP/RTCP sender of this session

Returns: A pointer to the RTPSender of this session

◆ sender() [2/2]

void sender ( RTPSender * send )

Set the RTP/RTCP sender of this session

Parameters

send	A pointer to the new RTPSender of this session or NULL

◆ sendRtcpBye()

void sendRtcpBye ( )

protected

Send a RTCP BYE when the sender is stopped or replaced

◆ sendRtcpReport()

void sendRtcpReport ( const Time & when )

protected

Send a RTCP report

Parameters

when	Time to use as base for timestamps

◆ setDejitter()

void setDejitter	(	unsigned int	mindelay = `20`,
		unsigned int	maxdelay = `50`
	)

inline

Allocate and set a new dejitter buffer for the receiver in the session

Parameters

mindelay	Minimum length of the dejitter buffer in microseconds
maxdelay	Maximum length of the dejitter buffer in microseconds

◆ setReports()

void setReports ( int interval )

Set the RTCP report interval

Parameters

interval Average interval between reports in msec, zero to disable

◆ setWarnSeq()

void setWarnSeq ( bool on )

inline

Set the packet with invalid sequence warn mode

Parameters

on	True to show a message at DebugWarn level, false to show at DebugInfo level

◆ silencePayload()

bool silencePayload ( int type )

Set the silence payload type for both receiver and sender.

Parameters

type	Payload type, -1 to disable

Returns: True if changed, false if invalid payload type

◆ timerTick()

virtual void timerTick ( const Time & when )

protectedvirtual

Method called periodically to push any asynchronous data or statistics

Parameters

when	Time to use as base in all computing

Implements RTPProcessor.

◆ transport()

virtual void transport ( RTPTransport * trans )

virtual

Set the RTP/RTCP transport of data handled by this session

Parameters

trans A pointer to the new RTPTransport for this session

Reimplemented from UDPSession.

The documentation for this class was generated from the following file:

yatertp.h

Public Types

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ Direction

Constructor & Destructor Documentation

◆ RTPSession()

◆ ~RTPSession()

Member Function Documentation

◆ addDirection()

◆ checkCipher()

◆ createCipher()

◆ createReceiver()

◆ createSender()

◆ dataPayload()

◆ delDirection()

◆ direction() [1/2]

◆ direction() [2/2]

◆ eventPayload()

◆ getStats() [1/2]

◆ getStats() [2/2]

◆ incWrongSrc()

◆ initDebugData()

◆ ioPacketsLost()

◆ localAddr()

◆ padding() [1/2]

◆ padding() [2/2]

◆ receiver() [1/2]

◆ receiver() [2/2]

◆ rtcpData()

◆ rtpData()

◆ rtpNewPayload()

◆ rtpNewSSRC()

◆ rtpRecvData()

◆ rtpRecvEvent()

◆ rtpSend()

◆ rtpSendData()

◆ rtpSendEvent()

◆ rtpSendKey()

◆ security() [1/2]

◆ security() [2/2]

◆ sender() [1/2]

◆ sender() [2/2]

◆ sendRtcpBye()

◆ sendRtcpReport()

◆ setDejitter()

◆ setReports()

◆ setWarnSeq()

◆ silencePayload()

◆ timerTick()

◆ transport()