H323_RTPChannel Class Reference

#include <channels.h>

Inheritance diagram for H323_RTPChannel:

List of all members.

Public Member Functions
void	AddFilter (const PNotifier &filterFunction)
void	RemoveFilter (const PNotifier &filterFunction)
PTimeInterval	GetSilenceDuration () const
Construction
	H323_RTPChannel (H323Connection &connection, const H323Capability &capability, Directions direction, RTP_Session &rtp)
	~H323_RTPChannel ()
	Destroy the channel.
Overrides from class H323Channel
virtual void	CleanUpOnTermination ()
virtual unsigned	GetSessionID () const
virtual BOOL	Open ()
virtual void	Receive ()
virtual void	Transmit ()
Overrides from class H323_RealTimeChannel
virtual BOOL	OnSendingPDU (H245_H2250LogicalChannelParameters &param) const
virtual void	OnSendOpenAck (H245_H2250LogicalChannelAckParameters &param) const
virtual BOOL	OnReceivedPDU (const H245_H2250LogicalChannelParameters &param, unsigned &errorCode)
virtual BOOL	OnReceivedAckPDU (const H245_H2250LogicalChannelAckParameters &param)
Protected Member Functions
	PLIST (FilterList, PNotifier)
Protected Attributes
RTP_Session &	rtpSession
H323_RTP_Session &	rtpCallbacks
FilterList	filters
PMutex	filterMutex
PTimeInterval	silenceStartTick

---

Detailed Description

This class is for encpsulating the IETF Real Time Protocol interface.

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Constructor & Destructor Documentation

H323_RTPChannel::H323_RTPChannel	(	H323Connection &	connection,
		const H323Capability &	capability,
		Directions	direction,
		RTP_Session &	rtp
	)

Create a new channel.

Parameters:

connection	Connection to endpoint for channel
capability	Capability channel is using
direction	Direction of channel
rtp	RTP session for channel

H323_RTPChannel::~H323_RTPChannel

(

)

Destroy the channel.

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Member Function Documentation

void H323_RTPChannel::AddFilter

(

const PNotifier &

filterFunction

)

virtual void H323_RTPChannel::CleanUpOnTermination

(

)

[virtual]

This is called to clean up any threads on connection termination.

Reimplemented from H323Channel.

virtual unsigned H323_RTPChannel::GetSessionID

(

)

const [virtual]

Indicate the session number of the channel. Return session for channel. This returns the session ID of the RTP_Session member variable.

Reimplemented from H323Channel.

PTimeInterval H323_RTPChannel::GetSilenceDuration

(

)

const

virtual BOOL H323_RTPChannel::OnReceivedAckPDU

(

const H245_H2250LogicalChannelAckParameters &

param

)

[virtual]

This is called after a request to create a channel occurs from the local machine via the H245LogicalChannelDict::Open() function, and the request has been acknowledged by the remote endpoint.

The default behaviour sets the remote ports to send UDP packets to.

Parameters:

param

Acknowledgement PDU

Implements H323_RealTimeChannel.

virtual BOOL H323_RTPChannel::OnReceivedPDU	(	const H245_H2250LogicalChannelParameters &	param,
		unsigned &	errorCode
	)		[virtual]

This is called after a request to create a channel occurs from the local machine via the H245LogicalChannelDict::Open() function, and the request has been acknowledged by the remote endpoint.

The default behaviour sets the remote ports to send UDP packets to.

Parameters:

param	Acknowledgement PDU
errorCode	Error on failure

Implements H323_RealTimeChannel.

virtual BOOL H323_RTPChannel::OnSendingPDU

(

H245_H2250LogicalChannelParameters &

param

)

const [virtual]

Fill out the OpenLogicalChannel PDU for the particular channel type.

Parameters:

param

Open PDU to send.

Implements H323_RealTimeChannel.

virtual void H323_RTPChannel::OnSendOpenAck

(

H245_H2250LogicalChannelAckParameters &

param

)

const [virtual]

This is called when request to create a channel is received from a remote machine and is about to be acknowledged.

Parameters:

param

Acknowledgement PDU

Implements H323_RealTimeChannel.

virtual BOOL H323_RTPChannel::Open

(

)

[virtual]

Open the channel.

Reimplemented from H323Channel.

H323_RTPChannel::PLIST	(	FilterList	,
		PNotifier
	)		[protected]

virtual void H323_RTPChannel::Receive

(

)

[virtual]

Handle channel data reception.

This is called by the thread started by the Start() function and is typically a loop writing to the codec and reading from the transport (eg RTP_session).

Implements H323Channel.

void H323_RTPChannel::RemoveFilter

(

const PNotifier &

filterFunction

)

virtual void H323_RTPChannel::Transmit

(

)

[virtual]

Handle channel data transmission.

This is called by the thread started by the Start() function and is typically a loop reading from the codec and writing to the transport (eg an RTP_session).

Implements H323Channel.

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Member Data Documentation

PMutex H323_RTPChannel::filterMutex [protected]

FilterList H323_RTPChannel::filters [protected]

H323_RTP_Session& H323_RTPChannel::rtpCallbacks [protected]

RTP_Session& H323_RTPChannel::rtpSession [protected]

PTimeInterval H323_RTPChannel::silenceStartTick [protected]

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

• channels.h