H323_LIDCapability Class Reference

#include <lid.h>

Inheritance diagram for H323_LIDCapability:

H323AudioCapability H323RealTimeCapability H323Capability

List of all members.

Operations

virtual H323CodecCreateCodec (H323Codec::Direction direction) const
BOOL IsValid () const
static void AddAllCapabilities (const OpalLineInterfaceDevice &device, H323Capabilities &capabilities, PINDEX descriptorNum, PINDEX simultaneous)

Public Member Functions

Construction
 H323_LIDCapability (const OpalMediaFormat &mediaFormat)
Overrides from class PObject
Comparison Compare (const PObject &obj) const
virtual PObject * Clone () const
virtual PString GetFormatName () const
Identification functions
virtual unsigned GetSubType () const
Protocol manipulation
virtual BOOL OnSendingPDU (H245_AudioCapability &pdu, unsigned packetSize) const
virtual BOOL OnReceivedPDU (const H245_AudioCapability &pdu, unsigned &packetSize)

Protected Attributes

OpalMediaFormat mediaFormat
PINDEX codecTableIndex


Detailed Description

This class describes the LID based codec capability.

Constructor & Destructor Documentation

H323_LIDCapability::H323_LIDCapability ( const OpalMediaFormat mediaFormat  ) 

Create a new capability.

Parameters:
mediaFormat  RTP codec type for capability


Member Function Documentation

Comparison H323_LIDCapability::Compare ( const PObject &  obj  )  const

Compare the object with another of the same class.

Reimplemented from H323Capability.

virtual PObject* H323_LIDCapability::Clone (  )  const [virtual]

Create a copy of the object.

virtual PString H323_LIDCapability::GetFormatName (  )  const [virtual]

Get the name of the media data format this class represents.

Implements H323Capability.

virtual unsigned H323_LIDCapability::GetSubType (  )  const [virtual]

Get the sub-type of the capability. This is a code dependent on the main type of the capability.

This returns H245_AudioCapability::e_nonStandard.

Implements H323Capability.

virtual H323Codec* H323_LIDCapability::CreateCodec ( H323Codec::Direction  direction  )  const [virtual]

Create the codec instance, allocating resources as required.

Parameters:
direction  Direction in which this instance runs

Implements H323Capability.

BOOL H323_LIDCapability::IsValid (  )  const

Determine if the codec specified for the object is valid.

static void H323_LIDCapability::AddAllCapabilities ( const OpalLineInterfaceDevice device,
H323Capabilities capabilities,
PINDEX  descriptorNum,
PINDEX  simultaneous 
) [static]

Add all of the capabilities that a LID is capable of.

Parameters:
device  Device to get codecs from
capabilities  Table to add capabilities to
descriptorNum  The member of the capabilityDescriptor to add
simultaneous  The member of the SimultaneousCapabilitySet to add

virtual BOOL H323_LIDCapability::OnSendingPDU ( H245_AudioCapability pdu,
unsigned  packetSize 
) const [virtual]

This function is called whenever and outgoing TerminalCapabilitySet or OpenLogicalChannel PDU is being constructed for the control channel. It allows the capability to set the PDU fields from information in members specific to the class.

The default behaviour sets the data rate field in the PDU.

Parameters:
pdu  PDU to set information on
packetSize  Packet size to use in capability

Reimplemented from H323AudioCapability.

virtual BOOL H323_LIDCapability::OnReceivedPDU ( const H245_AudioCapability pdu,
unsigned &  packetSize 
) [virtual]

This function is called whenever and incoming TerminalCapabilitySet or OpenLogicalChannel PDU has been used to construct the control channel. It allows the capability to set from the PDU fields, information in members specific to the class.

The default behaviour gets the data rate field from the PDU.

Parameters:
pdu  PDU to get information from
packetSize  Packet size to use in capability

Reimplemented from H323AudioCapability.


Member Data Documentation


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

Generated on Sat Apr 5 07:27:45 2008 for OpenH323 by  doxygen 1.5.5