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H323NonStandardAudioCapability Class Reference

#include <h323caps.h>

Inheritance diagram for H323NonStandardAudioCapability:

H323AudioCapability H323NonStandardCapabilityInfo H323RealTimeCapability H323Capability H323_CiscoG7231aLIDCapability OpalDynaCodecNonStandardAudioCapability List of all members.

Public Member Functions

Construction
 H323NonStandardAudioCapability (unsigned maxPacketSize, unsigned desiredPacketSize, H323NonStandardCapabilityInfo::CompareFuncType compareFunc, const BYTE *dataBlock, PINDEX dataSize)
 H323NonStandardAudioCapability (unsigned maxPacketSize, unsigned desiredPacketSize, const BYTE *dataBlock, PINDEX dataSize, PINDEX comparisonOffset=0, PINDEX comparisonLength=P_MAX_INDEX)
 H323NonStandardAudioCapability (unsigned maxPacketSize, unsigned desiredPacketSize, H323EndPoint &, H323NonStandardCapabilityInfo::CompareFuncType compareFunc, const BYTE *dataBlock, PINDEX dataSize)
 H323NonStandardAudioCapability (unsigned maxPacketSize, unsigned desiredPacketSize, H323EndPoint &, const BYTE *dataBlock, PINDEX dataSize, PINDEX comparisonOffset=0, PINDEX comparisonLength=P_MAX_INDEX)
 H323NonStandardAudioCapability (unsigned maxPacketSize, unsigned desiredPacketSize, const PString &oid, const BYTE *dataBlock, PINDEX dataSize, PINDEX comparisonOffset=0, PINDEX comparisonLength=P_MAX_INDEX)
 H323NonStandardAudioCapability (unsigned maxPacketSize, unsigned desiredPacketSize, BYTE country, BYTE extension, WORD maufacturer, const BYTE *dataBlock, PINDEX dataSize, PINDEX comparisonOffset=0, PINDEX comparisonLength=P_MAX_INDEX)
Overrides from class PObject
Comparison Compare (const PObject &obj) const
Identification functions
virtual unsigned GetSubType () const
Protocol manipulation
virtual BOOL OnSendingPDU (H245_AudioCapability &pdu, unsigned packetSize) const
virtual BOOL OnSendingPDU (H245_AudioMode &pdu) const
virtual BOOL OnReceivedPDU (const H245_AudioCapability &pdu, unsigned &packetSize)
virtual BOOL IsNonStandardMatch (const H245_NonStandardParameter &param) const

Detailed Description

This class describes the interface to a non-standard audio codec used to transfer data via the logical channels opened and managed by the H323 control channel.

An application may create a descendent off this class and override functions as required for descibing the codec.


Constructor & Destructor Documentation

H323NonStandardAudioCapability::H323NonStandardAudioCapability unsigned  maxPacketSize,
unsigned  desiredPacketSize,
H323NonStandardCapabilityInfo::CompareFuncType  compareFunc,
const BYTE *  dataBlock,
PINDEX  dataSize
 

Create a new set of information about a non-standard codec.

Parameters:
desiredPacketSize  Maximum size of an audio packet in frames
compareFunc  Desired transmit size of an audio packet in frames
dataSize  Non-Standard data for codec type Size of dataBlock. If 0 and dataBlock != NULL use strlen(dataBlock)

H323NonStandardAudioCapability::H323NonStandardAudioCapability unsigned  maxPacketSize,
unsigned  desiredPacketSize,
const BYTE *  dataBlock,
PINDEX  dataSize,
PINDEX  comparisonOffset = 0,
PINDEX  comparisonLength = P_MAX_INDEX
 

Parameters:
desiredPacketSize  Maximum size of an audio packet in frames
dataBlock  Desired transmit size of an audio packet in frames
dataSize  Non-Standard data for codec type
comparisonOffset  Size of dataBlock. If 0 and dataBlock != NULL use strlen(dataBlock)
comparisonLength  Offset into dataBlock to compare Length of bytes to compare

H323NonStandardAudioCapability::H323NonStandardAudioCapability unsigned  maxPacketSize,
unsigned  desiredPacketSize,
H323EndPoint ,
H323NonStandardCapabilityInfo::CompareFuncType  compareFunc,
const BYTE *  dataBlock,
PINDEX  dataSize
 

provided for backwards compatibility

Parameters:
desiredPacketSize  Maximum size of an audio packet in frames
dataSize  Non-Standard data for codec type Size of dataBlock. If 0 and dataBlock != NULL use strlen(dataBlock)

H323NonStandardAudioCapability::H323NonStandardAudioCapability unsigned  maxPacketSize,
unsigned  desiredPacketSize,
H323EndPoint ,
const BYTE *  dataBlock,
PINDEX  dataSize,
PINDEX  comparisonOffset = 0,
PINDEX  comparisonLength = P_MAX_INDEX
 

Parameters:
desiredPacketSize  Maximum size of an audio packet in frames
dataSize  Non-Standard data for codec type
comparisonOffset  Size of dataBlock. If 0 and dataBlock != NULL use strlen(dataBlock)
comparisonLength  Offset into dataBlock to compare Length of bytes to compare

H323NonStandardAudioCapability::H323NonStandardAudioCapability unsigned  maxPacketSize,
unsigned  desiredPacketSize,
const PString &  oid,
const BYTE *  dataBlock,
PINDEX  dataSize,
PINDEX  comparisonOffset = 0,
PINDEX  comparisonLength = P_MAX_INDEX
 

Create a new set of information about a non-standard codec.

Parameters:
desiredPacketSize  Maximum size of an audio packet in frames
oid  Desired transmit size of an audio packet in frames
dataBlock  OID for indentification of codec
dataSize  Non-Standard data for codec type
comparisonOffset  Size of dataBlock. If 0 and dataBlock != NULL use strlen(dataBlock)
comparisonLength  Offset into dataBlock to compare Length of bytes to compare

H323NonStandardAudioCapability::H323NonStandardAudioCapability unsigned  maxPacketSize,
unsigned  desiredPacketSize,
BYTE  country,
BYTE  extension,
WORD  maufacturer,
const BYTE *  dataBlock,
PINDEX  dataSize,
PINDEX  comparisonOffset = 0,
PINDEX  comparisonLength = P_MAX_INDEX
 

Create a new set of information about a non-standard codec.

Parameters:
desiredPacketSize  Maximum size of an audio packet in frames
country  Desired transmit size of an audio packet in frames
extension  t35 information
maufacturer  t35 information
dataBlock  t35 information
dataSize  Non-Standard data for codec type
comparisonOffset  Size of dataBlock. If 0 and dataBlock != NULL use strlen(dataBlock)
comparisonLength  Offset into dataBlock to compare Length of bytes to compare


Member Function Documentation

Comparison H323NonStandardAudioCapability::Compare const PObject &  obj  )  const
 

Compare two capability instances. This compares the main and sub-types of the capability.

Reimplemented from H323Capability.

virtual unsigned H323NonStandardAudioCapability::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 BOOL H323NonStandardAudioCapability::IsNonStandardMatch const H245_NonStandardParameter param  )  const [virtual]
 

Compare the nonStandardData part of the capability, if applicable.

Parameters:
param  Non standard field in PDU received

Reimplemented from H323Capability.

virtual BOOL H323NonStandardAudioCapability::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 calls H323NonStandardCapabilityinfo::OnReceivedPDU() to handle the provided PDU.

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

Reimplemented from H323AudioCapability.

virtual BOOL H323NonStandardAudioCapability::OnSendingPDU H245_AudioMode pdu  )  const [virtual]
 

This function is called whenever and outgoing RequestMode 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 calls H323NonStandardCapabilityinfo::OnSendingPDU() to handle the PDU.

Parameters:
pdu  PDU to set information on

Reimplemented from H323AudioCapability.

virtual BOOL H323NonStandardAudioCapability::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 calls H323NonStandardCapabilityinfo::OnSendingPDU() to handle the PDU.

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

Reimplemented from H323AudioCapability.


The documentation for this class was generated from the following file:
Generated on Sat Mar 5 14:59:51 2005 for OpenH323 by  doxygen 1.4.1