OPAL  Version 3.18.8
OpalIAX2MediaStream Class Reference

#include <iax2medstrm.h>

Inheritance diagram for OpalIAX2MediaStream:
Collaboration diagram for OpalIAX2MediaStream:

Public Member Functions

Overrides of OpalMediaStream class
virtual PBoolean ReadPacket (RTP_DataFrame &packet)
 
virtual PBoolean WriteData (const BYTE *data, PINDEX length, PINDEX &written)
 
virtual PBoolean IsSynchronous () const
 
- Public Member Functions inherited from OpalMediaStream
virtual PString GetPatchThreadName () const
 
virtual bool InternalUpdateMediaFormat (const OpalMediaFormat &mediaFormat)
 
virtual bool InternalSetPaused (bool pause, bool fromUser, bool fromPatch)
 
virtual bool InternalExecuteCommand (const OpalMediaCommand &command)
 
void PrintOn (ostream &strm) const
 
virtual OpalMediaFormat GetMediaFormat () const
 
virtual bool SetMediaFormat (const OpalMediaFormat &mediaFormat)
 
bool UpdateMediaFormat (const OpalMediaFormat &mediaFormat, bool mergeOnly=false)
 
bool ExecuteCommand (const OpalMediaCommand &command) const
 
virtual PBoolean Open ()
 
virtual bool IsOpen () const
 
virtual bool IsEstablished () const
 
virtual PBoolean Start ()
 
virtual PBoolean Close ()
 
virtual void OnStartMediaPatch ()
 
virtual void OnStopMediaPatch (OpalMediaPatch &patch)
 
virtual bool SetMediaPassThrough (OpalMediaStream &otherStream, bool bypass)
 
virtual PBoolean WritePackets (RTP_DataFrameList &packets)
 
virtual PBoolean WritePacket (RTP_DataFrame &packet)
 
virtual PBoolean ReadData (BYTE *data, PINDEX size, PINDEX &length)
 
virtual bool PushPacket (RTP_DataFrame &packet)
 
virtual PBoolean SetDataSize (PINDEX dataSize, PINDEX frameTime)
 
PINDEX GetDataSize () const
 
virtual PBoolean RequiresPatchThread (OpalMediaStream *stream) const
 
virtual PBoolean RequiresPatchThread () const
 
virtual bool RequireMediaTransportThread (OpalMediaStream &stream) const
 
virtual bool EnableJitterBuffer (bool enab=true)
 
OpalConnectionGetConnection () const
 
bool IsSource () const
 
bool IsSink () const
 
unsigned GetSessionID () const
 
void SetSessionID (unsigned id)
 
PString GetID () const
 
unsigned GetTimestamp () const
 
void SetTimestamp (unsigned ts)
 
bool GetMarker () const
 
void SetMarker (bool m)
 
bool IsPaused () const
 
bool SetPaused (bool pause)
 
virtual PBoolean SetPatch (OpalMediaPatch *patch)
 
OpalMediaPatchPtr GetPatch () const
 
void AddFilter (const PNotifier &filter, const OpalMediaFormat &stage=OpalMediaFormat()) const
 
bool RemoveFilter (const PNotifier &filter, const OpalMediaFormat &stage=OpalMediaFormat()) const
 
virtual void GetStatistics (OpalMediaStatistics &statistics, bool fromPatch=false) const
 
 P_DECLARE_BITWISE_ENUM (Details, 6,(DetailMinimum, DetailEOL, DetailNAT, DetailSecured, DetailFEC, DetailAudio, DetailAddresses))
 
virtual void PrintDetail (ostream &strm, const char *prefix=NULL, Details details=Details::All()) const
 
 ~OpalMediaStream ()
 

Protected Member Functions

virtual void InternalClose ()
 
- Protected Member Functions inherited from OpalMediaStream
OpalMediaPatchPtr InternalSetPatchPart1 (OpalMediaPatch *newPatch)
 
void InternalSetPatchPart2 (const OpalMediaPatchPtr &oldPatch)
 
virtual bool InternalSetJitterBuffer (const OpalJitterBuffer::Init &init)
 
 OpalMediaStream (OpalConnection &conn, const OpalMediaFormat &mediaFormat, unsigned sessionID, bool isSource)
 

Protected Attributes

IAX2Connectionconnection
 
PBYTEArray pendingData
 
- Protected Attributes inherited from OpalMediaStream
OpalConnectionm_connection
 
unsigned m_sessionID
 
WORD m_sequenceNumber
 
RTP_SyncSourceId m_syncSourceId
 
PString m_identifier
 
OpalMediaFormat m_mediaFormat
 
atomic< bool > m_paused
 
bool m_isSource
 
atomic< bool > m_isOpen
 
PINDEX m_defaultDataSize
 
unsigned m_timestamp
 
bool m_marker
 
OpalMediaPatchPtr m_mediaPatch
 
RTP_DataFrame::PayloadTypes m_payloadType
 
unsigned m_frameTime
 
PINDEX m_frameSize
 

Additional Inherited Members

- Protected Types inherited from OpalMediaStream
typedef OpalMediaPatchPtr PatchPtr
 

Detailed Description

This class describes a media stream, which is an interface to the opal classes for generating encoded media data

Member Function Documentation

virtual void OpalIAX2MediaStream::InternalClose ( )
inlineprotectedvirtual

Close any internal components of the stream. This should be used in preference to overriding the Close() function as it is guaranteed to be called exactly once and avoids race conditions in the shut down sequence of a media stream.

Implements OpalMediaStream.

virtual PBoolean OpalIAX2MediaStream::IsSynchronous ( ) const
virtual

Indicate if the media stream is synchronous. false if this stream is from the network.

Returns
true if this stream is from a sound card.

Implements OpalMediaStream.

virtual PBoolean OpalIAX2MediaStream::ReadPacket ( RTP_DataFrame packet)
virtual

Goes to the IAX2Connection class, and removes a packet from the connection. The connection class turned the media packet into a RTP_DataFrame class, and jitter buffered it.

Returns
true on successful read of a packet, false on faulty read.
Parameters
packetData buffer to read to

Reimplemented from OpalMediaStream.

virtual PBoolean OpalIAX2MediaStream::WriteData ( const BYTE *  data,
PINDEX  length,
PINDEX &  written 
)
virtual

Write raw media data to the sink media stream. The default behaviour writes to the OpalLine object.

Parameters
dataData to write
lengthLength of data to write.
writtenLength of data actually written

Reimplemented from OpalMediaStream.

Field Documentation

IAX2Connection& OpalIAX2MediaStream::connection
protected

The connection is the source/sink of our data packets

PBYTEArray OpalIAX2MediaStream::pendingData
protected

There was unused data from an incoming ethernet frame. The unused data is stored here.


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