net.sf.fmj.media.rtp
Class RTPDataStream

java.lang.Object
  net.sf.fmj.media.rtp.RTPDataStream

All Implemented Interfaces:

Control, Controls, PushBufferStream, SourceStream, RTPControl

Direct Known Subclasses:

RTPAudioDataStream, RTPVideoDataStream

public abstract class RTPDataStream
extends java.lang.Object
implements PushBufferStream, RTPControl

A generic RTP Data Stream

Version:

1-1-alpha3

Author:

Andrew G D Rowley

Field Summary

protected double	clockRate
protected java.lang.Object[]	controls
protected long	firstSequence
protected Format	format
protected BufferTransferHandler	handler
protected long	jitter
protected long	lastSequence
protected RTPReceptionStats	receptionStats
protected long	ssrc
protected int	threshold
protected java.util.Timer	timer

Fields inherited from interface javax.media.protocol.SourceStream

LENGTH_UNKNOWN

Constructor Summary

RTPDataStream(long ssrc, Format format)
Creates a new RTPDataStream

Method Summary

void	addFormat(Format fmt, int payload)
protected abstract void	addPacket(RTPHeader header, byte[] data, int offset, int length)
protected void	calculateJitter(long rtpTimestamp) Performs jitter calculations
boolean	endOfStream()
ContentDescriptor	getContentDescriptor()
long	getContentLength()
java.lang.Object	getControl(java.lang.String controlType)
java.awt.Component	getControlComponent()
java.lang.Object[]	getControls()
long	getFirstSequence() Returns the first sequence number seen
Format	getFormat()
Format	getFormat(int payload)
Format[]	getFormatList()
GlobalReceptionStats	getGlobalStats()
long	getJitter() Returns the jitter calculation
long	getLastSequence() Returns the last sequence number seen
ReceptionStats	getReceptionStats()
abstract void	read(Buffer buffer)
void	setTransferHandler(BufferTransferHandler transferHandler)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

format

protected Format format

clockRate

protected double clockRate

handler

protected BufferTransferHandler handler

timer

protected final java.util.Timer timer

ssrc

protected long ssrc

threshold

protected int threshold

controls

protected java.lang.Object[] controls

receptionStats

protected RTPReceptionStats receptionStats

jitter

protected long jitter

firstSequence

protected long firstSequence

lastSequence

protected long lastSequence

Constructor Detail

RTPDataStream

public RTPDataStream(long ssrc,
                     Format format)

Creates a new RTPDataStream

Parameters:

format - The format of the stream

Method Detail

addPacket

protected abstract void addPacket(RTPHeader header,
                                  byte[] data,
                                  int offset,
                                  int length)

getFormat

public Format getFormat()

Specified by:

getFormat in interface PushBufferStream

Specified by:

getFormat in interface RTPControl

setTransferHandler

public void setTransferHandler(BufferTransferHandler transferHandler)

Specified by:

setTransferHandler in interface PushBufferStream

getContentDescriptor

public ContentDescriptor getContentDescriptor()

Specified by:

getContentDescriptor in interface SourceStream

getContentLength

public long getContentLength()

Specified by:

getContentLength in interface SourceStream

endOfStream

public boolean endOfStream()

Specified by:

endOfStream in interface SourceStream

getControls

public java.lang.Object[] getControls()

Specified by:

getControls in interface Controls

getControl

public java.lang.Object getControl(java.lang.String controlType)

Specified by:

getControl in interface Controls

read

public abstract void read(Buffer buffer)
                   throws java.io.IOException

Specified by:

read in interface PushBufferStream

Throws:

java.io.IOException

addFormat

public void addFormat(Format fmt,
                      int payload)

Specified by:

addFormat in interface RTPControl

getReceptionStats

public ReceptionStats getReceptionStats()

Specified by:

getReceptionStats in interface RTPControl

getGlobalStats

public GlobalReceptionStats getGlobalStats()

Specified by:

getGlobalStats in interface RTPControl

getFormatList

public Format[] getFormatList()

Specified by:

getFormatList in interface RTPControl

getFormat

public Format getFormat(int payload)

Specified by:

getFormat in interface RTPControl

getControlComponent

public java.awt.Component getControlComponent()

Specified by:

getControlComponent in interface Control

calculateJitter

protected void calculateJitter(long rtpTimestamp)

Performs jitter calculations

getJitter

public long getJitter()

Returns the jitter calculation

getLastSequence

public long getLastSequence()

Returns the last sequence number seen

getFirstSequence

public long getFirstSequence()

Returns the first sequence number seen