org.objectweb.jonathan.libs.protocols.rtp
Class RTPHeader

java.lang.Object
  |
  +--org.objectweb.jonathan.libs.protocols.rtp.RTPHeader

public final class RTPHeader

extends Object

RTPHeader is a utility class representing a RTP header

Field Summary

static int	length the length in byte of a RTP header
boolean	marker the marker status
byte	payload the type of payload
short	sequence_no the sequence number of the RTP packet
int	source_id the source id of the RTP packet
int	timestamp the timestamp of the RTP packet

Constructor Summary

RTPHeader()
Build a new uninitialized RTP header

RTPHeader(UnMarshaller msg)
Build a new RTP header from an input message

Method Summary

void	decode(UnMarshaller msg) Initialize a RTP header from an input message
void	encode(byte[] array) Marshalls the RTP header into an output message
String	toString() Returns a string describing the contents of the RTP header

Methods inherited from class java.lang.Object

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

Field Detail

length

public static int length

the length in byte of a RTP header

payload

public byte payload

the type of payload

marker

public boolean marker

the marker status

sequence_no

public short sequence_no

the sequence number of the RTP packet

timestamp

public int timestamp

the timestamp of the RTP packet

source_id

public int source_id

the source id of the RTP packet

Constructor Detail

RTPHeader

public RTPHeader()

Build a new uninitialized RTP header

RTPHeader

public RTPHeader(UnMarshaller msg)
          throws JonathanException

Build a new RTP header from an input message

Parameters:

msg - the input message from which the RTP header will be extracted

Throws:

JonathanException - thrown if the unmarshalling fails

Method Detail

decode

public void decode(UnMarshaller msg)
            throws JonathanException

Initialize a RTP header from an input message

Parameters:

msg - the input message from which the RTP header will be extracted

Throws:

JonathanException - thrown if the unmarshalling fails

encode

public void encode(byte[] array)
            throws JonathanException

Marshalls the RTP header into an output message

Parameters:

msg - an array of bytes at least of size 12 where the RTP header should be encoded

Throws:

JonathanException - if an error occurs.

toString

public String toString()

Returns a string describing the contents of the RTP header

Overrides:

toString in class Object

Returns:

String a string describing the contents of the RTP header