net.sf.fmj.media.rtp
Class RTCPHeader

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

public class RTCPHeader
extends java.lang.Object

Represents and parses an RTCP header

Version:

1-1-alpha

Author:

Andrew G D Rowley

Field Summary

static int	SDES_CNAME An SDES CNAME header
static int	SDES_EMAIL An SDES EMAIL header
static int	SDES_LOC An SDES LOC header
static int	SDES_NAME An SDES NAME header
static int	SDES_NOTE An SDES NOTE header
static int	SDES_PHONE An SDES PHONE header
static int	SDES_SKIP The number of bytes to skip for a SDES header
static int	SDES_TOOL An SDES TOOL header
static int	SIZE The size of the header in bytes
static int	VERSION The current RTP version

Constructor Summary

RTCPHeader(byte[] data, int offset, int length)
Creates a new RTCPHeader

RTCPHeader(java.net.DatagramPacket packet)
Creates a new RTCPHeader

Method Summary

int	getFlags()
int	getLength()
short	getPacketType()
short	getPadding()
short	getReceptionCount()
long	getSsrc()
short	getVersion()
void	print() Displays the header

Methods inherited from class java.lang.Object

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

Field Detail

VERSION

public static final int VERSION

The current RTP version

See Also:

Constant Field Values

SDES_SKIP

public static final int SDES_SKIP

The number of bytes to skip for a SDES header

See Also:

Constant Field Values

SDES_CNAME

public static final int SDES_CNAME

An SDES CNAME header

See Also:

Constant Field Values

SDES_NAME

public static final int SDES_NAME

An SDES NAME header

See Also:

Constant Field Values

SDES_EMAIL

public static final int SDES_EMAIL

An SDES EMAIL header

See Also:

Constant Field Values

SDES_PHONE

public static final int SDES_PHONE

An SDES PHONE header

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Constant Field Values

SDES_LOC

public static final int SDES_LOC

An SDES LOC header

See Also:

Constant Field Values

SDES_TOOL

public static final int SDES_TOOL

An SDES TOOL header

See Also:

Constant Field Values

SDES_NOTE

public static final int SDES_NOTE

An SDES NOTE header

See Also:

Constant Field Values

SIZE

public static final int SIZE

The size of the header in bytes

See Also:

Constant Field Values

Constructor Detail

RTCPHeader

public RTCPHeader(java.net.DatagramPacket packet)
           throws java.io.IOException

Creates a new RTCPHeader

Parameters:

packet - The packet from which to parse the header

Throws:

java.io.IOException

RTCPHeader

public RTCPHeader(byte[] data,
                  int offset,
                  int length)
           throws java.io.IOException

Creates a new RTCPHeader

Parameters:

data - The data to read the header from

offset - The offset in the data to start

length - The length of the data to read

Throws:

java.io.IOException

Method Detail

getFlags

public int getFlags()

Returns:

The header flags

getVersion

public short getVersion()

Returns:

The RTP version implemented

getPadding

public short getPadding()

Returns:

The amount of padding added to the frame

getReceptionCount

public short getReceptionCount()

Returns:

The number of reception blocks in the packet

getPacketType

public short getPacketType()

Returns:

The type of the RTCP packet (SR or RR)

getLength

public int getLength()

Returns:

The length of the RTCP packet

getSsrc

public long getSsrc()

Returns:

The ssrc being described

print

public void print()

Displays the header