org.ow2.clif.probe.rtp

Class AppPacket

java.lang.Object

org.ow2.clif.probe.rtp.RTCPPacket

org.ow2.clif.probe.rtp.AppPacket

public class AppPacket
extends RTCPPacket

Create a RTCP APP packet. 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |V=2|P| subtype | PT=APP=204 | length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | SSRC/CSRC | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | name (ASCII) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | application-dependent data ... +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Cf. RFC 3550 for details about construction of APP packet.

Author:

Rémi Druilhe

Constructor Summary

Constructors

Constructor and Description
AppPacket(java.lang.Integer subtype, java.lang.Long ssrc, java.lang.String name, java.lang.String data) Constructor

Method Summary

Modifier and Type	Method and Description
byte[]	createPacket() Method to create a APP packet.
java.lang.Long	decodeName(byte[] data, java.lang.Integer offset) Decode Name from a APP packet.
java.lang.Long	decodeSsrc(byte[] data, java.lang.Integer offset) Decode SSRC from a APP packet.
java.lang.Integer	getPacketType() Returns the packet type.

Methods inherited from class org.ow2.clif.probe.rtp.RTCPPacket

createRtcpPacket, decodeCount, decodeLength, decodePacketType, decodePadding, decodeTwoComplement, decodeTwoComplement, decodeVersion, getRtcpPackets, packetTypeAvailable

Methods inherited from class java.lang.Object

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

Constructor Detail

AppPacket

public AppPacket(java.lang.Integer subtype,
                 java.lang.Long ssrc,
                 java.lang.String name,
                 java.lang.String data)

Constructor

Parameters:

subtype - : the subtype of the packet.

ssrc - : the SSRC of the packet.

name - : the name of the packet.

data - : the data to transmit in the packet (must be less than 500 bytes).

Method Detail

createPacket

public byte[] createPacket()

Method to create a APP packet.

Specified by:

createPacket in class RTCPPacket

Returns:

the APP packet in bytes.

getPacketType

public java.lang.Integer getPacketType()

Returns the packet type. Here it is 204.

Specified by:

getPacketType in class RTCPPacket

Returns:

the packet type.

decodeSsrc

public java.lang.Long decodeSsrc(byte[] data,
                                 java.lang.Integer offset)

Decode SSRC from a APP packet.

Parameters:

data - : the data to decode.

offset - : the beginning of the report.

Returns:

SSRC of the packet.

decodeName

public java.lang.Long decodeName(byte[] data,
                                 java.lang.Integer offset)

Decode Name from a APP packet.

Parameters:

data - : the data to decode.

offset - : the beginning of the report.

Returns:

name of the packet.