Package org.ow2.clif.probe.rtp

Class RTCPPacket

  • Direct Known Subclasses:
    AppPacket, ByePacket, ReportPacket, SDESPacket
    public abstract class RTCPPacket
extends java.lang.Object
    Create a RTCP packet. Packet type available for CLIF : 200, 201, 202, 203, 204.
    Author:
    Rémi Druilhe

    • Constructor Summary

      Constructors 
      Constructor Description
      RTCPPacket()  

    • Method Summary

      All Methods Static Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      abstract byte[] createPacket()
      Create a RTCP packet.
      byte[] createRtcpPacket​(java.util.LinkedList<byte[]> reports)
      Create a RTCP packet with each reports created previously.
      static java.lang.Integer decodeCount​(byte[] data, java.lang.Integer offset)
      Returns the count header (RC, SC or Subtype).
      static java.lang.Integer decodeLength​(byte[] data, java.lang.Integer offset)
      Returns the length header.
      static java.lang.Integer decodePacketType​(byte[] data, java.lang.Integer offset)
      Returns the packet type header.
      static java.lang.Integer decodePadding​(byte[] data, java.lang.Integer offset)
      Returns the padding.
      static java.lang.Integer decodeTwoComplement​(java.lang.Integer value)
      Decode the value (RTP use two's complement)
      static java.lang.Long decodeTwoComplement​(java.lang.Long value)
      Decode the value (RTP use two's complement)
      static java.lang.Integer decodeVersion​(byte[] data, java.lang.Integer offset)
      Returns the version.
      abstract java.lang.Integer getPacketType()
      Returns the packet type of the RTCP packet.
      static java.util.LinkedList<RTCPInformation> getRtcpPackets​(byte[] data, java.lang.Long time)
      Method to separate RTCP report.
      static boolean packetTypeAvailable​(java.lang.Integer packetType)
      Tells if the packet type is supported by CLIF.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • RTCPPacket

        public RTCPPacket()

    • Method Detail

      • createPacket

        public abstract byte[] createPacket()
        Create a RTCP packet.
        Returns:
        the packet in bytes.

      • getPacketType

        public abstract java.lang.Integer getPacketType()
        Returns the packet type of the RTCP packet.
        Returns:
        the packet type.

      • createRtcpPacket

        public byte[] createRtcpPacket​(java.util.LinkedList<byte[]> reports)
        Create a RTCP packet with each reports created previously.
        Parameters:
        reports - : the report to add to the packet.
        Returns:
        the RTCP packet with each reports.

      • getRtcpPackets

        public static java.util.LinkedList<RTCPInformation> getRtcpPackets​(byte[] data,
                                                                   java.lang.Long time)
        Method to separate RTCP report.
        Parameters:
        data - : the data to decode.
        time - : the arrival time of the packet.
        Returns:
        a list of RTCP reports.

      • decodeVersion

        public static java.lang.Integer decodeVersion​(byte[] data,
                                              java.lang.Integer offset)
        Returns the version.
        Parameters:
        data - : the raw RTCP packet.
        offset - : the offset to start to decode.
        Returns:
        the version.

      • decodePadding

        public static java.lang.Integer decodePadding​(byte[] data,
                                              java.lang.Integer offset)
        Returns the padding.
        Parameters:
        data - : the raw RTCP packet.
        offset - : the offset to start to decode.
        Returns:
        the padding.

      • decodeCount

        public static java.lang.Integer decodeCount​(byte[] data,
                                            java.lang.Integer offset)
        Returns the count header (RC, SC or Subtype).
        Parameters:
        data - : the raw RTCP packet.
        offset - : the offset to start to decode.
        Returns:
        the count.

      • decodePacketType

        public static java.lang.Integer decodePacketType​(byte[] data,
                                                 java.lang.Integer offset)
        Returns the packet type header.
        Parameters:
        data - : the raw RTCP packet.
        offset - : the offset to start to decode.
        Returns:
        the packet type.

      • decodeLength

        public static java.lang.Integer decodeLength​(byte[] data,
                                             java.lang.Integer offset)
        Returns the length header.
        Parameters:
        data - : the raw RTCP packet.
        offset - : the offset to start to decode.
        Returns:
        the length.

      • decodeTwoComplement

        public static java.lang.Long decodeTwoComplement​(java.lang.Long value)
        Decode the value (RTP use two's complement)
        Parameters:
        value - : the value to convert (include between -128 and 127)
        Returns:
        a value include between 0 and 256

      • decodeTwoComplement

        public static java.lang.Integer decodeTwoComplement​(java.lang.Integer value)
        Decode the value (RTP use two's complement)
        Parameters:
        value - : the value to convert (include between -128 and 127)
        Returns:
        a value include between 0 and 256

      • packetTypeAvailable

        public static boolean packetTypeAvailable​(java.lang.Integer packetType)
        Tells if the packet type is supported by CLIF.
        Parameters:
        packetType - : the packet type to test.
        Returns:
        true if packet type is supported by CLIF.