Package javaforce.voip.codec

Class g711u

java.lang.Object
javaforce.voip.codec.g711u
All Implemented Interfaces:
RTPAudioCoder
public class g711u extends Object implements RTPAudioCoder
Encodes/decodes g711 packets (U-Law). (North America format)

  • Constructor Summary

    Constructors
    Constructor
    Description
    g711u(RTP rtp)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    close()
    Free any resources.
    short[]
    decode(byte[] encoded, int off, int length)
    Decodes RTP packet into audio samples.
    byte[]
    encode(short[] samples)
    Encodes audio samples into RTP packet.
    int
    getPacketSize()
    Returns encoded packet size (excluding RTP header) -1 = variable sized
    int
    getSampleRate()
    Returns sample rate.
    void
    setid(int id)
    Sets RTP payload ID.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • g711u

      public g711u(RTP rtp)

  • Method Details

    • setid

      public void setid(int id)
      Description copied from interface: RTPAudioCoder
      Sets RTP payload ID. This value is exchanged in SDP packets. For most audio codecs this value is fixed and ignored.
      Specified by:
      setid in interface RTPAudioCoder

    • getPacketSize

      public int getPacketSize()
      Description copied from interface: RTPAudioCoder
      Returns encoded packet size (excluding RTP header) -1 = variable sized
      Specified by:
      getPacketSize in interface RTPAudioCoder

    • encode

      public byte[] encode(short[] samples)
      Description copied from interface: RTPAudioCoder
      Encodes audio samples into RTP packet.
      Specified by:
      encode in interface RTPAudioCoder

    • decode

      public short[] decode(byte[] encoded, int off, int length)
      Description copied from interface: RTPAudioCoder
      Decodes RTP packet into audio samples.
      Specified by:
      decode in interface RTPAudioCoder

    • getSampleRate

      public int getSampleRate()
      Description copied from interface: RTPAudioCoder
      Returns sample rate.
      Specified by:
      getSampleRate in interface RTPAudioCoder

    • close

      public void close()
      Description copied from interface: RTPAudioCoder
      Free any resources.
      Specified by:
      close in interface RTPAudioCoder