VoicePDU - The PDU that carries voice payload. More...

Inheritance diagram for protocol.VoicePDU:

Collaboration diagram for protocol.VoicePDU:

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Public Member Functions
	VoicePDU (CallContext c, int subClass)
	The constructor for outbound Voice PDUs.
	VoicePDU (CallContext c, byte[] pduOctets)
	The constructor for inbound Voice PDUs.
Static Public Attributes
static final int	LIN16 = 0x01
	Voice PDU Subclass: 16-bit linear little-endian.
static final int	ALAW = 0x02
	Voice PDU Subclass: G.711 a-Law.
static final int	ULAW = 0x03
	Voice PDU Subclass: G.711 u-Law.
Protected Member Functions
void	log (String prefix)
	Logs this frame.
Package Functions
void	onArrivedPDU ()
	Handles arrived PDUs: writes those to audio buffer.

Detailed Description

VoicePDU - The PDU that carries voice payload.

Author:: Mikica B Kocic

Definition at line 9 of file VoicePDU.java.

Constructor & Destructor Documentation

protocol.VoicePDU.VoicePDU	(	CallContext	c,
		int	subClass
	)

The constructor for outbound Voice PDUs.

Definition at line 29 of file VoicePDU.java.

References protocol.ProtocolDataUnit.pduSubclass, protocol.ProtocolDataUnit.pduType, and protocol.ProtocolDataUnit.VOICE.

    {
        super( c );
        this.pduType = ProtocolDataUnit.VOICE;
        this.pduSubclass = subClass;
    }

protocol.VoicePDU.VoicePDU	(	CallContext	c,
		byte[]	pduOctets
	)

The constructor for inbound Voice PDUs.

Definition at line 39 of file VoicePDU.java.

    {
        super( c, pduOctets );
    }

Member Function Documentation

void protocol.VoicePDU.log ( String prefix ) [protected]

Logs this frame.

Reimplemented from protocol.ProtocolDataUnit.

Definition at line 47 of file VoicePDU.java.

    {
        super.log( prefix + " voice frame" );
    }

void protocol.VoicePDU.onArrivedPDU ( ) [package]

Handles arrived PDUs: writes those to audio buffer.

Reimplemented from protocol.ProtocolDataUnit.

Definition at line 56 of file VoicePDU.java.

References protocol.ProtocolDataUnit.call, protocol.ProtocolDataUnit.dump(), utils.OctetBuffer.get(), protocol.CallContext.getAudioSampleSize(), protocol.ProtocolDataUnit.getTimestamp(), protocol.CallContext.onReceivedVoicePDU(), and protocol.ProtocolDataUnit.payload.

    {
        dump( "Inbound Voice" );
        
        int audioSampleSize = this.call.getAudioSampleSize ();
        
        byte[] audioSample = new byte[ audioSampleSize ];
        payload.get( audioSample );

        long ts = this.getTimestamp ();
        
        if ( this.call != null ) {
            this.call.onReceivedVoicePDU( ts, audioSample );
        }
    }