Corrects writing DTMF payload (RFC4733) for RTP packets, when the RTP packet...

Corrects writing DTMF payload (RFC4733) for RTP packets, when the RTP packet length is greater then the fixed header (i.e. with CSRC identifiers).

src/org/jitsi/impl/neomedia/transform/dtmf/DtmfRawPacket.java

@@ -28,11 +28,6 @@ public class DtmfRawPacket
     private static final Logger logger
         = Logger.getLogger(DtmfRawPacket.class);
 
-    /**
-     * The fixed size of a DTMF packet.
-     */
-    public static final int DTMF_PACKET_SIZE = 16;
-
     /**
      * The event code to send.
      */
@@ -54,12 +49,13 @@ public class DtmfRawPacket
      * @param buffer the <tt>byte</tt> array that we should use to store packet
      * content
      * @param offset the index where we should start using the <tt>buffer</tt>.
+     * @param length Length of the packet's data.
      * @param payload the payload that has been negotiated for telephone events
      * by our signaling modules.
      */
-    public DtmfRawPacket(byte[] buffer, int offset, byte payload)
+    public DtmfRawPacket(byte[] buffer, int offset, int length, byte payload)
     {
-        super (buffer, offset, DTMF_PACKET_SIZE);
+        super (buffer, offset, length);
 
         setPayload(payload);
     }

src/org/jitsi/impl/neomedia/transform/dtmf/DtmfTransformEngine.java

@@ -236,8 +236,11 @@ public RawPacket transform(RawPacket pkt)
             throw new IllegalStateException("Can't send DTMF when no payload "
                             +"type has been negotiated for DTMF events.");
 
-        DtmfRawPacket dtmfPkt = new DtmfRawPacket(pkt.getBuffer(),
-                        pkt.getOffset(), currentDtmfPayload);
+        DtmfRawPacket dtmfPkt = new DtmfRawPacket(
+                pkt.getBuffer(),
+                pkt.getOffset(),
+                pkt.getLength(),
+                currentDtmfPayload);
 
         long audioPacketTimestamp = dtmfPkt.getTimestamp();
         boolean pktEnd = false;