/**
* Handles an RTCP Sender Report packet.
*
* @param pkt the packet to handle.
* @param localTime the local time of reception of the packet.
*/
private void addSR(RawPacket pkt, long localTime) {
long ssrc = pkt.getRTCPSSRC() & 0xffffffffL;
long rtpTime = pkt.readUnsignedIntAsLong(16);
long sec = pkt.readUnsignedIntAsLong(8);
long fract = pkt.readUnsignedIntAsLong(12);
double ntpTime = sec + (((double) fract) / (1L << 32));
if (localTime != -1 && ntpTime != -1.0) mapLocalToNtp(ssrc, localTime, ntpTime);
if (rtpTime != -1 && ntpTime != -1.0) mapRtpToNtp(ssrc, rtpTime, ntpTime);
}
