重载OnRTCPCompoundPacket函数就行了啊，
RTCPPacket * rtcppack
pack-GotoFirstPacket()；
while((rtcppack=pack-get next packet())！=0)
{
if (rtcppack-IsKnownFormat())
{
开关(rtcppack-GetPacketType())
{
案例RTCPPacket:SR:
{
RTCPSRPacket * p=(RTCPSRPacket *)rtcppack；
uint 32 _ t sender src=p-getsender src()；/p寒冷的鸵鸟/p