Base classes for RTP queues.

Classes
class	AppDataUnit
	Interface (envelope) to data received over RTP packets. More...
class	RTPQueueBase
	A virtual base class for RTP queue hierarchies. More...
class	OutgoingDataQueueBase
class	IncomingDataQueueBase
class	AppDataUnit
	Interface (envelope) to data received over RTP packets. More...
class	RTPQueueBase
	A virtual base class for RTP queue hierarchies. More...
class	OutgoingDataQueueBase
class	IncomingDataQueueBase

---