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
	Author: Federico Montesino Pouzols <fedemp@altern.org> More...
class	IncomingDataQueueBase
	Author: Federico Montesino Pouzols <fedemp@altern.org> More...
class	AppDataUnit
	Interface (envelope) to data received over RTP packets. More...
class	RTPQueueBase
	A virtual base class for RTP queue hierarchies. More...
class	OutgoingDataQueueBase
	Author: Federico Montesino Pouzols <fedemp@altern.org> More...
class	IncomingDataQueueBase
	Author: Federico Montesino Pouzols <fedemp@altern.org> More...

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