<----------STREAM_HEADER(family=2)<----------PARAM(Video Descriptor, palette)SET_TRANSPORT------>(channelID=1, port=nnnn, ssrc=mmmm)PLAY_RANGE(a, b)-----------><----------STREAM_SYNC<----------DATAStream Control Session(2)
FETCH(test.mmf?id=2)------><------------STREAM_HEADER(family=1)<------------PARAM(Audio Descriptor)SET_TRANSPORT-------->
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