stream itself, plus a name change to signify that there may be multiple
AVStreams per RDT set. See discussion in "[PATCH] RDT/Realmedia patches #2"
thread on ML.



git-svn-id: file:///var/local/repositories/ffmpeg/trunk@15962 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b