Change video format on the fly in JMF

Hi!
I am using some suns examples for transfering video/audio rtp streams over network to another computer which recives the stream with jmstudio.
My problem is, that if i want to change the format (for example video-jpeg to video-H263) i have to close the processor, set everything like datasource...like on the begining and send the data. If i try to do this format change on the fly, and if i use my code, a new stream will be created, and a new jmstudio-window opens. But i want to change just the format without seting new stream and let it play in only one player-window.
Is there eny posibility to solve this problem, mayby some code examples on internet (i tryed google, this and other forum...)?
thanks for help.
Adam

Thanks. This should solve my player problem.
But how to change a format without closing the processor and without reconnect end configure everything from beginning?
Is there a possibility to change the encoding format on the fly (dynamically)?
Bye Adam

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