How to start Flash Media Encoder 3.2 from Flex application with run time parameters?

Hello ,

I'm developing the application to stream High Quality video.While streming by default camera/microphone settings the qulaity of streaming is not upto my expected level.I want to stream through Flash Media Encoder.My aim is the user login to the application.Video/audio qulaity details are retrived from shared object stored in the client machine.The login user name only gathered at run time & it will be the streaming profile name to Encoder.Once the the Encoder started the outgoing video will be come into screen to client.Please guide me How to start Flash Media Encoder 3.2 from Flex application with run time parameters(User name as  streaming name) without manually start the FME?

Thanks in advance.

Regards

Sasharyuva