iOS WMA Streaming

I need a working xcode project that works with iOS 4.2 to stream mms, mp3 and rtsp radio streams from multiple URLs with PAUSE,PLAY, VOLUME CONTROL. No GUI required, just the audio engine. The project should be based on the open source frameworks LibMMS and ffmpeg. It should: Be easy to change the buffer size from code. Be battery efficient. Buffer fast. Support different bitrates. Support Multi-tasking (Streming sould be continued after pressing Home button).