Add transport method options
patch by Thijs Vermeir thijs vermeir chez barco com
original thread:
[FFmpeg-devel] [PATCH] Add rtsp options support ( added option)



git-svn-id: file:///var/local/repositories/ffmpeg/trunk@9099 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b