Makes uridecodebin treat this source as a stream source, allowing timeshifting. https://bugzilla.gnome.org/show_bug.cgi?id=732335
rtmpsrc: This plugin requires librtmp from http://rtmpdump.mplayerhq.hu/ You have to build librtmp with -fPIC to be able to use it with the GStreamer plugin: make XCFLAGS="-fPIC"