Hi,
A simple way of starting RTSP server is to execute test-launch. We have an example in
However, it may not run as sending absolute time. The timestamping mechanism lies in gstreamer frameworks and suggest you go to
http://gstreamer-devel.966125.n4.nabble.com/
Gstreamer forum users should have more experience to share you suggestion and guidance. After you get a working pipeline with software encoder and decoder such as x264enc and avdec_h264, please replace them with nvv4l2h264enc and nvv4l2decoder to enable hardware acceleration.