xavier：
$gst-launch-1.0 v4l2src device = /dev/video0 ! nvvidconv ! omxh264enc insert-vui=true insert-sps-pps=1 ! video/x-h264, stream-format=byte-stream, alignment=au ! h264parse ! rtph264pay name=pay0 pt=96 ! udpsink host=192.168.1.100 port=5000 sync=false async=false
pc：
$gst-launch-1.0 udpsrc port=5000 ! application/x-rtp,encoding-name=H264,payload=96 ! rtph264depay ! queue ! avdec_h264 ! xvimagesink sync=false async=false -e
it works,thanks!