Connect your device either via USB Tethering, Wifi-Hotspot or Ethernet-Hotspot to the GroundPi.
Gstreamer 32-Bit Windows Gstreamer 64-Bit Windows
Use the following commandline:
Set FORWARD_STREAM=raw
in openhd-settings-1.txt to send a raw h264 stream
Some people reported the necessity to add the gst-launch-1.0.exe application to their firewall exception list, see this video for more info: https://www.youtube.com/watch?v=eHCfyWhEAvI
GstreamerHUD:
Another Option is GStreamerHUD, see Github page here: https://github.com/MovLab2/GStreamerHUD
In case you get an error message that "api-ms-win-crt-runtime-l1-1-0.dll" is missing see here and here
See here for a video:
Install gstreamer using the package management system of your linux distribution
Use the following commandline: