I came across this Kodi addon for PIP mode:
https://github.com/mltobi/kodi-pip-addon
Looks like it's designed for tvheadend as the backend, but it has a creative approach that we may be able to adapt for NextPVR.
https://github.com/mltobi/kodi-pip-addon
Looks like it's designed for tvheadend as the backend, but it has a creative approach that we may be able to adapt for NextPVR.