Plex released a new beta of the Plex Media Server for SHIELD Android TV. This beta update adds basic DVR functionality on SHIELD. SHIELD users will be able to setup recordings of over-the-air TV channels from any web browser and record them to SHIELD’s internal storage for play back from anywhere in the world via Plex Media Server. Earlier this summer, SHIELD became the only media streaming device to support PLEX Media Server. With this new beta, SHIELD also becomes the only media streaming device to add native DVR support. The PLEX DVR experience is still being developed, but with the beta today, you can get an early preview of what’s to come. For more information please visit the Plex DVR FAQs below:
http://nvidia.custhelp.com/app/answers/detail/a_id/4227
Source: https://forums.geforce.com/default/topic/965349/shield-android-tv/plex-dvr-on-shield-android-tv/
How-to install (look under Downloads/Nvidia Shield for instructions):
https://forums.plex.tv/discussion/232362/dvr-beta-two-dvr-harder#latest
So if you have a Silicon Dust network tuner and the HDHomeRun VIEW app installed on Android TV, you can watch live TV in Google's Live Channels app. Now, through Plex Media Server, you can also get DVR functionality from that same tuner. The question is, how long will it be before Plex (or some hacker) ties the DVR engine in Plex Media Server to the APIs in Android TV 7.0/Live Channels in order to control DVR functionality from within the Live Channels app? At that point, the Shield TV would become a one-box streaming+DVR solution with a single app, Live Channels, for live+DVR TV.