Is it difficult to support webrtc from your plugin?
WebRTC | WebRTC | 2.4.0-exp.11
Once the video is in the browser inside the headset, is it possible to use pre-built javascript libraries for the navigation?
Remember the Amelia drone project?
Successful Theta V stream from drone to VR headset 0.25 miles away - #27 by Jake_Kenin
The project used motionjpeg and the browser inside the VR headset.
I would recommend you write your own Theta V plugin that establishes a WebRTC connection with the base station. WebRTC is a P2P media streaming standard that was designed for real time communication, and uses H.264 (which the Snapdragon 625 has hardware encoding for) for video encoding. It is well documented and is your best bet for low latency video streaming at high resolution and framerate. It is sort of complex and will take some time, but it would be well worth it. Here are some examples of WebRTC.