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Casting headset

Here are the two main ways to display the live headset video on another screen.

In the context of SIMPLE, we recommend the Offline casting solution. Since the project is supposed to run offline in schools, it is the primary method. This approach is not affected by unstable internet connections and generally provides better streaming quality performance.

Online casting​

(this steps order is important to respect and follow)

  1. Ensure the VR headset and the computer are on the same network
  2. On the computer, open the website : https://oculus.com/casting
  3. In the headset, enable the screen casting
  • In the sub menu, choose cast to Computer

Offline casting​

This method use the scrcpy project which can get video stream from ADB (Android Debug Bridge). Therefore, it's a little more complex to prepare, but allow offline and better quality stream.

Activate Wireless ADB​

The classical way is to plug a computer to the headset, allow USB connection inside the headset and run the command adb tcpip 5555.

ADB enable screenshot

Otherwise, a simplier way is to use a tool developed for this particular need and available as an APK to install inside the headset : https://github.com/thedroidgeek/oculus-wireless-adb

Start scrcpy stream​

scrcpy v2.X​

Deprecated method, please prefer scrcpy v3
Meta Quest 2​
scrcpy --tcpip=<IPv4.ADDRESS.OF.HEADSET> --crop <CROP:VALUE:TO:DISPLAY> --stay-awake --disable-screensaver --no-audio --video-bit-rate 1M --display-buffer=200 --video-codec=h265 --max-fps=20

Crop

-> round view

-> (cutted) Full screen 1632:1220💯320

Meta Quest 3​
scrcpy --tcpip=<IP.ADDRESS> --crop 2064:2208:2064:0 --stay-awake --disable-screensaver --no-audio --video-bit-rate 1M --display-buffer=200 --video-codec=h265 --max-fps=20
info

If you're running system on Linux, by default scrcpy is running on x11. To enable wayland support, you should set the envrionment variable SDL_VIDEODRIVER=wayland

scrcpy v3.X​

This new major release introduced a new feature to angled the point of view in the headset. Therefore it's possible to use this command to achieve a almost similar view as the online streaming :

scrcpy --tcpip=<IP.ADDRESS> --angle 20 --crop 1508:1708:300:200 --stay-awake --disable-screensaver --no-audio --video-bit-rate 1M --video-buffer=200 --video-codec=h265 --max-fps=20