Instructions:
1. Place your VR 107° .mp4 video file in the same directory as this HTML file
2. Enter the filename above (default: video.mp4)
3. Click "Load Video" to initialize
4. Click "Enter VR" to start the immersive experience
5. Use your VR headset controls to look around
Note: This player is configured for 107° FOV (both horizontal and vertical). WebXR requires HTTPS or localhost.