That is interesting. Do I understand this correct that it has to be SBS left/right for this to work? I read conflicting reports on this.

Thing is my glasses need right/left and most of what’s on YT does simply not work when I just go fullscreen with SBS enabled so I have to drag it out of YT first and run it through Bino (or use ffplay with stereo3d filter) to “fix” this again.

This looks like if I want to make it convenient for VR I make it inconvenient for XR glasses users like XREAL and Viture users. I’m highly confused.

Oh and what about h265 or V1? The example only suggests h264:

ffmpeg -i input_file.mkv -vcodec libx264 -x264opts “frame-packing=3” output_file.mp4

Tried if h265 would happily eat frame-packing too but it’s an unknown option for it :/