Real-world support for full range and greater color depths

Originally Posted by benwaggoner

So how does it work then? The extended primaries get truncated or something? Or is it some kind of an enhancement layer? Multiple encodes?

I don't think anyone has analyzed a stream yet to know exactly. I assume it's some form of custom signaling or metadata that their players can read and is ignored by others. There's no way it can be multiple encodes when the other point of these discs are to increase the average bitrate.