Ask questions to BD authoring and compression insider "2themax"

[2themax]

Originally Posted by scott1256ca

Except that isn't a spec limitation. If that is the reason they chose it, I don't know if I think it is a good or bad decision, since I'm not likely to use PiP for movies anyway (concerts, opera perhaps, but not movies). Even then, if possible, I'd like the option to choose to size the "main" screen as I see fit. That might be asking too much of a SoC though.

The HD-DVD spec allowed for the scaling of main video while PIP was present. The Blu-ray spec does not. It's one of the few things HD-DVD had over Blu-ray.