Another notable requirement from the Authoring Specification is that “The container format for HEVC video MUST be fMP4,” or fragmented MP4 files, which means that MPEG-2 transport streams are out.

As of today, the great UHD codec debate involves two main participants: Google’s VP9 and HEVC/H.265. Which one succeeds—and where—involves a number of factors and will likely differ in various ...