Author: Darth Autocrat

A message holding information about the mastering display color volume. This metadata can be used when tone mapping an HDR signal to a display with a different gamut or brightness characteristics than the mastering display. This message is capable of containing SMPTE 2086 metadata.

Globally allowed spherical meta data.

Specifies usage of cubemap projection.

Specifies the compass heading, pitch & roll for the origin of the projection. The origin for the "equirectangular" projection is the center of the image. The origin for the other projection types is defined as the location in the image that corresponds to the origin of an "equirectangular" projection.

YT app video information. (go/yt-create-vsi-data)

Token by token mapping between hypothesis text and reference text.

Video level info for online pipeline usage. For example: skip pattern as defined in https://schema.org/SeekToAction.

Aggregated rating score, used in training pipeline, etc.