hero eye
The default eye view in a stereoscopic pair of video files. An MV-HEVC file contains two layers: the base layer encodes the hero-eye view, and a second layer encodes only the portions of the other eye view that differ from the hero eye. This improves playback and encoding efficiency.
The hero eye is typically designated with a tag assigned by the cameras during video capture, but you can reassign the hero eye in Compressor prior to encoding.
When stereoscopic footage is used in a 2D project, the hero eye’s layer and metadata is used.