V-PCC content specific information, such as mapping of the attribute types and layers to the related tracks, is listed in this box. This information provides a convenient way to have an initial understanding of the V-PCC content. Multiple versions of encoded V-PCC components are listed in this box for flexible configuration of V-PCC content supporting various different client capabilities. V-PCC defined profile, tier, and level information are carried in this box.
Signaling information (which may be referred to by various names such as signaling information and signaling box) according to embodiments may be included in each single track from the perspective of a V-PCC data container. Alternatively, the information may be included in multiple tracks according to embodiments.
data_type indicates the type of PCC data in a referenced track as expressed as follows.