?PCCCompositeInfoBox( );
?SpatialRelationship2DSourceBox( );
?SubPictureRegionBox( );
?}
?aligned(8) class PCCCompositeInfoBox( ) extends FullBox(‘pcgi’, 0, 0)
{
?unsigned int(4) data_type;
?unsigned int(32) sub_data_id;
?unsigned int(3) layer_id;
?bit(1) reserved = 0;
?}
data_type indicates the type of PCC data in the track as follows.
V-PCC Track Types
Value
V-PCC Track Type
0
reserved for ISO use
1
V-PCC track (carrying V-PCC patch sequence data)
2
geometry video track
3
attribute video track
4
occupancy video track
5?15 reserved for ISO use