Quicktime File Format (2012-08-14).pdf

Media Data Atom TypesNode Information Atom ContainerFigure 4-22 (page 276) shows the structure of the node information atom container.Figure 4-22Structure of the node information atom containerNode InformationNode headerName stringComment stringHot spot parentHot spotHot spot informationName stringComment stringLink hot spot informationHot spotHot spot informationName stringComment stringURL hot spot informationNode Header Atom StructureA node header atom is a leaf atom that describes the type and ID of a node, as well as other information aboutthe node. Its atom type is kQTVRNodeHeaderAtomType ('ndhd').The structure of a node header atom is defined by the QTVRNodeHeaderAtom data type:typedef struct VRNodeHeaderAtom {UInt16UInt16OSTypeQTAtomIDQTAtomIDQTAtomIDUInt32majorVersion;minorVersion;nodeType;nodeID;nameAtomID;commentAtomID;reserved1;2012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.276