This schema defines the Garmin video extension to be used with the GPX 1.1 schema. The root element defined by this schema is intended to be used as a child element of the "extensions" element in the trk element in the GPX 1.1 schema. The GPX 1.1 schema is available at http://www.topografix.com/GPX/1/1/gpx.xsd. This type holds a TimeIndexTable_t and any extensions to this schema. This type contains a list of indices that sync the time into movie playback with the time into a given track segment. This attribute is the path to the movie indexed by this table. This may be a local file path (relative to the location of the .gpx file), or a web URL for videos hosted online. This attribute is the offset in milliseconds into the movie referenced by the containing TimeIndexTable_t. This attribute is the offset in milliseconds into the track segment. This value can be omitted if there is no track point for this index. This attribute is the track segment index. This type provides the ability to extend any data type that includes it.