Navigation.queryParseCommandsNth

bool queryParseCommandsNth(gst.query.Query query, uint nth, out gstvideo.types.NavigationCommand cmd)

Parse the #GstNavigation command query and retrieve the nth command from it into cmd. If the list contains less elements than nth, cmd will be set to #GST_NAVIGATION_COMMAND_INVALID.

Parameters

`query`	a #GstQuery
`nth`	the nth command to retrieve.
`cmd`	a pointer to store the nth command into.

Returns

true if the query could be successfully parsed. false if not.