Instance Property

canContainFragments

A Boolean value that indicates whether the asset is capable of being extended by fragments.

Declaration

var canContainFragments: Bool { get }

Discussion

For QuickTime movie files and MPEG-4 files, the value of canContainFragments is true if an 'mvex' box is present in the 'moov' box. For those types, the 'mvex' box signals the possible presence of later 'moof' boxes.

See Also

Working with Fragmented Movies

var containsFragments: Bool

A Boolean value that indicates whether the asset is extended by at least one movie fragment.

var overallDurationHint: CMTime

The total duration of fragments that currently exist, or may exist in the future.