Skip to main content

Apple Developer Docs

Fonts Symbols

Core Media / CMTimeRange / duration

Contents

Declaration
See Also

duration

The duration of the time range.

Declaration

var duration: CMTime

See Also

Inspecting Time Ranges

start
end
isValid
isEmpty
isIndefinite

Open on developer.apple.com

Core MediaInstance Property

iOS 4.0+iPadOS 4.0+Mac Catalyst 13.1+macOS 10.7+tvOS 9.0+visionOS 1.0+watchOS 6.0+

Declaration
See Also

Built on 2026-05-07