Skip to main content

Apple Developer Docs

Fonts Symbols

QuickTime File Format / Reference movie descriptor atom ('rmda') / Data reference atom

Contents

Overview
See Also

Data reference atom

Each reference movie atom must contain exactly one data reference atom.

Overview

See Data reference atom for more information.

See Also

Data fields

Size
Type
Data rate atom
CPU speed atom
Version check atom
Component detect atom
Quality atom

Open on developer.apple.com

QuickTime File FormatData field

Overview
See Also

Built on 2026-05-07