---
title: Object ID atom
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/track_input_atom/object_id_atom
---

# Object ID atom

An atom that identifies an object, such as a sprite within a sprite track, in a track input atom.

## Overview

Overview For more information, see Object ID atom ('obid').

## See Also

### Data fields

- [Size](quicktime-file-format/track_input_atom/size.md)
- [Type](quicktime-file-format/track_input_atom/type.md)
- [Atom ID](quicktime-file-format/track_input_atom/atom_id.md)
- [Reserved](quicktime-file-format/track_input_atom/reserved.md)
- [Child count](quicktime-file-format/track_input_atom/child_count.md)
- [Reserved](quicktime-file-format/track_input_atom/reserved_2.md)
- [Input type atom](quicktime-file-format/track_input_atom/input_type_atom.md)