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# Clipping atom ('clip')

An atom that specifies the clipping regions for movies and for tracks.

## Overview

The clipping atom has an atom type value of `'clip'`.

The layout of a clipping atom is as follows.

|Data field                                                                                     |Bytes   |
|-----------------------------------------------------------------------------------------------|--------|
|``doc://com.apple.qtff/documentation/quicktime-file-format/Clipping_atom/Size``                |4       |
|``doc://com.apple.qtff/documentation/quicktime-file-format/Clipping_atom/Type``                |4       |
|``doc://com.apple.qtff/documentation/quicktime-file-format/Clipping_atom/Clipping_region_atom``|Variable|

## Topics

### Data fields

[`Size`](/documentation/quicktime-file-format/Clipping_atom/Size)

A 32-bit integer that specifies the number of bytes in this clipping atom.

[`Type`](/documentation/quicktime-file-format/Clipping_atom/Type)

A 32-bit integer that identifies the atom type.

[`Clipping region atom`](/documentation/quicktime-file-format/Clipping_atom/Clipping_region_atom)

An atom that specifies the clipping region.


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