---
title: kMovieMediaRegionAtom
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/movie_media_sample/kmoviemediaregionatom
---

# kMovieMediaRegionAtom

A number of atoms, which describe how the Movie Media Handler should resize the embedded movie.

## Overview

Overview If this atom is not present, the Movie Media Handler resizes the embedded movie to completely fill the containing track’s box.

## See Also

### Data fields

- [kMovieMediaDataReference](quicktime-file-format/movie_media_sample/kmoviemediadatareference.md)
- [kMovieMediaDefaultDataReferenceID](quicktime-file-format/movie_media_sample/kmoviemediadefaultdatareferenceid.md)
- [kMovieMediaAutoPlay](quicktime-file-format/movie_media_sample/kmoviemediaautoplay.md)
- [kMovieMediaLoop](quicktime-file-format/movie_media_sample/kmoviemedialoop.md)
- [kMovieMediaUseMIMEType](quicktime-file-format/movie_media_sample/kmoviemediausemimetype.md)
- [kMovieMediaTitle](quicktime-file-format/movie_media_sample/kmoviemediatitle.md)
- [kMovieMediaAltText](quicktime-file-format/movie_media_sample/kmoviemediaalttext.md)
- [kMovieMediaClipBegin](quicktime-file-format/movie_media_sample/kmoviemediaclipbegin.md)
- [kMovieMediaClipDuration](quicktime-file-format/movie_media_sample/kmoviemediaclipduration.md)
- [kMovieMediaEnableFrameStepping](quicktime-file-format/movie_media_sample/kmoviemediaenableframestepping.md)
- [kMovieMediaBackgroundColor](quicktime-file-format/movie_media_sample/kmoviemediabackgroundcolor.md)
- [kMovieMediaRectangleAtom](quicktime-file-format/movie_media_sample/kmoviemediarectangleatom.md)