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# QTVR track

A track that maintains a list of all the nodes in a movie.

## Overview

> Important: VR Media is deprecated in the QuickTime file format. The information that follows documents existing content containing VR Media and should not be used for new development.

A QTVR track is a special type of QuickTime track that maintains a list of all the nodes in a movie. The media type for a QTVR track is `'qtvr'`. All the media samples in a QTVR track share a common sample description. This sample description contains the VR world atom container. The track contains one media sample for each node in the movie. Each QuickTime VR media sample contains a node information atom container.

## Topics

### Storing sample descriptions

[`QuickTime VR sample description ('qtvr')`](/documentation/quicktime-file-format/QuickTime_VR_sample_description)

Describe QuickTime VR samples.


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