---
title: "Data information atom ('dinf')"
framework: quicktime-file-format
role: symbol
role_heading: Atom
path: quicktime-file-format/data_information_atom
---

# Data information atom ('dinf')

An atom that specifies the data handler component that provides access to the media data.

## Overview

Overview The handler reference atom (described in Handler Reference Atoms) contains information specifying the data handler component that provides access to the media data. The data handler component uses the data information atom to interpret the media’s data. Data information atoms have an atom type value of 'dinf'.

## Topics

### Data fields

- [Size](quicktime-file-format/data_information_atom/size.md)
- [Type](quicktime-file-format/data_information_atom/type.md)
- [Data reference atom](quicktime-file-format/data_information_atom/data_reference_atom.md)

## See Also

### Describing media

- [Media atom ('mdia')](quicktime-file-format/media_atom.md)
- [Media header atom ('mdhd')](quicktime-file-format/media_header_atom.md)
- [Extended language tag atom ('elng')](quicktime-file-format/extended_language_tag_atom.md)
- [Handler reference atom ('hdlr')](quicktime-file-format/handler_reference_atom.md)
- [Media information atoms](quicktime-file-format/media_information_atoms.md)
- [Video media information atom ('minf')](quicktime-file-format/video_media_information_atom.md)
- [Video media information header atom ('vmhd')](quicktime-file-format/video_media_information_header_atom.md)
- [Sound media information atom ('minf')](quicktime-file-format/sound_media_information_atom.md)
- [Sound media information header atom ('smhd')](quicktime-file-format/sound_media_information_header_atom.md)
- [Base media information atom ('minf')](quicktime-file-format/base_media_information_atom.md)
- [Base media information header atom ('gmhd')](quicktime-file-format/base_media_information_header_atom.md)
- [Base media info atom ('gmin')](quicktime-file-format/base_media_info_atom.md)
- [Data reference atom](quicktime-file-format/media_data_reference_atom.md)