---
title: Size
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/media_atom/size
---

# Size

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

## See Also

### Data fields

- [Type](quicktime-file-format/media_atom/type.md)
- [Media header atom](quicktime-file-format/media_atom/media_header_atom.md)
- [Extended language tag atom](quicktime-file-format/media_atom/extended_language_tag_atom.md)
- [Handler reference atom](quicktime-file-format/media_atom/handler_reference_atom.md)
- [Media information atom](quicktime-file-format/media_atom/media_information_atom.md)
- [User data atom](quicktime-file-format/media_atom/user_data_atom.md)