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

# Size

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

## See Also

### Data fields

- [Type](quicktime-file-format/base_media_information_header_atom/type.md)
- [Base media info atom](quicktime-file-format/base_media_information_header_atom/base_media_info_atom.md)
- [Text media information atom](quicktime-file-format/base_media_information_header_atom/text_media_information_atom.md)