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

# Size

A 32-bit unsigned integer that indicates the size in bytes of the atom structure.

## See Also

### Data fields

- [Type](quicktime-file-format/bit_rate_atom/type.md)
- [Buffer size](quicktime-file-format/bit_rate_atom/buffer_size.md)
- [Max bit rate](quicktime-file-format/bit_rate_atom/max_bit_rate.md)
- [Average bit rate](quicktime-file-format/bit_rate_atom/average_bit_rate.md)