---
title: Source reference
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/timecode_sample_description/source_reference
---

# Source reference

A user data atom containing information about the source tape.

## Overview

Overview The only currently used user data list entry is the 'name' type. This entry contains a text item specifying the name of the source tape.

## See Also

### Data fields

- [Reserved](quicktime-file-format/timecode_sample_description/reserved.md)
- [Flags](quicktime-file-format/timecode_sample_description/flags.md)
- [Time scale](quicktime-file-format/timecode_sample_description/time_scale.md)
- [Frame duration](quicktime-file-format/timecode_sample_description/frame_duration.md)
- [Number of frames](quicktime-file-format/timecode_sample_description/number_of_frames.md)
- [Reserved](quicktime-file-format/timecode_sample_description/reserved2.md)