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# isDependedOnByOthers

Indicates whether other samples depend on this sample for decoding.

```
var isDependedOnByOthers: Bool? { get set }
```

## Discussion

This key has no default value. If this key is not present, dependency information for the sample is unknown.
If this key is present and its value is false, the frame is considered droppable.

This attachment is read from and written to media files.

---

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