---
title: hasSufficientMediaDataForReliablePlaybackStart
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avqueuedsamplebufferrendering/hassufficientmediadataforreliableplaybackstart
---

# hasSufficientMediaDataForReliablePlaybackStart

A Boolean value that indicates whether the enqued media meets the required preroll level for reliable playback.

## Declaration

```swift
var hasSufficientMediaDataForReliablePlaybackStart: Bool { get }
```

## Discussion

Discussion Starting playback when this property is false may prevent smooth playback following an immediate start.