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# isReadyForMoreMediaData

A Boolean value that indicates the readiness of the decoder to accept more sample buffers.

```
var isReadyForMoreMediaData: Bool { get }
```

## Discussion

Video decoders which operate asynchronously often have a fixed capacity for buffers in flight in the decoder. This property allows the decoder to signal to <doc://com.apple.documentation/documentation/VideoToolbox> that its internal buffers are full and it can’t accept more samples. The decoder needs to use [`MEVideoDecoderReadyForMoreMediaDataDidChangeNotification`](/documentation/MediaExtension/MEVideoDecoderReadyForMoreMediaDataDidChangeNotification) to notify Video Toolbox when this property changes.

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