---
title: gradualDecoderRefresh
framework: coremedia
role: symbol
role_heading: Type Property
path: coremedia/cmsamplebufferattachmentkeydefinitions/gradualdecoderrefresh
---

# gradualDecoderRefresh

Indicates the decoder refresh count.

## Declaration

```swift
static let gradualDecoderRefresh: CVAttachmentKeyDefinition<CMSampleBufferAttachmentKeyDefinitions.ShouldPropagate, Int16>
```

## Discussion

Discussion Sample buffers with this attachment may be used to identify the audio decoder refresh count.