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# pixelFormatsWithReducedResolutionDecodeSupport

Provides a list of output pixel formats where the decoder supports reduced resolution decoding.

```
optional var pixelFormatsWithReducedResolutionDecodeSupport: [NSNumber] { get }
```

## Discussion

This array contains <doc://com.apple.documentation/documentation/CoreMedia/CMPixelFormatType> values. The system queries this property on the extension when <doc://com.apple.documentation/documentation/VideoToolbox> queries the <doc://com.apple.documentation/documentation/VideoToolbox/kVTDecompressionPropertyKey_PixelFormatsWithReducedResolutionSupport> on the hosting <doc://com.apple.documentation/documentation/VideoToolbox/VTDecompressionSession>.

---

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