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# supportedPixelFormatsOrderedByQuality

Provides hints about quality tradeoffs between pixel formats.

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

## Discussion

This array contains <doc://com.apple.documentation/documentation/CoreMedia/CMPixelFormatType> values, ordered by quality from best to worst. The system queries this property on the extension when <doc://com.apple.documentation/documentation/VideoToolbox> queries the <doc://com.apple.documentation/documentation/VideoToolbox/kVTDecompressionPropertyKey_SupportedPixelFormatsOrderedByQuality> on the hosting <doc://com.apple.documentation/documentation/VideoToolbox/VTDecompressionSession>.

---

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