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  "title" : "Video Encoder List Keys"
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# Video Encoder List Keys

Dictionary key constants to use to retrieve video encoder information.

## Discussion

Use these keys to pass to the [`VTCopyVideoEncoderList(_:_:)`](/documentation/VideoToolbox/VTCopyVideoEncoderList(_:_:)) function.

## Topics

### Encoder Keys

[`kVTVideoEncoderList_EncoderID`](/documentation/VideoToolbox/kVTVideoEncoderList_EncoderID)

A key that identifies the encoder ID.

[`kVTVideoEncoderList_EncoderName`](/documentation/VideoToolbox/kVTVideoEncoderList_EncoderName)

A key for the encoder’s name.

[`kVTVideoEncoderList_DisplayName`](/documentation/VideoToolbox/kVTVideoEncoderList_DisplayName)

The encoder’s display name key.

[`kVTVideoEncoderList_CodecType`](/documentation/VideoToolbox/kVTVideoEncoderList_CodecType)

The encoder’s codec type key.

[`kVTVideoEncoderList_CodecName`](/documentation/VideoToolbox/kVTVideoEncoderList_CodecName)

The encoder’s codec name key.

[`kVTVideoEncoderList_GPURegistryID`](/documentation/VideoToolbox/kVTVideoEncoderList_GPURegistryID)

[`kVTVideoEncoderList_InstanceLimit`](/documentation/VideoToolbox/kVTVideoEncoderList_InstanceLimit)

[`kVTVideoEncoderList_IsHardwareAccelerated`](/documentation/VideoToolbox/kVTVideoEncoderList_IsHardwareAccelerated)

[`kVTVideoEncoderList_PerformanceRating`](/documentation/VideoToolbox/kVTVideoEncoderList_PerformanceRating)

[`kVTVideoEncoderList_QualityRating`](/documentation/VideoToolbox/kVTVideoEncoderList_QualityRating)

[`kVTVideoEncoderList_SupportedSelectionProperties`](/documentation/VideoToolbox/kVTVideoEncoderList_SupportedSelectionProperties)

[`kVTVideoEncoderList_SupportsFrameReordering`](/documentation/VideoToolbox/kVTVideoEncoderList_SupportsFrameReordering)

[`kVTVideoEncoderList_SupportsMultiPass`](/documentation/VideoToolbox/kVTVideoEncoderList_SupportsMultiPass)

[`kVTVideoEncoderListOption_IncludeStandardDefinitionDVEncoders`](/documentation/VideoToolbox/kVTVideoEncoderListOption_IncludeStandardDefinitionDVEncoders)


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