Static kVTCompressionPropertyKey_MVHEVCVideoLayerIDs 

pub unsafe static kVTCompressionPropertyKey_MVHEVCVideoLayerIDs: &'static CFString

Available on crate feature VTCompressionProperties only.

Requests multi-image encoding; advises encoder to expect CMTaggedBufferGroups with specific CMTags referencing these MV-HEVC VideoLayerIDs.

MV-HEVC specific. The property value is a CFArray containing VideoLayerIDs as CFNumbers. The property is NULL by default.

See also Apple’s documentation