Static kCMFormatDescriptionExtension_VerbatimISOSampleEntry 

pub unsafe static kCMFormatDescriptionExtension_VerbatimISOSampleEntry: &'static CFString

Available on crate feature CMFormatDescription only.

kCMFormatDescriptionExtension_VerbatimISOSampleEntry

Preserves the original ISOSampleEntry data.

This extension is used to ensure that roundtrips from ISO Sample Entry (ie. AudioSampleEntry or VisualSampleEntry) to CMFormatDescriptions back to ISO Sample Entry preserve the exact original sample descriptions. IMPORTANT: If you make a modified clone of a CMFormatDescription, you must delete this extension from the clone, or your modifications could be lost.

See also Apple’s documentation