kCMFormatDescriptionVendor_Apple A string that speicifies Apple as the vendor. Declarationlet kCMFormatDescriptionVendor_Apple: CFString See AlsoConstantskCMFormatDescriptionConformsToMPEG2VideoProfilekCMFormatDescriptionExtension_TemporalQualitykCMFormatDescriptionExtension_SpatialQualitykCMFormatDescriptionExtension_VersionkCMFormatDescriptionExtension_RevisionLevelkCMFormatDescriptionExtension_Vendor