dataFailed A sample buffer failed to load its data. Declarationstatic let dataFailed: NSError See AlsoErrorsallocationFailedalreadyHasDataBufferarrayTooSmallbufferHasNoSampleSizesbufferHasNoSampleTimingInfobufferNotReadycannotSubdividedataCanceledinvalidEntryCountinvalidMediaFormatinvalidMediaTypeForOperationinvalidSampleDatainvalidatedrequiredParameterMissingsampleIndexOutOfRange