hevcTemporalLevelInfo Declarationstatic let hevcTemporalLevelInfo: CMSampleBuffer.PerSampleAttachmentsDictionary.Key See AlsoKeysaudioIndependentSampleDecoderRefreshCountdependsOnOthersdisplayImmediatelydoNotDisplayearlierDisplayTimesAllowedhasRedundantCodinghevcStepwiseTemporalSubLayerAccesshevcSyncSampleNALUnitTypehevcTemporalSubLayerAccessisDependedOnByOthersnotSyncpartialSync