CMIOExtensionStreamFormat An object that describes the format of a media stream. Declarationclass CMIOExtensionStreamFormat TopicsCreating a Stream Formatinit(formatDescription:maxFrameDuration:minFrameDuration:validFrameDurations:)Configuring Frame DurationsminFrameDurationmaxFrameDurationvalidFrameDurationsAccessing the Format DescriptionformatDescriptionInitializersinit(coder:) RelationshipsInherits FromNSObjectConforms ToCVarArgCustomDebugStringConvertibleCustomStringConvertibleEquatableHashableNSCodingNSCopyingNSObjectProtocolNSSecureCoding See AlsoAccessing the Source Formatformats