CMTaggedBufferGroup Objective-C types and interfaces for working with Core Media tagged buffer groups. TopicsTypesCMTaggedBufferGroupFormatDescriptionCMTaggedBufferGroupFormatType See AlsoSample ProcessingCMSampleBufferCMBlockBufferCMFormatDescriptionCMAttachmentCMTaggedBufferCMMutableDataBlockBufferCMReadOnlyDataBlockBufferCMReadySampleBufferCMSampleDataReferenceCMTaggedDynamicBuffer