CMAttachment

Overview

An attachment bearer is a Core Foundation type object that supports the suite of key, value, and mode attachment APIs. You can attach any Core Foundation object to an attachment bearer to store additional information.

Topics

Processing Attachments

• CMGetAttachment(_:key:attachmentModeOut:)
• CMCopyDictionaryOfAttachments(allocator:target:attachmentMode:)
• CMSetAttachment(_:key:value:attachmentMode:)
• CMSetAttachments(_:attachments:attachmentMode:)
• CMRemoveAttachment(_:key:)
• CMRemoveAllAttachments(_:)
• CMPropagateAttachments(_:destination:)

Data Types

• CMAttachmentBearerProtocol
• CMAttachmentBearer
• CMAttachmentMode

Constants

• kCMAttachmentMode_ShouldNotPropagate
• kCMAttachmentMode_ShouldPropagate
• kCMSampleAttachmentKey_HEVCTemporalLevelInfo
• kCMSampleAttachmentKey_HEVCTemporalSubLayerAccess
• kCMSampleAttachmentKey_HEVCStepwiseTemporalSubLayerAccess
• kCMSampleAttachmentKey_HEVCSyncSampleNALUnitType
• kCMSampleAttachmentKey_CryptorSubsampleAuxiliaryData
• kCMSampleAttachmentKey_AudioIndependentSampleDecoderRefreshCount
• kCMSampleBufferAttachmentKey_CameraIntrinsicMatrix

See Also

Sample Processing

• CMSampleBuffer
• CMBlockBuffer
• CMTaggedBufferGroup
• CMFormatDescription
• CMTaggedBuffer
• CMMutableDataBlockBuffer
• CMReadOnlyDataBlockBuffer
• CMReadySampleBuffer
• CMSampleDataReference
• CMTaggedDynamicBuffer