Function

CMMetadataFormatDescriptionCreateFromBigEndianMetadataDescriptionBlockBuffer(allocator:bigEndianMetadataDescriptionBlockBuffer:flavor:formatDescriptionOut:)

Creates a CMMetadataFormatDescription from a big-endian MetadataDescription data structure in a CMBlockBuffer.

Declaration

func CMMetadataFormatDescriptionCreateFromBigEndianMetadataDescriptionBlockBuffer(allocator: CFAllocator?, bigEndianMetadataDescriptionBlockBuffer metadataDescriptionBlockBuffer: CMBlockBuffer, flavor: CMMetadataDescriptionFlavor?, formatDescriptionOut: UnsafeMutablePointer<CMMetadataFormatDescription?>) -> OSStatus

Parameters

allocator

Allocator to use for allocating the CMMetadataFormatDescription object. May be NULL.

metadataDescriptionBlockBuffer

CMBlockBuffer containing MetadataDescription data structure in big-endian byte ordering.

metadataDescriptionFlavor

Reserved for future use. Pass NULL for QuickTime Movie or ISO flavor.

metadataFormatDescriptionOut

Receives new CMMetadataFormatDescriptionRef.

See Also

Metadata-Specific Functions

func CMMetadataFormatDescriptionCreateWithKeys(allocator: CFAllocator?, metadataType: CMMetadataFormatType, keys: CFArray?, formatDescriptionOut: UnsafeMutablePointer<CMMetadataFormatDescription?>) -> OSStatus

Creates a metadata format description object specified by the key.

func CMMetadataFormatDescriptionGetKeyWithLocalID(CMMetadataFormatDescription, localKeyID: OSType) -> CFDictionary?

Returns the key associated with the metadata for the given local id.

func CMMetadataFormatDescriptionCopyAsBigEndianMetadataDescriptionBlockBuffer(allocator: CFAllocator?, metadataFormatDescription: CMMetadataFormatDescription, flavor: CMMetadataDescriptionFlavor?, blockBufferOut: UnsafeMutablePointer<CMBlockBuffer?>) -> OSStatus

Copies the contents of a CMMetadataFormatDescription to a CMBlockBuffer in big-endian byte ordering.

func CMMetadataFormatDescriptionCreateByMergingMetadataFormatDescriptions(allocator: CFAllocator?, sourceDescription: CMMetadataFormatDescription, otherSourceDescription: CMMetadataFormatDescription, formatDescriptionOut: UnsafeMutablePointer<CMMetadataFormatDescription?>) -> OSStatus
func CMMetadataFormatDescriptionCreateFromBigEndianMetadataDescriptionData(allocator: CFAllocator?, bigEndianMetadataDescriptionData: UnsafePointer<UInt8>, size: Int, flavor: CMMetadataDescriptionFlavor?, formatDescriptionOut: UnsafeMutablePointer<CMMetadataFormatDescription?>) -> OSStatus

Creates a CMMetadataFormatDescription from a big-endian MetadataDescription data structure.

func CMMetadataFormatDescriptionCreateWithMetadataFormatDescriptionAndMetadataSpecifications(allocator: CFAllocator?, sourceDescription: CMMetadataFormatDescription, metadataSpecifications: CFArray, formatDescriptionOut: UnsafeMutablePointer<CMMetadataFormatDescription?>) -> OSStatus

Creates a new CMMetadataFormatDescription.

func CMMetadataFormatDescriptionCreateWithMetadataSpecifications(allocator: CFAllocator?, metadataType: CMMetadataFormatType, metadataSpecifications: CFArray, formatDescriptionOut: UnsafeMutablePointer<CMMetadataFormatDescription?>) -> OSStatus

Creates a new CMMetadataFormatDescription.

func CMSwapBigEndianMetadataDescriptionToHost(UnsafeMutablePointer<UInt8>, Int) -> OSStatus

Converts a MetadataDescription data structure from big-endian to host-endian in place.

func CMSwapHostEndianMetadataDescriptionToBig(UnsafeMutablePointer<UInt8>, Int) -> OSStatus

Converts a MetadataDescription data structure from host-endian to big-endian in place.

func CMMetadataFormatDescriptionGetIdentifiers(CMMetadataFormatDescription) -> CFArray?

Gets an array of metadata identifiers from a metadata format description.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

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