CMAudioFormatDescriptionCopyAsBigEndianSoundDescriptionBlockBuffer(allocator:audioFormatDescription:flavor:blockBufferOut:)

Declaration

func CMAudioFormatDescriptionCopyAsBigEndianSoundDescriptionBlockBuffer(allocator: CFAllocator?, audioFormatDescription: CMAudioFormatDescription, flavor: CMSoundDescriptionFlavor?, blockBufferOut: UnsafeMutablePointer<CMBlockBuffer?>) -> OSStatus

Parameters

• allocator:

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

• audioFormatDescription:

  CMAudioFormatDescription to be copied.

• flavor:

  kCMSoundDescriptionFlavor constant or NULL for QuickTimeMovie flavor.

• blockBufferOut:

  Receives new CMBlockBuffer containing SoundDescription data structure in big-endian byte ordering.

Discussion

On return, the caller owns the returned CMBlockBuffer, and must release it when done with it.

See Also

Working with Audio Descriptions

• CMSoundDescriptionFlavor
• CMAudioFormatDescriptionCreateSummary(allocator:formatDescriptionArray:flags:formatDescriptionOut:)
• CMAudioFormatDescriptionCreate(allocator:asbd:layoutSize:layout:magicCookieSize:magicCookie:extensions:formatDescriptionOut:)
• CMAudioFormatDescriptionEqual(_:otherFormatDescription:equalityMask:equalityMaskOut:)
• CMAudioFormatDescriptionGetChannelLayout(_:sizeOut:)
• CMAudioFormatDescriptionGetFormatList(_:sizeOut:)
• CMAudioFormatDescriptionGetMagicCookie(_:sizeOut:)
• CMAudioFormatDescriptionGetMostCompatibleFormat(_:)
• CMAudioFormatDescriptionGetRichestDecodableFormat(_:)
• CMAudioFormatDescriptionGetStreamBasicDescription(_:)
• CMDoesBigEndianSoundDescriptionRequireLegacyCBRSampleTableLayout(_:flavor:)
• CMSwapBigEndianSoundDescriptionToHost(_:_:)
• CMSwapHostEndianSoundDescriptionToBig(_:_:)
• CMAudioFormatDescriptionCreateFromBigEndianSoundDescriptionData(allocator:bigEndianSoundDescriptionData:size:flavor:formatDescriptionOut:)
• CMAudioFormatDescriptionCreateFromBigEndianSoundDescriptionBlockBuffer(allocator:bigEndianSoundDescriptionBlockBuffer:flavor:formatDescriptionOut:)