kCVImageBufferChromaLocationBottomFieldKey
A key to the location of chroma bottom field information in the image buffer.
Declaration
let kCVImageBufferChromaLocationBottomFieldKey: CFStringDiscussion
The chroma location value is of type CFString. This key only applies to interlaced image data. See Image Buffer Chroma Location Constants for more information.
See Also
Constants
kCVImageBufferCGColorSpaceKeykCVImageBufferCleanApertureKeykCVImageBufferPreferredCleanApertureKeykCVImageBufferFieldCountKeykCVImageBufferFieldDetailKeykCVImageBufferPixelAspectRatioKeykCVImageBufferDisplayDimensionsKeykCVImageBufferGammaLevelKeykCVImageBufferICCProfileKeykCVImageBufferYCbCrMatrixKeykCVImageBufferColorPrimariesKeykCVImageBufferTransferFunctionKeykCVImageBufferChromaLocationTopFieldKeykCVImageBufferChromaSubsamplingKeykCVImageBufferAlphaChannelIsOpaque