kCVImageBufferFieldDetailTemporalBottomFirst
A key to the temporal bottom first detail field of the image buffer.
Declaration
let kCVImageBufferFieldDetailTemporalBottomFirst: CFStringDiscussion
The temporal bottom first detail field value is of type CFString. The image buffer contains complete fields in alternating order. The bottom, even-numbered, fields contain image data captured at an earlier time than top, odd-numbered, fields.