vImageCVImageFormat_SetChromaSiting(_:_:)
Sets the chrominance siting of a Core Video image format.
Declaration
func vImageCVImageFormat_SetChromaSiting(_ format: vImageCVImageFormat, _ siting: CFString!) -> vImage_ErrorParameters
- format:
The Core Video image format to update.
- siting:
The new siting information for the format.
Return Value
kvImageNoError; otherwise, one of the error codes in Data Types and Constants.
Discussion
4:2:0 and 4:2:0 YpCbCr image formats that have subsampled chrominance require the position of the chrominance samples relative to the luminance samples.