eCK_Type – Medialooks Help Center

List of chroma key types

Member	Description
eCKT_Alpha	Alpha channel for ARGB32, none for other
eCKT_Auto	Auto color key - for auto detection
eCKT_HLS	HLS colorspace
eCKT_None	None color key
eCKT_RGB	RGB color key
eCKT_YUV	YUV color key