Function ipp_sys::ippiRGBToYCbCr420_8u_C4P2R

pub unsafe extern "C" fn ippiRGBToYCbCr420_8u_C4P2R(
    pRGB: *const u8, 
    rgbStep: i32, 
    pY: *mut u8, 
    YStep: i32, 
    pCbCr: *mut u8, 
    CbCrStep: i32, 
    roiSize: IppiSize
) -> i32