Function bayer::ffi::bayerrs_demosaic_none

#[no_mangle]
pub extern "C" fn bayerrs_demosaic_none(
    src: *const c_uchar, 
    src_len: size_t, 
    depth: c_uint, 
    be: c_uint, 
    cfa: c_uint, 
    dst: *mut CRasterMut
) -> c_uint

Demosaicing without any interpolation.