Function bayer::ffi::bayerrs_demosaic_none

pub extern 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.