pub unsafe extern "C" fn dav1d_apply_grain(
c: *mut Dav1dContext,
out: *mut Dav1dPicture,
in_: *const Dav1dPicture,
) -> c_int
pub unsafe extern "C" fn dav1d_apply_grain(
c: *mut Dav1dContext,
out: *mut Dav1dPicture,
in_: *const Dav1dPicture,
) -> c_int