pub unsafe extern "C" fn heif_nclx_color_profile_set_matrix_coefficients(
nclx: *mut heif_color_profile_nclx,
matrix_coefficients: u16
) -> heif_errorpub unsafe extern "C" fn heif_nclx_color_profile_set_matrix_coefficients(
nclx: *mut heif_color_profile_nclx,
matrix_coefficients: u16
) -> heif_error