ia_css_binary_max_vf_width
max_vf_width = ia_css_binary_max_vf_width();
if ((ds_log2 > 0) && (out_width < ia_css_binary_max_vf_width()))
if ((out_info->res.width >> ds_log2) >= 2 * ia_css_binary_max_vf_width())
ia_css_binary_max_vf_width(void);