pub unsafe extern "C" fn WebPINewYUVA( luma: *mut u8, luma_size: usize, luma_stride: c_int, u: *mut u8, u_size: usize, u_stride: c_int, v: *mut u8, v_size: usize, v_stride: c_int, a: *mut u8, a_size: usize, a_stride: c_int) -> *mut WebPIDecoder