178 #define MIR_BYTES_PER_PIXEL(f) ((f) == mir_pixel_format_bgr_888 ? 3 : \ 179 (f) == mir_pixel_format_rgb_888 ? 3 : \ 180 (f) == mir_pixel_format_rgb_565 ? 2 : \ 181 (f) == mir_pixel_format_rgba_5551 ? 2 : \ 182 (f) == mir_pixel_format_rgba_4444 ? 2 : \