} else {
mc_block_special(dst, uoff, ustride, mb_x * 8, mb_y * 8, chroma_mv.x, chroma_mv.y,
refframe.clone(), 1, &mut mc_buf, 8, pitch_smode);
mc_block_special(dst, voff, vstride, mb_x * 8, mb_y * 8, chroma_mv.x, chroma_mv.y,
} else {
mc_block_special(dst, uoff, ustride, mb_x * 8, mb_y * 8, chroma_mv.x, chroma_mv.y,
refframe.clone(), 1, &mut mc_buf, 8, pitch_smode);
mc_block_special(dst, voff, vstride, mb_x * 8, mb_y * 8, chroma_mv.x, chroma_mv.y,