case BC_YUV422P: in_w &= ~1; break; // 2x1
case BC_YUV410P: in_w &= ~3; in_h &= ~3; break; // 4x4
case BC_YUV411P: in_w &= ~3; break; // 4x1
case BC_YUV422P: in_w &= ~1; break; // 2x1
case BC_YUV410P: in_w &= ~3; in_h &= ~3; break; // 4x4
case BC_YUV411P: in_w &= ~3; break; // 4x1
case BC_YUV422P: out_w &= ~1; break;
case BC_YUV410P: out_w &= ~3; out_h &= ~3; break;
case BC_YUV411P: out_w &= ~3; break;
case BC_YUV422P: out_w &= ~1; break;
case BC_YUV410P: out_w &= ~3; out_h &= ~3; break;
case BC_YUV411P: out_w &= ~3; break;