b0_2 = b0_ptr[pitch+indx+1];
tmp1 = tmp0 + b0_1;
- p0 = tmp0 << 4;
- p1 = tmp1 << 3;
- p2 = (tmp0 + tmp2) << 3;
- p3 = (tmp1 + tmp2 + b0_2) << 2;
+ p0 = tmp0 * 16;
+ p1 = tmp1 * 8;
+ p2 = (tmp0 + tmp2) * 8;
+ p3 = (tmp1 + tmp2 + b0_2) * 4;
}
/* process the HL-band by applying HPF vertically and LPF horizontally */
tmp2 = tmp1 - tmp0*6 + b1_3;
b1_3 = b1_1 - b1_2*6 + b1_ptr[pitch+indx+1];
- p0 += (tmp0 + tmp1) << 3;
- p1 += (tmp0 + tmp1 + b1_1 + b1_2) << 2;
- p2 += tmp2 << 2;
- p3 += (tmp2 + b1_3) << 1;
+ p0 += (tmp0 + tmp1) * 8;
+ p1 += (tmp0 + tmp1 + b1_1 + b1_2) * 4;
+ p2 += tmp2 * 4;
+ p3 += (tmp2 + b1_3) * 2;
}
/* process the LH-band by applying LPF vertically and HPF horizontally */
tmp0 = b2_1 + b2_2;
tmp1 = b2_1 - b2_2*6 + b2_3;
- p0 += tmp0 << 3;
- p1 += tmp1 << 2;
- p2 += (tmp0 + b2_4 + b2_5) << 2;
- p3 += (tmp1 + b2_4 - b2_5*6 + b2_6) << 1;
+ p0 += tmp0 * 8;
+ p1 += tmp1 * 4;
+ p2 += (tmp0 + b2_4 + b2_5) * 4;
+ p3 += (tmp1 + b2_4 - b2_5*6 + b2_6) * 2;
}
/* process the HH-band by applying HPF both vertically and horizontally */
b3_9 = b3_3 - b3_6*6 + b3_ptr[pitch+indx+1];
- p0 += (tmp0 + tmp1) << 2;
- p1 += (tmp0 - tmp1*6 + tmp2) << 1;
- p2 += (b3_7 + b3_8) << 1;
+ p0 += (tmp0 + tmp1) * 4;
+ p1 += (tmp0 - tmp1*6 + tmp2) * 2;
+ p2 += (b3_7 + b3_8) * 2;
p3 += b3_7 - b3_8*6 + b3_9;
}
if (flags[i]) {
/* pre-scaling */
shift = !(i & 2);
- sp1 = src[0] << shift;
- sp2 = src[4] << shift;
+ sp1 = src[0] * (1 << shift);
+ sp2 = src[4] * (1 << shift);
INV_HAAR4( sp1, sp2, src[8], src[12],
dst[0], dst[4], dst[8], dst[12],
t0, t1, t2, t3, t4);