message: Fixed bug in subblock filtering.
diff: @@ -91,8 +91,8 @@ pub(crate) fn subblock_filter(hev_threshold: u8, interior_limit: u8, edge_limit:
  let a = (common_adjust(hv, pixels, point, stride) + 1) >> 1;
  if !hv {
  - pixels[point + stride] = s2u(u2s(pixels[5]) - a);
  - pixels[point - 2 * stride] = s2u(u2s(pixels[2]) - a);
  + pixels[point + stride] = s2u(u2s(pixels[point + stride]) - a);
  + pixels[point - 2 * stride] = s2u(u2s(pixels[point - 2 * stride]) - a);
  }
  }
  }
  