ceil_log2         201 libde265/slice.cc     int slice_segment_address = get_bits(br, ceil_log2(sps->PicSizeInCtbsY));
ceil_log2         277 libde265/slice.cc         int nBits = ceil_log2(sps->num_short_term_ref_pic_sets);
ceil_log2         319 libde265/slice.cc             int nBits = ceil_log2(sps->num_long_term_ref_pics_sps);
ceil_log2         424 libde265/slice.cc         int nBits = ceil_log2(NumPocTotalCurr);