weighted_avg       60 libavfilter/vf_nlmeans.c     struct weighted_avg *wa;                    // weighted average of every pixel
weighted_avg      362 libavfilter/vf_nlmeans.c         struct weighted_avg *wa = s->wa + y*s->wa_linesize;
weighted_avg      412 libavfilter/vf_nlmeans.c                             struct weighted_avg *wa, ptrdiff_t wa_linesize,