NW                241 libavfilter/vsrc_cellauto.c             pos[NW] = i-1 < 0 ? cellauto->w-1 : i-1;
NW                244 libavfilter/vsrc_cellauto.c             v = prev_row[pos[NW]]<<2 | prev_row[pos[N]]<<1 | prev_row[pos[NE]];
NW                304 libavfilter/vsrc_life.c                 pos[NW][0] = (i-1) < 0 ? life->h-1 : i-1; pos[NW][1] = (j-1) < 0 ? life->w-1 : j-1;
NW                313 libavfilter/vsrc_life.c                 pos[NW][0] = (i-1) < 0 ? -1        : i-1; pos[NW][1] = (j-1) < 0 ? -1        : j-1;
NW                324 libavfilter/vsrc_life.c             n = (pos[NW][0] == -1 || pos[NW][1] == -1 ? 0 : oldbuf[pos[NW][0]*life->w + pos[NW][1]] == ALIVE_CELL) +