libavcodec/rv40.c:603: error: Uninitialized Value
  The value read from clip[_] was never initialized.

libavcodec/rv40.c:603:41: 
601.                             clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;
602.                         else
603.                             clip_left = c_to_deblock[k]    & (MASK_CUR << (ij-1))  ? clip[POS_CUR]  : 0;
                                             ^
604.                         rv40_v_loop_filter(C, s->uvlinesize, j*8,
605.                                            clip_cur,
