libavcodec/rv40.c:512: error: Uninitialized Value
  The value read from clip[_] was never initialized.

libavcodec/rv40.c:512:41: 
510.                             clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;
511.                         else
512.                             clip_left = c_to_deblock[k]    & (MASK_CUR << (ij-1))  ? clip[POS_CUR]  : 0;
                                             ^
513.                         rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, j*8,
514.                                            clip_cur,
