libavcodec/rv40.c:593: error: Uninitialized Value
  The value read from clip[_] was never initialized.

libavcodec/rv40.c:593:40: 
591.                     int clip_cur = c_to_deblock[k] & (MASK_CUR << ij) ? clip[POS_CUR] : 0;
592.                     if(c_h_deblock[k] & (MASK_CUR << (ij+2))){
593.                         int clip_bot = c_to_deblock[k] & (MASK_CUR << (ij+2)) ? clip[POS_CUR] : 0;
                                            ^
594.                         rv40_h_loop_filter(C+4*s->uvlinesize, s->uvlinesize, i*8,
595.                                            clip_bot,
