libavcodec/rv40.c:474: error: Uninitialized Value
  The value read from mvmasks[_] was never initialized.

libavcodec/rv40.c:474:37: 
472.                 if(y_v_deblock & (MASK_CUR << ij) && (i || !(mb_strong[POS_CUR] | mb_strong[POS_LEFT]))){
473.                     if(!i)
474.                         clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
                                         ^
475.                     else
476.                         clip_left = y_to_deblock & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;
