libavcodec/rv40.c:457: error: Uninitialized Value
  The value read from mb_strong[_] was never initialized.

libavcodec/rv40.c:457:61: 
455.                 }
456.                 // filter left block edge in edge mode (with high filtering strength)
457.                 if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){
                                                                 ^
458.                     clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
459.                     r->rdsp.rv40_v_loop_filter(Y, s->linesize, dither,
