libavcodec/ratecontrol.c:632: error: Uninitialized Value
  The value read from bits_tab[_] was never initialized.

libavcodec/ratecontrol.c:632:9: 
630.     for(i=0; i<s->mb_num; i++){
631.         const int mb_xy= s->mb_index2xy[i];
632.         float newq= q*cplx_tab[i]/bits_tab[i];
             ^
633.         int intq;
634. 
