libavcodec/error_resilience.c:504: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:504:38: 
502.                                 score += FFABS(src[k*s->linesize+15]-src[k*s->linesize+16]);
503.                         }
504.                         if(mb_y>0 && fixed[mb_xy-mb_stride]){
                                          ^
505.                             int k;
506.                             for(k=0; k<16; k++)
