libavcodec/error_resilience.c:499: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:499:47: 
497.                                 score += FFABS(src[k*s->linesize-1 ]-src[k*s->linesize   ]);
498.                         }
499.                         if(mb_x+1<mb_width && fixed[mb_xy+1]){
                                                   ^
500.                             int k;
501.                             for(k=0; k<16; k++)
