libavcodec/svq1enc.c:253: error: Uninitialized Value
  The value read from best_vector[_] was never initialized.

libavcodec/svq1enc.c:253:13: 
251. 
252.         for (i = 0; i < best_count; i++){
253.             assert(best_vector[i]>=0 && best_vector[i]<16);
                 ^
254.             put_bits(&s->reorder_pb[level], 4, best_vector[i]);
255.         }
