libavcodec/vp8dsp.c:214: error: Uninitialized Value
  The value read from q1 was never initialized.

libavcodec/vp8dsp.c:214:12: 
212.            FFABS(q3 - q2) <= I &&
213.            FFABS(q2 - q1) <= I &&
214.            FFABS(q1 - q0) <= I;
                ^
215. }
216. 
