libavcodec/vp8dsp.c:319: error: Uninitialized Value
  The value read from p0 was never initialized.

libavcodec/vp8dsp.c:319:12: 
317. {
318.     LOAD_PIXELS
319.     return FFABS(p0 - q0) <= flim;
                ^
320. }
321. 
