libavcodec/vp8dsp.c:221: error: Uninitialized Value
  The value read from q0 was never initialized.

libavcodec/vp8dsp.c:221:39: 
219. {
220.     LOAD_PIXELS
221.     return FFABS(p1 - p0) > thresh || FFABS(q1 - q0) > thresh;
                                           ^
222. }
223. 

static av_always_inline int hev(uint8_t *p, ptrdiff_t stride, int thresh)
{
    LOAD_PIXELS
    return FFABS(p1 - p0) > thresh || FFABS(q1 - q0) > thresh;
}
['static av_always_inline int hev(uint8_t *p, ptrdiff_t stride, int thresh)\n{\n    LOAD_PIXELS\n    return FFABS(p1 - p0) > thresh || FFABS(q1 - q0) > thresh;\n}']