libavcodec/vp8dsp.c:169: error: Uninitialized Value
  The value read from q1 was never initialized.

libavcodec/vp8dsp.c:169:37: 
167. {
168.     LOAD_PIXELS
169.     return FFABS(p1-p0) > thresh || FFABS(q1-q0) > thresh;
                                         ^
170. }
171. 

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