libavcodec/vp8dsp.c:70: error: Uninitialized Value
  The value read from tmp[_] was never initialized.

libavcodec/vp8dsp.c:70:9: 
68. 
69.     for (i = 0; i < 4; i++) {
70.         a1 = (tmp[i + 0] + tmp[i + 8]) * 23170;
            ^
71.         b1 = (tmp[i + 0] - tmp[i + 8]) * 23170;
72.         c1 = tmp[i + 4] * 12540 - tmp[i + 12] * 30274;
