libavcodec/vp8dsp.c:121: error: Uninitialized Value
  The value read from tmp[_] was never initialized.

libavcodec/vp8dsp.c:121:9: 
119.         a1 = (tmp[i + 0] + tmp[i + 8]) * 23170;
120.         b1 = (tmp[i + 0] - tmp[i + 8]) * 23170;
121.         c1 = tmp[i + 4] * 12540 - tmp[i + 12] * 30274;
             ^
122.         d1 = tmp[i + 4] * 30274 + tmp[i + 12] * 12540;
123.         dst[0 * stride + i] = av_clip_uint8(dst[0 * stride + i] +
