libavcodec/h264.c:2339: error: Uninitialized Value
  The value read from dest[_] was never initialized.

libavcodec/h264.c:2339:17: 
2337.         if (mb_y & 1) // FIXME move out of this function?
2338.             for (p = 0; p < 3; p++)
2339.                 dest[p] -= s->linesize * 15;
                      ^
2340.         if (FRAME_MBAFF) {
2341.             int list;
