libavformat/mpeg.c:303: error: Uninitialized Value
  The value read from c was never initialized.

libavformat/mpeg.c:303:9: 
301.         len -= 2;
302.     }
303.     if ((c & 0xe0) == 0x20) {
             ^
304.         dts  =
305.         pts  = get_pts(s->pb, c);
