libavformat/mpeg.c:307: error: Uninitialized Value
  The value read from c was never initialized.

libavformat/mpeg.c:307:13: 
305.         pts  = get_pts(s->pb, c);
306.         len -= 4;
307.         if (c & 0x10) {
                 ^
308.             dts  = get_pts(s->pb, -1);
309.             len -= 5;
