libavcodec/interplayvideo.c:600: error: Uninitialized Value
  The value read from B[_] was never initialized.

libavcodec/interplayvideo.c:600:13: 
598. 
599.             lower_half = (y >= 4) ? 4 : 0;
600.             flags = (B[y + 8] << 8) | B[y];
                 ^
601. 
602.             for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {
