libavcodec/interplayvideo.c:629: error: Uninitialized Value
  The value read from B[_] was never initialized.

libavcodec/interplayvideo.c:629:17: 
627.             for (y = 0; y < 8; y++) {
628. 
629.                 flags = (B[y + 8] << 8) | B[y];
                     ^
630.                 split = 0;
631. 
