libavcodec/interplayvideo.c:635: error: Uninitialized Value
  The value read from P[_] was never initialized.

libavcodec/interplayvideo.c:635:21: 
633.                     if (x == 4)
634.                         split = 4;
635.                     *s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];
                         ^
636.                 }
637. 
