libavcodec/interplayvideo.c:725: error: Uninitialized Value
  The value read from P[_] was never initialized.

libavcodec/interplayvideo.c:725:15: 
723. 
724.     if (!(P[0] & 0x8000)) {
725.         if (!(P[2] & 0x8000)) {
                   ^
726. 
727.             /* 1 of 4 colors for each pixel */
