libavcodec/interplayvideo.c:476: error: Uninitialized Value
  The value read from P[_] was never initialized.

libavcodec/interplayvideo.c:476:9: 
474.             P[1] = bytestream2_get_byte(&s->stream_ptr);
475.         }
476.         memset(s->pixel_ptr,     P[0], 4);
             ^
477.         memset(s->pixel_ptr + 4, P[1], 4);
478.         s->pixel_ptr += s->stride;
