libavcodec/v210enc.c:95: error: Uninitialized Value
  The value read from val was never initialized.

libavcodec/v210enc.c:95:13: 
93.         }
94.         if (w < avctx->width - 3) {
95.             val |= (CLIP(*u++) << 10) | (CLIP(*y++) << 20);
                ^
96.             bytestream_put_le32(&p, val);
97. 
