libavcodec/v210enc.c:93: error: Uninitialized Value
  The value read from val was never initialized.

libavcodec/v210enc.c:93:13: 
91.         }
92.         if (w < avctx->width - 3) {
93.             val |= (CLIP(*u++) << 10) | (CLIP(*y++) << 20);
                ^
94.             bytestream2_put_le32u(&p, val);
95. 
