libavcodec/v210dec.c:93: error: Uninitialized Value
  The value read from val was never initialized.

libavcodec/v210dec.c:93:13: 
91.         }
92.         if (w < avctx->width - 3) {
93.             *u++ = (val >> 10) & 0x3FF;
                ^
94.             *y++ = (val >> 20) & 0x3FF;
95. 
