libavcodec/eatgv.c:121: error: Uninitialized Value
  The value read from offset was never initialized.

libavcodec/eatgv.c:121:17: 
119. 
120.         if (size2>0) {
121.             if (dst-dst_start<offset)
                     ^
122.                 return 0;
123.             size -= size2;
