libavcodec/dxv.c:129: error: Uninitialized Value
  The value read from value was never initialized.

libavcodec/dxv.c:129:9: 
127.     /* Process input until the whole texture has been filled */
128.     while (pos + 2 <= ctx->tex_size / 4) {
129.         CHECKPOINT(2);
             ^
130. 
131.         /* Copy two elements from a previous offset or from the input buffer */
