libavcodec/alsdec.c:656: error: Uninitialized Value
  The value read from s[_] was never initialized.

libavcodec/alsdec.c:656:34: 
654.         for (sb = 0; sb < sub_blocks; sb++, start = 0)
655.             for (; start < sb_length; start++)
656.                 *current_res++ = decode_rice(gb, s[sb]);
                                      ^
657.      }
658. 
