libavcodec/dvdsubenc.c:188: error: Uninitialized Value
  The value read from offset1[_] was never initialized.

libavcodec/dvdsubenc.c:188:9: 
186.         *q++ = 0x06;
187.         // offset1, offset2
188.         bytestream_put_be16(&q, offset1[object_id]);
             ^
189.         bytestream_put_be16(&q, offset2[object_id]);
190.     }
