libavcodec/rv34.c:1409: error: Uninitialized Value
  The value read from si.type was never initialized.

libavcodec/rv34.c:1409:18: 
1407.                 r->si.end = si.start;
1408.         }
1409.         if(!i && si.type == FF_B_TYPE && (!s->last_picture_ptr || !s->last_picture_ptr->data[0]))
                       ^
1410.             return -1;
1411.         last = rv34_decode_slice(r, r->si.end, buf + offset, size);
