libavcodec/mlpdec.c:992: error: Uninitialized Value
  The value read from substream_data_len[_] was never initialized.

libavcodec/mlpdec.c:992:13: 
990. 
991.         skip_bits(&gb, (-get_bits_count(&gb)) & 15);
992.         if (substream_data_len[substr] * 8 - get_bits_count(&gb) >= 32 &&
                 ^
993.             (show_bits_long(&gb, 32) == END_OF_STREAM ||
994.              show_bits_long(&gb, 20) == 0xd234e)) {
