libavcodec/mpeg12.c:125: error: Uninitialized Value
  The value read from re_size_plus8 was never initialized.

libavcodec/mpeg12.c:125:62: 
123.                 level = SHOW_SBITS(re, &s->gb, 8); SKIP_BITS(re, &s->gb, 8);
124.                 if (level == -128) {
125.                     level = SHOW_UBITS(re, &s->gb, 8) - 256; LAST_SKIP_BITS(re, &s->gb, 8);
                                                                  ^
126.                 } else if (level == 0) {
127.                     level = SHOW_UBITS(re, &s->gb, 8)      ; LAST_SKIP_BITS(re, &s->gb, 8);
