libavformat/mpeg.c:532: error: Uninitialized Value
  The value read from dvdaudio_substream_type was never initialized.

libavformat/mpeg.c:532:33: 
530.         goto skip;
531.     if ((startcode >= 0xa0 && startcode <= 0xaf) ||
532.         (startcode == 0x1bd && ((dvdaudio_substream_type & 0xe0) == 0xa0))) {
                                     ^
533.         int b1, freq;
534. 
