libavformat/movenc.c:3733: error: Uninitialized Value
  The value read from enabled[_] was never initialized.

libavformat/movenc.c:3733:13: 
3731.         if (st->disposition & AV_DISPOSITION_DEFAULT) {
3732.             mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3733.             enabled[st->codecpar->codec_type]++;
                  ^
3734.         }
3735.     }
