id3v1_set_string  555 libavformat/mp3.c     count += id3v1_set_string(s, "title",   buf +  3, 30);
id3v1_set_string  556 libavformat/mp3.c     count += id3v1_set_string(s, "author",  buf + 33, 30);
id3v1_set_string  557 libavformat/mp3.c     count += id3v1_set_string(s, "album",   buf + 63, 30);
id3v1_set_string  558 libavformat/mp3.c     count += id3v1_set_string(s, "year",    buf + 93,  4);
id3v1_set_string  559 libavformat/mp3.c     count += id3v1_set_string(s, "comment", buf + 97, 30);