id3v1_set_string   59 libavformat/mp3enc.c     count += id3v1_set_string(s, "TIT2",    buf +  3, 30 + 1);       //title
id3v1_set_string   60 libavformat/mp3enc.c     count += id3v1_set_string(s, "TPE1",    buf + 33, 30 + 1);       //author|artist
id3v1_set_string   61 libavformat/mp3enc.c     count += id3v1_set_string(s, "TALB",    buf + 63, 30 + 1);       //album
id3v1_set_string   73 libavformat/mp3enc.c     count += id3v1_set_string(s, "comment", buf + 97, 30 + 1);