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.\"
.IX Title "MP3::Tag::CDDB_File 3pm"
.TH MP3::Tag::CDDB_File 3pm "2017-07-12" "perl v5.24.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
MP3::Tag::CDDB_File \- Module for parsing CDDB files.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&  my $db = MP3::Tag::CDDB_File\->new($filename, $track); # Name of audio file
\&  my $db = MP3::Tag::CDDB_File\->new_from($record, $track); # Contents of CDDB 
\&
\&  ($title, $artist, $album, $year, $comment, $track) = $db\->parse();
.Ve
.PP
see MP3::Tag
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
MP3::Tag::CDDB_File is designed to be called from the MP3::Tag module.
.PP
It parses the content of \s-1CDDB\s0 file.
.PP
The file is found in the same directory as audio file; the list of possible
file names is taken from the field \f(CW\*(C`cddb_files\*(C'\fR if set by MP3::Tag \fIconfig()\fR
method.
.IP "\fIparse()\fR" 4
.IX Item "parse()"
.Vb 2
\&  ($title, $artist, $album, $year, $comment, $track) =
\&     $db\->parse($what);
.Ve
.Sp
\&\fIparse_filename()\fR extracts information about artist, title, track number,
album and year from the \s-1CDDB\s0 record.  \f(CW$what\fR is optional; it maybe title,
track, artist, album, year, genre or comment. If \f(CW$what\fR is defined \fIparse()\fR will return
only this element.
.Sp
Additionally, \f(CW$what\fR can take values \f(CW\*(C`artist_collection\*(C'\fR (returns the value of
artist in the disk-info field \s-1DTITLE,\s0 but only if author is specified in the
track-info field \s-1TTITLE\s0), \f(CW\*(C`title_track\*(C'\fR (returns the title specifically from
track-info field \- the \f(CW\*(C`track\*(C'\fR may fall back to the info from disk-info
field), \f(CW\*(C`comment_collection\*(C'\fR (processed \s-1EXTD\s0 comment), \f(CW\*(C`comment_track\*(C'\fR
(processed \s-1EXTT\s0 comment).
.Sp
The returned year and genre is taken from \s-1DYEAR, DGENRE, EXTT, EXTD\s0 fields;
recognized prefixes in the two last fields are \s-1YEAR, ID3Y, ID3G.\s0
The declarations of this form are stripped from the returned comment.
.Sp
An alternative
syntax \*(L"Recorded\*(R"/\*(L"Recorded on\*(R"/\*(L"Recorded in\*(R"/ is also supported; the format
of the date recognized by \fIID3v2::year()\fR, or just a date field without a prefix.
.IP "\fItitle()\fR" 4
.IX Item "title()"
.Vb 1
\& $title = $db\->title();
.Ve
.Sp
Returns the title, obtained from the \f(CW\*(AqTracktitle\*(Aq\fR entry of the file.
.IP "\fIartist()\fR" 4
.IX Item "artist()"
.Vb 1
\& $artist = $db\->artist();
.Ve
.Sp
Returns the artist name, obtained from the \f(CW\*(AqPerformer\*(Aq\fR or
\&\f(CW\*(AqAlbumperformer\*(Aq\fR entries (the first which is present) of the file.
.IP "\fItrack()\fR" 4
.IX Item "track()"
.Vb 1
\& $track = $db\->track();
.Ve
.Sp
Returns the track number, stored during object creation, or queried from
the parent.
.IP "\fIyear()\fR" 4
.IX Item "year()"
.Vb 1
\& $year = $db\->year();
.Ve
.Sp
Returns the year, obtained from the \f(CW\*(AqYear\*(Aq\fR entry of the file.  (Often
not present.)
.IP "\fIalbum()\fR" 4
.IX Item "album()"
.Vb 1
\& $album = $db\->album();
.Ve
.Sp
Returns the album name, obtained from the \f(CW\*(AqAlbumtitle\*(Aq\fR entry of the file.
.IP "\fIcomment()\fR" 4
.IX Item "comment()"
.Vb 1
\& $comment = $db\->comment();
.Ve
.Sp
Returns the \f(CW\*(AqTrackcomment\*(Aq\fR entry of the file.  (Often not present.)
.IP "\fIgenre()\fR" 4
.IX Item "genre()"
.Vb 1
\& $genre = $db\->genre($filename);
.Ve
.SH "POD ERRORS"
.IX Header "POD ERRORS"
Hey! \fBThe above document had some coding errors, which are explained below:\fR
.IP "Around line 36:" 4
.IX Item "Around line 36:"
=over without closing =back