Man pages sections > man3 > Audio::CD

Audio::CD - Perl interface to libcdaudio (cd + cddb)

CD(3pm) User Contributed Perl Documentation CD(3pm)

NAME

Audio::CD - Perl interface to libcdaudio (cd + cddb)

SYNOPSIS

  use Audio::CD ();
  my $cd = Audio::CD->init;

DESCRIPTION

Audio::CD provides a Perl interface to libcdaudio by Tony Arcieri, available from http://cdcd.undergrid.net/
Several classes provide glue for the libcdaudio functions and data structures.

Audio::CD Class

init
Initialize the Audio::CD object:
 
 my $cd = Audio::CD->init;
    
stat
Stat the Audio::CD object, returns an Audio::CD::Info object.
 
 my $info = $cd->stat;
    
cddb
Returns an Audio::CDDB object.
 
 my $cddb = $cd->cddb;
    
play
Play the given cd track (defaults to 1).
 
 $cd->play(1);
    
stop
Stop the cd.
 
 $cd->stop;
    
pause
Pause the cd.
 
 $cd->pause;
    
resume
Resume the cd.
 
 $cd->resume;
    
eject
Eject the cd.
 
 $cd->eject;
    
close
Close the cd tray.
 
 $cd->close;
    
play_frames
 $cd->play_frames($startframe, $endframe);
    
play_track_pos
 $cd->play_track_pos($strarttrack, $endtrack, $startpos);
    
play_track
 $cd->play_track($strarttrack, $endtrack);
    
track_advance
 $cd->track_advance($endtrack, $minutes, $seconds);
    
advance
 $cd->advance($minutes, $seconds);
    
get_volume
Returns an Audio::CD::Volume object.
 
 my $vol = $cd->get_volume;
    
set_volume
 $cd->set_volume($vol);
    

Audio::CDDB Class

discid
 my $id = $cddb->discid;
    
lookup
Does a cddb lookup and returns an Audio::CD::Data object.
 
 my $data = $cddb->lookup;
    

Audio::CD::Data Class

artist
 my $artist = $data->artist;
    
title
 my $title = $data->title;
    
genre
 my $genre = $data->genre;
    
tracks
Returns an array reference of Audio::CD::Track objects.
 
 my $foo = $data->tracks($info);
 my @tracks = @$foo;
    

Audio::CD::Track Class

name
 my $name = $track->name;
    

Audio::CD::Info Class

mode
Returns the CD mode, one of PLAYING, PAUSED, COMPLETED, NOSTATUS;
 
 my $track = $info->mode;
 print "playing" if $info->mode == Audio::CD::PLAYING;
    
present
Returns true if a disc is present.
 
 $cd->play if $info->present;
    
current_track
Returns the current track number being played or paused.
 
 my $track = $info->current_track;
    
first_track
Returns the number of the first track on the CD.
 
 my $track = $info->first_track;
    
total_tracks
Returns the total number of tracks on the cd.
 
 my $track = $info->total_tracks;
    
track_time
Returns the current track play time:
 
 my($minutes, $seconds) = $info->track_time;
    
time
Returns the current disc play time:
 
 my($minutes, $seconds) = $info->time;
    
length
Returns the disc length time:
 
 my($minutes, $seconds) = $info->length;
    
tracks
Returns an array reference of Audio::CD::Info::Track objects.
 
 my $foo = $info->tracks;
 my @tracks = @$foo;
    

Audio::CD::Info::Track Class

length
Returns the track length time:
 
 my($minutes, $seconds) = $tinfo->length;
    
pos
Returns the track position on the CD:
 
 my($minutes, $seconds) = $tinfo->pos;
    
type
Returns the track type (either TRACK_AUDIO or TRACK_DATA):
 
 if ($tinfo->type == Audio::CD::TRACK_AUDIO) {
   print "audio track\n";
 } elsif ($tinfo->type == Audio::CD::TRACK_DATA) {
   print "data track\n";
 }
    
is_audio
Returns true if the track is an audio track; equivalent to the test:
 
 $tinfo->type == Audio::CD::TRACK_AUDIO ? 1 : 0
    
is_data
Returns true if the track is a data track; equivalent to the test:
 
 $tinfo->type == Audio::CD::TRACK_DATA ? 1 : 0
    

SEE ALSO

Xmms(3)

AUTHOR

Perl interface by Doug MacEachern
libcdaudio and cddb_lookup.c by Tony Arcieri
2017-07-22 perl v5.26.0