Device::Cdio::Track(3pm) User Contributed Perl Documentation Device::Cdio::Track(3pm)
NAME
Device::Cdio::Track - Class for track aspects of Device::Cdio.
SYNOPSIS
use Device::Cdio::Device;
use Device::Cdio::Track;
$device = Device::Cdio::Device->new(-source=>'/dev/cdrom');
$track = $device->get_last_track();
print "track: %d, last lsn: %d
", $track->{track}, track->get_last_lsn();
$track = $device->get_first_track();
$format = $rackt->get_format();
METHODS
new
new(device, track)->object
Creates a new track object.
get_audio_channels
get_audio_channels(cdio, track)->int
Return number of channels in track: 2 or 4. Not meaningful if track is not an audio track. -1 is returned on error and -2 if the driver
doesn't support the operation.
get_copy_permit
get_copy_permit(cdio, track)->int
Return copy protection status on a track. Is this meaningful not an audio track?
get_format
get_format()->$format
Get the format (e.g. 'audio', 'mode2', 'mode1') of track.
get_last_lsn
get_last_lsn()->lsn
Return the ending LSN for a track $perlcdio::INVALID_LSN is returned on error.
get_lba
get_lba()->lba
Return the starting LBA for a track $perlcdio::INVALID_LBA is returned on error.
get_lsn
get_lsn()->lsn
Return the starting LSN for a track $perlcdio::INVALID_LSN is returned on error.
get_msf
get_msf()
Return the starting MSF (minutes/secs/frames) for track number track. Track numbers usually start at something greater than 0, usually 1.
Returns string of the form mm:ss:ff if all good, or string 'error' on error.
get_preemphasis
get_preemphasis()->result
Get linear preemphasis status on an audio track. This is not meaningful if not an audio track?
get_track_sec_count
item get_track_sec_count()->int Get the number of sectors between this track an the next. This includes any pregap sectors before the
start of the next track. Track numbers usually start at something greater than 0, usually 1.
$perlcdio::INVALID_LSN is returned on error.
is_track_green
is_track_green(cdio, track) -> bool
Return True if we have XA data (green, mode2 form1) or XA data (green, mode2 form2). That is track begins:
sync - header - subheader
12 4 - 8
get_track_isrc
$isrc = $track->get_track_isrc;
Returns an empty string or the International Standard Recording Code. Which is presented in 4 hyphen separated substrings: "CC-XXX-YY-
NNNNN"
"CC" two-character ISO 3166-1 alpha-2 country code "XXX" is a three character alphanumeric registrant code "YY" is the last two digits of
the year of registration
(NB not necessarily the date the recording was made) "NNNNN" is a unique 5-digit number identifying the particular sound recording.
set_track
set_track(track_num)
Set a new track number.
SEE ALSO
Device::Cdio is the top-level module, Device::Cdio::Device is a class device objects, and Device::Cdio::ISO9660 for working with ISO9660
systems.
perlcdio is the lower-level interface to libcdio.
<http://www.gnu.org/software/libcdio/doxygen/track_8h.html> is documentation via doxygen of "libiso9660".
AUTHORS
Rocky Bernstein "<rocky at cpan.org>".
COPYRIGHT
Copyright (C) 2006 Rocky Bernstein <rocky@cpan.org>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
perl v5.14.2 2012-06-22 Device::Cdio::Track(3pm)