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NAME
    AudioCD::Mac - MacPerl extension for controlling Audio CDs

SYNOPSIS
        use AudioCD;
        my $cd = new AudioCD;
        $cd->volume(255);
        $cd->play();

DESCRIPTION
    This is the MacPerl module to be used by the `AudioCD' module. Other
    modules can be written for other platforms, but this one is Mac
    specific, calling Mac OS APIs to control the CD player.

FUNCTIONS
    All functions except for `new' are methods that need to be called via
    the `AudioCD' object. All functions attempt to return `undef' and set
    `$^E' on failure, and unless otherwise specified, return `1' on
    success.

    Note that the data returned from the Mac OS APIs is often in BCD
    format, but the functions that return track and time data convert it
    to decimal.

    new Should be called from `AudioCD', not `AudioCD::Mac', but should work
        either way. Returns the object.

    status
        Returns the current status of the CD, one of: CD_PLAY, CD_PAUSE,
        CD_MUTE, CD_FINISH, CD_ERR, CD_STOP, CD_OFFLINE.

    info
        Returns an array of information about the CD, with two sets of
        times, one for the current track, one for the disc. The first item
        in the list is the current track number.

            #  0          1       2        3         4       5        6
            ($t_number, $t_min, $t_sec, $t_frames, $a_min, $a_sec, $a_frames)
                = $cd->info;

    play([TRACK])
        If called without a track number, will start from the first track
        if stopped, or continue if paused. Otherwise will start at
        specified track number, and continue until the CD is finished.

    stop
        Stops the CD. Time settings will likely be left at last play
        point, not at beginning of CD.

    pause
        Will pause the CD if it is playing, or continue playing if paused.

    continue
        Will continue playing if paused.

    eject
        Will eject the CD drive. Will not unmount the volume (yet), so
        don't use this unless the drive is empty.

    volume([LEFT_VOLUME [, RIGHT_VOLUME]])
        Sets the left and right channels to a valume from 0 to 255.
        Returns the left and right channel volumes, unless the two have
        the same value and the method is called in a scalar context, in
        which case it returns just one value.

        If `RIGHT_VOLUME' is not supplied, it will be set to the same
        value as supplied in `LEFT_VOLUME'. If not values are supplied,
        the current volume value(s) will be returned, and will remain
        unchanged.

    cd_toc
        Returns the table of contents in an anonymous array, where each
        element is another anonymous array, containing the track number
        [0] and the track's starting time offset from the beginning of the
        CD in minutes [1], seconds [2], and frames [3].

    cddb_toc
        Returns the same as above, but in a format suitable for passing to
        the `CDDB' module.

    last_track
        Ideally, returns the last audio track number on the CD. If this
        turns out to be wrong, let me know.

TODO
    Add support for multiple drives
    Add support for moving forward/backward in tracks, and scanning.
    Add support for modes (stereo/mono/etc., random/program/repeat/etc.)
BUGS
    `eject' is busted.  Kinda works, except for when it totally crashes
    the computer.
AUTHOR
    Chris Nandor <pudge@pobox.com> http://pudge.net/

    Copyright (c) 1998 Chris Nandor. All rights reserved. This program is
    free software; you can redistribute it and/or modify it under the same
    terms as Perl itself. Please see the Perl Artistic License.

VERSION
    v0.20, Wednesday, December 9, 1998
        Renamed to `AudioCD', added controls for Audio CD.

    v0.10, Thursday, October 8, 1998
        First version, made for Mac OS to get CDDB TOC data.

SEE ALSO
    CDDB.pm.

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