NAME¶
SDL::CD -- SDL Bindings for structure SDL_CD
CATEGORY¶
Core, CDROM, Structure
SYNOPSIS¶
use SDL;
use SDL::CDROM;
use SDL::CD;
SDL::init(SDL_INIT_CDROM);
my $drives = SDL::CDROM::num_drives;
if( $drives > 0 )
{
my $CD = SDL::CD->new( 0 );
if($CD)
{
...
}
}
CONSTANTS¶
The constants are exported by default. You can avoid this by doing:
use SDL::CD ();
and access them directly:
SDL::CD::CD_TRAYEMPTY;
or by choosing the export tags below:
Export tag: ':status'
CD_TRAYEMPTY
CD_STOPPED
CD_PLAYING
CD_PAUSED
CD_ERROR
Export tag: ':defaults'
CD_FPS
SDL_MAX_TRACKS
METHOD¶
new¶
my $CD = SDL::CD->new($drive)
Makes a new SDL::CD object. Returns "undef" if the drive is busy or
inaccessible.
status¶
my $status = $CD->status();
Returns the current status of the CD tray
Returns on of the following constants:
- •
- CD_TRAYEMPTY
- •
- CD_STOPPED
- •
- CD_PLAYING
- •
- CD_PAUSED
- •
- CD_ERROR
play_tracks¶
$CD->play_tracks($start_track, $start_frame, $ntracks, $nframes)
Plays the given SDL::CD starting at track $start_track, for $ntracks tracks.
$start_frame is the frame offset, from the beginning of the $start_track, at
which to start. $nframes is the frame offset, from the beginning of the last
track ($start_track+$ntracks), at which to end playing.
play_tracks() should only be called after calling "status" to
get information about the CD.
Note: Data tracks are ignored.
Returns 0, or "-1" if there was an error.
play¶
$CD->play($start, $length);
Plays the given SDL::CD , starting a frame $start for $length frames.
Returns 0 on success, "-1" on error
pause¶
$CD->pause();
Pauses play on CD
Returns 0 on success, or "-1" on an error.
resume¶
$CD->resume();
Returns 0 on success, or "-1" on an error.
stop¶
$CD->stop();
Stops play on the CD.
Returns 0 on success, or "-1" on an error.
eject¶
$CD->eject();
Ejects the CD.
Returns 0 on success, or "-1" on an error.
$CD->id();
Private drive identifier
num_tracks¶
$CD->num_tracks();
Number of tracks on the CD
cur_track¶
$CD->cur_track();
Current track on the CD;
track¶
my $track = $CD->track($number);
Retrieves track description of track $number in CD. See SDL::CDTrack.
FRAMES_TO_MSF¶
my ($min, $sec, $fra) = FRAMES_TO_MSF($frames);
Conversion functions from frames to Minute/Second/Frames
MSF_TO_FRAMES¶
my $frames = MSF_TO_FRAMES($min, $sec, $fra);
SEE ALSO¶
SDL::CDROM, SDL::CDTrack
AUTHORS¶
See "AUTHORS" in SDL.