1SDL::CD(3)            User Contributed Perl Documentation           SDL::CD(3)
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NAME

6       SDL::CD -- SDL Bindings for structure SDL_CD
7

CATEGORY

9       Core, CDROM, Structure
10

SYNOPSIS

12        use SDL;
13        use SDL::CDROM;
14        use SDL::CD;
15
16        SDL::init(SDL_INIT_CDROM);
17
18        my $drives = SDL::CDROM::num_drives;
19
20        if( $drives > 0 )
21        {
22         my $CD = SDL::CD->new( 0 );
23
24          if($CD)
25          {
26               ...
27          }
28
29        }
30

CONSTANTS

32       The constants are exported by default. You can avoid this by doing:
33
34        use SDL::CD ();
35
36       and access them directly:
37
38        SDL::CD::CD_TRAYEMPTY;
39
40       or by choosing the export tags below:
41
42       Export tag: ':status'
43
44        CD_TRAYEMPTY
45        CD_STOPPED
46        CD_PLAYING
47        CD_PAUSED
48        CD_ERROR
49
50       Export tag: ':defaults'
51
52        CD_FPS
53        SDL_MAX_TRACKS
54

METHOD

56   new
57        my $CD = SDL::CD->new($drive)
58
59       Makes a new SDL::CD object. Returns "undef" if the drive is busy or
60       inaccessible.
61
62   status
63        my $status = $CD->status();
64
65       Returns the current status of the CD tray
66
67       Returns on of the following constants:
68
69       •   CD_TRAYEMPTY
70
71       •   CD_STOPPED
72
73       •   CD_PLAYING
74
75       •   CD_PAUSED
76
77       •   CD_ERROR
78
79   play_tracks
80        $CD->play_tracks($start_track, $start_frame, $ntracks, $nframes)
81
82       Plays the given SDL::CD starting at track $start_track, for $ntracks
83       tracks.
84
85       $start_frame is the frame offset, from the beginning of the
86       $start_track, at which to start. $nframes is the frame offset, from the
87       beginning of the last track ($start_track+$ntracks), at which to end
88       playing.
89
90       play_tracks() should only be called after calling "status" to get
91       information about the CD.
92
93       Note: Data tracks are ignored.
94
95       Returns 0, or "-1" if there was an error.
96
97   play
98        $CD->play($start, $length);
99
100       Plays the given SDL::CD , starting a frame $start for $length frames.
101
102       Returns 0 on success, "-1" on error
103
104   pause
105        $CD->pause();
106
107       Pauses play on CD
108
109       Returns 0 on success, or "-1" on an error.
110
111   resume
112        $CD->resume();
113
114       Returns 0 on success, or "-1" on an error.
115
116   stop
117        $CD->stop();
118
119       Stops play on the CD.
120
121       Returns 0 on success, or "-1" on an error.
122
123   eject
124        $CD->eject();
125
126       Ejects the CD.
127
128       Returns 0 on success, or "-1" on an error.
129
130   id
131        $CD->id();
132
133       Private drive identifier
134
135   num_tracks
136        $CD->num_tracks();
137
138       Number of tracks on the CD
139
140   cur_track
141        $CD->cur_track();
142
143       Current track on the CD;
144
145   track
146        my $track =  $CD->track($number);
147
148       Retrieves track description of track $number in CD. See SDL::CDTrack.
149
150   FRAMES_TO_MSF
151        my ($min, $sec, $fra) = FRAMES_TO_MSF($frames);
152
153       Conversion functions from frames to Minute/Second/Frames
154
155   MSF_TO_FRAMES
156        my $frames = MSF_TO_FRAMES($min, $sec, $fra);
157

SEE ALSO

159       SDL::CDROM, SDL::CDTrack
160

AUTHORS

162       See "AUTHORS" in SDL.
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166perl v5.34.0                      2021-07-22                        SDL::CD(3)
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