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`pygame.cdrom`
  pygame module for audio cdrom control

  Warning

  This module is non functional in pygame 2.0 and above, unless you have manually compiled pygame with SDL1. This module will not be supported in the future. One alternative for python cdrom functionality is pycdio.

  The cdrom module manages the `CD` and `DVD` drives on a computer. It can also control the playback of audio CDs. This module needs to be initialized before it can do anything. Each `CD` object you create represents a cdrom drive and must also be initialized individually before it can do most things.

  pygame.cdrom.init()
    initialize the cdrom module
    init() -> None

    Initialize the cdrom module. This will scan the system for all `CD` devices. The module must be initialized before any other functions will work. This automatically happens when you call `pygame.init()`.

    It is safe to call this function more than once.

  pygame.cdrom.quit()
    uninitialize the cdrom module
    quit() -> None

    Uninitialize the cdrom module. After you call this any existing `CD` objects will no longer work.

    It is safe to call this function more than once.

  pygame.cdrom.get_init()
    true if the cdrom module is initialized
    get_init() -> bool

    Test if the cdrom module is initialized or not. This is different than the `CD.init()` since each drive must also be initialized individually.

  pygame.cdrom.get_count()
    number of cd drives on the system
    get_count() -> count

    Return the number of cd drives on the system. When you create `CD` objects you need to pass an integer id that must be lower than this count. The count will be 0 if there are no drives on the system.

  pygame.cdrom.CD
    class to manage a cdrom drive
    CD(id) -> CD

    You can create a `CD` object for each cdrom on the system. Use `pygame.cdrom.get_count()` to determine how many drives actually exist. The id argument is an integer of the drive, starting at zero.

    The `CD` object is not initialized, you can only call `CD.get_id()` and `CD.get_name()` on an uninitialized drive.

    It is safe to create multiple `CD` objects for the same drive, they will all cooperate normally.

    init()
      initialize a cdrom drive for use
      init() -> None

      Initialize the cdrom drive for use. The drive must be initialized for most `CD` methods to work. Even if the rest of pygame has been initialized.

      There may be a brief pause while the drive is initialized. Avoid `CD.init()` if the program should not stop for a second or two.

    quit()
      uninitialize a cdrom drive for use
      quit() -> None

      Uninitialize a drive for use. Call this when your program will not be accessing the drive for awhile.

    get_init()
      true if this cd device initialized
      get_init() -> bool

      Test if this `CDROM` device is initialized. This is different than the `pygame.cdrom.init()` since each drive must also be initialized individually.

    play()
      start playing audio
      play(track, start=None, end=None) -> None

      Playback audio from an audio cdrom in the drive. Besides the track number argument, you can also pass a starting and ending time for playback. The start and end time are in seconds, and can limit the section of an audio track played.

      If you pass a start time but no end, the audio will play to the end of the track. If you pass a start time and 'None' for the end time, the audio will play to the end of the entire disc.

      See the `CD.get_numtracks()` and `CD.get_track_audio()` to find tracks to playback.

      Note, track 0 is the first track on the `CD`. Track numbers start at zero.

    stop()
      stop audio playback
      stop() -> None

      Stops playback of audio from the cdrom. This will also lose the current playback position. This method does nothing if the drive isn't already playing audio.

    pause()
      temporarily stop audio playback
      pause() -> None

      Temporarily stop audio playback on the `CD`. The playback can be resumed at the same point with the `CD.resume()` method. If the `CD` is not playing this method does nothing.

      Note, track 0 is the first track on the `CD`. Track numbers start at zero.

    resume()
      unpause audio playback
      resume() -> None

      Unpause a paused `CD`. If the `CD` is not paused or already playing, this method does nothing.

    eject()
      eject or open the cdrom drive
      eject() -> None

      This will open the cdrom drive and eject the cdrom. If the drive is playing or paused it will be stopped.

    get_id()
      the index of the cdrom drive
      get_id() -> id

      Returns the integer id that was used to create the `CD` instance. This method can work on an uninitialized `CD`.

    get_name()
      the system name of the cdrom drive
      get_name() -> name

      Return the string name of the drive. This is the system name used to represent the drive. It is often the drive letter or device name. This method can work on an uninitialized `CD`.

    get_busy()
      true if the drive is playing audio
      get_busy() -> bool

      Returns True if the drive busy playing back audio.

    get_paused()
      true if the drive is paused
      get_paused() -> bool

      Returns True if the drive is currently paused.

    get_current()
      the current audio playback position
      get_current() -> track, seconds

      Returns both the current track and time of that track. This method works when the drive is either playing or paused.

      Note, track 0 is the first track on the `CD`. Track numbers start at zero.

    get_empty()
      False if a cdrom is in the drive
      get_empty() -> bool

      Return False if there is a cdrom currently in the drive. If the drive is empty this will return True.

    get_numtracks()
      the number of tracks on the cdrom
      get_numtracks() -> count

      Return the number of tracks on the cdrom in the drive. This will return zero of the drive is empty or has no tracks.

    get_track_audio()
      true if the cdrom track has audio data
      get_track_audio(track) -> bool

      Determine if a track on a cdrom contains audio data. You can also call `CD.num_tracks()` and `CD.get_all()` to determine more information about the cdrom.

      Note, track 0 is the first track on the `CD`. Track numbers start at zero.

    get_all()
      get all track information
      get_all() -> [(audio, start, end, length), ...]

      Return a list with information for every track on the cdrom. The information consists of a tuple with four values. The audio value is True if the track contains audio data. The start, end, and length values are floating point numbers in seconds. Start and end represent absolute times on the entire disc.

    get_track_start()
      start time of a cdrom track
      get_track_start(track) -> seconds

      Return the absolute time in seconds where at start of the cdrom track.

      Note, track 0 is the first track on the `CD`. Track numbers start at zero.

    get_track_length()
      length of a cdrom track
      get_track_length(track) -> seconds

      Return a floating point value in seconds of the length of the cdrom track.

      Note, track 0 is the first track on the `CD`. Track numbers start at zero.

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