# Audio Engine Plugin Development

Parent Class: plugin.AudioEnginePlugin
Required Methods:
get_devices(device_type=audioengine.DEVICE_TYPE_ALL)
    Parameters:
      The device_type parameter can be passed one of the following values:
        naomi.audioengine.DEVICE_TYPE_INPUT
        naomi.audioengine.DEVICE_TYPE_OUTPUT
        naomi.audioengine.DEVICE_TYPE_ALL
    Returns list of AudioDevice objects

get_default_device(output=True)
    Parameters:
      output can be either True (return output device) or False
    Returns an AudioDevice object

get_device_by_slug(slug)
    Parameters:
      slug is a string that describes an audio device
    Returns an AudioDevice object

Each AudioEngine has to define its own AudioDevice object as well.