'Set decoded audio format.
This only works in combination with L{audio_set_callbacks}(),
and is mutually exclusive with L{audio_set_format_callbacks}().
@param format: a four-characters string identifying the sample format (e.g. "S16N" or "FL32").
@param rate: sample rate (expressed in Hz).
@param channels: channels count.
@version: LibVLC 2.0.0 or later.'

def audio_set_format(self, format, rate, channels):

    return libvlc_audio_set_format(self, str_to_bytes(format), rate, channels)
