# Initialize and configure the mixer API
	#
	# Playback is configured with:
	# * The output sample `frequency`, in samples per second (Hz).
	# * The output sample `format`, may be `mix_default_format`.
	# * The number of sound `channels`, 1 for mono or 2 for stereo.
	# * The number of bytes used by output sample size as `chunk_size`.
	fun open_audio(frequency: Int, format: MixFormat, channels, chunk_size: Int): Bool `{
		return Mix_OpenAudio(frequency, format, channels, chunk_size) == 0;
	`}