-audio_init_prototype = CFUNCTYPE(py_object, c_void_p, c_int, c_int, c_int)
-audio_set_volume_prototype = CFUNCTYPE(None, c_void_p, c_void_p, c_float)
-audio_process_prototype = CFUNCTYPE(None, c_void_p, c_void_p, c_void_p, c_int)
-audio_flush_prototype = CFUNCTYPE(None, c_void_p, c_void_p)
-audio_destroy_prototype = CFUNCTYPE(None, c_void_p, c_void_p)
+audio_init_prototype = CFUNCTYPE(py_object, c_void_p, c_int, c_int, c_int)
+audio_process_prototype = CFUNCTYPE(None, c_void_p, c_void_p, c_void_p, c_int)
+audio_destroy_prototype = CFUNCTYPE(None, c_void_p, c_void_p)
+
+audio_flush_prototype = CFUNCTYPE(None, c_void_p, c_void_p)
+audio_set_volume_prototype = CFUNCTYPE(None, c_void_p, c_void_p, c_float)
+audio_set_metadata_prototype = CFUNCTYPE(None, c_void_p, c_void_p, c_void_p, c_int)
+audio_set_coverart_prototype = CFUNCTYPE(None, c_void_p, c_void_p, c_void_p, c_int)