recordingbin = gst.element_factory_make("bin")
src = gst.element_factory_make("alsasrc")
src.set_property("device", device)
	
#recordingbin = gst.parse_launch("bin.( alsasrc device=%s %s )"%(device, output))

capsfilter = gst.element_factory_make("capsfilter", "recordingcaps")
caps = gst.caps_from_string("audio/x-raw-int,rate=8000,channels=2,width=16,depth=16,signed=(boolean)true")
capsfilter.set_property("caps", caps)
recordingbin.add(src)
recordingbin.add(capsfilter)
src.link(capsfilter)