The audio stream is now only being opened once, and not opened and closed on each get_audio_data() call, see comments.  Also some cleanup.
The audio stream is now only being opened once, and not opened and closed on
each get_audio_data() call, see comments.  Also some cleanup.


tommy-u/chaco,tommy-u/chaco,burnpanck/chaco,tommy-u/chaco,burnpanck/chaco,ContinuumIO/chaco,ContinuumIO/chaco,ContinuumIO/chaco,burnpanck/chaco,ContinuumIO/chaco