selectable output

tools/fourier/cli.py

@@ -75,6 +75,9 @@ def main():
                                  const=True,
                                  default=False
                                  )
+    stations_parser.add_argument('-output', dest='audio_output',
+                                 type=int, default=0
+                                 )
 
     args = parser.parse_args()
     action = args.action
@@ -178,7 +181,7 @@ def main():
 
             audio = pyaudio.PyAudio()
             stream = audio.open(format=pyaudio.paInt16,
-                                output_device_index=0,
+                                output_device_index=args.audio_output,
                                 channels=1,
                                 rate=44100,
                                 output=True)