Fixed things in game menu

gamemenu.py

@@ -6,6 +6,8 @@ import enum
 import threading
 import argparse
 import subprocess
+import socket
+import struct
 import blup.frame
 import blup.output
 
@@ -29,7 +31,7 @@ class Game(object):
         if self.pygame:
             args += ['--pygame']
         if self.output is not None:
-            args += ['--output', self.output]
+            args += ['--out', self.output]
         return  args
 
 class PongGame(Game):
@@ -257,7 +259,9 @@ class BalanceInput(AbstractInput, threading.Thread):
                     print('player_id=%d debounce %s' % (self.player_id, evt))
                     continue
 
-                self.evt = evt
+                if self.lastevent != evt:
+                    self.evt = evt
+                self.lastevent = evt
                 print('player_id=%d event=%s' % (self.player_id, self.evt))
 
             else: