From 2b93c4356e051e32c14c227107994cdea334e59a Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Sun, 20 Nov 2011 21:41:57 +0000
Subject: fix logic error that was preventing multiple exposures to be taken

---
diff --git a/plugins/camera_sensor/tacamera.py b/plugins/camera_sensor/tacamera.py
index 72c1c69..77752ac 100644
--- a/plugins/camera_sensor/tacamera.py
+++ b/plugins/camera_sensor/tacamera.py
@@ -39,7 +39,6 @@ class Camera():
         self.bus = self.pipe.get_bus()
         self.bus.add_signal_watch()
         self.bus.connect('message', self._on_message)
-        self.image_ready = False
 
     def _on_message(self, bus, message):
         ''' We get a message if a pixbuf is available '''
@@ -47,11 +46,11 @@ class Camera():
             # debug_output(message.structure.get_name(), True)
             if message.structure.get_name() == 'pixbuf':
                 self.pixbuf = message.structure['pixbuf']
-                self.bus.remove_signal_watch()
                 self.image_ready = True
 
     def start_camera_input(self):
         ''' Start grabbing '''
+        self.image_ready = False
         self.pipe.set_state(gst.STATE_PLAYING)
         while not self.image_ready:
             self.bus.poll(gst.MESSAGE_ANY, -1)
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