Fixed autofocus issue when using preview

photobooth/Photobooth.py

@@ -184,8 +184,11 @@ class Photobooth:
     def captureSinglePicture(self):
 
         self.showCounter()
+        self.setCameraIdle()
         self.showPose()
-        return self._cap.getPicture()
+        picture = self._cap.getPicture()
+        self.setCameraActive()
+        return picture
 
 
     def capturePictures(self):
@@ -216,8 +219,8 @@ class Photobooth:
 
         self._conn.send(gui.GreeterState())
         self.triggerOff()
-        self.setCameraActive()
 
+        self.setCameraActive()
         self.recvAck()
 
         pics = self.capturePictures()
@@ -229,7 +232,6 @@ class Photobooth:
         self.enqueueWorkerTasks(img)
 
         self.setCameraIdle()
-
         self.recvAck()
 
         self._conn.send(gui.IdleState())

photobooth/camera/CameraGphoto2.py

@@ -47,14 +47,15 @@ class CameraGphoto2(Camera):
         logging.info('Camera summary: %s', str(self._cap.get_summary(self._ctxt)))
 
         # get configuration tree
-        self._config = self._cap.get_config()
-        self._oldconfig = self._config
+        # self._config = self._cap.get_config()
+        # self._oldconfig = self._config
+        config = self._cap.get_config()
 
         # make sure camera format is not set to raw
-        if 'raw' in self._config.get_child_by_name('imageformat').get_value().lower():
+        if 'raw' in config.get_child_by_name('imageformat').get_value().lower():
             raise RuntimeError('Camera file format is set to RAW')
 
-        self._printConfig(self._config)
+        self._printConfig(config)
 
 
     @staticmethod
@@ -95,14 +96,18 @@ class CameraGphoto2(Camera):
 
     def setActive(self):
 
-        self._config.get_child_by_name('viewfinder').set_value(True)
-        self._cap.set_config(self._config)
+        config = self._cap.get_config()
+        # self._config.get_child_by_name('viewfinder').set_value(True)
+        config.get_child_by_name('output').set_value('PC')
+        self._cap.set_config(config)
 
 
     def setIdle(self):
 
-        self._config.get_child_by_name('viewfinder').set_value(False)
-        self._cap.set_config(self._config)
+        config = self._cap.get_config()
+        # self._config.get_child_by_name('viewfinder').set_value(False)
+        config.get_child_by_name('output').set_value('Off')
+        self._cap.set_config(config)
 
 
     def getPreview(self):

photobooth/camera/CameraGphoto2Cffi.py

@@ -63,11 +63,13 @@ class CameraGphoto2Cffi(Camera):
     def setActive(self):
 
         self._cap._get_config()['actions']['viewfinder'].set(True)
+        self._cap._get_config()['settings']['output'].set('PC')
 
 
     def setIdle(self):
 
         self._cap._get_config()['actions']['viewfinder'].set(False)
+        self._cap._get_config()['settings']['output'].set('Off')
 
 
     def getPreview(self):

photobooth/main.py

@@ -134,7 +134,7 @@ def run(argv):
     gui_proc.join()
     worker_queue.put('teardown')
     worker_proc.join()
-    camera_proc.join(5)
+    camera_proc.join(1)
     return gui_proc.exitcode