Fix Freeseer#444 Separate recording logic from the concept of a talk/…

…presentation

- Add filename parameter to load_backend function in RecordingController.py

- Change load_backend function in record.py to use default filename instead
of creating a default presentation

src/freeseer/frontend/record/RecordingController.py

@@ -53,9 +53,9 @@ def pause(self):
         """Pause Recording"""
         self.media.pause()
 
-    def load_backend(self, presentation=None):
+    def load_backend(self, presentation=None, filename=None):
         """Prepares the backend for recording"""
-        initialized, filename_for_frontend = self.media.load_backend(presentation)
+        initialized, filename_for_frontend = self.media.load_backend(presentation, filename)
         if initialized:
             return True, filename_for_frontend
         else:

src/freeseer/frontend/record/record.py

@@ -35,7 +35,7 @@
 except AttributeError:
     _fromUtf8 = lambda s: s
 
-from freeseer.framework.presentation import Presentation
+#from freeseer.framework.presentation import Presentation
 from freeseer.framework.failure import Failure
 from freeseer.framework.util import get_free_space
 from freeseer.frontend.qtcommon.FreeseerApp import FreeseerApp
@@ -412,12 +412,13 @@ def load_backend(self):
         if self.current_presentation():
             presentation = self.current_presentation()
 
-        # If current presentation is no existant (empty talk database)
-        # use a default recording name.
+        # If current presentation is non-existent (empty talk database)
+        # use a temporary filename for recording straight to file.
         else:
-            presentation = Presentation(title=unicode("default"))
+            presentation = None
+            filename = 'temp'
 
-        initialized, self.recently_recorded_video = self.controller.load_backend(presentation)
+        initialized, self.recently_recorded_video = self.controller.load_backend(presentation, filename)
         if initialized:
             return True
         else: