[pitivi] ExportSettings: add a method to get the current DAR

[Edward Hervey <edwardrv src gnome org>]

commit d0b4f085d29fd89a7277a0e0d11afe997c30252d
Author: Brandon Lewis <brandon_lewis alum berkeley edu>
Date:   Fri Nov 19 19:20:15 2010 +0000

    ExportSettings: add a method to get the current DAR

 pitivi/settings.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/pitivi/settings.py b/pitivi/settings.py
index f1731ad..67e430a 100644
--- a/pitivi/settings.py
+++ b/pitivi/settings.py
@@ -494,6 +494,9 @@ class ExportSettings(Signallable, Loggable):
         ret.vcodecsettings = dict(self.vcodecsettings)
         return ret
 
+    def getDAR(self):
+        return gst.Fraction(self.videowidth, self.videoheight) * self.videopar
+
     def __str__(self):
         msg = _("Export Settings\n")
         msg += _("Video: ") + str(self.videowidth) + " " + str(self.videoheight) +\