[pitivi] Add pulseaudio 'role' tagging

[Edward Hervey <edwardrv src gnome org>]

commit 71b62df165564097d6b32cc9140a11a8d6cc8ec3
Author: Greg Auger <gregory auger googlemail com>
Date:   Wed Jan 20 17:46:29 2010 +0100

    Add pulseaudio 'role' tagging

 pitivi/ui/mainwindow.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/pitivi/ui/mainwindow.py b/pitivi/ui/mainwindow.py
index 02de0e0..86ea89e 100644
--- a/pitivi/ui/mainwindow.py
+++ b/pitivi/ui/mainwindow.py
@@ -437,6 +437,9 @@ class PitiviMainWindow(gtk.Window, Loggable):
         #application icon
         self.set_icon_name("pitivi")
 
+        #pulseaudio 'role' (http://0pointer.de/blog/projects/tagging-audio.htm
+        os.environ["PULSE_PROP_media.role"] = "production"
+
     def _connectToSourceList(self):
         # FIXME: projecttabs creates the "components" but then has no API to get
         # them back