[pitivi] Discoverer: fix Picture detection. If we get a duration it's not a static picture.

[Edward Hervey <edwardrv src gnome org>]

commit d0ca07b1acea8af106fa103d3e9550cd077e2ec2
Author: Edward Hervey <bilboed bilboed com>
Date:   Wed Jun 24 15:49:51 2009 +0200

    Discoverer: fix Picture detection. If we get a duration it's not a static picture.

 pitivi/discoverer.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/pitivi/discoverer.py b/pitivi/discoverer.py
index 3b07b80..ccfcf2b 100644
--- a/pitivi/discoverer.py
+++ b/pitivi/discoverer.py
@@ -213,7 +213,7 @@ class Discoverer(Signallable, Loggable):
             return True
 
         # construct the factory with the streams we found
-        if have_image:
+        if have_image and self.current_duration == gst.CLOCK_TIME_NONE:
             factory = PictureFileSourceFactory(self.current_uri)
         else:
             factory = FileSourceFactory(self.current_uri)