diff -r 000000000000 -r fd39db613f8b src/pyams_media/ffexception.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_media/ffexception.py	Wed Sep 02 15:31:55 2015 +0200
@@ -0,0 +1,8 @@
+
+class FFException(Exception):
+
+    def __init__(self, value):
+        self.value = value
+
+    def __str__(self):
+        return repr(self.value)