As it is written on the homepage of the project (
http://www.pitivi.org/wiki/0.11.1) dependencies are:
Code:
Requirements:
* gstreamer >= 0.10.14
* gst-python >= 0.10.6
* gnonlin >= 0.10.9
* pygtk >= 2.8.0
* zope-interface
* python setuptools
gnonlin must be installed from source. Try google to find it.