Cloning this repository:

git clone git://gitorious.org/~dcthang/maemo-multimedia/dcthangs-gstreamer.git dcthangs-gstreamer
cd dcthangs-gstreamer

Add this repository as a remote to an existing local repository:

git remote add dcthangs-gstreamer git://gitorious.org/~dcthang/maemo-multimedia/dcthangs-gstreamer.git
git fetch dcthangs-gstreamer
git checkout -b my-local-tracking-branch dcthangs-gstreamer/master_or_other_branch