Cloning this repository:

git clone git://gitorious.org/~eborges/ffmpeg/eborgess-ffmpeg-mt.git eborgess-ffmpeg-mt
cd eborgess-ffmpeg-mt

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

git remote add eborgess-ffmpeg-mt git://gitorious.org/~eborges/ffmpeg/eborgess-ffmpeg-mt.git
git fetch eborgess-ffmpeg-mt
git checkout -b my-local-tracking-branch eborgess-ffmpeg-mt/master_or_other_branch