Execute the following as root on a raspberry pi:

cat << EOF > /etc/apt/sources.list.d/zix25.list
deb http://lola.z25.org/~arnaud/debian zix25/
EOF

cat << EOF > /etc/apt/sources.list.d/jessie.list
deb http://mirrordirector.raspbian.org/raspbian/ jessie main contrib non-free rpi
deb http://archive.raspbian.org/raspbian jessie main contrib non-free rpi
deb-src http://archive.raspbian.org/raspbian jessie main contrib non-free rpi
EOF

cat << EOF > /etc/apt/preferences
Package: *
Pin: release n=wheezy
Pin-Priority: 900

Package: *
Pin: release n=jessie
Pin-Priority: 300

Package: *
Pin: release o=Raspbian
Pin-Priority: -10
EOF

apt-get update
apt-get remove -y gstreamer1.0-x gstreamer1.0-plugins-good gstreamer1.0-plugins-base gstreamer1.0-plugins-bad gstreamer1.0-omx gstreamer1.0-libav gstreamer1.0-alsa libgstreamer-plugins-base1.0-0 libgstreamer1.0-0
apt-get install gstreamer1.0-plugins-bad/zix25 \
    gstreamer1.0-plugins-good/zix25 \
    gstreamer1.0-tools/zix25 \
    python3-gst-1.0/zix25 \
    gir1.2-gstreamer-1.0/zix25 \
    gir1.2-gst-plugins-base-1.0/zix25 \
    libgstreamer-plugins-base1.0-0/zix25 \
    libgstreamer1.0-0/zix25 \
    libgstreamer-plugins-bad1.0-0/zix25 \
    libvpx1/jessie gst-rpicamsrc/zix25 \
    libzmq3/zix25 libzmq3-dev/zix25 python3-pip \
    gstreamer1.0-omx/zix25

pip-3.2 install pyzmq
pip-3.2 install ipaddress
pip-3.2 install https://github.com/zeromq/pyre/archive/master.zip
pip-3.2 install https://github.com/z25/pyZOCP/archive/master.zip

Finally with a pi cam attached run:

python3 rpi_sender.py

Just make sure OF_ROOT in config.make is pointing to the openFrameworks directory

Also make sure OF is using Gstreamer1.0 not 0.10.
Debian:

sudo apt-get remove libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev

sudo apt-get install libgstreamer-plugins-base1.0-dev libgstreamer1.0-dev