apt-get remove camera apt-get install gstreamer0.10-plugins-base-extra cp /usr/lib/gstreamer-0.10/libgstaudiotestsrc.so . apt-get remove gstreamer0.10-plugins-base-extra apt-get install camera cp libgstaudiotestsrc.so /usr/lib/gstreamer-0.10/libgstaudiotestsrc.so