Only released in EOL distros:  

image_transport_plugins: compressed_depth_image_transport | compressed_image_transport | libtheora | theora_image_transport

Package Summary

Open source video codec for streaming video over the network. This package will eventually be replaced with a rosdep. It is currently needed due to a problem with Ubuntu's libtheora-dev up through Jaunty, see: https://bugs.launchpad.net/ubuntu/+source/libtheora/+bug/347235